Lukić, Silvana

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  • Lukić, Silvana (10)
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Author's Bibliography

TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC

Petrović, Nina; Sami, Ahmad; Martinović, Jelena; Zarić, Marina; Nakashidze, Irina; Lukić, Silvana; Jovanović-Ćupić, Snežana P.

(2017)

TY  - JOUR
AU  - Petrović, Nina
AU  - Sami, Ahmad
AU  - Martinović, Jelena
AU  - Zarić, Marina
AU  - Nakashidze, Irina
AU  - Lukić, Silvana
AU  - Jovanović-Ćupić, Snežana P.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1805
AB  - Background: Breast carcinomas (BC) belong to a heterogeneous group of malignant diseases. Correct categorization of BC based on molecular biomarkers has a very important role in deciding the proper course of therapy for each patient. It has been already shown that the decrease of TIMP metalloproteinase inhibitor 3 (TIMP-3) together with overexpression of microRNA-21 (miR-21) might be involved in the process of BC invasion. This is the first study that examined relationship among miR-21, TIMP-3 mRNA and TIPM-3 protein levels in BC groups formed according to invasiveness. Methods: In this study, we used 46 breast cancer samples. Estrogen and progesterone receptor (ER, PR) protein levels were evaluated by immunohistochemistry (IHC) method. TIMP-3 mRNA expression was examined by two-step real-time quantitative PCR (qRT-PCR). Western blot analysis was performed for 16 samples. Results: Statistically significant differences in TIMP-3 expression levels between invasive groups were discovered in ER positive (ER+) (p = 0.015), Her-2 negative (p = 0.026) subgroups, and patients without lymph-node metastasis (p = 0.039). Interestingly, significant positive correlation was detected between miR-21 and TIMP-3 mRNA levels (P LT 0.001, p = 0.949) in the group of in situ tumors. TIMP-3 mRNA expression levels highly negatively correlated with levels of miR-21 in PR + invasive BCs (p = 0.007, p = -0.641). TIMP-3 protein levels negatively correlated with miR-21 levels in pure invasive BCs. Conclusion: These data suggest that signaling pathways involved in formation and progression of BCs in groups formed according to invasiveness might be different. Our findings propose that TIMP-3 mRNA expression levels could be significant prognostic parameter, but within specific BC subtypes.
T2  - Pathology Research and Practice
T1  - TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC
VL  - 213
IS  - 10
SP  - 1264
EP  - 1270
DO  - 10.1016/j.prp.2017.08.012
ER  - 
@article{
author = "Petrović, Nina and Sami, Ahmad and Martinović, Jelena and Zarić, Marina and Nakashidze, Irina and Lukić, Silvana and Jovanović-Ćupić, Snežana P.",
year = "2017",
abstract = "Background: Breast carcinomas (BC) belong to a heterogeneous group of malignant diseases. Correct categorization of BC based on molecular biomarkers has a very important role in deciding the proper course of therapy for each patient. It has been already shown that the decrease of TIMP metalloproteinase inhibitor 3 (TIMP-3) together with overexpression of microRNA-21 (miR-21) might be involved in the process of BC invasion. This is the first study that examined relationship among miR-21, TIMP-3 mRNA and TIPM-3 protein levels in BC groups formed according to invasiveness. Methods: In this study, we used 46 breast cancer samples. Estrogen and progesterone receptor (ER, PR) protein levels were evaluated by immunohistochemistry (IHC) method. TIMP-3 mRNA expression was examined by two-step real-time quantitative PCR (qRT-PCR). Western blot analysis was performed for 16 samples. Results: Statistically significant differences in TIMP-3 expression levels between invasive groups were discovered in ER positive (ER+) (p = 0.015), Her-2 negative (p = 0.026) subgroups, and patients without lymph-node metastasis (p = 0.039). Interestingly, significant positive correlation was detected between miR-21 and TIMP-3 mRNA levels (P LT 0.001, p = 0.949) in the group of in situ tumors. TIMP-3 mRNA expression levels highly negatively correlated with levels of miR-21 in PR + invasive BCs (p = 0.007, p = -0.641). TIMP-3 protein levels negatively correlated with miR-21 levels in pure invasive BCs. Conclusion: These data suggest that signaling pathways involved in formation and progression of BCs in groups formed according to invasiveness might be different. Our findings propose that TIMP-3 mRNA expression levels could be significant prognostic parameter, but within specific BC subtypes.",
journal = "Pathology Research and Practice",
title = "TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC",
volume = "213",
number = "10",
pages = "1264-1270",
doi = "10.1016/j.prp.2017.08.012"
}
Petrović, N., Sami, A., Martinović, J., Zarić, M., Nakashidze, I., Lukić, S.,& Jovanović-Ćupić, S. P.. (2017). TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC. in Pathology Research and Practice, 213(10), 1264-1270.
https://doi.org/10.1016/j.prp.2017.08.012
Petrović N, Sami A, Martinović J, Zarić M, Nakashidze I, Lukić S, Jovanović-Ćupić SP. TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC. in Pathology Research and Practice. 2017;213(10):1264-1270.
doi:10.1016/j.prp.2017.08.012 .
Petrović, Nina, Sami, Ahmad, Martinović, Jelena, Zarić, Marina, Nakashidze, Irina, Lukić, Silvana, Jovanović-Ćupić, Snežana P., "TIMP-3 mRNA expression levels positively correlates with levels of miR-21 in in situ BC and negatively in PR positive invasive BC" in Pathology Research and Practice, 213, no. 10 (2017):1264-1270,
https://doi.org/10.1016/j.prp.2017.08.012 . .
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miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis

Petrović, Nina; Kolaković, Ana; Stanković, Aleksandra; Lukić, Silvana; Sami, Ahmad; Živković, Maja; Mandušić, Vesna

(2016)

TY  - JOUR
AU  - Petrović, Nina
AU  - Kolaković, Ana
AU  - Stanković, Aleksandra
AU  - Lukić, Silvana
AU  - Sami, Ahmad
AU  - Živković, Maja
AU  - Mandušić, Vesna
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1023
AB  - BACKGROUND: Breast carcinoma is heterogeneous disease. Understanding the process of invasion and metastasis and the selection of the therapy for patients with breast carcinomas still remains difficult. MicroRNAs are powerful gene expression regulators. Because of inconsistent findings, we have analyzed potential difference in miR-155 levels in three breast cancer groups. OBJECTIVES: Our goals were to examine miR-155 expression levels in normal tissue, non-invasive and invasive breast carcinomas, and their association with standard clinical and pathological parameters and oncomiR-21, and to investigate the ability of miR-155 to separate invasive breast carcinomas with non-invasive component from pure invasive. METHODS: In the group of 40 breast tissue samples, relative expression levels of miR-155 were examined with stem-loop quantitative real-time PCR using TaqMan technology. RESULTS: The significant difference among four examined groups of the breast tissue was detected (p = 0.001). In the group of pure invasive tumors, patients with positive nodal status had significantly higher miR-155 levels (p = 0.046). CONCLUSION: Our results suggest that miR-155 might be involved in breast cancer pathogenesis and in tumor spreading to the lymph nodes, and that it might be used as biomarker for additional stratification of patients with invasive breast carcinomas with non-invasive component.
T2  - Cancer Biomarkers
T1  - miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis
VL  - 16
IS  - 3
SP  - 385
EP  - 394
DO  - 10.3233/CBM-160577
ER  - 
@article{
author = "Petrović, Nina and Kolaković, Ana and Stanković, Aleksandra and Lukić, Silvana and Sami, Ahmad and Živković, Maja and Mandušić, Vesna",
year = "2016",
abstract = "BACKGROUND: Breast carcinoma is heterogeneous disease. Understanding the process of invasion and metastasis and the selection of the therapy for patients with breast carcinomas still remains difficult. MicroRNAs are powerful gene expression regulators. Because of inconsistent findings, we have analyzed potential difference in miR-155 levels in three breast cancer groups. OBJECTIVES: Our goals were to examine miR-155 expression levels in normal tissue, non-invasive and invasive breast carcinomas, and their association with standard clinical and pathological parameters and oncomiR-21, and to investigate the ability of miR-155 to separate invasive breast carcinomas with non-invasive component from pure invasive. METHODS: In the group of 40 breast tissue samples, relative expression levels of miR-155 were examined with stem-loop quantitative real-time PCR using TaqMan technology. RESULTS: The significant difference among four examined groups of the breast tissue was detected (p = 0.001). In the group of pure invasive tumors, patients with positive nodal status had significantly higher miR-155 levels (p = 0.046). CONCLUSION: Our results suggest that miR-155 might be involved in breast cancer pathogenesis and in tumor spreading to the lymph nodes, and that it might be used as biomarker for additional stratification of patients with invasive breast carcinomas with non-invasive component.",
journal = "Cancer Biomarkers",
title = "miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis",
volume = "16",
number = "3",
pages = "385-394",
doi = "10.3233/CBM-160577"
}
Petrović, N., Kolaković, A., Stanković, A., Lukić, S., Sami, A., Živković, M.,& Mandušić, V.. (2016). miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis. in Cancer Biomarkers, 16(3), 385-394.
https://doi.org/10.3233/CBM-160577
Petrović N, Kolaković A, Stanković A, Lukić S, Sami A, Živković M, Mandušić V. miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis. in Cancer Biomarkers. 2016;16(3):385-394.
doi:10.3233/CBM-160577 .
Petrović, Nina, Kolaković, Ana, Stanković, Aleksandra, Lukić, Silvana, Sami, Ahmad, Živković, Maja, Mandušić, Vesna, "miR-155 expression level changes might be associated with initial phases of breast cancer pathogenesis and lymph-node metastasis" in Cancer Biomarkers, 16, no. 3 (2016):385-394,
https://doi.org/10.3233/CBM-160577 . .
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Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue

Ivanović, Vesna; Dedović-Tanić, Nasta; Milovanović, Zorka M.; Lukić, Silvana; Nikolić, Srđan; Baltić, Vladimir; Stojiljković, Bratislav; Demajo, Miroslav; Mandušić, Vesna; Dimitrijević, Bogomir B.

(2016)

TY  - JOUR
AU  - Ivanović, Vesna
AU  - Dedović-Tanić, Nasta
AU  - Milovanović, Zorka M.
AU  - Lukić, Silvana
AU  - Nikolić, Srđan
AU  - Baltić, Vladimir
AU  - Stojiljković, Bratislav
AU  - Demajo, Miroslav
AU  - Mandušić, Vesna
AU  - Dimitrijević, Bogomir B.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1327
AB  - We present herein a case report style article on a rare advanced triple-negative breast cancer (TNBC) patient with 6-month disease-free interval, and 10-month overall survival. Our results demonstrate that the poor clinical outcome of this patient was associated with pronounced, more than fivefold higher, overexpression of both cFOS and TGF-beta 1 proteins in its metastatic nodal tissue extracts, when compared with the values of the two non-TNBC controls (with zero disease-free interval and overall survival). This original observation suggests, for the first time, that both the cFOS and TGF-beta 1 may be considered as a pair of biomarkers for an early assessment of poor prognosis for TNBC patients. The possible clinical implication of this observation is discussed.
T2  - Personalized Medicine
T1  - Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue
VL  - 13
IS  - 6
SP  - 523
EP  - 530
DO  - 10.2217/pme-2016-0032
ER  - 
@article{
author = "Ivanović, Vesna and Dedović-Tanić, Nasta and Milovanović, Zorka M. and Lukić, Silvana and Nikolić, Srđan and Baltić, Vladimir and Stojiljković, Bratislav and Demajo, Miroslav and Mandušić, Vesna and Dimitrijević, Bogomir B.",
year = "2016",
abstract = "We present herein a case report style article on a rare advanced triple-negative breast cancer (TNBC) patient with 6-month disease-free interval, and 10-month overall survival. Our results demonstrate that the poor clinical outcome of this patient was associated with pronounced, more than fivefold higher, overexpression of both cFOS and TGF-beta 1 proteins in its metastatic nodal tissue extracts, when compared with the values of the two non-TNBC controls (with zero disease-free interval and overall survival). This original observation suggests, for the first time, that both the cFOS and TGF-beta 1 may be considered as a pair of biomarkers for an early assessment of poor prognosis for TNBC patients. The possible clinical implication of this observation is discussed.",
journal = "Personalized Medicine",
title = "Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue",
volume = "13",
number = "6",
pages = "523-530",
doi = "10.2217/pme-2016-0032"
}
Ivanović, V., Dedović-Tanić, N., Milovanović, Z. M., Lukić, S., Nikolić, S., Baltić, V., Stojiljković, B., Demajo, M., Mandušić, V.,& Dimitrijević, B. B.. (2016). Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue. in Personalized Medicine, 13(6), 523-530.
https://doi.org/10.2217/pme-2016-0032
Ivanović V, Dedović-Tanić N, Milovanović ZM, Lukić S, Nikolić S, Baltić V, Stojiljković B, Demajo M, Mandušić V, Dimitrijević BB. Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue. in Personalized Medicine. 2016;13(6):523-530.
doi:10.2217/pme-2016-0032 .
Ivanović, Vesna, Dedović-Tanić, Nasta, Milovanović, Zorka M., Lukić, Silvana, Nikolić, Srđan, Baltić, Vladimir, Stojiljković, Bratislav, Demajo, Miroslav, Mandušić, Vesna, Dimitrijević, Bogomir B., "Case with triple-negative breast cancer shows overexpression of both cFOS and TGF-beta 1 in node-positive tissue" in Personalized Medicine, 13, no. 6 (2016):523-530,
https://doi.org/10.2217/pme-2016-0032 . .
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Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels

Petrović, Nina; Davidović, Radoslav S.; Jovanović-Ćupić, Snežana P.; Krajnović, Milena M.; Lukić, Silvana; Petrović, Milan; Roganović, Jelena

(2016)

TY  - JOUR
AU  - Petrović, Nina
AU  - Davidović, Radoslav S.
AU  - Jovanović-Ćupić, Snežana P.
AU  - Krajnović, Milena M.
AU  - Lukić, Silvana
AU  - Petrović, Milan
AU  - Roganović, Jelena
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1308
AB  - Breast cancer (BC) is a heterogeneous group of diseases that still represents a major cause of death in the female population. MicroRNAs (miRNAs, miRs), such as miR-221 and miR-222, have been shown to be involved in BC pathology by acting via its target genes such as tissue inhibitor of metalloproteinase 3 (TIMP3). The main goals of this study were to find differences in miR-221/222 levels of expression in BC groups based on invasiveness, and to investigate the association with estrogen receptor (ER), TIMP3 messenger RNA (mRNA) levels, and clinicopathological characteristics of patients and tumors. In this study, we measured levels of miR-221/222 in 63 breast tissue samples by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) using TaqMan(A (R)) technology and immunohistochemistry. miR-221/222 levels varied significantly across groups based on invasiveness (P LT 0.001). In in situ tumors, miR-221 and miR-222 were negatively associated with ER (P = 0.001, r = -0.714, and P = 0.013, r = -0.585, respectively). In invasive breast carcinomas associated with non-invasive tumors, miR-222 was inversely associated with ER (P = 0.039, r = -0.620). Pure invasive BCs showed a positive correlation of miR-221 and miR-222 with TIMP3 mRNA levels (P = 0.008, r = 0.508, and P = 0.010, r = 0.497, respectively). An increase in miR-221/222 might be an important event for in situ carcinoma formation, and miR-221/222 may be important molecules that highlight potential differences between invasive breast carcinomas associated with non-invasive and pure invasive BCs.
T2  - Molecular Diagnosis and Therapy
T1  - Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels
VL  - 20
IS  - 6
SP  - 603
EP  - 615
DO  - 10.1007/s40291-016-0230-3
ER  - 
@article{
author = "Petrović, Nina and Davidović, Radoslav S. and Jovanović-Ćupić, Snežana P. and Krajnović, Milena M. and Lukić, Silvana and Petrović, Milan and Roganović, Jelena",
year = "2016",
abstract = "Breast cancer (BC) is a heterogeneous group of diseases that still represents a major cause of death in the female population. MicroRNAs (miRNAs, miRs), such as miR-221 and miR-222, have been shown to be involved in BC pathology by acting via its target genes such as tissue inhibitor of metalloproteinase 3 (TIMP3). The main goals of this study were to find differences in miR-221/222 levels of expression in BC groups based on invasiveness, and to investigate the association with estrogen receptor (ER), TIMP3 messenger RNA (mRNA) levels, and clinicopathological characteristics of patients and tumors. In this study, we measured levels of miR-221/222 in 63 breast tissue samples by quantitative reverse transcription-polymerase chain reaction (qRT-PCR) using TaqMan(A (R)) technology and immunohistochemistry. miR-221/222 levels varied significantly across groups based on invasiveness (P LT 0.001). In in situ tumors, miR-221 and miR-222 were negatively associated with ER (P = 0.001, r = -0.714, and P = 0.013, r = -0.585, respectively). In invasive breast carcinomas associated with non-invasive tumors, miR-222 was inversely associated with ER (P = 0.039, r = -0.620). Pure invasive BCs showed a positive correlation of miR-221 and miR-222 with TIMP3 mRNA levels (P = 0.008, r = 0.508, and P = 0.010, r = 0.497, respectively). An increase in miR-221/222 might be an important event for in situ carcinoma formation, and miR-221/222 may be important molecules that highlight potential differences between invasive breast carcinomas associated with non-invasive and pure invasive BCs.",
journal = "Molecular Diagnosis and Therapy",
title = "Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels",
volume = "20",
number = "6",
pages = "603-615",
doi = "10.1007/s40291-016-0230-3"
}
Petrović, N., Davidović, R. S., Jovanović-Ćupić, S. P., Krajnović, M. M., Lukić, S., Petrović, M.,& Roganović, J.. (2016). Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels. in Molecular Diagnosis and Therapy, 20(6), 603-615.
https://doi.org/10.1007/s40291-016-0230-3
Petrović N, Davidović RS, Jovanović-Ćupić SP, Krajnović MM, Lukić S, Petrović M, Roganović J. Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels. in Molecular Diagnosis and Therapy. 2016;20(6):603-615.
doi:10.1007/s40291-016-0230-3 .
Petrović, Nina, Davidović, Radoslav S., Jovanović-Ćupić, Snežana P., Krajnović, Milena M., Lukić, Silvana, Petrović, Milan, Roganović, Jelena, "Changes in miR-221/222 Levels in Invasive and In Situ Carcinomas of the Breast: Differences in Association with Estrogen Receptor and TIMP3 Expression Levels" in Molecular Diagnosis and Therapy, 20, no. 6 (2016):603-615,
https://doi.org/10.1007/s40291-016-0230-3 . .
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Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component

Petrović, Nina; Jovanović-Ćupić, Snežana P.; Brajušković, Goran; Lukić, Silvana; Roganović, Jelena; Krajnović, Milena M.; Mandušić, Vesna

(2015)

TY  - JOUR
AU  - Petrović, Nina
AU  - Jovanović-Ćupić, Snežana P.
AU  - Brajušković, Goran
AU  - Lukić, Silvana
AU  - Roganović, Jelena
AU  - Krajnović, Milena M.
AU  - Mandušić, Vesna
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/862
AB  - Invasive ductal carcinomas with a non-invasive component (IDC-DCIS) are classified as a group of invasive breast carcinomas, together with pure invasive ductal carcinomas of the breast (IDC). MicroRNA-21 (miR-21) has been characterized as a factor of breast cancer invasiveness, however the difference in miR-21 expression levels between IDC-DCIS and pure IDC tumors and the correlations with standard diagnostic and prognostic parameters inside the IDC-DCIS group are unknown. Our aim was to determine if miR-21 had the ability to distinguish these two invasive breast cancer groups. Levels of miR-21 expression were measured by a stem-loop quantitative Real-Time PCR (RT-qPCR) method. Expression levels of estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (Her-2) and proliferative index Ki-67 were evaluated by immunohistochemistry. IDC-DCIS tumors had significantly lower levels of miR-21 expression in grade 2 (P=0.003, Mann-Whitney U test), ER positive (P=0.025, Mann-Whitney U test) and PR positive tumors (P=0.024, Mann-Whitney U test) than pure IDCs. miR-21 levels showed a different pattern of expression in IDC-DCIS compared to IDC tumors, which is based on the difference in miR-21 expression between Her-2 negative and Her-2 positive IDC-DCIS tumors (P=0.030, Mann-Whitney U test) and high negative correlation of miR-21 levels with PR levels (rho=-0.886, P=0.006, Spearman correlation). According to our results, IDC-DCIS breast carcinomas act in a different manner in pure IDC tumors with regard to the relations between miR-21 expression levels and the standard diagnostic and prognostic parameters, such as Her-2 status, ER and PR status and protein levels.
T2  - Archives of Biological Sciences
T1  - Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component
VL  - 67
IS  - 4
SP  - 1285
EP  - 1295
DO  - 10.2298/ABS150327105P
ER  - 
@article{
author = "Petrović, Nina and Jovanović-Ćupić, Snežana P. and Brajušković, Goran and Lukić, Silvana and Roganović, Jelena and Krajnović, Milena M. and Mandušić, Vesna",
year = "2015",
abstract = "Invasive ductal carcinomas with a non-invasive component (IDC-DCIS) are classified as a group of invasive breast carcinomas, together with pure invasive ductal carcinomas of the breast (IDC). MicroRNA-21 (miR-21) has been characterized as a factor of breast cancer invasiveness, however the difference in miR-21 expression levels between IDC-DCIS and pure IDC tumors and the correlations with standard diagnostic and prognostic parameters inside the IDC-DCIS group are unknown. Our aim was to determine if miR-21 had the ability to distinguish these two invasive breast cancer groups. Levels of miR-21 expression were measured by a stem-loop quantitative Real-Time PCR (RT-qPCR) method. Expression levels of estrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (Her-2) and proliferative index Ki-67 were evaluated by immunohistochemistry. IDC-DCIS tumors had significantly lower levels of miR-21 expression in grade 2 (P=0.003, Mann-Whitney U test), ER positive (P=0.025, Mann-Whitney U test) and PR positive tumors (P=0.024, Mann-Whitney U test) than pure IDCs. miR-21 levels showed a different pattern of expression in IDC-DCIS compared to IDC tumors, which is based on the difference in miR-21 expression between Her-2 negative and Her-2 positive IDC-DCIS tumors (P=0.030, Mann-Whitney U test) and high negative correlation of miR-21 levels with PR levels (rho=-0.886, P=0.006, Spearman correlation). According to our results, IDC-DCIS breast carcinomas act in a different manner in pure IDC tumors with regard to the relations between miR-21 expression levels and the standard diagnostic and prognostic parameters, such as Her-2 status, ER and PR status and protein levels.",
journal = "Archives of Biological Sciences",
title = "Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component",
volume = "67",
number = "4",
pages = "1285-1295",
doi = "10.2298/ABS150327105P"
}
Petrović, N., Jovanović-Ćupić, S. P., Brajušković, G., Lukić, S., Roganović, J., Krajnović, M. M.,& Mandušić, V.. (2015). Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component. in Archives of Biological Sciences, 67(4), 1285-1295.
https://doi.org/10.2298/ABS150327105P
Petrović N, Jovanović-Ćupić SP, Brajušković G, Lukić S, Roganović J, Krajnović MM, Mandušić V. Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component. in Archives of Biological Sciences. 2015;67(4):1285-1295.
doi:10.2298/ABS150327105P .
Petrović, Nina, Jovanović-Ćupić, Snežana P., Brajušković, Goran, Lukić, Silvana, Roganović, Jelena, Krajnović, Milena M., Mandušić, Vesna, "Micro Rna-21 Expression Levels in Invasive Breast Carcinoma with a Non-Invasive Component" in Archives of Biological Sciences, 67, no. 4 (2015):1285-1295,
https://doi.org/10.2298/ABS150327105P . .
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The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion

Petrović, Nina; Mandušić, Vesna; Stanojević, Boban; Lukić, Silvana; Todorović, Lidija; Roganović, Jelena; Dimitrijević, Bogomir B.

(2014)

TY  - JOUR
AU  - Petrović, Nina
AU  - Mandušić, Vesna
AU  - Stanojević, Boban
AU  - Lukić, Silvana
AU  - Todorović, Lidija
AU  - Roganović, Jelena
AU  - Dimitrijević, Bogomir B.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6041
AB  - MicroRNA-21 (miR-21) overexpression is characteristic for various types of tumors, but it is still unknown whether its expression levels differ between invasive and non-invasive breast carcinomas. The main goal of the study was to determine the difference in miR-21 expression among normal tissue, non-invasive, invasive with non-invasive component, and pure invasive breast cancer samples, to explain its potential role and significance in breast cancer invasiveness. The second goal was to propose miR-21 as molecular marker of breast cancer invasiveness and potential target for future anti-miR therapies for the prevention of invasion and metastasis. In order to reveal the role of miR-21 in breast cancer invasiveness, we measured miR-21 expression levels in 44 breast cancer and four normal samples by stem-loop real-time RT-PCR using TaqMan technology. Relative expression levels of miR-21 were significantly higher in invasive than in other groups (P = 0.002) and significantly higher in invasive compared with invasive with non-invasive component group in histological (P = 0.043) and nuclear grade 2 (P = 0.036), estrogen-receptor-positive (ER+) (P = 0.006), progesterone-receptor-positive (PR+) (P = 0.008), ER+ PR+ (P = 0.007), and proliferation index (Ki-67) LT = 20 % (P = 0.036) tumors. Our findings suggest that miR-21 could be independent molecular marker of breast cancer invasiveness and potential target for future anti-miR therapies for the prevention of invasion and metastasis.
T2  - Medical Oncology
T1  - The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion
VL  - 31
IS  - 3
DO  - 10.1007/s12032-014-0867-x
ER  - 
@article{
author = "Petrović, Nina and Mandušić, Vesna and Stanojević, Boban and Lukić, Silvana and Todorović, Lidija and Roganović, Jelena and Dimitrijević, Bogomir B.",
year = "2014",
abstract = "MicroRNA-21 (miR-21) overexpression is characteristic for various types of tumors, but it is still unknown whether its expression levels differ between invasive and non-invasive breast carcinomas. The main goal of the study was to determine the difference in miR-21 expression among normal tissue, non-invasive, invasive with non-invasive component, and pure invasive breast cancer samples, to explain its potential role and significance in breast cancer invasiveness. The second goal was to propose miR-21 as molecular marker of breast cancer invasiveness and potential target for future anti-miR therapies for the prevention of invasion and metastasis. In order to reveal the role of miR-21 in breast cancer invasiveness, we measured miR-21 expression levels in 44 breast cancer and four normal samples by stem-loop real-time RT-PCR using TaqMan technology. Relative expression levels of miR-21 were significantly higher in invasive than in other groups (P = 0.002) and significantly higher in invasive compared with invasive with non-invasive component group in histological (P = 0.043) and nuclear grade 2 (P = 0.036), estrogen-receptor-positive (ER+) (P = 0.006), progesterone-receptor-positive (PR+) (P = 0.008), ER+ PR+ (P = 0.007), and proliferation index (Ki-67) LT = 20 % (P = 0.036) tumors. Our findings suggest that miR-21 could be independent molecular marker of breast cancer invasiveness and potential target for future anti-miR therapies for the prevention of invasion and metastasis.",
journal = "Medical Oncology",
title = "The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion",
volume = "31",
number = "3",
doi = "10.1007/s12032-014-0867-x"
}
Petrović, N., Mandušić, V., Stanojević, B., Lukić, S., Todorović, L., Roganović, J.,& Dimitrijević, B. B.. (2014). The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion. in Medical Oncology, 31(3).
https://doi.org/10.1007/s12032-014-0867-x
Petrović N, Mandušić V, Stanojević B, Lukić S, Todorović L, Roganović J, Dimitrijević BB. The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion. in Medical Oncology. 2014;31(3).
doi:10.1007/s12032-014-0867-x .
Petrović, Nina, Mandušić, Vesna, Stanojević, Boban, Lukić, Silvana, Todorović, Lidija, Roganović, Jelena, Dimitrijević, Bogomir B., "The difference in miR-21 expression levels between invasive and non-invasive breast cancers emphasizes its role in breast cancer invasion" in Medical Oncology, 31, no. 3 (2014),
https://doi.org/10.1007/s12032-014-0867-x . .
1
42
29
44

Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia

Petrović, Nina; Mandušić, Vesna; Dimitrijević, Bogomir B.; Roganović, Jelena; Lukić, Silvana; Todorović, Lidija; Stanojević, Boban

(2014)

TY  - JOUR
AU  - Petrović, Nina
AU  - Mandušić, Vesna
AU  - Dimitrijević, Bogomir B.
AU  - Roganović, Jelena
AU  - Lukić, Silvana
AU  - Todorović, Lidija
AU  - Stanojević, Boban
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6070
AB  - MicroRNAs play essential role in breast carcinoma progression and invasion. Our principal goals were to assess clinicopathological and prognostic correlations of microRNA-21 (miR-21) expression levels in a group of 39 Serbian breast cancer patients with invasive lobular (ILC), ductal (IDC), or mixed (ILC-IDC) breast carcinomas and in order to discover the role of miR-21 in potential novel form of stratification of the patients with different estrogen receptor (ER) and progesterone receptor (PR) status. MiR-21 expression levels were measured by stem-loop real-time RT-PCR using TaqMan technology. ER, PR, human epidermal growth factor 2 receptor (Her-2), and proliferative index (Ki-67) were evaluated by immunohistochemistry. MiR-21 levels do not vary among ILC, IDC, and ILC-IDC subgroups. MiR-21 expression levels varied significantly in the age, tumor size, Ki-67, and different grade (p = 0.030, p = 0.036, p = 0.027 and p = 0.032, respectively) subgroups. ER? and PR? showed higher miR-21 levels than their negative receptor status paired groups ER-and PR-with p = 0.012 and p = 0.018, respectively. MiR-21 positively correlated with ER and PR status (p = 0.018, rho = 0.379 and p = 0.034, rho = 0.345, respectively). Our findings suggest that miR-21 emulates transitional form of expression and that the levels of expression might be useful for stratification of the patients with different receptor status with the purpose to seek for new therapy approaches especially for the patients with the lack of response to conventional endocrine therapy.
T2  - Medical Oncology
T1  - Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia
VL  - 31
IS  - 6
DO  - 10.1007/s12032-014-0977-5
ER  - 
@article{
author = "Petrović, Nina and Mandušić, Vesna and Dimitrijević, Bogomir B. and Roganović, Jelena and Lukić, Silvana and Todorović, Lidija and Stanojević, Boban",
year = "2014",
abstract = "MicroRNAs play essential role in breast carcinoma progression and invasion. Our principal goals were to assess clinicopathological and prognostic correlations of microRNA-21 (miR-21) expression levels in a group of 39 Serbian breast cancer patients with invasive lobular (ILC), ductal (IDC), or mixed (ILC-IDC) breast carcinomas and in order to discover the role of miR-21 in potential novel form of stratification of the patients with different estrogen receptor (ER) and progesterone receptor (PR) status. MiR-21 expression levels were measured by stem-loop real-time RT-PCR using TaqMan technology. ER, PR, human epidermal growth factor 2 receptor (Her-2), and proliferative index (Ki-67) were evaluated by immunohistochemistry. MiR-21 levels do not vary among ILC, IDC, and ILC-IDC subgroups. MiR-21 expression levels varied significantly in the age, tumor size, Ki-67, and different grade (p = 0.030, p = 0.036, p = 0.027 and p = 0.032, respectively) subgroups. ER? and PR? showed higher miR-21 levels than their negative receptor status paired groups ER-and PR-with p = 0.012 and p = 0.018, respectively. MiR-21 positively correlated with ER and PR status (p = 0.018, rho = 0.379 and p = 0.034, rho = 0.345, respectively). Our findings suggest that miR-21 emulates transitional form of expression and that the levels of expression might be useful for stratification of the patients with different receptor status with the purpose to seek for new therapy approaches especially for the patients with the lack of response to conventional endocrine therapy.",
journal = "Medical Oncology",
title = "Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia",
volume = "31",
number = "6",
doi = "10.1007/s12032-014-0977-5"
}
Petrović, N., Mandušić, V., Dimitrijević, B. B., Roganović, J., Lukić, S., Todorović, L.,& Stanojević, B.. (2014). Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia. in Medical Oncology, 31(6).
https://doi.org/10.1007/s12032-014-0977-5
Petrović N, Mandušić V, Dimitrijević BB, Roganović J, Lukić S, Todorović L, Stanojević B. Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia. in Medical Oncology. 2014;31(6).
doi:10.1007/s12032-014-0977-5 .
Petrović, Nina, Mandušić, Vesna, Dimitrijević, Bogomir B., Roganović, Jelena, Lukić, Silvana, Todorović, Lidija, Stanojević, Boban, "Higher miR-21 expression in invasive breast carcinomas is associated with positive estrogen and progesterone receptor status in patients from Serbia" in Medical Oncology, 31, no. 6 (2014),
https://doi.org/10.1007/s12032-014-0977-5 . .
11
14
12

Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer

Božović, Ana M.; Markićević, Milan; Dimitrijević, Bogomir B.; Jovanović-Ćupić, Snežana P.; Krajnović, Milena M.; Lukić, Silvana; Mandušić, Vesna

(2013)

TY  - JOUR
AU  - Božović, Ana M.
AU  - Markićević, Milan
AU  - Dimitrijević, Bogomir B.
AU  - Jovanović-Ćupić, Snežana P.
AU  - Krajnović, Milena M.
AU  - Lukić, Silvana
AU  - Mandušić, Vesna
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5647
AB  - The aim of the study was to assess how hypermethylation of the ON promoter of the estrogen receptor beta (ER beta) gene affects its expression (at the mRNA and protein level) and to correlate these with some clinical and histopathological parameters. A total of 131 samples of frozen breast cancer tissue was analyzed. A custom-designed, two-step PCR method was used to measure the methylation index of the ER beta gene ON promoter region. Quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) was performed to quantify mRNA of the ER beta 1 isoform, while ER beta 1 protein was determined using the Western blot method. There was a significant difference in the methylation index of the ER beta gene ON promoter between the groups of patients with negative and positive axillary lymph node status (P = 0.03). In addition, the methylation index of the ON promoter was positively correlated with estrogen receptor alfa (ER alpha) protein levels (q = 0.31, P = 0.02). There was a significant difference in the methylation index of the ON promoter between the progesterone receptor (PR)-negative and PR-positive groups of patients (P = 0.01). ER beta 1 protein levels were negatively correlated with ER alpha protein (q = -0.27, P LT 0.01). The methylation index of the ON promoter could be a more reliable additional parameter for prediction and/or prognosis in breast cancer than ER beta 1-mRNA and/or protein levels.
T2  - Medical Oncology
T1  - Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer
VL  - 30
IS  - 3
DO  - 10.1007/s12032-013-0642-4
ER  - 
@article{
author = "Božović, Ana M. and Markićević, Milan and Dimitrijević, Bogomir B. and Jovanović-Ćupić, Snežana P. and Krajnović, Milena M. and Lukić, Silvana and Mandušić, Vesna",
year = "2013",
abstract = "The aim of the study was to assess how hypermethylation of the ON promoter of the estrogen receptor beta (ER beta) gene affects its expression (at the mRNA and protein level) and to correlate these with some clinical and histopathological parameters. A total of 131 samples of frozen breast cancer tissue was analyzed. A custom-designed, two-step PCR method was used to measure the methylation index of the ER beta gene ON promoter region. Quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) was performed to quantify mRNA of the ER beta 1 isoform, while ER beta 1 protein was determined using the Western blot method. There was a significant difference in the methylation index of the ER beta gene ON promoter between the groups of patients with negative and positive axillary lymph node status (P = 0.03). In addition, the methylation index of the ON promoter was positively correlated with estrogen receptor alfa (ER alpha) protein levels (q = 0.31, P = 0.02). There was a significant difference in the methylation index of the ON promoter between the progesterone receptor (PR)-negative and PR-positive groups of patients (P = 0.01). ER beta 1 protein levels were negatively correlated with ER alpha protein (q = -0.27, P LT 0.01). The methylation index of the ON promoter could be a more reliable additional parameter for prediction and/or prognosis in breast cancer than ER beta 1-mRNA and/or protein levels.",
journal = "Medical Oncology",
title = "Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer",
volume = "30",
number = "3",
doi = "10.1007/s12032-013-0642-4"
}
Božović, A. M., Markićević, M., Dimitrijević, B. B., Jovanović-Ćupić, S. P., Krajnović, M. M., Lukić, S.,& Mandušić, V.. (2013). Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer. in Medical Oncology, 30(3).
https://doi.org/10.1007/s12032-013-0642-4
Božović AM, Markićević M, Dimitrijević BB, Jovanović-Ćupić SP, Krajnović MM, Lukić S, Mandušić V. Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer. in Medical Oncology. 2013;30(3).
doi:10.1007/s12032-013-0642-4 .
Božović, Ana M., Markićević, Milan, Dimitrijević, Bogomir B., Jovanović-Ćupić, Snežana P., Krajnović, Milena M., Lukić, Silvana, Mandušić, Vesna, "Potential clinical significance of ER beta ON promoter methylation in sporadic breast cancer" in Medical Oncology, 30, no. 3 (2013),
https://doi.org/10.1007/s12032-013-0642-4 . .
5
5
6

Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source

Ivanović, Vesna; Dedović-Tanić, Nasta; Milovanović, Zorka M.; Lukić, Silvana; Nikolić, Srđan; Baltić, Vladimir; Stojiljković, Bratislav; Budisin, Nikola; Savovski, Kiril; Demajo, Miroslav; Dimitrijević, Bogomir B.

(2009)

TY  - JOUR
AU  - Ivanović, Vesna
AU  - Dedović-Tanić, Nasta
AU  - Milovanović, Zorka M.
AU  - Lukić, Silvana
AU  - Nikolić, Srđan
AU  - Baltić, Vladimir
AU  - Stojiljković, Bratislav
AU  - Budisin, Nikola
AU  - Savovski, Kiril
AU  - Demajo, Miroslav
AU  - Dimitrijević, Bogomir B.
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/2728
AB  - OBJECTIVE: To use cytoplasmic tissue extract as a new specimen source to quantify transforming growth factor beta 1 (TGF beta 1) protein in metastatic axillary lymph node tissue (ALNT) of breast cancer (BC) patients and to confirm the feasibility of this approach in a prospective pilot study on a subgroup of patients with invasive BC. STUDY DESIGN: The 6 selected malignant and autologous nonmalignant pairs of ALNT were fractionated, under special preanalytical, nonaggressive/nondenaturing conditions, to obtain respective cytoplasmic extracts for TGF beta 1 detection by the Quantikine (R and D Systems Inc., Minneapolis, Minnesota, U.S.A.) enzyme-linked immunosorbent assay kit. RESULTS: The data indicated a highly significant (r=0.973054) positive linear correlation between the TGF beta 1 concentration and total protein concentration in cytoplasmic extract of metastatic ALNT. The subsequent patients pilot study, performed strictly before any clinicopathologic factors were accessible, revealed significantly (p LT 0.01) elevated TGF beta 1 in malignant ALNT (median value: 1.05 ng/mg protein, range: 0.67-3.6 ng/mg protein, n=6) vs. autologous nonmalignant ALNT controls (median value: 0.48 ng/mg protein, range: 0.29-0.90 ng/mg protein, n=6). This elevation was correlated with the number of metastatic axillary lymph nodes with respect to the total and was consistent with an increase in size of tumor deposits in axillary lymph nodes. CONCLUSION: Our data provide for the first time suggestive evidence that the TGF beta 1 level in cytoplasmic extracts of metastatic ALNTs may be a promising bio-marker of invasiveness for BC patients. Confirmatory, large-scale studies are needed to evaluate possible implications of this putative biomarker in BC diagnosis and treatment. (Anal Quant Cytol Histol 2009;31:288-295)
T2  - Analytical and Quantitative Cytology and Histology
T1  - Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source
VL  - 31
IS  - 5
SP  - 288
EP  - 295
UR  - https://hdl.handle.net/21.15107/rcub_vinar_2728
ER  - 
@article{
author = "Ivanović, Vesna and Dedović-Tanić, Nasta and Milovanović, Zorka M. and Lukić, Silvana and Nikolić, Srđan and Baltić, Vladimir and Stojiljković, Bratislav and Budisin, Nikola and Savovski, Kiril and Demajo, Miroslav and Dimitrijević, Bogomir B.",
year = "2009",
abstract = "OBJECTIVE: To use cytoplasmic tissue extract as a new specimen source to quantify transforming growth factor beta 1 (TGF beta 1) protein in metastatic axillary lymph node tissue (ALNT) of breast cancer (BC) patients and to confirm the feasibility of this approach in a prospective pilot study on a subgroup of patients with invasive BC. STUDY DESIGN: The 6 selected malignant and autologous nonmalignant pairs of ALNT were fractionated, under special preanalytical, nonaggressive/nondenaturing conditions, to obtain respective cytoplasmic extracts for TGF beta 1 detection by the Quantikine (R and D Systems Inc., Minneapolis, Minnesota, U.S.A.) enzyme-linked immunosorbent assay kit. RESULTS: The data indicated a highly significant (r=0.973054) positive linear correlation between the TGF beta 1 concentration and total protein concentration in cytoplasmic extract of metastatic ALNT. The subsequent patients pilot study, performed strictly before any clinicopathologic factors were accessible, revealed significantly (p LT 0.01) elevated TGF beta 1 in malignant ALNT (median value: 1.05 ng/mg protein, range: 0.67-3.6 ng/mg protein, n=6) vs. autologous nonmalignant ALNT controls (median value: 0.48 ng/mg protein, range: 0.29-0.90 ng/mg protein, n=6). This elevation was correlated with the number of metastatic axillary lymph nodes with respect to the total and was consistent with an increase in size of tumor deposits in axillary lymph nodes. CONCLUSION: Our data provide for the first time suggestive evidence that the TGF beta 1 level in cytoplasmic extracts of metastatic ALNTs may be a promising bio-marker of invasiveness for BC patients. Confirmatory, large-scale studies are needed to evaluate possible implications of this putative biomarker in BC diagnosis and treatment. (Anal Quant Cytol Histol 2009;31:288-295)",
journal = "Analytical and Quantitative Cytology and Histology",
title = "Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source",
volume = "31",
number = "5",
pages = "288-295",
url = "https://hdl.handle.net/21.15107/rcub_vinar_2728"
}
Ivanović, V., Dedović-Tanić, N., Milovanović, Z. M., Lukić, S., Nikolić, S., Baltić, V., Stojiljković, B., Budisin, N., Savovski, K., Demajo, M.,& Dimitrijević, B. B.. (2009). Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source. in Analytical and Quantitative Cytology and Histology, 31(5), 288-295.
https://hdl.handle.net/21.15107/rcub_vinar_2728
Ivanović V, Dedović-Tanić N, Milovanović ZM, Lukić S, Nikolić S, Baltić V, Stojiljković B, Budisin N, Savovski K, Demajo M, Dimitrijević BB. Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source. in Analytical and Quantitative Cytology and Histology. 2009;31(5):288-295.
https://hdl.handle.net/21.15107/rcub_vinar_2728 .
Ivanović, Vesna, Dedović-Tanić, Nasta, Milovanović, Zorka M., Lukić, Silvana, Nikolić, Srđan, Baltić, Vladimir, Stojiljković, Bratislav, Budisin, Nikola, Savovski, Kiril, Demajo, Miroslav, Dimitrijević, Bogomir B., "Quantification of Transforming Growth Factor Beta 1 Levels in Metastatic Axillary Lymph Node Tissue Extracts from Breast Cancer Patients A New Specimen Source" in Analytical and Quantitative Cytology and Histology, 31, no. 5 (2009):288-295,
https://hdl.handle.net/21.15107/rcub_vinar_2728 .
4

Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy

Dramićanin, Tatjana; Dramićanin, Miroslav; Dimitrijević, Bogomir B.; Jokanović, Vukoman R.; Lukić, Silvana

(2006)

TY  - JOUR
AU  - Dramićanin, Tatjana
AU  - Dramićanin, Miroslav
AU  - Dimitrijević, Bogomir B.
AU  - Jokanović, Vukoman R.
AU  - Lukić, Silvana
PY  - 2006
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3128
AB  - Studies of fluorescence from endogenous molecules in tissues are common for applications such as detection or characterization of early disease. Breast cancer is one of the most common malignant tumor among women and good screening methods are therefore of considerable interest. We have applied synchronous luminescence spectroscopy (SLS) to examine specimens of excised breast tissues. Measurements have been made in the 330 nm to 650 nm range of excitation wavelengths and constant wavelength interval varying from 30 nm to 120 nm on 21 normal and 21 malignant breast tissue samples. Significant differences between SLS patterns of normal and malignant tissues are detected and related to the discrepancy in concentrations of extracellular proteins and co-enzymes. Malignant tissue identification criteria are established on the basis of spectral peak areas of SLS spectra that correspond to constant wavelength intervals where the most pronounced differences are observed. These characteristic intervals are chosen from the difference of averaged three-dimensional SLS patterns of normal and malignant breast tissues. Using observed statistically significant spectral differences as classification criteria we tested classification success rate of presented SLS method.
T2  - Acta Chimica Slovenica
T1  - Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy
VL  - 53
IS  - 4
SP  - 444
EP  - 449
UR  - https://hdl.handle.net/21.15107/rcub_vinar_3128
ER  - 
@article{
author = "Dramićanin, Tatjana and Dramićanin, Miroslav and Dimitrijević, Bogomir B. and Jokanović, Vukoman R. and Lukić, Silvana",
year = "2006",
abstract = "Studies of fluorescence from endogenous molecules in tissues are common for applications such as detection or characterization of early disease. Breast cancer is one of the most common malignant tumor among women and good screening methods are therefore of considerable interest. We have applied synchronous luminescence spectroscopy (SLS) to examine specimens of excised breast tissues. Measurements have been made in the 330 nm to 650 nm range of excitation wavelengths and constant wavelength interval varying from 30 nm to 120 nm on 21 normal and 21 malignant breast tissue samples. Significant differences between SLS patterns of normal and malignant tissues are detected and related to the discrepancy in concentrations of extracellular proteins and co-enzymes. Malignant tissue identification criteria are established on the basis of spectral peak areas of SLS spectra that correspond to constant wavelength intervals where the most pronounced differences are observed. These characteristic intervals are chosen from the difference of averaged three-dimensional SLS patterns of normal and malignant breast tissues. Using observed statistically significant spectral differences as classification criteria we tested classification success rate of presented SLS method.",
journal = "Acta Chimica Slovenica",
title = "Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy",
volume = "53",
number = "4",
pages = "444-449",
url = "https://hdl.handle.net/21.15107/rcub_vinar_3128"
}
Dramićanin, T., Dramićanin, M., Dimitrijević, B. B., Jokanović, V. R.,& Lukić, S.. (2006). Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy. in Acta Chimica Slovenica, 53(4), 444-449.
https://hdl.handle.net/21.15107/rcub_vinar_3128
Dramićanin T, Dramićanin M, Dimitrijević BB, Jokanović VR, Lukić S. Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy. in Acta Chimica Slovenica. 2006;53(4):444-449.
https://hdl.handle.net/21.15107/rcub_vinar_3128 .
Dramićanin, Tatjana, Dramićanin, Miroslav, Dimitrijević, Bogomir B., Jokanović, Vukoman R., Lukić, Silvana, "Discrimination between normal and malignant breast tissues by synchronous luminescence spectroscopy" in Acta Chimica Slovenica, 53, no. 4 (2006):444-449,
https://hdl.handle.net/21.15107/rcub_vinar_3128 .
9