Yamashita, Shunichi

Link to this page

Authority KeyName Variants
orcid::0000-0001-6399-6261
  • Yamashita, Shunichi (7)
Projects

Author's Bibliography

Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2

Todorović, Lidija; Stamenković, Gorana; Vučetić-Tadić, Biljana; Umezawa, Kazuo; Božović, Ana M.; Yamashita, Shunichi; Stanojević, Boban

(2021)

TY  - JOUR
AU  - Todorović, Lidija
AU  - Stamenković, Gorana
AU  - Vučetić-Tadić, Biljana
AU  - Umezawa, Kazuo
AU  - Božović, Ana M.
AU  - Yamashita, Shunichi
AU  - Stanojević, Boban
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9413
AB  - The use of targeted inhibitors has shown promise as an effective approach in cancer therapy. However, targeted therapies based only on one drug, such as 17-allylamino-17-demethoxygeldanamycin (17-AAG), have limited success, partly because cancer cells engage alternate pathways for survival and proliferation. In the present study, we evaluated whether dehydroxymethylepoxyquinomicin (DHMEQ), a nuclear factor ?B (NF-?B) inhibitor, can enhance the antitumor activities of 17-AAG, a 90 kDa heat shock protein (Hsp90) inhibitor, in the anaplastic thyroid cancer cell line KTC2. We examined the effect of combined drug treatment vs single drug treatment on cell survival. Isobologram analysis was performed to distinguish the additive vs synergistic effects of the drug combination. Western blotting was performed to investigate apoptosis markers: caspase 3, poly(ADP-ribose) polymerase-one (PARP-1), B-cell lymphoma-extra large (Bcl-XL), X-linked inhibitor of apoptosis (XIAP) and cellular inhibitor of apoptosis 2 (cIAP-2). Compared to monotherapy, the combined treatment enhanced growth-inhibitory effects in a synergistic manner and strongly potentiated apoptosis. These results demonstrate the first in vitro evidence that a combination of Hsp90 and NF-?B inhibitors is a more effective modality for inhibiting cell proliferation and survival in anaplastic thyroid carcinoma cells than either agent alone, warranting further investigations.
T2  - Archives of Biological Sciences
T1  - Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2
VL  - 73
IS  - 1
SP  - 31
EP  - 38
DO  - 10.2298/ABS201010055T
ER  - 
@article{
author = "Todorović, Lidija and Stamenković, Gorana and Vučetić-Tadić, Biljana and Umezawa, Kazuo and Božović, Ana M. and Yamashita, Shunichi and Stanojević, Boban",
year = "2021",
abstract = "The use of targeted inhibitors has shown promise as an effective approach in cancer therapy. However, targeted therapies based only on one drug, such as 17-allylamino-17-demethoxygeldanamycin (17-AAG), have limited success, partly because cancer cells engage alternate pathways for survival and proliferation. In the present study, we evaluated whether dehydroxymethylepoxyquinomicin (DHMEQ), a nuclear factor ?B (NF-?B) inhibitor, can enhance the antitumor activities of 17-AAG, a 90 kDa heat shock protein (Hsp90) inhibitor, in the anaplastic thyroid cancer cell line KTC2. We examined the effect of combined drug treatment vs single drug treatment on cell survival. Isobologram analysis was performed to distinguish the additive vs synergistic effects of the drug combination. Western blotting was performed to investigate apoptosis markers: caspase 3, poly(ADP-ribose) polymerase-one (PARP-1), B-cell lymphoma-extra large (Bcl-XL), X-linked inhibitor of apoptosis (XIAP) and cellular inhibitor of apoptosis 2 (cIAP-2). Compared to monotherapy, the combined treatment enhanced growth-inhibitory effects in a synergistic manner and strongly potentiated apoptosis. These results demonstrate the first in vitro evidence that a combination of Hsp90 and NF-?B inhibitors is a more effective modality for inhibiting cell proliferation and survival in anaplastic thyroid carcinoma cells than either agent alone, warranting further investigations.",
journal = "Archives of Biological Sciences",
title = "Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2",
volume = "73",
number = "1",
pages = "31-38",
doi = "10.2298/ABS201010055T"
}
Todorović, L., Stamenković, G., Vučetić-Tadić, B., Umezawa, K., Božović, A. M., Yamashita, S.,& Stanojević, B.. (2021). Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2. in Archives of Biological Sciences, 73(1), 31-38.
https://doi.org/10.2298/ABS201010055T
Todorović L, Stamenković G, Vučetić-Tadić B, Umezawa K, Božović AM, Yamashita S, Stanojević B. Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2. in Archives of Biological Sciences. 2021;73(1):31-38.
doi:10.2298/ABS201010055T .
Todorović, Lidija, Stamenković, Gorana, Vučetić-Tadić, Biljana, Umezawa, Kazuo, Božović, Ana M., Yamashita, Shunichi, Stanojević, Boban, "Synergistic effect of 17-allylamino-17-demethoxygeldanamycin with dehydroxymethylepoxyquinomicin on the human anaplastic thyroid carcinoma cell line KTC2" in Archives of Biological Sciences, 73, no. 1 (2021):31-38,
https://doi.org/10.2298/ABS201010055T . .

Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters

Todorović, Lidija; Stanojević, Boban; Mandušić, Vesna; Petrović, Nina; Živaljević, Vladan R.; Paunović, Ivan R.; Diklić, Aleksandar; Saenko, Vladimir; Yamashita, Shunichi

(2018)

TY  - JOUR
AU  - Todorović, Lidija
AU  - Stanojević, Boban
AU  - Mandušić, Vesna
AU  - Petrović, Nina
AU  - Živaljević, Vladan R.
AU  - Paunović, Ivan R.
AU  - Diklić, Aleksandar
AU  - Saenko, Vladimir
AU  - Yamashita, Shunichi
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1944
AB  - A growing body of evidence suggests a role of the von Hippel-Lindau (VHL) tumor suppressor gene in the progression of papillary thyroid carcinoma (PTC). Our previous study of VHL in PTCs showed that lower VHL expression was associated with aggressive tumor features, but we found no evidence for VHL downregulation through common genetic or epigenetic modifications. Several studies pointed to a role of microRNA-92a (miR-92a) in the regulation of VHL expression in different cancers. In the present study, we examined the expression levels of VHL mRNA and miR-92a in 42 pairs of PTCs and matched non-tumor thyroid tissues by means of quantitative RT-PCR. We explored the correlation between them and their association with clinicopathological parameters. The results revealed that both VHL and miR-92a were either up-or downregulated in PTCs compared to corresponding non-tumor tissues. On univariate analysis, lower VHL levels were significantly associated with extrathyroid spread (P = 0.022) and capsular invasion (P = 0.032). Multivariate analysis confirmed the association of low VHL with extrathyroid spread (OR 0.246, 95% CI 0.069-0.872, P = 0.038). Higher miR-92a among PTC tissues associated with the presence of nodal metastases (univariate analysis: P = 0.012; multivariate: OR 4.703, 95% CI 1.109-19.938, P = 0.036). A negative correlation between VHL and miR-92a was observed in a subgroup of PTCs having vascular invasion (P = 0.033, r = -0.673). The data here reported demonstrate that the expression of both VHL and miR-92a is deregulated in PTC tissues and that in some PTCs they may have opposite roles. These roles, as well as their diagnostic and/or prognostic utility, remain to be clarified.
T2  - Medical Oncology
T1  - Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters
VL  - 35
IS  - 2
DO  - 10.1007/s12032-017-1066-3
ER  - 
@article{
author = "Todorović, Lidija and Stanojević, Boban and Mandušić, Vesna and Petrović, Nina and Živaljević, Vladan R. and Paunović, Ivan R. and Diklić, Aleksandar and Saenko, Vladimir and Yamashita, Shunichi",
year = "2018",
abstract = "A growing body of evidence suggests a role of the von Hippel-Lindau (VHL) tumor suppressor gene in the progression of papillary thyroid carcinoma (PTC). Our previous study of VHL in PTCs showed that lower VHL expression was associated with aggressive tumor features, but we found no evidence for VHL downregulation through common genetic or epigenetic modifications. Several studies pointed to a role of microRNA-92a (miR-92a) in the regulation of VHL expression in different cancers. In the present study, we examined the expression levels of VHL mRNA and miR-92a in 42 pairs of PTCs and matched non-tumor thyroid tissues by means of quantitative RT-PCR. We explored the correlation between them and their association with clinicopathological parameters. The results revealed that both VHL and miR-92a were either up-or downregulated in PTCs compared to corresponding non-tumor tissues. On univariate analysis, lower VHL levels were significantly associated with extrathyroid spread (P = 0.022) and capsular invasion (P = 0.032). Multivariate analysis confirmed the association of low VHL with extrathyroid spread (OR 0.246, 95% CI 0.069-0.872, P = 0.038). Higher miR-92a among PTC tissues associated with the presence of nodal metastases (univariate analysis: P = 0.012; multivariate: OR 4.703, 95% CI 1.109-19.938, P = 0.036). A negative correlation between VHL and miR-92a was observed in a subgroup of PTCs having vascular invasion (P = 0.033, r = -0.673). The data here reported demonstrate that the expression of both VHL and miR-92a is deregulated in PTC tissues and that in some PTCs they may have opposite roles. These roles, as well as their diagnostic and/or prognostic utility, remain to be clarified.",
journal = "Medical Oncology",
title = "Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters",
volume = "35",
number = "2",
doi = "10.1007/s12032-017-1066-3"
}
Todorović, L., Stanojević, B., Mandušić, V., Petrović, N., Živaljević, V. R., Paunović, I. R., Diklić, A., Saenko, V.,& Yamashita, S.. (2018). Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters. in Medical Oncology, 35(2).
https://doi.org/10.1007/s12032-017-1066-3
Todorović L, Stanojević B, Mandušić V, Petrović N, Živaljević VR, Paunović IR, Diklić A, Saenko V, Yamashita S. Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters. in Medical Oncology. 2018;35(2).
doi:10.1007/s12032-017-1066-3 .
Todorović, Lidija, Stanojević, Boban, Mandušić, Vesna, Petrović, Nina, Živaljević, Vladan R., Paunović, Ivan R., Diklić, Aleksandar, Saenko, Vladimir, Yamashita, Shunichi, "Expression of VHL tumor suppressor mRNA and miR-92a in papillary thyroid carcinoma and their correlation with clinical and pathological parameters" in Medical Oncology, 35, no. 2 (2018),
https://doi.org/10.1007/s12032-017-1066-3 . .
10
10
7
12

Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma

Stanojević, Boban; Saenko, Vladimir; Todorović, Lidija; Petrović, Nina; Nikolić, Dragan; Živaljević, Vladan R.; Paunović, Ivan R.; Nakashima, Masahiro; Yamashita, Shunichi; Džodić, Radan R.

(2014)

TY  - JOUR
AU  - Stanojević, Boban
AU  - Saenko, Vladimir
AU  - Todorović, Lidija
AU  - Petrović, Nina
AU  - Nikolić, Dragan
AU  - Živaljević, Vladan R.
AU  - Paunović, Ivan R.
AU  - Nakashima, Masahiro
AU  - Yamashita, Shunichi
AU  - Džodić, Radan R.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/340
AB  - Alterations of the von Hippel-Lindau (VHL) tumor suppressor gene can cause different hereditary tumors associated with VHL syndrome, but the potential role of the VHL gene in papillary thyroid carcinoma (PTC) has not been characterized. This study set out to investigate the relationship of VHL expression level with clinicopathological features of PTC in an ethnically and geographically homogenous group of 264 patients from Serbia, for the first time. Multivariate logistic regression analysis showed a strong correlation between low level of VHL expression and advanced clinical stage (OR=5.78, 95% CI 3.17-10.53, P LT 0.0001), classical papillary morphology of the tumor (OR=2.92, 95% CI 1.33-6.44, P=0.008) and multifocality (OR=1.96, 95% CI 1.06-3.62, P=0.031). In disease-free survival analysis, low VHL expression had marginal significance (P=0.0502 by the log-rank test) but did not appear to be an independent predictor of the risk for chance of faster recurrence in a proportion hazards model. No somatic mutations or evidence of VHL downregulation via promoter hypermethylation in PTC were found. The results indicate that the decrease of VHL expression associates with tumor progression but the mechanism of downregulation remains to be elucidated.
T2  - PLOS One
T1  - Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma
VL  - 9
IS  - 12
DO  - 10.1371/journal.pone.0114511
ER  - 
@article{
author = "Stanojević, Boban and Saenko, Vladimir and Todorović, Lidija and Petrović, Nina and Nikolić, Dragan and Živaljević, Vladan R. and Paunović, Ivan R. and Nakashima, Masahiro and Yamashita, Shunichi and Džodić, Radan R.",
year = "2014",
abstract = "Alterations of the von Hippel-Lindau (VHL) tumor suppressor gene can cause different hereditary tumors associated with VHL syndrome, but the potential role of the VHL gene in papillary thyroid carcinoma (PTC) has not been characterized. This study set out to investigate the relationship of VHL expression level with clinicopathological features of PTC in an ethnically and geographically homogenous group of 264 patients from Serbia, for the first time. Multivariate logistic regression analysis showed a strong correlation between low level of VHL expression and advanced clinical stage (OR=5.78, 95% CI 3.17-10.53, P LT 0.0001), classical papillary morphology of the tumor (OR=2.92, 95% CI 1.33-6.44, P=0.008) and multifocality (OR=1.96, 95% CI 1.06-3.62, P=0.031). In disease-free survival analysis, low VHL expression had marginal significance (P=0.0502 by the log-rank test) but did not appear to be an independent predictor of the risk for chance of faster recurrence in a proportion hazards model. No somatic mutations or evidence of VHL downregulation via promoter hypermethylation in PTC were found. The results indicate that the decrease of VHL expression associates with tumor progression but the mechanism of downregulation remains to be elucidated.",
journal = "PLOS One",
title = "Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma",
volume = "9",
number = "12",
doi = "10.1371/journal.pone.0114511"
}
Stanojević, B., Saenko, V., Todorović, L., Petrović, N., Nikolić, D., Živaljević, V. R., Paunović, I. R., Nakashima, M., Yamashita, S.,& Džodić, R. R.. (2014). Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma. in PLOS One, 9(12).
https://doi.org/10.1371/journal.pone.0114511
Stanojević B, Saenko V, Todorović L, Petrović N, Nikolić D, Živaljević VR, Paunović IR, Nakashima M, Yamashita S, Džodić RR. Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma. in PLOS One. 2014;9(12).
doi:10.1371/journal.pone.0114511 .
Stanojević, Boban, Saenko, Vladimir, Todorović, Lidija, Petrović, Nina, Nikolić, Dragan, Živaljević, Vladan R., Paunović, Ivan R., Nakashima, Masahiro, Yamashita, Shunichi, Džodić, Radan R., "Low VHL mRNA Expression is Associated with More Aggressive Tumor Features of Papillary Thyroid Carcinoma" in PLOS One, 9, no. 12 (2014),
https://doi.org/10.1371/journal.pone.0114511 . .
1
8
6
10

Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report

Stanojević, Boban; Džodić, Radan R.; Saenko, Vladimir; Milovanović, Zorka M.; Krstevski, Vesna; Radlovic, Petar; Buta, Marko; Rulic, Bozidar; Todorović, Lidija; Dimitrijević, Bogomir B.; Yamashita, Shunichi

(2012)

TY  - JOUR
AU  - Stanojević, Boban
AU  - Džodić, Radan R.
AU  - Saenko, Vladimir
AU  - Milovanović, Zorka M.
AU  - Krstevski, Vesna
AU  - Radlovic, Petar
AU  - Buta, Marko
AU  - Rulic, Bozidar
AU  - Todorović, Lidija
AU  - Dimitrijević, Bogomir B.
AU  - Yamashita, Shunichi
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4970
AB  - Background: Struma ovarii (SO) is a rare form of ovarian mature teratoma in which thyroid tissue is the predominant element. Because of its rarity, the differential diagnosis between benign and malignant SO has not been clearly defined. It is believed that malignant transformation of SO has similar molecular features with and its prognosis corresponds to that of malignant tumors originating in the thyroid. Case presentation: We report 35-year-old woman with bilateral ovarian cysts incidentally detected by ultrasound during the first trimester of pregnancy. Four months after delivery of a healthy child without complication she was admitted to the hospital for acute abdominal pain. Laparoscopic left adnexectomy was performed initially in a regional hospital; right cystectomy was done later in a specialized clinic. Intraoperative frozen section and a final pathology revealed that the cyst from the left ovary was composed of mature teratomatous elements, normal thyroid tissue ( GT 50%) and a non-encapsulated focus of follicular variant of papillary thyroid carcinoma (PTC). Normal and cancerous thyroid tissues were tested for BRAF and RAS mutations by direct sequencing, and for RET/PTC rearrangements by RT-PCR/Southern blotting. A KRAS codon 12 mutation, the GGT - GT GTT transversion, corresponding to the Gly - GT Val amino acid change was identified in the absence of other genetic alterations commonly found in PTC. Conclusion: To the best of our knowledge, this is the first time this mutation is described in a papillary thyroid carcinoma arising in struma in the ovarii. This finding provides further evidence that even rare mutations specific for PTC may occur in such tumors. Molecular testing may be a useful adjunct to common differential diagnostic methods of thyroid malignancy in SO.
T2  - BMC Cancer
T1  - Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report
VL  - 12
DO  - 10.1186/1471-2407-12-224
ER  - 
@article{
author = "Stanojević, Boban and Džodić, Radan R. and Saenko, Vladimir and Milovanović, Zorka M. and Krstevski, Vesna and Radlovic, Petar and Buta, Marko and Rulic, Bozidar and Todorović, Lidija and Dimitrijević, Bogomir B. and Yamashita, Shunichi",
year = "2012",
abstract = "Background: Struma ovarii (SO) is a rare form of ovarian mature teratoma in which thyroid tissue is the predominant element. Because of its rarity, the differential diagnosis between benign and malignant SO has not been clearly defined. It is believed that malignant transformation of SO has similar molecular features with and its prognosis corresponds to that of malignant tumors originating in the thyroid. Case presentation: We report 35-year-old woman with bilateral ovarian cysts incidentally detected by ultrasound during the first trimester of pregnancy. Four months after delivery of a healthy child without complication she was admitted to the hospital for acute abdominal pain. Laparoscopic left adnexectomy was performed initially in a regional hospital; right cystectomy was done later in a specialized clinic. Intraoperative frozen section and a final pathology revealed that the cyst from the left ovary was composed of mature teratomatous elements, normal thyroid tissue ( GT 50%) and a non-encapsulated focus of follicular variant of papillary thyroid carcinoma (PTC). Normal and cancerous thyroid tissues were tested for BRAF and RAS mutations by direct sequencing, and for RET/PTC rearrangements by RT-PCR/Southern blotting. A KRAS codon 12 mutation, the GGT - GT GTT transversion, corresponding to the Gly - GT Val amino acid change was identified in the absence of other genetic alterations commonly found in PTC. Conclusion: To the best of our knowledge, this is the first time this mutation is described in a papillary thyroid carcinoma arising in struma in the ovarii. This finding provides further evidence that even rare mutations specific for PTC may occur in such tumors. Molecular testing may be a useful adjunct to common differential diagnostic methods of thyroid malignancy in SO.",
journal = "BMC Cancer",
title = "Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report",
volume = "12",
doi = "10.1186/1471-2407-12-224"
}
Stanojević, B., Džodić, R. R., Saenko, V., Milovanović, Z. M., Krstevski, V., Radlovic, P., Buta, M., Rulic, B., Todorović, L., Dimitrijević, B. B.,& Yamashita, S.. (2012). Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report. in BMC Cancer, 12.
https://doi.org/10.1186/1471-2407-12-224
Stanojević B, Džodić RR, Saenko V, Milovanović ZM, Krstevski V, Radlovic P, Buta M, Rulic B, Todorović L, Dimitrijević BB, Yamashita S. Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report. in BMC Cancer. 2012;12.
doi:10.1186/1471-2407-12-224 .
Stanojević, Boban, Džodić, Radan R., Saenko, Vladimir, Milovanović, Zorka M., Krstevski, Vesna, Radlovic, Petar, Buta, Marko, Rulic, Bozidar, Todorović, Lidija, Dimitrijević, Bogomir B., Yamashita, Shunichi, "Unilateral follicular variant of papillary thyroid carcinoma with unique KRAS mutation in struma ovarii in bilateral ovarian teratoma: a rare case report" in BMC Cancer, 12 (2012),
https://doi.org/10.1186/1471-2407-12-224 . .
1
21
16
21

Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia

Džodić, Radan R.; Marković, Ivan; Stanojević, Boban; Saenko, Vladimir; Buta, Marko; Đurišić, Igor; Oruci, Merima; Pupić, Gordana; Milovanović, Zorka M.; Yamashita, Shunichi

(2012)

TY  - JOUR
AU  - Džodić, Radan R.
AU  - Marković, Ivan
AU  - Stanojević, Boban
AU  - Saenko, Vladimir
AU  - Buta, Marko
AU  - Đurišić, Igor
AU  - Oruci, Merima
AU  - Pupić, Gordana
AU  - Milovanović, Zorka M.
AU  - Yamashita, Shunichi
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4922
AB  - Thyroglossal duct cyst (TDC) carcinoma is a comparable rare entity and treatment strategies have not been standardized. Here, we report a favorable outcome of TDC carcinoma patients based on our therapeutic strategy. Twelve patients with TDC carcinoma treated in our department from 1986 to 2012 were enrolled. Ten patients underwent Sistrunks procedure in other institutions and referred to our institution for re-operation after the diagnosis of TDC carcinoma and the remaining two underwent initial surgery in our institution. Eleven patients were diagnosed as papillary and one as follicular carcinoma originating from TDC. We performed total thyroidectomy for 11, and limited thyroidectomy for one patient. Three patients (25%) had carcinoma lesions in the thyroid. We routinely dissected level I bilaterally and 6 of 11 patients (55%) with papillary carcinoma-type TDC carcinoma had metastasis. Level II/III nodes were biopsied and if positive, we performed level II-IV dissection. Of the 5 patients positive for level II/III, 2 were also positive for level IV. For the 3 patients with synchronous carcinoma in the thyroid, we performed level VI dissection and two had metastasis in this level. To date, 1 patient showed a recurrence to the lung, but none of the patients in our series died of carcinoma. For surgery of TDC carcinoma, Sistrunks procedure, total thyroidectomy with level I dissection is mandatory. Whether level II-IV dissection is performed depends on pathology of biopsied level II/III nodes. Level VI dissection is also recommended especially when carcinoma lesions are pre/intra operatively detected in the thyroid.
T2  - Endocrine Journal
T1  - Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia
VL  - 59
IS  - 6
SP  - 517
EP  - 522
DO  - 10.1507/endocrj.EJ12-0070
ER  - 
@article{
author = "Džodić, Radan R. and Marković, Ivan and Stanojević, Boban and Saenko, Vladimir and Buta, Marko and Đurišić, Igor and Oruci, Merima and Pupić, Gordana and Milovanović, Zorka M. and Yamashita, Shunichi",
year = "2012",
abstract = "Thyroglossal duct cyst (TDC) carcinoma is a comparable rare entity and treatment strategies have not been standardized. Here, we report a favorable outcome of TDC carcinoma patients based on our therapeutic strategy. Twelve patients with TDC carcinoma treated in our department from 1986 to 2012 were enrolled. Ten patients underwent Sistrunks procedure in other institutions and referred to our institution for re-operation after the diagnosis of TDC carcinoma and the remaining two underwent initial surgery in our institution. Eleven patients were diagnosed as papillary and one as follicular carcinoma originating from TDC. We performed total thyroidectomy for 11, and limited thyroidectomy for one patient. Three patients (25%) had carcinoma lesions in the thyroid. We routinely dissected level I bilaterally and 6 of 11 patients (55%) with papillary carcinoma-type TDC carcinoma had metastasis. Level II/III nodes were biopsied and if positive, we performed level II-IV dissection. Of the 5 patients positive for level II/III, 2 were also positive for level IV. For the 3 patients with synchronous carcinoma in the thyroid, we performed level VI dissection and two had metastasis in this level. To date, 1 patient showed a recurrence to the lung, but none of the patients in our series died of carcinoma. For surgery of TDC carcinoma, Sistrunks procedure, total thyroidectomy with level I dissection is mandatory. Whether level II-IV dissection is performed depends on pathology of biopsied level II/III nodes. Level VI dissection is also recommended especially when carcinoma lesions are pre/intra operatively detected in the thyroid.",
journal = "Endocrine Journal",
title = "Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia",
volume = "59",
number = "6",
pages = "517-522",
doi = "10.1507/endocrj.EJ12-0070"
}
Džodić, R. R., Marković, I., Stanojević, B., Saenko, V., Buta, M., Đurišić, I., Oruci, M., Pupić, G., Milovanović, Z. M.,& Yamashita, S.. (2012). Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia. in Endocrine Journal, 59(6), 517-522.
https://doi.org/10.1507/endocrj.EJ12-0070
Džodić RR, Marković I, Stanojević B, Saenko V, Buta M, Đurišić I, Oruci M, Pupić G, Milovanović ZM, Yamashita S. Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia. in Endocrine Journal. 2012;59(6):517-522.
doi:10.1507/endocrj.EJ12-0070 .
Džodić, Radan R., Marković, Ivan, Stanojević, Boban, Saenko, Vladimir, Buta, Marko, Đurišić, Igor, Oruci, Merima, Pupić, Gordana, Milovanović, Zorka M., Yamashita, Shunichi, "Surgical management of primary thyroid carcinoma arising in thyroglossal duct cyst: An experience of a single institution in Serbia" in Endocrine Journal, 59, no. 6 (2012):517-522,
https://doi.org/10.1507/endocrj.EJ12-0070 . .
29
21
27

Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia

Stanojević, Boban; Džodić, Radan R.; Saenko, Vladimir; Milovanović, Zorka M.; Pupić, Gordana; Živković, Ognjen; Marković, Ivan; Đurišić, Igor; Buta, Marko; Dimitrijević, Bogomir B.; Rogounovitch, Tatiana; Mitsutake, Norisato; Mine, Mariko; Shibata, Yoshisada; Nakashima, Masahiro; Yamashita, Shunichi

(2011)

TY  - JOUR
AU  - Stanojević, Boban
AU  - Džodić, Radan R.
AU  - Saenko, Vladimir
AU  - Milovanović, Zorka M.
AU  - Pupić, Gordana
AU  - Živković, Ognjen
AU  - Marković, Ivan
AU  - Đurišić, Igor
AU  - Buta, Marko
AU  - Dimitrijević, Bogomir B.
AU  - Rogounovitch, Tatiana
AU  - Mitsutake, Norisato
AU  - Mine, Mariko
AU  - Shibata, Yoshisada
AU  - Nakashima, Masahiro
AU  - Yamashita, Shunichi
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4401
AB  - Molecular pathogenesis of papillary thyroid carcinoma (PTC) is largely associated with mutational changes in the BRAF, RAS family and RET genes. Our aim was to assess clinico-pathological and prognostic correlations of these PTC-specific gene alterations, with a particular emphasis on the BRAF mutation, in a group of 266 Serbian PTC patients, for the first time. The reference center-based retrospective cohort included 201 (75.6%) females and 65 (24.4%) males aged 48.0 +/- 16.1 years (8-83 years old, range) diagnosed and treated for PTC during 1993-2008. Follow-up period was 53.1 +/- 41.6 months (7-187 months, range). BRAF and RAS mutations were determined by direct sequencing of genomic DNA. RET/PTC rearrangements were analyzed by RT-PCR/Southern blotting. Genetic alterations were detected in 150/266 tumors (56.4%). One tumor displayed two genetic alterations. The BRAF(V600E) was found in 84/266 (31.6%) cases, RAS mutations in 11/266(4.1%) and RET/PTC in 55/266(20.7%; 42/266 (15.8%)RET/PTC1 and 13/266 (4.9%)RET/PTC3). On multivariate analysis BRAF(V600E) was associated with the classical papillary morphology (P = 0.05), the higher pT category (P = 0.05) and advanced clinical stage (P = 0.03). In a proportional hazard model, BRAF(V600E) did not appear to be an independent risk factor for the faster recurrence (P = 0.784). We conclude that under the extensive thyroid surgery and limited application of radioiodine ablation BRAF(V600E) may not be an indicator of poorer disease-free survival during the short to middle follow-up period. However, it has a potential to contribute to patients stratification into high- and low-risk groups.
T2  - Endocrine Journal
T1  - Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia
VL  - 58
IS  - 5
SP  - 381
EP  - 393
DO  - 10.1507/endocrj.K11E-054
ER  - 
@article{
author = "Stanojević, Boban and Džodić, Radan R. and Saenko, Vladimir and Milovanović, Zorka M. and Pupić, Gordana and Živković, Ognjen and Marković, Ivan and Đurišić, Igor and Buta, Marko and Dimitrijević, Bogomir B. and Rogounovitch, Tatiana and Mitsutake, Norisato and Mine, Mariko and Shibata, Yoshisada and Nakashima, Masahiro and Yamashita, Shunichi",
year = "2011",
abstract = "Molecular pathogenesis of papillary thyroid carcinoma (PTC) is largely associated with mutational changes in the BRAF, RAS family and RET genes. Our aim was to assess clinico-pathological and prognostic correlations of these PTC-specific gene alterations, with a particular emphasis on the BRAF mutation, in a group of 266 Serbian PTC patients, for the first time. The reference center-based retrospective cohort included 201 (75.6%) females and 65 (24.4%) males aged 48.0 +/- 16.1 years (8-83 years old, range) diagnosed and treated for PTC during 1993-2008. Follow-up period was 53.1 +/- 41.6 months (7-187 months, range). BRAF and RAS mutations were determined by direct sequencing of genomic DNA. RET/PTC rearrangements were analyzed by RT-PCR/Southern blotting. Genetic alterations were detected in 150/266 tumors (56.4%). One tumor displayed two genetic alterations. The BRAF(V600E) was found in 84/266 (31.6%) cases, RAS mutations in 11/266(4.1%) and RET/PTC in 55/266(20.7%; 42/266 (15.8%)RET/PTC1 and 13/266 (4.9%)RET/PTC3). On multivariate analysis BRAF(V600E) was associated with the classical papillary morphology (P = 0.05), the higher pT category (P = 0.05) and advanced clinical stage (P = 0.03). In a proportional hazard model, BRAF(V600E) did not appear to be an independent risk factor for the faster recurrence (P = 0.784). We conclude that under the extensive thyroid surgery and limited application of radioiodine ablation BRAF(V600E) may not be an indicator of poorer disease-free survival during the short to middle follow-up period. However, it has a potential to contribute to patients stratification into high- and low-risk groups.",
journal = "Endocrine Journal",
title = "Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia",
volume = "58",
number = "5",
pages = "381-393",
doi = "10.1507/endocrj.K11E-054"
}
Stanojević, B., Džodić, R. R., Saenko, V., Milovanović, Z. M., Pupić, G., Živković, O., Marković, I., Đurišić, I., Buta, M., Dimitrijević, B. B., Rogounovitch, T., Mitsutake, N., Mine, M., Shibata, Y., Nakashima, M.,& Yamashita, S.. (2011). Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia. in Endocrine Journal, 58(5), 381-393.
https://doi.org/10.1507/endocrj.K11E-054
Stanojević B, Džodić RR, Saenko V, Milovanović ZM, Pupić G, Živković O, Marković I, Đurišić I, Buta M, Dimitrijević BB, Rogounovitch T, Mitsutake N, Mine M, Shibata Y, Nakashima M, Yamashita S. Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia. in Endocrine Journal. 2011;58(5):381-393.
doi:10.1507/endocrj.K11E-054 .
Stanojević, Boban, Džodić, Radan R., Saenko, Vladimir, Milovanović, Zorka M., Pupić, Gordana, Živković, Ognjen, Marković, Ivan, Đurišić, Igor, Buta, Marko, Dimitrijević, Bogomir B., Rogounovitch, Tatiana, Mitsutake, Norisato, Mine, Mariko, Shibata, Yoshisada, Nakashima, Masahiro, Yamashita, Shunichi, "Mutational and clinico-pathological analysis of papillary thyroid carcinoma in Serbia" in Endocrine Journal, 58, no. 5 (2011):381-393,
https://doi.org/10.1507/endocrj.K11E-054 . .
31
28
33

Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia

Stanojević, Boban; Osiowy, Carla; Schaefer, Stephan; Bojovic, Ksenija; Blagojevic, Jelena; Nesic, Milica; Yamashita, Shunichi; Stamenković, Gorana

(2011)

TY  - JOUR
AU  - Stanojević, Boban
AU  - Osiowy, Carla
AU  - Schaefer, Stephan
AU  - Bojovic, Ksenija
AU  - Blagojevic, Jelena
AU  - Nesic, Milica
AU  - Yamashita, Shunichi
AU  - Stamenković, Gorana
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4450
AB  - Hepatitis B virus (HBV) is classified into 8 genotypes with distinct geographical distribution. Genotype D (HBV/D) has the widest distribution area and is comprised of 7 subgenotypes. Subgenotypes D1, D2 and D3 appear worldwide, while D4-D7 have a more restricted distribution. Within the Mediterranean area, HBV/D and subgenotype D3 are the most prevalent. The purpose of this study was to characterize the full genome of Serbian HBV/D3 isolates by comparison and phylogenetic analysis with HBV/D3 sequences (66 samples) found in GeneBank/DDBJ databases from different parts of the world. Isolates were obtained from three patients diagnosed with chronic hepatitis B (HBsAg +). All three isolates have two very rare nucleotide substitutions, A929T and T150A, which indicate the same ancestor. Phylogenetic analysis of HBV/D3 genome sequences throughout the world follows an ethno-geographical origin of isolates with rare exceptions, which could be explained by human travelling and migration. The geographically close but ethnically different Serbian and Italian isolates clustered in the same subnode, and on a common branch with strains from Northern Canada. To test the apparently close HBV phylogenetic relationship between completely separated patients from Serbia and Northern Canada we analyzed in depth a 440 bp region of the HBsAg from Canadian (n = 73) and Serbian (n = 70) isolates. The constructed parsimony tree revealed that strains from Serbia and Northern Canada fell along the same branch which indicates independent evolution within regions of each country, Considering that HBsAg sequence has limited variability for phylogenetic analyses, our hypothesis needs further confirmation with more HBV complete genome sequences. (C) 2011 Elsevier B.V. All rights reserved,
T2  - Infection Genetics and Evolution
T1  - Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia
VL  - 11
IS  - 6
SP  - 1475
EP  - 1480
DO  - 10.1016/j.meegid.2011.05.004
ER  - 
@article{
author = "Stanojević, Boban and Osiowy, Carla and Schaefer, Stephan and Bojovic, Ksenija and Blagojevic, Jelena and Nesic, Milica and Yamashita, Shunichi and Stamenković, Gorana",
year = "2011",
abstract = "Hepatitis B virus (HBV) is classified into 8 genotypes with distinct geographical distribution. Genotype D (HBV/D) has the widest distribution area and is comprised of 7 subgenotypes. Subgenotypes D1, D2 and D3 appear worldwide, while D4-D7 have a more restricted distribution. Within the Mediterranean area, HBV/D and subgenotype D3 are the most prevalent. The purpose of this study was to characterize the full genome of Serbian HBV/D3 isolates by comparison and phylogenetic analysis with HBV/D3 sequences (66 samples) found in GeneBank/DDBJ databases from different parts of the world. Isolates were obtained from three patients diagnosed with chronic hepatitis B (HBsAg +). All three isolates have two very rare nucleotide substitutions, A929T and T150A, which indicate the same ancestor. Phylogenetic analysis of HBV/D3 genome sequences throughout the world follows an ethno-geographical origin of isolates with rare exceptions, which could be explained by human travelling and migration. The geographically close but ethnically different Serbian and Italian isolates clustered in the same subnode, and on a common branch with strains from Northern Canada. To test the apparently close HBV phylogenetic relationship between completely separated patients from Serbia and Northern Canada we analyzed in depth a 440 bp region of the HBsAg from Canadian (n = 73) and Serbian (n = 70) isolates. The constructed parsimony tree revealed that strains from Serbia and Northern Canada fell along the same branch which indicates independent evolution within regions of each country, Considering that HBsAg sequence has limited variability for phylogenetic analyses, our hypothesis needs further confirmation with more HBV complete genome sequences. (C) 2011 Elsevier B.V. All rights reserved,",
journal = "Infection Genetics and Evolution",
title = "Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia",
volume = "11",
number = "6",
pages = "1475-1480",
doi = "10.1016/j.meegid.2011.05.004"
}
Stanojević, B., Osiowy, C., Schaefer, S., Bojovic, K., Blagojevic, J., Nesic, M., Yamashita, S.,& Stamenković, G.. (2011). Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia. in Infection Genetics and Evolution, 11(6), 1475-1480.
https://doi.org/10.1016/j.meegid.2011.05.004
Stanojević B, Osiowy C, Schaefer S, Bojovic K, Blagojevic J, Nesic M, Yamashita S, Stamenković G. Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia. in Infection Genetics and Evolution. 2011;11(6):1475-1480.
doi:10.1016/j.meegid.2011.05.004 .
Stanojević, Boban, Osiowy, Carla, Schaefer, Stephan, Bojovic, Ksenija, Blagojevic, Jelena, Nesic, Milica, Yamashita, Shunichi, Stamenković, Gorana, "Molecular characterization and phylogenetic analysis of full-genome HBV subgenotype D3 sequences from Serbia" in Infection Genetics and Evolution, 11, no. 6 (2011):1475-1480,
https://doi.org/10.1016/j.meegid.2011.05.004 . .
8
9
8