TY  - JOUR
AU  - Todorović, Jasna
AU  - Dinčić, Marko
AU  - Krstić, Danijela Z.
AU  - Čolović, Mirjana B.
AU  - Nešović-Ostojić, Jelena
AU  - Kovačević, Sanjin
AU  - Lopičić, Srđan
AU  - Spasić, Svetolik
AU  - Brkić, Predrag
AU  - Milovanović, Aleksandar
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10745
AB  - Background: Thyroid dysfunctions as well as sleep abnormalities are usually followed by neurological, psychiatric and/or behavioral disorders. On the other hand, changes in the brain adenosine triphosphatases (ATPases) and acetylcholinesterase (AChE) activities show significant importance in pathogenetic pathways in the evolution of numerous neuropsychiatric diseases. Methods: This study aimed to evaluate the in vivo simultaneous effects of hypothyroidism and paradoxical sleep deprivation for 72 h on synaptosomalATPases and AChE activities of whole rat brains. In order to induce hypothyroidism, 6-n-propyl-2-thiouracil was administrated in drinking water during 21 days. The modified multiple platform method was used to induce paradoxical sleep deprivation. The AChE and ATPases activities were measured using spectrophotometric methods. Results: Hypothyroidism significantly increased the activity of Na+/K+-ATPase compared to other groups, while at the same time significantly decreased AChE activity compared to the CT and SD groups. Paradoxical sleep deprivation significantly increased AChE activity compared to other groups. The simultaneous effect of hypothyroidism and sleep deprivation reduced the activity of all three enzymes (for Na+/K+-ATPase between HT/SD and HT group p < 0.0001, SD group p < 0.001,CT group p = 0.013; for ecto-ATPases between HT/SD and HT group p = 0.0034, SD group p = 0.0001, CT group p = 0.0007; for AChE between HT/SD and HT group p < 0.05, SD group p < 0.0001, CT group p < 0.0001). Conclusions: The effect of simultaneous existence of hypothyroidism and paradoxical sleep deprivation reduces the activity of the Na+/K+-ATPase, ecto-ATPases, and AChE, what is different from individual effect of hypothyroidism and paradoxical sleep deprivation itself. This knowledge could help in the choice of appropriate therapy in such condition. © 2023 Elsevier B.V.
T2  - Sleep Medicine
T1  - The simultaneous action of acute paradoxical sleep deprivation and hypothyroidism modulates synaptosomal ATPases and acetylcholinesterase activities in rat brain
VL  - 105
SP  - 14
EP  - 20
DO  - 10.1016/j.sleep.2023.03.002
ER  - 

@article{
author = "Todorović, Jasna and Dinčić, Marko and Krstić, Danijela Z. and Čolović, Mirjana B. and Nešović-Ostojić, Jelena and Kovačević, Sanjin and Lopičić, Srđan and Spasić, Svetolik and Brkić, Predrag and Milovanović, Aleksandar",
year = "2023",
abstract = "Background: Thyroid dysfunctions as well as sleep abnormalities are usually followed by neurological, psychiatric and/or behavioral disorders. On the other hand, changes in the brain adenosine triphosphatases (ATPases) and acetylcholinesterase (AChE) activities show significant importance in pathogenetic pathways in the evolution of numerous neuropsychiatric diseases. Methods: This study aimed to evaluate the in vivo simultaneous effects of hypothyroidism and paradoxical sleep deprivation for 72 h on synaptosomalATPases and AChE activities of whole rat brains. In order to induce hypothyroidism, 6-n-propyl-2-thiouracil was administrated in drinking water during 21 days. The modified multiple platform method was used to induce paradoxical sleep deprivation. The AChE and ATPases activities were measured using spectrophotometric methods. Results: Hypothyroidism significantly increased the activity of Na+/K+-ATPase compared to other groups, while at the same time significantly decreased AChE activity compared to the CT and SD groups. Paradoxical sleep deprivation significantly increased AChE activity compared to other groups. The simultaneous effect of hypothyroidism and sleep deprivation reduced the activity of all three enzymes (for Na+/K+-ATPase between HT/SD and HT group p < 0.0001, SD group p < 0.001,CT group p = 0.013; for ecto-ATPases between HT/SD and HT group p = 0.0034, SD group p = 0.0001, CT group p = 0.0007; for AChE between HT/SD and HT group p < 0.05, SD group p < 0.0001, CT group p < 0.0001). Conclusions: The effect of simultaneous existence of hypothyroidism and paradoxical sleep deprivation reduces the activity of the Na+/K+-ATPase, ecto-ATPases, and AChE, what is different from individual effect of hypothyroidism and paradoxical sleep deprivation itself. This knowledge could help in the choice of appropriate therapy in such condition. © 2023 Elsevier B.V.",
journal = "Sleep Medicine",
title = "The simultaneous action of acute paradoxical sleep deprivation and hypothyroidism modulates synaptosomal ATPases and acetylcholinesterase activities in rat brain",
volume = "105",
pages = "14-20",
doi = "10.1016/j.sleep.2023.03.002"
}

Todorović, J., Dinčić, M., Krstić, D. Z., Čolović, M. B., Nešović-Ostojić, J., Kovačević, S., Lopičić, S., Spasić, S., Brkić, P.,& Milovanović, A.. (2023). The simultaneous action of acute paradoxical sleep deprivation and hypothyroidism modulates synaptosomal ATPases and acetylcholinesterase activities in rat brain. in Sleep Medicine, 105, 14-20.
https://doi.org/10.1016/j.sleep.2023.03.002

Todorović J, Dinčić M, Krstić DZ, Čolović MB, Nešović-Ostojić J, Kovačević S, Lopičić S, Spasić S, Brkić P, Milovanović A. The simultaneous action of acute paradoxical sleep deprivation and hypothyroidism modulates synaptosomal ATPases and acetylcholinesterase activities in rat brain. in Sleep Medicine. 2023;105:14-20.
doi:10.1016/j.sleep.2023.03.002 .

Todorović, Jasna, Dinčić, Marko, Krstić, Danijela Z., Čolović, Mirjana B., Nešović-Ostojić, Jelena, Kovačević, Sanjin, Lopičić, Srđan, Spasić, Svetolik, Brkić, Predrag, Milovanović, Aleksandar, "The simultaneous action of acute paradoxical sleep deprivation and hypothyroidism modulates synaptosomal ATPases and acetylcholinesterase activities in rat brain" in Sleep Medicine, 105 (2023):14-20,
https://doi.org/10.1016/j.sleep.2023.03.002 . .

TY  - JOUR
AU  - Dinčić, Marko
AU  - Krstić, Danijela Z.
AU  - Čolović, Mirjana B.
AU  - Nešović Ostojić, Jelena
AU  - Kovačević, Sanjin
AU  - De Luka, Silvio R.
AU  - Đorđević, Drago M.
AU  - Ćirković, Saša
AU  - Brkić, Predrag
AU  - Todorović, Jasna
PY  - 2018
UR  - https://www.tandfonline.com/doi/full/10.1080/09553002.2018.1518611
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7957
AB  - Purpose: It is considered that exposure to static magnetic fields (SMF) may have both detrimental and therapeutic effect, but the mechanism of SMF influence on the living organisms is not well understood. Since the adenosine triphosphatases (ATPases) and acetylcholinesterase (AChE) are involved in both physiological and pathological processes, the modulation of Na+/K+-ATPase, ecto-ATPases and AChE activities, as well as oxidative stress responses were followed in synaptosomes isolated from rats after chronic exposure toward differently oriented SMF. Material and methods: Wistar albino rats were randomly divided into three experimental groups (six animals per group): Up and Down group - exposed to upward and downward oriented SMF, respectively, and Control group. After 50 days, the rats were sacrificed, and synaptosomes were isolated from the whole rat brain and used for testing the enzyme activities and oxidative stress parameters. Results: Chronic exposure to 1 mT SMF significantly increased ATPases, AChE activities, and malondialdehyde (MDA) level in both exposed groups, compared to control values. The significant decrease in synaptosomal catalase activity (1.48 ± 0.17 U/mg protein) induced by exposure to the downward oriented field, compared to those obtained for Control group (2.60 ± 0.29 U/mg protein), and Up group (2.72 ± 0.21 U/mg protein). Conclusions: It could be concluded that chronic exposure to differently oriented SMF increases ATPases and AChE activities in rat synaptosomes. Since brain ATPases and AChE have important roles in the pathogenesis of several neurological diseases, SMF influence on the activity of these enzymes may have potential therapeutic importance. © 2018, Copyright © 2018 Taylor & Francis Group, LLC.
T2  - International Journal of Radiation Biology
T1  - Modulation of rat synaptosomal ATPases and acetylcholinesterase activities induced by chronic exposure to the static magnetic field
VL  - 94
IS  - 11
SP  - 1062
EP  - 1071
DO  - 10.1080/09553002.2018.1518611
ER  - 

@article{
author = "Dinčić, Marko and Krstić, Danijela Z. and Čolović, Mirjana B. and Nešović Ostojić, Jelena and Kovačević, Sanjin and De Luka, Silvio R. and Đorđević, Drago M. and Ćirković, Saša and Brkić, Predrag and Todorović, Jasna",
year = "2018",
abstract = "Purpose: It is considered that exposure to static magnetic fields (SMF) may have both detrimental and therapeutic effect, but the mechanism of SMF influence on the living organisms is not well understood. Since the adenosine triphosphatases (ATPases) and acetylcholinesterase (AChE) are involved in both physiological and pathological processes, the modulation of Na+/K+-ATPase, ecto-ATPases and AChE activities, as well as oxidative stress responses were followed in synaptosomes isolated from rats after chronic exposure toward differently oriented SMF. Material and methods: Wistar albino rats were randomly divided into three experimental groups (six animals per group): Up and Down group - exposed to upward and downward oriented SMF, respectively, and Control group. After 50 days, the rats were sacrificed, and synaptosomes were isolated from the whole rat brain and used for testing the enzyme activities and oxidative stress parameters. Results: Chronic exposure to 1 mT SMF significantly increased ATPases, AChE activities, and malondialdehyde (MDA) level in both exposed groups, compared to control values. The significant decrease in synaptosomal catalase activity (1.48 ± 0.17 U/mg protein) induced by exposure to the downward oriented field, compared to those obtained for Control group (2.60 ± 0.29 U/mg protein), and Up group (2.72 ± 0.21 U/mg protein). Conclusions: It could be concluded that chronic exposure to differently oriented SMF increases ATPases and AChE activities in rat synaptosomes. Since brain ATPases and AChE have important roles in the pathogenesis of several neurological diseases, SMF influence on the activity of these enzymes may have potential therapeutic importance. © 2018, Copyright © 2018 Taylor & Francis Group, LLC.",
journal = "International Journal of Radiation Biology",
title = "Modulation of rat synaptosomal ATPases and acetylcholinesterase activities induced by chronic exposure to the static magnetic field",
volume = "94",
number = "11",
pages = "1062-1071",
doi = "10.1080/09553002.2018.1518611"
}

Dinčić, M., Krstić, D. Z., Čolović, M. B., Nešović Ostojić, J., Kovačević, S., De Luka, S. R., Đorđević, D. M., Ćirković, S., Brkić, P.,& Todorović, J.. (2018). Modulation of rat synaptosomal ATPases and acetylcholinesterase activities induced by chronic exposure to the static magnetic field. in International Journal of Radiation Biology, 94(11), 1062-1071.
https://doi.org/10.1080/09553002.2018.1518611

Dinčić M, Krstić DZ, Čolović MB, Nešović Ostojić J, Kovačević S, De Luka SR, Đorđević DM, Ćirković S, Brkić P, Todorović J. Modulation of rat synaptosomal ATPases and acetylcholinesterase activities induced by chronic exposure to the static magnetic field. in International Journal of Radiation Biology. 2018;94(11):1062-1071.
doi:10.1080/09553002.2018.1518611 .

Dinčić, Marko, Krstić, Danijela Z., Čolović, Mirjana B., Nešović Ostojić, Jelena, Kovačević, Sanjin, De Luka, Silvio R., Đorđević, Drago M., Ćirković, Saša, Brkić, Predrag, Todorović, Jasna, "Modulation of rat synaptosomal ATPases and acetylcholinesterase activities induced by chronic exposure to the static magnetic field" in International Journal of Radiation Biology, 94, no. 11 (2018):1062-1071,
https://doi.org/10.1080/09553002.2018.1518611 . .