Jovanović, Marina

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  • Jovanović, Marina (4)
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Author's Bibliography

Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model

Jelača, Sanja; Drača, Dijana; Dajić Stevanović, Zora; Mijatović, Sanja; Jovanović, Ivan; Jovanović, Marina; Jurišević, Marina; Arsenijević, Nebojša; Maksimović-Ivanić, Danijela

(Wiley‐VCH GmbH, 2021)

TY  - CONF
AU  - Jelača, Sanja
AU  - Drača, Dijana
AU  - Dajić Stevanović, Zora
AU  - Mijatović, Sanja
AU  - Jovanović, Ivan
AU  - Jovanović, Marina
AU  - Jurišević, Marina
AU  - Arsenijević, Nebojša
AU  - Maksimović-Ivanić, Danijela
PY  - 2021
UR  - https://onlinelibrary.wiley.com/toc/15214141/2021/51/S1
UR  - https://radar.ibiss.bg.ac.rs/handle/123456789/4426
AB  - Alchemilla vulgaris L. has long history of usage in folk medicine especially against gynecological problems. Ethnomedicinal reports for the territory of Balkan are mentioning its well 
known biological properties against dysmenorrhea, menopausal complaints, infertility, cysts and endometriosis. Based on ethnomedicinal data on female illnesses, the objective of 
our study was to determine the effect of Alchemilla vulgaris L. ethanol extract against breast cancer cells in vitro and in vivo. Our results have showed remarkable viability decrease 
of mouse (4T1) breast cancer cells in dose‐dependent manner after the treatment with Alchemilla vulgaris L. extract. Strong inhibition of cell prolifertion was observed in treated 
cells. In parallel with this, different types of cell death was found. Certain percentage of 4T1 cells was subjected to programmed cell death‐apoptosis which was followed with caspase 
activation and confirmed by fluorescent microscopy observing tipical morphologicas features of apoptosis in treated culture. Estimation of the presence of autophagosomes shown 
that autophagy contributing  to  the cytotoxicity of the  treatment. Also, enhanced production of ROS and intracellular NO after treatment with Alchemilla vulgaris L. was  found. 
In parallel, metastatic potential of this cells is diminished. Apart from the direct effect of A. Vulgaris L. extract on tumor cells, strong potentiation of antitumor immune responce 
manifested dominantly through enhanced accumulation of activated dendritic cells and subsequently CD8+ T cells in spleen and tumor microenvironment. Above briefly described 
mode of action of Alchemilla vulgaris L. against breast cancer cells makes this plant worthwhile for further evaluation in the field of oncology.
PB  - Wiley‐VCH GmbH
C3  - 6th European Congress of Immunology; 2021 Sep 1-4; Virtual Meeting
T1  - Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model
IS  - Suppl 1
VL  - 51
DO  - 10.1002/eji.202170200
SP  - 351
ER  - 
@conference{
author = "Jelača, Sanja and Drača, Dijana and Dajić Stevanović, Zora and Mijatović, Sanja and Jovanović, Ivan and Jovanović, Marina and Jurišević, Marina and Arsenijević, Nebojša and Maksimović-Ivanić, Danijela",
year = "2021",
abstract = "Alchemilla vulgaris L. has long history of usage in folk medicine especially against gynecological problems. Ethnomedicinal reports for the territory of Balkan are mentioning its well 
known biological properties against dysmenorrhea, menopausal complaints, infertility, cysts and endometriosis. Based on ethnomedicinal data on female illnesses, the objective of 
our study was to determine the effect of Alchemilla vulgaris L. ethanol extract against breast cancer cells in vitro and in vivo. Our results have showed remarkable viability decrease 
of mouse (4T1) breast cancer cells in dose‐dependent manner after the treatment with Alchemilla vulgaris L. extract. Strong inhibition of cell prolifertion was observed in treated 
cells. In parallel with this, different types of cell death was found. Certain percentage of 4T1 cells was subjected to programmed cell death‐apoptosis which was followed with caspase 
activation and confirmed by fluorescent microscopy observing tipical morphologicas features of apoptosis in treated culture. Estimation of the presence of autophagosomes shown 
that autophagy contributing  to  the cytotoxicity of the  treatment. Also, enhanced production of ROS and intracellular NO after treatment with Alchemilla vulgaris L. was  found. 
In parallel, metastatic potential of this cells is diminished. Apart from the direct effect of A. Vulgaris L. extract on tumor cells, strong potentiation of antitumor immune responce 
manifested dominantly through enhanced accumulation of activated dendritic cells and subsequently CD8+ T cells in spleen and tumor microenvironment. Above briefly described 
mode of action of Alchemilla vulgaris L. against breast cancer cells makes this plant worthwhile for further evaluation in the field of oncology.",
publisher = "Wiley‐VCH GmbH",
journal = "6th European Congress of Immunology; 2021 Sep 1-4; Virtual Meeting",
title = "Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model",
number = "Suppl 1",
volume = "51",
doi = "10.1002/eji.202170200",
pages = "351"
}
Jelača, S., Drača, D., Dajić Stevanović, Z., Mijatović, S., Jovanović, I., Jovanović, M., Jurišević, M., Arsenijević, N.,& Maksimović-Ivanić, D.. (2021). Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model. in 6th European Congress of Immunology; 2021 Sep 1-4; Virtual Meeting
Wiley‐VCH GmbH., 51(Suppl 1), 351.
https://doi.org/10.1002/eji.202170200
Jelača S, Drača D, Dajić Stevanović Z, Mijatović S, Jovanović I, Jovanović M, Jurišević M, Arsenijević N, Maksimović-Ivanić D. Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model. in 6th European Congress of Immunology; 2021 Sep 1-4; Virtual Meeting. 2021;51(Suppl 1):351.
doi:10.1002/eji.202170200 .
Jelača, Sanja, Drača, Dijana, Dajić Stevanović, Zora, Mijatović, Sanja, Jovanović, Ivan, Jovanović, Marina, Jurišević, Marina, Arsenijević, Nebojša, Maksimović-Ivanić, Danijela, "Antitumor potential of Alchemilla vulgaris L. in ortotopic mouse breast cancer model" in 6th European Congress of Immunology; 2021 Sep 1-4; Virtual Meeting, 51, no. Suppl 1 (2021):351,
https://doi.org/10.1002/eji.202170200 . .
159
3

Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova

Stevanović, Ivana; Jovanović, Marina; Jelenković, Ankica V.; Bokonjić, D.; Čolić, M.; Stojanović, Ivana; Ninković, Milica

(2009)

TY  - JOUR
AU  - Stevanović, Ivana
AU  - Jovanović, Marina
AU  - Jelenković, Ankica V.
AU  - Bokonjić, D.
AU  - Čolić, M.
AU  - Stojanović, Ivana
AU  - Ninković, Milica
PY  - 2009
PY  - 2009
UR  - https://radar.ibiss.bg.ac.rs/handle/123456789/475
AB  - The present experiment was carried out to determine the effectiveness of nitric oxide synthase (NOS) inhibitor (L-NAME) in elevating the toxicity of AlCl3 on nitrite concentration and acetylcholine esterase activity of Wistar rats. Animals were killed 10 min and 3 days after the treatment and the forebrain cortex and striatum were removed. The results show that AlCl3 exposure promotes oxidative stress in different neural areas. The biochemical changes observed in neuronal tissues show that aluminium acts as a pro-oxidant, while NOS inhibitor exerts as antioxidant action in AlCl3-treated animals. In the present study, active avoidance learning was significantly impaired after AlCl3 injection, while pretreatment with L-NAME prevented the behavioural deficits caused between the 8th and 12th day after intrahippocampal application of neurotoxin. Our data suggest that aluminium may cause learning and memory deficits, while the treatment with L-NAME may decrease the oxidative stress and prevent learning and memory deficits caused by AlCl3.
AB  - U eksperimentu je ispitivana efikasnost inhibitora azot oksid sintaze (NOS)- L-NAME na toksičnost AlCl3 i određivana koncentracija nitrita i aktivnost acetilholin esteraze kod Wistar pacova. Životinje su dekapitovane 10 minuta ili 3 dana nakon tretmana i izolovani su kora prednjeg mozga i strijatum. Rezultati ukazuju da AlCl3 pokreće oksidativni stres u različitim regionima mozga. Biohemijske promene opisane u neuronskom tkivu ukazuju da aluminijum deluje kao prooksidans, dok inhibitor NOS ima antioksidativno dejstvo kod životinja tretiranih AlCl3. Reakcija aktivnog izbegavanja je bila znatno poremećena nakon aplikacije AlCl3, dok se davanjem L-NAME sprečavaju poremećaji ponašanja uzrokovani između 8. i 12. dana posle intrahipokampusne primene neurotoksina. Naši rezultati ukazuju da aluminijum može dovesti do smetnji u procesima učenja i pamćenja, dok tretman sa L-NAME smanjuje oksidativni stres i sprečava promene u učenju i pamćenju uzrokovane AlCl3.
T2  - Acta veterinaria
T1  - Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova
T1  - Effect of L-NAME on AlCl3-induced toxicity in rat brain
IS  - 2-3
VL  - 59
DO  - 10.2298/AVB0903133S
SP  - 133
EP  - 146
UR  - https://hdl.handle.net/21.15107/rcub_ibiss_475
ER  - 
@article{
author = "Stevanović, Ivana and Jovanović, Marina and Jelenković, Ankica V. and Bokonjić, D. and Čolić, M. and Stojanović, Ivana and Ninković, Milica",
year = "2009, 2009",
abstract = "The present experiment was carried out to determine the effectiveness of nitric oxide synthase (NOS) inhibitor (L-NAME) in elevating the toxicity of AlCl3 on nitrite concentration and acetylcholine esterase activity of Wistar rats. Animals were killed 10 min and 3 days after the treatment and the forebrain cortex and striatum were removed. The results show that AlCl3 exposure promotes oxidative stress in different neural areas. The biochemical changes observed in neuronal tissues show that aluminium acts as a pro-oxidant, while NOS inhibitor exerts as antioxidant action in AlCl3-treated animals. In the present study, active avoidance learning was significantly impaired after AlCl3 injection, while pretreatment with L-NAME prevented the behavioural deficits caused between the 8th and 12th day after intrahippocampal application of neurotoxin. Our data suggest that aluminium may cause learning and memory deficits, while the treatment with L-NAME may decrease the oxidative stress and prevent learning and memory deficits caused by AlCl3., U eksperimentu je ispitivana efikasnost inhibitora azot oksid sintaze (NOS)- L-NAME na toksičnost AlCl3 i određivana koncentracija nitrita i aktivnost acetilholin esteraze kod Wistar pacova. Životinje su dekapitovane 10 minuta ili 3 dana nakon tretmana i izolovani su kora prednjeg mozga i strijatum. Rezultati ukazuju da AlCl3 pokreće oksidativni stres u različitim regionima mozga. Biohemijske promene opisane u neuronskom tkivu ukazuju da aluminijum deluje kao prooksidans, dok inhibitor NOS ima antioksidativno dejstvo kod životinja tretiranih AlCl3. Reakcija aktivnog izbegavanja je bila znatno poremećena nakon aplikacije AlCl3, dok se davanjem L-NAME sprečavaju poremećaji ponašanja uzrokovani između 8. i 12. dana posle intrahipokampusne primene neurotoksina. Naši rezultati ukazuju da aluminijum može dovesti do smetnji u procesima učenja i pamćenja, dok tretman sa L-NAME smanjuje oksidativni stres i sprečava promene u učenju i pamćenju uzrokovane AlCl3.",
journal = "Acta veterinaria",
title = "Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova, Effect of L-NAME on AlCl3-induced toxicity in rat brain",
number = "2-3",
volume = "59",
doi = "10.2298/AVB0903133S",
pages = "133-146",
url = "https://hdl.handle.net/21.15107/rcub_ibiss_475"
}
Stevanović, I., Jovanović, M., Jelenković, A. V., Bokonjić, D., Čolić, M., Stojanović, I.,& Ninković, M.. (2009). Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova. in Acta veterinaria, 59(2-3), 133-146.
https://doi.org/10.2298/AVB0903133S
https://hdl.handle.net/21.15107/rcub_ibiss_475
Stevanović I, Jovanović M, Jelenković AV, Bokonjić D, Čolić M, Stojanović I, Ninković M. Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova. in Acta veterinaria. 2009;59(2-3):133-146.
doi:10.2298/AVB0903133S
https://hdl.handle.net/21.15107/rcub_ibiss_475 .
Stevanović, Ivana, Jovanović, Marina, Jelenković, Ankica V., Bokonjić, D., Čolić, M., Stojanović, Ivana, Ninković, Milica, "Efekat L-NAME na AlCl3-indukovanu toksičnost u mozgu pacova" in Acta veterinaria, 59, no. 2-3 (2009):133-146,
https://doi.org/10.2298/AVB0903133S .,
https://hdl.handle.net/21.15107/rcub_ibiss_475 .
4
1
7

Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3

Stevanović, Ivana; Čolić, Miodrag; Jovanović, Marina; Jelenković, Ankica V.; Ninković, Milica I.

(2009)

TY  - JOUR
AU  - Stevanović, Ivana
AU  - Čolić, Miodrag
AU  - Jovanović, Marina
AU  - Jelenković, Ankica V.
AU  - Ninković, Milica I.
PY  - 2009
PY  - 2009
UR  - https://radar.ibiss.bg.ac.rs/handle/123456789/558
AB  - The present study was aimed at determining the effectiveness of nitric oxide synthase (NOS) inhibitors: N-nitro-L-arginine methyl ester, 7-nitroindazole and aminoguanidine in modulating the toxicity of AlCl3 on superoxide production and the malondialdehyde concentration of Wistar rats. The animals were sacrificed 10 min and 3 days after the treatment and the forebrain cortex was removed. The results show that AlCl3 exposure promotes oxidative stress in different neural areas. The biochemical changes observed in the neuronal tissues show that aluminum acts as pro-oxidant, while NOS inhibitors exert an anti-oxidant action in AlCl3-treated animals.
AB  - U eksperimentu je određivana efikasnost inhibitora azot-oksid-sintaze (NOS): metil-estra N-nitro-L-arginina, 7-nitroindazola i aminogvanidina u modulaciji toksičnosti AlCl3 na stvaranje superoksidnog anjona i koncentraciju malondialdehida kod Wistar pacova. Životinje su žrtvovane 10 min i 3 dana nakon tretmana i izolovana je kora velikog mozga. Rezultati pokazuju da izlaganje AlCl3 pokreće oksidativni stres u različitim moždanim regionima. Biohemijske promene opisane u neuronskom tkivu pokazuju da aluminijum deluje kao pro-oksidant, dok inhibitori NOS imaju antioksidativno dejstvo kod životinja tretiranih AlCl3.
T2  - Journal of the Serbian Chemical Society
T1  - Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3
T1  - Effects of various nitric oxide synthase inhibitors on AlCl3-induced neuronal injury in rats
IS  - 5
VL  - 74
SP  - 503
EP  - 511
UR  - https://hdl.handle.net/21.15107/rcub_ibiss_558
ER  - 
@article{
author = "Stevanović, Ivana and Čolić, Miodrag and Jovanović, Marina and Jelenković, Ankica V. and Ninković, Milica I.",
year = "2009, 2009",
abstract = "The present study was aimed at determining the effectiveness of nitric oxide synthase (NOS) inhibitors: N-nitro-L-arginine methyl ester, 7-nitroindazole and aminoguanidine in modulating the toxicity of AlCl3 on superoxide production and the malondialdehyde concentration of Wistar rats. The animals were sacrificed 10 min and 3 days after the treatment and the forebrain cortex was removed. The results show that AlCl3 exposure promotes oxidative stress in different neural areas. The biochemical changes observed in the neuronal tissues show that aluminum acts as pro-oxidant, while NOS inhibitors exert an anti-oxidant action in AlCl3-treated animals., U eksperimentu je određivana efikasnost inhibitora azot-oksid-sintaze (NOS): metil-estra N-nitro-L-arginina, 7-nitroindazola i aminogvanidina u modulaciji toksičnosti AlCl3 na stvaranje superoksidnog anjona i koncentraciju malondialdehida kod Wistar pacova. Životinje su žrtvovane 10 min i 3 dana nakon tretmana i izolovana je kora velikog mozga. Rezultati pokazuju da izlaganje AlCl3 pokreće oksidativni stres u različitim moždanim regionima. Biohemijske promene opisane u neuronskom tkivu pokazuju da aluminijum deluje kao pro-oksidant, dok inhibitori NOS imaju antioksidativno dejstvo kod životinja tretiranih AlCl3.",
journal = "Journal of the Serbian Chemical Society",
title = "Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3, Effects of various nitric oxide synthase inhibitors on AlCl3-induced neuronal injury in rats",
number = "5",
volume = "74",
pages = "503-511",
url = "https://hdl.handle.net/21.15107/rcub_ibiss_558"
}
Stevanović, I., Čolić, M., Jovanović, M., Jelenković, A. V.,& Ninković, M. I.. (2009). Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3. in Journal of the Serbian Chemical Society, 74(5), 503-511.
https://hdl.handle.net/21.15107/rcub_ibiss_558
Stevanović I, Čolić M, Jovanović M, Jelenković AV, Ninković MI. Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3. in Journal of the Serbian Chemical Society. 2009;74(5):503-511.
https://hdl.handle.net/21.15107/rcub_ibiss_558 .
Stevanović, Ivana, Čolić, Miodrag, Jovanović, Marina, Jelenković, Ankica V., Ninković, Milica I., "Efekti različitih inhibitora azot-oksid-sintaze na oštećenje neurona izazvano AlCl3" in Journal of the Serbian Chemical Society, 74, no. 5 (2009):503-511,
https://hdl.handle.net/21.15107/rcub_ibiss_558 .

Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali

Maksimović, M.; Jelenković, Ankica V.; Jovanović, Marina; Ninković, Milica; Bošković, Bogdan

(2005)

TY  - JOUR
AU  - Maksimović, M.
AU  - Jelenković, Ankica V.
AU  - Jovanović, Marina
AU  - Ninković, Milica
AU  - Bošković, Bogdan
PY  - 2005
PY  - 2005
UR  - https://radar.ibiss.bg.ac.rs/handle/123456789/471
AB  - It is expected that clinical recovery after surgically induced brain trauma is followed by molecular and biochemical restitution. Seven days after surgery, we investigated whether the plastic cannula implanted in the left brain ventricle of adult Wistar rats (n = 6-7), performed in pentobarbital anesthesia, could influence oxidative stress elements (superoxide anion and lipid peroxidation), as well as the antioxidative system (superoxide dismuthase-SOD). Also, we investigated whether nitric oxide (NO) is involved in these processes. Biochemical analyses was performed in the forebrain cortex, striatum and hippocampus. Clinical recovery was complete seven days after surgery. Thereafter, thirty minutes before decapitation, through the cannula, one group of rats received saline intracerebroventricularly (control group), and the treated group received Nω-nitro-L-arginine methyl ester (L-NAME). The third group was left unoperated and untreated. Before and after the treatments, rectal body temperature was measured. Compared to the untreated group the index of lipid peroxidation was increased in all three brain structures in the group that received saline (p<0.05 to 0.01). Application of L-NAME deteriorated it in the striatum and hippocampus (p<0.01 compared to the both other groups), but the value in the forebrain cortex was similar to the untreated group. Supeoxide anion level was decreased in the L-NAME treated group only in the striatum (p<0.01 compared to control and untreated groups), but SOD was increased in the hippocampus compared to the saline treated group (p<0.05). Seven days after brain surgery in pentobarbital anesthesia, recovery of biochemical disturbances was not parallel to clinical recovery. Long lasting biochemical changes are rather the consequence of brain injury than to pentobarbital anesthesia. In this experimental model, NO had protective effects, acting against lipid per oxidation in the striatum and hippocampus, but not in the forebrain cortex i. e. NO involvement in the free radical processes strongly depends on the observed brain region.
AB  - Posle hirurške intervencije na mozgu, očekuje se paralelizam između kliničkog, sa jedne strane, i molekulskog i biohemijskog oporavka, sa druge strane. Da bi to utvrdili, u tri moždane strukture (kora prednjeg mozga strijatum, hipokampus) odraslih Vistar pacova muškog pola, ispitivali smo promene pojedinih prooksidativnih i antioksdativnih parametara, nastalih posle usađivanja plastične kanile u bočnu komoru mozga, kroz koju su ubrizgavane ispitivane supstance (10pi). Kao opšti anestetik korišćen je pentobarbiton natrijum (0,045 g/kg). Eksperiment je nastavljen sedam dana posle operacije, kada su pacovi bili klinički potpuno oporavljeni. Pre ubrizgavanja 0,9% NaCI jednoj grupi (kontrola) i Nω-nitro-L-arginin metil estra (L-NAME, 10 mikrograma, rastvoren u 0,9% NaCI) drugoj grupi, kao i 30 minuta posle toga, merena je rektalna temperatura kod sve tri grupe pacova (treću su činili intaktni pacovi, 6-7 pacova u svakoj grupi). Porast indeksa lipidne peroksidacije u sve tri moždane strukture operisanih pacova koji su dobili NaCI bio je statistički značajan u odnosu na intaktnu grupu. Ubrizgavanjem L-NAME, ove promene su u strijatumu i hipokampusu postale statistički još izraženije u odnosu na grupu koja je dobila NaCI, dok je u kori prednjeg mozga registrovan sasvim slab porast u odnosu na intaktnu grupu. Istovremeno, ometanje sinteze NO bilo je praćeno statistički značajnim padom superoksidnog radikala u strijatumu u odnosu na obe grupe, i porastom superoksid dizmutaze u hipokampusu u odnosu na grupu koja je dobila NaCI. Telesna temperature je bila normalna kod svih pacova u oba vremena merenja. Dokazano je da ne postoji paralelizam između kliničkog i biohemijskog oporavka posle operacije na mozgu pacova, izvedene u opštoj anesteziji uz primenu pentobarbitona. To je ispoljeno pojačanom lipidnom peroksidacijom sedam dana posle operacije u sve tri ispitivane strukture mozga koji su dobili NaCI. Porast lipidne peroksidacije je najverovatnije posledica mehaničkog oštećenja izazvanog operacijom, pre nego same anestezije. U ovim procesima, NO ima značajnu regulatornu ulogu, pri čemu njegovi efekti nisu podjednako ispoljeni u svim delovima mozga. Njegova snažna antioksidativna svojstva registruju se u hipokampusu i strijatumu ali ne i u kori prednjeg mozga, što govori u prilog selektivne osetljivosti mozga.
T2  - Acta veterinaria
T1  - Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali
T1  - Total anesthesia, rats brain surgery, nitric oxide (NO) and free radicals
IS  - 5-6
VL  - 55
SP  - 375
EP  - 383
UR  - https://hdl.handle.net/21.15107/rcub_ibiss_471
ER  - 
@article{
author = "Maksimović, M. and Jelenković, Ankica V. and Jovanović, Marina and Ninković, Milica and Bošković, Bogdan",
year = "2005, 2005",
abstract = "It is expected that clinical recovery after surgically induced brain trauma is followed by molecular and biochemical restitution. Seven days after surgery, we investigated whether the plastic cannula implanted in the left brain ventricle of adult Wistar rats (n = 6-7), performed in pentobarbital anesthesia, could influence oxidative stress elements (superoxide anion and lipid peroxidation), as well as the antioxidative system (superoxide dismuthase-SOD). Also, we investigated whether nitric oxide (NO) is involved in these processes. Biochemical analyses was performed in the forebrain cortex, striatum and hippocampus. Clinical recovery was complete seven days after surgery. Thereafter, thirty minutes before decapitation, through the cannula, one group of rats received saline intracerebroventricularly (control group), and the treated group received Nω-nitro-L-arginine methyl ester (L-NAME). The third group was left unoperated and untreated. Before and after the treatments, rectal body temperature was measured. Compared to the untreated group the index of lipid peroxidation was increased in all three brain structures in the group that received saline (p<0.05 to 0.01). Application of L-NAME deteriorated it in the striatum and hippocampus (p<0.01 compared to the both other groups), but the value in the forebrain cortex was similar to the untreated group. Supeoxide anion level was decreased in the L-NAME treated group only in the striatum (p<0.01 compared to control and untreated groups), but SOD was increased in the hippocampus compared to the saline treated group (p<0.05). Seven days after brain surgery in pentobarbital anesthesia, recovery of biochemical disturbances was not parallel to clinical recovery. Long lasting biochemical changes are rather the consequence of brain injury than to pentobarbital anesthesia. In this experimental model, NO had protective effects, acting against lipid per oxidation in the striatum and hippocampus, but not in the forebrain cortex i. e. NO involvement in the free radical processes strongly depends on the observed brain region., Posle hirurške intervencije na mozgu, očekuje se paralelizam između kliničkog, sa jedne strane, i molekulskog i biohemijskog oporavka, sa druge strane. Da bi to utvrdili, u tri moždane strukture (kora prednjeg mozga strijatum, hipokampus) odraslih Vistar pacova muškog pola, ispitivali smo promene pojedinih prooksidativnih i antioksdativnih parametara, nastalih posle usađivanja plastične kanile u bočnu komoru mozga, kroz koju su ubrizgavane ispitivane supstance (10pi). Kao opšti anestetik korišćen je pentobarbiton natrijum (0,045 g/kg). Eksperiment je nastavljen sedam dana posle operacije, kada su pacovi bili klinički potpuno oporavljeni. Pre ubrizgavanja 0,9% NaCI jednoj grupi (kontrola) i Nω-nitro-L-arginin metil estra (L-NAME, 10 mikrograma, rastvoren u 0,9% NaCI) drugoj grupi, kao i 30 minuta posle toga, merena je rektalna temperatura kod sve tri grupe pacova (treću su činili intaktni pacovi, 6-7 pacova u svakoj grupi). Porast indeksa lipidne peroksidacije u sve tri moždane strukture operisanih pacova koji su dobili NaCI bio je statistički značajan u odnosu na intaktnu grupu. Ubrizgavanjem L-NAME, ove promene su u strijatumu i hipokampusu postale statistički još izraženije u odnosu na grupu koja je dobila NaCI, dok je u kori prednjeg mozga registrovan sasvim slab porast u odnosu na intaktnu grupu. Istovremeno, ometanje sinteze NO bilo je praćeno statistički značajnim padom superoksidnog radikala u strijatumu u odnosu na obe grupe, i porastom superoksid dizmutaze u hipokampusu u odnosu na grupu koja je dobila NaCI. Telesna temperature je bila normalna kod svih pacova u oba vremena merenja. Dokazano je da ne postoji paralelizam između kliničkog i biohemijskog oporavka posle operacije na mozgu pacova, izvedene u opštoj anesteziji uz primenu pentobarbitona. To je ispoljeno pojačanom lipidnom peroksidacijom sedam dana posle operacije u sve tri ispitivane strukture mozga koji su dobili NaCI. Porast lipidne peroksidacije je najverovatnije posledica mehaničkog oštećenja izazvanog operacijom, pre nego same anestezije. U ovim procesima, NO ima značajnu regulatornu ulogu, pri čemu njegovi efekti nisu podjednako ispoljeni u svim delovima mozga. Njegova snažna antioksidativna svojstva registruju se u hipokampusu i strijatumu ali ne i u kori prednjeg mozga, što govori u prilog selektivne osetljivosti mozga.",
journal = "Acta veterinaria",
title = "Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali, Total anesthesia, rats brain surgery, nitric oxide (NO) and free radicals",
number = "5-6",
volume = "55",
pages = "375-383",
url = "https://hdl.handle.net/21.15107/rcub_ibiss_471"
}
Maksimović, M., Jelenković, A. V., Jovanović, M., Ninković, M.,& Bošković, B.. (2005). Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali. in Acta veterinaria, 55(5-6), 375-383.
https://hdl.handle.net/21.15107/rcub_ibiss_471
Maksimović M, Jelenković AV, Jovanović M, Ninković M, Bošković B. Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali. in Acta veterinaria. 2005;55(5-6):375-383.
https://hdl.handle.net/21.15107/rcub_ibiss_471 .
Maksimović, M., Jelenković, Ankica V., Jovanović, Marina, Ninković, Milica, Bošković, Bogdan, "Opšta anestezija, operacija na mozgu pacova, azot oksid (NO) i slobodni radikali" in Acta veterinaria, 55, no. 5-6 (2005):375-383,
https://hdl.handle.net/21.15107/rcub_ibiss_471 .