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The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide

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2011
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Аутори
Đikić, Dragoslava
Budeč, Mirela
Vranješ-Đurić, Sanja
Koko, Vesna
Vignjević, Sanja
Mitrović, Olivera
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Апстракт
Aims: The present study was designed to investigate a possible role of endogenous nitric oxide (NO) in the adrenal response to an acute alcohol administration in female rats. To this end, N(omega)-nitro-l-arginine-methyl ester (l-NAME), a competitive inhibitor of all isoforms of NO synthase, was used. Methods: Adult female Wistar rats showing diestrus Day 1 were treated with: (a) ethanol (2 or 4 g/kg, intraperitoneally); (b) l-NAME (30 or 50 mg/kg, subcutaneously) followed by either ethanol or saline 3 h later. Untreated and saline-injected rats were used as controls. The animals were killed 30 min after last injection. Adrenal cortex was analyzed morphometrically, and plasma levels of adrenocorticotropic hormone (ACTH) and serum concentrations of corticosterone were determined. Results: Acute ethanol treatment enhanced the levels of ACTH and corticosterone in a dose-dependent manner. Stereological analysis revealed that acute alcohol administration induced a significant increase in ab...solute volume of the cortex and the zona fasciculata (ZF). In addition, ethanol at a dose of 4 g/kg increased volume density and length of the capillaries in the ZF. However, other stereological parameters were unaffected by alcohol exposure. Pretreatment with both doses of l-NAME had no effect on ethanol-induced changes. Conclusion: Obtained findings indicate that acute ethanol treatment stimulates the activity of the adrenal cortex and that this effect is not mediated by endogenous NO in female rats under these experimental conditions.

Извор:
Alcohol & Alcoholism, 2011, 46, 5, 523-528
Издавач:
  • Oxford Univ Press, Oxford
Финансирање / пројекти:
  • Испитивање патогенезе хематолошких малигнитета (RS-175053)

DOI: 10.1093/alcalc/agr054

ISSN: 0735-0414

PubMed: 21610084

WoS: 000294066300003

Scopus: 2-s2.0-80051978015
[ Google Scholar ]
4
3
URI
http://rimi.imi.bg.ac.rs/handle/123456789/335
Колекције
  • Radovi istraživača / Researchers' publications
Институција/група
Institut za medicinska istraživanja
TY  - JOUR
AU  - Đikić, Dragoslava
AU  - Budeč, Mirela
AU  - Vranješ-Đurić, Sanja
AU  - Koko, Vesna
AU  - Vignjević, Sanja
AU  - Mitrović, Olivera
PY  - 2011
UR  - http://rimi.imi.bg.ac.rs/handle/123456789/335
AB  - Aims: The present study was designed to investigate a possible role of endogenous nitric oxide (NO) in the adrenal response to an acute alcohol administration in female rats. To this end, N(omega)-nitro-l-arginine-methyl ester (l-NAME), a competitive inhibitor of all isoforms of NO synthase, was used. Methods: Adult female Wistar rats showing diestrus Day 1 were treated with: (a) ethanol (2 or 4 g/kg, intraperitoneally); (b) l-NAME (30 or 50 mg/kg, subcutaneously) followed by either ethanol or saline 3 h later. Untreated and saline-injected rats were used as controls. The animals were killed 30 min after last injection. Adrenal cortex was analyzed morphometrically, and plasma levels of adrenocorticotropic hormone (ACTH) and serum concentrations of corticosterone were determined. Results: Acute ethanol treatment enhanced the levels of ACTH and corticosterone in a dose-dependent manner. Stereological analysis revealed that acute alcohol administration induced a significant increase in absolute volume of the cortex and the zona fasciculata (ZF). In addition, ethanol at a dose of 4 g/kg increased volume density and length of the capillaries in the ZF. However, other stereological parameters were unaffected by alcohol exposure. Pretreatment with both doses of l-NAME had no effect on ethanol-induced changes. Conclusion: Obtained findings indicate that acute ethanol treatment stimulates the activity of the adrenal cortex and that this effect is not mediated by endogenous NO in female rats under these experimental conditions.
PB  - Oxford Univ Press, Oxford
T2  - Alcohol & Alcoholism
T1  - The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide
EP  - 528
IS  - 5
SP  - 523
VL  - 46
DO  - 10.1093/alcalc/agr054
ER  - 
@article{
author = "Đikić, Dragoslava and Budeč, Mirela and Vranješ-Đurić, Sanja and Koko, Vesna and Vignjević, Sanja and Mitrović, Olivera",
year = "2011",
abstract = "Aims: The present study was designed to investigate a possible role of endogenous nitric oxide (NO) in the adrenal response to an acute alcohol administration in female rats. To this end, N(omega)-nitro-l-arginine-methyl ester (l-NAME), a competitive inhibitor of all isoforms of NO synthase, was used. Methods: Adult female Wistar rats showing diestrus Day 1 were treated with: (a) ethanol (2 or 4 g/kg, intraperitoneally); (b) l-NAME (30 or 50 mg/kg, subcutaneously) followed by either ethanol or saline 3 h later. Untreated and saline-injected rats were used as controls. The animals were killed 30 min after last injection. Adrenal cortex was analyzed morphometrically, and plasma levels of adrenocorticotropic hormone (ACTH) and serum concentrations of corticosterone were determined. Results: Acute ethanol treatment enhanced the levels of ACTH and corticosterone in a dose-dependent manner. Stereological analysis revealed that acute alcohol administration induced a significant increase in absolute volume of the cortex and the zona fasciculata (ZF). In addition, ethanol at a dose of 4 g/kg increased volume density and length of the capillaries in the ZF. However, other stereological parameters were unaffected by alcohol exposure. Pretreatment with both doses of l-NAME had no effect on ethanol-induced changes. Conclusion: Obtained findings indicate that acute ethanol treatment stimulates the activity of the adrenal cortex and that this effect is not mediated by endogenous NO in female rats under these experimental conditions.",
publisher = "Oxford Univ Press, Oxford",
journal = "Alcohol & Alcoholism",
title = "The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide",
pages = "528-523",
number = "5",
volume = "46",
doi = "10.1093/alcalc/agr054"
}
Đikić, D., Budeč, M., Vranješ-Đurić, S., Koko, V., Vignjević, S.,& Mitrović, O.. (2011). The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide. in Alcohol & Alcoholism
Oxford Univ Press, Oxford., 46(5), 523-528.
https://doi.org/10.1093/alcalc/agr054
Đikić D, Budeč M, Vranješ-Đurić S, Koko V, Vignjević S, Mitrović O. The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide. in Alcohol & Alcoholism. 2011;46(5):523-528.
doi:10.1093/alcalc/agr054 .
Đikić, Dragoslava, Budeč, Mirela, Vranješ-Đurić, Sanja, Koko, Vesna, Vignjević, Sanja, Mitrović, Olivera, "The Acute Effect of Ethanol on Adrenal Cortex in Female Rats-Possible Role of Nitric Oxide" in Alcohol & Alcoholism, 46, no. 5 (2011):523-528,
https://doi.org/10.1093/alcalc/agr054 . .

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