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The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain

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2007
Authors
Tomić, Maja
Vučković, Sonja M.
Stepanović-Petrović, Radica
Ugrešić, Nenad
Paranos, Sonja
Prostran, Milica
Bošković, Bogdan
Article (Published version)
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Abstract
We studied whether peripheral alpha(2)-adrenergic receptors are involved in the antihyperalgesic effects of oxcarbazepine by examining the effects of yohimbine (selective alpha(2)-adrenoceptor antagonist), BRL 44408 (selective alpha(2A)- adrenoceptor antagonist), MK-912 (selective alpha(2C)-adrenoceptor antagonist), and clonidine (alpha(2)-adrenoceptor agonist) on the antihyperalgesic effect of oxcarbazepine in the rat model of inflammatory pain. METHODS: Rats were intraplantarly (i.pl.) injected with the proinflammatory compound concanavalin A (Con A). A paw-pressure test was used to determine: 1) the development of hyperalgesia induced by Con A; 2) the effects of oxcarbazepine (i.pl.) on Con A-induced hyperalgesia; and 3) the effects of i.pl. yohimbine, BRL 44408, MK-912 and clonidine on the oxcarbazepine antihyperalgesia. RESULTS: Both oxcarbazepine (1000-3000 nmol/paw; i.pl.) and clonidine (1.9-7.5 nmol/paw; i.pl.) produced a significant dose-dependent reduction of the paw inflamma...tory hyperalgesia induced by Con A. Yohimbine (260 and 520 nmol/paw; i.. pl.), BRL44408 (100 and 200 nmol/paw,-i.pl.),and MK-912 (10and 20 nmol/paw;i.pl.) significantly depressed the antihyperalgesic effects of oxcarbazepine (2000 nmol/pav\T,I i.pl.) in a close-dependent mariner. The effects of antagonists were due to local effects since they were not observed after admirdstration into the contralateral hindpaw. Oxcarbazepine and clonidine administered jointly in fixed-dose fractions of the ED50 (1/4, 1/2, and 3/4) caused significant and dose-dependent reduction of hyperalgesia induced by Con A. lsobolographic analysis revealed an additive antihyperalgesic effect. CONCLUSIONS: Our results indicate that the peripheral a,A and a,c adrenoceptors could be involved in the antihyperalgesic effects of oxcarbazepine in a rat model of inflammatory hyperalgesia. (Anesth Analg 2007;105:1474-81)

Source:
Anesthesia and Analgesia, 2007, 105, 5, 1474-1481
Publisher:
  • Lippincott Williams & Wilkins, Philadelphia
Funding / projects:
  • Eksperimentalna i kliničko-farmakološka istraživanja mehanizma dejstva i interakcija lekova u nervnom i kardiovaskularnom sistemu (RS-145001)
  • Ispitivanje mehanizma dejstva, interakcija i toksičnih efekata analgetika kao i vazoaktivnih supstanci (RS-145030)

DOI: 10.1213/01.ane.0000287270.35176.3e

ISSN: 0003-2999

PubMed: 17959985

WoS: 000250317500049

Scopus: 2-s2.0-37349011809
[ Google Scholar ]
9
9
URI
https://farfar.pharmacy.bg.ac.rs/handle/123456789/983
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Pharmacy
TY  - JOUR
AU  - Tomić, Maja
AU  - Vučković, Sonja M.
AU  - Stepanović-Petrović, Radica
AU  - Ugrešić, Nenad
AU  - Paranos, Sonja
AU  - Prostran, Milica
AU  - Bošković, Bogdan
PY  - 2007
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/983
AB  - We studied whether peripheral alpha(2)-adrenergic receptors are involved in the antihyperalgesic effects of oxcarbazepine by examining the effects of yohimbine (selective alpha(2)-adrenoceptor antagonist), BRL 44408 (selective alpha(2A)- adrenoceptor antagonist), MK-912 (selective alpha(2C)-adrenoceptor antagonist), and clonidine (alpha(2)-adrenoceptor agonist) on the antihyperalgesic effect of oxcarbazepine in the rat model of inflammatory pain. METHODS: Rats were intraplantarly (i.pl.) injected with the proinflammatory compound concanavalin A (Con A). A paw-pressure test was used to determine: 1) the development of hyperalgesia induced by Con A; 2) the effects of oxcarbazepine (i.pl.) on Con A-induced hyperalgesia; and 3) the effects of i.pl. yohimbine, BRL 44408, MK-912 and clonidine on the oxcarbazepine antihyperalgesia. RESULTS: Both oxcarbazepine (1000-3000 nmol/paw; i.pl.) and clonidine (1.9-7.5 nmol/paw; i.pl.) produced a significant dose-dependent reduction of the paw inflammatory hyperalgesia induced by Con A. Yohimbine (260 and 520 nmol/paw; i.. pl.), BRL44408 (100 and 200 nmol/paw,-i.pl.),and MK-912 (10and 20 nmol/paw;i.pl.) significantly depressed the antihyperalgesic effects of oxcarbazepine (2000 nmol/pav\T,I i.pl.) in a close-dependent mariner. The effects of antagonists were due to local effects since they were not observed after admirdstration into the contralateral hindpaw. Oxcarbazepine and clonidine administered jointly in fixed-dose fractions of the ED50 (1/4, 1/2, and 3/4) caused significant and dose-dependent reduction of hyperalgesia induced by Con A. lsobolographic analysis revealed an additive antihyperalgesic effect. CONCLUSIONS: Our results indicate that the peripheral a,A and a,c adrenoceptors could be involved in the antihyperalgesic effects of oxcarbazepine in a rat model of inflammatory hyperalgesia. (Anesth Analg 2007;105:1474-81)
PB  - Lippincott Williams & Wilkins, Philadelphia
T2  - Anesthesia and Analgesia
T1  - The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain
VL  - 105
IS  - 5
SP  - 1474
EP  - 1481
DO  - 10.1213/01.ane.0000287270.35176.3e
ER  - 
@article{
author = "Tomić, Maja and Vučković, Sonja M. and Stepanović-Petrović, Radica and Ugrešić, Nenad and Paranos, Sonja and Prostran, Milica and Bošković, Bogdan",
year = "2007",
abstract = "We studied whether peripheral alpha(2)-adrenergic receptors are involved in the antihyperalgesic effects of oxcarbazepine by examining the effects of yohimbine (selective alpha(2)-adrenoceptor antagonist), BRL 44408 (selective alpha(2A)- adrenoceptor antagonist), MK-912 (selective alpha(2C)-adrenoceptor antagonist), and clonidine (alpha(2)-adrenoceptor agonist) on the antihyperalgesic effect of oxcarbazepine in the rat model of inflammatory pain. METHODS: Rats were intraplantarly (i.pl.) injected with the proinflammatory compound concanavalin A (Con A). A paw-pressure test was used to determine: 1) the development of hyperalgesia induced by Con A; 2) the effects of oxcarbazepine (i.pl.) on Con A-induced hyperalgesia; and 3) the effects of i.pl. yohimbine, BRL 44408, MK-912 and clonidine on the oxcarbazepine antihyperalgesia. RESULTS: Both oxcarbazepine (1000-3000 nmol/paw; i.pl.) and clonidine (1.9-7.5 nmol/paw; i.pl.) produced a significant dose-dependent reduction of the paw inflammatory hyperalgesia induced by Con A. Yohimbine (260 and 520 nmol/paw; i.. pl.), BRL44408 (100 and 200 nmol/paw,-i.pl.),and MK-912 (10and 20 nmol/paw;i.pl.) significantly depressed the antihyperalgesic effects of oxcarbazepine (2000 nmol/pav\T,I i.pl.) in a close-dependent mariner. The effects of antagonists were due to local effects since they were not observed after admirdstration into the contralateral hindpaw. Oxcarbazepine and clonidine administered jointly in fixed-dose fractions of the ED50 (1/4, 1/2, and 3/4) caused significant and dose-dependent reduction of hyperalgesia induced by Con A. lsobolographic analysis revealed an additive antihyperalgesic effect. CONCLUSIONS: Our results indicate that the peripheral a,A and a,c adrenoceptors could be involved in the antihyperalgesic effects of oxcarbazepine in a rat model of inflammatory hyperalgesia. (Anesth Analg 2007;105:1474-81)",
publisher = "Lippincott Williams & Wilkins, Philadelphia",
journal = "Anesthesia and Analgesia",
title = "The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain",
volume = "105",
number = "5",
pages = "1474-1481",
doi = "10.1213/01.ane.0000287270.35176.3e"
}
Tomić, M., Vučković, S. M., Stepanović-Petrović, R., Ugrešić, N., Paranos, S., Prostran, M.,& Bošković, B.. (2007). The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain. in Anesthesia and Analgesia
Lippincott Williams & Wilkins, Philadelphia., 105(5), 1474-1481.
https://doi.org/10.1213/01.ane.0000287270.35176.3e
Tomić M, Vučković SM, Stepanović-Petrović R, Ugrešić N, Paranos S, Prostran M, Bošković B. The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain. in Anesthesia and Analgesia. 2007;105(5):1474-1481.
doi:10.1213/01.ane.0000287270.35176.3e .
Tomić, Maja, Vučković, Sonja M., Stepanović-Petrović, Radica, Ugrešić, Nenad, Paranos, Sonja, Prostran, Milica, Bošković, Bogdan, "The involvement of peripheral alpha(2)-adrenoceptors in the antihyperalgesic effect of oxcarbazepine in a rat model of inflammatory pain" in Anesthesia and Analgesia, 105, no. 5 (2007):1474-1481,
https://doi.org/10.1213/01.ane.0000287270.35176.3e . .

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