Volchegorskii I A, Miroshnichenko I Yu, Rassokhina L M, Faizullin R M, Pryakhina K E
Ross Fiziol Zh Im I M Sechenova. 2016 Nov;102(11):1312-22.
We performed a comparative study of the effect of original domestic derivatives of 3-oxypyri-dine and succinic acid (emoxipine, reamberin and mexidol) on measures from «sucrose preferen-ce» test which is used for assessment of hedonic behavior in rats. а-lipoic acid (а-LA) and amit-riptylin were used as reference medications. For the modeling of anhedonia rats received dexa-methasone (5 mg/kg subcutaneously). We established that threefold administration of emoxipine, reamberin and mexidol in doses that are equivalent to therapeutic range in humans had antianhe-donic effect and increased the measures of «preference» and absolute sucrose consumption. This effect was demonstrated in animals that did not receive dexamethasone as well as in rats with dexamethasone-induced anhedonia. Maximal intensity of antianhedonic effect of 3-oxypyridine and succinic acid derivatives was noted after the previous administration of dexamethasone. In rats that did not receive dexamethasone, succinate-containing medications (reamberin and mexidol) exceeded the isolated 3-oxypyridine derivative (emoxipine) in their antianhedonic potential. In case of previous dexamethasone administration 3-oxypyridine and succinic acid derivatives demonstrated equivalent antianhedonic effect that exceeded the effect of reference medications (а-LA and amitriptylin).
