Involvement of the serotonergic cerebral system in microwave-induced analgesia in mice of different genotypes

Author: Bagatskaya, E.¹

Source: Neurophysiology, Volume 38, Numbers 5-6, September 2006 , pp. 424-426(3)

Publisher: Springer

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Abstract:

Under conditions of the formalin test, we studied changes in the level of analgesia induced by the action of low-intensity microwaves on the antinociceptive acupuncture point (AP) E36 in mice of strains CBA/CaLac (CBA) and C57BL/6j (C57) and in albino mongrel mice. Measurements were performed under control conditions and with experimentally induced decrease in the serotonin level in the brain (by injections of DL-parachlorophenylalanine, p-CPA). In the latter cases, the duration of the pain behavioral reaction increased despite irradiation of the AP E36. In mongrel, CBA, and C57 mice, the intensity of pain manifestations was 114.4, 29.0, and 21.1% greater, respectively, than in mice of these groups with no injections of p-CPA. These facts show that the serotonergic brain system is profoundly involved in the formation of analgesia after irradiation of the AP by low-intensity microwaves, and this involvement significantly depends on the genotype of the animals.

Keywords: pure strains; low-intensity microwaves; acupuncture points; analgesia; DL-parachlorophe nylalanine

Document Type: Research article

DOI: 10.1007/s11062-006-0081-3

Affiliations: 1: Email: bagatskaya@biph.kiev.ua

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