Arecoline ameliorates hyperthyroid condition in mice under cold stress.

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Arecoline ameliorates hyperthyroid condition in mice under cold stress.

Arch Physiol Biochem. 2017 Dec 26;:1-6

Authors: Dasgupta R, Saha I, Maity A, Ray PP, Maiti BR

Abstract
Betel nut of Areca catechu is chewed by millions of people for increased capacity to work and stress reduction, but it contains arecoline that causes hypothyroidism. The aim is to investigate the role of arecoline on thyroid activity in cold stress in mice. Arecoline treatment (10 mg/kg body wt/day, for 7 d) caused a reduction in thyroid weight and ultrastructural degeneration of thyro-follicular cells with depletion of T3 and T4 levels compared with the control mice. Cold stress (4 °C for 2 h, twice daily, for 7 d) stimulated thyroid activity ultrastructurally with an elevation of T3 and T4 levels. Arecoline treatment in cold stress suppressed thyroid activity by showing reversed changes to those of cold stress. In contrast, TSH concentrations were consistently increased under all experimental conditions. The findings suggest that cold stress causes hyperthyroidism which arecoline can ameliorate in mice.

PMID: 29278926 [PubMed - as supplied by publisher]

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