Abstract：
:The effects of hypergravity on the gene expression of the hypothalamic feeding-related neuropeptides in sham-operated (Sham) and vestibular-lesioned (VL) mice were examined by in situ hybridization histochemistry. Corticotrophin-releasing hormone (CRH) in the paraventricular nucleus was increased significantly in Sham but not in VL mice after 3 days of exposure to a 2 g environment compared with a 1 g environment. Significant decreases in pro-opiomelanocortin (POMC) and cocaine- and amphetamine-regulated transcript and significant increases in neuropeptide Y, agouti-related protein in the arcuate nucleus and orexin in the lateral hypothalamic area were observed in both Sham and VL mice. After 2 weeks of exposure, CRH and POMC were increased significantly in Sham but not in VL mice. After 8 weeks of exposure, the hypothalamic feeding-related neuropeptides were comparable between Sham and VL mice. These results suggest that the hypothalamic feeding-related neuropeptides may be affected during the exposed duration of hypergravity via vestibular inputs.
journal_name
Peptidesjournal_title
Peptidesauthors
Sonoda S,Yoshimura M,Abe C,Morita H,Ueno H,Motojima Y,Saito R,Maruyama T,Hashimoto H,Tanaka Y,Ueta Ydoi
10.1016/j.peptides.2018.05.004subject
Has Abstractpub_date
2018-07-01 00:00:00pages
14-20eissn
0196-9781issn
1873-5169pii
S0196-9781(18)30102-5journal_volume
105pub_type
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