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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Obesity is a complex disease involving genetic components and environmental factors and probably associated with the dysregulation of central homeostasis normally maintained by the hypothalamic neuroendocrine/neurotransmitter network. We previously reported that canine distemper virus (CDV), which is closely related to human measles virus, can target hypothalamic nuclei, and lead to obesity syndrome in the late stages of infection. Here, using differential display PCR, we demonstrate specific down-regulation of melanin-concentrating hormone precursor mRNA (ppMCH) in infected-obese mice. Although ppMCH was down-regulated in all infected mice during the acute stage of infection, this was only seen during the late stage of infection in infected-obese mice. In addition, ppMCH mRNA and protein expression in the lateral hypothalamus was decreased in the absence of neuronal death. These results show the importance of ppMCH in the establishment and maintenance of obesity and the involvement of a virus as an environmental factor.
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PMID:Down regulation of melanin concentrating hormone in virally induced obesity. 1147 54