{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T19:32:16Z","timestamp":1768505536278,"version":"3.49.0"},"posted":{"date-parts":[[2023,3,16]]},"group-title":"Physiology","reference-count":58,"publisher":"openRxiv","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2024,3,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>\n                  Mammalian hibernators survive prolonged periods of cold and resource scarcity by temporarily modulating normal physiological functions, but the mechanisms underlying these adaptations are poorly understood. The hibernation cycle of thirteen-lined ground squirrels\n                  <jats:italic>(Ictidomys tridecemlineatus)<\/jats:italic>\n                  lasts for 5\u20137 months and comprises weeks of hypometabolic, hypothermic torpor interspersed with 24\u201348-hour periods of an active-like interbout arousal (IBA) state. We show that ground squirrels, who endure the entire hibernation season without food, have negligible hunger during IBAs. These squirrels exhibit reversible inhibition of the hypothalamic feeding center, such that hypothalamic arcuate nucleus neurons exhibit reduced sensitivity to the orexigenic and anorexigenic effects of ghrelin and leptin, respectively. However, hypothalamic infusion of thyroid hormone during an IBA is sufficient to rescue hibernation anorexia. Our results reveal that thyroid hormone deficiency underlies hibernation anorexia and demonstrate the functional flexibility of the hypothalamic feeding center.\n                <\/jats:p>","DOI":"10.1101\/2023.03.15.532843","type":"posted-content","created":{"date-parts":[[2023,3,16]],"date-time":"2023-03-16T06:00:23Z","timestamp":1678946423000},"source":"Crossref","is-referenced-by-count":1,"title":["Hypothalamic hormone deficiency enables physiological anorexia"],"prefix":"10.64898","author":[{"given":"Sarah M.","family":"Mohr","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rafael Dai","family":"Pra","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maryann P.","family":"Platt","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Viktor V.","family":"Feketa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marya","family":"Shanabrough","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luis","family":"Varela","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashley","family":"Kristant","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haoran","family":"Cao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dana K.","family":"Merriman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tamas L.","family":"Horvath","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6661-3403","authenticated-orcid":false,"given":"Sviatoslav N.","family":"Bagriantsev","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0846-3427","authenticated-orcid":false,"given":"Elena O.","family":"Gracheva","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"54368","reference":[{"key":"2024031404561700000_2023.03.15.532843v2.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physbeh.2006.05.029"},{"key":"2024031404561700000_2023.03.15.532843v2.2","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1016\/j.trecan.2022.01.004","article-title":"Emerging Signaling Mediators in the Anorexia-Cachexia Syndrome of Cancer","volume":"8","year":"2022","journal-title":"Trends Cancer"},{"key":"2024031404561700000_2023.03.15.532843v2.3","doi-asserted-by":"crossref","first-page":"752","DOI":"10.1016\/j.tem.2021.07.010","article-title":"Reframing Anorexia Nervosa as a Metabo-Psychiatric Disorder","volume":"32","year":"2021","journal-title":"Trends Endocrinol. 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