{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T21:04:39Z","timestamp":1768511079399,"version":"3.49.0"},"posted":{"date-parts":[[2024,4,26]]},"group-title":"Neuroscience","reference-count":60,"publisher":"openRxiv","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2024,4,27]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                <jats:p>Anorexia nervosa (AN) is an eating disorder observed primarily in girls and women, and is characterized by a low body mass index, hypophagia, and hyperactivity. The activity-based anorexia (ABA) paradigm models aspects of AN, and refers to the progressive weight loss, hypophagia, and hyperactivity developed by rodents exposed to time-restricted feeding and running wheel access. Recent studies identified white adipose tissue (WAT) as a primary location of the \u2018metabolic memory\u2019 of prior obesity, and implicated WAT-derived signals as drivers of recidivism to obesity following weight loss. Here, we tested whether an obese WAT transplant could attenuate ABA-induced weight loss in normal female mice. Recipient mice received a WAT transplant harvested from normal chow-fed, or HFD-fed obese mice; obese fat recipient (OFR) and control fat recipient (CFR) mice were then tested for ABA. During ABA, OFR mice survived longer than CFR mice, defined as maintaining 75% of their initial body weight. Next, we tested whether agouti-related peptide (AgRP) neurons, which regulate feeding behavior and metabolic sensing, mediate this effect of obese WAT transplant. CFR and OFR mice received either control or neonatal AgRP ablation, and were assessed for ABA. OFR intact mice maintained higher body weights longer than CFR intact mice, and this effect was abolished by neonatal AgRP ablation; further, ablation reduced survival in OFR, but not CFR mice. In summary, obese WAT transplant communicates with AgRP neurons to increase body weight maintenance during ABA. These findings encourage the examination of obese WAT-derived factors as potential treatments for AN.<\/jats:p>","DOI":"10.1101\/2024.04.23.590824","type":"posted-content","created":{"date-parts":[[2024,4,26]],"date-time":"2024-04-26T10:25:18Z","timestamp":1714127118000},"source":"Crossref","is-referenced-by-count":0,"title":["The attenuation of activity-based anorexia by obese adipose tissue transplant is AgRP neuron-dependent"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-8318-3173","authenticated-orcid":false,"given":"Dongmin J.","family":"Yoon","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rizaldy C.","family":"Zapata","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martina","family":"Ulivieri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Avraham M.","family":"Libster","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthew S.","family":"McMurray","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0516-7937","authenticated-orcid":false,"given":"Olivia","family":"Osborn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1281-782X","authenticated-orcid":false,"given":"Stephanie C.","family":"Dulawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"54368","reference":[{"key":"2024042921251222000_2024.04.23.590824v2.1","doi-asserted-by":"crossref","first-page":"425","DOI":"10.1146\/annurev.med.050208.200745","article-title":"Anorexia nervosa: current status and future directions","volume":"61","year":"2010","journal-title":"Annu Rev Med"},{"key":"2024042921251222000_2024.04.23.590824v2.2","doi-asserted-by":"crossref","first-page":"432","DOI":"10.1002\/erv.2553","article-title":"The Science Behind the Academy for Eating Disorders\u2019 Nine Truths About Eating Disorders","volume":"25","year":"2017","journal-title":"European Eating Disorders Review"},{"key":"2024042921251222000_2024.04.23.590824v2.3","doi-asserted-by":"crossref","first-page":"1181","DOI":"10.1002\/eat.23503","article-title":"Physical exercise-related endophenotypes in anorexia nervosa","volume":"54","year":"2021","journal-title":"Int J Eat Disord"},{"key":"2024042921251222000_2024.04.23.590824v2.4","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1016\/j.comppsych.2010.03.002","article-title":"Predictors of excessive exercise in anorexia nervosa","volume":"51","year":"2010","journal-title":"Compr Psychiatry"},{"key":"2024042921251222000_2024.04.23.590824v2.5","doi-asserted-by":"crossref","first-page":"700645","DOI":"10.3389\/fnbeh.2021.700645","article-title":": The Central Role of Hypothermia and Hyperactivity in Anorexia Nervosa: A Hypothesis","volume":"15","year":"2021","journal-title":"Front Behav Neurosci"},{"key":"2024042921251222000_2024.04.23.590824v2.6","doi-asserted-by":"publisher","DOI":"10.3109\/15622975.2011.602720"},{"key":"2024042921251222000_2024.04.23.590824v2.7","doi-asserted-by":"crossref","unstructured":"Pruccoli J , Bergonzini L , La Tempa A , Parmeggiani A (2022): Antipsychotics in the Treatment of Children and Adolescents with Anorexia Nervosa: A Systematic Review. 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