{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T05:24:20Z","timestamp":1782451460946,"version":"3.54.5"},"reference-count":100,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2021,3,3]],"date-time":"2021-03-03T00:00:00Z","timestamp":1614729600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Obesity\/overweight are important health problems due to metabolic complications. Dysregulation of peptides exerting orexigenic\/anorexigenic effects must be investigated in-depth to understand the mechanisms involved in feeding behaviour. One of the most important and studied orexigenic peptides is galanin (GAL). The aim of this review is to update the mechanisms of action and physiological roles played by the GAL family of peptides (GAL, GAL-like peptide, GAL message-associated peptide, alarin) in the control of food intake and to review the involvement of these peptides in metabolic diseases and food intake disorders in experimental animal models and humans. The interaction between GAL and NPY in feeding and energy metabolism, the relationships between GAL and other substances involved in food intake mechanisms, the potential pharmacological strategies to treat food intake disorders and obesity and the possible clinical applications will be mentioned and discussed. Some research lines are suggested to be developed in the future, such as studies focused on GAL receptor\/neuropeptide Y Y1 receptor interactions in hypothalamic and extra-hypothalamic nuclei and sexual differences regarding the expression of GAL in feeding behaviour. It is also important to study the possible GAL resistance in obese individuals to better understand the molecular mechanisms by which GAL regulates insulin\/glucose metabolism. GAL does not exert a pivotal role in weight regulation and food intake, but this role is crucial in fat intake and also exerts an important action by regulating the activity of other key compounds under conditions of stress\/altered diet.<\/jats:p>","DOI":"10.3390\/ijms22052544","type":"journal-article","created":{"date-parts":[[2021,3,3]],"date-time":"2021-03-03T20:29:48Z","timestamp":1614803388000},"page":"2544","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Neuropeptidergic Control of Feeding: Focus on the Galanin Family of Peptides"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6303-1654","authenticated-orcid":false,"given":"P.","family":"Marcos","sequence":"first","affiliation":[{"name":"Cellular Neuroanatomy and Molecular Chemistry of Central Nervous System, Faculty of Medicine, University of Castilla-La Mancha, CRIB (Regional Centre of Biomedical Research), Avenida de Almansa 14, 02006 Albacete, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5677-8266","authenticated-orcid":false,"given":"R.","family":"Cove\u00f1as","sequence":"additional","affiliation":[{"name":"Laboratory of Neuroanatomy of the Peptidergic Systems (Group GIR-BMD), Institute of Neurosciences of Castilla y Le\u00f3n (INCYL), Laboratory 14, University of Salamanca, c\/Pintor Fernando Gallego 1, 37007 Salamanca, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,3,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"200","DOI":"10.3389\/fnins.2012.00200","article-title":"Action of neurotransmitter: A key to unlock the AgRP neuron feeding circuit","volume":"6","author":"Liu","year":"2013","journal-title":"Front. 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