{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T14:21:24Z","timestamp":1784557284526,"version":"3.55.0"},"reference-count":78,"publisher":"Bioscientifica","issue":"2","license":[{"start":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T00:00:00Z","timestamp":1734480000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["joe.bioscientifica.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,12,18]]},"abstract":"<jats:p>\n                    Glucagon-like peptide-1 receptor (GLP-1R) and neuropeptide Y receptors (NPYRs) are expressed in reproductive tissues contributing to the regulation of gonadal function. This exploratory study examines the potential impact of their modulation by assessing the effects of exendin-4 (Ex-4) and peptide YY (PYY) (3\u201336) on endocrine ovaries and adrenals in high-fat diet (HFD) mice. Ex-4 and PYY(3\u201336) reduced blood glucose and energy intake, with no effects on body weight. While HFD did not impact the estrous cycle, Ex-4 increased metestrus frequency and decreased diestrus frequency resulting in 0% mice experiencing repeated diestrus or becoming acyclic. Luteinizing hormone levels were significantly higher in the Ex-4 and PYY(3\u201336) groups compared to the normal diet and HFD controls. In the adrenals, reduced capsule and zona glomerulosa thickness caused by HFD was reversed after peptide treatments. Within the ovaries, HFD increased the number of atretic follicles, an effect that disappeared after Ex-4 and PYY(3\u201336) treatments. Ex-4 also increased the number of corpora lutea owing to the prolonged metestrus phase. Gene expression analysis within the adrenals revealed the upregulation of\n                    <jats:italic>Insr<\/jats:italic>\n                    and the downregulation of\n                    <jats:italic>Prgtr<\/jats:italic>\n                    in HFD mice, while Ex-4 downregulated the expression of\n                    <jats:italic>Gipr<\/jats:italic>\n                    . The ovarian gene expression of\n                    <jats:italic>Gipr, Npy1r<\/jats:italic>\n                    and\n                    <jats:italic>Prgtr<\/jats:italic>\n                    was downregulated by Ex-4 treatment, while PYY(3\u201336) significantly downregulated the\n                    <jats:italic>Prgtr<\/jats:italic>\n                    expression compared to HFD mice. These data indicate that manipulating GLP-1R and NPY2R leads to changes in the reproductive physiology of mice. In addition, the observed alterations in the morphology and gene expression in the adrenals and ovaries imply a direct impact of these peptides on female reproductive function.\n                  <\/jats:p>","DOI":"10.1530\/joe-24-0189","type":"journal-article","created":{"date-parts":[[2024,12,18]],"date-time":"2024-12-18T08:24:36Z","timestamp":1734510276000},"update-policy":"https:\/\/doi.org\/10.1530\/crossmarkpolicy-5","source":"Crossref","is-referenced-by-count":3,"title":["GLP-1R\/NPY2R regulate gene expression, ovarian and adrenal morphology in HFD mice"],"prefix":"10.1530","volume":"264","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7355-1821","authenticated-orcid":true,"given":"Dawood","family":"Khan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ananyaa","family":"Sridhar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charlotte R","family":"Moffett","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"416","reference":[{"key":"bib1","series-title":"Fertil Res Pract","first-page":"5","article-title":"Staging of the estrous cycle and induction of estrus in experimental rodents: an update","volume":"6","author":"Ajayi AF","year":"2020","unstructured":"Ajayi AF & Akhigbe RE 2020 Staging of the estrous cycle and induction of estrus in experimental rodents: an update. 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