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Understanding the lipid dynamics of artificially maturing eels will inevitably benefit captive rearing practices due to the importance of lipids for egg quality. Fortnightly sampling of shortfinned eels (\n                    <jats:italic>Anguilla australis<\/jats:italic>\n                    ) subjected to hypophysation for 10\u00a0weeks allowed us to gather important information relating to multiple aspects of lipid physiology. Accordingly, expected increases in gonadosomatic (from 2.20\u2009\u00b1\u20090.14 to 23.20\u2009\u00b1\u20096.01%) and hepatic somatic indices (from 0.89\u2009\u00b1\u20090.04 to 1.93\u2009\u00b1\u20090.01%), as well as oocyte diameter (from\u2009~\u2009220 to\u2009~\u2009700\u00a0\u00b5m) were complemented with notable increases in hepatic and ovarian vitellogenin levels at both the gene and protein levels in treated eels compared to Ringer-injected controls. A fivefold increase in hepatic expression of oestrogen receptor-alpha, but not the -beta isoform, corroborates the role for estradiol in promoting vitellogenesis. Conversely, decreases in expression of apolipoprotein b and the peroxisome proliferator-activated receptors in the liver point to a change in the role of the liver away from the neutral lipid packaging associated with previtellogenesis towards vitellogenin loading, ultimately culminating in yolk protein sequestration by the oocytes.\n                  <\/jats:p>","DOI":"10.1007\/s10695-026-01806-w","type":"journal-article","created":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T10:57:54Z","timestamp":1791025074000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Lipoprotein biology during induced oogenesis in the short-finned eel, Anguilla australis\u2014hepatic target gene expression and accumulation of nutrient sources into developing oocytes"],"prefix":"10.1007","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8972-9313","authenticated-orcid":false,"given":"Erin L.","family":"Damsteegt","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-0296-9194","authenticated-orcid":false,"given":"Benedetta","family":"Mercuriali","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8337-5489","authenticated-orcid":false,"given":"Georgia","family":"Thomson-Laing","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3215-1490","authenticated-orcid":false,"given":"Marin","family":"Miner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4321-6085","authenticated-orcid":false,"given":"Anh Tuan","family":"Nguyen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8701-475X","authenticated-orcid":false,"given":"P. 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