Isolation method and characterization of adipocytes as a tool for equine obesity research – In vitro study

cris.lastimport.scopus2025-10-23T06:56:54Z
cris.virtual.author-orcid0000-0003-0715-0223
cris.virtual.author-orcid0000-0002-0081-7585
cris.virtual.author-orcid0000-0001-9792-1145
cris.virtual.author-orcid0000-0001-5209-2232
cris.virtual.author-orcid0000-0003-0086-5744
cris.virtual.author-orcid0000-0002-7969-8071
cris.virtual.author-orcid0000-0002-7227-0654
cris.virtual.author-orcid0000-0002-7182-6905
cris.virtualsource.author-orcid0c22ceb5-e5c6-4f5d-a0fd-8ec91a16efa9
cris.virtualsource.author-orcidfa9a05b6-07fa-47e8-ae3d-8929da6881f3
cris.virtualsource.author-orcid1815dbc7-82a3-4ce5-8dc9-bbe17826792b
cris.virtualsource.author-orcid59d1337d-8f96-43d3-bd28-674f4db5b81d
cris.virtualsource.author-orcid765a870a-84d2-4afa-bbf8-e55a99e20a9b
cris.virtualsource.author-orcidddebb5ec-9421-4323-ba4c-382df4d46ba7
cris.virtualsource.author-orcidad732626-b998-4c32-a9dc-82d9928533d8
cris.virtualsource.author-orcid325904ea-6775-4d8a-b846-0104d9ec20ca
dc.abstract.enAdipose tissue functions as an endocrine organ; however, excessive lipid accumulation can lead to obesity and metabolic disorders, such as Equine Metabolic Syndrome (EMS), characterized by insulin resistance, fat deposition, and increased inflammation. Despite the growing prevalence of obesity in horses, knowledge of equine adipocytes and their metabolic functions remains limited. The main objective of the study was to develop and optimize a method for isolating equine adipocytes and to characterize their metabolic activity. Using slaughterhouse-derived horse visceral adipose tissue, we developed a protocol to isolate mature adipocytes. Metabolic activity of cells was assessed by examining their sensitivity to lipolytic factors: isoproterenol (0.001–10 µM), epinephrine (0.001–1 µM), and forskolin (0.001–1 µM)—and lipogenesis intensity after stimulation with insulin. We obtained mature equine adipocytes with diameters ranging from 50 to 160 µm. These cells demonstrated full metabolic functionality, responding to lipolytic factors such as isoproterenol (all doses: p < 0.001), epinephrine (0.01 µM: p < 0.05; 0.1–1 µM: p < 0.0001), and forskolin (0.001 µM: p < 0.0001). The adipocytes also responded to insulin from all tested species, with effects being dose- and time-dependent (after 2 h human insulin 10 nM, p < 0.05; bovine 10, 100 nM p < 0.05 and after 8 h all doses p < 0.05). The presented method for isolating mature equine adipocytes is effective, yielding metabolically functional cells, which can serve as a valuable in vitro model for studying the effects of various factors on adipocyte function, contributing to a better understanding of equine adipose tissue dysfunction, particularly in the context of metabolic disorders.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Fizjologii, Biochemii i Biostruktury Zwierząt
dc.affiliation.instituteKatedra Żywienia Zwierząt
dc.affiliation.instituteKatedra Nauk Przedklinicznych i Chorób Zakaźnych
dc.contributor.authorKołodziejski, Paweł Antoni
dc.contributor.authorLeciejewska, Natalia
dc.contributor.authorSassek, Maciej
dc.contributor.authorNogowski, Leszek
dc.contributor.authorSzumacher, Małgorzata
dc.contributor.authorMikuła, Robert
dc.contributor.authorGogulski, Maciej
dc.contributor.authorPruszyńska-Oszmałek, Ewa
dc.date.accessioned2025-06-11T09:21:22Z
dc.date.available2025-06-11T09:21:22Z
dc.date.issued2025
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if2,3
dc.description.numberAugust 2025
dc.description.points140
dc.description.volume312
dc.identifier.doi10.1016/j.tvjl.2025.106354
dc.identifier.eissn1532-2971
dc.identifier.issn1090-0233
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/2826
dc.languageen
dc.relation.ispartofVeterinary Journal
dc.relation.pagesart. 106354
dc.rightsClosedAccess
dc.sciencecloudsend
dc.subject.enadipocytes
dc.subject.enequine
dc.subject.enisolation methods
dc.subject.enlipolysis
dc.subject.enlipogenesis
dc.titleIsolation method and characterization of adipocytes as a tool for equine obesity research – In vitro study
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume312