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Degroote, R.L.* ; Schmalen, A.* ; Renner, S.* ; Wolf, E.* ; Hauck, S.M. ; Deeg, C.A.*

Diabetic retinopathy from the vitreous proteome perspective: The INSC94Y transgenic pig model study.

Proteomics, DOI: 10.1002/pmic.202300591:e2300591 (2024)
Verlagsversion Forschungsdaten DOI PMC
Open Access Hybrid
Creative Commons Lizenzvertrag
INSC94Y transgenic pigs represent a model for mutant insulin gene-induced diabetes of youth, with impaired insulin secretion and beta cell loss, leading to elevated fasting blood glucose levels. A key complication of diabetes mellitus is diabetic retinopathy (DR), characterized by hyperglycemia-induced abnormalities in the retina. Adjacent to the retina lies the vitreous, a gelatinous matrix vital for ocular function. It harbors proteins and signaling molecules, offering insights into vitreous biology and ocular health. Moreover, as a reservoir for secreted molecules, the vitreous illuminates molecular processes within intraocular structures, especially under pathological conditions. To uncover the proteomic profile of porcine vitreous and explore its relevance to DR, we employed discovery proteomics to compare vitreous samples from INSC94Y transgenic pigs and wild-type controls. Our analysis identified 1404 proteins, with 266 showing differential abundance in INSC94Y vitreous. Notably, the abundances of ITGB1, COX2, and GRIFIN were significantly elevated in INSC94Y vitreous. Gene Set Enrichment Analysis unveiled heightened MYC and mTORC1 signaling in INSC94Y vitreous, shedding light on its biological significance in diabetes-associated ocular pathophysiology. These findings deepen our understanding of vitreous involvement in DR and provide valuable insights into potential therapeutic targets. Raw data are accessible via ProteomeXchange (PXD038198).
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Insc94y Transgenic Pig ; Diabetic Retinopathy ; Vitreous Proteome; Lens Epithelial-cells; Grifin; Phosphorylation; Activation; Apoptosis
Sprache englisch
Veröffentlichungsjahr 2024
HGF-Berichtsjahr 2024
ISSN (print) / ISBN 1615-9853
e-ISSN 1615-9861
Zeitschrift Proteomics
Quellenangaben Band: , Heft: , Seiten: , Artikelnummer: e2300591 Supplement: ,
Verlag Wiley
Verlagsort 111 River St, Hoboken 07030-5774, Nj Usa
Begutachtungsstatus Peer reviewed
Institut(e) CF Metabolomics & Proteomics (CF-MPC)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-505700-001
A-630700-001
Förderungen Deutsche Forschungsgemeinschaft
German Center for Diabetes Research (DZD)
DOI 10.1002/pmic.202300591
WOS ID 001287999300001
Scopus ID 85201020094
PubMed ID 39126128
Erfassungsdatum 2024-09-27
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