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Stirm, M.* ; Fonteyne, L.M.* ; Shashikadze, B.* ; Lindner, M.* ; Chirivi, M.* ; Lange, A.* ; Kaufhold, C.* ; Mayer, C.* ; Medugorac, I.* ; Kessler, B.* ; Kurome, M.* ; Zakhartchenko, V.* ; Hinrichs, A.* ; Kemter, E.* ; Krause, S.* ; Wanke, R.* ; Arnold, G.J.* ; Wess, G.* ; Nagashima, H.* ; Hrabě de Angelis, M. ; Flenkenthaler, F.* ; Kobelke, L.A.* ; Bearzi, C.* ; Rizzi, R.* ; Bahr, A.* ; Reese, S.* ; Matiasek, K.* ; Walter, M.C.* ; Kupatt, C.* ; Ziegler, S.* ; Bartenstein, P.* ; Fröhlich, T.* ; Klymiuk, N.* ; Blutke, A. ; Wolf, E.*

A scalable, clinically severe pig model for Duchenne muscular dystrophy.

Dis. Model. Mech. 14:dmm049285 (2021)
Postprint Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Large animal models for Duchenne muscular dystrophy (DMD) are crucial for evaluation of diagnostic procedures and treatment strategies. Pigs cloned from male cells lacking DMD exon 52 (DMDΔ52) resemble molecular, clinical and pathological hallmarks of DMD, but die before sexual maturity and cannot be propagated by breeding. Therefore, we generated female DMD+/- carriers. A single founder animal had 11 litters with 29 DMDY/-, 34 DMD+/- as well as 36 male and 29 female wild-type offspring. Breeding with F1 and F2 DMD+/- carriers resulted in additional 114 DMDY/- piglets. With intensive neonatal management, the majority survived for 3-4 months, providing statistically relevant cohorts for experimental studies. Pathological investigations and proteome studies of skeletal muscles and myocardium confirmed the resemblance of human disease mechanisms. Importantly, DMDY/- pigs reveal progressive myocardial fibrosis and increased expression of connexin-43, associated with significantly reduced left ventricular ejection fraction already at age 3 months. Furthermore, behavioral tests provided evidence for impaired cognitive ability. Our breeding cohort of DMDΔ52 pigs and standardized tissue repositories provide important resources for studying DMD disease mechanisms and for testing novel treatment strategies.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Biobank ; Carrier ; Duchenne Muscular Dystrophy ; Pathology ; Pig Model ; Proteomics; Linkage Disequilibrium; Tomography; Perfusion; Modifier; Muscle
Sprache englisch
Veröffentlichungsjahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 1754-8403
e-ISSN 1754-8411
Zeitschrift Disease Models and Mechanisms
Quellenangaben Band: 14, Heft: 12, Seiten: , Artikelnummer: dmm049285 Supplement: ,
Verlag Company of Biologists
Verlagsort Bidder Building, Station Rd, Histon, Cambridge Cb24 9lf, England
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Experimental Genetics (IEG)
POF Topic(s) 30201 - Metabolic Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-500600-001
Förderungen Else Kroener-Fresenius Foundation
DOI 10.1242/dmm.049285
WOS ID WOS:000751637600011
Scopus ID 85121987919
PubMed ID 34796900
Erfassungsdatum 2021-12-07
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