Logo Logo
Hilfe
Hilfe
Switch Language to English

Laengin, Matthias; Mayr, Tanja; Reichart, Bruno; Michel, Sebastian; Buchholz, Stefan; Guethoff, Sonja; Dashkevich, Alexey; Bähr, Andrea; Egerer, Stefanie; Bauer, Andreas; Mihalj, Maks; Panelli, Alessandro; Issl, Lara; Ying, Jiawei; Fresch, Ann Kathrin; Buttgereit, Ines; Mokelke, Maren; Radan, Julia; Werner, Fabian; Lutzmann, Isabelle; Steen, Stig; Sjoberg, Trygve; Paskevicius, Audrius; Qiuming, Liao; Sfriso, Riccardo; Rieben, Robert; Dahlhoff, Maik; Kessler, Barbara; Kemter, Elisabeth; Klett, Katharina; Hinkel, Rabea; Kupatt, Christian; Falkenau, Almuth; Reu, Simone; Ellgass, Reinhard; Herzog, Rudolf; Binder, Uli; Wich, Guenter; Skerra, Arne; Ayares, David; Kind, Alexander; Schönmann, Uwe; Kaup, Franz-Josef; Hagl, Christian; Wolf, Eckhard; Klymiuk, Nikolai; Brenner, Paolo und Abicht, Jan-Michael (2018): Consistent success in life-supporting porcine cardiac xenotransplantation. In: Nature, Bd. 564, Nr. 7736: S. 430-433

Volltext auf 'Open Access LMU' nicht verfügbar.

Abstract

Heart transplantation is the only cure for patients with terminal cardiac failure, but the supply of allogeneic donor organs falls far short of the clinical need(1-3). Xenotransplantation of genetically modified pig hearts has been discussed as a potential alternative(4). Genetically multi-modified pig hearts that lack galactose-alpha 1,3- galactose epitopes (alpha 1,3-galactosyltransferase knockout) and express a human membrane cofactor protein (CD46) and human thrombomodulin have survived for up to 945 days after heterotopic abdominal transplantation in baboons(5). This model demonstrated long-term acceptance of discordant xenografts with safe immunosuppression but did not predict their life-supporting function. Despite 25 years of extensive research, the maximum survival of a baboon after heart replacement with a porcine xenograft was only 57 days and this was achieved, to our knowledge, only once(6). Here we show that alpha 1,3-galactosyltransferase-knockout pig hearts that express human CD46 and thrombomodulin require non-ischaemic preservation with continuous perfusion and control of post-transplantation growth to ensure long-term orthotopic function of the xenograft in baboons, the most stringent preclinical xenotransplantation model. Consistent life-supporting function of xenografted hearts for up to 195 days is a milestone on the way to clinical cardiac xenotransplantation(7).

Dokument bearbeiten Dokument bearbeiten