Publications (selected)

2019

Godehardt AW, Ramm R, Gulich B, Tönjes RR, Hilfiker A. Decellularized pig pulmonary heart valves-Depletion of nucleic acids measured by proviral PERV pol. Xenotransplantation. Nov 6:e12565. doi: 10.1111/xen.12565. [Epub ahead of print]
Ramm R, Goecke T, Theodoridis K, Hoeffler K, Sarikouch S, Findeisen K, Ciubotaru A, Cebotari S, Tudorache I, Haverich A, Hilfiker A. Decellularization combined with enzymatic removal of N-linked glycans and residual DNA reduces inflammatory response and improves performance of porcine xenogeneic pulmonary heart valves in an ovine in vivo model. Xenotransplantation 2019, e12571.

Ramm R, Niemann H, Petersen B, Haverich A, Hilfiker A. Decellularized GGTA1-KO pig heart valves do not bind preformed human xenoantibodies. Basic Res Cardiol 111:1–13. doi: 10.1007/s00395-016-0560-7

Theodoridis K, Müller J, Ramm R, Findeisen K, Andrée B, Korossis S, Haverich A, Hilfiker A. Acta Biomater. Effects of combined cryopreservation and decellularization on the biomechanical, structural and biochemical properties of porcine pulmonary heart valves. 2016 Oct 1;43:71-7. doi: 10.1016/j.actbio.2016.07.013. PMID: 27422199

Ramm R, Hartmann T, Tudorache I, Haverich A, Hilfiker A.No evidence for αGal epitope transfer from media containing FCS onto human endothelial cells in culture. Xenotransplantation 22:345–355. doi: 10.1111/xen.12183
Taniguchi Y, Kurth T, Medeiros DM, Tazaki A, Ramm R, Epperlein H-H Mesodermal origin of median fin mesenchyme and tail muscle in amphibian larvae. Scientific Reports 5:11428.
Wang S, Oldenhof H, Goecke T, Ramm R, Harder M, Haverich A, Hilfiker A, Wolkers WF Sucrose Diffusion in Decellularized Heart Valves for Freeze-Drying. Tissue Engineering Part C: Methods 21:922–931. doi: 10.1089/ten.tec.2014.0681

Andrée B, Bela K, Horvath T, Lux M, Ramm R, Venturini L, Ciubotaru A, Zweigerdt R, Haverich A, Hilfiker A. Successful re-endothelialization of a perfusable biological vascularized matrix (BioVaM) for the generation of 3D artificial cardiac tissue. Basic Res Cardiol 109:1–13. doi: 10.1007/s00395-014-0441-x