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Bone marrow culture and transduction of stem cells in a miniature swine model
D W Emery1, T Sablinski, J S Arn
1Transplantation Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Boston 02129, USA.
Abstract:
Recombinant retroviral vectors, engineered to express the beta-chain gene of swine major histocompatibility complex class II DR, were developed for the genetic modification of swine hematopoietic stem cells (HSC). The expression of these vectors in swine bone marrow has been studied both in culture and after bone marrow transplantation. In addition, myeloid progenitor colony assays were performed on swine umbilical cord blood as part of a study to identify alternative sources of HSC for somatic gene transfer, revealing the presence of both granulocyte macrophage colony forming-units (CFU-GM) and CFU-Mix at frequencies comparable to those found in juvenile swine bone marrow.