Bone marrow or foetal liver cells fail to induce islet regeneration in diabetic Akita mice

Diabetes/metabolism Research and Reviews
Tomoyuki AkashiGordon C Weir

Abstract

In this study, we carried out bone marrow and foetal liver cell transplantation to determine if these cells could differentiate into pancreatic beta-cells or promote regeneration. To exclude an artificial or immunological influence for induction of diabetes to recipients, Akita mice, which develop diabetes spontaneously,were used. In addition, we used mice harbouring the transgenic green fluorescent protein (GFP) reporter for insulin 1 gene as donors to mark donor-derived beta-cells. All transplanted Akita mice after intravenous injection showed full donor chimerism in peripheral blood analysis. Their diabetic state represented by blood glucose levels did not change after transplantation. In spite of examination of more than 200 islets in each group, we could not find GFP-positive cells in any of the recipients. Bone marrow cells or foetal liver cells do not differentiate to new pancreatic beta-cells or promote regeneration in Akita mice, a non-chemical or non-immune model of diabetes.

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Citations

Jul 18, 2012·Bulletin of Experimental Biology and Medicine·I G GvazavaO V Balan
Oct 27, 2010·Stem Cells and Development·Svetlana IskovichNadir Askenasy
Sep 29, 2011·Genome Medicine·Gordon C WeirSusan Bonner-Weir
May 11, 2011·Cytotherapy·Valeria Sordi, Lorenzo Piemonti
May 1, 2009·Diabetes/metabolism Research and Reviews
Aug 20, 2010·Cell Transplantation·Fabio Ciceri, Lorenzo Piemonti

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