Distinct Characteristics and Features of Allogeneic Chimerism in the NOD Mouse Model of Autoimmune Diabetes

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Abstract:

The adaptation of allogeneic chimerism in treatment of autoimmune diabetes has been shown as a promising approach in numerous studies in both experimental and clinical settings. Establishment of hemopoietic chimerism in NOD mice is the most adequate animal model to study mechanisms involved in the multiple aspects of the curative effects of chimerism in autoimmunity-prone individuals. However, there are some discrepancies in the current literature for parameters and criteria used to characterize chimerism in the NOD model. This study was aimed to standardize the criteria for the different pathological stages of diabetogenesis in chimeric versus unmanipulated NOD mice. We report two well-defined scoring systems and a new Index N for the assessment of the pathological characteristics of diabetogenesis and GVHD in chimeric NOD mice. Also, we have demonstrated that, in the NOD model, recipient conditioning resulting in as low as 1% of chimerism is sufficient to promote engraftment of the BM donor-specific islets of Langerhans.

Keywords: Allogeneic chimeri; Key words: Autoimmune diabetes

Document Type: Research Article

DOI: http://dx.doi.org/10.0000/096020198389843

Affiliations: 1: *Division of Immunogenetics, Department of Pediatrics, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213 2: †Mirus Corporation, Madison, WI 53719

Publication date: January 1, 2002

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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