alexa Mesenchymal stem cells: biology and potential clinical uses.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Stem Cell Research & Therapy

Author(s): Deans RJ, Moseley AB

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Abstract There has been an increasing interest in recent years in the stromal cell system functioning in the support of hematopoiesis. The stromal cell system has been proposed to consist of marrow mesenchymal stem cells that are capable of self-renewal and differentiation into various connective tissue lineages. Recent efforts demonstrated that the multiple mesenchymal lineages can be clonally derived from a single mesenchymal stem cell, supporting the proposed paradigm. Dexter demonstrated in 1982 that an adherent stromal-like culture was able to support maintenance of hematopoietic stem as well as early B lymphopoeisis. Recent data from in vitro models demonstrating the essential role of stromal support in hematopoiesis shaped the view that cell-cell interactions in the marrow microenvironment are critical for normal hematopoietic function and differentiation. Maintenance of the hematopoietic stem cell population has been used to increase the efficiency of hematopoietic stem cell gene transfer. High-dose chemotherapy and frequently cause stromal damage with resulting hematopoietic defects. Data from preclinical transplantation studies suggested that stromal cell infusions not only prevent the occurrence of graft failure, but they have an immunomodulatory effect. Preclinical and early clinical safety studies are paving the way for further applications of mesenchymal stem cells in the field of transplantation with respect to hematopoietic support, immunoregulation, and graft facilitation.
This article was published in Exp Hematol and referenced in Journal of Stem Cell Research & Therapy

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