Transplantation of whole bone marrow (BMT) leads to engraftment of both osteoprogenitor cells and hematopoietic cells; however, the robust osteopoietic chimerism seen early after BMT decreases with time. Using our established murine model, we demonstrate that a post-BMT regimen of either granulocyte-colony stimulating factor, growth hormone, parathyroid hormone, or stem cell factor each stimulates greater donor osteoblast chimerism at 4 months posttransplantation than saline-treated controls and approximates the robust osteopoietic chimerism seen early after BMT; however, only growth hormone led to significantly more donor-derived osteocytes than controls. Importantly, there were no adverse hematologic consequences of the different treatments. Our data demonstrate that these cytokines can stimulate the differentiation of transplanted donor marrow cells into the osteopoietic lineage after BMT. Post-BMT cytokine therapy may generate durable osteopoietic engraftment, which should lead to sustained clinical benefit and render BMT more applicable to bone disorders.

Cytokine-Induced Osteopoietic Differentiation of Transplanted Marrow Cells / S., Otsuru; Rasini, Valeria; Bussolari, Rita; T. J., Hofmann; Dominici, Massimo; E. M., Horwitz. - In: BLOOD. - ISSN 0006-4971. - STAMPA. - 118:(2011), pp. 2358-2361. [10.1182/blood-2011-01-331397]

Cytokine-Induced Osteopoietic Differentiation of Transplanted Marrow Cells

RASINI, Valeria;BUSSOLARI, Rita;DOMINICI, Massimo;
2011

Abstract

Transplantation of whole bone marrow (BMT) leads to engraftment of both osteoprogenitor cells and hematopoietic cells; however, the robust osteopoietic chimerism seen early after BMT decreases with time. Using our established murine model, we demonstrate that a post-BMT regimen of either granulocyte-colony stimulating factor, growth hormone, parathyroid hormone, or stem cell factor each stimulates greater donor osteoblast chimerism at 4 months posttransplantation than saline-treated controls and approximates the robust osteopoietic chimerism seen early after BMT; however, only growth hormone led to significantly more donor-derived osteocytes than controls. Importantly, there were no adverse hematologic consequences of the different treatments. Our data demonstrate that these cytokines can stimulate the differentiation of transplanted donor marrow cells into the osteopoietic lineage after BMT. Post-BMT cytokine therapy may generate durable osteopoietic engraftment, which should lead to sustained clinical benefit and render BMT more applicable to bone disorders.
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2361
Cytokine-Induced Osteopoietic Differentiation of Transplanted Marrow Cells / S., Otsuru; Rasini, Valeria; Bussolari, Rita; T. J., Hofmann; Dominici, Massimo; E. M., Horwitz. - In: BLOOD. - ISSN 0006-4971. - STAMPA. - 118:(2011), pp. 2358-2361. [10.1182/blood-2011-01-331397]
S., Otsuru; Rasini, Valeria; Bussolari, Rita; T. J., Hofmann; Dominici, Massimo; E. M., Horwitz
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/709107
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