The present invention discloses the cloning of a new cDNA HGFIN from stimulated bone marrow stromal cells that was retrieved with a probe specific for the neurokinin-1 (NK-1) receptor. The novel gene HGFIN encodes a protein receptor that is involved in the regulation of hematopoietic proliferation and differentiation. HGFIN is implicated in the treatment of hyperproliferative disorders particularly bone and breast cancer because it acts to suppress the proliferating cells.

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