PMID: 20137154Feb 9, 2010Paper

Leptin and its receptor in acute myeloid leukemia

Zhongguo shi yan xue ye xue za zhi
Hong-Mei NingNing Mao

Abstract

Leptin, the product of obese gene, is a secreting protein that exerts multiple biological functions by binding to its receptor. Leptin regulates nutrient intake and metabolism, and is secreted from adipocytes, which occupy most of the bone marrow cavity and constitute the microenvironment. Leptin not only plays an important role in the control of the proliferation and differentiation of normal primitive hematopoietic cells, but it also stimulates the growth and viability of leukemic cells. Leukemic cells of some patients with acute myeloid leukemia (AML), acute lymphoblastic leukemia, and chronic myeloid leukemia also express the leptin receptor. Furthermore, leptin also stimulates leukemic cell growth in vivo by promoting angiogenesis. These findings suggest the possibility that leptin and its receptor play roles in the pathophysiology of leukemia, and blockage of leptin binding to its receptor might have potential therapeutic benefits in the treatment of certain leukemias. This review discusses the biological characteristics of leptin and its receptor, the relation of leptin and its receptor with normal hematopoiesis, the relation of leptin and its receptor with AML and so on.

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