Peri-arteriolar megakaryopoietic microenvironment via reciprocal CLEC-2/PDPN axis in bone marrow

[Rinshō ketsueki] The Japanese journal of clinical hematology
Shogo TamuraTetsuhito Kojima

Abstract

Bone marrow (BM), the tissue specializing in the production of hematopoietic cells, consists of multiple components (e.g., extracellular matrixes, vasculatures, and stromal cells) that generate a complex three-dimensional network and several localized microenvironment. These microenvironments regulate hematopoietic stem and progenitor cells, including megakaryocyte lineage cells. In this review, we first provide an overview of the microenvironment for hematopoietic stem cells as an introduction to bone marrow microenvironment and subsequently summarize the microenvironment for megakaryocyte differentiation and maturation (megakaryopoiesis). In the last portion, we describe megakaryocyte regulation by podoplanin-positive peri-arteriolar stromal cells in the mouse bone marrow.

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