Article ID Journal Published Year Pages File Type
10940971 Immunobiology 2015 6 Pages PDF
Abstract
Mononuclear phagocytes have been viewed for a long time as one distinct lineage where continuous division of haematopoietic progenitor cells give rise to and replenish differentiated mature cells with a limited life-span. Very recent data have demonstrated however, that in addition to this, proliferation of differentiated macrophages of mostly embryonic origin also contribute significantly to the mononuclear phagocyte system. Recently developed primary tissue culture models of self-renewing differentiated resident macrophages are now available to facilitate our understanding of macrophage heterogeneity and to provide special tools to study general and specific macrophage functions as well. In this review, we will focus on current knowledge on the concept of self-renewing macrophages and discuss aspects of their origin, development and function.
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