Abstract

Hematopoiesis in the mouse and other mammals occurs in several waves and arises from distinct anatomic sites. Transgenic mice expressing fluorescent reporter proteins at various points in the hematopoietic hierarchy, from hematopoietic stem cell to more restricted progenitors to each of the final differentiated cell types, have provided valuable tools for tagging, tracking, and isolating these cells. In this chapter, we discuss general considerations in designing a transgene, survey available fluorescent probes, and describe methods for confirming and analyzing transgene expression in the hematopoietic tissues of the embryo, fetus, and postnatal/adult animal.

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