Table 1.

Expression of RARs and ALDH1 in murine HSCs and progenitor cells. Positive expression is indicated by (+) and negative expression by (−). Summary of data is obtained from references [27] and [44].

	Hematopoietic cell population
	HSCs	Progenitors
RARα1	+	+
RARα2	+	+
RARβ2	+	−
RARγ1	+	−
RARγ2	+	+
ALDH1	+	−