Table 2

Summary of northern blot studies
Gene	E	L	A

miR-286	++++
miR-92b	++	++
miR-79	++	++	+
miR-275	+	+	+
miR-287	+	+	+
miR-283	+	+	+
miR-281a, b	+	+	+
miR-279	+++	+++	+++
miR-263a	+++	+++	+++
miR-276a, b	+	++	+++
miR-288	+	+	++
miR-184	+	+	++
miR-282		++
miR-289		++
miR-133	+		++
miR-278		+	+
miR-284		+	+
miR-100		++	++
miR-34		+	++
miR-280			+
miR-277			++++
miR-274			++++

The relative abundance of a given miRNA at each stage is represented by the number of plus signs. miR-276a, b and miR-281a, b produce similar miRNAs that are not distinguished by northern analysis.
Lai et al. Genome Biology 2003 4:R42 doi:10.1186/gb-2003-4-7-r42