Table 1.

Alterations in microRNA signature during T-cell development in the thymus. (according to Neilson et al. [539]).

Thymocyte population	Relative high expression	Relative low expression
DN1	miR-21, miR-29b, miR-342, miR-221, miR-223	miR-16, miR-128b, miR-15b, miR-24
DN3	miR-191	miR-142, miR-150
DN4	miR-142, miR-20a, miR-16, miR-128b
DP	miR-92, miR-181a/b, miR-350, miR-15b, miR-16	miR-21, miR-27a
CD4+ SP	miR-669c, miR-297, miR-142	miR-142
CD8+ SP	miR-15b, miR-150, miR-24, miR-27a, miR-142	miR-142, miR-16, miR-128b, miR-92, miR-181b

DN: double negative (CD4⁻8⁻)

DP: double positive (CD4⁺8⁺)

SP: single positive (CD4⁺8⁻ or CD4⁻8⁺).