Table 1. The role of miRs in several bone cell types.

Bone Cell Type	Cell Role	miR Involved
MSCs	Proliferation and homeostasis	miR-135, miR-138, miR-23a, miR-30c, miR-31, miR-196a, miR-204, miR-206, miR-335
Pre-osteoblast	Proliferation	miR-23, miR-29, miR-34, miR-30, miR-31 miR-210 miR-218
Osteoblast	Matrix Maturation	miR-125b, miR-138, miR-637, miR-29c
Osteocytes	Mineralization	miR-23a~27a~24–2, miR-204, miR-205, miR-217, miR-133, miR-135

Role of miRs in mesenchmal stem cells and multiple bone cell types. Adapted from Lain and Stein et al, and Baglìo and DeVescovi et al.