OP	Osteoporosis
CTR	Control
ncRNA	non-coding RNA
LncRNA	long non-coding RNA
OP_VF	OP vertebral fractures
OP_FF	OP femoral fractures
OP_WF	OP without fracture
BMD	bone mineral density
GAS5	growth arrest-specific transcript 5
ceRNA	competing endogenous RNA
hMSC	human multi-potential mesenchymal stem cell
DEXA	dual-energy x-ray absorptiometry
25-(OH)-Vit D	25-hydroxyvitamin D
PTH	parathyroid hormone
ALP	alkaline phosphatase
BALP	bone alkaline phosphatase
CTX	serum C-terminal telopeptide
BMI	body mass index
BMSC	bone marrow mesenchymal stem cell