Human umbilical cord mesenchymal stem cell-derived exosomal miR-199a-3p inhibits the MAPK4/NF-κB signaling pathway to relieve osteoarthritis

Table 1 Primer sequences

Genes	Sequence
miR-199a-3p (Hum & Mmu)	F: 5’-GCGCGACAGTAGTCTGCACAT-3’
	R: 5’-AGTGCAGGGTCCGAGGTATT-3’
MAPK4	F: 5’-TGAGAAGGGTGACTGCATCG-3’
	R: 5’-ACCAAACCATTGACACCGAAG-3’
U6	F: 5’-CTCGCTTCGGCAGCACA-3’
	R: 5’-AACGCTTCACGAATTTGCGT-3’
β-actin	F: 5’-CATGTACGTTGCTATCCAGGC-3’
	R: 5’-CTCCTTAATGTCACGCACGAT-3’

F: Forward primer; R: Reversed primer; MAPK4: Mitogen-activated protein kinase 4.