Factors | Species | Cell type | In vitro/in vivo study | Molecular mechanism | Ref(s) |
---|---|---|---|---|---|
Signaling pathways | |||||
 Wnt/β-catenin signaling | Human Rat, mice | Osteoblasts BM-MSCs MC3T3-E1 cells | In vitro In vitro, in vivo | Enhance Wnt signaling pathway inhibitors (such as DKK1, SFRPs, Wif1, and sclerostin); downregulate Wnt7b and Wnt10 | |
 TGFβ/BMP superfamily | Mice | MC3T3-E1 cells | In vitro | Suppress BMP2; enhance BMP2 antagonists (follistatin and Dan) | |
 Notch signaling | Mice | MC3T3-E1 cells | In vitro In vivo | Enhance Notch1 and Notch 2; downregulate Notch target genes (such as Hey1, Hey2, and HeyL) | |
Transcription factors/post-transcriptional regulators | |||||
 Runx2 | Rat | Osteoblast BM-MSCs | In vitro In vitro | Inhibit Runx2; over-expression of Runx2 antagonizes GC-induced adipogenesis | |
 PPARγ and C/EBPs | Mice Human | BM-MSCs 3T3-L1 preadipocytes BM-MSCs | In vitro In vitro In vitro | Enhance PPARγ and C/EBP members (C/EBPα, β, and δ); Downregulate C/EBPβ in the later stage of the adipogenesis process | |
 TAZ | Rat Mice | BM-MSCs 3T3-L1 preadipocytes | In vitro In vitro | Inhibit TAZ and ALP; overexpression of TAZ suppresses adipogenesis and promotes the trans-differentiation of preadipocytes into osteocytes | |
 GILZ | Mice Mice | BM-MSCs 3T3-L1 preadipocytes | In vitro In vivo | Activate GILZ; overexpression of GILZ enhances osteogenesis, inhibits adipogenesis by inhibiting PPARγ2 and C/EBPα, and GILZ inhibits PPAR-γ2 mediated by C/EBP-δ | |
 Prostaglandin E2 | Human | BM-MSCs | In vitro | Induce prostaglandin receptors to inhibit osteogenesis and enhance adipogenesis | [89] |
MicroRNAs’ detailed information is shown in Table 2 | |||||
 Long non-coding RNAs | Rat Human | BM-MSCs BM-MSCs | In vitro In vitro | Downregulate lncRNA TCONS_00041960 and lncRNA RP11-154D6; lncRNA TCONS_00041960 enhances osteogenesis and inhibits adipogenesis by targeting miR-204-5p and miR125a-3p | |
Other regulators | |||||
 Oxidative stress | Mice Rat | Osteoblasts Osteoblasts | In vitro In vitro | Increase ROS to decrease Cbfa1 expression; N-acetylcysteine mitigates the detrimental effects of GC-induced oxidative stress | |
 FilGAP–FLNA | Human | BM-MSCs | In vitro | Antagonize mechanical forces; FLNA and c-Tubulin play an important role in mechanical regulation during osteogenesis and adipogenesis |