Review Article

Involvement of Noncoding RNAs in the Differentiation of Osteoclasts

Table 1

Major ncRNAs related to biological events in osteoclasts.

miRNA (miR)Validated target(s)FunctionsExpressionEffect(s)References

lncRNA-LINC00311DLL3PositiveNot mentionedPromotes osteoclast proliferation and differentiation, shifts cell cycle distribution, and inhibits apoptosis[101]
lncRNA-AK077216Not mentionedPositiveUpregulatedInhibits OCP apoptosis and promotes osteoclast differentiation, fusion, bone-resorbing activity, and actin ring formation[98]
lncRNA-CRNDENot mentionedPositiveNot mentionedPromotes osteoclast proliferation and shifts cell cycle distribution[113]
lncRNA-MAYANot mentionedPositiveNot mentionedPromotes osteoclast differentiation and bone-resorbing activity[136]
lncRNA-MIRGNot mentionedPositiveUpregulatedMIRG inhibition decreases osteoclast differentiation and bone-resorbing activity[83]
lncRNA-MALAT1Not mentionedPositiveNot mentionedEPC-derived exosomal MALAT1 promotes osteoclast differentiation and migration[82]
lncRNA-DANCRNot mentionedPositiveNot mentionedKnockdown of DANCR reduces the promotion effect of compression force on osteoclastogenesis[104, 105]
lncRNA-TUG1Not mentionedPositiveNot mentionedPromotes osteoclast proliferation and inhibits osteoclast apoptosis[112]
lncRNA-Jak3Not mentionedPositiveUpregulatedRegulates the Jak3-NFATc1-CTSK axis; lncRNA-Jak3 knockdown inhibits osteoclast differentiation and bone-resorbing activity[100]
circRNA_28313Not mentionedPositiveUpregulatedcircRNA_28313 knockdown inhibits osteoclastogenesis and actin ring formation[29]
miR-21PDCD4, FasLPositiveUpregulatedDownregulates PDCD4 and forms a c-Fos/miR-21/PDCD4 positive feedback loop and promotes osteoclast differentiation and bone-resorbing activity while inhibiting apoptosis[23, 26, 78, 117, 163, 164, 185, 188191]
miR-29NFI-A, CALCR, CDC42, SRGAP2, GPR85, CD93PositiveUpregulatedPromotes osteoclast differentiation, survival, and bone-resorbing activity[78, 117, 129, 190, 191]
miR-214PTENPositiveUpregulatedDownregulates PTEN and regulates the PTEN-PI3K-AKT axis, promotes osteoclast activity, and mediates osteoclast-osteoblast intercellular crosstalk[108, 109, 117, 190, 192]
miR-182PKRPositiveUpregulatedDownregulates PKR, promotes osteoclast differentiation and bone-resorbing activity[88, 115]
miR-183HO-1PositiveUpregulatedDownregulates HO-1, promotes osteoclastogenesis[117, 118, 190]
miR-31RhoAPositiveUpregulatedNegatively regulates RhoA expression at an appropriate level; miR-31 inhibition inhibits osteoclast formation, bone-resorbing activity, and actin ring formation[78, 117, 139, 191]
miR-34cLGR4PositiveUpregulatedDownregulates LGR4, promotes the formation of actin rings and TRAP-positive multinucleated cells[97]
miR-148aMAFBPositiveUpregulatedDownregulates MAFB, promotes osteoclastogenesis[78, 117, 123, 124, 190]
miR-9718PIAS3PositiveUnregulatedDownregulates PIAS3, promotes osteoclastogenesis[117, 126, 127, 190]
miR-483-5pIGF2PositiveNot mentionedDownregulates IGF2, promotes osteoclast differentiation and survival[71]
miR-506SIRT1PositiveUpregulatedDownregulates SIRT1; a miR-506 inhibitor suppresses osteoclastogenesis[128]
miR-363-3pPTENPositiveUpregulatedTargets PTEN to activate the PI3K/AKT signaling pathway, promotes osteoclastogenesis[110]
miR-125a-5pTNFRSF1BPositiveUpregulatedDownregulates TNFRSF1B, promotes osteoclastogenesis, OCP proliferation, and growth, migration, and invasion of RAW264.7 cells[66]
miR-142-5pPTENPositiveUpregulatedTargets PTEN to activate the PI3K/AKT signaling pathway, promotes osteoclast differentiation and activity[111]
miR-199a-5pMAFBPositiveUpregulatedSuppresses MAFB, promotes osteoclast differentiation[125]
miR-145-5pOPGPositiveNot mentionedSuppresses OPG, promotes osteoclastogenesis[49]
miR-212IL-15, CX3CR1PositiveUpregulatedDownregulates IL-15; miR-212 inhibition impairs osteoclastogenesis[33]
miR-132IRF1PositiveUpregulatedDownregulates IRF1; miR-132 inhibition impairs osteoclastogenesis[33]
miR-99bIGF1RPositiveUpregulatedDownregulates IGF1R; miR-99b inhibition impairs osteoclastogenesis[33]
miR-let-7eTNFAIP3, ITGA4, THBS1PositiveUpregulatedDownregulates TNFAIP3, ITGA4, and THBS1; miR-let-7e inhibition impairs osteoclastogenesis[33]
miR-146a-5pNot mentionedPositiveNot mentionedmiR-146a-5p knockdown impairs osteoclast differentiation and bone resorption[172]
lncRNA-NONMMUT037835.2Not mentionedNegativeDownregulatedInhibits osteoclastogenesis[40]
lncRNA-BmncrNot mentionedNegativeDownregulatedInhibits osteoclast differentiation and bone-resorbing activity[171]
miR-218TNFR1, TLR4, MMP9NegativeDownregulatedInhibits the p38MAPK-c-Fos-NFATc1 pathway, represses TNFR1, TLR4, and MMP9, inhibits osteoclastogenesis, cell migration, actin ring formation, and bone resorption[58, 73, 86, 117, 158, 190]
miR-34aTgif2NegativeDownregulatedDownregulates Tgif2, inhibits osteoclast differentiation and bone-resorbing activity[117, 120, 190, 191]
miR-155MITF, Socs1NegativeDownregulatedDownregulates MITF, PU.1, and Socs1, inhibits osteoclast fusion, differentiation, and bone-resorbing activity[23, 31, 78, 89, 90, 190, 191]
miR-7bDC-STAMPNegativeDownregulatedDownregulates DC-STAMP, inhibits osteoclast differentiation and bone-resorbing activity[117, 132]
miR-26aCTGFNegativeUpregulatedDownregulates CTGF; inhibits osteoclastogenesis, actin ring formation, and bone-resorbing activity[117, 134, 190]
miR-124NFATc1, Rab27a, IL-11NegativeDownregulatedDownregulates NFATc1, Rab27a, and IL-11, inhibits the proliferation and motility of OCPs, and decreases osteoclast differentiation and activity[37, 78, 80, 117, 166, 167, 190, 191]
miR-125aTRAF6, TNFAIP3Negative/positiveDownregulated/upregulatedInhibited by NFATc1; inhibits osteoclast differentiation and downregulates TRAF6; miR-125a inhibition suppresses osteoclastogenesis and upregulates TNFAIP3[33, 57, 78, 117, 190, 191]
miR-146aTRAF6NegativeDownregulated/upregulatedDownregulates TRAF6, inhibits osteoclastogenesis[56, 77, 78, 117, 190, 191, 193, 194]
miR-503RANKNegativeNot mentionedDownregulates RANK, inhibits osteoclast differentiation and bone-resorbing activity[38, 78, 117, 190, 195]
miR-145Smad3NegativeDownregulatedDownregulates Smad3, inhibits osteoclast differentiation and bone-resorbing activity[60]
miR-142-3pPKCαNegativeDownregulatedDownregulates PKCα, inhibits osteoclast clustering, fusion, differentiation, and survival[141]
miR-222-3pPotential: c-SrcNegativeDownregulatedNegatively regulates c-Src, inhibits osteoclast differentiation and bone-resorbing activity[137]
miR-340MITFNegativeDownregulatedDownregulates MITF, inhibits osteoclastogenesis[121, 185]
miR-16-5pNot mentionedNegativeDownregulatedInhibits osteoclastogenesis and disrupts the structure of F-actin rings[170]
miR-126-5pMMP13NegativeNot mentionedDownregulates MMP13, inhibits osteoclast differentiation and bone-resorbing activity[159, 160]
miR-17PTP, Vav3 (potential)NegativeNot mentionedmiR17/PTP/EphA4 regulatory axis: decreased miR-17 upregulates PTP, PTP downregulates EphA4, which activates osteoclastogenesis; may downregulate Vav3 and thus inhibits osteoclast fusion[140, 155, 196]
miR-141MITF, CALCR, EphA2NegativeDownregulatedDownregulates MITF, CALCR, and EphA2; inhibits osteoclast differentiation and activity[52, 55]
miR-219MITF, TRAF6NegativeDownregulatedDownregulates MITF and TRAF6, inhibits osteoclast differentiation and activity[55]
miR-190CALCRNegativeDownregulatedDownregulates CALCR, inhibits osteoclast differentiation and activity[55]
miR-23aGSK3-βNegativeDownregulatedInhibits GSK3-β activation, inhibits osteoclast differentiation and activity[95]
miR-1225Keap1NegativeDownregulatedDownregulates Keap1, inhibits osteoclast differentiation and activity[119]
miR-100-5pFGF21NegativeDownregulatedDownregulates FGF21, inhibits osteoclastogenesis[50]
miR-27aPPARγ, APCNegativeNot mentionedDownregulates PPARγ and APC, inhibits osteoclast differentiation and activity in physiologic condition and ovariectomized (OVX) mice[84]
miR-618TLR4NegativeDownregulatedInhibits osteoclastogenesis via the TLR4/MyD88/NF-κB signaling pathway[73]
miR-30aDC-STAMPNegativeDownregulatedDownregulates DC-STAMP, inhibits osteoclast formation, differentiation, and activity[133]
miR-144-3pRANKNegativeDownregulatedDownregulates RANK, inhibits osteoclast differentiation, formation, proliferation, and apoptosis[39]
miR-9CblNegativeNot mentionedDownregulates Cbl, inhibits osteoclast survival and OCP migration[153]
miR-181aCblNegativeNot mentionedDownregulates Cbl, inhibits osteoclast survival and OCP migration[153]
miR-29bBMFNegative/positiveUpregulated/downregulatedDownregulates BMF; knockdown impairs osteoclast migration, commitment, and formation; inhibits osteoclast differentiation and activity; enhances osteoclast survival[122, 129, 147]
miR-378Not mentionedNegative/positiveUpregulatedOverexpression and underexpression of miR-378 inhibit osteoclastogenesis[55, 7678]
miR-223NFI-A, IKKα (potential)Negative/positiveDownregulatedPromotes osteoclastogenesis by regulating the relative expression of NFI-A and CSF1R, downregulates IKKα, and inhibits osteoclastogenesis[25, 27, 64, 77, 78, 117, 148, 150, 190]
miR-133aMITF, MMP14, CXCL11, CXCR3, SLC39A1Negative/positiveUpregulatedDownregulates MITF, MMP14, CXCL11, CXCR3, and SLC39A1; both positive and negative effects on osteoclastogenesis are reported[55, 75, 78, 92, 117, 197]
miR-106bRANKLNegative/positiveNot mentionedDownregulates RANKL, has different regulatory roles in CIA bone microenvironment and giant cell tumor of bone[41, 43]
miR-422aPotential: Cbl, CD226, IGF1, CBP, TOB2PositiveUpregulatedUnclear (probably inhibits those five inhibitors of osteoclastogenesis)[47, 78, 117]
miR-338-3pIKKβ, MAFB, RANKLNegative/positiveUpregulated/downregulatedDownregulates IKKβ, MAFB, and RANKL; both positive and negative effects on osteoclastogenesis are reported[42, 44, 62]