Review Article

Molecular Profiles of Cell-to-Cell Variation in the Regenerative Potential of Mesenchymal Stromal Cells

Table 2

Global molecular signatures of cell subsets in heterogeneous MSC cultures.

Cell subsetMolecular signatureMSC sourceReference

Fast growing/multipotent relative to slow-growing MSCsUpregulated genes: ASPM, AURKB, CCNB2, CDC2, CDC20, CENPF, CEP55, CHEK1, CIT, CKS2, DLG7, E2F2, GINS2, LDB2, MAD2L1, NCAPG, PBK, POLQ, PTTG1, RPA3, RRM2, TOP2A, TWIST1, UBE2CHuman bone marrow and dental tissue[19]

Fast growing/multipotent MSCsUpregulated genes: ACAN, ALP1, BMP2, CDC2, CDH1, COL1A1, COL2A1, DLL3, DVL1, FGF2, FOXA2, GDF2, IGF1, JAG1, NEUROG2, NOTCH1, SOX2Human bone marrow[56]

Slow-growing MSCsUpregulated genes: ALDH1A1, CCND2, CD44, DTX1, FGF1, HSPA9, MSX1, TUBB3

Fast growing/multipotent MSCsUpregulated proteins: CALM1, POMC, TPM4Human bone marrow[60]

Slow-growing MSCsUpregulated proteins: ANXA1, CALD1, ENO1, GAPDH, HSP27, LMNA, PKM

Osteogenic MSCsUpregulated genes: Col1a1, Col1a2, Comp, Dlx3, Dlx5, Fgfr3, Fmod, Gli1, Hey1, Ibsp, Pitx1, Prrx2, Ptch1, Pth1r, Ror2, Sp7, Tbx3Mouse bone marrow[20]

Adipogenic MSCsUpregulated genes: Abca1, Abcg1, Cebpa, Ctgf, Cxcl12, Dlk1, Foxc2, Inhbb, Lpl, Nr1h3, Pgf, Plin4, Pparg, Prdm16, Sox5, Ucp2

Marrow-forming MSCs relative to MSCs that form fibrous tissueUpregulated genes: ASPN, BMP2, BMP4, CXCL1, DCN, EYA1, GNAS, ICAM1, IGF1, IL8, MEOX2, MN1, MSX2, OGN, OMD, PRRX1, SFRP2, WISP1Human bone marrow[84]
Downregulated gene: CNN1

Immunomodulatory, VCAM-1+ relative to VCAM-1- MSCsUpregulated genes: COX2, IDO1, IL1A, IL1B, IL6, IL8Human term placental chorionic villi[98]
Upregulated secreted protein: PGE2

Immunomodulatory, tetherin+ relative to tetherin- MSCsUpregulated genes: ADAR, BST2, EIF2AK2, IL18, ISG15, ISG20, MX1, MX2, OAS1, OAS2, OAS3, OASLHuman bone marrow[96]

Trophic activity, ALDHBright MSCsUniquely secreted proteins: ACVR1, ANG, GREM1, IGF1, METRN, PDGFA, PLXND1, SPON1, VEGFB, WNT5AHuman bone marrow[116]

Trophic activity, ALDHDim MSCsUniquely secreted proteins: ANGPTL3, APOH, BMP2, MMP19, PF4, PLG, PTPRM, PTPRU, TIE1

MSCs: mesenchymal stem cells. Nomenclature for global molecular signatures is provided in the supplementary material (available here).