Skip to main content

Table 1 Strategies safeguarding pluripotent stem cell therapy against iatrogenic cancerogenesis

From: ‘Above all, do no harm’: safeguarding pluripotent stem cell therapy against iatrogenic tumorigenesis

Authors

Stem cells

Key reagent

Procedure

Mechanism

Fong et al.[28]

Human embryonic

Mouse monoclonal antibodies anti-SSEA-4, anti-TRA-1-60

FACS, MACS

Depletion of SSEA-4+, TRA-1-60 + hESCs

Tang et al.[30]

Human embryonic

Mouse monoclonal antibodies anti-SSEA-5, CD9, CD90 or anti-SSEA-5, CD50, CD200

FACS

Depletion of SSEA-5+ hESCs

Human pluripotent induced

Ben-David et al.[31]

Human embryonic

Mouse monoclonal antibody anti-claudin-6

FACS

Depletion of claudin-6+ hESCs

Killing by toxins linked to antibodies

Human induced pluripotent

King et al.[29]

Human embryonic

Mouse monoclonal antibodies anti-SSEA-4, anti-TRA-1-60, anti-FGFR-1, anti-CD133, anti-CD13519

FACS

Separation of fate-specific subpopulations of GFP + hESCs

Malecki [11]

Human autologous induced pluripotent

Synthetic antibodies anti-SSEA-4, anti-TRA-1-60

MACS, FACS

Depletion of SSEA-4+, TRA-1-60+ non-differentiating hiPSCs

Gerrard et al.[32]

Human embryonic

Fusion protein expressed from OCT4-EGFP

Transfection with lentivirus vector

Monitoring and selection of differentiating cells

Eiges et al.[33]

Human embryonic

Fusion protein expressed from Rex1 (murine promoter)-EGFP

Electroporation LipofectAMINE, FuGENE, ExGen500

Monitoring and selection of undifferentiated cells

Nishimori et al.[16]

Murine induced pluripotent

Fusion protein expressed from NANOG-GFP

Selection in embryoid bodies

Discarding undifferentiated cells from EBs

van Laake et al.[34]

Murine induced pluripotent

Fusion protein expressed from NKX2-5-EGFP

FACS

Selection of differentiating cells

Chung S et al.[35]

Murine embryonic

Fusion protein expressed from SOX1-GFP

FACS

Selection of differentiating cells

Malecki et al.[10]

Human autologous induced pluripotent

Fusion fluorescent proteins expressed under promoters for OCLN5, CLDN5, TJP1, PECAM1, CDH5, CTNNB

Transfection with synthetic antibody-guided vector

Monitoring and selecting of differentiating cells

Choo et al.[36]

Human embryonic

Mouse monoclonal antibody anti-PODXL

Antibody dissolved in media

Killing undifferentiated cells

Schriebl et al.[37]

Human embryonic

Mouse monoclonal antibody anti-PODXL

Antibody dissolved in media

Sorting of undifferentiated cells + killing with toxic antibody

Lim et al.[38]

Human embryonic

ScFv 84-HTH antibody fragment anti- PODXL

Antibody dissolved in media

Killing undifferentiated cells in EBs prior to transplantation

Ben-David et al.[39]

Human induced pluripotent

PluriSIn#1

Reagent dissolved in media

Inhibition of SCD1 leading to UPR, ER stress, and apoptosis

Conesa et al.[40]

Murine embryonic

Benzethonium chloride, methylbenzethonium chloride

Reagent dissolved in media

Mitochondrial membrane permeability, apoptosis

Human induced pluripotent

Lee et al.[41]

Human embryonic Human induced pluripotent

Quercetin, YM155

Reagent dissolved in media

Mitochondria-mediated selective cell death

Vazquez-Martin et al.[42]

Murine induced pluripotent

Metformin

Reagent dissolved in media

Apoptosis

Bieberich et al.[43]

Human embryonic Human induced pluripotent

S18 (N-oleoyl serinol)

Reagent dissolved in media

Apoptosis

Schuldiner et al.[44]

Human embryonic

HSV-TK under PGK promoter + GCV

Transfection with plasmid in ExGen500

Apoptosis

Hara et al.[45]

Human embryonic

HSV-TK under OCT4 promoter + GCV

Transfection with viral vector

Apoptosis

Rong et al.[46]

Human embryonic

HSV-TK gene into NANOG locus + GCV

Homologous recombination

Apoptosis

Cheng et al.[47]

Human embryonic

HSV-δTK under mouse NANOG or EF1α promoter + GCV

Transfection with lentiviral vector

Apoptosis

Human induced pluripotent

Chen et al.[48]

Murine undifferentiated pluripotent stem

Recombinant cytosine deaminase under mouse NANOG or EF1α promoter + 5-fluorocytosine

Transfection with lentiviral vector

Apoptosis

Malecki et al.[50]

Human autologous induced pluripotent

Human recombinant DNASE1, DNASE1L3, DNASE2, DFFB under POLA1 promoter

Transfection with anti-SSEA-4-guided vector

Apoptosis + necrosis

  1. EB, embryoid body; EGFP, enhanced green fluorescent protein; ER, endoplasmic reticulum; FACS, fluorescence activated cell sorting; FGFR, fibroblast growth factor receptor; GCV, ganciclovir; GFP, green fluorescent protein; hESC, human embryonic stem cell; hiPSC, human induced pluripotent stem cell; HSV, herpes simplex virus; MACS, magnetic activated cell sorting; SCD1, stearoyl-CoA desaturase 1; SSEA, stage specific embryonic antigen; TK, thymidine kinase; TRA, tumor related antigen; UPR, unfolded protein response.