Table 1 Outcomes of miR-34a modulation in models bearing p53 mutation

From: Alternative mechanisms of miR-34a regulation in cancer

Cancer type

Target cells

Type of p53 defect

Type of miR-34a modulation

Outcome

Reference

Glioblastoma

U251

R273H

Introduction of miRNA mimic

Inhibition of cell growth, cell cycle arrest, induction of apoptosis, reduction of in vitro migration and invasion capabilities

18

Myeloid leukemia

SKMM1

R248H

Introduction of synthetic miRNA oligos, stable overexpression

Growth inhibition

21

 

RPMI-8226

E285K

Introduction of synthetic miRNA oligos; intratumoral injection of formulated miR-34a

Growth inhibition; anti-tumor effect

21

 

OPM1

5 mutations in exons

Introduction of synthetic miRNA oligos

Growth inhibition

21

 

KASUMI-1

R248Q

Introduction of miRNA precursors

Reduction of PD-L1 expression

31

Lung cancer

SBC-5

R248L

Introduction of miRNA precursor

Inhibition of proliferation, sensitization to cisplatin-based therapy

44

 

H23

M246I

Introduction of synthetic miRNA oligos

Potentiation of the effect of EGFR inhibition

104

 

Calu-6

R196Stop

Introduction of synthetic miRNA oligos

Potentiation of the effect of EGFR inhibition

104

 

PC-9

R248Q

Introduction of synthetic miRNA oligos

Restoration of sensitivity to gefitinib

105

 

344SQ

R172HΔG

Liposomal in vivo delivery of mature miRNA

Downregulation of immune-suppressive PDL-1, prevention of immune evasion

48

Breast cancer

MDA-MB-231

R280K

Inducible overexpression

Inhibition of cell migration and invasion

76

 

BT-549

R249S

Introduction of miRNA precursor

Inhibition of cell migration and invasion

32

Ovarian cancer

SK-OV-3

H179R

Introduction of miRNA mimic

Reduced proliferation, motility, and invasion, no induction of apoptosis

20

 

SK-OV-3

H179R

Introduction of miRNA mimic

Restoration of epithelial phenotype, downregulation of Snail

90

 

ES-2

S241F

Introduction of miRNA mimic

Restoration of epithelial phenotype, downregulation of Snail

90

Prostate cancer

DU145

P223L

V274F

Introduction of synthetic miRNA oligos

Inhibition of cell proliferation and clonal expansion

47

 

DU145

P223L

V274F

In vivo co-delivery of doxorubicin and miR-34a using polypeptide-based cationic micelles

Inhibition of xenograft growth, induction of apoptosis/necrosis in vitro

112

 

DU145 - taxane resistant

P223L

V274F

Rubone-induced stabilization combined with paclitaxel

Decreased cell viability

113

Bladder cancer

5637

R280T

Introduction of miRNA precursor

Reduced clonogenic capacity, induction of senescence, sensitization to cisplatin

45

 

T24

In-frame deletion of Y126

Introduction of miRNA precursor

Reduced clonogenic capacity, induction of senescence, sensitization to cisplatin

45

Colon cancer

SW480

R273H P309S

Inducible overexpression

Cell cycle arrest, downregulation of cell cycle regulators

42

 

SW480

R273H P309S

Inhibition by antagomir

Induction of EMT-driving transcription factor Snail

12

 

SW480

R273H P309S

Inducible overexpression of pri-miR-34a

Restoration of epithelial phenotype, downregulation of stemness markers

12

 

SW480

R273H P309S

Introduction of miRNA mimic; inducible overexpression

No change in p53 expression

38, 42

Liver cancer

HuH7

Y220C

Systemic liposomal delivery in mice

Decreased orthotopic tumor mass

114