Table 3.
Effect of antidabetic biguanides on spontaneous and induced carcinogenesis in various target tissues of rodents.
Tumor target | Strain, species | Carcinogenic agent | Drug | Effect | References |
---|---|---|---|---|---|
Mammary gland | C3H/Sn mice | MMTV | Phenformin | Inhibition | 133 |
FVB/N mice | HER-2/neu | Metformin | Inhibition | 134,135 | |
SHR mice | spontaneous | Metformin | No effect | 136,137 | |
LIO rats | DMBA | Phenformin | Inhibition | 176,177 | |
LIO rats | DMBA | Buformin | Inhibition | 178 | |
LIO rats | NMU | Phenformin | Inhibition | 179 | |
SD rats | NMU | Metformin | Inhibition | 180 | |
SD rats | NMU | Metformin | Inhibition | 181 | |
Skin | SHR mice | Benzo(a)pyrene | Metformin | Inhibition | 182,183 |
Soft tissues | Outbred mice | MCA | Pheformin | Inhibition | 184 |
SHR mice | Benzo(a)pyrene | Metformin | Inhibition | 185 | |
Uterus | 129/Sv mice | Spontaneous | Metformin | Inhibition | 138 |
Endometrium | Balb/c mice | Estradiol, tamixifen | Metformin | Inhibition | 186 |
Cervix uteri and vagina | SHR mice | Benzo(a)pyrene | Metformin | Inhibition | 187 |
Lung | A/J mice | NNK | Metformin | Inhibition | 188 |
129/Sv mice | Urethan | Metformin | Inhibition | 189 | |
Liver | C57BL/6 mice | DENA | Metformin | Inhibition | 190 |
Pancreas | Hamsters | NBOPA | Metformin | Inhibition | 191 |
Pancreatic islets | CD1 mice | High carbohydrate fat diet | Metformin | Inhibition | 192 |
Oral mucosa | C57BL/6 mice | 4-NQO | Metformin | Inhibition | 193 |
Intestines | PTEN+/- mice | Spontaneous | Metformin | Inhibition | 194 |
Intestines | PTEN+/- mice | Spontaneous | Phenformin | Inhibition | 194 |
Small intestines | ApcMin/+ mice | Spontaneous | Metformin | Inhibition | 195 |
Colon | Balb/c mice | Azoxymethane | Metformin | Inhibition | 196 |
F344 rats | Azoxymethane | Metformin | Inhibition | 197 | |
LIO rats | DMH | Phenformin | Inhibition | 198,199 | |
Kidney | LIO rats | NEU, tp | Buformin | Inhibition | 200 |
Lymphoid tissue | PTEN+/- mice | Spontaneous | Metformin | Inhibition | 194 |
PTEN+/- mice | Spontaneous | Phenformin | Inhibition | 194 | |
Nervous system | LIO rats | NMU, tp | Buformin | Inhibition | 201 |
LIO rats | NEU, tp | Buformin | Inhibition | 200 | |
Total tumors | 129/Sv mice | Spontaneous | Metformin | Inhibition | 138 |
LIO rats | Spontaneous | Buformin | Inhibition | 140 | |
LIO rats | Spontaneous | Phenformin | Inhibition | 139,202 | |
LIO rats | X-rays | Phenformin | Inhibition | 139 |
B(a)P - Benzo(a)pyrene; DMBA – 7,12-dimethylbenz(a)anthracene; DMH - 1,2-dimethylhydrazine; E2 – estradiol-17β; MCA -20-methylcholantrene; MMTV – murine mammary tumor virus; NBOPA - N-nitrosobis(2-oxopropyl) amine; NEU - N-nitrosoethyl-urea; NMU – N-nitrosomethylurea; NNK - 4-(methylnitroanmino)-1-(3-pyridyl)-1-butanone; 4-NQO – 4-nitroquinoline-1-oxide.