Expression of Insulin-like Growth Factor Family Genes in Clear Cell Renal Cell Carcinoma
Overview
Affiliations
Aim Of The Study: Despite significant progress in the pathology of clear cell renal cell carcinoma (ccRCC), diagnostic and predictive factors of major importance have not been discovered. Some hopes are associated with insulin-like growth factors. The aim of the study was to compare the expression of genes for insulin-like growth factor family in tumours and in tissue of kidneys without cancer.
Material And Methods: Fifty-two patients years with clear cell renal cell cancer were qualified to the study group; patients nephrectomised because of hydronephrosis were included in the control group. Expression of genes were evaluated by RT-PCR.
Results: Expression of IGFR-1 gene in tumour accounts for about 60% of cases. The incidence is higher than in corresponding adjacent non-cancerous kidney tissues and higher (but with no statistical significance) than in kidney without cancer. Expression of IGFR-2 gene in tumours has not been established. The incidence of the expression in corresponding adjacent non-cancerous kidney tissues is small. Expression of this gene has been present in all specimens from kidneys without cancer. Expression of IGFBP-3 gene ascertained in all (except four) cases of ccRCC and in the majority of clippings from adjacent tissue. It was not found in kidneys from the control group. IGF-1, IGF-2, and IGFR-1 mRNA copy numbers in ccRCC were higher than in the material from the control group.
Liu Y, Lv H, Li X, Liu J, Chen S, Chen Y Int J Biol Sci. 2021; 17(13):3522-3537.
PMID: 34512163 PMC: 8416721. DOI: 10.7150/ijbs.62114.
Song W, Shao Y, He X, Gong P, Yang Y, Huang S Front Mol Biosci. 2020; 7:565173.
PMID: 33324675 PMC: 7726438. DOI: 10.3389/fmolb.2020.565173.
Ng K, Taguchi Y Sci Rep. 2020; 10(1):15149.
PMID: 32938959 PMC: 7494921. DOI: 10.1038/s41598-020-71997-6.
Apanovich N, Peters M, Apanovich P, Mansorunov D, Markova A, Matveev V Diagnostics (Basel). 2020; 10(1).
PMID: 31936274 PMC: 7168144. DOI: 10.3390/diagnostics10010030.
Estrogen affects cell growth and IGF-1 receptor expression in renal cell carcinoma.
Sun L, Gao Z, Luo L, Tan H, Zhang G Onco Targets Ther. 2018; 11:5873-5878.
PMID: 30271170 PMC: 6149902. DOI: 10.2147/OTT.S172149.