In a preliminary study, we have identified unique signatures for each histologic subtype of kidney tumors. Expression values for downregulated miRNAs ranged from 0.3-fold (in VHL-clear cell RCC) up to 0.393 fold (in Pap-II HLRCC tumors). Commonly lost miRNAs in clear cell tumors (both sporadic and clear cell) included miR-184 and miR-206, while miR-122 and -143 were the most commonly downregulated in Papillary type I tumors. Our data supports the hypothesized involvement of miR-92a and miR-210 in clear cell tumors. ccRCC expressed increased amount of miR92a and these tumors showed decreased levels of VHL mRNA, supporting the concept that microRNAs may influence transcript abundance of protein-coding target genes in RCC.

Agency
National Institute of Health (NIH)
Institute
National Cancer Institute (NCI)
Type
Investigator-Initiated Intramural Research Projects (ZIA)
Project #
1ZIABC011405-09
Application #
10014663
Study Section
Project Start
Project End
Budget Start
Budget End
Support Year
9
Fiscal Year
2019
Total Cost
Indirect Cost
Name
National Cancer Institute Division of Basic Sciences
Department
Type
DUNS #
City
State
Country
Zip Code
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