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BGI reports study results on frequent mutation of genes encoding UMPP components in kidney cancer
Date:12/4/2011

December 4th, 2011, Cambridge, MA and Shenzhen, China BGI, the world's largest genomics organization, announced that a study on frequent mutation of genes encoding ubiquitin-mediated proteolysis pathway (UMPP) components in clear cell renal cell carcinoma (ccRCC) is published online today in Nature Genetics. In addition to BGI, co-leaders of the study included Peking University Shenzhen Hospital, Shenzhen Second People's Hospital, among others. The study reveals that alteration of UMPP may contribute to ccRCC by activation of the hypoxia regulatory network, providing new clues to trace the key molecular mechanisms and pathways that underlie the tumorigenesis and progression of ccRCC.

Clear cell renal cell carcinoma (ccRCC) is the most common and aggressive type of kidney cancer, with 102,000 deaths worldwide each year. It is characterized by high metastatic potential and poor prognosis. Up to 40% of patients have disease recurrence after nephrectomy. In this study, the research team specifically looked at alterations in ubiquitin-mediated proteolysis pathway and studied its potential impacts linked to ccRCC tumorigenesis. The UMPP has been reported to be associated with many diseases including cancer and plays a critical role in the protein metabolism as a major pathway for protein degradation in cells.

"Adding to the previous research effort of transitional cell carcinoma in bladder cancer published in Nature Genetics earlier this year, we and our partners continued our study of strongly aggressive ccRCC tumors to identify the mutated genes associated with the process of tumorigenesis," said Guangwu Guo, one of the co-leading authors of the study and PI of this project at BGI. "The new discoveries in this study led us to a remarkable step in our understanding of the genetic landscape of ccRCCs and toward potential treatment against this aggressive tumor."

To gain a deep insight into the genetic basis of ccRCC, researchers a
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Contact: Jia Liu
liujia@genomics.cn
BGI Shenzhen
Source:Eurekalert

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