Genomic loss of microRNA-101 leads to overexpression of histone methyltransferase EZH2 in cancer

Sooryanarayana Varambally, Qi Cao, Ram Shankar Mani, Sunita Shankar, Xiaosong Wang, Bushra Ateeq, Bharathi Laxman, Xuhong Cao, Xiaojun Jing, Kalpana Ramnarayanan, J. Chad Brenner, Jindan Yu, Jung H. Kim, Bo Han, Patrick Tan, Chandan Kumar-Sinha, Robert J. Lonigro, Nallasivam Palanisamy, Christopher A. Maher, Arul M. Chinnaiyan

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Abstract

Enhancer of zeste homolog 2 (EZH2) is a mammalian histone methyltransferase that contributes to the epigenetic silencing of target genes and regulates the survival and metastasis of cancer cells. EZH2 is overexpressed in aggressive solid tumors by mechanisms that remain unclear. Here we show that the expression and function of EZH2 in cancer cell lines are inhibited by microRNA-101 (miR-101). Analysis of human prostate tumors revealed that miR-101 expression decreases during cancer progression, paralleling an increase in EZH2 expression. One or both of the two genomic loci encoding miR-101 were somatically lost in 37.5% of clinically localized prostate cancer cells (6 of 16) and 66.7% of metastatic disease cells (22 of 33). We propose that the genomic loss of miR-101 in cancer leads to overexpression of EZH2 and concomitant dysregulation of epigenetic pathways, resulting in cancer progression.

Original languageEnglish (US)
Pages (from-to)1695-1699
Number of pages5
JournalScience
Volume322
Issue number5908
DOIs
StatePublished - Dec 12 2008

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MicroRNAs
Neoplasms
Epigenomics
Gene Silencing
histone methyltransferase
Enhancer of Zeste Homolog 2 Protein
Prostate
Prostatic Neoplasms
Neoplasm Metastasis
Cell Line
Survival

ASJC Scopus subject areas

  • General

Cite this

Varambally, S., Cao, Q., Mani, R. S., Shankar, S., Wang, X., Ateeq, B., ... Chinnaiyan, A. M. (2008). Genomic loss of microRNA-101 leads to overexpression of histone methyltransferase EZH2 in cancer. Science, 322(5908), 1695-1699. https://doi.org/10.1126/science.1165395

Genomic loss of microRNA-101 leads to overexpression of histone methyltransferase EZH2 in cancer. / Varambally, Sooryanarayana; Cao, Qi; Mani, Ram Shankar; Shankar, Sunita; Wang, Xiaosong; Ateeq, Bushra; Laxman, Bharathi; Cao, Xuhong; Jing, Xiaojun; Ramnarayanan, Kalpana; Brenner, J. Chad; Yu, Jindan; Kim, Jung H.; Han, Bo; Tan, Patrick; Kumar-Sinha, Chandan; Lonigro, Robert J.; Palanisamy, Nallasivam; Maher, Christopher A.; Chinnaiyan, Arul M.

In: Science, Vol. 322, No. 5908, 12.12.2008, p. 1695-1699.

Research output: Contribution to journalArticle

Varambally, S, Cao, Q, Mani, RS, Shankar, S, Wang, X, Ateeq, B, Laxman, B, Cao, X, Jing, X, Ramnarayanan, K, Brenner, JC, Yu, J, Kim, JH, Han, B, Tan, P, Kumar-Sinha, C, Lonigro, RJ, Palanisamy, N, Maher, CA & Chinnaiyan, AM 2008, 'Genomic loss of microRNA-101 leads to overexpression of histone methyltransferase EZH2 in cancer', Science, vol. 322, no. 5908, pp. 1695-1699. https://doi.org/10.1126/science.1165395
Varambally, Sooryanarayana ; Cao, Qi ; Mani, Ram Shankar ; Shankar, Sunita ; Wang, Xiaosong ; Ateeq, Bushra ; Laxman, Bharathi ; Cao, Xuhong ; Jing, Xiaojun ; Ramnarayanan, Kalpana ; Brenner, J. Chad ; Yu, Jindan ; Kim, Jung H. ; Han, Bo ; Tan, Patrick ; Kumar-Sinha, Chandan ; Lonigro, Robert J. ; Palanisamy, Nallasivam ; Maher, Christopher A. ; Chinnaiyan, Arul M. / Genomic loss of microRNA-101 leads to overexpression of histone methyltransferase EZH2 in cancer. In: Science. 2008 ; Vol. 322, No. 5908. pp. 1695-1699.
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AU - Wang, Xiaosong

AU - Ateeq, Bushra

AU - Laxman, Bharathi

AU - Cao, Xuhong

AU - Jing, Xiaojun

AU - Ramnarayanan, Kalpana

AU - Brenner, J. Chad

AU - Yu, Jindan

AU - Kim, Jung H.

AU - Han, Bo

AU - Tan, Patrick

AU - Kumar-Sinha, Chandan

AU - Lonigro, Robert J.

AU - Palanisamy, Nallasivam

AU - Maher, Christopher A.

AU - Chinnaiyan, Arul M.

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