Common Variation at BARD1 Results in the Expression of an Oncogenic Isoform That Influences Neuroblastoma Susceptibility and Oncogenicity

被引：78

作者：

Bosse, Kristopher R. ^{[1
,2
,5
]}

Diskin, Sharon J. ^{[1
,2
]}

Cole, Kristina A. ^{[1
,2
,5
]}

Wood, Andrew C. ^{[1
,2
,5
]}

Schnepp, Robert W. ^{[1
,2
,5
]}

Norris, Geoffrey ^{[1
,2
]}

Nguyen, Le B. ^{[1
,2
]}

Jagannathan, Jayanti ^{[1
,2
]}

Laquaglia, Michael ^{[1
,2
]}

Winter, Cynthia ^{[1
,2
]}

Diamond, Maura ^{[1
,2
]}

Hou, Cuiping ^{[4
]}

Attiyeh, Edward F. ^{[1
,2
,5
]}

Mosse, Yael P. ^{[1
,2
,5
]}

Pineros, Vanessa ^{[1
,2
]}

Dizin, Eva ^{[7
]}

Zhang, Yongqiang ^{[7
]}

Asgharzadeh, Shahab ^{[8
,9
]}

Seeger, Robert C. ^{[8
,9
]}

Capasso, Mario ^{[10
]}

Pawel, Bruce R. ^{[5
]}

Devoto, Marcella ^{[3
,5
,11
]}

Hakonarson, Hakon ^{[4
,5
]}

Rappaport, Eric F. ^{[1
,2
,5
]}

Irminger-Finger, Irmgard ^{[7
]}

Maris, John M. ^{[1
,2
,5
,6
]}

机构：

[1] Childrens Hosp Philadelphia, Div Oncol, Philadelphia, PA 19104 USA

[2] Childrens Hosp Philadelphia, Ctr Childhood Canc Res, Philadelphia, PA 19104 USA

[3] Childrens Hosp Philadelphia, Div Genet, Philadelphia, PA 19104 USA

[4] Childrens Hosp Philadelphia, Ctr Appl Genom, Philadelphia, PA 19104 USA

[5] Univ Penn, Dept Pediat, Perelman Sch Med, Philadelphia, PA 19104 USA

[6] Univ Penn, Perelman Sch Med, Abramson Family Canc Res Inst, Philadelphia, PA 19104 USA

[7] Univ Hosp Geneva, Dept Med Genet & Lab Med, Dept Gynecol & Obstet, Mol Gynecol & Obstet Lab, Geneva, Switzerland

[8] Univ So Calif, Keck Sch Med, Childrens Hosp Los Angeles, Div Hematol Oncol, Los Angeles, CA 90033 USA

[9] Univ So Calif, Keck Sch Med, Childrens Hosp Los Angeles, Saban Res Inst, Los Angeles, CA 90033 USA

[10] Univ Naples Federico 2, Dipartimento Biochim & Biotecnol Med, CEINGE Biotecnol Avanzate Scarl, Naples, Italy

[11] Univ Roma La Sapienza, Dept Mol Med, Rome, Italy

来源：

CANCER RESEARCH | 2012年 / 72卷 / 08期

关键词：

CLINICALLY AGGRESSIVE NEUROBLASTOMA; HIGH-RISK NEUROBLASTOMA; COPY NUMBER VARIATION; DNA-DAMAGE; AURORA-A; N-MYC; CANCER; GENE; PHOSPHORYLATION; IDENTIFICATION;

D O I：

10.1158/0008-5472.CAN-11-3703

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

The mechanisms underlying genetic susceptibility at loci discovered by genome-wide association study (GWAS) approaches in human cancer remain largely undefined. In this study, we characterized the high-risk neuroblastoma association at the BRCA1-related locus, BARD1, showing that disease-associated variations correlate with increased expression of the oncogenically activated isoform, BARD1 beta. In neuroblastoma cells, silencing of BARD1 beta showed genotype-specific cytotoxic effects, including decreased substrate-adherence, anchorage-independence, and foci growth. In established murine fibroblasts, overexpression of BARD1 beta was sufficient for neoplastic transformation. BARD1 beta stabilized the Aurora family of kinases in neuroblastoma cells, suggesting both a mechanism for the observed effect and a potential therapeutic strategy. Together, our findings identify BARD1 beta as an oncogenic driver of high-risk neuroblastoma tumorigenesis, and more generally, they illustrate how robust GWAS signals offer genomic landmarks to identify molecular mechanisms involved in both tumor initiation and malignant progression. The interaction of BARD1 beta with the Aurora family of kinases lends strong support to the ongoing work to develop Aurora kinase inhibitors for clinically aggressive neuroblastoma. Cancer Res; 72(8); 2068-78. (C) 2012 AACR.

引用

页码：2068 / 2078

页数：11

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