Association of breast cancer risk in BRCA1 and BRCA2 mutation carriers with genetic variants showing differential allelic expression: identification of a modifier of breast cancer risk at locus 11q22.3
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Association of breast cancer risk in BRCA1 and BRCA2 mutation carriers with genetic variants showing differential allelic expression : identification of a modifier of breast cancer risk at locus 11q22.3. / Hamdi, Yosr; Soucy, Penny; Kuchenbaeker, Karoline B; Pastinen, Tomi; Droit, Arnaud; Lemaçon, Audrey; Adlard, Julian; Aittomäki, Kristiina; Andrulis, Irene L; Arason, Adalgeir; Arnold, Norbert; Azzollini, Jacopo; Arun, Banu K; Bane, Anita; Barjhoux, Laure; Barrowdale, Daniel; Benitez, Javier; Berthet, Pascaline; Blok, Marinus J; Bobolis, Kristie A; Bonadona, Valérie; Bonanni, Bernardo; Bradbury, Angela R; Brewer, Carole; Buecher, Bruno; Buys, Saundra; Caligo, Maria A; Chiquette, Jocelyne; Chung, Wendy K; Claes, Kathleen B M; Daly, Mary B; Damiola, Francesca; Davidson, Rosemarie; de la Hoya, Miguel; De Leeneer, Kim; Diez, Orland; Ding, Yuan Chun; Dolcetti, Riccardo; Domchek, Susan M; Dorfling, Cecilia M; Eccles, Diana; Eeles, Ros; Einbeigi, Zakaria; Ejlertsen, Bent; EMBRACE; Engel, Christoph; Gareth Evans, D; Feliubadaló, Lidia; Foretova, Lenka; Fostira, Florentia; Gerdes, Anne-Marie; Easton, Douglas F.; Antoniou, Antonis C; Simard, Jacques.
In: Breast Cancer Research and Treatment, Vol. 161, No. 1, 01.2017, p. 117-134.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Association of breast cancer risk in BRCA1 and BRCA2 mutation carriers with genetic variants showing differential allelic expression
T2 - identification of a modifier of breast cancer risk at locus 11q22.3
AU - Hamdi, Yosr
AU - Soucy, Penny
AU - Kuchenbaeker, Karoline B
AU - Pastinen, Tomi
AU - Droit, Arnaud
AU - Lemaçon, Audrey
AU - Adlard, Julian
AU - Aittomäki, Kristiina
AU - Andrulis, Irene L
AU - Arason, Adalgeir
AU - Arnold, Norbert
AU - Azzollini, Jacopo
AU - Arun, Banu K
AU - Bane, Anita
AU - Barjhoux, Laure
AU - Barrowdale, Daniel
AU - Benitez, Javier
AU - Berthet, Pascaline
AU - Blok, Marinus J
AU - Bobolis, Kristie A
AU - Bonadona, Valérie
AU - Bonanni, Bernardo
AU - Bradbury, Angela R
AU - Brewer, Carole
AU - Buecher, Bruno
AU - Buys, Saundra
AU - Caligo, Maria A
AU - Chiquette, Jocelyne
AU - Chung, Wendy K
AU - Claes, Kathleen B M
AU - Daly, Mary B
AU - Damiola, Francesca
AU - Davidson, Rosemarie
AU - de la Hoya, Miguel
AU - De Leeneer, Kim
AU - Diez, Orland
AU - Ding, Yuan Chun
AU - Dolcetti, Riccardo
AU - Domchek, Susan M
AU - Dorfling, Cecilia M
AU - Eccles, Diana
AU - Eeles, Ros
AU - Einbeigi, Zakaria
AU - Ejlertsen, Bent
AU - EMBRACE
AU - Engel, Christoph
AU - Gareth Evans, D
AU - Feliubadaló, Lidia
AU - Foretova, Lenka
AU - Fostira, Florentia
AU - Gerdes, Anne-Marie
AU - Easton, Douglas F.
AU - Antoniou, Antonis C
AU - Simard, Jacques
PY - 2017/1
Y1 - 2017/1
N2 - PURPOSE: Cis-acting regulatory SNPs resulting in differential allelic expression (DAE) may, in part, explain the underlying phenotypic variation associated with many complex diseases. To investigate whether common variants associated with DAE were involved in breast cancer susceptibility among BRCA1 and BRCA2 mutation carriers, a list of 175 genes was developed based of their involvement in cancer-related pathways.METHODS: Using data from a genome-wide map of SNPs associated with allelic expression, we assessed the association of ~320 SNPs located in the vicinity of these genes with breast and ovarian cancer risks in 15,252 BRCA1 and 8211 BRCA2 mutation carriers ascertained from 54 studies participating in the Consortium of Investigators of Modifiers of BRCA1/2.RESULTS: We identified a region on 11q22.3 that is significantly associated with breast cancer risk in BRCA1 mutation carriers (most significant SNP rs228595 p = 7 × 10(-6)). This association was absent in BRCA2 carriers (p = 0.57). The 11q22.3 region notably encompasses genes such as ACAT1, NPAT, and ATM. Expression quantitative trait loci associations were observed in both normal breast and tumors across this region, namely for ACAT1, ATM, and other genes. In silico analysis revealed some overlap between top risk-associated SNPs and relevant biological features in mammary cell data, which suggests potential functional significance.CONCLUSION: We identified 11q22.3 as a new modifier locus in BRCA1 carriers. Replication in larger studies using estrogen receptor (ER)-negative or triple-negative (i.e., ER-, progesterone receptor-, and HER2-negative) cases could therefore be helpful to confirm the association of this locus with breast cancer risk.
AB - PURPOSE: Cis-acting regulatory SNPs resulting in differential allelic expression (DAE) may, in part, explain the underlying phenotypic variation associated with many complex diseases. To investigate whether common variants associated with DAE were involved in breast cancer susceptibility among BRCA1 and BRCA2 mutation carriers, a list of 175 genes was developed based of their involvement in cancer-related pathways.METHODS: Using data from a genome-wide map of SNPs associated with allelic expression, we assessed the association of ~320 SNPs located in the vicinity of these genes with breast and ovarian cancer risks in 15,252 BRCA1 and 8211 BRCA2 mutation carriers ascertained from 54 studies participating in the Consortium of Investigators of Modifiers of BRCA1/2.RESULTS: We identified a region on 11q22.3 that is significantly associated with breast cancer risk in BRCA1 mutation carriers (most significant SNP rs228595 p = 7 × 10(-6)). This association was absent in BRCA2 carriers (p = 0.57). The 11q22.3 region notably encompasses genes such as ACAT1, NPAT, and ATM. Expression quantitative trait loci associations were observed in both normal breast and tumors across this region, namely for ACAT1, ATM, and other genes. In silico analysis revealed some overlap between top risk-associated SNPs and relevant biological features in mammary cell data, which suggests potential functional significance.CONCLUSION: We identified 11q22.3 as a new modifier locus in BRCA1 carriers. Replication in larger studies using estrogen receptor (ER)-negative or triple-negative (i.e., ER-, progesterone receptor-, and HER2-negative) cases could therefore be helpful to confirm the association of this locus with breast cancer risk.
KW - Journal Article
U2 - 10.1007/s10549-016-4018-2
DO - 10.1007/s10549-016-4018-2
M3 - Journal article
C2 - 27796716
VL - 161
SP - 117
EP - 134
JO - Breast Cancer Research and Treatment
JF - Breast Cancer Research and Treatment
SN - 0167-6806
IS - 1
ER -
ID: 176009764