Reproductive factors and risk of hormone receptor positive and negative breast cancer: a cohort study.
Reproductive factors and risk of hormone receptor positive and negative breast cancer: a cohort study.
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DOI:
10.1186/1471-2407-13-584
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发表时间:
2013-12-09
期刊:
影响因子:
3.8
通讯作者:
Kaaks R
中科院分区:
文献类型:
--
作者:
Ritte R;Tikk K;Lukanova A;Tjønneland A;Olsen A;Overvad K;Dossus L;Fournier A;Clavel-Chapelon F;Grote V;Boeing H;Aleksandrova K;Trichopoulou A;Lagiou P;Trichopoulos D;Palli D;Berrino F;Mattiello A;Tumino R;Sacerdote C;Quirós JR;Buckland G;Molina-Montes E;Chirlaque MD;Ardanaz E;Amiano P;Bueno-de-Mesquita HB;van Gils CH;Peeters PH;Wareham N;Khaw KT;Key TJ;Travis RC;Weiderpass E;Dumeaux V;Lund E;Sund M;Andersson A;Romieu I;Rinaldi S;Vineis P;Merritt MA;Riboli E;Kaaks R
The association of reproductive factors with hormone receptor (HR)-negative breast tumors remains uncertain. Within the EPIC cohort, Cox proportional hazards models were used to describe the relationships of reproductive factors (menarcheal age, time between menarche and first pregnancy, parity, number of children, age at first and last pregnancies, time since last full-term childbirth, breastfeeding, age at menopause, ever having an abortion and use of oral contraceptives [OC]) with risk of ER-PR- (n = 998) and ER+PR+ (n = 3,567) breast tumors. A later first full-term childbirth was associated with increased risk of ER+PR+ tumors but not with risk of ER-PR- tumors (≥35 vs. ≤19 years HR: 1.47 [95% CI 1.15-1.88] ptrend < 0.001 for ER+PR+ tumors; ≥35 vs. ≤19 years HR: 0.93 [95% CI 0.53-1.65] ptrend = 0.96 for ER-PR- tumors; P het = 0.03). The risk associations of menarcheal age, and time period between menarche and first full-term childbirth with ER-PR-tumors were in the similar direction with risk of ER+PR+ tumors (phet = 0.50), although weaker in magnitude and statistically only borderline significant. Other parity related factors such as ever a full-term birth, number of births, age- and time since last birth were associated only with ER+PR+ malignancies, however no statistical heterogeneity between breast cancer subtypes was observed. Breastfeeding and OC use were generally not associated with breast cancer subtype risk. Our study provides possible evidence that age at menarche, and time between menarche and first full-term childbirth may be associated with the etiology of both HR-negative and HR-positive malignancies, although the associations with HR-negative breast cancer were only borderline significant.
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影响因子:
5.4
作者:
Heuch, I;Albrektsen, G;Kvåle, G
通讯作者:
Kvåle, G
影响因子:
3.3
作者:
James, Rebecca E.;Lukanova, Annekatrin;Kaaks, Rudolf
通讯作者:
Kaaks, Rudolf
影响因子:
7.4
作者:
Allred, DC;Brown, P;Medina, D
通讯作者:
Medina, D
DOI:
10.1186/bcr3186
发表时间:
2012-05-14
期刊:
Breast cancer research : BCR
影响因子:
--
作者:
Ritte R;Lukanova A;Berrino F;Dossus L;Tjønneland A;Olsen A;Overvad TF;Overvad K;Clavel-Chapelon F;Fournier A;Fagherazzi G;Rohrmann S;Teucher B;Boeing H;Aleksandrova K;Trichopoulou A;Lagiou P;Trichopoulos D;Palli D;Sieri S;Panico S;Tumino R;Vineis P;Quirós JR;Buckland G;Sánchez MJ;Amiano P;Chirlaque MD;Ardanaz E;Sund M;Lenner P;Bueno-de-Mesquita B;van Gils CH;Peeters PH;Krum-Hansen S;Gram IT;Lund E;Khaw KT;Wareham N;Allen NE;Key TJ;Romieu I;Rinaldi S;Siddiq A;Cox D;Riboli E;Kaaks R
通讯作者:
Kaaks R
影响因子:
64.8
作者:
Asselin-Labat, Marie-Liesse;Vaillant, Francois;Visvader, Jane E.
通讯作者:
Visvader, Jane E.