Given breast cancer, does breast size matter? Data from a prospective breast cancer cohort.Markkula, Andrea; Bromée, Anna; Henningson, Maria; Hietala, Maria; Ringberg, Anita; Ingvar, Christian; Rose, Carsten; Jernström, Helena Link to publication Citation for published version (APA): Markkula, A., Bromée, A., Henningson, M., Hietala, M., Ringberg, A., Ingvar, C., ... Jernström, H. (2012). Given breast cancer, does breast size matter? Data from a prospective breast cancer cohort. Cancer Causes and Control, 23(8), 1307-1316. DOI: 10.1007 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal
Coffee prevents early events in tamoxifen-treated breast cancer patients and modulates hormone receptor status.Simonsson, Maria; Söderlind, Viktoria; Henningson, Maria; Hjertberg, Maria; Rose, Carsten; Ingvar, Christian; Jernström, Helena General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal Moderate to high coffee consumption was associated with significantly decreased risk for early events in tamoxifen-treated patients and modified hormone receptor status. If confirmed, new recommendations regarding coffee consumption during tamoxifen-treatment may be warranted.
Background:The androgen receptor (AR) is frequently expressed in breast cancers. The AR genotype may affect disease-free survival and response to endocrine therapy.Methods:In all, 634 women undergoing breast cancer surgery between 2002 and 2008 were followed until 30 June 2010. Six haplotype-tagging single-nucleotide polymorphisms in the AR, and the resulting AR diplotypes, were examined in relation to breast cancer patient characteristics, tumour characteristics, disease-free survival, and response to endocrine treatment.Results:Five common AR diplotypes were found. Seventeen rare variants were combined into a composite group. The resulting six AR diplotype groups were clustered into two subgroups, groups A (n=128) and B (n=499), with three diplotypes in each. Patients in group B had larger total breast volume (P=0.024), higher body mass index (BMI) (P=0.050), more axillary lymph node involvement (Ptrend=0.020), and higher histological grade (Ptrend=0.031). There were 59 breast cancer events in the 569 patients with invasive cancers and no preoperative treatment. Patients in group B also had shorter disease-free survival (P=0.037) than patients in group A. Among patients in group B with oestrogen receptor α positive tumours, tamoxifen (TAM) treatment was associated with longer disease-free survival (P=0.008), while treatment with aromatase inhibitors (AIs) was not (P=0.94). Response to endocrine treatment could not be predicted based on BMI, suggesting that the effect of AR diplotypes went beyond that of a higher BMI.Conclusion:A marker for a group of patients who responded to TAM, but not to AIs, was identified. If this finding is confirmed, AR genotyping may provide useful information for selection of endocrine treatment of breast cancer patients.
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