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BRCA1-associated breast and ovarian cancer risks can be modified by common genetic variants. To identify further cancer risk-modifying loci, we performed a multi-stage GWAS of 11,705 BRCA1 carriers (of whom 5,920 were diagnosed with breast and 1,839 were diagnosed with ovarian cancer), with a further replication in an additional sample of 2,646 BRCA1 carriers. We identified a novel breast cancer risk modifier locus at 1q32 for BRCA1 carriers (rs2290854, P = 2.7 x 10(-8), HR = 1.14, 95% CI: 1.09-1.20). In addition, we identified two novel ovarian cancer risk modifier loci: 17q21.31 (rs17631303, P = 1.4 x 10(-8), HR = 1.27, 95% CI: 1.17-1.38) and 4q32.3 (rs4691139, P = 3.4 x 10(-8), HR = 1.20, 95% CI: 1.17-1.38). The 4q32.3 locus was not associated with ovarian cancer risk in the general population or BRCA2 carriers, suggesting a BRCA1-specific association. The 17q21.31 locus was also associated with ovarian cancer risk in 8,211 BRCA2 carriers (P = 2 x 10(-4)). These loci may lead to an improved understanding of the etiology of breast and ovarian tumors in BRCA1 carriers. Based on the joint distribution of the known BRCA1 breast cancer risk-modifying loci, we estimated that the breast cancer lifetime risks for the 5% of BRCA1 carriers at lowest risk are 28%-50% compared to 81%-100% for the 5% at highest risk. Similarly, based on the known ovarian cancer risk-modifying loci, the 5% of BRCA1 carriers at lowest risk have an estimated lifetime risk of developing ovarian cancer of 28% or lower, whereas the 5% at highest risk will have a risk of 63% or higher. Such differences in risk may have important implications for risk prediction and clinical management for BRCA1 carriers.
Background
The implications of the feminisation of medicine, which is characterised by a growing proportion of female doctors, is a topic currently being debated worldwide. To date, however, there has been no systematic survey of the viewpoint of present and future doctors on this subject. The aim of the present study is to determine how future and present doctors view this trend in terms of its relevance to the medical profession and its present impacts.
Methods
Of a total sample of 3813 people, 181 applicants for the winter term 2014, 590 medical students and 225 doctors of the UMG participated in this cross-sectional electronic questionnaire. The answers were analysed by means of the statistics program IBM SPSS Statistics 22. Open answers were qualitatively evaluated and categorised using the "Basiswissengeleitete offene Kategorienfindung" (Werner Fruh) and coded for statistical analysis.
Results
The majority of our participants favoured a balanced gender-ratio among doctors: 77% of applicants, 68% of students and 61% of doctors rated this as important or very important. The results from the student and applicant groups differed concerning female gender. When answering in the role of a patient, the doctor's gender was found to be more relevant than when the participants were answering in the role of the doctor. The majority of the respondents opined that feminisation had had an impact on their workplace: particular factors included part-time work, work-related organisation and the diversity of the medical profession. Commentaries were mostly categorised as negative.
Conclusions
The feminisation of medicine was viewed largely critically by the participants of this study. The respondents evaluated gender as being relevant for the medical profession and favoured a diverse workforce; however, the significance of one's own gender in medical practice was underrated in comparison, implying a need for more awareness of the effect of a doctor's gender on the patient-doctor-relationship. The mainly negative comments concerning the impact of feminisiation on work organisation, work satisfaction and patient care show the need for further research and action to adapt current medical work practices to the changing demographics in order to improve work satisfaction and quality of care.