A Daniele, R Divella, B Pilato, S Tommasi, P Pasanisi, M Patruno, M Digennaro, C Minoia, M Dellino, S Pisconti, P Casamassima, E Savino, A V Paradiso
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Can harmful lifestyle, obesity and weight changes increase the risk of breast cancer in BRCA 1 and BRCA 2 mutation carriers? A Mini review.
Background and aim: The BRCA 1 and BRCA 2 genes are associated with an inherited susceptibility to breast cancer with a cumulative risk of 60% in BRCA 1 mutation carriers and of 30% in BRCA 2 mutation carriers. Several lifestyle factors could play a role in determining an individual's risk of breast cancer. Obesity, changes in body size or unhealthy lifestyle habits such as smoking, alcohol consumption and physical inactivity have been evaluated as possible determinants of breast cancer risk. The aim of this study was to explore the current understanding of the role of harmful lifestyle and obesity or weight change in the development of breast cancer in female carriers of BRCA 1/2 mutations.
Methods: Articles were identified from MEDLINE in October 2020 utilizing related keywords; they were then read and notes, study participants, measures, data analysis and results were used to write this review.
Results: Studies with very large case series have been carried out but only few of them have shown consistent results. Additional research would be beneficial to better determine the actual role and impact of such factors.
期刊介绍:
Hereditary Cancer in Clinical Practice is an open access journal that publishes articles of interest for the cancer genetics community and serves as a discussion forum for the development appropriate healthcare strategies.
Cancer genetics encompasses a wide variety of disciplines and knowledge in the field is rapidly growing, especially as the amount of information linking genetic differences to inherited cancer predispositions continues expanding. With the increased knowledge of genetic variability and how this relates to cancer risk there is a growing demand not only to disseminate this information into clinical practice but also to enable competent debate concerning how such information is managed and what it implies for patient care.
Topics covered by the journal include but are not limited to:
Original research articles on any aspect of inherited predispositions to cancer.
Reviews of inherited cancer predispositions.
Application of molecular and cytogenetic analysis to clinical decision making.
Clinical aspects of the management of hereditary cancers.
Genetic counselling issues associated with cancer genetics.
The role of registries in improving health care of patients with an inherited predisposition to cancer.