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Sex Differences in Cancer Genomes: Much Learned, More Unknown
Chenghao Zhu1,2,3,4, Paul C Boutros1,2,3,4
1Department of Human Genetics, University of California, Los Angeles, CA, USA.
Endocrinology
|August 17, 2021
Summary
Sex significantly impacts cancer prevalence, treatment response, and outcomes, yet understanding these differences is incomplete. Further research into molecular sex differences is crucial for advancing precision cancer medicine.
Area of Science:
- Oncology
- Genetics
- Precision Medicine
Background:
- Cancer remains a leading global cause of death.
- Biological sex influences cancer prevalence, genomic profiles, treatment response, and mortality.
- Understanding the mechanisms and timing of sex influence on cancer initiation and progression is a critical knowledge gap.
Purpose of the Study:
- To highlight the complex ways biological sex influences cancer.
- To identify factors that confound the study of sex differences in cancer.
- To summarize resources for studying molecular sex differences and suggest future research directions.
Main Methods:
- Review of existing literature and resources.
- Analysis of factors complicating the study of sex differences (e.g., cohort representativeness, confounding variables).
- Identification of key resources for investigating molecular sex differences.
Main Results:
- Sex influences various aspects of cancer, including prevalence, genomics, treatment efficacy, and survival.
- Confounding factors such as ancestry, age, obesity, and clinical variability complicate the analysis of sex differences.
- Several resources are available for studying molecular sex differences in cancer.
Conclusions:
- Patient sex is a critical factor influencing cancer development and progression.
- Addressing confounding factors and utilizing available resources are essential for advancing our understanding.
- Further research into molecular sex differences will enhance the development of precision cancer therapies.
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