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In developed countries, about 99% of breast cancer cases are diagnosed in female patients; in a few African countries, which represent the highest incidence of male breast cancer, males account for 5–15% of cases. [4] The rate of male breast cancer appears to be rising somewhat. [9] Male breast cancer patients tend to be older than female ...
Genome: The Autobiography of a Species in 23 Chapters is a 1999 popular science book by the science writer Matt Ridley, published by Fourth Estate.The chapters are numbered for the pairs of human chromosomes, one pair being the X and Y sex chromosomes, so the numbering goes up to 22 with Chapter X and Y couched between Chapters 7 and 8.
Breast cancer is the second most frequent cancer worldwide on a yearly basis [(1.38 million cases, 10.9% of all cancer cases), and ranks 5th as cause of death (458,000, 6.1% of all cancer deaths)]. [12] Breast cancer risk is associated with persistently high blood levels of estrogen. [17]
Oncogenomics is a sub-field of genomics that characterizes cancer-associated genes.It focuses on genomic, epigenomic and transcript alterations in cancer. Cancer is a genetic disease caused by accumulation of DNA mutations and epigenetic alterations leading to unrestrained cell proliferation and neoplasm formation.
The central role of DNA damage and epigenetic defects in DNA repair genes in carcinogenesis. DNA damage is considered to be the primary cause of cancer. [17] More than 60,000 new naturally-occurring instances of DNA damage arise, on average, per human cell, per day, due to endogenous cellular processes (see article DNA damage (naturally occurring)).
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 January 2025. Cancer that originates in mammary glands Medical condition Breast cancer An illustration of breast cancer Specialty Surgical Oncology Symptoms A lump in a breast, a change in breast shape, dimpling of the skin, fluid from the nipple, a newly inverted nipple, a red scaly patch of skin on ...
Breast cancer is the second leading cause of cancer death in women after lung cancer. Learn about breast cancer causes, symptoms, and treatments; plus, steps you can take to prevent it.
[13] [11] BRCA1 and BRCA2 have been described as "breast cancer susceptibility genes" and "breast cancer susceptibility proteins". The predominant allele has a normal, tumor-suppressive function whereas high penetrance mutations in these genes cause a loss of tumor-suppressive function which correlates with an increased risk of breast cancer. [14]
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