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Nigerian women ‘face higher risk’ of breast cancer than Americans

A research team has identified the genes responsible for inherited breast cancer in Nigerian women.

Breast cancer forms in the cells of the breasts, mainly affecting women and on rare occasions, men.

“This is the first study to use high-throughput genomic analysis of African women,” said study author Olufunmilayo Olopade, director of the Center for Clinical Cancer Genetics and associate dean for Global Health at the University of Chicago.

“Based on state-of-the-art genomic technologies, two things were clear,” added co-author Mary-Claire King, American Cancer Society Professor of Medicine and Genome Sciences at the University of Washington in Seattle.

“Risks to Nigerian women who carry mutations in breast cancer genes are higher than risks to women in the US with mutations in the same genes.

“And inherited breast cancer plays a bigger role in the total occurrence of breast cancer in Nigeria compared to the US.”

According to a report by News-Medical, the study enrolled 1,136 women with invasive breast cancer and 997 controls; women of similar ages and heritage who did not have breast cancer.

The disease was far more advanced at diagnosis than in the US, with 86 percent of the patients who were fully evaluated diagnosed at either stage 3 or stage 4.

Almost half (46 percent) of the patients were diagnosed with triple-negative breast cancer (tumors that lack estrogen receptors, progesterone receptors and human epidermal growth factor receptors).

This is an aggressive breast cancer subtype, likely to have with a poor prognosis, even in wealthy countries.

Following up on the study, the Chicago-Ibadan team has already developed a risk-prediction model for breast cancer in Nigerian and other Sub-Saharan African women, who are, on average, more than 10 years younger when diagnosed than American women.

This predictive model can identify individuals at high risk of breast cancer, tailor surveillance and suggest risk-reduction strategies.

The study was published in the Journal for Clinical Oncology.

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About Delia Innoma

Delia Innoma is a prolific writer, promoter, artist manager with full professional proficiency in English, German and Igbo languages. She studied accounting and computer programming at the Institute of Management and Technology Enugu and Germany respectively. Delia is also a devoted mother of two and she founded the Diamond Celebrities Magazine. Her sense of responsibility and commitment to the Christian faith are essential forces driving her daily activities.

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