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Some who experience menopause early may be at increased risk for developing breast cancer, according to research led by scientists at Huntsman Cancer Institute at the (the U) and the at the U.
Researchers found that women who underwent menopause before age 46 were nearly twice as likely to have breast cancer as other women of similar ages. Their relatives were also more likely to have breast, prostate, or colon cancer. The study is published in .
Primary ovarian insufficiency (POI), a condition that occurs when the ovaries stop working properly because of the early loss of eggs, causes some people to go through menopause at a relatively young age.
鈥淸Women with POI] are at risk for a number of diseases...Our results suggest some of these women should be monitored over their lifetimes for cancer risk as well.鈥
鈥淲hen women go through primary ovarian insufficiency they are at risk for a number of diseases like osteoporosis and cardiovascular disease,鈥 says the study鈥檚 senior author Corrine Welt, MD, an endocrinologist and researcher in the Department of Internal Medicine at the U. 鈥淥ur results suggest some of these women should be monitored over their lifetimes for cancer risk as well.鈥
鈥淭his work has increased an understanding of the relationship between primary ovarian insufficiency and reproductive cancers, which could guide preventive strategies,鈥 says study co-author , a cancer genetic epidemiologist at Huntsman Cancer Institute and director of the (UPDB). The research team used the unique resource to reveal the relationships between the health conditions.
Connecting cancer and reproductive health
Primary ovarian insufficiency often runs in families, with inherited, genetic factors accounting for up to 43% of cases. Prior studies found that some of the mutations believed to cause the reproductive health condition were similar to those involved in cancer.
The correlation prompted the research team to investigate whether these individuals had a higher risk of cancer compared to the general population. They also analyzed women with a related condition, early menopause, which occurs between ages 40 to 45. The women in the study developed breast cancer at almost two times the rate of the general population.
Additionally, relatives of individuals with POI were at greater risk of cancer:
2nd-degree relatives: Aunts, uncles, grandparents, nieces, and nephews
30% increased risk for breast cancer
50% increased risk for colon cancer
1st, 2nd, and 3rd degree relatives: Great-grandparents and first cousins
30-60% increased risk for prostate cancer
Cousins being included in these findings could have broad health implications, Welt explains. People with POI and early menopause may benefit from increased cancer screening. Additionally, individuals of reproductive age from families predisposed to these cancers might be candidates for infertility testing.
In addition to the UPDB, the scientists also examined medical records from two health systems鈥 香蕉视频 of Utah Health and Intermountain Healthcare鈥攖hat serve 85% of the Utah population. Between 1995 and 2021, 613 individuals were diagnosed with POI and another 165 with early menopause. Then, those individuals were cross-referenced with the , which tracks cancer incidence and deaths in the state.
鈥淸The UPDB] is a perfect platform to ask questions regarding relationships between different diseases with goals of guiding preventive strategies and improving the health of populations.鈥
Results on familial cancer risk came from more than 26,500 relatives who were represented in the cancer registry and the UPDB. 鈥淯tah Population Database is a multi-source data resource with over one billion health-related records, 50 years of cancer data, and at least three generations of family structure for 4.5 million people,鈥 Camp says. 鈥淚t is a perfect platform to ask questions regarding relationships between different diseases with goals of guiding preventive strategies and improving the health of populations.鈥
Searching for missing links
The connections between early menopause and cancer lies deep within our body鈥檚 cells, the study suggests. To uncover these links, the scientists examined the DNA of six women. Each had an unusual variation in one of the genes that keeps our cells healthy. According to Welt, defects in these basic processes could both compromise the health of ovaries and increase the likelihood of uncontrolled cell division, a hallmark of cancer.
Understanding the root cause of these health conditions could one day lead to new treatments. For now, however, they offer answers. 鈥淔or women with a POI diagnosis, it鈥檚 devastating,鈥 Welt says. 鈥淗aving an explanation helps them find closure.鈥
This study was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development including R56HD090159 and R01HD099487, the National Institutes of Health/National Cancer Institute including P30 CA042014, and Huntsman Cancer Foundation.
In addition to Welt and Camp, co-authors are Kristina Allen-Brady, Barry Moore, Lauren Virrilli, Margaret Alvord, Marina Kern, Kristen Kelley, Joseph Letourneau, Lisa Cannon-Albright, Mark Yandell and Erica Johnstone from the 香蕉视频 of Utah.
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About Huntsman Cancer Institute at the 香蕉视频 of Utah
Huntsman Cancer Institute at the is the National Cancer Institute-designated Comprehensive Cancer Center for Utah, Idaho, Montana, Nevada, and Wyoming. With a legacy of innovative cancer research, groundbreaking discoveries, and world-class patient care, we are transforming the way cancer is understood, prevented, diagnosed, treated, and survived. Huntsman Cancer Institute focuses on delivering the most advanced cancer healing and prevention through scientific breakthroughs and cutting-edge technology to advance cancer treatments of the future beyond the standard of care today. We have more than 300 open clinical trials and 250 research teams studying cancer. More genes for inherited cancers have been discovered at Huntsman Cancer Institute than at any other cancer center. Our scientists are world-renowned for understanding how cancer begins and using that knowledge to develop innovative approaches to treat each patient鈥檚 unique disease. Huntsman Cancer Institute was founded by Jon M. and Karen Huntsman.