News tagged with estrogen hormone
Songbird brain synapses and glial cells capable of synthesizing estrogen
Colin Saldanha, a biology professor at American University in Washington, D.C., has always been intrigued by the hormone estrogen. Specifically, how the hormone that does so much (for example, it promotes sexual behavior ...
Jan 03, 2012 |
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Researchers discover key aspect of process that activates breast cancer genes
Researchers at the Keck School of Medicine of the University of Southern California (USC) have discovered key processes by which estrogen, the female sex hormone, activates genes in breast-cancer cells. Greater understanding ...
Nov 15, 2011 |
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Estrogen linked with lower dementia risk when taken in middle age, higher risk later in life
Estrogen therapy taken around the time of menopause was associated with a lowered risk of dementia in old age, but when taken in late life was linked with an increased dementia risk, according to a study led by a physician ...
Medicine & Health / Neuroscience
Feb 02, 2011 |
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Researchers unlock how progesterone increases breast cancer risk
Researchers have identified how the hormones progesterone and estrogen interact to increase cell growth in normal mammary cells and mammary cancers, a novel finding that may explain why postmenopausal women receiving hormone ...
Jan 18, 2011 |
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Protein disables p53, drives breast cells toward cancer transition
The recently identified TRIM24 protein plays an active role in pushing normal breast cells into rapid cell proliferation and, potentially, into breast cancer.
Dec 15, 2010 |
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New report: Don't blame the pill for estrogen in drinking water
Contrary to popular belief, birth control pills account for less than 1 percent of the estrogens found in the nation's drinking water supplies, scientists have concluded in an analysis of studies published on the topic. Their ...
Dec 08, 2010 |
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Reduced hormone therapy linked with drop in breast cancer rates
(PhysOrg.com) -- In a new UCSF study of more than 2 million mammogram screenings performed on nearly 700,000 women in the United States, scientists for the first time show a direct link between reduced hormone therapy and ...
Nov 30, 2010 |
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Hormone therapy use may increase or decrease dementia risk depending upon timing
Compared to women never on hormone therapy, those taking hormone therapy only at midlife had a 26 percent decreased risk of dementia; while women taking HT only in late life had a 48 percent increased risk of dementia, according ...
Medicine & Health / Neuroscience
Nov 18, 2010 |
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Pelletized manure reduces toxic runoff
There is considerable amount of uncertainty concerning the environmental impacts that animal hormones have on surface water. Higher concentrations of hormones in waterways have been found to cause physiological and sexual ...
Nov 17, 2010 |
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Menopausal hormone therapy may increase risk of ovarian cancer
Women planning on taking hormone therapy for the treatment of menopausal symptoms should be aware of a possible increased risk for ovarian cancer, according to data presented at the Ninth Annual AACR Frontiers in Cancer Prevention ...
Nov 09, 2010 |
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Joint pain linked to breast cancer drug not inflammatory arthritis or autoimmune disease
A new study suggests joint complaints attributed to aromatase inhibitors (AI), popular breast cancer drugs, are not associated with inflammatory arthritis or autoimmune disease. Because of that, researchers say women who ...
Medicine & Health / Medications
Nov 08, 2010 |
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Hormone therapy use by postmenopausal women may increase incidence of more advanced breast cancer
Follow-up of about 11 years of participants in the Women's Health Initiative finds that among postmenopausal women, use of estrogen plus progestin is associated with an increased incidence of breast cancers that are more ...
Oct 19, 2010 |
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Study reveals how sex hormones influence right heart function
In the largest human study to date on the topic, researchers have uncovered evidence of the possible influence of human sex hormones on the structure and function of the right ventricle (RV) of the heart.
Medicine & Health / Medical research
Oct 19, 2010 |
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Drugs before surgery help women avoid mastectomies
(AP) -- Taking hormone-blocking pills for a few months before breast cancer surgery can shrink tumors and allow many women to have just the lump removed instead of the whole breast, a new study suggests.
Sep 30, 2010 |
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Research looks at cooling off hot flashes
If you've ever watched a woman go from perfectly calm, cool and collected one minute to uncomfortable, red-faced and fanning herself frantically the next, then you've likely witnessed a hot flash. Now imagine ...
Sep 16, 2010 |
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