Estrogen News and Research

Latest Estrogen News and Research

Merits and risks of postmenopausal hormone therapy

The study was categorized as a primary prevention trial for coronary heart disease, although the fact that mean age at recruitment was 63 years was not given enough importance at that time. WHI investigators concluded that hormone therapy (HT) was not cardioprotective, and, in fact, its riskbenefit ratio did not favor the use of postmenopausal hormones for prevention of chronic diseases.

17 May 2007

Promoter hypermethylation is common in breast cancer

Cancer epidemiologists at the University at Buffalo have identified specific genes that are most likely to become cancer promoters when exposed to a process called DNA promoter hypermethylation.

17 May 2007

Possible neuroprotective effect of testosterone treatment in men

A small pilot study suggests that testosterone treatment is safe, well tolerated and may reduce symptoms, slow brain degeneration and increase muscle mass in men with relapsing-remitting multiple sclerosis, the most common form of the disease, according to a report in the May issue of Archives of Neurology, one of the JAMA/Archives journals.

17 May 2007

Specific genes identified that are most likely to become cancer promoters when exposed to DNA promoter hypermethylation

Hypermethylation is a process that causes genes that promote normal cell growth to produce proteins that cause malignant behavior, or unregulated cell growth. Until now, data has been very limited regarding the mechanism and causes of hypermethylation, especially for hypermethylation in breast cancer.

15 May 2007

Estrogen may influence the risk for prostate cancer

Although women are four times more likely than men to develop osteoporosis, or porous bone, one in 12 men also suffer from the disease, which can lead to debilitating - or even life-threatening - fractures, mainly of the spine, hip and wrist.

11 May 2007

Bisphosphonates for osteoporosis treatment in women

A class of drugs called bisphosphonates has become the new mainstay treatment for postmenopausal women diagnosed with osteoporosis in the post-hormone-replacement era.

10 May 2007

Discovery of molecules with potential to treat breast cancer

Hamilton College researchers have identified molecules that have been shown to be effective in the fight against breast cancer.

8 May 2007

Scientists delete enzyme in mice so they can eat any type of fat and not get heart disease

A new study in mice raises a tantalizing possibility, that humans may one day be able to eat any kind of fat they want without raising their risk of heart disease.

8 May 2007

Steroidal hormones for contraception in women with sickle cell disease

Hormonal contraceptives are unlikely to predispose women to type 2 diabetes and appear to be safe for those with sickle cell anemia.

4 May 2007

Women who use estrogen hormone therapy before 65 reduce likelihood of Alzheimer's or dementia

Women who use hormone therapy before the age of 65 could cut their risk of developing Alzheimer's disease or dementia.

4 May 2007

Just to confuse you even more - HRT now linked to Alzheimer's!

To add to the utter confusion many women are feeling with regard to Hormone replacement therapy (HRT), new research is now suggesting HRT may reduce a woman's risk of Alzheimer's disease.

3 May 2007

Diesel exhaust fumes affect bone marrow blood flow

A new study finds that exposure to a chemical component of diesel exhaust particles can compromise the ability of resistance arteries to regulate blood flow to bone marrow.

2 May 2007

Testosterone cream does not increase sexual drive in female cancer survivors

Increasing the testosterone levels of female cancer survivors using testosterone cream did not improve their libido more than a placebo, according to a randomized controlled clinical trial in the May 2 Journal of the National Cancer Institute.

2 May 2007

Combination treatment cures mice of a very aggressive human breast tumor

A combination of three different drugs that block the HER-2 receptor, a critical cellular growth signal for some breast cancers, eradicated aggressive breast tumors in mice and could point the way toward developing better treatments inpatients, said researchers from the Breast Center at Baylor College of Medicine in a report that appears today in the Journal of the National Cancer Institute.

2 May 2007

Low libido experienced by female cancer survivors is not boosted by testosterone creams

Scientists at the Mayo Clinic College of Medicine in Rochester, Minnesota, say the low libido experienced by many female cancer survivors is not boosted by testosterone creams.

2 May 2007

Estrogen fluctuation affects epileptic seizures

In more than a third of women with epilepsy, seizures fluctuate across the menstrual cycle, due in part to continually fluctuating effects of estrogen on the neural circuitry in the hippocampus, a region of the brain involved in learning and memory - and in epileptic seizures.

1 May 2007