Estrogen News and Research

Latest Estrogen News and Research

Adult weight gain and histopathologic characteristics of breast cancer among postmenopausal women

According to a new study, women who gain weight in adulthood face a higher lifetime risk of all types of breast cancer even if they do not take hormone replacement therapy after menopause.

23 May 2006

Association between Pak1 expression and subcellular localization and tamoxifen resistance in breast cancer patients

A protein that activates estrogen receptors in breast cancer may play a role in resistance to therapeutic effects of anti-estrogen tamoxifen treatment, according to a study in the Journal of the National Cancer Institute.

17 May 2006

Effectiveness of radiation therapy for older women with early breast cancer

Elderly women with early-stage breast cancer had a lower risk of recurrence when they were treated with radiation therapy, according to a study in the Journal of the National Cancer Institute.

17 May 2006

Gene amplification could guide treatment for high-risk breast cancer

A new study shows that breast cancer patients with an "amplification," or greater number of copies, of the TOP2A gene are 45% more likely than women who do not have this amplification to benefit from a longer course of anthracycline-based adjuvant chemotherapy.

11 May 2006

Testosterone patches help women with under-active pituitary glands

New research published in The Journal of Clinical Endocrinology & Metabolism showed the first positive effect of testosterone on bone density, body composition and emotional, cognitive and behavioral function in women with low testosterone levels resulting from under-active pituitary glands.

10 May 2006

Long term oestrogen-only hormone replacement therapy increases breast cancer risk

According to new research women who take oestrogen-only hormone replacement therapy for 20 years or longer to treat the symptoms of menopause, put themselves at greater risk of developing breast cancer.

10 May 2006

Long-term estrogen therapy may be related to a higher risk of breast cancer

Previous studies have linked the use of hormone therapy to breast cancer among postmenopausal women, but have primarily focused on the hormone combination of estrogen plus progestin, according to background information in the article.

9 May 2006

Hormone therapy still the most effective for menopause symptoms

A new study has found that estrogen therapy is the best treatment for menopause-related hot flashes.

3 May 2006

$Men with low estrogen levels have an increased risk for future hip fracture$

Men with low estrogen levels have an increased risk for future hip fracture

A new study has found that men with low estrogen levels have an increased risk for future hip fracture, and those with both low estrogen and low testosterone levels have the greatest risk.

3 May 2006

Hormones may affect how brain listens

From zebra fish to humans, reproductive hormones govern behavioral responses to courtship signals.

3 May 2006

Researchers test secret herb to stop hot flushes associated with breast cancer

Researchers at the University of Manchester are testing a secret herb in a bid to stop the severe hot flushes that besiege breast cancer patients on hormone treatment.

From The University of Manchester 3 May 2006

Osteoporosis could be caused by factors other than declining estrogen levels

New evidence in the April 21, 2006 Cell challenges the long-standing notion that declining estrogen levels alone lead to osteoporosis after women go through menopause. The researchers rather found that high levels of pituitary-derived follicle-stimulating hormone (FSH) cause bone loss in mice. The pituitary is a master gland found at the base of the brain.

26 Apr 2006

HRT can reduce heart attacks by about one-third in women under age 60

For the last few years, women have heard conflicting reports about the risks and benefits of hormone replacement therapy (HRT). A new study that analyzes many trials together concludes that HRT can reduce heart attacks by about one-third in women under age 60 but has mixed results for older women.

23 Apr 2006

Researchers release results of (STAR) breast cancer prevention trial

Below are comments from Len Lichtenfeld, MD, American Cancer Society deputy chief medical officer, in response to the results of the STAR trial.

18 Apr 2006

Evista may be a better option than Tamoxifen for reducing breast cancer risk

According to drug company Lilly it's osteoporosis drug Evista is as effective as Tamoxifen in reducing the risk of breast cancer in high-risk women.

17 Apr 2006

Nimesulide fights breast cancer by targeting key enzyme

A pain-killing medication appears to halt the production of an enzyme that is key to a common form of breast cancer, a new study using tissue cultures suggests.

16 Apr 2006

Hormone therapy associated with increased risk of breast cancer among black women

Previous research has suggested that the long-term use of female hormone therapy is associated with an increased risk of developing breast cancer, according to background information in the article.

13 Apr 2006

A hormone receptor with regulatory roles in food intake, fear response, and cardiovascular function may also be involved in breast cancer

The UC research team, led by Hassane Amlal, PhD, and Sulaiman Sheriff, PhD, report their laboratory findings on the hormone, neuropeptide Y, and its receptor in the April edition of the journal Cancer Research.

13 Apr 2006

No evidence that taking estrogen alone increases the risk of breast cancer in postmenopausal women

The findings come three years after a related WHI study found that a different type of hormone therapy - which combined estrogen and progestin - did result in a higher risk of breast cancer among postmenopausal women.

13 Apr 2006

Advances in chemotherapy significantly reduce risk of disease recurrence in breast cancer patients

Recent advances in chemotherapy have significantly reduced the risk of disease recurrence and death in breast cancer patients whose tumors are not hormone sensitive, according to a study by researchers at Dana-Farber Cancer Institute and 10 other institutions.

13 Apr 2006