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JCI online early table of contents: Nov. 21, 2011

Researchers identify a new way to boost the aged immune response to flu viruses by inhibiting PGD2. They also discover that targeting BRAF in thyroid cancers could restore the efficacy of RAI therapy. Additionally, exploring EGFR as a therapeutic target for Cushing disease may provide new treatment options.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateNov 21, 2011

Combo hormone therapy has increased breast cancer risk over estrogen alone

A recent study found that women taking combination estrogen and progestin menopausal hormone therapy are at a greater risk of developing breast cancer if they experience new onset breast tenderness. In contrast, women on estrogen alone without breast tenderness did not have an increased risk of breast cancer.

SourceUniversity of California - Los Angeles Health Sciences·JournalBreast Cancer Research and Treatment·DateNov 17, 2011

Breast tenderness in women getting combo hormone therapy associated with increase in breast density

Post-menopausal women experiencing new onset breast tenderness after starting combination hormone therapy may have an increased risk of breast cancer compared to those without breast tenderness. Higher breast density is associated with a higher risk of breast cancer, with extremely dense breasts posing a four to six times higher risk.

SourceUniversity of California - Los Angeles Health Sciences·JournalBreast Cancer Research and Treatment·DateOct 13, 2011

This is your brain on estrogen

Researchers have identified estrogen receptors in specific brain areas that influence metabolism, weight gain, and fertility. Deleting these receptors from mice resulted in significant weight gain and metabolic changes.

SourceCell Press·JournalCell Metabolism·DateOct 4, 2011

Estrogen treatment may help reverse severe pulmonary hypertension

Researchers at UCLA found that estrogen treatment can reverse the progression of pulmonary hypertension to heart failure and restore lung and ventricle structure and function. The study suggests that even short-term estrogen therapy may suffice to reverse the disease, offering new potential therapeutic applications for human patients.

SourceUniversity of California - Los Angeles Health Sciences·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateSep 15, 2011

Chronic vulvar pain a reality for more than 100,000 women in southeast Michigan

A new study from the University of Michigan found that over 25% of women in the metro Detroit area have experienced ongoing vulvar pain, while only 2% sought treatment. The study sheds light on the demographics and characteristics of vulvodynia, a condition causing unexplained pain at the vagina's opening.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Obstetrics and Gynecology·DateSep 14, 2011

New treatment option for advanced prostate cancer

Researchers at Lund University have developed a new treatment option for advanced prostate cancer by targeting cancer stem cells with a STAT3-inhibitor. The study found that galiellalactone, a natural compound, has inhibitory effects on the growth of prostate cancer cells and prevents tumour growth and spreading.

SourceLund University·JournalPLOS ONE·DateAug 12, 2011

Study confirms long-lasting anticancer benefit of zoledronic acid for women with early-stage breast cancer

Women with early-stage hormone receptor-sensitive breast cancer who received zoledronic acid alongside standard hormone therapy had a significantly lower risk of cancer returning (32%) compared to those on hormone therapy alone. The treatment's anticancer benefit persisted even after stopping treatment for over two years.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateJun 3, 2011

The contraceptive pill and HRT may protect against cerebral aneurysm

Research published in the Journal of NeuroInterventional Surgery suggests that taking oral contraceptives or hormone replacement therapy may reduce the risk of developing cerebral aneurysms. The study found that women with cerebral aneurysms were less likely to have taken these medications and had an earlier average age of menopause.

SourceBMJ Group·JournalJournal of NeuroInterventional Surgery·DateMay 4, 2011

Study finds leptin restores fertility, may improve bone health in lean women

Researchers at Beth Israel Deaconess Medical Center have found that a synthetic form of leptin can restore fertility and reduce the risk of bone fractures in lean women with hypothalamic amenorrhea. The study shows significant improvements in hormone levels, menstrual cycles, and bone density after treatment with metreleptin.

SourceBeth Israel Deaconess Medical Center·JournalProceedings of the National Academy of Sciences·DateApr 4, 2011

Just 6 months of hormone therapy doubles survival chances when added to radiotherapy in patients with locally advanced prostate cancer

A new study found that combining 6 months of hormone therapy with radiotherapy significantly improved survival rates for men with locally advanced prostate cancer. The treatment reduced the risk of death from prostate cancer by half and deaths from any cause by a third compared to radiation alone.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateMar 24, 2011

Acupuncture curbs severity of menopausal hot flushes

A small clinical trial suggests traditional Chinese acupuncture can curb the severity of menopausal hot flushes and other symptoms. The treatment showed cumulative benefits, with significant improvements in somatic and psychological symptoms but minimal impact on urogenital symptoms.

SourceBMJ Group·JournalAcupuncture in Medicine·DateMar 7, 2011

Hormone therapy begun at menopause may pose risk for breast cancer

A large cohort study found that hormone therapy started at menopause increases breast cancer risk, particularly among women who start therapy before or soon after menopause. The study's results support previous findings and provide new insights into the relationship between timing of hormone therapy and breast cancer risk.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJan 28, 2011