Hormone News and Research

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A hormone is a chemical released by one or more cells that affects cells in other parts of the organism. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another.

Estradiol and its metabolites and their association with knee osteoarthritis

Osteoarthritis, which usually develops between the ages of 40 and 50, is more prevalent in women. It is thought that sex hormones may play a role in developing the disease, since they can be involved in inflammation of the tissues affected by it.

26 Jul 2006

Disease-specific gene expression profiles in patients with rheumatoid arthritis

They sleep together, eat together, and most people find it impossible to tell them apart. Identical twins who grow up together share just about everything, including their genes.

26 Jul 2006

Insufficient evidence exists to support the use of complementary and alternative therapies to relieve menopause

Complementary and alternative therapies show little benefit in treating menopause symptoms.

25 Jul 2006

Estrogen and testosterone combination to treat menopause may increase risk of breast cancer

Women who take a combination of estrogen and testosterone to treat the symptoms of menopause may have an increased risk of breast cancer, according to an article in the July 24 issue of Archives of Internal Medicine.

25 Jul 2006

Birch bark compound may be potent prostate cancer fighter

A compound found in the bark of the white birch tree - betulonic acid, a derivative of betulinol - may finally have been rendered a water-soluble, bio-available drug, and is already showing the potential to be a possible agent against prostate cancer - in cell culture and in an animal model.

25 Jul 2006

Basal tumours may originate from breast stem cells that have undergone genetic mishaps

Findings support previous speculation that breast stem cells, or very early descendents, are the cells from which basal tumours arise.

24 Jul 2006

Link between psychological stress and ovarian tumor growth

When mice with ovarian cancer are stressed, their tumors grow and spread more quickly, but that effect can be blocked using a medication commonly prescribed for heart disease.

24 Jul 2006

Endogenous sex hormones, cognitive decline and future dementia in old men

A prospective population-based study has found that higher estrogen levels in older men are associated with an increased risk of dementia. By contrast, levels of testosterone were not associated with cognitive decline.

24 Jul 2006

Pig cell implants show potential for treatment of stroke, Huntington's disease

A review of accumulated evidence on the use of porcine brain choroid plexus (CP) cells published in the July issue of Xenotransplantation highlights that these cells have the potential to treat acute and chronic brain disease.

24 Jul 2006

New natural contraceptive pill being trialled

University of Adelaide researchers, together with the Adelaide Hormone and Menopause Centre, are trialling a new natural contraceptive pill alternative.

24 Jul 2006

Research offers new hope in helping elderly fight infections

Thousands of infections could be prevented each year in older people and hospital stays reduced following findings from two studies which show that imbalances in the immune systems of people aged over 65 make them more prone to illnesses like flu or bacterial infections as a result of cuts and falls.

21 Jul 2006

Matchstick-sized contraceptive implant that lasts for three years

The Food and Drug Administration in the U.S. has given approval for a new contraceptive which will protect women from pregnancy for as long as three years.

20 Jul 2006

New hope for women with Alzheimer's disease

Leuprolide acetate helps women with mild-to-moderate Alzheimer's disease maintain functional capabilities for a longer period of time, according to data presented Monday by Voyager Pharmaceutical Corporation.

18 Jul 2006

FoxM1 regulates the expression of oestrogen receptors in breast cancer

Research just published online in the "Journal of Biological Chemistry" identifies a new molecule involved in the regulation of oestrogen receptors (ER) expression in breast cancer.

12 Jul 2006

Weight gain, particularly after menopause, is associated with increased risk of breast cancer

Weight loss after menopause lowers circulating estrogen hormones in women, and because estrogen is directly related to breast cancer, weight loss is thought to decrease risk of breast cancer.

12 Jul 2006

Don't smoke and eat fish to keep your sight later in life

New research from Australia and the U.S. into Age-related Macular Degeneration, has found that cigarette smoking increases the risk but eating fish protects against it, and hormone replacement therapy makes no difference whatsoever.

10 Jul 2006

Combination of anastrozole and a synthetic hormone called goserelin may slow male breast cancer growth

Medical oncologists across the nation want to know whether a certain drug combination can slow the progression of male breast cancer, a rare disease that often goes undiagnosed until it's in an advanced stage.

10 Jul 2006

Pomegranate juice helps fight prostate cancer

Drinking an eight ounce glass of pomegranate juice daily increased by nearly four times the period during which PSA levels in men treated for prostate cancer remained stable, a three-year UCLA study has found.

4 Jul 2006

Body measures and colon cancer risk

Men and women with a large waist circumference and a large waist-to-hip ratio (WHR) have an increased risk of developing colon cancer. In contrast, only in men is a high body mass index (BMI) clearly associated with a higher colon cancer risk.

4 Jul 2006