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.

Chemotherapy may benefit all women with a BRCA1 mutation

Breast cancer patients who possess one of the so-called "breast cancer" or BRCA genetic mutations do not have a higher risk of dying than patients with no BRCA mutations, according to a detailed study by researchers at the Technion-Israel Institute of Technology and the University of Toronto.

12 Jul 2007

For older women HRT a risky option

According to an international study older women should not take Hormone Replacement Therapy (HRT).

12 Jul 2007

No benefit from HRT for older women

New evidence confirms that hormone replacement therapy (HRT) should not be prescribed to older women who are many years past the menopause. The treatment will not help prevent chronic conditions such as heart disease in these women.

11 Jul 2007

Kids who prefer evenings are more likely to exhibit antisocial behavior

A propensity for activities in the evening rather than in the morning may offer clues to behavioral problems in early adolescence, according to psychologists who have found that kids who prefer evenings are more likely to exhibit antisocial behavior, rule-breaking, and attention problems.

11 Jul 2007

Adiponectin serves as energy-conserving signal to the brain

A fat-derived protein known for its effects on the liver and skeletal muscle might also serve as an energy-conserving signal to the brain during periods of starvation, suggests a new study in the July issue of Cell Metabolism, a publication of Cell Press.

11 Jul 2007

Incretin-based therapy offers alternative option for treating type 2 diabetes

A review of previous studies indicates that use of a class of medications known as “incretin-based therapy”, which act via certain pathways that affect glucose metabolism may provide modest effectiveness and favorable weight change outcomes for the treatment of type 2 diabetes and may represent an alternative to other hypoglycemic therapies.

11 Jul 2007

Cicardian system suffers and protects from prenatal cocaine exposure

Researchers from Boston University School of Medicine (BUSM) have shown that prenatal cocaine exposure in zebrafish (which share the majority of the same genes with humans) can alter neuronal development and acutely dysregulate the expression of circadian genes and those affecting melatonin signaling, growth and neurotransmission.

11 Jul 2007

Wall Street Journal examines women's health initiative findings on HRT's effect on heart attack risk

The Wall Street Journal on Monday examined findings from the 15-year, $725 million NIH-sponsored Women's Health Initiative on hormone replacement therapy's effects on heart attack risk.

10 Jul 2007

Low testosterone levels in post-menopausal women associated with heart disease

Post-menopausal women with lower levels of testosterone are more likely to suffer from heart disease. Research, published in the June edition of the European Journal of Endocrinology, shows that higher testosterone levels in post-menopausal women may have a protective effect against cardiovascular disease.

9 Jul 2007

Abiraterone reduces levels of prostate specific antigen

For prostate cancer patients whose tumors have continued to grow despite medical or surgical castration, a new drug candidate that inhibits production of male hormones anywhere in the body is showing promise in early trials.

9 Jul 2007

Chemical in brain acts like a fuel gauge

The concept that a drop in blood sugar triggers a craving for food is best understood just before lunchtime. But exactly how the process unfolds has proven difficult to explain, even on a full stomach.

9 Jul 2007

Link between autism and triple vaccination questioned again

According to a new but as yet unpublished study, the number of children in Britain with autism is far higher than previously thought.

8 Jul 2007

Rimonabant may prevent and treat obesity-related liver disease

A new study on the effect of the anti-obesity drug rimonabant on liver function in obese rats found that it reduced markers of liver damage, decreased levels of pro-inflammatory proteins, and improved lipid profiles.

4 Jul 2007

Promising new therapy for protecting the fertility of women with cancer

A promising new therapy for protecting the fertility of women with cancer and auto-immune diseases such as lupus was revealed at the 23rd annual conference of the European Society of Human Reproduction and Embryology.

4 Jul 2007

Are we looking at cancer vaccine trials the wrong way?

Ongoing therapeutic cancer vaccine trials have yet to show evidence of vaccines spurring a patient's immune system to shrink tumors -- yet patients who receive these vaccines in trials tend to live longer and respond better to subsequent treatment.

4 Jul 2007

Rethinking therapeutic cancer vaccine trials

3 Jul 2007

Young girls have eggs extracted before chemo to protect fertility

Israeli fertility experts have extracted and frozen eggs from girls as young as five about to undergo chemotherapy and frozen them so they can be used later to start a family.

3 Jul 2007

Baby girl created using new lab technique

Canadian researchers have scored a world first by creating a baby from an egg which matured in the laboratory, was frozen, thawed and then fertilised.

3 Jul 2007

High frequency of sperm abnormalities associated with reduced testicular volume in male lupus patients

The prognosis for systemic lupus erythematosus (SLE), an autoimmune disease that mainly affects women in their reproductive years, has improved recently, prompting a shift toward improving quality of life.

29 Jun 2007