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.

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According to a new but as yet unpublished study, the number of children in Britain with autism is far higher than previously thought.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

Natural hormone relaxin offers hope to infertile couples

A new study from the University of Leicester is investigating whether a naturally produced hormone could provide the key to helping couples conceive.

29 Jun 2007

Breast cancer survival runs in the family

The chances of developing breast cancer are to some extent inherited, but important new findings suggest survival also runs in the family.

29 Jun 2007

Discovery of gene and mechanism essential to the embryonic development of the epididymis

Human sperm cells travel up to 6 meters in their transit from testes to penis, and most of that journey occurs in the epididymis, a tightly coiled tube that primes the cells for their ultimate task: fertilization.

28 Jun 2007

Sexual fantasies and anxiety related to sexual desire

Scientists of the Department of Personality, Evaluation and Psychological Treatment of the University of Granada have studied how some psychological variables such as erotophilia (positive attitude towards sexuality), sexual fantasies and anxiety are related to sexual desire in human beings.

28 Jun 2007

Calcium from food better than pills

The majority of women today are aware that calcium is essential in preventing osteoporosis, especially after the menopause.

27 Jun 2007

15,000 children and adolescents in the United States are diagnosed with type 1 diabetes annually

Approximately 15,000 children and adolescents in the United States are diagnosed with type 1 diabetes, and about 3,700 youth are diagnosed with type 2 diabetes annually, according to estimates from a major national study called SEARCH for Diabetes in Youth.

27 Jun 2007

Estrogen injections protect brain cells from age-related deterioration

The study suggests that age is a factor in estrogen treatment and sheds light on the intricate relationship between mind, age, and hormones. The study will be published in the online edition of Proceedings of the National Academy of Sciences during the week of June 25.

26 Jun 2007