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.

Even mildly underactive thyroid doubles risk of heart conditions

Individuals with subclinical hypothyroidism - a mildly underactive thyroid only detectable by a blood test - are twice as likely to develop heart failure, compared to those with normal thyroid levels, according to a new study presented on Thursday, Oct. 4, at the 78th Annual Meeting of the American Thyroid Association (ATA) in New York.

4 Oct 2007

Prostate cancer treatment may encourage spread of cancer cells

According to a new study by researchers in the U.S. the popular prostate cancer treatment, androgen deprivation therapy, may in fact encourage the spread of cancer cells throughout the body.

3 Oct 2007

Low doses of a red wine ingredient resveratrol fights diabetes in mice

A chemical found in the skins of red grapes and in red wine can improve the sensitivity of mice to the hormone insulin, according to a report in the October issue of Cell Metabolism, a Cell Press publication.

3 Oct 2007

Discovery of genetic roadblock could lead to novel treatments for type 2 diabetes

A team of Mount Sinai Hospital researchers has found that a “genetic roadblock” identified in a recent study could pave the way toward novel treatments for type 2 diabetes.

3 Oct 2007

First significant genetic finding in severe premenstrual dysphoric disorder

The first significant genetic finding in premenstrual dysphoric disorder (PMDD) has now been reported. PMDD is a very severe form of the more commonly known premenstrual syndrome, or PMS.

2 Oct 2007

Many American women misinformed about breast cancer

Although most U.S. women consider themselves to be knowledgeable about breast cancer, many have inaccurate information, according to a survey released Monday by the National Breast Cancer Coalition, the Chicago Tribune reports.

2 Oct 2007

Study looks at effects of sleep deprivation on metabolic and cardiovascular function

Researchers at the University of Surrey are investigating the effects of sleep deprivation on metabolic and cardiovascular function and are looking for volunteers to take part in a study.

2 Oct 2007

Pregnancy after breast cancer is possible

Once Alyssa Tushman knew her young son would not grow up motherless, her next question was whether he would be an only child.

2 Oct 2007

Lower metabolism, eating behavior possibly explain the cause of overweight in narcolepsy

A lower metabolism, as well as slight changes in eating behavior, could explain the positive energy balance leading to being overweight in narcolepsy, according to a study published in the October 1 issue of the journal SLEEP.

2 Oct 2007

Lifestyle changes could prevent one in ten cases of breast cancer by 2024

If women change some aspects of their lifestyle now thousands of cases of breast cancer could be prevented over 20 years â€“ a leading researcher predicts tomorrow (Monday).

2 Oct 2007

Leptin plays a major role in islet cell growth and insulin secretion

A new Joslin-led study has shown that leptin, a hormone known mainly for regulating appetite control and energy metabolism, plays a major role in islet cell growth and insulin secretion.

2 Oct 2007

New molecular evidence of the role of the hormone prolactin in breast cancer

They have found that prolactin, a pituitary hormone that normally stimulates breast development and milk production, initiates a new “signaling pathway” that may regulate the growth and survival of breast cancer cells.

29 Sep 2007

Male contraception

For decades, pundits have predicted new contraceptives for men within the next 5 to 10 years.

29 Sep 2007

Wine, beer and spirits all equal when it comes to breast cancer

Barcelona, Spain: One of the largest individual studies of the effects of alcohol on the risk of breast cancer has concluded that it makes no difference whether a woman drinks wine, beer or spirits (liquor) – it is the alcohol itself (ethyl alcohol) and the quantity consumed that is likely to trigger the onset of cancer.

27 Sep 2007

Exercise might actually increase the risk of developing ovarian cancer

Barcelona, Spain: A new study adds fuel to the debate over whether being fat or inactive affects the risk of developing ovarian cancer.

27 Sep 2007

Low birth weight children may be at a greater risk of stress-related health problems as adults

Findings from this study show that low birth weight (below the 10th percentile) can lead later in life to low concentrations of cortisol, a hormone that regulates stress response by adjusting blood pressure and blood sugar levels.

27 Sep 2007

Enzyme's second messenger contributes to cell overgrowth

Scientists at the University of California, San Diego (UCSD) School of Medicine have uncovered a novel pathway by which hormones elevated in inflammation, cancer and cell injury act on cells to stimulate their growth.

27 Sep 2007

All alcohol consumption linked to breast cancer risk

One of the largest individual studies of the effects of alcohol on the risk of breast cancer shows that it makes no difference whether a woman drinks wine, beer or spirits (liquor).

27 Sep 2007

Survival data presented from phase II study of hormone-resistant prostate cancer patients

The results from the randomized, double -blind, placebo -controlled, Phase II EPOC (Endothelin A Proof Of Concept) Study of ZD4054 - a specific endothelin A (ETA) receptor antagonist – were delivered at the 14th European Congress of Clinical Oncology (ECCO, 23-27 September, Barcelona).

26 Sep 2007

New AstraZeneca compound shows promoise for hormone resistant prostate cancer patients with bone metastases

New Phase II data suggests that ZD4054, a novel compound in development for the treatment of men with Hormone Resistant Prostate Cancer (HRPC), could offer a promising improvement in overall survival in men with metastatic HRPC who were asymptomatic or mildly symptomatic for pain.

26 Sep 2007