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.

Not enough women take part in heart drug trials

Scientists say because women are under-represented in the clinical trials of heart drugs, doctors are left in the dark as to how treatments may work differently in their bodies.

3 Aug 2005

Breed and placement affect skin drug delivery

Skin creams and patches might be the easiest way to give your pets medicine but their success also depends on the breed and where it’s applied.

2 Aug 2005

Omega-6 fatty acids promote the growth of prostate tumor cells in the laboratory

A study conducted at the San Francisco VA Medical Center (SFVAMC) has demonstrated that omega-6 fatty acids such as the fat found in corn oil promote the growth of prostate tumor cells in the laboratory.

2 Aug 2005

Protein called cyclin D1 disrupts BRCA1's normal role as a cancer inhibitor

For about a decade, scientists have recognized that many cases of hereditary breast cancer result from a mutation of a specific gene called BRCA1, which, in its normal state, helps keep tumor formation in check. About five to 10 percent of breast cancer cases are linked to genetic miscues, about half of which are linked to BRCA1.

2 Aug 2005

Two-thirds of American women find out about their pregnancies by using a home pregnancy test

In a recent survey undertaken on behalf of First Response, and released in conjunction with a partnership with the March of Dimes aimed at improving pregnancy outcomes, reveals two-thirds (67 percent) of American women aged 18 to 44 who became pregnant found out about their pregnancies by using a home pregnancy test.

2 Aug 2005

Nationwide survey reports a high rate of concern about body image in both boys and girls

A nationwide survey of more than 10,000 adolescents, published in the August issue of Pediatrics, reports a high rate of concern about body image in both boys and girls, and finds that adolescents with such concerns are much more likely to use hormones and dietary supplements to enhance their physique.

1 Aug 2005

Fructose sweetning could be even worse than using other sweeteners

A University of Cincinnati (UC) study provides new evidence that drinking large amounts of beverages containing fructose adds body fat, and might explain why sweetening with fructose could be even worse than using other sweeteners.

31 Jul 2005

New insight into how protein E75 may control circadian rhythms and metabolic processes

University of Toronto researchers have gained new insight into how a specific protein may control circadian rhythms and metabolic processes, which has implications for treating cholesterol-related diseases.

28 Jul 2005

Revolutionary finding on female reproductive function

Previously unrecognized stem cells found in the bone marrow and blood of mice can "restock" a depleted ovary with new egg cells within weeks, according to new research published in this week's issue of the journal Cell.

27 Jul 2005

Infectious diseases pose a serious threat to the nation's public health

Infectious diseases pose a serious threat to the nation's public health. Today, experts addressed key developments to the current and future outlook of infectious diseases, highlighting adolescent immunizations, outbreaks and epidemics of infectious diseases, antimicrobial resistance and new developments in HIV medicine, at a press conference sponsored by the National Foundation for Infectious Diseases (NFID).

27 Jul 2005

Testosterone patch makes older women feel sexy

Women who experience a reduction in sexual desire after the surgical removal of the ovaries, can now be treated with a patch containing the hormone testosterone in order to increase sexual desire and activity.

27 Jul 2005

Clinical factors can help predict the risk of prostate cancer death for patients following a radical prostatectomy

Clinical factors including the time to biochemical recurrence following surgery can help predict the risk of prostate cancer death for patients following a radical prostatectomy, according to a study in the July 27 issue of JAMA: The Journal of the American Medical Association.

27 Jul 2005

Single protein regulates secretion levels - helps stem cells become secretory cells

Johns Hopkins researchers have discovered that a single protein regulates secretion levels in the fruit fly's salivary gland and its skin-like outer layer.

26 Jul 2005

Cancer vaccine combined with hormone-deprivation therapy can help patients with recurrence of prostate cancer

A new study finds that a cancer vaccine combined with hormone-deprivation therapy can help patients with recurrence of prostate cancer. The results of this clinical trial, led by scientists at the National Cancer Institute (NCI), part of the National Institutes of Health, appear in the August 2005 issue of the Journal of Urology.

26 Jul 2005

Eplerenone shows benefit for patients with damaged hearts

In the first thirty days following a heart attack, one in three deaths among patients with signs of heart failure may be preventable by early treatment with a drug called eplerenone (Inspra, Pfizer Ltd), according to new data published in the Journal of the American College of Cardiology (JACC).

26 Jul 2005

Testosterone patch may produce modest increases in sexual desire

A testosterone patch may produce modest increases in sexual desire and frequency of satisfying sexual experiences in women who develop distressful, low sexual desire following hysterectomy and removal of the fallopian tubes and ovaries, according to a study in the July 25 issue of Archives of Internal Medicine.

25 Jul 2005

New treatment that boosts the stomach's 'full' signal offers new way of tackling growing obesity epidemic

A hormone found in the small intestine has provided a crucial breakthrough in developing new drugs to tackle the growing obesity epidemic, claim scientists. Obesity now affects more than half of all UK adults, costing the UK up to 3.7 billion pounds a year in sickness absence and treatments.

25 Jul 2005