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.

Hormone hydrocortisone (cortisol) supplementation improves ventilator weaning

Intensive care unit physicians can increase the success of mechanical ventilation weaning and shorten the weaning period by identifying critically ill patients who have adrenal insufficiency and treating them with the hormone hydrocortisone (cortisol).

2 Feb 2006

Why anti-obesity cortisol reducing supplements do not work

Researchers at Oregon Health & Science University have revealed that the cortisol/obesity connection, touted by many weight-loss supplement marketers, may be even more tenuous than first thought.

2 Feb 2006

Remifemin black cohosh extract shown to reduce menopausal symptoms

The controversy over Hormone Replacement Therapy (HRT) rages on. Over 40 million American women are within menopause age, and in five years the numbers will increase to over 60 million.

2 Feb 2006

Deer antlers provide important clues for stem cell research

Research carried out by veterinary scientists at the Royal Veterinary College reveals that deer antler regeneration may use stem cells and involves similar mechanisms to those used in limb development.

2 Feb 2006

BRCA1 gene inhibits estrogen and progesterone

It's been known that the breast cancer susceptibility gene BRCA1 regulates use of estrogen in breast and other cells, but now researchers at Georgetown University Medical Center have discovered that it also controls activity of a second sex steroid hormone, progesterone.

27 Jan 2006

Warning of risk of from vaginal oestrogen

Breast cancer specialists from one of the UK's leading cancer centres cautioned doctors of the risks in prescribing vaginal oestrogen to breast cancer patients being treated with the new aromatase inhibiting drugs, anastrozole, letrozole and exemestane.

26 Jan 2006

New kit checks on womens' chances of conceiving

A British company, Lifestyle Choices has launched the world's first publicly available triple-hormone ovarian reserve test, creating concerns that women may rely on it to estimate how many more years they can put off having children.

26 Jan 2006

Sex calms the nerves

According to a Scottish psychologist the best way to calm your nerves prior to making a speech or giving a presentation in public, is to have sex, (not in public)!

26 Jan 2006

Patent losses open up $30 billion biologics market to generic competition

With powerhouse biologics, such as human growth hormone and insulin, losing their U.S. patent protection in 2005 and many more set to expire within the next 4 years, generic competition in the lucrative biopharmaceutical market is imminent, according to a new study from Kalorama Information.

25 Jan 2006

Breakthrough in lupus research

A major breakthrough in lupus research - one that may fundamentally change thinking on how the disease affects behavior and cognition - was reported in the January 17, 2006 Proceedings of the National Academy of Sciences (PNAS).

25 Jan 2006

Stress in pregnancy means boys will be stronger

A team from the University of California, Berkeley, have found in a study that pregnant women are more likely to miscarry male fetuses than females fetuses during times of stress.

25 Jan 2006

Women with endometriosis undergoing IVF benefit from treatment with GnRH agonists

The live birth rate per woman was significantly higher in women with endometriosis who received gonadotrophin releasing hormone (GnRH) agonist for three to six months before commencing in vitro fertilisation (IVF), compared to control groups.

25 Jan 2006

Early prediction of endocrine therapy effect in advanced breast cancer patients using nuclear medicine imaging

Innovative use of somatostatin receptor scintigraphy (SRS), a nuclear medicine imaging technique looking at how the body functions at the molecular level, may provide near immediate selection of breast cancer patients for endocrine therapy and offers a new tool in fighting the disease

23 Jan 2006

Metabolic syndrome - a new risk factor for impaired kidney function

A three-year multi-center study of kidney-pancreas transplant recipients has identified a new risk factor for impaired kidney function, which may help physicians refine their treatment strategies.

23 Jan 2006

Histidine may be key to new therapies for cardiovascular disease

It's just one little amino acid, but it makes all the difference in protecting the heart from the harmful effects of heart attack and cardiac failure. Researchers from the University of Michigan Medical School suggest this amino acid, called histidine, could be the key to a new therapy for cardiovascular disease

23 Jan 2006

New findings about messenger molecule raise hopes for new drug

Uppsala University scientists have developed a new method for measuring the concentration of the messenger substance for cells, cyclic adenosine monophosphate (cAMP), in individual living cells.

18 Jan 2006

Leptin, brain and body weight

Researchers have identified a new area of the brain that responds to the fat hormone leptin in regulating body weight and energy expenditure. They said that the region seems to be particularly important in enabling the body to resist weight gain from a high-fat diet.

18 Jan 2006

Growth hormone helps children with sleep apnea

Growth hormone helps hundreds of children with a rare disorder that causes them to gorge on food, but for some, starting treatment can worsen a dangerous nighttime breathing problem, University of Florida researchers have found.

18 Jan 2006

Missing protein C/EBPb may be cause of infertility

The absence of a key protein may lead to infertility. Researchers at the University of Illinois at Urbana-Champaign report that experiments involving mice -- to be detailed in the Proceedings of the National Academy of Sciences -- indicate that the transcription factor protein C/EBPb must be present in the uterus for pregnancy to occur.

18 Jan 2006

Acetazolamide improves central sleep apnea in heart failure

Since sleep apnea is associated with heart failure, patients who take a single dose of acetazolamide - a mild diuretic and respiratory stimulant - before going to bed exhibit less sleep apnea, improved blood oxygen levels and fewer daytime symptoms of sleepiness.

16 Jan 2006