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.

Chemical in plastic baby bottles worrying Brits

Concerns raised by scientists in the U.S. last month about Bisphenol A, a controversial chemical found in most plastic baby bottles has led to calls from groups in Britain for all baby bottles to be clearly labelled.

7 May 2008

Fat transplantation can have metabolic benefits

When transplanted deep into the abdomen, fat taken from just under the skin comes with metabolic benefits, or at least it does in mice, reveals a new study in the May issue of Cell Metabolism, a Cell Press publication.

6 May 2008

Wal-Mart generic drug program to begin offering 90-day supplies of more than 350 medications for $10 each

Wal-Mart officials on Monday announced the company will expand its discount program for generic drugs to offer three-month supplies for $10, the AP/Google.com reports (Harris, AP/Google.com, 5/5).

6 May 2008

Blocked brain enzyme shows potential as target for appetite control, weight loss and blood sugar management

Imagine being able to tone down appetite and promote weight loss, while improving the body's ability to handle blood sugar levels.

6 May 2008

Gut hormone makes food appear more desirable

A gut hormone that causes people to eat more does so by making food appear more desirable, suggests a new report in the May issue of Cell Metabolism, a publication of Cell Press. In a brain imaging study of individuals, the researchers found that reward centers respond more strongly to pictures of food in subjects who had received an infusion of the hormone known as ghrelin.

6 May 2008

Joslin researchers find certain body fat reduces insulin resistance

It has long been known that type 2 diabetes is linked to obesity, particularly fat inside the belly. Now, researchers at the Joslin Diabetes Center have found that fat from other areas of the body can actually reduce insulin resistance and improve insulin sensitivity.

6 May 2008

Depression in seniors linked to low levels of vitamin D

Researchers in Holland have found that older people with low blood levels of vitamin D and high blood levels of the parathyroid hormone are more likely to be depressed.

6 May 2008

Low blood levels of vitamin D may be associated with depression in seniors

Older adults with low blood levels of vitamin D and high blood levels of a hormone secreted by the parathyroid glands may have a higher risk of depression, according to a report in the May issue of Archives of General Psychiatry.

5 May 2008

Drinking patterns in adolescents may be set after only a few exposures to alcohol

Scientists at Duke University Medical Center have shown a connection between early drinking patterns and a tendency to be a heavy drinker in adulthood, in a study of adolescent rats.

5 May 2008

Oestrogen works for women the way testosterone does for men

Collaboration by American and German scientists has revealed that the sex hormone oestrogen increases a women's competitiveness.

5 May 2008

Breakthrough compound could lead to new class of antihypertensive drugs

University of Florida researchers have identified a drug compound that dramatically lowers blood pressure, improves heart function and - in a remarkable finding - prevents damage to the heart and kidneys in rats with persistent hypertension

1 May 2008

Phase of clock gene expression in human leukocytes correlates with habitual sleep timing

The phase of clock gene expression in leukocytes, assessed in the absence of the masking effects of light-dark and sleep-wake cycles, correlates with habitual sleep timing, according to a study published in the May 1 issue of the journal SLEEP.

1 May 2008

New study raises questions about prostate cancer therapies targeting insulin-like growth factor receptor

Therapies under development to treat prostate cancer by inhibiting the ability of insulin-like growth factor (IGF-1) to activate its target receptor could have unexpected results especially if a major tumor suppressor gene - p53 - is already compromised, according to new research by investigators at Fred Hutchinson Cancer Research Center.

1 May 2008

Early treatment of Helicobacter pylori infection may prevent cancer

Based on research using a new mouse model of gastritis and stomach cancer, researchers from the Massachusetts Institute of Technology (MIT) say that prompt treatment of Helicobacter pylori (H. pylori) infections reverses damage to the lining of the stomach that can lead to cancer.

1 May 2008

Study raises questions about prostate cancer therapies targeting IGF-1

1 May 2008

Aspirin a day cuts risk of common breast cancer

Scientists in the U.S. say an aspirin a day may afford women some protection against the most common type of breast cancer, estrogen receptor or ER-positive breast cancer.

30 Apr 2008

Scientists discover the double life of proteins

Scientists at The Australian National University are a step closer to understanding the rare Hartnup disorder after discovering a surprising link between blood pressure regulation and nutrition that could also help to shed light on intestinal and kidney function.

30 Apr 2008