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Researchers show how estrogen turns genes on and off during cancer progression

Ohio - A new study suggests that the hormone estrogen works in partnership with other proteins to activate or suppress gene activity in breast cancer cells.

2 Feb 2006

Hepatitis C recurs rapidly after liver transplant

When a diseased liver is removed from a patient with Hepatitis C (HCV), serum viral levels plummet. However, after receiving a healthy liver transplant, virus levels rebound and can surpass pre-transplant levels within a few days, according to a new study published in the February 2006 issue of Liver Transplantation, the official journal of the American Association for the Study of Liver Diseases (AASLD) and the International Liver Transplantation Society (ILTS).

2 Feb 2006

Women pregnant with girls experience more severe asthma symptoms

Women with asthma who are carrying a female fetus are more likely to experience worse asthma symptoms than asthmatic women carrying a male fetus, researchers at Yale School of Medicine report in the February issue of American Journal of Epidemiology.

2 Feb 2006

Study looks at placebo effect

The debate about the existence of a placebo effect has heated up over the past year as more and more lab experiments are detecting immediate physiological responses to placebos.

2 Feb 2006

60 new genes controlled by regulatory sequences

Researchers worldwide are seeking to define ancient sections of our genetic code that may soon be as important to medical science as genes.

2 Feb 2006

Can rimonabant slow atherosclerosis?

Researchers at the University of Rochester Medical Center has announced that they have launched a study to determine whether an experimental drug, rimonabant, can slow atherosclerosis, the fatty build-up in arteries that creates heart attack risk.

2 Feb 2006

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

Phase II clinical trial for new gene transfer drug study

As many as 8-10 million Americans have Peripheral Artery Disease (PAD), by age 70, roughly 20 percent of the population has it, and people with PAD face a six-to-seven times higher risk of heart attack or stroke.

2 Feb 2006

HMRI researcher lights a path to understanding brain diseases

Neurologist Mike Harrington of Pasadena, California's Huntington Medical Research Institutes argues that soon we may be able to detect brain disease before symptoms even begin. The secret is in the cerebrospinal fluid, the clear liquid that cushions our brain and spinal cord.

2 Feb 2006

Women with low estrogen levels more sensitive to pain

Several recent studies have found that women are more sensitive to pain during periods of low estrogen.

2 Feb 2006

AIDS campaigners call on British and French governments to develop a common strategy to fight HIV/AIDS

In a report published today, the Global AIDS Alliance, a grassroots campaign, gives its wholehearted backing to Gordon Brown's proposed International Finance Facility (the IFF) and calls on the French government to work with Brown to capitalise the Facility with revenues obtained from the French proposal for an airline tax.

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

Share of pharmaceutical spending in total healthcare expenditure remains high across most EU countries

Most EU member states have publicly funded healthcare systems and the proportion of pharmaceutical expenditure, as a portion of GDP remains high, particularly in countries such as Italy, Portugal, France, Spain and Greece.

2 Feb 2006

Pregnancy does not provide protection against depression

Pregnancy has historically been described as a time of emotional well-being, providing "protection" against psychiatric disorder, but a new study says the hormonal changes which occur during pregnancy do not protect women from depression, and those taking antidepressants may need to continue despite concerns about fetal damage.

2 Feb 2006

Married, happy and rich, means you should look young!

According to Danish researchers, in order to hang on to your looks and retain a youthful demeanor all you need is happy family life and plenty of money.

2 Feb 2006

Controlling neglected diseases will boost fight against HIV, TB and Malaria

Achieving success in the global fight against the "big three" diseases - HIV/AIDS, tuberculosis and malaria, which together account for 5.6 million deaths a year - may well require a concurrent attack on the world’s most neglected tropical diseases, says a team of researchers in the international open access journal PLoS Medicine.

2 Feb 2006

Regular use of COX-2 inhibitors reduces breast cancer risk

A case-control study published today in the open access journal BMC Cancer observed that daily use of selective COX-2 inhibitors, including celecoxib (Celebrex) and rofecoxib (Vioxx), was associated with a 71% reduction in the risk of breast cancer.

2 Feb 2006

$Bones from blood: scientists aim to break new ground on fractures$

Bones from blood: scientists aim to break new ground on fractures

Scientists at the University of York have launched a new research project which aims to develop ways of making bones from blood.

2 Feb 2006

Preimplantation cell number may affect birthweight

Dr Lieberman et al. at the Department of Obstetrics, Gynaecology and Reproductive Biology at the Brigham and Women's Hospital, Harvard Medical School in Boston, USA have measured the quality of human embryos by counting and assessing the properties of their individual cells.

2 Feb 2006