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Unique arrays of proteins tethered onto self-assembled DNA nanostructures

In the fifty-year history since the structure of DNA was first revealed, what was once a Nobel prize- winning research discovery has become an omnipresent cultural icon co-opted for promoting everything from fragrances to musical acts.

20 Jun 2005

Reproductive tourism is on the increase in Europe

Reproductive tourism is on the increase in Europe, but rather than condemning it, we should regard it as a "safety valve" that helps us to avoid moral conflict, according to a European ethics expert.

20 Jun 2005

Damage to DNA in sperm is significantly higher in older men

Damage to DNA in sperm is significantly higher in older men than in those who are younger, according to research presented today (Tuesday 21 June 2005) at the 21st annual conference of the European Society of Human Reproduction and Embryology.

20 Jun 2005

New topical pain cream, Maxilene, eases procedural pain

Researchers at The Hospital for Sick Children (Sick Kids) have found that a new topical anaesthetic (liposomal lidocaine 4% cream, brand name Maxilene) effectively reduced pain for children having IVs inserted (cannulation) in the emergency department and improved procedural success rates.

20 Jun 2005

Ramelteon may help chronic insomniacs

Ramelteon, a novel investigational compound under review with the FDA for the treatment of insomnia, reduced the time it took to fall asleep and increased total sleep time in adults with chronic insomnia, according to results from a Phase 3 study presented this week at the 19th Annual Meeting of the Associated Professional Sleep Societies (APSS).

20 Jun 2005

Many pitfalls of aging result from either older stem cells or stem cells responding to their older environment

Older people are more prone to infections and have a higher risk of developing leukemia, and now researchers at Stanford University School of Medicine have one hint as to why that may be.

20 Jun 2005

New way of obtaining embryonic stem cells that avoids contamination by other types of cells

Scientists in the USA have discovered a new way of obtaining embryonic stem cells that avoids contamination by other types of cells and reduces the numbers of embryos needed to create embryonic stem cell lines.

20 Jun 2005

Patients who need PET/CT scans should avoid drinking coffee

Patients who need a positron emission tomography (PET)/computed tomography (CT) procedure to evaluate known or suspected malignancies should lay off the java, according to research by Medhat M. Osman, M.D., Ph.D., assistant professor in the department of internal medicine's division of nuclear medicine and director of PET at Saint Louis University Hospital.

20 Jun 2005

Stem cells grown in lab mirror normal developmental steps

Johns Hopkins scientists have developed a way to study the earliest steps of human blood development using human embryonic stem cells grown in a lab dish instead of the embryos themselves.

20 Jun 2005

Inexpensive tests can be used to decide who needs HIV treatment in poor countries

Researchers from the Johns Hopkins Bloomberg School of Public Health, Centers for Disease Control and Prevention and the Chiang Mai University in Thailand, evaluated the ability of inexpensive biological markers, which are obtainable in resource-poor countries, to determine which HIV-infected patients are in the greatest need of antiretroviral therapy.

20 Jun 2005

Study finds better long-term outcomes when surgeons place a bypass graft to all the territories of the heart that have significantly blocked arteries

Pointing out that not all coronary artery bypass operations are performed the same way or have equivalent outcomes, cardiothoracic surgeons at Cedars-Sinai Medical Center have found that patients who have blockages of multiple coronary arteries and undergo "complete revascularization" - grafting of arteries to restore blood flow to all affected territories of the heart - have consistently better long-term survival rates than those who have "incomplete revascularization."

20 Jun 2005

Baby wallaby bone development may hold key to human development

Melbourne researchers are one step closer to unravelling the secrets of human bone development in a new study involving three-dimensional synchrotron images of baby wallabies.

20 Jun 2005

Marijuana vaporizers - get the dope without the smoke

The latest gadget on the medical marijuana scene is a high-tech contraption that lets people inhale the drug without the smoke.

20 Jun 2005

Faulty defibrillators may mean surgery for thousands of cardiac patients

Surgery to replace possibly faulty implanted cardiac defibrillators may now be on the cards for thousands of cardiac patients.

20 Jun 2005

Fruit juice, regular exercise, clean teeth and a drink in moderation, all help prevent Alzheimer's

According to a new report, drinking fruit juice, getting regular exercise and brushing your teeth could all help prevent Alzheimer's.

20 Jun 2005

Smoking ban planned for many public areas in the UK

The British Government is all set to implement smoking bans in many public areas.

20 Jun 2005

Doing the Moonwalk for fun and money

In a major effort to raise awareness as well as cash for research, thousands of women wearing elaborately decorated bras walked a marathon-length route through the night in UK capital, London.

20 Jun 2005

Gay doctors and patients in the UK fear discrimination

A new report by the British Medical Association (BMA) says that gay and lesbian patients are often reluctant to reveal their sexuality to their doctors because they fear their treatment will suffer.

20 Jun 2005

Super GP surgeries to be developed within grounds of top hospitals

Medical experts say the development of super-surgeries within hospital grounds, or practices being taken over by the elite NHS trusts is a very real possibility.

20 Jun 2005