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When is a stem cell not really a stem cell?
Working with embryonic mouse brains, a team of Johns Hopkins scientists seems to have discovered an almost-too-easy way to distinguish between "true" neural stem cells and similar, but less potent versions. view more (2007-08-27)
Hopkins scientists find cells responsible for bladder cancer's spread
Johns Hopkins scientists have tracked down a powerful set of cells in bladder tumors that seem to be primarily responsible for the cancer's growth and spread using a technique that takes advantage of similarities between tumor and organ growth. view more (2009-08-07)
Mammals can be stimulated to regrow damaged inner retina nerve cells
Researchers at the University of Washington (UW) have reported for the first time that mammals can be stimulated to regrow inner nerve cells in their damaged retinas. Located in the back of the eye, the retina's role in vision is to convert light into nerve impulses to the brain. view more (2008-11-25)
Researchers Find Defects in Adult Stem Cell Niche May Cause Breast Cancer
Researchers at Georgetown's Lombardi Comprehensive Cancer Center have found that the onset of breast cancer may be due to defects in somatic adult stem cell niches that exist long before tumors develop. view more (2005-10-05)
Helping young people come to terms with mental illness
Creating websites and placing posters in schools are just some of the ways self-help support groups (SHSGs) could reach young people with a mental illness, according to a study just completed at the University of Western Sydney. view more (2005-08-31)
Early signs that adult bone-marrow stem cells could regenerate brain tissue (p 1432)
Findings of a preliminary study in this week's issue of THE LANCET suggest that transplanted adult bone-marrow cells could regenerate nerve cells in the brains of human stem-cell recipients. These early findings, if confirmed in future research, have implications for the treatment of neurodegenerative disorders such as Parkinson's disease. Ethical... view more... (2004-04-28)
Seemingly suicidal stunt is normal rite of passage for immune cells
Researchers have shown that self-induced breaks in the DNA of immune cells known as lymphocytes activate genes that cause the cells to travel from where they're made to where they help the body fight invaders. view more (2008-10-21)
Button and Buttonhole in a Single Molecule
Whether in upholstery, insulation, shoe-soles, varnishes, or even artificial heart valves, polyurethanes (PUR) are found in nearly all areas of life as incredibly versatile all-around plastics. However, some are surprised to find that the method of making polyurethanes has hardly changed since their discovery over 60 years ago, when they were... view more... (1999-09-29)
The stem cells that weren't there
Diabetes researchers, investigating how the body supplies itself with insulin, discovered to their surprise that adult stem cells, which they expected to play a crucial role in the process, were nowhere to be found. view more (2007-05-08)
An 'eye catching' vision discovery
Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of Medicine have discovered in fish yet another type of cell that can sense light and contribute to vision. view more (2009-07-27)
Doubling of steroids before severe asthma attacks ineffective (p 271)
Recommendations to double inhaled steroids at the start of asthma attacks are challenged by research findings in this week's issue of THE LANCET. Doubling the dose of inhaled corticosteroid when asthma control deteriorates is widely advocated but is of unproven value. Tim Harrison from the department of respiratory medicine, Nottingham City... view more... (2004-01-21)
Mother's immune system may block fetal treatments for blood diseases
Pediatric researchers have resolved an apparent contradiction in the field of prenatal cell transplantation- a medical approach that holds future promise in correcting sickle cell disease and other serious congenital blood disorders. view more (2009-08-17)
Exploration by explosion: Studying the inner realm of living cells
Scientists in Washington, DC, are reporting development and successful tests of a new way for exploring the insides of living cells, the microscopic building blocks of all known plants and animals. view more (2009-11-12)
Modified bone marrow cells can help recovery in an animal model of multiple sclerosis
A new study published in PLoS Medicine has shown that modified bone marrow cells can help recovery in an animal model of multiple sclerosis (MS). view more (2007-04-10)
U of Minnesota researchers discover noninvasive diagnostic tool for brain diseases
Researchers from the University of Minnesota Medical School and Brain Sciences Center at the Minneapolis VA Medical Center have identified a noninvasive and painless way to diagnose complex brain diseases. view more (2007-08-23)
Scientists make first step towards growing human lungs for transplant
Scientists have successfully converted human embryonic stem cells into lung cells, taking a first step towards building human lungs for transplantation. view more (2005-08-23)
New rewards for inspiration and innovation in raising the public awareness of physics
New rewards for inspiration and innovation in raising the public awareness of physics view more (1999-04-07)
The unknown within us - ageing affects our gut flora
Ageing does not only affect the way we look from outside; the microbiota living in our gut also changes with age. The intestinal microbiota of infants is quite well identified, but only 8% of the microbes in elderly people can be characterised at the moment. We all carry inside us millions of mostly beneficial bacteria that help us manage our diet... view more... (2002-10-18)
The downside of microtubule stability
Stalled microtubules might be responsible for some cases of the neurological disorder Charcot-Marie-Tooth (CMT) disease. view more (2009-06-15)
Treating male infertility with stem cells
New research has examined the usefulness of bone marrow stem cells for treating male infertility, with promising results. The related report by Lue et al, "Fate of bone marrow stem cells transplanted into the testis: potential implication for men with testicular failure," appears in the March issue of The American Journal of Pathology. view more (2007-03-02)
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