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Penn researchers find key developmental pathway activates lung stem cells
Researchers from the University of Pennsylvania School of Medicine found that the activation of a molecular pathway important in stem cell and developmental biology leads to an increase in lung stem cells. Harnessing this knowledge could help develop therapies for lung-tissue repair after injury or disease. view more (2008-06-18)
Mutation rate in a gene on the X chromosome holds promise for testing cancer risk
A new study to detect an elevated rate of mutations in a gene on the X chromosome holds promise for developing a test that could identify individuals at risk for developing cancer. view more (2005-09-16)
Long-term Outlook Good for Rotator Cuff Repairs
Patients who underwent a rotator cuff repair surgery experienced pain relief and improved shoulder function, even after a tear recurrence, according to a new study to be presented at the 2009 American Orthopaedic Society of Sports Medicine Specialty Day in Las Vegas. view more (2009-03-02)
Adenine 'tails' make tailored anchors for DNA
Researchers from the National Institute of Standards and Technology (NIST), the Naval Research Laboratory (NRL) and the University of Maryland (UMD) have demonstrated a deceptively simple technique for chemically bonding single strands of DNA to gold. view more (2006-12-27)
A better test to detect DNA for diagnosing diease, investigating crimes
Researchers in Singapore are reporting development of a new electronic sensor that shows promise as a faster, less expensive, and more practical alternative than tests now used to detect DNA. view more (2009-08-27)
New recipe for self-healing plastic includes dash of food additive
Adding a food additive to damaged polymers can help restore them to full strength, say scientists at the University of Illinois who cooked up the novel, self-healing system. view more (2008-10-16)
Ceramides from sheeps wool similar to those of the human skin
The high concentration of ceramides extracted by means of supercritical fluid technology has provoked great interest in the pharmaceutical and cosmetics industries. Due to their composition, these ceramides increase the hydration of the skin and accelerate the repair of damaged skin tissue. view more (2005-04-26)
The good and bad side of anti-cancer compounds
Compounds known as "HDAC inhibitors" exhibit cancer-killing activities in cultured cells. While they are currently being tested as anti-cancer agents in clinical trials, just how they execute their effects is unclear. view more (2008-04-11)
New look at DNA hints at origin of ultraviolet damage
Chemists at Ohio State University have gained new insight into how sunlight affects DNA. And what they found overturns ideas about genetic mutation that originated decades ago. view more (2005-08-25)
Wired DNA
The hereditary DNA molecule was developed by nature to store the genetic information of its creatures. However in recent years it has been shown that this giant molecule could also have other qualities - it may also conduct electrical current. Three research groups that are looking into this subject have now published their results in Angewandte... view more... (1999-03-23)
Preserved in crystal
Scientists at the Weizmann Institute of Science recently discovered a new source of well-preserved ancient DNA in fossil bones. view more (2006-02-03)
Liver regeneration may be simpler than previously thought
The way the liver renews itself may be simpler than what scientists had been assuming. A new study, appearing in the April 13 issue of The Journal of Biological Chemistry, provides new information on the inner workings of cells from regenerating livers that could significantly affect the way physicians make livers regrow in patients with liver... view more... (2007-04-12)
Varicocele Treatment Does Not Improve Male Fertility
Authors of a systematic review in this week's issue of THE LANCET highlight how a common treatment for impaired male fertility may well be ineffective. Up to 15% of men are thought to suffer from varicoceles-dilation of veins in the scrotum-which sometimes leads to lower fertility because of decreased sperm quality and quantity arising from... view more... (2003-05-28)
New insight into how antibiotics kill might make them deadlier
Scientists have what could be some very bad news for disease-causing bacteria. All three major classes of antibiotics that kill infectious bacteria do so in part by ramping up the production of harmful free radicals. view more (2007-09-07)
Damage from oxygen may be one cause of Parkinson's disease
Research by neuroscientists at the University of Virginia Health System shows that oxygen free radicals are damaging proteins in mitochondria, the tiny cellular 'batteries' of brain cells. view more (2006-05-17)
Delaying surgery for hernia repair a safe option
Men who delay surgical repair of a hernia until the hernia becomes uncomfortable fare as well those who undergo immediate surgery. view more (2006-01-18)
Preventing spinal cord injury during aortic surgery
Surgery to repair aortic aneurysms often comes with a high price: neurological deficits, but new research points to a possible defense against spinal cord injury during aortic surgery. view more (2006-06-22)
Researchers Discover New Factor in Nerve Regeneration
Researchers in Oxford University's Department of Human Anatomy have identified a factor involved in the regeneration of neurons in the central nervous system. The discovery and use of this factor could provide the basis for a reparative treatment for both brain and spinal cord injuries. Unlike lower vertebrates, mammals have lost the ability to... view more... (2003-04-07)
NYU School of Medicine pathology researchers solve another mystery in B lymphocyte development
A new study published online in Nature Immunology ahead of the June 2009 print issue has found that homologous immunoglobulin (lg) alleles pair up in the nucleus at stages that coincide with V(D)J recombination of the heavy and light chain (Igh and Igk) loci. view more (2009-05-22)
Repair not destruction: A new approach to treating retinopathy
Many diseases of the eye (such as retinopathy of prematurity (ROP) and diabetic retinopathy) that result in loss of vision are the result of the growth of abnormal blood vessels that leak and bleed. view more (2006-11-17)
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