Loosen up, DNA: Leukemia gene changes genetic packaging
... called chromatin, looks much like a narrow thread wound tightly around a stack of tuna cans. While there a...ermany showed in an article in Nature that tightly wound DNA that is unavailable, known as heterochromatin, can suppress tumor growth by keeping genes that t...Scientists identify gene involved in stem cell self-renewal in planaria
...e of this protein, the stem cells could respond to wound stimuli, proliferate, and differentiate, but they were unable to self-renew. As a result, the regeneration process failed and the animals died." Using a technique called RNA interference, Illinois graduate student Tingxia Guo and Newmark first elimin...Surprise finding for stretched DNA
... human DNA extends more than three feet, but, when wound up inside the nucleus of a cell, that same molecule measures about one millionth of an inch across. Biologists have long believed that as a molecule of DNA is stretched, its double helix starts to unwind. As much sense as this makes from an intuitiv...Schepens Eye Research Institute scientist is ARVO's 2007 Friedenwald Award recipient
...ntributions to basic and clinical understanding of wound healing, epithelial anchorage, and mucin biology in the area of ocular surface function and cornea research. The Ocular Surface Scholar at Schepens Eye Research Institute in Boston, Mass., and a Professor of Ophthalmology at Harvard Medical School,...Viruses can jump between primates and humans, researchers warn
...xposure. In the event of a bite or scratch, proper wound care can reduce the likelihood of infection, he said. "Governments and non-governmental organizations can also take steps to reduce the risk of virus transmission," said Jones-Engel. "Better management of monkey populations, disease surveillance of ...Wounds may one day heal better, faster, due to new NIH-funded wound healing centers
...physicians. The goal is to deepen understanding of wound healing and apply this knowledge to enhance treatm...igators at 8 universities and medical centers. The wound healing centers and their lead principal investigators are: Andrew Baird, Ph.D., a molecular ...'Crabby' compound that skewers bacteria could prevent medical implant infections
...f nails," fending off microbes seeking to colonize wound dressings, catheters and other implantable medical devices, according to Montana State University researchers. Using the compound to coat these medical devices, they say, could help prevent thousands of bacterial and yeast infections annually. The...Nanotechnology propels advances in regenerative medicine research
...pp and his colleagues found nanoparticles hastened wound healing in rabbits and, after islet transplantation, cured diabetes in mice. Nanoparticles with other chemical compositions accelerate bone repair in rats and promote the growth of neurons in mice and rats with spinal cord injuries, he says. (COLL 21...ACS Weekly PressPac -- September 6, 2006
...f nails," fending off microbes seeking to colonize wound dressings, catheters and other implantable medical devices, Philip Stewart and colleagues report. Using the compound to coat these medical devices, they say, could help prevent thousands of bacterial and yeast infections annually. In preliminary l...Search on for treatment of slow-healing wounds
..."Our hypothesis is that once a biofilm starts in a wound it interferes with the normal healing process and ...why certain treatments - like debridement, where a wound is actually scraped clean - works. In that case, the biofilms are removed." The grant is in partne...News tips from the Journal of Neuroscience
... have a positive effect during the later stages of wound healing and repair. The authors put the hypothesis...pinal cord contusion injury expressed MMP-2 during wound healing, primarily in reactive astrocytes. This expression appeared to be beneficial, because MMP-2 ...Genome archaeology illuminates the genetic engineering debate
...s have disappeared completely. Corresponding genes wound up in completely different locations within the genome and have likely undergone changes in how they affect biological operations. "The research, conducted by an international collaboration of scientists, will help scientists and farmers improve th...ACS News Service Weekly PressPac -- Oct. 4, 2006
...first century A.D. when spider webs were prized as wound dressings. They even found a place in Shakespeare'...vis.edu ARTICLE #4 FOR IMMEDIATE RELEASE New wound dressing may lead to maggot therapy without the maggots Biotechnology Progress Scientists in the U...MIT material stops bleeding in seconds
... a nanoscale protective barrier gel that seals the wound and halts bleeding. Once the injury heals, the non...earby cells. Even after excess gel is removed, the wound remains sealed. The gel eventually breaks down into amino acids, the building blocks for proteins, w...Binghamton University researcher makes major biofilm dispersion breakthrough
...p the infection, they will heal. We know that from wound debridement studies," he said. "I really think we can make a difference with these people, and if that was the only thing we did, it would be worth everything we're doing."...Research could lead to new treatments for birth defects
...ally important areas of biology such as cancer and wound healing. "In any event, this research has the potential to lead to new ways of treating cleft lip and palate caused by this genetic mutation, as targeting the defective gene during pregnancy could help the skin cells develop normally." Further re...Gene involved in common birth defect also regulates skin biology
... cells, a discovery that may have implications for wound healing and cancer research. In 2002, Brian Schu...ally important areas of biology such as cancer and wound healing. The main funding for the study is from a National Institute of Dental and Craniofacial Res...New biologic treatment for tennis elbow may replace surgery for chronic sufferers
...PRP therapy to be useful in maxillofacial surgery, wound healing, microfracture repair, and in the treatment of plantar faciitis. Treatment with PRP is still considered investigational and further research is needed before it can be made available to the general population. "The body has an extraordinary...HFI-1 gene has key role in both oxygen sensing, heat shock pathway
...cells after a period of hypoxia also works against wound healing. In healthy cells, the researchers theorize, HIF-1's turning on of heat shock proteins is beneficial, because the proteins appear to prepare the cell for the return of oxygen, which can cause proteins in the cell to unfold. The heat shock pr......ntibiotics, but it can also cause serious surgical wound infections, bloodstream and bone infections, or pneumonia. The burden of such infections, according to one recent study, is "staggering: almost 12,000 inpatient deaths annually," an estimated 2.7 million days in excess hospital length of stay, and $...