Protein that stimulates blood vessel growth also helps repair broken bones
...r original strength within a matter of weeks, some breaks stubbornly refuse to heal for months, years, or longer, she said. Scientists have suggested a few factors that may interfere with bone healing, such as nutrition, illnesses such as diabetes, and damage to soft tissue surrounding the bone. Helms and...Detroit researcher receives national award
..., or oxidizes, nearly everything it encounters. It breaks down drugs and fats, makes cancer-causing compounds, and performs a host of other functions. To solve for the unknowns in the various reaction steps, Newcomb substitutes what he does know: the rates at which molecules he has built, called probes, rea...Breakdown of penicillin by resistant bacteria elucidated
...cteria make beta-lactamase, an enzyme that quickly breaks down penicillin. Now, seven decades later, scientists at the University of Chicago led by Marvin W. Makinen, Ph.D., professor of biochemistry & molecular biology, have discovered exactly how b-lactamases deactivate penicillin. Their findings, publ...Nature's path leads scientists to new antibiotic strategy
...he bacterial membrane. When that happens, all hell breaks loose with the bacterium," Gellman said. This mechanism of thwarting bacterial infection is different from that employed by traditional antibiotics like penicillins, for example, suggesting that it might take a very long time for bacteria to evol...Key DNA enzyme can tolerate more mutations than expected
...e cell -- as involving a gliding double-helix that breaks apart and smoothly forms new cells as symphonic music swells in the background. But the latest scientific studies show that cell replication is in fact much different, and far more chaotic. There can be a widespread substitution of different element...Virtual reality tool quantifies physics of a doctor's touch
...uman abdomen, using atomic-unit-type modeling that breaks up human tissues into pieces measuring no more than 8mm. The system takes as its raw material the Visible Human Data Set developed by the National Institutes of Health that features complete, digitized data sets of the human body. Using a very powe...June 'Geology' and 'GSA Today' highlights
... major quakes in the past 100 years that represent breaks along a 1000-km-long segment of the plate boundary. The breaks have systematically progressed westward, toward the Marmara region, home of the city of Istanbul and...A new type of mutation in the human genome
...f the duplicated portion of DNA and at least three breaks to the DNA. As the chromosomes containing these duplications appear normal, and as duplications don't necessarily lead to disease, the prevalence of noncontiguous duplications is unknown at this point. Although the complete process by which these ...Genes may help protect kidneys from diabetes damage
...come damaged and leaky. When the filtration system breaks down, patients require dialysis or kidney transplants to survive. Though the study was conducted on mice, Coschigano notes that there is human evidence of the connection between growth hormone and kidney damage. People with acromegaly, a rare dise...Lactose intolerant girls can have their milk and drink it, too
... an enzyme in the small intestine that breaks down lactose. Lactose intolerance refers to the severity of the symptoms (including abdominal pain, diarrhea and headaches) caused by the inability to digest lactose. The inability to adequa...New test for radiation damage to DNA developed at Brookhaven Lab
...the Brookhaven research team. These closely spaced breaks through both strands of the DNA double helix are k...complex damage sites observed , with double strand breaks comprising only 20 percent. "This means that the effects of most types of complex DNA damage in the ...UCSD chemists develop portable nerve gas sensor
...cals with phosphorus-fluorine bonds. This catalyst breaks the phosphorus-fluorine bond in "G"-type nerve agents, resulting in the production of hydrogen fluoride, which is used commercially to etch and frost glass. The sensor detects the presence of hydrogen fluoride through a silicon interferometer-a st......ed result," she reports. "The tri-metallic complex breaks down into a one ruthenium, rhodium complex and a separate ruthenium." Bullock explains that without the water, the chlorides are not solubilized and the added electrons make the Rh unstable, so the tri-metals break up. "This is the first system ...Drug treatment interruptions boost immune response to HIV in Patients
...While many patients would benefit from occasional breaks from drug therapy and its side effects, we are pursuing whether short interruptions in therapy can also act to instruct the immune system to control the virus, perhaps to a point where treatment will not need to be reinitiated," says Luis J. Mo...Researchers discover major diabetes susceptibility gene
...und in fruit flies, in the gene for an enzyme that breaks down alcohol. More recently a human intron variant has been discovered that is associated with decreased bone density. Susceptibility to diabetes, however, turns out to be still more complex. In confirming the role of SNP-43, the researchers subs...Plant and animal bacteria share cell-killing mechanism
...e critical cellular signaling pathways. When YopJ breaks the bond between ubiquitin and its target molecule, the pathway is blocked and cell communication shuts down. "We still don't know YopJ's target molecule, but at least now we know it must be a member of the ubiquitin protein family," Orth says. Id...Researchers expand dating of marine animals to brachiopods
...ization/epimerization rates, or the way amino acid breaks down after an organism dies, Carroll and her assoc...alloisoleucine, the material to which L-isoleucine breaks down after the death of the brachiopod. This determines the age of the shell. Their preliminary resu...2000 FALL MEETING: updated press conferences, press registration, and other information
...rch, sponsored by the National Science Foundation, breaks new ground at the intersection of science, technology and business. Panelists: Brian J. Anderson, Johns Hopkins University Applied Physics Laboratory, Laurel Maryland; Colin L. Waters, University of Newcastle, New South Wales, Australia; Robert M. ......d "penalties," both for out-of-place genes and for breaks between segments. The computer was directed to min...ther things, the computer often introduced too few breaks where a small part of one sequence appeared in the middle of another. So, Goldberg added a procedu...