Ulcer-Causing Bacteria Also May Be Associated With Heart Disease
...ALLAS, May 5 -- Infection by a particularly strong strain of bacteria normallyassociated with stomach ulcers could be a contributing factor to heart disease,according to a report in today's Circulation: Journal of the American HeartAssociation. Italian researchers report they have found that the association...Researchers Unable To Document Existence Of Transient HIV Infection In Infants
...e same source. Also,one of the viruses was a known strain used in laboratories." In 20 of the other 41 cases, the researchers could not find the envelopegene -- the outside coating of the virus used to evaluate the relatedness of thegenes -- which suggested that the patients' specimens had become co...New Vancomycin Structure May Point To Path For Overcoming Antibiotic Resistance
...son in theUnited States to die from infection by a strain of bacteria resistant tovancomycin, the powerful antibiotic physicians turn to when others fail. The manwas only the fourth known case in the world of resistant staphylococcus aureusinfection, and government officials are minimizing the danger to pub...Killing Fields: A Bacterial Pesticide May Threaten Human Life
... until the company provides more evidence that its strain of B. cepacia represents no threat to human health...rial spray in Britain. Barry believes the strain of B. cepacia used by Good Bugs, isolated fromsoil, is quite safe. But that doesn't reassure Robert...Scientists Use Gene Therapy To Correct Deafness In Mice
...ouse could hear. Sebastian is a shaker-2 mouse---a strain descended from a mouse exposed toX-rays in 1928. Because of an X-ray-induced mutation on mouse chromosome 11,which has been passed on to later generations, shaker-2 mice are born with innerear defects which cause deafness and balance abnormalities. ...Molecular Key To Heart Failure Development
...ll School ofMedicine, prevented heart failure in a strain of mice genetically engineered todevelop the disease. They were able to do so by blocking an enzyme known to beelevated in failing human hearts. In a report in the June 9 issue of the Proceedings of the National Academyof Sciences, the authors c...EPA And UC Researchers Find Bacteria That Can Destroy Giardia Cysts
...ncinnati have isolated andcharacterized a bacteria strain which can degrade the protozoanparasite Giardia l...ntribute." Rodgers' hunch paid off, and he found a strain which coulddegrade Giardia in a creek that flows into Kentucky'sLicking River. He then took the st...Gene Linked To Glaucoma, Hydrocephalus, And Other Birth Defects
...nd into the bloodstream. Since then, the ch mutant strain has beenkept in the Jackson Laboratory, awaiting f...es are more orless severe depending on the genetic strain of mice," Hogan said. "The mf1 geneis a transcription factor, which means that it acts by switching ...Fauci To Present New Insights Into HIV Latency At 12th World AIDS Conference
...egative effect on HIV replication,depending on the strain of the virus. "The emerging picture of HIV pathogenesisis one of a 'delicate balance' between factors that drive viral replication andthose that inhibit the virus," says Dr. Fauci. When an HIV-infected patient is taking HAART, pro-inflammatory cyt...Researchers Document Transmission Of Protease-Resistant HIV
..., currently in press. The multi-drug resistant HIV strain is believed to have been transmitted fromone person to another through unprotected anal intercourse.Multiple mutations of HIV are required for the virus to become resistant toprotease inhibitors, according to Hecht, and it had been thought that those......ng with a heart to another immunologicallydistinct strain of mice. These altered DCs prolonged the survival of the newheart grafts in mice compared with mice who received donor hearts and DCs thathad not been genetically modified with TGF$1. "In another tissue culture study, the Pittsburgh investig...Gene Discovery Provides Insights Into Epilepsy
.... In research performed on the mutant "stargazer" strain of mice that serves as amodel for absence epilepsy, HHMI investigator Kevin P. Campbell andcollaborators Verity A. Letts and Wayne N. Frankel of The Jackson Laboratoryhave traced the seizures to a mutation in a gene called Cacng2, whichcodes for pa...Feed A Microbe An Unearthly Dish And You Make Your Own Extraterrestrial
... to a major change inits diet. They grew a strain of the bacterium Escherichia coli that can't make theamino acid tryptophan, an essential part of proteins. As a result, it requires aconstant supply of tryptophan to grow. The researchers also gave it a related synthetic amino acid,fluorotry...Common Anti-Viral Medication Prevents Severe Eye Herpes
...ly effective in preventingrecurrences of a serious strain of the eye disease, called stromal keratitis,which can lead to scarring of the cornea with vision loss and blindness. The study found that the rate of recurrence of this blinding form of thedisease dropped 50 percent when patients took 400 milligram...Transplanted Skeletal Muscle Mimics Heart Muscle; Helps Failing Heart Pump, Duke Researchers Say
...er." Yet as any body builder knows, if you strain your biceps pumping ironthey respond by building new muscle. In a deceptively simple idea, Taylordecided to try to recruit the services of individual skeletal muscle cells,called myoblasts, to actually regenerate dead heart muscle. "Our hope...New Evidence Shows How Some Flu Viruses Become Lethal
...icine, studied a virus closely related to the 1918 strain which appeared nearly a decade later in humans. Th...es the virus to that part of the body. But in this strain ofvirus, Goto and Kawaoka found a unique mechanism at work that could lead to morewidespread infecti...Scientists Discover How Influenza Virus Becomes More Deadly
... The scientists studied a virus descended from the strain that caused the 1918pandemic and adapted to grow i...was a unique property of thisparticularly virulent strain of human influenza A virus. "This is a mechanism that we never knew existed in influenza viruses,"...... "We anticipate that our final engineered yeast strain may require only half the time to co-ferment the ...esearch scientist, holds cultures of the new yeast strain (in the petri dish) and a sample of ethanol. (Purdue News Service Photo by David Umberger) Colo...Severe Falciparum Malaria Increases In Honduras
.... Plasmodium vivax is reported to be the infecting strain insome 98% of Honduran malaria cases, the journal said. "However, we recentlydocumented a much higher proportionate increase of falciparum malaria innorthern Honduras." This type of malaria is a much more severe form of thedisease. The authors, Caro...Family Members And Kissing Contacts At Greater Risk Of Meningitis
...ts with meningococcal disease carry the pathogenic strain of Neisseria meningitidis? A population based stud... "close contacts" to eradicate the disease causing strain of bacteria. This means chemoprophylaxis is often given to more contacts than is needed, say the au...