Transplanted neural stem cells migrate throughout the abnormal brain, reduce disease symptoms
...w sense that an oligodendrocyte-produced factor is missing in themutant mice and attempt to compensate for th...ound that neural stem cells transplanted into mice missing aparticular type of neuron tended to form that neural cell type more frequentlythan expected. If co...Procedure, new apparatus may allow relief from incontinence
...life around the location of thenearest restroom or missing out on a nightly walk or tennis match due to thechance of an embarrassing accident. "Incontinence is more common than most people realize," said Dr. SharonGregorcyk, a colorectal surgeon and assistant professor of surgery at UTSouthwestern Medical Ce......to endotoxin reported that they identified thatthe missing gene in these mice was the TLR4 gene, further supporting theconcept that Toll-like receptors and TLR4 are essential for endotoxinsignaling in cells. "Still, until now, there were no data showing whether these Toll-likereceptors (TLR2 or TLR4) were in...Cystic fibrosis gene undetected in screening of infertile men
... the vas deferens(CUAVD) where one of the tubes is missing and the other is obstructed; andidiopathic, or unknown, obstruction of the epididymis, the tube outside of thetestes where sperm are stored and mature. The panel failed to identify 46 per cent of detectable CFTR mutations in theCBAVD group, 50 per ce...Target for cystic fibrosis drugs found
...ng. They also made a25-amino acid version that was missing the same amino acid CF patientslack. That way, they could bypass the unwieldy 1,500-amino acid structureand focus on the smaller fragments. It was like turning a 1,500-piecepuzzle into a 25-piece puzzle. Next, colleagues Michael Massiah, Ph.D., and A...Vitamin C levels linked to amount of lead in blood
...ted histories of lead poisoning, orquestionable or missing information, the researchers used statistical methods tocalculate their findings. In all, data from more than 19,500 Americans wereanalyzed. Co-author of the study is Esther S. Hudes, PhD, MPH, UCSF senior statistician inthe department of epidemiolo...Fathers pass infertility to sons
...ertility,said Page. "We really don't know why this missing piece of the Y chromosomeleads to spermatogenic failure, but we are learning more and more about themissing genes," he said....Hopkins study shows new target for boosting the immune system to improve cancer vaccines
...ncer. "Activation of the APC has been thecritical missing link in this cascade," says lead author, Eduardo Sotomayor,M.D., a fellow of the Lymphoma Research Foundation of America. "Our method of activation, which targets CD-40 proteins on the APC, maynow be used to provide a stimulant that enhanc...Human Genome Sciences announces the discovery of a novel immune stimulant
...gh risk for infection. BLyS may be a long sought missing link in the body's ability to protect itselffrom i...roughputsystems, resulted in the discovery of this missing component of the immunesystem. I view this success as validation of a new and fundamentally differe...Sensible health warnings to stay out of sun may also be denying some people the benefits it provides
... not at high risk of suffering skin cancer, may be missing out on the health benefits of the sun, say the team, but they warn this observation shouldn't signal a rush for the sun loungers. Dr Andrew Ness and colleagues explain that as well as being a major factor in malignant melanomas, sunlight also provide...Duke scientists reverse a rare form of muscular dystrophy in mice using gene therapy
...two avenues to treating the disease: replacing the missing GAA enzyme andreplacing the faulty gene. The first method uses cells grown in the laboratorythat secrete a special form of GAA that, when injected intravenously, is easilytaken up by muscle cells and processed to a useful form. Chen and his colleague......99 issue of Cell , led to the hypothesis that the missing orexinsomehow alters the mouse’s sleep/wake cycle and causes a condition similarto narcolepsy. In humans, signs of narcolepsy usually begin during a person'steens or early 20s. With little or no warning -- while driving a car, perhaps,or intervi...Scientists image key steps in bacterial infection
...linstead of one that would fall apart because of a missing piece. In otherimmunoglobulin folds, the seventh strand protects a water-repelling region thatdoes not like to be exposed to the aqueous cell environment. The researchers call the chaperone's action "donor strand complementation" -- theability to len...Images of enzyme suggest way to improve DNA sequencing
... at position 660, the resulting sequence often has missing letters. Butthe enzyme without arginine at 660 made copies in which every dideoxynucleotidewas detectable, so the sequence had no gaps. The modified enzyme has aspartate,leucine, serine, tyrosine or phenylalanine at this critical position. "So it is ...Pinpoint targeting promises improved success in gene therapy for blood and other disorders
...lly usesa promoter that targets a protein that was missing or defective inmegakaryocytes and not in other cell types," Wilcox said. Conceivably, allsorts of healthy replacement genes or even drugs could be attached to identicalor similar promoters and function as well as they did in platelets but withoutaf...Social behavior transformed with one new gene
...ned on. In this same region, thereceptor gene was missing this insert in montane and meadow voles, which arepromiscuous and frequently live in isolation. To determine if this sequence difference was important for thedistribution of vasopressin receptors in the brain, the Emory team incorporatedthe p...NRC discovery allows scientists to watch the ultrafast processes of the microworld
...re recorded of the atomic motion only, we would be missing the criticalelement of how the electrons are rearranging at the same time. According to Dr. Albert Stolow, the project leader, there is a world wide effortin the development of increasingly smaller devices for information andtelecommunications techno...Fragment of AIDS virus may be used to deliver therapeutic proteins to cells
...ancers. "There are already knockout mice that are missing genes for p16 and RB, andwe know these mice are predisposed to develop early cancers," he said. "But nowwe can transduce those tumor suppressor proteins back into mice and thenwithdraw the proteins at various times to find out when they are reallycri...Cancer gene is normally a 'carpenter' in the cell
...ot know the normal function of c-Abl, we have been missing a criticalpart of the picture of how the cancer-causing forms take over the cell'smachinery. "If we knew how c-Abl functioned normally, we would know moreprecisely how the oncogenic forms alter cell function." Lead author on the Genes & Deve...Wake Forest scientists clone gene for inherited kidney stone disease
...cted because ofexcessive oxalate in the urine. The missing enzyme is hydroxypyruvatereducatase, and it is the...hatare lacking a functioning gene, so they will be missing the hydroxypyruvatereductase enzyme. Cramer said, "We will use the mice as a model to test ...