Duke Researchers Show "Editing" Can Fix Faulty Genes In New Approach To Gene Therapy
... atool to recognize defective mRNA and splice in a corrected version. To accomplishthis, he turned to the first...ch of RNA near the genetic defect andsplice in the corrected sequence, which Sullenger had produced artificiallyand attached to the ribozyme tail. When he introd..."Genes, Vitamins, Homocyst(e)ine And Cardiovascular Diseases"
... that elevated levels ofhomocyst(e)ine are usually corrected with vitamin supplementation. However, itis not known whether adequate diet, diet fortification or vitaminsupplementation may prevent or beneficially affect the evolution ofatherosclerotic diseases. The National Institutes of Health is su...Novel Method Of Gene Replacement Reported By University Of Washington Researchers
...oklet with an error in it,you'd want to insert the corrected instruction in the right place on the rightpage." The UW researchers' method guarantees that the new gene is controlled byappropriate genetic circuitry, ensuring that it is switched on in the rightcells, at the right time and at the right do...Study Finds Russian Women, Children Not Getting Enough Iron In Their Diets
...rm of iron in meats," Martin Kohlmeier said. "When corrected forintake of enhancers and inhibitors of iron absorption, the estimated absorbableiron was less than .5 milligrams a day. Consumption of inhibitors in grainproducts, tea and other foods results in up to 58 percent loss of otherwiseavailable iron." ...UCSF Researchers Identify Mutations In Gene Causing Hereditary Form Of Childhood Rickets
...elop rickets, or deformed bones. The condition is corrected by treatment with a synthetic form of the active vitamin D hormone. The researchers carried out their study by examining samples of DNA collectedfrom 20 patients in 18 different families from around the world. Theyidentified nine mutations in the ge...Molecular "Fossils" Of Early Life
...hat can snip out flawedgene segments and splice in corrected versions -- a method that has potentialfor treating diseases ranging from cystic fibrosis to muscular dystrophy andsickle cell anemia. Because DNA lends itself well to test-tube evolution techniques, it canbe synthesized readily in the labora...Duke Researchers Call Gene Therapy A Promising Strategy For Sickle Cell Anemia
...tes new working copies of the globin protein. This corrected gene is alsodesigned to make a fetal form of the g...lls. They added ribozyme molecules thatcarried the corrected fetal globin genetic sequence into the cells usingslippery, fatty spheres called liposomes. Once ins...Secrets Of The S.O.S Repair Service
... as ultraviolet radiation. This damage is normally corrected with the help of special proteins known as repair enzymes. Sometimes, however, these enzymes fail to do their job. Time to call the emergency repairmen. For more than 20 years, scientists have known that apart from the regular repair enzymes, DNA ha...Jefferson Scientists Use Gene Repair Technique To Change Albino Mice Cells To Black
...phia and postdoctoral fellow VitaliAlexeev, Ph.D., corrected a single alteration in the gene that controls skincolor in albino mice cells. The alteration, known as a 'point mutation,' was inthe gene for a key enzyme, tyrosinase. Tyrosinase is involved in making melaninand in pigmentation. By correcting the alt...Successful Hemophilia B Gene Therapy In Dogs May Justify Human Experiments
...in of North Carolina hemophiliac dogsinjected with corrected genes produced the blood clotting protein known as...d a dose response, Nichols said. That is, the more corrected gene theyreceived, the more strongly their bodies responded. They tolerated the treatmentand replace...Farmers Can Afford To Clean Up Gulf Of Mexico, Analysis Shows
...sed seas, scientists think that the problem can be corrected Only a small portion of the nitrogen coming down the Mississippi is from sewage treatment plants and factories. The bulk of it is non-point nitrogen. That means it is not from a specific pipe or source, but is nitrogen that comes off the land or...Common Prostate Cancer: A Different Process Altogether?
...commonest cancers in men hasthe potential of being corrected without using typical gene therapy." In their work, the scientists used molecular probes to highlight andcompare the gene activity in cancer patients' normal prostate tissue with thatof their tumors. The investigators found clear evidence that a gen...Study: Microgravity May Enhance Gene Transfer In Plants
.... On future missions, Bula says the problem can be corrected in part byusing less bacteria than is needed on earth. Why are genes behaving differently in space? Bula says cell materials do notsettle out in microgravity, which allows more freedom of movement. With aminimum of physical factors to limit the mob......bject, they measured traits such as weight, weight corrected for height (bodymass index or BMI), waist and hip girth and determined the presence of 825T. Individuals possessing only the 825T variant of GNB3 had significantly higherBMI, waist and hip girth, indicating that this variant does associate withgreate...Jefferson scientists use gene repair technique to change albino mice hairs to black
...m of scientists at the University of Pennsylvania, corrected a single alteration in the gene that controls skin color in albino mice cells. The scientists, in what they dub "localized gene therapy," delivered a small oligonucleotide - DNA interspersed with small amounts of RNA - to the melanocytes, o...Researchers develop new technique for identifying remaining unknown human genes
...ves closer to completion. "We have identified and corrected a fundamental flaw in the current genomewide gene studies," note the authors in the April 11 issue of the Proceedings of the National Academy of Sciences. The technique they developed "provides a much higher degree of novel gene identification than ...Updated study shows baseline annual diet costs less for women than men
...e the minimal annual cost is $535.27. The data are corrected to 1998 prices and current recommended dietary allowances (RDAs) and food nutritional content. Stigler's Diet Problem is a classic example of a linear program, a mathematical technique used by operations researchers to determine the optimal way of ac...Study shows receptor molecule facilitates introduction of corrected genes into cells
...ct gene therapy face a major obstacle in inserting corrected genes into cell nuclei where they can direct production of healthy proteins that the defective cellular machinery cannot make. In the past, scientists have used weakened viruses as vectors to carry working genes into cells, but so far the body's sop...Wisconsin lake study shows persistence of acid rain effects
...ecades, found that while the chemistry of the lake corrected itself naturally - and fairly quickly -- the biological changes took much longer to bounce back. This year, the northern Wisconsin lake came full circle, returning to its natural condition after its pH levels were dramatically altered beginning in ...Obese do not process vitamin D from sunlight as well as lean individuals
...iving rise to a relative deficiency which could be corrected with oral administration of extra vitamin D. The study was conducted during the winter months using two groups of 19 healthy white subjects, one lean and one obese. All were exposed to whole-body irradiation in a phototherapy unit (tanning bed), and...