Fertilization Protein Structure To AID in Leukemia Treatment
...gg from the building blocks of DNA. The synthesis reaction requires a specialized protein, known as ADP ribosyl cyclase. It is this protein that has been studied by the researchers at Scripps. By preparing crystals of the protein and scattering x-rays off them, a three-dimensional image has been reconstruc...Duke Study Uses Tiny Temperature Changes To Probe Water-Exclusion At Protein Binding Sites
...hanges should be the same regardless of whetherthe reaction occurred in normal or heavy water. But Toone found that thetemperature changes in the two solutions differed. And that meant that waterplays a major part in driving the reaction. In his new report for the ACS meeting, he will describe what he c...Some Good News In Treating Infection Common To HIV Patients
...tized, 12 were still taking the medication without reaction nearly two years later. Six others had died and one patient had to discontinue because of another illness. Attempts to determine the mechanism of desensitization were unsuccessful. Despite this, Kazanjian says the importance lies in the successful l...Chemists Closing In On Commercial Potential Of Alkanes
... the first detailed pictureof an alkane-activation reaction at room temperature. Alkanes are compounds of ...ght, these organometallics wereshown to generate a reaction that is able to break the carbon-hydrogen bonds inalkanes and insert metal atoms into the mix, creat......ad on thenearly 30 students who have participated, reaction has been positive and he sawa marked improvement in the observational skills of his dermatology residents. "They are taking the time to think more before they make a diagnosis," says Dr.Braverman, who plans to expand the program to include x-rays and...Some Young Children May Grow Out Of Peanut Allergy
...to peanuts early in life seem to grow out of their reaction as they get older, say Dr Jonathan Hourihane et al in this week's BMJ. Based on findings from research conducted at the University of Southampton and South Manchester University Hospitals, the authors stress that children who seem to have a pea...Anti-Migraine Drugs Might Cause More Pain Than Relief For Those With Heart Disease
...ys. The researchers studied the coronary arteries' reaction to several anti-migrainemedications after reports of chest pain and heart attack in some patients givendrugs for migraine headaches. Manufacturers of some of the newer drugs havesuggested their drugs are less likely to cause this type of problem, sh......s a protein, the possibility of a systemicallergic reaction exists.......een-ager, he tried contact lenses, but an allergic reaction made themimpossible to wear. Although Segars, now ...he said. This enthusiasm is typical of the reaction of patients who haveundergone excimer laser surgery, said Dr. H. Dwight Cavanagh, vice chairman ofop...Serious Crime Victims Risk PTSD, Multiple Disorders
...non-victims to suffer currently fromPTSD, a severe reaction to trauma that leaves people emotionally numb and overlyaroused and leads them to reexperience the traumatic event repeatedly. Crimevictims were also more likely to develop depression, agoraphobia, obsessivecompulsive disorder, and social phobia, th...Science Is On The Trail Of Sexual Predators That Dope Women
... bound the metabolite to an enzyme that catalysesa reaction that causes a colour change. For the test, the antibodies are fixed to a solid support and exposed toa urine sample mixed with the enzyme-linked 7-aminoflunitrazepam. Any metabolitepresent in the urine competes with the enzyme-metabolite com...New Theory May Explain Ritalin Action In Hyperactivity
...them down and made them more attentive -- the same reaction to Ritalin seen inhumans with ADHD, Caron said. Conversely, the normal mice became hyperactivewhen given Ritalin or cocaine, just like normal humans. To understand why the drugs had such opposite effects on the two groupsof mice, the researc...MIT Microchip Releases Chemicals On Demand
..., but the anode dissolves due to anelectrochemical reaction between it and the salt solution it is bathed in. (Mr.Santini notes that the team has ideas for future versions of the chip that won'thave to be in solution.) With the anode cap out of the way, the chemical insideis liberated. The researchers have d...... those cellsalmost to a stop, effecting the body's reaction to light and darkness. Theresearch, published in the March 15 issue of The Journal of Neuroscience, opensan entirely new avenue of research towards understanding the molecular basis ofsleep disorders and problems related to natural light cycles, such...Chemists Discover That Aerosol Clusters Play Larger Role In Generation Of Air Pollution
...e harmful pollutant. "This is a brand-new chemical reaction that occurs only inside these clusters,"said Garvey, a fact that he noted hopefully will attract more attention to therole that these clusters play in air pollution. "This is only the tip of the iceberg," said Garvey. "It leads us to believethere m...New Drug For Recurrent Brain Tumors In Tests At UNC
...atients haveshown that nearly half have a positive reaction to the drug. "It's been suggested that the cells over-express the PDGF receptor and theystimulate themselves to grow. It is as if they're pouring gas on their ownfire," Ewend says. "By blocking or inhibiting that receptor, we might inhibitthe cell's ...You Don't Need To Make Sperm Or Even Be Alive To Be A Father
... Gaby Vernoff, whose husband Bruce died from a reaction to a prescriptionmedicine in 1995, gave birth last week to a baby girl in a Los Angeles hospital. About 30 hours after Bruce Vernoff's death, Cappy Rothman of CenturyCity Hospital in Los Angeles extracted sperm from the body at the family'sre...New Way To Make Astronauts Sleep
... sleepingpills, but these can affect alertness and reaction time. So for the past sixyears, NASA has given its astronauts melatonin, a hormone released by the bodyduring darkness that makes us feel sleepy. Charles Czeisler of Harvard Medical School in Boston knew that melatoninpills only seem to imp...Study Suggests Inflammation Signs Can Show Who Will Develop Diabetes
...tached to a series of proteins made bythe liver in reaction to such stress. "A lot more research on this issue needs to be done because we should beable to find other markers to predict diabetes more accurately and to intervenesooner," Schmidt said. "More work also could suggest new ways of preventing...Ordinary Touches Multiply Into Severe Pain For Fibromyalgia Patients
...ists have found an abnormal central nervous system reaction inthose with fibromyalgia: The body magnifies ordinary repetitive stimulationinto an experience of crippling pain. "This is particularly important because it has been unclear if fibromyalgiawas just an imagined illness or a real syndrome," said Dr. R...