Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action
...e hemoglobin-triotravels down arteries through the heart and into the rest of the body todeliver its load of oxygen. That process has to happen with open vesselsand in a constant pressure. So as the hemoglobin complex inevitably devoursthe free NO gas that endothelial cells produced to dilate the vessel,......ngs could be good news for work ontreating cancer, heart disease, Alzheimer's and Parkinson's disease. With the exception of early fetal cells, all cells appear to have poisonousproteins stashed beneath their membranes. Like spies with cyanide pills underthe skin, cells pack these suicidal enzymes awa...Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...derwater earthquakes as well as tornadoes and even heart EKGs. "Whales are individuals, just like people, and some appear to be more sensitive than others," Frankel said. "Some react to a given vessel and some do not. Likewise, we may expect differences in how the whales respond to the ATOC project."...Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
...ted with NO, including cancer, stroke,hardening of heart arteries, infectious disease, and arthritis. The scientists say that an immediate application from the research maybe a new way to disarm invasive bacteria that have become resistant to antibiotics-- a major problem in the treatment of infec...Salvage Gene Is At The Root Of Many Mutations
... sequences in human DNA. "And mutagenesisis at the heart of cancer, which is thought to occur because mutations permit precancerous cells to overcome the geneticdefenses against unlimited cell proliferation and migration." The Rochester researchers believe the findings could open a major new avenue of...Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease
...ted with NO, including cancer, stroke,hardening of heart arteries, infectious disease, and arthritis. The scientists say that an immediate application from the research maybe a new way to disarm invasive bacteria that have become resistant to antibiotics-- a major problem in the treatment of infec...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
...ally new route to regulating cellactivity to treat heart disease, neurological disorders and other medicalp... molecules insideevery cell in the body, including heart cells and brain cells. These proteinswitches transmit chemical signals from the cell surface into th...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...back systems, but this is in thecontext of not the heart talking to the kidney, not the brain talking tothe heart, but in the context of the immune system talking with the endocrinesystem." Co-authors of the paper were Kelley, Richard A. French and James F. Zacharyof the U. of I. College of Veterinary Med...Discovery Could Help Understand Breast-Cancer Therapies
... cells while still having beneficial effectson the heart and bones. But tamoxifen also has weak estrogen-like activitythat has been linked to cancer of the uterus. It also loses its effectivenessas cancer cells become resistant to it. Benita Katzenellenbogen is now focusing on how the receptors interpret ...Cholesterol Anchor Helps Signaling Proteins Direct Development
... that cholesterol, often villified for its role in heart disease, actually wears a white hat during the earliest stages of life. In this week's Science, Johns Hopkins and Howard Hughes Medical Institute scientists report that hedgehog proteins, an unusual group of proteins that help shape many features of...Animal Studies Indicate Aging Brain Responsive To Estrogen
...udy of what estrogen is doing for thebones and the heart in aging, but not so much about what estrogens are doingfor the brain," Einstein said. The scientists also said they believetheir findings demonstrate the need to take brain effects and the timingof doses into account when considering hormone replace...Florida Company Using ORNL Technology For Revolutionary Wheelchair
...powerwheelchairs; however, ORNL's invention is the heart of the TransRovr. Othersignificant advances include improved seating technology for enhancedergonomics, rapid battery recharging and internal recharging offeringincreased convenience and dramatically reduced down time. The TransRovr's lightweight, th...Pets Provide Physiological Benefits For Women Living Alone
... pressure that can increase the risk of stroke and heart attack. Unfortunately, a growing number wome...er their health. Participants' blood pressure and heart rate were taken at home four times during the six months. A computerized monitor recorded cardiova...Purdue Study Aims To Boost MRI Capabilities
...ork focused on the magnetic field's effects on the heart and other organs. Their work played a role in the introduction of new "fast-scan" MRI systems last year, including the echo planar and hybrid imaging systems. Though these new systems have improved image quality and speed, Bourland says there is room...Enzymes Targeted As Key To Understanding Drug Interactions
... when taken together could produce sometimes fatal heart problems. The U.S. Food and Drug Administration (FDA) has recommended that Seldane be withdrawn from the market. Prevention of drug interactions, say researchers at the University of Washington School of Pharmacy, lies in learning how the human body...Stopping "Cellular Suicide" Could Boost Production In Biotech Labs
...p some cardiac cellsfrom killingthemselves after a heart attack. They may also be able to extendthe life ofartificial organs made from animal tissue. The key is to halt apoptosis, which is often triggered by changesin acell's environment. "It may be a viral infection, the loss of akey nutrient,radiation or...Couch Potatoes, Not French Fries, May Be To Blame For Obesity
... be couch potatoes, not french fries, that are the heart of the problem." There is little doubt that obesity is a burgeoning problem in the United States. Between 1960 and 1991, the number of adults who were overweight increased from 25 percent to 33 percent, according to the U.S. government's 1995 "Third ...Resistance To Leptin Contributes To Obesity
... Americans and is a major risk factor fordiabetes, heart disease, high blood pressure, stroke, sleep apnea,gallstones, some cancers and forms of arthritis, according to the NationalInstitute of Diabetes and Digestive and Kidney Diseases (NIDDK), part ofthe federal government's National Institutes of Health...Study: Device Prevents Epileptic Seizures, Doesn't Damage Hearts
...NC-CH team wasable to show no changes in patients' heart rates, or cardiac cycles. Thatrevealed no impairment of the body's control of heart rate, which could bedangerous. The team will present some of its findings next month at an A......ves? Will we stopeating high-fat foods to ward off heart disease? Or will we worryover every ache and pain? Should we share the knowledge with otherfamily members? Do we really want to know?" In her book, Zallen explains how geneticdisorders are passed along in families, which disorders can betested for, ...