Electron Accelerator Provides Unique Proof Of Gene Repair Process In Living Cells
...n damaged by cancer-causing chemicals, ultraviolet radiation or free radicals, which are byproducts of several cellular processes," said UW Medical School assistant professor of medical genetics John Petrini. "But our cells are equipped with a system that constantly monitors and repairs the damaged DNA." Petri...A Cup Of Tea May Protect Against Skin Cancer
...skin cancer during their lifetime. Ultraviolet radiation is present in the sun's rays throughout the year. The level of UV varies from day to day, and even on a clear day in September or April it is strong enough to burn your skin. Tea is a rich source of special antioxidants called flavonoids, consi...Reports Mesh To Clarify Proteins' Importance For Cancer
...damagethrough exposure to environmental chemicals, radiation and the naturalbyproducts of normal cellular processes. Cells constantly monitor thechromosomes, activating DNA repair systems to fix the damage once it's detected. DNA repair systems are also responsible for regulating DNA recombination, aprocess du...Increasing Threat Of Extinction For Amphibians? Scientists To Seek Answers At NSF Workshop
...es, metalliccontaminants, acid precipitation, UV-B radiation and increased temperatures. These issues and some of the latest research on amphibians will be the subjectof the NSF workshop. Experts from leading institutions in this field of biologywill attempt to answer the question of whether there's any hop...DFG To Fund Six New Research Units
...sitive particle detectors. As yet, electromagnetic radiation in the sub-millimetre wave range has hardly been used intechnology. High-frequency engineers and semi-conductor technologists from Hamburg,Erlangen and Darmstadt will get together in the supraregional research unit on Submillimetre wave circuit engin...Major Risk Factor For Cervical Cancer Found
...m things which can damage themsuch as ultra violet radiation or certain chemicals. If p53 goes wrong then ace...occur in these patients are linked to ultra-violet radiation and HPV infectionand appear five to 10 years after the transplant. The study showed that the Arg va...Tiny Jamaican Tree Crab Made Big And Fast Evolutionary Leap, Scientists Discover
...apid adaptation to a new ecologicalniche and rapid radiation of new species is not common in nature, but itapparently has occurred much more quickly than we had thought possible in theseJamaican terrestrial crabs." This research was sponsored by the German Science Foundation and the U. S.National Science Fou...New Biomaterial Has 'Star' Power
...tes for cells or antibodies." Keys used gamma radiation to coax the star polymers into forming a gel, which is a new method of gel preparation. Her methods give the gels superior mechanical stability while maintaining a large number of active groups on the arms, Peppas says. Keys' research is funded ...Genetic Screening May Be Tool For Selecting Cancer Treatment, Research Suggests
...er gene BRCA2 appear tobe especially vulnerable to radiation and certain chemotherapy drugs,researchers at the ...archers found. An increased sensitivity to radiation was also found in animal studies.The researchers induced tumors by injecting pancreatic cancer cells...Evidence From Old Tumors Foretells Which New Breast Cancer Patients Will RequireAdditional Treatment
...rst author Ruth Heimann, M.D., Ph.D., professor of radiation and cellularoncology at the University of Chicago....ch patient, to separate thosewho will benefit from radiation and chemotherapy after surgery from those whodon't need it." "Our inability to make that distinctio...Minuscule Ocean Plants Help Stabilize Earth's Atmosphere, Climate
...blown dust, nutrient discharges from rivers, solar radiation levels andother factors, their paper added. Buried phytoplankton remains from past eons also created part of thefossil fuel that now drives the industrialized world. And, ironically, the extracarbon dioxide generated by burning those fuels, i...Combining Angiostatin With Radiation Enhances Anti-Cancer Effects Of Each
...sthe formation of new blood vessels -- to standard radiation therapy dramaticallyimproves the response to cance...with very large tumors. "Our finding suggests that radiation therapy, already a standard of cancer care,could be dramatically improved by simultaneous administra...Space radiation is bad for your health. Everyone has known that si...nar soil to protect a manned expedition from space radiation and meteors. But how much is enough? And what do you use for protection on the way out and back? ...NASA Funds New Origin Of Life Center at Rensselaer Polytechnic Institute
...ountry in areas of research such as plant biology, radiation health,bioregenerative life, and integrated physiology. A second NSCORT on the originof life already exists on the West Coast in a cooperative effort betweenscientists at the University of California at San Diego, the Salk Institute, andthe Scripps R...United States And Ukrainian Governments Establish Permanent Chernobyl Laboratory
...ing proactive inlearning as much as possible about radiation and its effects on the environmentand humans. He s...whether we like it or not. Chesser notes that the radiation from the explosionat the nuclear reactor was dispersed all over the world and affected people inmany...University of Kentucky Neuroscientist Develops Unique Device For Treatment Of Brain Tumors
...e year, despite aggressive treatment with surgery, radiation therapy andintravenous chemotherapy, Patchell said...e gliomas. Patients in thistrial already have had radiation therapy, and may have received othertreatments, including chemotherapy. The early results ar......d fortranscription-coupled repair of both ionizing radiation and hydrogenperoxide-induced damage, but not ultraviolet light damage," Gowen said. "Thatmeans it is needed to repair oxidative DNA damage when this damage occurs inactive genes." Scientists discovered the BRCA1 gene by studying genetic mater...Gene Therapy Showing Promise In Fighting Melanoma
...cancer with fewer side effectsthan chemotherapy or radiation therapy. This study is unique, Hogge said,because the gene therapy can produce a broad range of immune responses againstsurviving tumor cells in the patient. "This is a way to trick the immune system and get the body to fight the tumor,"Hogge said. M...Combination Therapy For Brain Tumors Holds Promise For Longer Survival After Surgery
...n the past twodecades. Right now, surgeons rely on radiation therapy after removal of thetumor to mop up micros....Brain tumors, however, are extremely resistant to radiation treatment.Researchers at the University of Pennsylvania Medical Center have now founda way to make b...... and development of space environment. Ionizing radiation actually has two components, photons - ultraviolet... blasted out from supernovas. "Ionizing" means the radiation can energize atoms and molecules to break existing chemical bonds and form new ones. If it hits the ...