Tag: "earlier" at biology news
Growth Factors Shown To Increase Vitamin C In The Immune System
...ose. This discovery just happened to coincide with earlier
researchin his laboratory led by Dr. Juan Carlos Vera establishing that specificglucose transporter molecules were responsible for transporting vitaminC into cells. Coupling the findings from these two lines of research, Drs. Vera, Goldeand their col...
Excavations In Prehistoric Chinese Cave Uncover Unusual Collections Of Large Mammals
...ell before theappearance of modern humans and much earlier
in the Homo line. The 1998 research in southern China is supported by theNational Science Foundation. Previous expeditions to Dadong took place in 1995 and 1996....
New Test Opens Window On Corrosive Free-Radical Activity In Individuals
... both simpler and more sensitive than onedeveloped earlier
by the same group. Taken together, the two assays ...ranesthroughout the body. The marker identified in earlier
studies by FitzGerald'steam, also an isoprostane, is called 8-epi-PGF2alpha. In several of t...
Tiny Worm Reveals Workings Of Suspected Tumor Protein
...f cellsformed in the embryo. His finding validates earlier
cell culture experiments onhow viral cancer-causin... because of his interest in viraloncogenesis. From earlier
work, he knew that the adenovirus oncoprotein E1Adisables the host protein p300. This interaction is...
Fruits And Vegetables Protect Lungs
.... Knowing the biology of COPD and following up on earlier
reports, Cassano and Hu hypothesized that antioxidants also might protect lung function. Their study is the first to report the effects of beta carotene and selenium on lung function, and the first and largest study to look at both the individual and...
Antioxidants May Reduce Harmful Complications Of Diabetes
... is notyet clear, these findings confirm in humans earlier
animal studies of thechemicals' role in damage in diabetes, Opara said. Previous Duke studies byOpara have shown that vitamin E can delay the development of diabetes in obeserats with Type II diabetes, and that the depletion of the antioxidantglutat...
New Species Of Winged Dinasaur Named For Yale Professor
... him to revive theconcept first proposed 100 years earlier
that birds are the evolutionarydescendants of dinosaurs. Ostrom, author of the much-debated theory that some dinosaurs werewarm-blooded, is professor emeritus of geology and geophysics, editor of theAmerican Journal of Science, and curator em...
Infant Dependency Drives Menopause, NSF-Supported Researcher Reports
... than otherspecies, we'd expect menopause to occur earlier
in life." The theory predicts that reproductive decline will begin once themother's life expectancy drops below the time required to raise additionaloffspring. For example, if women in pre-technological societies could expect tolive 50 years...
Earlier Human Speech?
...g that human vocal abilitiesmay have appeared much earlier
in time than is suggested by the firstarchaeologic...t.Those scientists concluded that Neanderthals and earlier
hominids may not havehad the ability to produce the full range of sounds that humans produce. ...
UCSF Researchers Identify Mutations In Gene Causing Hereditary Form Of Childhood Rickets
...agnoses made of the condition,which will allow for earlier
treatment," said Walter Miller, MD, UCSF professorof pediatrics and senior author of the study. "And being able to genetically diagnose adults as carriers of the mutated gene,"he said, "will enable us to alert parents to the possibility that their fu...
Social Stress Shortens Lives Of Monkeys With AIDS
...t had been separated from familiar companions died earlier
than those that had not. Intrigued, Capitanio began a prospective study to examine the physical effects of social stress in monkeys with SIV. Working with him were Lerche and UC Davis psychologists Sally Mendoza and William Mason. Eighteen healthy, ...
Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...he Cretaceous eraabout 100 million years ago--much earlier
than some previous estimates based onfossil studie... of a fossilized animal hadto have evolved at some earlier
date before its lifetime--in many cases, it wasmany generations and many millions of years earlier. ...
Ulcer-Causing Bacteria Also May Be Associated With Heart Disease
... publication of the research. Several earlier
studies suggest an association, but others suggestnone. Ridker points out that people with poor access to medical care are morelikely to develop infections that are not treated promptly and also more likelyto suffer from heart disease. The two may ...
New Machine Slashes Time, Cost To Make Unique Lenses
...first machineto fully automate asphere production; earlier
machines couldn'tmuster the precision needed to shape aspherical lenses. It's alsothe first to successfully tackle the final round of smoothing,typically done by hand." The machining system, designed by a consortium consisting ofCOM, Moore, Byel...
Study Of Sulfides In Bacteria Casts Doubts On Evidence Of Life In Martian Meteorite ALH84001
...esent. The team's research finding contradicts an earlier
study that found pyrite and pyrrhotite present in thebacteria. As no subsequent study has been able to duplicate this result, the current team posits that earlierresearchers may have confused cubic iron sulfide with these minerals, which give similar...
Cholesterol Lowering Drugs Stall Disease Progression In People With Below-Average Blood Cholesterol Level
...). LIPID ended last summer after six years, a year earlier
than planned, when itwas found pravastatin lowered the risk of death without causing harm topatients. MacMahon and his colleagues undertook the smaller study, known as theLIPID Atherosclerosis Substudy, to determine if reducing blood choleste...
Just One Prenatal Visit Decreases Risk Of Preterm Delivery
... study also found that the no care group delivered earlier
(33 weeksvs. 37.2 weeks), their babies had a longer length of stay in the neonatalintensive care unit (15.6 days vs. 3.1 days), and their babies had a loweraverage birth weight (2,172 grams vs. 2,786 grams). The study's other authors were Car...
Northwestern Researchers Develop Rapid Diagnostic Test To Detect
... "Detection of the infection nearly two days earlier
allows isolation andtreatment to begin immediately. In addition, early isolation prevents the VREfrom exchanging their resistance with other bacteria," Stosor said. Gary A. Noskin, M.D., associate professor of medicine, Lance R.Peterson, M.D....
Targeted Genetics Collaborators Report Additional Phase I E1A Gene Therapy Data At American Society of Clinical Oncology Meeting
...hemotherapeutic agents. In Phase I data presented earlier
this year, NaotoUeno, M.D., and colleagues at The University of Texas M.D. Anderson CancerCenter reported that in three of three patients with breast and ovarian cancer treated with E1A a downregulation of HER-2/neu was observed, suggestingthat overe...
Cancer Test May Offer High-Risk Groups Quick, Affordable Screening For Tumors
...ossible to use the testto detect some small tumors earlier
than we ever could before," says Brusilow. If the test's sensitivity is confirmed, Brusilow believes it may bepossible to adapt it for administration through bacterial inhibition assays, aninexpensive technique commonly used to screen newbor...
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