Tag: "colleagues" at biology news
Plant-Based Therapies Examined For Colon Cancer Prevention
...han NSAIDs." In the study, Shiff and his colleagues
will compare three plant-derivedcompounds, curcumin, rutin and quercetin, to the NSAID sulindac. The study willdetermine whether these naturally occuring chemicals, all potent antioxidantsand antiinflammatories, can affect cells in a similar manner ...
New Mechanism To Explain Carbon Monoxide Poisoning Identified
...action of Deadly Gases Now, Thom and Penn colleagues
Harry Ischiropoulos, PhD, ResearchAssistant Professor of Biochemistry and Biophysics, and Y. Anne Xu, ResearchSpecialist in Environmental Medicine, have identified a mechanism that providesan alternate explanation for CO toxicity. "We found that car...
Bowman Gray Scientists Find Novel Way To Block AIDS Virus
....D., assistant professor of cancerbiology, and his colleagues
at Bowman Gray School of Medicine, describes how a...ave therapeuticimplications." Chen and his colleagues
set out to mimic the natural resistance of thegenetically defective individuals. They designed a nov...
Scientists Find New Trigger For Nerve Cell Death
... have suffered a stroke. Meanwhile, Yu and colleagues
have found that TEA or elevated levels ofextracellular potassium protect cultured neurons from beta-amyloid peptide, asubstance that may kill brain cells in Alzheimer's disease. Again, these effectsoccur even in the presence of a calcium channel bloc...
Further Proof That An Altered Rb-2/p130 Gene Leads To Lung Cancer
...egree of metastasis," he said. Giordano and his colleagues
at Jefferson and at the Second University of Naples report their findings in the October issue of Clinical Cancer Research .. The researchers monitored the expression of the Rb2 gene, which is a normal gene and is expressed in all ti...
Long-Term Vitamin C Use Cuts Cataract Risk In Older Women
...on Aging at Tufts University, Boston, along with 7 colleagues
from Tufts andHarvard University, showed that use of vitamin C supplements for more than 10 years wasassociated with a 77% lower prevalence of early lens opacities and a 83% lower prevalence ofmoderate lens opacities in a group of women whose average...
Disease Takes Its Toll On Waterfowl Populations
...breaks and reduce mortality." Dr. Rocke and her colleagues
have made significant progress in determining the conditions that are associated with avian botulism outbreaks. The organism is widely distributed in wetland sediments and factors such as acidity (pH), salinity, and temperature apparently play major...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...ologists at Ohio State University (OSU), and their colleagues
will resuscitate microorganisms from ice cores kep...ts? The University of Rochester's Ariel Anbar and colleagues
will study whether stable isotopes of key metabolic metals fractionate -- and leave their "John Hanc...
Synthetic Vitamin E And Natural Vitamin E Are Equally Powerful Antioxidents
...controlled study of 79 healthy patients, Jialaland colleagues
tested doses of 100, 200, 400, and 800 IUs of natural andsynthetic vitamin E for eight weeks. There was significantly less oxidation of LDL in the groups thatreceived 400 or 800 IUs of natural or synthetic vitamin E. There was nosignificant ...
Oral Vaccine Protects Infants From Severe Rotavirus Diarrhea
... years ago by Australianinvestigators. He and his colleagues
in NIAID's LID developed and patented thevaccine, which, with assistance from many outsidecollaborators, has been tested in nearly 18,000 people in the United States andabroad. "The development of the quadrivalent rotavirus vaccine evaluated in the ...
Growth Factor Stimulation Leads To Increase In New Neurons In The Striatum And Cortex Of The Brain
...ly in a number ofneurological diseases. Luskin and colleagues
have shown that the neurons arisingin the SVZa, for example, manufacture the neurotransmitter gamma-aminobutyricacid (or GABA) and tyrosine hydroxylase (TH), a key enzyme used during thesynthesis of dopamine. Cells that use these neurotransmitters in...
Triglyceride Blood Levels Predict Heart Attack
...to be paid to fasting triglycerides." Gaziano and colleagues
compared triglyceride and cholesterol levels in 340heart attack survivors and an equal number of healthy individuals. Hightriglyceride levels were strongly associated with heart attack risk. Bycombining the triglyceride level measurement with the c...
New Materials Remove Corrosive Gas In Coal-Gasification Process
... from the hot coalgas must be found." Cal and his colleagues
-- environmental engineering professor Mark Rood,S... inexpensive." In their recent study, Cal and his colleagues
developed a number of carbon-basedsorbents and tested the ability of each sorbent to remove hydrogen...
Study Shows Hereditary Legacy Of Radiation Exposure
...and cause health effects. Now Lynn Wiley and her colleagues
at the University of California, Davis, and <A... DNA of the sperm." The method that Wiley and her colleagues
used is much more sensitivethan those used in conventional mouse studies, which use hundreds of thou...
Jefferson Scientists Develop Botulism Vaccine
... developing world. Dr. Simpson and his colleagues
are now constructing the genes that will encode the carrier-vaccine molecules. They will test the ability of the molecules to act as oral vaccines in the laboratory. If the work is successful, the next step will be to conduct human trials...
Presence Of Protein Extends Life; Potential Aging Mechanism Found
...at aging mechanism. In the study, Marc Tatar and colleagues
from the University of Minnesotaexposed fly strain...s controlling their threshold levels." Tartar and colleagues
say the findings are a stepping stone to studies aimedat discovering which proteins are the exact ta...
Crop Devastation To Be Discussed At National Head Blight Forum
...ionaljournal of applied plant pathology, Jones and colleagues
MarciaMcMullen, North Dakota State University, and Dale Gallenberg,South Dakota State University, detail the specifics of the scabepidemics and world-wide cooperative efforts to develop effectivemanagement techniques for limiting disease losses and m...
First Selenium-Based Orally-Active Antihypertensive May Lead To New Family Of Therapeutic Agents
...giaInstitute of Technology , in collaboration with colleagues
at <AHREF="http://www.mercer.edu/">Mercer University , have developed whatare believed to be the first orally active selenium-basedantihypertensive compounds. Beyond their potential value in treating high blood pressure, thephenylaminoalkyl ...
Stress Lowers Sperm Count By Overwhelming Cells That Make Testosterone
..., via theLeydig cells, the report by Hardy and his colleagues
is the lead article in theDecember Endocrinology a... activity changes in response to stress.He and his colleagues
found that dominant rats living in stressful conditions,which produce higher levels of testosterone,...
Reanalysis Of International Data Finds Sharp Decline In Sperm Density
...variables as well as geographic area, Swan and her colleagues
reanalyzed thedata from 56 of the studies cited in the 1992 paper. The investigators excludedthree non-English language studies and two others that included men who hadconceived only after an infertility workup. While the results of their analy...
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