Tag: "discovery" at biology news

Scientists ID A Protein With Punch As Infection-Inflammation Fighter

...uman diseases. "It is always a long time from drug discovery and the first understanding of abasic biochemical activity of a substance to the day when human patients benefitfrom such research," they say. That said, the K-State researchers acknowledge,"It is exciting to be involved with a compound like PR-39 th...

Ecological Consequences Of Jasmonate-Induced Responses For Plants In Native Populations

...depending on the plant's habitat. The discovery of the endogenous wound signals which plants use to activate induced responses, have provided researchers with valuable tools to activate defenses independently of herbivore attack in plants growing in their native habitats. Jasmonic acid...

Scientists Excited About Miniature Cooking Pots

...t from the National Science Foundation toapply the discovery to medical diagnostics. "Before this work, no one knew how to make a homogeneousenvironment for getting all the same size and shape ofmaterial," said Young. "This is a huge shift inthinking."...

Scientists Identify New Gene That Controls Sleep/Wake Cycle

...s have madesignificant achievements, including the discovery that DNA is the carrier ofgenetic information and the launching of the scientific field of modern cellbiology. The university has ties to 19 Nobel laureates, including thepresident, Torsten N. Wiesel, M.D., who received the prize in 1981. Theunivers...

Wistar Scientist To Speak At Toxicology Forum On Effects Of Conjugated Linoleic Acid On Preventing And Reversing Atherosclerosis

...egastroenteritis (rotavirus), and cytomegalovirus; discovery of molecules likeinterleukin-12, which are helping the immune system fight bacteria, parasites,viruses and cancer; and location of genes that contribute to the development ofdiseases like breast, lung and prostate cancer. Wistar is a National Cancer...

Yes Virginia, Plants Are Alive!

...o urban children and introducethem to the feast of discovery that is natural science. This kind ofexperiential learning promotes an emotional attachment to the natural world anda greater understanding, awareness, and respect for the environment. Childrenwho interact with nature are more likely to grow up as ...

Frequent Genetic Mutations In Hepatocellular Carcinoma

... have already been described inother cancers, this discovery points to their widespread involvement incarcinoge...h the same mutations in the beta-catenin gene. The discovery of frequent mutations in the beta-catenin gene in hepatocellularcarcinoma raises the possibility of ...

Atmospheric Chemistry -- A Mysterious Isotope Effect In A Well-Known AtmosphericPollutant Discovered

... monoxide (CO) with the hydroxyl radical (OH). The discovery was made in an effort to explain the anomalous excess of the 17Oisotope in atmospheric CO, which has been observed at various air monitoringstations like Spitsbergen and the Canary Islands. The seasonal variation of theexcess 17O signal gave the impo...

Australian Scientists In World-First Cell Discovery

...nt from our colleagues round the world about this discovery because it is the first glimpse of that part of the receptor which binds the hormone. It's been a long time coming." Three years ago a US team clarified the structure of the portion of the receptor that lies inside the cell. The Australians have...

Gene Discovery Provides Insights Into Epilepsy

... basis, whichis at present poorly understood. The discovery of the novel gene, reported in the August 1998 edition of thejournal Nature Genetics, shows that calcium channels are important ininitiating epilepsy. This research will make it possible to discern more aboutrole of calcium channels in the brain, C...

Stargazer Gene Provides New Clues To Calcium Channel Defects In Absence Epilepsy

...ring" as reported in the journal Cell (1996). That discovery wasmade jointly by Dr. Frankel with a research team from the NCI Frederick CancerResearch and Development Center in Maryland. Also reported in Cell (1997), thegroup previously found that the defective gene in the "slow-wave epilepsy" (swe)mouse was a...

Dismantling Dangerous Genetic Codes With A Faster, More Flexible RNA Mimic

...eases, certain cancers and even theHIV virus. The discovery shows great promise for improved viral and cancerc... The technique goes hand-in-handwith the landmark discovery of ribozymes in the 1980s by University of Coloradoresearcher Thomas Cech, Ph.D., and Yale researche...

Studies Rebut Concept That Body Stores Vitamin A-Making Substances

...otene to vitamin A at a ratio similar to humans (a discovery reported earlierthis year in the same journal by Erdmanand colleagues), the new findings are worthy of a closer look, Erdman said. Afollowup study with the same animalmodel begins this month. "We found that stored carotenoids from a previously consu...

Vertex Pharmaceuticals/Yale Research Team Uses Gene Knockout Mice To Establish Role Of Caspase-9 In Neuronal Cell Death Pathway

...aches functional genomics as part of an integrated discovery platform,"said Dr. Joshua Boger, Chairman, Preside...of structure-based drug design,an approach to drug discovery that integrates advanced biology, biophysics andchemistry. The Company is concentrating on the disc...

Newly Identified Molecular Mechanism Could Lead To New Approaches For Preventing Heart Attack, Stroke

...ctivation the response was not totally absent. The discovery of PAR4explained the continued response. "We dete...ribute tothrombin signaling," said Coughlin. The discovery that PAR3 and PAR4 appear to act as a dual-receptor system in miceled the researchers to examine whe...

University Of Washington Scientists Discover A Gene That Causes Deafness And Dizziness In Mice

...ad to immediate treatment, theresearchers hope the discovery will aid in the development of newpharmacological or gene therapies for people with deafness and vertigo. Thedeafwaddler mouse will provide a unique genetic model for testing these newtherapies. Co-authors of the study are Drs. Valerie A. Str...

Rock-Eating Microbes Could Signify Life On Mars

...ea submersible. The scientists hope their discovery opens the doors to further researchof potential living organisms beneath the ocean floor. "For the moment, the problem remains providing even stronger evidence,including gene sequences, that would conclusively prove there are livingorganisms ...

New Evidence Shows How Some Flu Viruses Become Lethal

...ate in a number of different organs. Their discovery concerns proteins on the virus' surface that allow thevirus to attach to target cells. Normally, a viral surface protein called hemagglutinin must be chopped into two parts before the virus can infect a cell.The virus uses an enzyme from the cell it ...

Scientists Discover How Influenza Virus Becomes More Deadly

...ause a pandemic. Though still to be proved, their discovery may explain the longtimemystery of how the virus that caused the 1918 influenza pandemic causedmore than 20 million deaths worldwide. "Their findings point us in a direction to better understand the pathology ofthese more virulent influenza viruses,"...

Penn Researchers Find Mutation In Prostate Cancer Gene

...umor than men who did not carrythe mutation. "This discovery has opened up a number of possibilities forfurther studies. We're getting closer to answering the questionof why one person developed the disease instead of another?"says S. Bruce Malkowicz, MD, associate professor of urology andco-collaborator on t...

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