Tag: "host" at biology news

Second Breast Cancer Gene Located

... deal with BRCA1 and BRCA2, Futreal,Stratton and a host of other researchers will be trying to answer the manyremaining questions about hereditary breast cancers. "Is there a BRCA3?" Futreal asked. "There is a group offamilies that cannot be attributed to either BRCA1 or BRCA2. Now we needto di...

Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report

...inwhich an excess of oxygen in cells can lead to a host of diseases, as wellas the cumulative damage we call aging," Stamler said. "NO hasa similar deleterious function, which we call nitrosative stress. When acell can't contain the flow of SNO, the nitrosative stress can well be theorizedto contribute to...

New Ultrasensitive Technique For Accurately Characterizing Biomolecules Is Developed By Cornell Chemists

...tify." The technique may be useful for examining a host of human medical disorders, the researchers said. "This is an excellent tool for looking at an isolated biological system at the cellular level, like a single nerve synapse," McLafferty said. "Or say your microscopic examination shows suspicious red...

Nitric Oxide Found To Control Cells By Turning On Genes; Suggests New Role In Health And Disease

...inwhich an excess of oxygen in cells can lead to a host of diseases, as wellas the cumulative damage we call aging," Stamler said. "NO hasa similar deleterious function, which we call nitrosative stress. When acell can't contain the flow of SNO, the nitrosative stress can well be theorizedto contribute to...

Major Plant Genome Research Project Underway

...e will enable us to use biotechnology to develop a host of new plant varieties for agriculture and other purposes. This research is like exploring a continent for the first time; each step leads on to several others, with tremendous possibilities. We're going to see productive results for years to come....

Scientists Identify Retrovirus-Like Components In Corn Genome

... as they're sometimes called, can hitchhike on the host DNA replication system because higher organisms ap...reby survive into the next generation, even if the host doesn't want them." Because this type of DNA is present and highly repeated in many species, Bennetz...

Researchers Find How Disease-resistant Plants Recognize Bacteria

...all, but by introducing proteins directly into the host cell's cytoplasm. Scientists have given this method of infection the name "type III secretion pathway." Researchers found evidence that indicated that the type III secretion pathway also operated in plants, and Martin recognized that this pathway wou...

Laser Microscope At Cornell Images Serotonin In Live Cells

...portant as medical science learns of its role in a host of human disorders. It has been implicated in cen...esearchers in designing more effective drugs for a host of disorders. Previous efforts to image neurotransmitter secretory granules have not directly detect...

University Of Washington Discovery May Point The Way To New Treatment For Hepatitis C Cases That Do Not Respond To Interferon Therapy

... -- hepatitis, influenza, herpes, HIV, polio and a host of others -- have evolved mechanisms to resist the effects of interferon, one of the body's first lines of defense against viruses," said Dr. Michael Gale, Jr., UW microbiology fellow who is lead scientist and first author of the study. The drug inte...

Duke researchers find existing drugs can stop fungus that attacks AIDS patients

...pressed immune systems, the organism can evade the host defense and infectthe brain. Between 6 percent and 10 percent of AIDS patients develop this life-threateninginfection, the researchers said. In about 40 percent of these patients,it is the first infection they develop when their infection progr...

Two Parasitic Wasps Show Promise For Controlling Pest Flies

...a host, in thiscase within a fly pupa, killing the host from within. The egg hatches andthe parasite larva feeds on the dead fly's pupa before emerging as an adultabout a month later. Spalangia endius wasps, although rare or absent in similar studiesin Kansas and Nebraska, were common in southern Illi...

First Salmonella Vaccine For Poultry To Be On The Market Soon

... could defend itself against the chicken's natural host defense system, its antibodies, and possibly kill the bird. But by giving the bird the weakened strain contained in the vaccine, the bird always wins." Bigger winners in this development are American consumers and the poultry industry, which brings...

Molecular Piracy Turns Protein Into Traitor

...HV-8) appears to have stolen a gene from the human host which codes for a chemokine. The virus then transformed it into a potent and broad-spectrum blocker of our chemokine system. Recent research has shown that twoof the chemokine receptors blocked by the new molecule, CCR5 and CXCR4, are co-receptors es...

Mutant Gene Not Sole Explanation For Hiv Non-Progression

...e system factors, genetic and other host factors, and viral factors contribute to the clinical profiles of these patients, who usually have preserved immune function and low levels of HIV in their bodies." Recent...

Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains

...to dream about versatile new materials for a whole host of products--from steel-belted radials to shoes, which must be soft and flexible, yet tough enough to pound the pavement." Waite emphasizes that his current work primarily provides fundamental insights into the molecular construction of byssal thread...

Smoking Mice Lead To Emphysema Breakthrough

... called metalloproteinases, play a major role in a host of disordersincluding tooth decay, atherosclerosis, arthritis ? and, now, emphysema.Pharmaceutical companies are now trying to develop metalloproteinase inhibitorsthat may be able to effectively prevent many of these disorders. Shapiro iscurrently de...

Bowman Gray Scientists Find Novel Way To Block AIDS Virus

... Chen said, "A strategy of genetic modification of host cells, thelymphocytes or stem cells, for resistance to HIV-1 infection, together with drugtherapy, may hold the ultimate hope for HIV treatment." His group is now in the stage of pre-clinical study to further evaluatethe efficacy and safety o...

New Ultrafine Metal Powder Production Process

...uit boards, high-speed photographic film and a host of other applications. Dr. Jogender Singh, ARL senior research associate and associate professor of materials science and engineering, led development of the process. He was recently honored with an R&D Magazine 100 award which recog...

Jefferson Scientists Develop Botulism Vaccine

... could be the critical element needed to create a host of new oral vaccines.” One use of this vaccine technology would be for common diseases such as diphtheria and tetanus. Dr. Simpson sees a possibility for an even more intriguing use. “There are Third World countries in wh...

Colorado State Scientists Tackle Genetic Makeup Of Obscure Bacteria

...latter partof the patient's life. It can trigger a host of serious problems, includingblood infections, hepatitis, skin lesions and pneumonia. Because Mycobacteriumavium can be found virtually everywhere, AIDS patients can be exposed by takinga shower or eating food that contains the bacteria. "...

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