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Tag: "gives" at biology news

Mutation in clams protects against paralytic shellfish poisoning but raises human health risk

...tists have now identified a mutation in clams that gives some protection. PSP toxins interfere with nerve function, and the mutation, which changes a single amino acid in a sodium channel, makes nerves less sensitive to those toxins. The discovery is reported in the April 7 issue of the journal Nature. Th...

Affymetrix and bioMerieux Extend Their Agreement on GeneChip(R) Technology to Breast Cancer Diagnostics

... made under the Powered by Affymetrix(TM) program, gives bioMerieux non-exclusive rights to Affymetrix' patented arrays, instrumentation systems and future improvements to these key technologies. Financial terms of the agreement were not disclosed. "Microarrays are on the path to becoming a clinical reali...

Researchers test new therapy for advanced melanoma

...taneous Oncology Program at Moffitt. "Gene therapy gives us the flexibility to introduce a huge variety of potential targets for treatment, but its major limitation has been getting the gene into the cancer. If electroporation can deliver the gene to these tumors reliably and without serious side effects, ...

Innovative coating could give medical implants a longer life

...sticky dihydroxyphenylalanine (DOPA) molecule that gives mussels their adhesive or anchoring strength and a longer peptoid polymer resembling the structure of polyethylene glycol (PEG), a widely studied antifouling polymer. "We had a rich chemistry available to us when designing this polymer," said Messer...

U. Iowa researchers improve Huntington's disease symptoms in mice

...rget the symptoms of the disease. RNA interference gives us the first opportunity to attack the fundamental problem and reduce protein expression from the disease gene," said Beverly L. Davidson, Ph.D., the Roy J. Carver Chair in Internal Medicine and UI professor of internal medicine, physiology and bioph...

High fidelity keeps human DNA assembly line humming

...onveyer belt. Finding evidence of quality control gives some perspective to the elegance of cell creation. Burton said it does not mean mistakes never occur. The assembly line analogy holds up there. The human system has an acceptable level of error required to allow for the speed at which cells must repr...

Scientists discover odd-ball rodent

...d it appears to be a nocturnal vegetarian. It also gives birth to one offspring at a time, rather than a litter. Dr. Timmins, who also discovered a new species of striped rabbit from the same region in 1999, warns that habitat protection and regulations to reduce unsustainable commercial hunting are vital...

UN: World in big ecological mess

...ation (WHO). "The Millennium Ecosystem Assessment gives us, in some ways for the first time, an insight into the economic importance of ecosystem services and some new and additional arguments for respecting and conserving the Earth's life support systems," declared Klaus Toepfer, Executive Director of th...

Random gene expression may drive HIV into hiding

...quantify things and dissect them at this level, it gives you ways of exploring where your most vulnerable places might be." Commenting on the work in a preview article published in the same issue of Cell, William J. Blake and James J. Collins of the Center for Biodynamics of Boston University, wrote: "The...

New study: Sexually transmitted disease treatment can be effectively administered by sex partners

...hod, known as patient-delivered partner treatment, gives the patient an antibiotic to offer to his partner. To compare the efficacy of patient-delivered partner treatment with standard and booklet-enhanced partner referral, the researchers enrolled 977 men from an STD clinic in New Orleans. The men had al...

Measurement Challenges In Detecting Cancer Biomarkers

...hod, known as patient-delivered partner treatment, gives the patient an antibiotic to offer to his partner. To compare the efficacy of patient-delivered partner treatment with standard and booklet-enhanced partner referral, the researchers enrolled 977 men from an STD clinic in New Orleans. The men had al...

New Finding May Aid Adult Stem Cell Collection

...hod, known as patient-delivered partner treatment, gives the patient an antibiotic to offer to his partner. To compare the efficacy of patient-delivered partner treatment with standard and booklet-enhanced partner referral, the researchers enrolled 977 men from an STD clinic in New Orleans. The men had al...

Study: Well-known protein helps stem cells become secretory cells

...Andrew. CrebA's role in the fruit fly's epidermis gives it secretion-promoting powers there as well, the researchers note. In fruit flies, epidermal cells secrete the cuticle, a protective covering for the organism. "Our findings suggest that this single transcription factor directly determines the amoun...

By creating molecular bridge, scientists change function of a protein

...ution of these intermediate functions. If done, it gives you the ability to create protein functions for any purpose you want -- as a catalyst to create new chemicals that might be useful in such things as therapeutics, for example." By way of in-vitro co-evolution, the researchers gradually changed the f...

Anthrax test, developed by army and CDC, receives FDA approval

...s. "Because of that specificity, the gamma phage gives a highly readable result," Ezzell explained. "Wherever the virus is added to the surface of a culture plate that has been inoculated with suspicious anthrax colony growth, you can see clear zones where the B. anthracis cells have been destroyed--wher...

'Mad cow' proteins successfully detected in blood

...s. "Because of that specificity, the gamma phage gives a highly readable result," Ezzell explained. "Wherever the virus is added to the surface of a culture plate that has been inoculated with suspicious anthrax colony growth, you can see clear zones where the B. anthracis cells have been destroyed--wher...

Major breakthrough in the treatment of cancers and infectious diseases

...lication online on August 28 in Nature Immunology, gives genetic evidence for the inhibiting role of EAT-2 in NK cells. It is the product of over five years of intensive research by Dr. Veillette's team. More specifically, by studying mice in which the EAT-2 protein is eliminated through genetic manipulat...

Newly discovered genetic disease sheds light on body's water balance

... New England Journal of Medicine. "This discovery gives better insights into treating these patients and potentially many others," said Stephen Gitelman, MD, principal author of the study and professor of clinical pediatrics at the University of California, San Francisco. "It sheds new light on the mechan...

Harmless virus may hold key to more effective HIV drug discovery

...e population of Nef variants responds to new drugs gives researchers greater ability to identify broad-spectrum, anti-HIV compounds. This approach, Weiss said, can make drug discovery efforts for other anti-viral therapies faster and more effective. Study results appear in online version of the Journal of...

Identification of specific genes predicts which patients will respond to Hepatitis C treatment

...ar of the virus. "Knowing that you are a responder gives you the courage and the fight to go on. It was devastating, but having the support of my friends and hospital staff really helped me through the treatment. And I wanted to participate in this study so that the research could help others in the future...

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