Tag: "inhibition" at biology news
New Cancer Switch Discovered By Duke Medical Center Pharmacologists
...a cells in test tubes. "These results suggest that inhibition
of GRB-2 interactions may provide a useful therapeutic target for treatment of [chronic myelogenous leukemia] as well as other tyrosine kinase-associated human cancers such as breast, ovarian, glioma, squamous cell carcinoma and leukemia," the scient...
NIH Office Of Dietary Supplements Expands Research Support
... help clarify the role of these key amino acids in inhibition
and stimulation of glutathione synthesis in the intestinal tract. Glutathione is a substance that may have a protective effect against dietary and bacterial toxins found in infants whose intestinal function may be impaired by disease. In addition ...
Competitive Inhibition May Enhance Safety Of Minimally Processed Fruits And Vegetables
... good applications for thesecultures. Competitive inhibition
with LAB also shows great potential forenhancing t...g of produce. A current application of competitive inhibition
is the "Wisconsin process" forensuring the safety of bacon. This process uses LAB cultures with red...
Harvard Medical School Researchers Identify Four Human Genes Essential To Cell Division; Discovery Yields New Target For Cancer Therapies
...avingthe desired effect on the target cell. If APC inhibition
is detected followingaddition of a certain compound the chemical that sounded the alarm can becarefully investigated for its clinical suitability. The Kirschner group hasfiled a patent for the biochemical method that they devised for analyzing APCact...
Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
...microbial Properties(Listed from greatest to least inhibition
of food-spoilage bacteria)Source: "Antimicrobial Functions of Spices: Why Some Like It Hot," JenniferBilling and Paul W. Sherman, "The Quarterly Review of Biology", Vol. 73, No.1,March 1998 1. Garlic 2. Onion 3. Allspice ...
Scientists At The Scripps Research Institute And R.W. Johnson Pharmaceuticals Develop New Antibacterial Agents
...rsby mutation, antibody neutralization or chemical inhibition
can be thedetermining factor in tipping the outcome of the infection favorably toward thehost. As a consequence, we are gaining an appreciation for the potentialusefulness of bacterial virulence factors as new targets for therapeuticintervention agai...
Cancer Test May Offer High-Risk Groups Quick, Affordable Screening For Tumors
...e to adapt it for administration through bacterial inhibition
assays, aninexpensive technique commonly used to screen newborn babies for phenylketonuriaand other diseases. "We're still relatively early in the development, but I'm confident thatthe test can be implemented in a cost-effective manner," say...
Researchers Show Mechanism And Similarities Of Biological Clocks
...e and elegant feedback loop of gene activation and inhibition
that composesthe core mechanism of the clock in animals." In the first paper, Charles Weitz and coworkers at Harvard MedicalSchool, with Takahashi's group at Northwestern, searched for and identified aprotein molecule that can bind to the pro...
Pharmacologists Discover Linkage Of Key Cell Switches
...s helps us identify ways of approaching a targeted inhibition
ofsignaling pathways. If a protein kinase and a phosphatase are not just workingon the same protein, but are sitting there hand-in-glove, then in theory youcould block the entire pathway by inhibiting one or activating the other. Thiswould change the...
Study Finds Evidence Linking The Brain's Cognitive Control Regions With Stress Control Regions
... way it does thatis through overcoming the ongoing inhibition
of the system." The delicate balance between stress inhibition
and excitation is asurvival strategy built into animals through millions of years of evolution,allow...
Cubist Pharmaceuticals Describes New VITA Technology For Enabling Genomics For Drug Discovery
... for antiinfective drug discovery by the regulated inhibition
of thetarget in a pathogen during a systemic infec...,"data will be presented describing the successful inhibition
of bacterial growthin vitro and the protection of mice against a lethal infection by the regulatedin...
Plant-Based Fat Inhibits Cancer-Cell Growth By Enhancing Cells Signaling System, UB Researchers Show
... cellsnot to divide. The study showed a 28 percent inhibition
of prostate-cancer cellgrowth after being exposed ...ultures supplemented withcholesterol. This inhibition
of cell proliferation was accompanied by a 50 percentincrease in the activity of one enzyme. The sec...
Cholesterol Inhibitors In Garlic Identified
...ol-lowering effects ofgarlic are likely to be from inhibition
of cholesterol synthesis in the liver bya combination of the water-soluble, sulfur-containing compounds," Yeh said."It's not likely that the fat-soluble, sulfur-containing compounds play a majorrole." He plans to conduct further research in ...
Vitamin E Prevents Early Plaque Formation
...isease can be attributed to itscombined effects on inhibition
of the oxidative modification of lipoproteins andi...monocytes and endothelial cells resulted ingreater inhibition
of adhesion, the work showed. "This is most likely what is occurring when one ingests vitamin ...
Receptor May Increase Risk Of Urinary Tract Infections
...t wehope to dois to see whether or not competitive inhibition
at the mucosal level would havesomeeffect on prevention or, perhaps, augmentation of treatment." The researchersbelievethat since the bacteria wouldn't be killed just washed away mutants, andthusresistance, would not develop....
Better Binding Through Chemistry
...secreting rapamycin. The "drug" rapamycin achieves inhibition
in twosteps: First, it binds to a presenting protein, FKBP (for FK 506- b inding p rotein), and then the drug-protein complexbinds to the tor protein. Remarkably, Crabtree says, all of the mutations that improved proteinaffinity were at the interf...
Pollutants Found In House Dust Increase Pesticide's Toxicity
...To study whether the PAHs increased chlorpyrifos's inhibition
ofcholinesterase, the researchers added specific concentrations of pyrene,benzo(a)pyrene, fluoranthene, and anthracene to an incubation mixture containingchlorpyrifos and purified cholinesterase. They then measured cholinesteraseinhibition in the pr...
Nematode makes scientific history
... techniques such as RNA interference, which is the inhibition
of genefunction through RNA injections, could pave the way to functional analyses inmany other nematode species. "In turn, these analyses can be geared toward thediscovery of essential nematode genes which can be used as targets for nematodecontrol,"...
Growth hormone involved in diabetic kidney disease, study finds
...know if kidney disease was prevented because ofthe inhibition
of the growth hormone pathways caused by the antagonist or if theantagonist prompted some other reaction that led to disease prevention. "We don't know how growth hormone is involved -- that's what we'relooking at now," Kopchick said, "but we ...
Mice show function of gene that causes two types of blindness
...ding diseases," Travis said. "We observed complete inhibition
oflipofuscin accumulation when mutant rodents were raised in total darkness. Thisobservation suggests that patients with Stargardt's disease and some forms ofAMD could slow the progression of their blindness by wearing sunglasses andavoiding bright l...
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