Tag: "control" at biology news
Researchers Closing In On Gene For Paralytic Disorder
...e. These ailments kill the motor nerve cells that control
muscles,leaving the muscles paralyzed and wasted. In ALS patients, the paralysis begins to develop in mid-life or later,and typically leads to death within three to five years when respiratory musclesfail. In the Mattinglys, symptoms begin...
PEBBLEs Help U-M Scientists Open A Window On Cell Chemistry
...shot with PEBBLEs is only 2 percent higher than in control
cells." Martin A. Philbert , U-M assistant professor of toxicology in the School of Public Health , has directed toxicology tests on several types of PEBBLE-containing cells and agrees that PEBBLEs can be inserted with far less trauma to the...
Insights Into The Proteasome - A Fascinating Macromolecular Machine For Protein Degradation
...must be subject to precise spatial and temporal control
to prevent that proteins not destined for degradation are attacked. A basic strategy in controlling protein degradation is compartmentalization, that is sequestration of proteolytic action from the environment. Many proteases reside withi...
UF Researchers Use Gene Therapy To Prevent Hypertension, Organ Damage
...e day, scientistshope gene therapy will be able to control
high blood pressure in humans. The researchers describe their findings in the March 3 issue of thejournal "Proceedings of the National Academy of Sciences." In the latest study, one of several funded by the National Institutes ofHea...
USC Study On Soy's Anti-Cancer Effects
...study links a natural component of our diet to the control
of the cellularstress response, which plays an important role in many kinds of cancer andcancer drug resistance," says Amy Lee, Ph.D., holder of the Freeman CosmeticChair, professor of biochemistry and molecular biology at the USC School ofMedicine a...
Study Of Microbes May Hone Predictions Of Mining Impact
...re widely considered to be the microorganisms that control
the production rate of acid mine drainage. Knowing precisely where and under what conditions the microbes thrive in nature can be a powerful new tool to predict the effects of sulfide mining at a given site, said Katrina J. Edwards, a UW-Madison grad...
Nitrate Reductase: A Magical Enzyme?
...romoter is 'triggered' by methanol and allowsus to control
when the gene is expressed. The end result is an enzyme that isvery much like the natural nitrate reductase we started out with. This gives uscapacity to produce the qualities of the enzyme we need for research." He alsosays this is the first step t...
Carbon In Boreal Forests: Temporary Or Permanent?
...ke. Human disturbances suchas harvesting and fire control
add to the natural disturbances driving thiscycle. Changes in disturbance regimes, both natural and human-induced, maintainforests in a state of constant disequilibrium. Scientists from the Canadian Forest Services are studying the variations over...
Can Plants Influence The Climate?
...ve a strong influence on our climate, because they control
the fluxesof energy, water, and carbon dioxide between the earth's surface and theatmosphere. Humans may be unwittingly changing the earth's climate by alteringthe structure and functiong of plant communities through many actions includingdeforestat...
Cystic Fibrosis Foundation Launches Innovative Therapeutics Development Centers
...assure the development of the means to cure and control
cystic fibrosis and to improve the quality of life for those with the disease....
Late Blight Battle Goes Online, Marking 150 Year Struggle Since Irish Potato Famine
...to dealwith. Even trying to keep the fungus under control
causes significant economichardship because of dra...sts worldwide, we'll find astrategy to effectively control
late blight." The late blight feature website will only be available for a limited time. Login to ...
American Heart Association Comment: Sodium Reduction And Weight Loss In The
Treatment Of Hypertension In Older Persons
...sk for heart attack and stroke. "While you can't control
getting older, you can control
your diet," saysTheodore Kotchen, M.D., a member of the AHA's nutrition committee. "We knowthat a d...
Mouse Gene Reveals Clues To Human Deafness
...oup of proteins calledtranscription factors, which control
expression of other genes by binding tothem and allowing them to be turned on or off. In the inner ear, the mutantgene does not properly regulate other crucial genes. Deafness is the most common form of sensory impairment in humans. Onechil...
Gene-Reading Problem Linked To Lou Gehrig's Disease
...ng an excess ofglutamate that kills thenerves that control
muscles. This usually leads to paralysis and ...tor nerve cells were dying: in the spine andmuscle control
areasin the brain. Scientists could not find the mutations in brain tissue from 12 normalsubjec...
UNC-CH Researchers Discover Key Cancer Control Mechanism
... "The fact that one gene makes two products that control
two major tumorsuppressers I think has some potentially huge implications for cancerdevelopment and possibly future treatments," the surgeon said. "It looks likethis is going to evolve into a pretty big deal."...
Soy Protein With Phytoestrogens Inhibit Atherosclerosis Progression As Well As Premarin
...rogressed in about 64 percent of theanimals in the control
group, but in only 44 percent of the animals in thephytoestrogen group and 42 percent of the animals in the Premarin group, asignificant reduction in progression with the two treatments. The researchers also concluded: Premarin had th...
Malthus + 200: Disastrous 'Correction' Looms
...ay. "Whether human beings can, in fact, take such control
of their destiny remains to be seen." Price's essay examines the context in which Malthus developed his ideas and their influence on subsequent thinkers. Price points out that Malthus was not "just a country parson," as he is sometimes portrayed, "b...
Growth Factors Shown To Increase Vitamin C In The Immune System
...eins -- called growth factors -- which are knownto control
growth and production of immune cells also increase their abilityto take up vitamin C. The findings, which are reported in the April issueof the journal Blood ,shed new light on the connection between vitamin C and the immune system,showing how gr...
Pitt Researchers Develop Strategy To Use Dendritic Cells To Treat And Prevent Tumors
... simply co-cultured withtumor cells. In contrast, control
mice that were injected with either DC'salone or a mixture of DC's and tumor cells that weren't previously co-cultureddeveloped tumors at the same rate as unvaccinated animals and died within 33days. "We still don't know the exact mechanism ...
Link Made Between Human Growth Hormone, Bone Quality In Mice
...agnified cross-sections of bone inexperimental and control
mice is available on request. ANN ARBOR---Laborato...chanismsbetween genes and mechanical forces, which control
how bones grow and develop. "This balance between structure and function has evolved over years of m...
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