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Tag: "reduced" at biology news

How an AIDS-Related Cancer Unleashes Inflammation

Although new HIV treatments have drastically reduced the incidence of Kaposi's sarcoma in developed cou.... Effective new treatments for HIV have strikingly reduced the immunodeficiency factor in developed countries; so new cases of KS have gone down by 90 percent ...

Opposing fat metabolism pathways triggered by a single gene

...hr-49 was absent, the lifespan of the nematode was reduced by more than 50%, and the animal displayed numerous gross abnormalities in the gut and gonad. This was accompanied by unusually high fat content in the larvae. They further showed that deletion of nhr-49 changed expression of 13 genes related to fat ...

Kinovate Life Sciences Launches Nittophase?High Performance Solid Support For Oligonucleatide Synthesis

...rt with superlative performance at a significantly reduced unit cost. In this way we see considerable potential to make it possible for players of all scales in this industry to meet both long and short term objectives of cost savings, and the eventual development of oligonucleotide drugs that are affordable...

Artifical cornea lets woman blind 20 years see

...n she was 39. The reaction scarred her corneas and reduced the ability of her eyes to soothe their damaged surfaces by remaining moist. She came to rely upon family and friends to help her do many of the activities people with normal vision sometimes take for granted. Now, twenty years and several life mile...

Genetically modified rice in China benefits farmers' health, study finds

...n field trials in China report higher crop yields, reduced pesticide use and fewer pesticide-related health p...om adopting GM rice by both higher crop yields and reduced use of pesticides, which also contributes to the improved health of farmers." China began doing res...

Hirsute Or Hairless? Two Proteins May Spell The Difference

... levels of cell proliferation in the epidermis and reduced cell adhesion. Working with skin keratinocytes, precursors of hair fibers, Fuchs and colleagues explored several signaling proteins known to be involved in bud formation as possible activators of Snail expression. When the authors treated keratinocy...

Gene Signatures Predict Interferon Response For Multiple Sclerosis Patients

...portantly, a sizable proportion of patients show a reduced response, or no response at all. Given the variability of the disease and treatment response, being able to predict how a particular patient is likely to respond to interferon would help doctors decide how close to monitor the patient or even whether...

Pulsating ultrasound enhances gene therapy for tumors

...de no scarring, limited blood loss and infections, reduced risk of other complications, shortened recovery time, significant reduction in costs and the potential for many procedures to be done on an outpatient basis. ...

Flocking together: Study shows how animal groups find their way

...d individuals needed to accurately guide the group reduced from approximately 50 percent to less than 5 percent. As a result, the number of informed individuals required to lead a small group was about the same as the number needed to lead a large one, Couzin said The researchers extended their experiments ...

Reducing malarial transmission in Africa

...ey were to infect mosquitoes 7 days later was also reduced by the six dose regimen. Although the results are promising, some patients may have difficulty taking a six-dose regimen, and as it also needs oily food for adequate absorption there might be inadequate drug levels in the blood of many treated indiv...

No relief for Pacific Northwest drought

...arts of the Southwest this year have significantly reduced the fire risks in that region, at least for this year. Vegetation growth that occurs during years with heavier rains, however, can sometimes set the stage for major fires in following years if drought resumes. The models that simulate the droughts a...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...em in such a way that the risk of gene transfer is reduced or eliminated," said Banuelos. Terry said that techniques now being developed by plant geneticists -- such as modifying chloroplast DNA rather than nuclear DNA -- will eventually reduce the need for such constant monitoring. Since chloroplast DNA is...

Researchers discover chemical compounds that affect plant growth

...on of plant growth due to gravity. Further screens reduced this number to 34, then down to 4 chemicals, which affected gravitropism and the movement of proteins through membranes within the plant cell. . Only one of these resembled auxins, a plant-produced growth hormone involved in gravitropic responses, w...

Key mechanism in genetic inheritance during cell division identified

... Dam1 mutants produced partially formed rings that reduced microtubule binding. "Because the stability of a microtubule is thought to be largely governed by the lateral interactions between adjacent protofilaments," the authors note, "rings that bind orthogonally to the microtubule axis are not only expecte...

HIV-1 spread through six transmission lines in the UK

... likely from changes in sexual behaviour than from reduced infectiousness resulting from antiretroviral therapy. The study by UCL, the Health Protection Agency and the University of Oxford statistically analysed the epidemic history of the HIV-1 subtype B strain from sampled gene sequence data. Molecular da...

Alzheimer's cognitive decline slowed

...ing of the patients' rate of cognitive decline was reduced by 36 to 51 percent. In addition, researchers exam...decline on the MMSE among NGF-treated patients was reduced by as much as 51 percent. An additional test, called the Alzheimer's Disease Assessment Scale-Cognit...

Scientists identify molecule that regulates well-known tumor suppressor

...ast cancer patients, elevated PKB/Akt activity and reduced PTEN expression were associated with elevated DJ-1levels. DJ-1 levels were increased in cells from lung cancer patients, and DJ-1 was associated with poor prognosis. "Our results demonstrate that DJ-1 negatively regulates PTEN function, and that thi...

Protein That Promotes Survival Of Stem Cells Might Be Key To Poor Leukemia Prognosis

...tion, these mice developed anemia and had severely reduced numbers of bone marrow (BM) cells, such as HSCs and progenitor cells. This was strong evidence that Mcl-1 was needed to maintain these cell populations. The team also demonstrated that BM cells lacking Mcl-1 did not multiply when removed from mice a...

White Blood Cell 'Waste Disposal' System Plays Critical Regulatory Role

...hat the amount of IL-23 produced by phagocytes was reduced when phagocytes actively ingested apoptotic neutrophils. Interestingly, mice with abnormal neutrophils that lacked the ability to migrate into body tissues where they would have encountered phagocytes exhibited elevated IL-23 and IL-17 levels. When t...

Emergence of cancer as major cause of childhood death in developing countries is not being adequately addressed

...f children dying from infectious diseases is being reduced through the efforts of the World Health Organization and international charities, the researchers say. Health care organizations and charities have traditionally focused on relatively inexpensive strategies for combating infectious diseases, said Ch...

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