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Tag: "association" at biology news

Identified main genetic variants involved in response to HIV

...f the infection. This type of comparison, known as association study, permitted to deduct main genetic variations playing a central role in the control of viral infection. Results point to two gene variants related to the immune system. More precisely, these variations are in a genetic region responsible for t...

Liver cancer patients with high serum levels of hepatitis B virus face poorer outcomes

... HCC patients with chronic HBV infection, and this association is independent of an individual’s hepatic reserve, tumor and clinical factors,” the authors report. Though the study was limited by a small patient cohort, and the fact that all had advanced disease, the authors concluded, “Based on the present f...

A new plant-bacterial symbiotic mechanism promising for crop applications

...f this constraint thanks to its ability to live in association with soil bacteria of the Rhizobium, genus, capabl...dition, cultivation of legumes living in symbiotic association with bacteria can contribute to vegetation regeneration schemes on soils depleted in nitrogen owing ...

Research team identifies new Alzheimer's gene

... Banner Alzheimer’s Institute. After finding an association between a form of the GAB2 gene and Alzheimer’s disease in three separate groups, the researchers showed that the GAB2 gene is unusually active in vulnerable brain cells from Alzheimer’s patients and that the GAB2 protein produced by this gene is pre...

In nature, proteins sweep up nanoparticles

...tact with it. But in this case, we see an intimate association of proteins and minerals that takes place as far as hundreds of microns away from the cell.” In other words, in addition to pumping nano-sized sulfide waste particles into the environment, bacteria also pump proteins into the environment. These pr...

AAAS decries latest stem cell veto

...m cell research must be explored, the non-partisan association said a statement. The following is the full text of the AAAS statement: "The President has again vetoed the Stem Cell Research Enhancement Act, which would expand federal support for embryonic stem cell research. AAAS, the world's largest gene...

First confirmed common genetic risk factors for breast cancer

...l team of scientists who conducted the genome-wide association study report that these five genes code for proteins crucial to biological activities that previously had not been implicated as triggers of breast cancer. The genes carry the DNA recipes for proteins important to the growth and duplication of body ...

A cherry on top: Tart cherries may alter heart/diabetes factors

...grant from the Cherry Marketing Institute, a trade association for the cherry industry. CMI has no influence on the design, conduct or analysis of any U-M research it funds. Seymour and the laboratory's director, U-M cardiac surgeon Steven Bolling, M.D., caution that their results cannot be directly translate...

'Personality-gene' makes songbirds curious

...ing birds, the scientists also found a significant association between the SNP830-genotypes of individuals and variation in their level of curiosity. "The personality trait can be an important predictor of how individuals will respond to predictable and unpredictable changes in their environment and how well ...

100 percent of pregnant women have at least one kind of pesticide in their placenta

...p://www.ugr.es ] has facilitated research into the association of the characteristics of parents, newborn babies and childbirth with exposure to pesticides found in the mothers?placenta. Among the aspects associated with a higher presence of pesticides we find an older age, higher body mass index, less weight ga...

Heavy multivitamin use may be linked to advanced prostate cancer

...Health-AARP Diet and Health Study to determine the association between multivitamin use and prostate cancer risk....ith advanced cancers. The researchers found no association between multivitamin use and the risk of localized prostate cancer. But they did find an increased r...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

...rostate cancer. In fact, the researchers noted an association between beta-carotene, an antioxidant related to l...ing data from the PLCO trial, and found no overall association between lycopene intake and prostate cancer. In their current study, the researchers followed ov...

In young mice, gregariousness seems to reside in the genes

...ir social interactions," says Lahvis. "There is an association between high-pitched calls in mice and positive experience. The quality and quantity of the call are tightly associated with the nature of the interaction itself." As the mice neared sexual maturity, the genetic influence on social behavior ebbed ...

Out-of-body experiences may be caused by arousal system disturbances in brain

...ing sleep transition or near death. "The strong association of sleep paralysis with out-of-body experiences in the near death experience subject is curious and unexplained," Nelson said. "However, persons with near death experiences appear to have an arousal system predisposed to both REM intrusion and out-of...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

...article. The National Chicken Council, a trade association that represents the U.S. chicken industry, claims there is “no reason to believe there are any human health hazards?associated with the use of roxarsone. ...

Scripps research study shows humans and plants share common regulatory pathway

...etween Nod1 and plant R protein pathways. "The association of Nod1 with SGT1 and the COP9 complex suggests that one possible role of SGT1 could be to target resistance-regulating proteins for degradation," he added. "In this hypothesis, the target protein would be a negative regulator of immune responses." ...

New player in commitment to life as a fat cell

...irst authors. "This enzyme was originally known in association with the catabolism of purines into uric acid, the production of reactive oxygen species, and its involvement in gout. It has never been looked at in the context of fat development before." The findings further suggest that adipose-tissue XOR may ...

Genetic pathways to curable and incurable forms of pancreatic cancer identified

...udies by researchers in Boston also found the same association between Kras and p16. From studies of human cancers, it is known that mutations in Dpc4 can also occur, but they do so late in the course of disease progression. The current study showed that the combination of Kras and an early mutation of Dcp4, in ...

New sucker-footed bat discovered in Madagascar

...g to the researchers. Myzopoda are often found in association with broad-leaf plants, most notably Ravenala mada...numerous tropical countries. Myzopoda are found in association with such plants because they can use their suckers to climb and adhere to the leaves' flat, slick s...

Indicators for risk of heart disease are higher in passive smokers

...us studies based on self-reported exposure. The association changed little even after researchers adjusted for participants' self-reported fruit and vegetable consumption ?one of the more influential aspects of diet on cardiovascular health ?and for lifestyle factors such as physical activity, social class an...

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