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Tag: "susceptible" at biology news

In mice, drug protects against diabetes and atherosclerosis

...periment, mice genetically engineered to be highly susceptible to atherosclerosis were fed high-fat diets and assigned to receive the drug or an inert substance. One set of mice was put on a high-fat "western" diet at five weeks of age; half received the inhibitor drug. A second group of animals ate the western ...

Breakthrough developments in rheumatoid arthritis reported

...man genome – to figure out what makes these people susceptible to the disabling inflammatory condition. Dr. Gregersen has finally closed the circle between key genes identified in his laboratory at the Robert S. Boas Center for Genomics and Human Genetics at The Feinstein Institute for Medical Research in Manh...

Ancient retrovirus sheds light on modern pandemic

...attle that humans have already won. Humans are not susceptible to it and have probably been resistant throughout ..."In the end, this drove human evolution to be more susceptible to HIV." For example, the researchers found that changes in TRIM5a that make it better at fighting H...

HIV and malaria combine to adversely affect pregnant women and their infants

...loping infant. First-time mothers are particularly susceptible to PAM whereas women in subsequent pregnancies bec...sults in this loss of protection and makes them as susceptible as first-time mothers. To uncover how HIV affects PAM, Kain and his team collected samples from ...

Scientists discover rare 'gene-for-gene' interaction that helps bacteria kill their host

... the phenoloxidase enzyme. These insects were more susceptible to regular Photorhabdus bacteria. But when the two were combined, it was found that not being able to produce ST made no difference to Photorhabdus when colonising insects unable to produce phenoloxidase. "This is conclusive evidence for a gene...

Healthy coral reefs hit hard by warmer temperatures

...warming on the spread of infectious diseases among susceptible marine species has been brought to an end," said Don Rice, director of the National Science Foundation (NSF) Chemical Oceanography Program, which funded the research through the joint NSF-National Institutes of Health Ecology of Infectious Diseases P...

Molecule that destroys bone also protects it, new research shows

...ite result. The mice without IL-17 were much more susceptible to bone loss caused by periodontal disease, compared to normal mice. "What’s the difference between an autoimmune disease like RA and periodontal disease" Periodontal disease is an infectious disease, and as with most infectious diseases, ...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...lies can't sleep, and losing sleep makes them more susceptible to infection. "When flies get sick, they stop sleeping," said David Schneider, PhD, assistant professor of microbiology and immunology. "Disrupting sleep in turn disrupts the immune system, which makes them even more infected and it's downhill fro...

Chemical maps hint at drug's effects on schizophrenia

... also begin to explain what makes some people more susceptible to schizophrenia, and why some people respond better to treatment than others or develop metabolic side effects, she added. Schizophrenia is a devastating mental illness that is characterized by hallucinations, delusions and changes in outlook and...

Scientists seek useful traits in wild cottons

...d yield potential, narrow genetics makes them more susceptible to insects and disease." Gannaway and other scientists believe future progress in cotton breeding can only be achieved if sufficient genetic variability remains in global breeding stocks. The mission of the center's Crops Genetic Re...

Individuals and populations differ in gene activity levels, not just genes

...y also help us understand why some people are more susceptible than others to complex genetic diseases....

Get a whiff of this: Smell test could sniff out serious health problems

...s one of our less robust senses. He says it’s more susceptible to harm because there is less neurological machinery in the brain devoted to processing the sense of smell. “So, that’s the reason it might be acting a little bit like the canary in the mineshaft. Because it’s more fragile, when you have insult to th...

NIAID expands capability for influenza research and surveillance

...entifying the factors that make animals and people susceptible to flu virus infection. In addition, St. Jude will expand its animal surveillance to more than a dozen countries and multiple U.S. states. St. Jude also will monitor pediatric populations for flu activity and maintain a surveillance component to moni...

NIH researchers discover protein that appears to regulate bone mass loss, the cause of osteoporosis

...out it people with X-linked Hyper IgM Syndrome are susceptible to a range of opportunistic infections. Last year, an NIAID doctor treating children with this disease observed that several of them sustained unexplained rib fractures that he hypothesized could be, like osteoporosis, caused by a loss of bone minera...

Scientists find genes involved in the battle between Hessian flies and wheat

...iology and change the level of certain proteins in susceptible plants. This forces the plant to feed the larvae. On resistant plants, Hessian fly larvae encounter defense mechanisms that include poisonous oxygen compounds, Shukle said. These compounds, also called reactive oxygen species, can be produced eith...

Tracking sperm whales and jumbo squid

...ng to Gilly. "We propose that jumbo squid are more susceptible to predation while they are recovering at depth immediately after a deep nighttime dive," he explained. In previous studies, Gilly found that jumbo squid are well adapted to the low-oxygen environment in deeper waters, where they spend most of the...

Discovery could lead to better control of hemorrhagic fever viruses

...lls from African green monkeys, known to be highly susceptible to Machupo virus infection. Later, they broke the ...that adding iron to cultured cells makes them less susceptible to infection. Choe notes that New World hemorrhagic fever outbreaks mostly occur in poor rural areas...

Research on grey mould offers possible breakthrough in tomato cultivation

...ant wild tomato Solanum habrochaites LYC4 with the susceptible S. lycopersicum cv. Moneymaker, he identified two areas with resistant genes in the DNA. This, however, did not explain all the variations in resistance. With this in mind, Finkers next made a step-by-step scan of the entire genome of the wild to...

Manipulating nature: Scientists query wildlife birth-control method

... a danger that the selected minority might be more susceptible to diseases, or that they would be better at carrying disease-causing agents which could affect other animals with which they come in contact. "Unless we are certain about these effects, altering the genetic capacity of a wild population to mount...

Wheat can fatally starve insect predators

... produce few or no lectins that bind to chitin are susceptible to Hessian fly larvae attack, she said. In addition, some virulent larvae can reprogram plant development so that cells in leaves and the base of the plant where the insects feed pump out nutrients favored by the insect. If this happens then even the...

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