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Tag: "attack" at biology news

World shark attacks dipped in 2005, part of long-term trend

..., he said. There also were simply fewer sharks to attack people, a result of a decline in populations cause...rcumstances," Burgess said. "A person who is under attack should act aggressively toward the shark and not follow the advice given to women who are having the...

U-M scientists identify major psoriasis susceptibility gene

...initial trigger. It activates the immune system to attack the strep bacteria. But once the strep infection is cleared, the immune system starts attacking the patient's own skin cells. About half the time, strep-induced psoriasis goes away and never comes back. But for the other 50 percent of young people w...

Basic research leads to a novel cancer therapy

...s by treating them with very specific drugs, which attack a variety of characteristics of tumour cells. Ther...s is a new breakthrough in the war on cancer. They attack critical cancer cell functions in multiple ways and are well tolerated by patients." This is the se...

UCSD team unmasks family of immune system invaders

... finding the mechanisms that these proteins use to attack human cells was even more exciting," said Alto. When pathogenic bacteria are ingested into the body ?as they generally are in diseases caused by E-coli or Salmonella commonly known as "food poisoning" ? the bacteria use a syringe-like system to "in...

How can we protect patients with weakened immune systems from influenza?

...t-case scenarios of flu pandemic or weaponized flu attack do not occur in the next few years, we will have greater understanding of how to protect vulnerable patients." ...

Therapeutic prospects beyond Vioxx

...and Celebrex ?with an increased incidence of heart attack and stroke, there has been intense interest in und... and Celebrex, while diminishing the risk of heart attack and stroke by having precisely the opposite effect on prostacyclin," says FitzGerald. ...

Gut protein found to protect against infection and intestinal breakdown

...that are known to protect the intestinal lining or attack bacteria. The research team also found that FXR molecules heavily lined the inside folds of the intestine in adult mice. "It's perfectly positioned," Dr. Kliewer said. "It's expressed in just the right place to protect us from the environment." Wh...

AIDS drug from sunflowers

... crop. However, some sunflowers survive the fungus attack more or less unscathed. They do this by producing specific antibodies which eventually put a stop to the fungus. The agricultural engineer Claudio Cerboncini wanted to find out what chemical weapons the fungus-resistant sunflowers have at their disp...

One in 14 men having a heart attack drive themselves to hospital

Seven per cent of men having a heart attack drove themselves to hospital and only 60 per cent ...d Nursing. The study, which looked at 890 heart attack patients admitted to six major teaching hospitals in Dublin, Southern Ireland, also found that it to...

World Trade Center identifications pushed forensic DNA technology

...entified 58 percent of the 9/11 World Trade Center attack victims, thanks to innovative genetic analysis tec...r more than three years." Shaler suffered a heart attack during the identification period, personnel came and went, and companies and agencies assisted on pr...

Epstein-Barr virus may be associated with multiple sclerosis

...tand how the Epstein-Barr virus causes the body to attack its own central nervous system, as it does in MS. "The mounting evidence that relates Epstein-Barr virus infection to other autoimmune diseases, particularly systemic lupus erythematosus (lupus), suggests that Epstein-Barr virus may have a broad rol...

Big hips, big belly? It's in your genes, Joslin-led study shows

...tand how the Epstein-Barr virus causes the body to attack its own central nervous system, as it does in MS. "The mounting evidence that relates Epstein-Barr virus infection to other autoimmune diseases, particularly systemic lupus erythematosus (lupus), suggests that Epstein-Barr virus may have a broad rol...

Brain's own cannabis compound protects against inflammation

...ver, endocannabinoid signaling strongly suppresses attack of microglial cells on nondamaged neurons," they wrote, "suggesting also a physiological function of the endocannabinoid system in maintaining a protective and healthy CNS microenvironment." They also concluded that "the endocannabinoid system repre...

Taipan venom no snake oil

.... "Australian snakes literally have a two-pronged attack when they bite their prey," Dr St Pierre said. "Firstly, venom injection causes massive blood clots instantaneously followed by paralysis as a result of neurotoxins which eventually immobilise and kill the victim." Dr St Pierre said mammals and sna...

VCU Massey Cancer Center researchers identify a new class of anti-cancer drugs based on platinum

...mpound's "non-covalent" interactions, prior to the attack on DNA. Non-covalent interactions minimize potential side reactions and produce changes in the structure of proteins and DNA, which is different from currently used drugs. This research was selected as the cover article for the print version of the j...

Use of amino acid supplement following a heart attack provides no benefit, may be harmful

...amino acid supplement L-arginine following a heart attack does not improve certain cardiac functions and measurements and may be associated with an increased risk of death, according to a study in the January 4 issue of JAMA. L-arginine is a widely available dietary supplement and is publicized as having b...

Little known DNA repair enzyme may be a tumor suppressor gene

...amino acid supplement L-arginine following a heart attack does not improve certain cardiac functions and measurements and may be associated with an increased risk of death, according to a study in the January 4 issue of JAMA. L-arginine is a widely available dietary supplement and is publicized as having b...

An elephant tail

...amino acid supplement L-arginine following a heart attack does not improve certain cardiac functions and measurements and may be associated with an increased risk of death, according to a study in the January 4 issue of JAMA. L-arginine is a widely available dietary supplement and is publicized as having b...

A case of mistaken molecular identity

...nts infected by T. cruzi generate antibodies that attack the parasite but also cause damage to heart cells....Levin and his team found that antibodies geared to attack T. cruzi also block rhodopsin, a molecule that converts light into electrical impulses sent to the b...

Study fishes out new role for prostaglandins

...said. "Eventually, we may be able to find a way to attack this pathway and prevent metastatic spread of colon cancer." Scientists have known that people who take aspirin, a drug that inhibits prostaglandin synthesis, have about a 50 percent reduction in their risk of getting colon cancer, DuBois explained....

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