attack in Biological News

Venomous sea snakes play heads or tails with their predators

... extremely venomous sea snakes are susceptible to attack from several predators such as sharks, large bony ... it may increase the chances of surviving predator attack by exposing a less 'vital' body part, but more importantly it may deter attack in the first place if attackers perceive the tail ...

Bioterrorism and disaster preparedness explored in special issue of Medical Decision Making

... Decision Making , a large-scale, covert anthrax attack on a large city would overwhelm hospital ... because of expected delays in detecting the attack and initiating a response to it. The article ... carewill determine our success in containing an attack if one happens."" said Mark Helfand, editor of ...

New drug may reduce heart attack damage

... reduce heart muscle damage after a heart attack and may lead to significantly improved patient ... "This drug not only structurally reduces heart attack size but it protects heart muscle function. Both ... is only turned on in cells affected by the heart attack and can be delivered directly to a localised area ...

They are young and need the job: A second chance for dangerous T-cells

... combating viruses and bacteria. Errant cells that attack the body's own material are in most cases driven ... of T-cells in the thymus that may recognize and attack the body's own structures. "Most of these ... of autoreactive T-cells that would otherwise attack their own organism, is an important requirement ...

Tracking down the causes of multiple sclerosis

... threats like viruses, bacteria and tumours, attack the body's own brain tissue. New treatments now ... B cells. In the new mouse model, T cells also attack the body's own brain tissue. However, this is not ... the neuroimmunologists, however, these cells also attack mice that lack MOG. "This finding was completely ...

Heart attacks: The tipping point

... of American deaths each year are caused by heart attack or angina, sometimes without any warning. But ... University, there's new hope for potential heart attack victims. By looking at the electrical activity ... Dr. Zlochiver can not only predict when a heart attack will occur, but he can also help doctors ― ...

UT Southwestern researchers probe kidney damage, protection in lupus

... cells that causes them to congregate in and attack the organs, researchers at UT Southwestern ... the kidneys from a different sort of immune attack in both mice and humans. "These studies, taken ... the researchers administered antibodies that attack a part of the kidney called the glomerular ...

A missing enzyme conveys major heart protection in pre-clinical work

... enzyme can resist the normal effects of a heart attack and retain nearly normal function in the heart's ... of blood vessels and limit damage from a heart attack as well as prevent an attack from occurring at all, the scientists said. ...

International study identifies gene variants associated with early heart attack

... it has been known that the risk for heart attack the leading cause of death and disability in the ... patients treated at the MGH for early-onset heart attack men under 50 and women under 60. Kathiresan ... on a total of about 3,000 early-onset heart attack patients and 3,000 healthy controls. The ...

Molecule that suppresses immune response under study in type 1 diabetes

... children at high risk for type 1 diabetes not to attack the insulin-producing cells of the pancreas. ... T-cells are immune cells that decide whether to attack or ignore an antigen. Dr. Mellor believes they'll ... the immune system to avoid something rather than attack it may be the best option for these high-risk ...

Implants mimic infection to rally immune system against tumors

... skin can reprogram the mammalian immune system to attack tumors. The research -- which ridded 90 ... cells from the body and reprogramming them to attack malignant tissues. The altered cells are then ... type 1 diabetes, which occurs when immune cells attack insulin-producing pancreatic cells. "This ...

Modified plants may yield more biofuel

... caustic chemicals. Moreover, fungal enzymes that attack lignin are not yet widely available, still in the ... open the lignin polymer by using enzymes that attack proteins rather than enzymes that attack lignin." These enzymes ...

Researchers at UH explore use of fat cells as heart attack therapy

... cells to beef up heart muscles damaged by heart attack and they're using an out-of-this-world device to ... are found in fatty tissue, as a therapy for heart attack patients. When a patient has a heart attack, ... doctors can use to inject the cells into a heart attack patient's heart and can either protect or even ...

Entertainment Software Association Foundation awards grant to FAS for immune attack

... (FAS) will reach new levels with Immune attack TM the first biologically accurate immunology ... "We expect to release the next version of Immune attack in February 2009," said Melanie Stegman, project ... defend the body against invading bacteria. Immune attack is a complement to the learning that happens in ...

Human embryonic stem cell secretions minimized tissue injury after heart attack

... improve survival and recovery rate after a heart attack was reported in the journal Stem Cell Research ... currently the best approximation to a human heart attack patient undergoing reperfusion therapy, the ... the best therapeutic option available to heart attack patients. Reperfusion is the restoration of ...

At risk for peripheral arterial disease? Simple quiz provides key so you can circulate better

... painful walking, gangrene, amputation, heart attack or stroke," said interventional radiologist ... the legs mean that one could be at risk for heart attack or stroke. And, individuals with diabetes are ... life-threatening vascular diseases, such as heart attack (the number one killer in this country) and ...

Killer carbs -- Monash scientist finds the key to overeating as we age

... more," Dr Andrews said. Dr Andrews said the attack on appetite suppressing cells creates a cellular ... free radicals created naturally in the body attack the POMC neurons. This process causes the neurons ... Dr Andrews said. The free radicals also try to attack the hunger neurons, but these are protected by ...

Study finds Chinese food good for your heart

... study on patients who have suffered a heart attack found that a partially purified extract of ... study looked at patients who had suffered a heart attack in the previous year. Study participants were ... of disease whether someone has had a heart attack or not. But it is important to recognize the fact ...

Fixing the education digital disconnect one video game at a time

... of American Scientists (FAS) will launch Immune attack TM, an exciting, fun and fast-moving video game ... visit: http://www.immuneattack.org ) Immune attack is a complement to the learning that happens in ... surveys show that the students who play Immune attack show an increase in knowledge when compared with ...

Saliva can help diagnose heart attack, study shows

... AUSTIN, TexasEarly diagnosis of a heart attack may now be possible using only a few drops of ... results in as little as 15 minutes. Many heart attack victims, especially women, experience nonspecific ... tested saliva from 56 people who had a heart attack and 59 healthy subjects for 32 proteins ...

Playing dead is no game for ant survival

... strategy adopted by young fire ant workers under attack from neighboring colonies. This tactic makes them ... were four times more likely to survive the attack than were the older workers who ran away or ... the victims was necessary to trigger a physical attack known as a kinetic cue. The authors offer two ...

Cigarette after Valentine snuggle deadlier for some

... with this common gene variant experienced a heart attack around the age of 52. Weve all heard the ... form of this gene are likely to suffer a heart attack 12 years earlier than a non-smoker, while smokers ... to be protected and have the same risk of heart attack as non-smokers. While genes have long been ...

Human deaths from shark attacks hit 20-year low last year

... year a single human death occurred from a shark attack was in 1985, said George Burgess, director of the International Shark attack File housed at UFs Florida Museum of Natural ... in a fatality, he said. The danger of a shark attack stays in the forefront of our psyches because of ...

Cell Therapy for Cardiovascular Diseases

... can improve heart function soon after a heart attack by saving heart cells that would otherwise die from the attack Research performed by Dr. Gordon M. Keller ... for regenerating cardiac muscle after a heart attack First-ever results of work by Dr. A. Terzic ...

Top scientists meet for global conference on stem cell therapy for cardiovascular diseases

... can improve heart function soon after a heart attack by saving heart cells that would otherwise die from the attack Research performed by Dr. Gordon M. ... for regenerating cardiac muscle after a heart attack First-ever results of work by Dr. A. ...

Research explains link between cholesterol and heart disease

... that greatly increases the risk of heart attack and stroke by suppressing the activity of a key ... and in turn, how it leads to heart attack and stroke, Dr. Huang added. This could give us ... as it should and increasing the risk of heart attack and stroke. Until now, however, the process ...

Animal and plant communication at the ESA Annual Meeting

... among living things. Bugs pretending to be ants are protected against attack A classic example of a mutualism, or a mutually beneficial ... When she and her colleagues immobilized the bugs, the ants still did not attack them. But when the researchers washed the bugs in a chemical solvent and ...

Early detection and quick response are key to defense against anthrax attack

... NEW YORK (July 24, 2009) -- A large attack on a major metropolitan area with airborne anthrax could affect more than ... days would result in up to 6.5 percent more hospitalizations. Anthrax attack scenarios typically involve the release of one kilogram of weaponized ...

Scientists link immune system's natural killer cells to infant liver disease

... Medical Center also report that blocking a gene that helps NK cells attack bile duct tissues lessens damage and may be a way to treat the most common ... that NK cells rely on the receptor gene, Nkg2d, to make contact with and attack bile duct surface cells by attaching to the Nk2d protein, which resides on ...

Munich researchers discover new target for tailored antibiotics

... structure, similar to a three-leaf clover, and may open a potent line of attack for custom-tailored antibiotics. Research into the bacterial synthesis ... reaction have been identified," explains Groll, "we have a new angle of attack for developing substances that block the terminal step in the bacterial ...

New trigger for chronic inflammation in rheumatoid arthritis discovered

... present in joints therefore may cause the activated immune system to attack the joint leading to the persistent inflammation of rheumatoid arthritis. ... "We have uncovered one way that the immune system may be triggered to attack the joints in patients with rheumatoid arthritis. We hope our new findings ...

Natural seed treatment could drastically cut pesticide use

... the seeds of tomato plants, sweet pepper and maize. Red spider mite attack on tomato plants was down by 80 per cent, aphid attack on sweet peppers cut by 70 per cent and caterpillar damage to maize was ...

One size does not fit all

... disease of the central nervous system (CNS), in which immune cells attack the myelin sheath (the protective insulation of nerve fibres), and the ... nervous system. In the early stages of MS, following an immune system attack on myelin, oligodendrocyte progenitor cells or stem cells in the CNS are ...

Monitoring water through a snake's eyes

... in using the technology. Skyscrapers in New York City a Likely Point of attack "Toxic materials are readily available as pesticides or herbicides in ... Prof. Aharon Katzir, was assassinated by the Japanese Red Army in a terror attack in 1972. "I am trying to walk in his footsteps by doing applied research ...

Genetic study confirms the immune system's role in narcolepsy

... the HLA proteins, the T cell receptor enables T cells to recognize and attack foreign invaders, such as bacteria and viruses. Changes to the T cell receptor could increase the likelihood that the cells will direct their attack against the body. The findings of Dr. Mignot's group indicate that ...

Breaking the ties that bind: New hope for biomass fuels

... surfaces. These differences make the molecule potentially vulnerable to an attack by cellulase enzymes. Moreover, in this month's Biophysical Journal , ... differences to potentially make the material more susceptible to attack by enzymes that can crack the fibers into sugars for biofuel production. ...

Einstein researchers devise a fast and sensitive way to detect ricin

... is lethal to humans. No antidote is available. The most infamous ricin attack occurred in London in 1978, when Bulgarian dissident Georgi Markov died ... of ribosomes, the cell's protein manufacturing "machines"). The ricin attack causes ribosomal RNA to release a molecule of adenine. Dr. Schramm's assay ...

Inhaling a heart attack: How air pollution can cause heart disease

... aldehydes One intriguing statistic is that the risk of heart attack increases in parallel with time spent in traffic the previous day. In ... vessels react to the pollutants by producing an inflammatory response to attack the foreign matter. However, the inflammatory response itself can set off ...

Malaria immunity trigger found for multiple mosquito species

... involved in regulating several potent anti-Plasmodium defense genes that attack the parasite in the mosquito gut. Rel 2 is activated by the immune ... Furthermore, by activating Rel 2, the genetically modified mosquitoes will attack the malaria parasite with several independent immune factors, and this ...

Shades of 1918? New study compares avian flu with a notorious killer from the past

... (including the 1918 ressortants used in the study), which primarily attack type I cells in the lung. H5N1's attack on type II pneumocytes was sustained, from the point of initial infection ...