Tag: "cause" at biology news

Scientists Identify Protein Essential For Iron Absorption, Boost Understanding Of Iron-Deficiency Anemia

...very of these animal models tofinding out the true cause of these anemias," commented Garrick. The research received a boost from efforts in the mid-90s to map the ratgenome. This provided enough markers on the rat genome to begin to map theBelgrade rat and conduct the DNA analysis to find...

Testing Sought For Brighteners, Natural Substance In Spices, Cosmetic Chemical, Three Herbs, A Natural Oil And A Fertilizer

...almetto -- and afertilizer, for their potential to cause cancer orreproductive and developmental problems. The NTP, a program headquartered at the NationalInstitute of Environmental Health Sciences,announced these and other interagency recommendations for testing today, and soughtpublic and scientific comm...

New Heart-Attack Indicator Dramatically Improves Diagnostic Accuracy Of ER Doctors: TnT/Echocardiogram Combination Could Reduce Needless Admissions

...--despite physicians' best efforts to pinpoint the cause ofchest pain using traditional methods--a large number of patients are beingadmitted unnecessarily. "It will also help us make initial diagnoses to determine appropriatemedication," adds Mohler. "Most importantly, this research lays the grou...

NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record

... the four types of human malaria infection can all cause an acute illness accompanied by an enlarged spleen, P. malariae is the only one able to cause decades-long asymptomatic infections. People infected with P. malariae usually harbor ve...

Three-Day Treatment Cures Decades-Old Case Of Malaria

...d for as many as 70 years. Once he nailed down the cause of her symptoms, he cured her within threedays. .... malariae was the culprit, because it is known to cause very mildcases that last for years. The tale of misdiagnosed malaria began in 1994, when the ...

Washington University Licenses Its New Antibacterial Technology

...apply to many other pathogens,including those that cause middle-ear infections, pneumonia, meningitis andgo...mmaking pili. The bald bacteria would be unable to cause disease. "The mode of action of this new class of anti-infectives will be unlikeany other pr...

At Life's Most Sensitive Stage, Embryos Cope With Stress

...eral apparently have become extinct, yet no single cause for the losses hasbeen identified. Kiesecker, a po... the light damages theembryos1 DNA. The damage can cause mutations and can kill embryonic cells, butthe embryo has a well-developed rescue mechanism, based o...

New Research Suggests REM Is About Eyes Not Dreams

...ir, convectioncurrents based on heat differentials cause the aqueous to circulate. In otherexperiments, moving the eyes voluntarily immediately stirred up the fluorescencein the chamber so that it became uniform. Dr. Maurice's "stagnant aqueous humor hypothesis" could explain whyperiods of REM s...

Researchers Take Major Step Toward Cracking Ebola Code

...tegies that Ebola virus usesto evade detection and cause disease in infected individuals and point topotential antiviral targets," Nabel says. Research is now under way on how the glycoprotein causes disease in animals. Nabel says investigators can look for potential treatment strategies that wouldactivate...

Age-Based Screening Is Cost-Effective Method To Control Chlamydial Infection

...ion of chlamydialinfection, has emerged as a major cause of infertility among women ofchildbearing age. Genital chlamydial infection is caused by the bacterium, Chlamydia trachomatis,and is transmitted during vaginal or anal sexual contactwith an infected partner. A pregnant woman may pass the infection ...

U.S. Scientists Honored For Lifetime Contributions In Hepatitis Research

... to region, diseases and the suffering they cause often are universal and, furthermore, almost always very difficult to conquer." Having completed medical school at Duke University and an internship in pediatrics at Duke U...

Jefferson Researchers First To Create Genetically Engineered Mouse To Study Photoaging

...re about how theultraviolet light rays UVA and UVB cause skin aging and wrinkling. Study results have also led to new ideas for how sunscreen formulationsand other compounds may be designed to block the skin from the dangers of UVB,which many already do, and UVA, which causes skin aging and may p...

Genetics May Explain Much Age-Related Hearing Loss

...e body asby-products of normal cell metabolism can cause extensive damage to livingtissues, including the sensory hair cells in the inner ear, if they are notneutralized by antioxidant enzymes," McFadden said. "We think that SODdeficiencies may increase cochlear vulnerability to environmental insults, suc...

Amphibian Mortality Due To UV Radiation

... of ultraviolet-B (UV-B)radiation from the sun can cause high rates of mortality and deformity in somespeci...nDNA -- cyclobutane pyrimidine dimers -- which can cause mutations and cell deathif left unchecked. Kiesecker, a zoologist and postdoctoral fellow, ...

Hormone Control Of Rare Leukemia Sheds Light On Molecular Basis Of Cancer

...is study gets at the exact biochemical and genetic cause of theuncontrolled cell growth in this leukemia," says Mitchell A. Lazar, MD, PhD,chief of the division of endocrinology, diabetes, and metabolism. "Understandingthe molecular basis of this disease will teach us important lessons about cancerin gener...

Biotech Approach To Feral Cat Problem Devised

...genes on the Salmonella genome making it unable to cause disease. Then, Meister-Weisbarth introduced a gen... animals, Boyle says, the attenuated strain cannot cause disease. The Salmonella bacterium is especially useful as a vehicle for delivering an immuno-contra...

Lactose-Intolerant People Should Drink More Milk, Expert Says

... the intestine more rapidly and are more likely to cause symptoms." Savaiano has four tips to improve digestion of milk and dairy products. "These approaches can improve lactose tolerance to the point that people can consume diets that are quite rich in calcium and in milk and experience no difference in t...

New Sensor Will Detech Chemical And Biological Pathogens At Incredibly Small Doses

... infection (sepsis) of a gram negativebacteria can cause clotting, organ failure and subsequent death," Velander explains. Velander estimates there are several hundred WBAs that currently exist that caninduce battlefield and civilian casualties that can now be detected. "The newbiosensor approaches the sen...

Towards A Local Stimulation Of Natural Bypass Growth - Max Planck Scientists Developed New Treatment For Ischemic Heart Disease

...nce all of these growth factors have been shown to cause acute vascodilatation and may also promote tumor vessel growth. Attempts of vessel growth promoting therapies in the heart have therefore mainly been limited to cardiac surgery where the gene of a growth factor was given as adjunct to ...

Drivers Should Pay More Of Environmental Costs, Report Says

...Charging drivers for the environmental damage they cause is one part of the solution to maintaining sustainable transportation systems in urban centres, says a report by two U of T civil engineers. "Our research shows people are prepared to pay a lot more for things related to automobile use like gasoline...

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