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Tag: "condition" at biology news

Gene chip technology shows potential for identifying life-threatening blood infection

...le inflammation without an underlying infection, a condition also common among ICU patients. New research now suggests that doctors one day could quickly distinguish sepsis from widespread non-infectious inflammation based on genetic profiles of patients' blood. Testing this method in mice, researchers at W...

Therapeutic role found for carbon monoxide

...rial hypertension (PAH), an extremely debilitating condition that typically leads to right heart failure and eventual death. The new findings, made in an animal study led by researchers at Beth Israel Deaconess Medical Center (BIDMC) and the University of Pittsburgh, are described in the September 2006 issue ...

Fish species plays surprise role in aiding coral reef recovery

... One of the most visible signs of a decline in the condition of coral reefs is the widely documented shift from a healthy state in which corals dominate to a weedy state in which algae (so-called “macro algae") dominate. It has been repeatedly demonstrated that this phase shift can be triggered by a loss of al...

Cellular traffic backups implicated in skeletal malformations

... variant of this gene, which causes a craniofacial condition called CLSD (Cranio-Lenticulo-Sutural Dysplasia) with strikingly similar defects to the crusher fish. Although CLSD is a rare syndrome, there are hundreds of human congenital dysmorphologies of the skeleton, some of which might involve defects in t...

Does natural selection drive the evolution of cancer?

... of many different genetic mutants. The second condition is that the variation must be heritable. This, too...hter cells share the same mutations. The final condition is that the variation has to affect fitness, the survival and reproduction of the cells. All of the ...

Exposure to dioxins influences male reproductive system, study of Vietnam veterans concludes

...incidence of cryptorchidism (undescended testes, a condition where the testes are not in their normal location in the scrotum) and hypospadias (abnormality of the urethra). The reason for this increase is not known, but it is thought that these disorders might be caused by environmental chemicals that are ...

Jefferson scientists find high glucose before surgery raises risk of dangerous complications

...developed a pulmonary embolism, a life-threatening condition in which blood clots travel to the lungs, after surgery, a rate that is 6.2 times greater than would be expected in the general population. The researchers report their results on October 15, 2006 at the annual meeting of the American Society of Anes...

New research shows big improvement in survival after stroke

... a positive outcome, showing more knowledge of the condition and how to treat it," says Associate Professor Val...tion, there needs to be increased awareness of the condition and how to reduce risk factors that can lead to strokes, such as elevated blood pressure, smoking, p...

SARS: No evidence that any of the treatments worked

...de the body ('in vitro') and whether it helped the condition of patients and reduced the death rate, especially in those patients who developed a dangerous complication called acute respiratory distress syndrome. Researchers conducted a comprehensive search for information from research studies that fitted c...

Small, smaller, smallest -- The plight of the vaquita

...nings and chosen to blame the vaquita’s precarious condition on the lack of water in the Colorado River ?a result of damming and diversion in the United States. No data have been offered in support of this idea and, in fact, the Upper Gulf remains a very rich and productive ecosystem. Is the vaquita destine...

Study highlights new and cheaper way to treat heroin addiction

... main author, said: "Heroin addiction is a chronic condition requiring long-term medication. Just as with other chronic conditions, such as diabetes or arthritis, there should be a number of treatments available so that doctors and nurses can tailor medication to the needs of each patient. "Methadone shoul...

Drug can quickly mobilize an army of cells to repair injury

...not essential that the treatment act quickly - the condition has been present for months before the patients are treated - and the drug already has FDA approval for medical use. We want to find out if this treatment will lead to long-lasting improvement in blood flow, heal ulcers, relieve pain and prevent ampu...

Researchers identify new weapon to fight deadly bacterial sepsis

...d elderly people are also at a higher risk for the condition because of their weaker immune systems. Now, As...pumping blood properly, the heart just flutters, a condition leading to cardiomyopathy." The drastic drop in the heart's ability to pump blood is dangerous i...

Train your brain to hear your friends at a party

...d undertaking research into deafness, or a related condition such as tinnitus. Most people with a hearing impairment have trouble picking out what someone is saying when they're in a noisy room. Parties or bars are some of the worst places because the level of background noise is high, and so scientists ca...

Molecules in blood foretell development of preeclampsia

...ternal death and often occurs without warning. The condition results in high blood pressure and protein in the ...ure for preeclampsia is delivery of the baby. The condition is estimated to complicate from 3 to 5 percent of all pregnancies. When preeclampsia occurs late i...

Scientists discover way to block growth of prostate cancer cells

...gen peroxide. Peroxide causes oxidative stress, a condition in which cells produce an excess of oxygen-free radicals, which are known to play a key role in cell signalling and prostate cancer development. "These results demonstrate that polyamine oxidation is one of the major causes of androgen-induced oxi...

Researchers seek to design first treatment for neuroAIDS

... enough to re-engage in life and return to work, a condition that often reduces mental function by about 25 percent, and for which there is no approved treatment, deserves attention." A Better Understanding Researchers believe that the virus itself secretes toxins that signal too many human nerve cells to ...

Math model predicts cancer behavior

...ring, invasive projections. By changing a single condition ?oxygen concentration ?the investigators can modulate the tumor's degree of invasiveness, Quaranta said. The findings suggest that current chemotherapy approaches which create a harsh microenvironment in the tumor may leave behind the most aggressi...

Mutant gene causes severe kidney disease in infants

...hrotic syndrome often causes severe scarring and a condition called focal segmental glomerulosclerosis (FSGS), which progresses about 50 percent of the time to end-stage kidney disease and renal failure. PLCE1 is the seventh gene scientists have found to be involved in different types of steroid-resistant n...

UCSF study will test new vaginal microbicide for herpes and HIV

...e potential to treat a serious or life-threatening condition and demonstrates the potential to address unmet medical needs for that condition. ...

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