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Tag: "condition" at biology news

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

...s with blockages in the arteries of their legs --a condition called peripheral vascular disease (PVD). Individuals with PVD have decreased blood flow to the muscles ofthe legs, especially during exercise, which causes pain, aching,cramping or fatigue in the muscles of their legs when they walk. Thiscondition ...

Fox Chase Cancer Center scientists identify immune-system mutation

...e with severe combined immune deficiency (SCID), a condition that also affects humans. In addition to providing a unique animal model to study the SCID syndrome, SCID mice have become a highly valuable tool for studying the immune system and are now used by scientists worldwide. Kappes' co-authors on the new ...

U-M scientist to talk about tissue engineering at AAAS

... hormone is given to patients with osteoporosis, a condition in which bone quality declines leaving them fragile and prone to breaking. Parathyroid hormone stimulates bone growth in these patients, and Krebsbach sees potential to use it for similar gains in tissue engineering new bone. Bone morphogenetic prot...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

...ical Center. Retinitis pigmentosa is a pathologic condition that is hereditary and causes progressive retinal degeneration in both eyes. It is a general term for a number of diseases that predominantly affect the photoreceptor layer or "light sensing" cells of the retina. Night blindness develops, usually in ...

Mouse brain tumors mimic those in human genetic disorder

...ofibromatosis 1 (NF1)successfully mimics the human condition and provides unique insightinto tumor development, diagnosis and treatment, according toresearchers at Washington University School of Medicine in St. Louis.After validating their animal model, the team made two importantdiscoveries: New blood vessel...

Gene variations explain drug dose required to control seizures

...s have long recognized that patients with the same condition differ in their responses to the same drugs," said neurologist and epilepsy specialist Sanjay Sisodiya, M.D., leader of the University College London effort and co-author of the study. "This study establishes the principle that genetic differences be...

Development of portable infectious disease detector

... similar to how diabetes patientscan monitor their condition since the introduction of home bloodglucose detectors." The collaboration's goal is to produce its firstportable HIV monitor within two years. In addition to such "point ofcare" devices, Wikswo and Pyle are joining forces to develop"high-throughput" ...

New insight into people who 'see' colors in letters and numbers

...r findings lend support to the hypothesis that the condition is due to cross-activation between adjacent brain ...tween the areas in the developing brain. The rare condition called synesthesia--in which people's sensory perceptual circuitry seems to be miswired--was long di...

Implanted Devices Detect High-Risk Heart Failure Patients

...bility would improve as well." Heart failure is a condition marked by the inability of the heart muscles to pump enough oxygen and nutrients in the blood to the body's tissues. Also known as congestive heart failure, its many causes include infections of the heart, coronary artery disease, high blood pressure...

Antibiotic might fight HIV-induced neurological problems

...howed any signs of encephalitis, and that monkey's condition was deemed mild by a set of standard measures. After the same amount of time -- 84 days after infection -- five of the six untreated monkeys had evidence of moderate or severe encephalitis and much more physical evidence of damage to brain cells, the...

US life expectancy about to decline, researchers say

...ses the prospect of heart attack becoming a common condition of young adulthood." The authors expect that this study will raise awareness of the importance of increased funding for obesity research and treatment, especially in children. They also point out that new investment into the Social Security system, ...

How the environment could be damaging men's reproductive health

...were followed up, reducing the overall rate of the condition from 5.7% to 1.4%. Dr Niels Jorgensen, one of the authors, said the study was significant because existing data on male reproductive health in Lithuania showed that the incidence of testicular cancer was one of the lowest in Europe and that semen qu...

Dead zone area in Gulf could be increasing, researchers say

...gust and October to collect more data and see what condition the dead zone area is at that time." ...

Discovery Promises Simpler Therapy for Sickle Cell Disease

... the causes for symptoms of sickle cell disease, a condition affecting one in every 600 African-Americans, has resulted from a study by researchers at Duke University Medical Center and Howard Hughes Medical Institute (HHMI). Their findings may lead to a new, more direct method for treating the disease, they s...

New lab technique identifies high levels of pathogens in therapy pool

...ants ill with hypersensitivity pneumonitis, a lung condition that mimics pneumonia symptoms. The study was published in the March 14 issue of the Proceedings of the National Academy of Sciences. The paper was authored by Lars Angenent of Washington University; Norman Pace, Mark Hernandez and Allison Amand of ...

Discovery may lead to better Candidiasis drug

...DS. Thrush also affects many denture wearers. The condition can be treated with antifungal medication in otherwise healthy people, said Edgerton, but it is difficult to treat in persons with compromised immunity and can be deadly if it infects vital organs. Researchers were aware that histatin usually can ke...

Mystery Blood Vessel Disorder Implicated In 'Mini' Strokes

Physicians have long been puzzled by a condition called intracranial arterial dolichoectasia, in which the larger arteries of the brain become elongated and misshapen. Typically, it has been considered a complication of atherosclerosis ("hardening of the arteries"), and not directly life-threatenin...

Duke engineers develop new 3-D cardiac imaging probe

...considerable potential not only for evaluating the condition of the heart, but also for use in guiding therapeu...ultrasound heart images. The images can reveal the condition of the heart chambers, valves, major blood vessels and heart tissue. TEE is a safe and fast diagnost...

NSAID drug protects against intestinal tumors in mice, despite poor diet and gene losses

... is responsible for an inherited colorectal cancer condition known as FAP (familial adenomatous polyposis), in which patients develop hundreds of potentially precancerous polyps. They found that on the AIN-76A diet, loss of one APC gene but retention of the "wild-type" (normal) p27 genes was enough to induce ...

Elephant seal pups suffer from ocean warming

Ocean warming has a negative impact on the condition of elephant seals, reveals a study published in th...e is based on the article: Ocean climate and seal condition Burney J Le Boeuf, Daniel E Crocker BMC Biology 2005, 3:9 (28 March 2005) This article is available...

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