Tag: "mimic" at medical news

New Drug For Parkinson's Disease Proves Effective, Study Finds

...a family of drugsknown as dopamine agonists, which mimic dopamine and stimulatebrain cells just as the natural neurotransmitter would. Dopamineagonists on the market today include bromocriptene (brand name Parlodel) and pergolide (Permax).Doctors use the drugs to alleviate symptoms and also to smooth out t...

Mother's Milk: Nutrition And Nurture For Infants -- And The Best Defense Against Disease

...ation is that certain antibodies inbreast milk may mimic bacterial and viral proteins. Such mimicry would have theeffect of priming the infant immune system to respond more vigorously when laterexposed to actual pathogen proteins. A number of studies over the last decade have also revealed the pres...

Chemist Turns To Self-Assembly To Create New Drugs

...biodiversity generator, and they've found a way to mimic thisprocess in the laboratory." Miller's technique relies on atoms of transition metals,such as zinc or cadmium, to build vast libraries of thousands ofpotential drugs. Just as a skilled host can facilitatesocializing between strangers at a cock...

X-Rays: How Big A Risk To Kids? UF Researchers Seek Answers

...a polyester resin mixed with chemical compounds to mimic soft organ,lung and bone tissue under an X-ray. "They absorb X-rays just like the real tissues would," said DavidHintenlang, Kathleen Hintenlang's husband and a professor in the nuclearand radiological engineering department and specialist in...

New Drug Prevents Breast Cancer In Postmenopausal Women, UCSF Researchers Report

... estrogen in sometissues, such as the breasts, and mimic estrogen in other tissues, such as thebones. "Dur... woman's bones and cholestoral levels, yetdoes not mimic estrogen's adverse effects on her breasts and uterus. Estrogen acts by binding to structures called ...

Novel Therapy Significantly Reduces Spinal Fractures In Postmenopausal WomenWith Two Years Of Therapy

... estrogen in some tissues, such asthe breasts, and mimic estrogen in other tissues, such as the bones.Raloxifene is similar to other SERMS, such as tamoxifen, because it has apositive, estrogen-like effect on a woman's bones and cholesterol levels. However, raloxifene differs from tamoxifen and estrogen be...

Some CFS Patients Benefit From Low-Dose Steroid, But Side Effects Too Risky

...he other half a placebo. The researchers tried to mimic thenatural diurnal fluctuations in cortisol levels by giving two doses of treatmentor placebo daily (a larger dose early in the morning and a smaller dose inmid-afternoon, equivalent to a total of about 25 to 35 milligrams ofhydrocortisone per day). ...

Electronic Nose Inspects Cheese, Hints At Human Sense Of Smell

... Designers of electronic noses have tried to mimic humannoses by linking together sensors that detect a variety of volatile compounds. "We wanted to prove whether the technology was real -- whether we could diffe...

How HIV Evades AZT

...he finger nearest to it. Most drugs that target RT mimic nucleotides. When the drugs are incorporated into DNA strands in the place of normal nucleotides, the strands stop growing, and this effectively stops viral replication. Mutations that confer resistance to AZT and other nucleotide analogs occur in th...

Signal Pharmaceuticals Announces Positive Results In Preclinical Study Of Novel Drug Leads For Treatment Of Osteoporosis

...to as 'designer estrogens.' SERMs are designed to mimic the positive effects ofestrogen by inhibiting bone loss in postmenopausal women, while avoiding some ofestrogen's adverse effects such as increased risk of breast and uterine cancer. Moreover, studies have demonstrated that some SERMs, such as Zeneca...

Novel Biological Interaction Found To Explain Blood Vessel Growth To Tumors

...d as a target to find small molecules, which could mimic angiostatin,but could be taken orally, and perhaps would be easier to manufacture,"according to Dr. Judah Folkman, a cancer researcher at Children's Hospital inBoston who pioneered angiostatin research. "If such small molecules aredeveloped, they ma...

Cut Nerve Fibers Are Repaired In An Animal Model of Spinal Cord Injury; May Help Repair Nerve Damage In Humans

...he axons had been joined in calcium solutions that mimic the saltcomposition of mammalian body fluids. They found that within two to 30 minutesmany of the once-severed axons regained their ability to transmit electricalimpulses through the lesion site. They then applied a biological adhesive (aPEG-hydrog...

Inhibiting Growth Of New Blood Vessels Reduces Heart Disease Plaque In Mice

...ent were fed a "Western diet," which is designedto mimic the cholesterol content of the typical diet eaten in the United States.The amount of plaque the mice developed was measured in the aorta, the largeartery that carries blood from the heart to the rest of the body. A group of 20-week-old mice w...

Female Soccer Players Perform Best On A High-Fat Diet, UB Study Finds

...e diets. Endurance testing was designed to mimic soccer play, using constantspeed running and running at different rates on a treadmill, plus forwardrunning with a side-step maneuver performed on a force plate. The athletes weretested until exhaustion on the seventh day of each diet. Treadmill sp...

Compound That Mimics Insulin Might Lead To Pill For Diabetes, As Reported In The 7 May Issue Of Science

...eported in the 7 May issue of Science , appears to mimic the effects of insulin, at least in mice--but,unlike insulin, it can be swallowed instead of injected. A pill developed fromthis substance could be a welcome alternative to the insulin injections orrigorous lifestyle monitoring that are currently par...

UI Researchers Identify Possible Reason For Rare, Accelerated Aging Condition

...ells are ideal for the study of aging because they mimic the agingprocess without the time it would take in normal models. Investigating theprocess would require three years in mice and 40 years in monkeys, Oberley said.The progeria research, by contrast, took three months. In their investigation, the UI ...

Birthmarks best treated with red laser light

...utch physicists developed a model enabling them to mimic the effect of various differenttypes of laser light. They found that laser light at the wavelength of 585 nanometres currently usedcould hardly reach the centre of the large blood vessels. By choosing a slightly different colour, for example 590 nano...

UCSF study finds that an osteoporosis prevention drug reduces the risk of breast cancer by 76 percent in postmenopausal women

...trogen in someparts of the body--for example SERMS mimic the positive effects of estrogen on awoman's bones and cholesterol levels--while inhibiting estrogen's "bad" effectson a woman's risk of breast cancer. One of the most significant benefits of raloxifene is that it reduces the riskof breast cancer amo...

OSU Medical Center uses robotic heart surgery technique

... hold specially designed surgical instruments that mimic the actual movement of the surgeon's hands on the joysticks. Using the robotic technology, only three holes - each about the diameter of a pencil - are needed to complete the...

Novel neural net recognizes spoken words better than human listeners

... humanears. Neural nets are computing devices that mimic the way brains process information. Speaker-indepe...nd Liaw created computer chip neurons that closely mimic the signalingbehavior of living cells, those of the hippocampus, the brain structureinvolved in asso...

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