Tag: "substances" at medical news
Shark-Liver Substance May Slow Growth Of Brain Tumors
...her investigators also are exploring natural shark substances
for use against human diseases, but this is believed to be the first evidence that squalamine may work against brain cancer. Squalus sharks' livers produce an oil used in manufacturing drugs, and small amounts of squalamine are found in shark cartila...
Milk Extract May Heal Wounds And Smooth Wrinkles
...stead they have extracted a fewof the thousands of substances
found in milk, and have found they can greatlyspeed up wound-healing in animals. The extract will soon face its next major test to see if it speeds upthe healing of wounds in humans as well. If it passes that test, the scientists say the extract co...
Cattle: Latest Weapon In The War On Cancer?
...g; just as some specialfoods are now enriched with substances
which protect the consumer againstheart disease, osteoporosis and cancer....
Targon And Duke Cancer Center Sign $3.75 Million Agreement To Produce Advanced Anti-Cancer Drugs
...e targeted delivery of diagnostics and therapeutic substances
directly to disease sites. CYTOGEN has received FDA marketing approval for three different anti-cancer compounds....
Bi-Monthly Boosts Of Aspirin Benefit Heart
...ose proximity toplatelets, red blood cells produce substances
that stimulate platelets andclot-formation. "This red blood cell-platelet interaction may explain why manyindividuals respond to aspirin in a less than optimal fashion," says Marcus. But in their study, researchers found that a singl...
Researchers Study 'Natural' Screen For Cancer
...use of hypericin, which costs much less than other substances
created synthetically to track cancer cells. "Patients who take these other substances
can become photo toxic when in sunlight, for up to one month," explains Rawicz. "Hypericin actually...
Radon, Especially In Combination With Smoking, Contributes To Lung Cancer Deaths
...scored by the committee. Miners inhale many other substances
on the job, making it difficult to separate the effects of radon from other factors that may influence lung cancer rates. Moreover, the miner population studied was all male. The most direct way to assess the effects of radon in homes ...
New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?
...etsdoctors diagnosediseases by comparing levels of substances
in the blood with normal ranges." The type of fMRI the team used shows changes in brain activity due toincreases ordecreases in oxygen concentration. Called blood-oxygen-level dependent (BOLD)fMRI, it isbased on the fact that magnetic properti...
Added Benefit Found For Aspirin Use In Patients With Vessel Disease
...ation of cyclooxygenase-dependentvasoconstrictors, substances
released by the vessel that control itsconstrictio...erelated to blocking the negative effects of these substances
and restoringnormal function of the vessel. Aspirin may now provide another way for physicia...
First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds
...er. Women with abnormal levels of these substances
are usually then referredfor diagnosis by amnioce...e researchers then analyzed thesamples for various substances
often found in abnormal levels in the blood ofwomen pregnant with a fetus with Down syndrome. Among ...
New Treatment Targets Most Malignant Brain Tumors
...roduced by the immune system that recognizeforeign substances
called antigens and attach to them to help destroy... to carry anti-cancer drugs,toxins and radioactive substances
into other cancers, they have not beensuccessfully used in brain tumors. Such efforts have been thwa...
Synthetic Detergent Found To Fight Multi-Drug Resistance
... is notknown. In the kidney it functions by moving substances
from blood in the kidneythrough the wall of a cell and into urine. "For decades the kidney has been identified as playing an important rolein protecting the body from natural and synthetic chemicals in the environment,"says Reithmeie...
18 Millionth Chemical Substance Entered In World's Largest Database Of ChemicalInformation
...n the process,CAS scientists identify new chemical substances
mentioned in new scholarlyreports, and capture them in the CAS Registry file. New chemical substances
are added to the CAS Registry at the rate ofapproximately one new record every 9 seconds. (The grea...
Study Ties Cerebral Palsy To Inflammation And Blood-Clotting Abnormalities
...ists measured the concentrations of many different substances
intiny amounts of archived blood. They found that...esting for abnormally high concentrations of these substances
might one dayallow doctors to identify babies at risk of developing the disorder. If so,they might ...
Treatment For Cancer May No Longer Be As Grim As The Disease
...fects. The livercontains many biochemically active substances
that leak into the body from thedead cells. As a result, patients may become feverish or nauseous. "They feellike they have the flu," says McGahan. And if the treatment damages nerves nearthe liver's surface, patients may feel chest or abdominal pain...
Beyond Pharmaceuticals: Business And Academic Leaders Forecast The Future Of "Combinatorial Chemistry"
..." currently used for delivering nicotine and other substances
throughthe user's skin. Joachim Kohn, a professor of chemistry at Rutgers University, will describe thecreation of a "library" of novel biomaterials based on widely used polymerscalled polyarylates (found, among other places, in liquid crystal watchd...
New drugs, diagnostic tests, software needed to prepare US cities for chemical, biological attacks
...an aggressive program should bedeveloped to locate substances
to repair or limit the damage caused by vesicantssuch as mustard gas, which burn and blister body tissues through contact withthe skin and lungs. Other recommendations include: Improvements in the laboratory and epidemiology capabilities of the Cen...
Far Few Drugs Are Tested On Children
...ferently. For a start, the way the kidney excretes substances
changesin the first few years after birth, with different mechanisms maturing atdifferent times. Because of this, the proportion of a drug that stays in thebloodstream depends on the age of a child. The same applies to the liver, where enzyme...
Improved Medications Can Nip Allergy Season In The Bud
...owing," said Dr.Mohsenifar. "Allergens are complex substances
and, with the cross-breeding ofplants and flowers, people are exposed to an increasing variety of agents thatthey may result in hypersensitivity." Which is why it's even more important tobe aware of the medications available to help manage the signs...
Breakthrough? Study Finds Dopamine Cannot Be Source Of Pleasure In Brain
...ghtman said.It also might help identify less toxic substances
that could ease withdrawal andmake it more successful. "Because nobody ever had a way of making these kinds of measurements, wethink this is really a big jump ahead," he said. "Often it is new technologythat in fact drives new findings in sci...
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