Tag: "biological" at medical news

Early Menopause Stress Related In Developing Countries

...cles will be exhausted, and they will enter true, biological menopause. Holman notes that improved nutrition, better medical care and fewer pregnancies will all occur as these countries develop, and the age at menopause will increase approaching that of the United States. "One consideration of this phe...

Duke Study Uses Tiny Temperature Changes To Probe Water-Exclusion At Protein Binding Sites

...ation. Molecular binding events control many biological processes within ourbodies, from the activity of e...inding sites. Pharmaceuticalresearchers can elicit biological effects by designing drugs to link upwith proteins just as natural ligands do. But in the process th...

Antimicrobial "Bug Spray" Found In Human Lung Cells

...," says Pete Pedersen, Ph.D., Hopkins professor of biological chemistry. "But lung cells apparently have their own first-line defense mechanism--they shoot out one or more peptides that kill bacteria." After the first such compounds were identified in cells from frog skin and cow throats by researchers a...

Common Drug-Capsule Coating Not As Inert As Previously Thought

...rt, steric barrier that prevents proteinsand other biological materials from sticking to foreign or man-made mat...tings. But if your assumptions about what confers biological activity-- or the lack of biological activity -- are incorrect, you can easily headoff in a wrong di...

'Bathtub' Equation Aids Diabetes Research

... in applying engineering approaches to the studyof biological systems," she explains. "Diabetes is a disease that lendsitself well to using mathematical modelling and numerical approaches, whichcan add novel insights into the disease processes." Her initial research focused on the role of insulin, which allows ...

Affordable, Hand-Held Biosensor For Diagnostics

...new biosensor is able to detectmany of the classic biological reactions that involve the recognition andbinding of one molecule to another partner molecule. In their tests, for example, the biosensor was able to match tinyconcentrations of specific DNA sequences to its complementary strand, suggestinga ...

Radon, Especially In Combination With Smoking, Contributes To Lung Cancer Deaths

...e sixth in a series by the Research Council on the biological effects of ionizing radiation. The report examines data from 11 major studies of underground miners exposed to radon, and new epidemiological data on lung cancer in the general population. Based on these studies, which provide substantially more in...

Compound In Meat Prevents Diabetes, Study Suggests

...ured slightly differently and may have a different biological function. The researchers hypothesized that CLA might also have an effect on PPAR- gamma , and they found that it did. Maureen Charron, diabetes researcher and associate professor of biochemistry at the Albert Einstein College of Medicine at Yeshiva ...

Extreme Fatigue Increases Risk Of Blood Clot Formation

...fibrinolysis. Impaired fibrinolysis may provide a biological link explaining the association between feelings of exhaustion and future heart attacks, Kop and his co-workers propose. Assessing extreme fatigue may help to detect patients at risk for impending heart attacks, especially among individuals who alre...

How Can Parents Treat Colic In Their Babies?

...ause of colic is still far from clear, but several biological and social factors have been suggested, such as an allergy to cows' milk. In this week's BMJ Dr Lucassen et al from the Netherlands report that attempts to treat infantile colic should begin by substituting cow's milk with hypoallergenic formula mil...

Mice Free Of Anxiety By A Deficient Stress Hormone Receptor--A Hint For A NewTherapeutic Regimen In The Treatment Of Depression And Anxiety

...dels, in patients with depression, andby molecular biological examinations that the negative feed back loop of the HPAaxis is altered and that cortisol is unable to suppress CRH secretion. Theelevated CRH level is probably responsible for the symptoms of depression. Asnow published in Nature Genetics, the rese...

Three INEEL Inventions Win International Recognition

...e discovery that malting ofcereal grains activates biological compounds that functions to protect the plantagainst disease caused by bacteria and fungi. These protective mechanisms occurnaturally during germination, which malting simulates. The Malt-based Antimicrobial offers the application breadth of chemical...

By Losing (Molecular) Weight, A Clot-Dissolving Drug May Be In Better Shape To Help People Avoid A Repeat Heart Attack

...parin. But we do believe we have identified a new biological prognosis markerof unstable chest pain." Co-authors are Francois Philippe, M.D.; Annick Ankri, M.D.; Eric Vicaut, M.D.,Ph.D.; Etienne Bearez, M.D.; Jean Ernest Poulard, M.D.; Didier Carrie, M.D.;Albert Dutoit, M.D.; Daniel Flammang, M.D.; Alain Caray...

Drug Reduces Heart Attack, Death Rates In Patients With Unstable Angina

...y ofplatelet response to the drug showed a similar biological response in men andwomen. The researchers hypothesize the geographic differences are due to thewidely divergent clinical practices among countries and to differences inpatient populations. For example, approximately 80 percent of U.S. heartpa...

Study Captures Images Of Memories Being Formed Within The Human Brain

...n the brain. "This study provides a firmer biological underpinning for the conceptthat how we encode information is key to whether or not it is remembered," saidDaniel Schacter, chairman of psychology at Harvard and a co-author of the study."It is the first work to tie the creation of a specific verbal ...

Education Linked To Good Health Habits, Even In Old Age

...ciationwith many individual-level psychosocial and biological factors where theseeffects are evident even in late life," writes Laura D. Kubzansky, PhD, and hercolleagues in the September-October issue of Psychosomatic Medicine. "Theseimportant findings link education, which is generally defined in youngadultho...

UNC Researchers Find Drug-Resistant HIV In Semen

...to immeasurablelevels, both in the blood and other biological compartments, specifically thegenital tract," Eron says. "We also need to understand more about our drugs. Inother words, do our drugs get into the genital tract both in men and women? Isthere some block to that, and are they getting in at levels hig...

Altered Brain Chemistry In Bulimia Nervosa Patients Persists After Recovery, According To UPMC Researchers

...400 women andmen with the disorder who also have a biological relative with similar eatingconcerns or problems. These relative pairs will provide blood samples forgenetic analysis and will be interviewed about their disorder. These sites areseeking people with bulimia nervosa who have a relative with an eatin...

University Of Pittsburgh Chosen By NCI As One Of Three Pioneer Sites ForBiocombinatorial Chemistry Research

...libraries" of organic compounds used fortesting in biological systems. This initiative, conceived to di...specificcompound structure is best at disrupting a biological pathway." "Biocombinatorial chemistry has particular importance for diseases likecancer, wh...

Discovery: Experiments Confirm Novel Eye Pigment Controls Circadian Rhythm

...CRY), drivesmammals' circadian rhythm, the 24-hour biological timer that regulates numerousbodily functions, Sancar said. Those processes -- synchronized to light and darkby light at dawn -- range from body temperature and blood pressure regulation tointellectual performance, sleep and wakefulness. A re...

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