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Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...ntially damage offspring long before they may even meet their future mate.” Males, whether they are mouse or man, generate a constant supply of new sperm from self-renewing spermatogonial stem cells. Yauk, along with colleagues at Health Canada and McMaster University, studied the spermatogonial ste...

Research shows cord blood comparable to matched bone marrow

... more important to invest in cord blood banks that meet certain standards in relation to cell dose (or volume of the transplanted cells) and Human Leukocyte Antigen (HLA) diversity. Human Leukocyte Antigens (HLA) are a group of proteins on bone marrow cells that can provoke the immune system to respond...

Weizmann Institute scientists develop a general 'control switch' for protein activity

...ions of this sort are complicated and do not fully meet the researchers’ needs. Prof. Mordechai “Moti” Liscovitch and graduate student Oran Erster of the Weizmann Institute’s Biological Regulation Department, together with Dr. Miri Eisenstein of Chemical Research Support, have recently developed a unique...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...aise all the relevant research literature, and who meet several times before making treatment recommendations. Such a time frame is clearly not practical in an emergency situation. Holger J. Schünemann and colleagues, authors of the rapidly issued guideline on H5N1 infection, say that it took just one...

Mice with a migraine show signs of brain damage

...e a great deal more oxygen-rich blood available to meet the demand for energy, some parts of the brain still wind up experiencing severe oxygen shortage, or hypoxia. This causes parts of brain cells?sophisticated signaling structures to disintegrate, similar to what occurs when a person has a mini-stroke,...

Protein enables discovery of quantum effect in photosynthesis

...curs when light-induced excitations in the complex meet and interfere constructively ­ much like the interactions that occur between the ripples formed by throwing stones into a pond. The collaboration is a good illustration of interdisciplinary science. The Washington University group's expertise is...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...study to demonstrate that a subset of patients who meet current criteria for defibrillator placement may not benefit at all from ICDs," says Paul Chan, M.D., M.Sc., senior author and a fellow in cardiovascular medicine at the U-M Medical School. "Use of the MTWA test, which has been covered by Medicare si...

Africa's first large-scale HIV vaccine study launches

... level of preventive care for all participants. To meet this commitment, all participants will receive extensive, state-of-the-art risk-reduction counseling on a regular basis throughout the study, and high-quality male and female condoms will be provided to participants. Participants also will be provide...

Cocoa 'vitamin' health benefits could outshine penicillin

...tamins are defined. Epicatechin does not currently meet the criteria. Vitamins are defined as essential to the normal functioning, metabolism, regulation and growth of cells and deficiency is usually linked to disease. At the moment, the science does not support epicatechin having an essential role. But, ...

Robotic therapy helps restore hand use after stroke

... monitoring and assisting the activity in order to meet therapeutic goals. "The HOWARD therapy isn't passive; the patient has to jumpstart the program and initiate the motor command," Cramer said. "But if the hand is weak and can only budge one-tenth of an inch, the robot helps to complete the task so...

Secret of worm's poison pill box protein could produce new natural insecticide

...e been in use for 40 years and are now starting to meet some resistance. This potential new family of protein based insecticides would overcome such resistance as they operate in an entirely different way" ...

Scientists discover new, readily available source of stem cells

.... The AFS cells can also produce mature cells that meet tests of function, which suggests their therapeutic value." The functional tests included implanting neural cells created from AFS cells into mice with a degenerative brain disease. The cells grew and "re-populated" the diseased areas. In additio...

Scientists use nanoparticle to discover disease-causing proteins

...ts natural environment and see where two molecules meet and what the interaction is when they bind. "Taking small samples of blood, cells or tissue to study extracted proteins in laboratory dishes damages the sample and the natural environment is destroyed." The dendrimers would carry one of the sta...

New biofuels process promises to meet all US transportation needs

... use H2CAR to provide a sustainable fuel supply to meet the needs of the entire U.S. transportation sector...e quantity of biomass would provide enough fuel to meet all transportation needs using the new H2CAR method, Agrawal said. "This is possible without usin...

Does God answer prayer? ASU research says 'yes'

...at prayer is effective. Is it effective enough to meet the standards of the American Psychological Association’s Division 12 for empirically validated interventions? No. Thus, we should not be treating clients suffering with depression, for example, only with prayer. To treat depression, standard trea...

Failure to meet United Nations sanitation target could affect millions of the world's poorest

... initiative, a global effort by member nations "to meet the needs of the world's poorest." The target is b...hallenges, Davis said that it is still possible to meet both Target 10 goals, because in recent years new actors, such the Bill and Melinda Gates Foundation...

Study identifies risk factors for spread of respiratory infections in hospitals

...rease the number of hospital beds inside a ward to meet the increasing demand, especially during an epidemic. When the distance between beds is reduced, exhaled droplets can spread from one patient to adjacent patients, spreading infection. Health care staff working while sick are an obvious source of...

Canada's new government invests $200M in the fight against the mountain pine beetle

...llion provided in Budget 2006 to help the industry meet its challenges and ensure a more stable future for forest-based communities and economies. Canada is the world's largest exporter of forest products, with about one third of Canada's potential harvest coming from British Columbia. Canada has 10 p...

Natural gut hormone offers hope for new obesity drug

...e successful, the treatment may be fast tracked to meet the urgent demand to tackle the obesity crisis," she explains. "There is currently a lack of effective treatments and our proposed drug is based on a natural way of controlling the body's appetite, which makes it more attractive." ...

Custom-made cancer cell attacks

...ear. But critics say that corn ethanol alone won't meet the president's goal of 35 billion gallons of alternative fuels in 10 years, because cultivating corn to use only its grain would take up too much land. According to the National Environmental Trust, producing 35 billion gallons of ethanol annually w...

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