الاثنين، 6 يوليو 2015

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Arthritis drug could be used to treat blood cancer sufferers

Posted: 05 Jul 2015 04:47 PM PDT

Scientists have discovered that a common drug given to arthritis sufferers could also help to treat patients with blood cancers, and is one thousandth of the cost of another drug that works in the same way. The discovery may open up cost effective treatment options for cancer patients across the world.

New understanding of retinoblastoma proteins' role in cell death and cancer progression

Posted: 02 Jul 2015 03:38 PM PDT

A new review article focuses on RB role in apoptosis provides a comprehensive overview on the role of RB proteins in the coordinated control of cell decisions.

Genes may not be to blame for link between migraine, heart disease

Posted: 02 Jul 2015 11:23 AM PDT

Genes may not be to blame for the increased risk of heart disease some studies have shown in people with migraine, especially those with migraine with aura, new research shows. Aura are sensations that come before the headache, often visual disturbances such as flashing lights.

Researchers test fecal transplantation to treat ulcerative colitis

Posted: 02 Jul 2015 10:28 AM PDT

A research team recruited 75 patients with a flare up of their ulcerative colitis and randomized them to fecal transplant therapy given as an enema derived from stool donated by an anonymous healthy donor, and placebo.

Genetic variation determines response to anti-diabetic drug

Posted: 02 Jul 2015 10:27 AM PDT

In the first study of its kind, researchers have shown how an anti-diabetic drug can have variable effects depending on small natural differences in DNA sequence between individuals. They aim to apply this knowledge to develop personalized approaches to treating diabetes and other metabolic disorders.

New technique maps elusive chemical markers on proteins

Posted: 02 Jul 2015 10:18 AM PDT

Unveiling how the 20,000 or so proteins in the human body work -- and malfunction -- is the key to understanding much of health and disease. Now, researchers have developed a new technique that allows scientists to better understand an elusive step critical in protein formation.

Discovery points to a new path toward a universal flu vaccine

Posted: 02 Jul 2015 10:17 AM PDT

The conventional flu vaccine protects only against a few specific strains of flu. However, experiments show that by including modified antibodies within the vaccine it may be possible to elicit broad protection against many strains simultaneously.

Cancer survivors who smoke perceive less risk from tobacco

Posted: 02 Jul 2015 10:15 AM PDT

Cancer survivors who smoke report fewer negative opinions about smoking, have more barriers to quitting, and are around other smokers more often than survivors who had quit before or after their diagnosis.

Scientists adapt household products to dupe and trap deadly disease-carrying insects in africa

Posted: 02 Jul 2015 07:42 AM PDT

Mosquitoes transmit malaria, West Nile virus and chikungunya virus. Monitoring these insects is critical to understanding when and where to control them and lessen the risk of human disease. Insect experts the world over use carbon dioxide, the same gas that humans exhale, to attract blood-feeding bugs to traps, so they can measure their abundance, test them for diseases and make decisions about whether or not to control them.

In blinding eye disease, trash-collecting cells go awry, accelerate damage

Posted: 02 Jul 2015 04:39 AM PDT

Spider-like cells inside the brain, spinal cord and eye hunt for invaders, capturing and then devouring them. These cells, called microglia, often play a beneficial role by helping to clear trash and protect the central nervous system against infection. But a new study shows that they also accelerate damage wrought by blinding eye disorders, such as retinitis pigmentosa.

Latent virus and life expectancy

Posted: 02 Jul 2015 04:39 AM PDT

Molecular, cellular and clinical changes that arise from an infection with a latent virus can result in a decrease in longevity.

Elastic gel to heal wounds

Posted: 02 Jul 2015 04:36 AM PDT

A team of bioengineers has developed a new protein-based gel that, when exposed to light, mimics many of the properties of elastic tissue, such as skin and blood vessels. They now report on the new material's key properties, many of which can be finely tuned, and on the results of using the material in preclinical models of wound healing.

Experts call for 'all hands on deck' to tackle global burden of non-communicable disease

Posted: 02 Jul 2015 04:35 AM PDT

A group of the world's top doctors and scientists working in cardiology and preventive medicine have issued a call to action to tackle the global problem of deaths from non-communicable diseases, such as heart problems, diabetes and cancer, through healthy lifestyle initiatives. Their suggestions aim to prevent or delay health conditions that cause the deaths of over 36 million people worldwide each year.

Simple classroom measures may reduce the impact of ADHD

Posted: 01 Jul 2015 06:45 PM PDT

A systematic review has concluded that non-drug interventions in schools may be effective in improving outcomes such as performance in standardized tests for children with ADHD. However, the research also found so many different types of strategies, often combined in different ways and so many different ways of measuring whether they worked, that it was that it was impossible to clearly identify what works best.

Decoding the statistical language of the brain

Posted: 01 Jul 2015 09:44 AM PDT

Researchers have developed ways to measure both the objective probability density functions for a simple motor task and the corresponding subjective probability density functions.

Doctors use 3D printed model to guide tricky heart valve replacement

Posted: 01 Jul 2015 09:44 AM PDT

Doctors used a 3-D model of a patient's heart to guide a tricky minimally-invasive valve replacement. The patient was not a candidate for traditional surgery due his heart's unique anatomy and previous surgeries. Doctors practiced with the 3-D heart model before the actual procedure to make sure the valve would fit, which it did. The patient is now back to work after having the procedure and looking forward to planning a trip to Europe.

Men with 'low testosterone' have higher rates of depression

Posted: 01 Jul 2015 09:36 AM PDT

Researchers found that men referred for tertiary care for borderline testosterone levels had much higher rates of depression and depressive symptoms than those of the general population.

Extreme heat, precipitation are increasing Salmonella infections, study shows

Posted: 01 Jul 2015 09:36 AM PDT

Extreme heat and precipitation events, which are expected to increase in frequency and intensity due to climate change, are associated with increased risk of salmonella infections, according to a study. The study is the first to provide empirical evidence that salmonella infections related to extreme weather events are disproportionately impacting those living in the coastal areas of Maryland.

Gene responsible for some cases of male infertility identified

Posted: 01 Jul 2015 09:36 AM PDT

Oftentimes men with a type of infertility called azoospermia don't know the underlying cause of their condition. But new research suggests that mutations in an X chromosome gene called TEX11 are responsible for a significant number of cases of infertility -- an estimated 1 percent of cases of non-obstructive azoospermia.

New drug for neuroblastoma shows promise in phase I study

Posted: 01 Jul 2015 09:36 AM PDT

Researchers have completed the first clinical trial of a new treatment for children suffering from neuroblastoma. The clinical trial showed minimal side effects with long-term survival of three patients. This is the first clinical study of an oral dosing form of DFMO in any pediatric population.

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