الاثنين، 13 يناير 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Non-coding DNA implicated in type 2 diabetes

Posted: 12 Jan 2014 04:08 PM PST

Variations in non-coding sections of the genome might be important contributors to type 2 diabetes risk, according to a new study.

Ultrasound directed to the human brain can boost sensory performance

Posted: 12 Jan 2014 04:07 PM PST

Scientists have demonstrated that ultrasound directed to a specific region of the brain can boost performance in sensory discrimination.

Designer 'Swiss-army-knife' molecule captures RNA from single cells in their natural tissue environment

Posted: 12 Jan 2014 04:07 PM PST

A multi-disciplinary team have published a first-of-its-kind way to isolate RNA from live cells in their natural tissue microenvironment without damaging nearby cells. This allows the researchers to analyze how cell-to-cell chemical connections influence individual cell function and overall protein production.

It's all coming back to me now: Researchers find caffeine enhances memory

Posted: 12 Jan 2014 04:07 PM PST

Caffeine is the energy boost of choice for millions. Now, however, researchers have found another use for the stimulant: memory enhancer.

Researchers develop tool to determine individual risk of prostate cancer overdiagnosis

Posted: 09 Jan 2014 02:54 PM PST

Studies have found that prostate cancer is over-diagnosed in up to 42 percent of cases, prompting men to receive unnecessary treatment that can cause devastating side effects, including impotence and incontinence. Now, researchers have developed a personalized tool that can predict the likelihood of prostate cancer over-diagnosis.

Researchers find comparable long-term outcomes between diastolic, systolic heart failure patients

Posted: 09 Jan 2014 10:24 AM PST

A new study has found comparable long-term outcomes between congestive heart failure patients with preserved ejection fraction commonly known as "diastolic heart failure" and congestive heart failure with reduced ejection fraction also known as "systolic heart failure."

Myotonic dystrophy disrupts normal control of gene expression in heart

Posted: 09 Jan 2014 10:23 AM PST

Disruption of a transcription network controlled by MEF2 in heart tissue of people with myotonic dystrophy type 1 affects activity of the minute bits of genetic material called microRNAs responsible for fine-tuning expression of proteins.

Potential approach to prevent infection in patients with liver failure

Posted: 09 Jan 2014 10:22 AM PST

Findings published indicate that infection, the most common cause of mortality in patients with acute liver failure (ALF), may be decreased by inhibiting the activity of a protein found in saliva called SLPI (secretory leukocyte protease inhibitor). New research has found that this protein, produced by the body in response to injury, plays a vital role in patients with ALF. Acute liver failure occurs when there is rapid death of liver cells (hepatocytes).

Why is type 2 diabetes an increasing problem?

Posted: 09 Jan 2014 10:22 AM PST

Contrary to a common belief, researchers have shown that genetic regions associated with increased risk of type 2 diabetes were unlikely to have been beneficial to people at stages through human evolution.

Minorities, poor have more advanced thyroid cancers when diagnosed

Posted: 09 Jan 2014 10:21 AM PST

Researchers have found that minority patients and those of lower socioeconomic status are far more likely to have advanced thyroid cancer when they are diagnosed with the disease than white patients and those in higher economic brackets. In one of the most comprehensive studies of its kind, the team looked at nearly 26,000 patients with well-differentiated thyroid cancer and analyzed the impact of race and socioeconomic factors on the stage of presentation, as well as patient survival rates.
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