Thursday, August 26, 2010

Medical News

Medical News


Cannabis use plus childhood trauma greatly increase childhood psychosis risk

Posted: 26 Aug 2010 05:00 PM PDT

A combination of cannabis use and childhood trauma increases the risk for psychotic symptoms in adolescence to a greater extent than would be expected from the additive effect of these two risk factors alone, researchers have found.

Manic episodes linked to grey matter reduction in bipolar disorder

Posted: 26 Aug 2010 05:00 PM PDT

Scandinavian researchers have found significant correlation between the number of manic episodes experienced and the extent of grey matter volume reduction in patients with bipolar disorder.

Children with celiac disease have high levels of oxidative DNA damage

Posted: 26 Aug 2010 05:00 PM PDT

Children with celiac disease have higher than normal levels of the oxidative DNA damage biomarkers urinary 8-oxodG and 8-oxoGua, regardless of their diet, report researchers.

Children with celiac disease have high levels of oxidative DNA damage

Posted: 26 Aug 2010 05:00 PM PDT

Children with celiac disease have higher than normal levels of the oxidative DNA damage biomarkers urinary 8-oxodG and 8-oxoGua, regardless of their diet, report researchers.

Thromboembolic risk factors determined in patients with atrial fibrillation

Posted: 25 Aug 2010 05:00 PM PDT

Advanced age, low left atrial appendage velocity, and variation in the Factor V gene predict left atrial thrombosis in patients with non-valvular atrial fibrillation, researchers report.

Antagonistic personality linked to arterial thickening

Posted: 25 Aug 2010 05:00 PM PDT

People who are antagonistic towards others have greater increases in carotid artery thickening over time than their more agreeable peers, researchers report.

Urine protein test represents novel biomarker for prostate cancer

Posted: 25 Aug 2010 05:00 PM PDT

UK researchers have identified a novel urinary biomarker for the detection of prostate cancer.

Careful patient selection for active surveillance reduces treatment need

Posted: 25 Aug 2010 05:00 PM PDT

Prostate cancer patients are unlikely to require definitive treatment after undergoing active surveillance if they are selected on the basis of strict low-risk criteria, suggest US researchers.

Urine protein test represents novel biomarker for prostate cancer

Posted: 25 Aug 2010 05:00 PM PDT

UK researchers have identified a novel urinary biomarker for the detection of prostate cancer.

Careful patient selection for active surveillance reduces treatment need

Posted: 25 Aug 2010 05:00 PM PDT

Prostate cancer patients are unlikely to require definitive treatment after undergoing active surveillance if they are selected on the basis of strict low-risk criteria, suggest US researchers.

Purification of BRCA2 protein allows understanding of its role in DNA repair

Posted: 25 Aug 2010 05:00 PM PDT

By purifying the breast cancer type 2 protein, researchers have established that it enhances the functions of the RecA homolog, E. coli protein, which is essential for recombinational repair of DNA breaks.

Gene expression in adipose tissue linked with metabolic traits

Posted: 25 Aug 2010 05:00 PM PDT

Dutch researchers have identified a number of genes that are differentially expressed in subcutaneous and visceral adipose tissue, and are associated with blood lipid levels.

Switching to less potent statin after ACS linked to adverse outcomes

Posted: 25 Aug 2010 05:00 PM PDT

Patients with acute coronary syndromes who switch from intensive to moderate statin therapy are at increased risk for mortality, repeat myocardial infarction, and stroke, a study suggests.

Mitral valve surgery linked to improved glucose metabolism

Posted: 25 Aug 2010 05:00 PM PDT

Patients who undergo surgical intervention for mitral valve disease may experience improvements in glucose metabolism and insulin resistance due to a reduction in atrial natriuretic peptide and free fatty acid levels, Italian researchers suggest.

Leisure-time physical activity protects against Type 2 diabetes long term

Posted: 25 Aug 2010 05:00 PM PDT

Regular, moderate-to-high levels of leisure-time physical activity have a significant protective effect against Type 2 diabetes in the long term, show study results.

Dark chocolate linked to reduced heart failure risk

Posted: 25 Aug 2010 05:00 PM PDT

Middle-aged and elderly women who consume moderate amounts of high-cocoa-content-chocolate have a reduced risk for heart failure, study findings suggest.

Heart failure treatment delays vary widely

Posted: 25 Aug 2010 05:00 PM PDT

Delays in the time to treatment – from symptom onset to hospital admission – vary widely for patients with heart failure, say the authors of a literature review published in the European Journal of Heart Failure.

Purification of BRCA2 protein allows understanding of its role in DNA repair

Posted: 25 Aug 2010 05:00 PM PDT

By purifying the breast cancer type 2 protein, researchers have established that it enhances the functions of the RecA homolog, E. coli protein, which is essential for recombinational repair of DNA breaks.

Initial treatment choice influences overall cost of prostate cancer

Posted: 24 Aug 2010 05:00 PM PDT

The financial costs of treatment for prostate cancer vary according to the initial treatment that patients receive, report researchers, who add that the impact lasts beyond the short-term costs.

Reduced survival for HER2, estrogen receptor positive breast cancer

Posted: 24 Aug 2010 05:00 PM PDT

The association of human epidermal growth factor receptor 2 positivity with poor breast cancer prognosis is confined to patients that also have positive lymph nodes and estrogen receptor status, results of a UK population based study show.

Bcl-2 protein expression could indicate prostate resistance to radiotherapy

Posted: 23 Aug 2010 05:00 PM PDT

Patients with prostate tumors that express the anti-apoptotic protein B-cell lymphoma 2 experience a shorter time to biochemical failure after radiotherapy compared with men whose tumors do not express the protein, study results show.

Prostate length predicts urinary problems after brachytherapy

Posted: 23 Aug 2010 05:00 PM PDT

The length of a man's prostate could help predict the likelihood of him experiencing urinary problems after receiving brachytherapy for prostate cancer, report researchers.

Hormone receptor status predicts response to neoadjuvant chemotherapy

Posted: 23 Aug 2010 05:00 PM PDT

Breast cancer hormone receptor status predicts total and breast pathologic complete response rates after neoadjuvant chemotherapy, US researchers report.

Familial prostate cancer risk influenced by screening awareness

Posted: 22 Aug 2010 05:00 PM PDT

Men with first-degree relatives who have prostate cancer are more likely to undergo prostate-specific antigen screening than those with no family history, report researchers who believe that the finding may bias the results of genetic studies investigating familial prostate cancer risk.

Loading, high-dose fulvestrant regimens do not improve efficacy

Posted: 22 Aug 2010 05:00 PM PDT

Increasing the approved dose of fulvestrant does not appear to improve the efficacy of treatment for recurrent breast cancer, results of a phase II clinical trial indicate.

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