Vitamins: stop taking the pills

This article was corrected on 7 June 2013. During editing, a line in the fifth from last paragraph, beginning 'Another example is St John's wort…' was accidentally transposed, leading to the suggestion that serotonin was a medicine rather than a brain chemical.Alternative medicineHealth &wellbeingHealthCancerCancerMedical researchPharmaceuticals industryDepressionguardian.co.uk © 2013 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our Terms &Conditions | More Feeds    
Source: Guardian Unlimited Science - Category: Science Tags: The Guardian Depression Pharmaceuticals industry Health Medical research & wellbeing Society Extracts Features Cancer Life and style Alternative medicine Science Source Type: news

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SMAD4 is the only common SMAD in TGF-β signaling that usually impedes immune cell activation in the tumor microenvironment. However, we demonstrated here that selective deletion of Smad4 in NK cells actually led to dramatically reduced tumor cell rejection and augmented tumor cell metastases, reduced murine CMV clearance, as well as impeded NK cell homeostasis and maturation. This was associated with a downregulation of granzyme B (Gzmb), Kit, and Prdm1 in Smad4-deficient NK cells. We further unveiled the mechanism by which SMAD4 promotes Gzmb expression. Gzmb was identified as a direct target of a transcriptional com...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
The stroma of solid tumors can exclude or limit immune infiltration, or lead to the recruitment of tumor-promoting rather than tumor-attacking immune cells. This finding was reported by Jayaprakash et al. in this issue of the JCI, and it was particularly prominent in the hypoxic zones of tumors in the transgenic adenocarcinoma of the mouse prostate (TRAMP) cancer models. A current clinical goal of immune checkpoint blockade (ICB) is to extend its utility to more patients by converting immunologically “cold” tumors that do not provoke a strong immunological response to “hot” tumors that are invaded b...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
Despite the success of immune checkpoint blockade against melanoma, many “cold” tumors like prostate cancer remain unresponsive. We found that hypoxic zones were prevalent across preclinical prostate cancer and resisted T cell infiltration even in the context of CTLA-4 and PD-1 blockade. We demonstrated that the hypoxia-activated prodrug TH-302 reduces or eliminates hypoxia in these tumors. Combination therapy with this hypoxia-prodrug and checkpoint blockade cooperated to cure more than 80% of tumors in the transgenic adenocarcinoma of the mouse prostate–derived (TRAMP-derived) TRAMP-C2 model. Immunofluo...
Source: Journal of Clinical Investigation - Category: Biomedical Science Authors: Source Type: research
One in four Americans goes to a therapist, and CBT is the most popular and safest treatment for depression. But 43 percent experience anxiety, break ups or other side effects, a German study reveals.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
The paper, titled 'Debt or Death?', used data on 9.5 million nationally-representative patients between 1998 and 2014, who spend an average of $92,098 a year trying to stay alive.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
Source: Peerview CME/CE Video Podcast - Internal Medicine International - Category: Internal Medicine Authors: Tags: Science, Medicine Source Type: video
Conclusion: GSTP1 and CYPs expressions are increased in intracranial tumors. These results should be confirmed with larger series and different enzyme subtypes.
Source: Medical Principles and Practice - Category: Internal Medicine Source Type: research
The start-up ’s optofluidic system could help get personalized cancer cell therapies to more people
Source: Chemical and Engineering News - Category: Chemistry Authors: Source Type: research
Enamel that is exposed to e-cigarettes or heat-not-burn products for just over two weeks is no more stained than the teeth of non-smokers, according to a study by British American Tobacco.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
More than half of Americans who suffer from depression never get any treatment, and in many cases that ’s because their symptoms are never diagnosed. The U.S. Preventive Services Task Forceadvises primary care physicians to screen all of their patients for depression and make sure proper care gets...
Source: Los Angeles Times - Science - Category: Science Authors: Source Type: news
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