الاثنين، 2 مايو 2016

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Radiation and immunotherapy combination can destroy both primary and secondary tumors

Posted: 01 May 2016 11:25 AM PDT

The addition of an immune system-strengthening compound to radiation therapy can extend the radiation therapy-induced immune response against the tumor sites and that this response even has an effect on tumors outside the radiation field.

New cancer drugs could treat lethal resistant prostate cancers

Posted: 01 May 2016 11:25 AM PDT

Men with aggressive prostate cancer that has stopped responding to conventional treatment could potentially benefit from a new class of cancer drug designed to overcome drug resistance, a new study suggests. Researchers found that the drugs, called Hsp90 inhibitors, specifically target and inactivate a mechanism commonly used by prostate cancer cells to evade the effects of standard treatment.

Screening method uncovers drugs that may combat deadly antibiotic-resistant bacteria

Posted: 29 Apr 2016 10:35 AM PDT

In recent years, hospitals have reported dramatic increases in the number of cases of the highly contagious, difficult-to-treat, and often deadly antibiotic-resistant bacteria carbapenem-resistant Enterobacteriaceae. Now, investigators have developed a promising method of identifying new antimicrobials that target these organisms.

Researchers use viral particles to trap intact mammalian protein complexes

Posted: 29 Apr 2016 06:50 AM PDT

Belgian scientists report their development of Virotrap, a viral particle sorting approach for purifying protein complexes under native conditions. This method catches a bait protein together with its associated protein partners in virus-like particles that are budded from human cells. Like this, cell lysis is not needed and protein complexes are preserved during purification.

Study shows how different people respond to Aspirin

Posted: 28 Apr 2016 02:38 PM PDT

Researchers have learned new information about how different people respond to aspirin, a globally prescribed drug in cardioprotection. The team identified more than 5,600 lipids in blood platelets and gained new insights into how these cells respond to aspirin.

Long-noncoding RNA regulates repair of DNA breaks in triple-negative breast cancer cells

Posted: 28 Apr 2016 02:32 PM PDT

Using a clinically guided genetic screening approach, researchers identified a non-coding RNA that is overexpressed in triple-negative breast cancer cells and regulated by the tumor suppressor p53 and the activated cell surface protein, EGFR. This molecule enhances the repair of DNA breaks by serving as a scaffold that links two other proteins in the repair machinery.

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