الأحد، 24 يوليو 2016

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Drug targeting BRAF mutation slows thyroid cancer, too

Posted: 22 Jul 2016 06:22 PM PDT

Researchers found that treating metastatic thyroid cancer patients harboring a BRAF mutation with the targeted therapy vemurafenib -- originally approved for melanoma patients with the mutation -- showed promising anti-tumor activity in a third of patients.

Behavioral activation as effective as CBT for depression, at lower cost

Posted: 22 Jul 2016 06:22 PM PDT

A simple and inexpensive therapy is equally as effective at treating depression as the 'gold standard' of cognitive behavioral therapy (CBT), a large-scale study has concluded.

Mice survive brain cancer tumors lacking key surface proteins

Posted: 22 Jul 2016 12:45 PM PDT

A new scientific study has characterized a checkpoint protein that allows certain brain tumor cells to avoid the immune system.

Similarities unite three distinct gene mutations of Treacher Collins syndrome

Posted: 22 Jul 2016 12:44 PM PDT

Scientists have reported a detailed description of how function-impairing mutations in polr1c and polr1d genes cause Treacher Collins syndrome (TCS), a rare congenital craniofacial development disorder that affects an estimated one in 50,000 live births.

Vaccine strategy induces antibodies that can target multiple influenza viruses

Posted: 22 Jul 2016 12:44 PM PDT

Scientists have identified three types of vaccine-induced antibodies that can neutralize diverse strains of influenza virus that infect humans. The discovery will help guide development of a universal influenza vaccine.

Plant compounds give '1-2' punch to colon cancer

Posted: 22 Jul 2016 12:44 PM PDT

A preliminary cell study finds combining curcumin, the active ingredient in spicy curry dishes, and silymarin, a component of milk thistle, inhibited the spread of colon cancer cells and increased cancer cell death.

Parasite proteins prompt immune system to fight off ovarian tumors in mice

Posted: 22 Jul 2016 12:44 PM PDT

Scientists identified the specific proteins secreted by the parasite Toxoplasma gondii that cause the immune system in mice to attack established ovarian tumors.

For whom the births (and worms) toll

Posted: 22 Jul 2016 06:29 AM PDT

Studies of Bolivian forager-farmers shed light on costs of high birthrates, effects of pathogens on metabolism.

Machinery neurons use to form and maintain their neuronal extensions discovered

Posted: 21 Jul 2016 11:43 AM PDT

A new study will help research into regenerative medicine and potentially also help understand neurodegenerative diseases such as Alzheimer's.

How the brain improves motor control

Posted: 21 Jul 2016 11:35 AM PDT

Adaptation in reaching -- gradual improvement of motor control in response to a perturbation -- is a central issue in motor neuroscience. However, even the cortical origin of errors that drive adaptation has remained elusive. Scientists have now shown that error signals encoded by motor cortical neurons drive adaptation in reaching.

Scientists untangle Barr body of inactive X chromosome

Posted: 21 Jul 2016 11:35 AM PDT

Scientists have taken a detailed look inside the small, densely packed structure of the inactive X chromosome found in female mammals called the Barr body.

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