الاثنين، 30 يونيو 2014

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News

Noninvasive brain control: New light-sensitive protein enables simpler, more powerful optogenetics

Posted: 29 Jun 2014 11:21 AM PDT

Engineers have now developed the first light-sensitive molecule that enables neurons to be silenced noninvasively, using a light source outside the skull. This noninvasive approach could pave the way to using optogenetics in human patients to treat epilepsy and other neurological disorders.

Ankle replacement becomes more common to relieve severe arthritis pain

Posted: 27 Jun 2014 06:27 PM PDT

Improvements in implant design have prompted more people with severe arthritis in their ankle to consider ankle replacement to relieve pain. The newest implant is considered by many to be an advance over previous models, designed to better reproduce the ankle's natural motion and last longer.

New routine testing for some non-hodgkin lymphomas recommended

Posted: 26 Jun 2014 10:20 AM PDT

Three subgroups of a single type of non-Hodgkin lymphoma that have markedly different survival rates have been discovered by researchers. These subgroups could not be differentiated by routine pathology but only with the aid of novel genetic tests, which the research team recommends giving to all patients with ALK-negative anaplastic large-cell lymphoma (ALCL).

Diabolical duo: Known breast cancer gene needs partner to initiate, spread tumors

Posted: 26 Jun 2014 09:18 AM PDT

A gene known as Metadherin promotes the survival of tumor-initiating cells via the interaction with a second molecule called SND1, researchers have found. The finding could suggest new treatment strategies. "This is one of the first examples of a gene playing crucial roles in both the early and late steps of breast cancer progression," said the senior corresponding author.
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