Medications

Ketamine isn't an opioid and treats depression in a unique way

Ketamine has gotten a bad rap as an opioid when there's plenty of evidence suggesting it isn't one, Johns Hopkins experts say. They believe this reputation may hamper patients from getting necessary treatment for the kinds ...

Neuroscience

Amplifying communication between neurons

Neurons send signals to each other across small junctions called synapses. Some of these signals involve the flow of potassium, calcium and sodium ions through channel proteins that are embedded within the membranes of neurons. ...

Neuroscience

How the brain makes myelination activity-dependent

(Medical Xpress)—A major question regarding how axons acquire a coat of myelin, is the role of spiking activity. It is known that in culture systems oligodendroctyes will at least try to wrap anything that feels like an ...

Psychology & Psychiatry

Antibodies: The body's own antidepressants

If the immune system attacks its own body, it can often have devastating consequences: autoantibodies bind to the body's structures, triggering functional disorders. The receptors for glutamate, a neurotransmitter, can also ...

Alzheimer's disease & dementia

Alzheimer's drug may stop disease if used before symptoms develop

About 50 percent of people who reach the age of 85 will develop Alzheimer's disease. Most will die within about five years of exhibiting the hallmark symptoms of the disease – severe memory loss and a precipitous decline ...

Neuroscience

An antibody-based drug for multiple sclerosis

Inserm Unit U919, directed by Prof. Denis Vivien ("Serine Proteases and Physiopathology of the Neurovascular Unit") has developed an antibody with potential therapeutic effects against multiple sclerosis. The study, directed ...

Alzheimer's disease & dementia

New drug target for Alzheimer's, stroke discovered

A tiny piece of a critical receptor that fuels the brain and without which sentient beings cannot live has been discovered by University at Buffalo scientists as a promising new drug target for Alzheimer's and other neurodegenerative ...

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