Beta Catenin and Depression

Peter Forster Basic Science, Major Depression, Psychobiology

Beta catenin is a molecule that may play a key role in preventing depression in those exposed to stress, at least if mice and humans share the same biology. Beta catenin is involved in a number of quite different functions in the cell. To give you an idea, it may be involved in the development of cancer (it is a …

Bipolar Depression Neurobiology – 2014 ISBD Update

Peter Forster Bipolar Treatment, Psychobiology

Bipolar depression neurobiology is an area that¬†urgently¬†needs more research. The treatment of a depression that follows an energized (hypomanic or manic) state remains one of the most difficult areas in psychiatry. Mark Frye, Chair of the Department of Psychiatry at the Mayo Clinic, gave a presentation on this topic at the 2014 International Society of Biological Society conference that was …

Ketamine for Depression – Mechanism of Action

Peter Forster Basic Science, Major Depression, Treatments of Depression

Ketamine for Depression: How does it work? We ran across a useful review of the basic science literature in an interview of David Nichols on the Psych Congress Network. http://www.psychcongress.com/video/ketamine-quick-guide-receptors-19116 Although ketamine blocks the NMDA subtype of glutamate receptors (blocks an excitatory neurotransmitter) the net effect seems to be an increase in excitatory neurotransmission. This image from Nature may help …