Pixabay Images

Pixabay Images

Australian scientists believe they have found evidence for a potential suicide marker they hope will lead to new tests and treatments for depression.

“We have known for a long time that people who attempt suicide have markers of chronic inflammation in their blood and spinal fluid,” Professor Guillemin said.

“Commonly used antidepressants have only limited effect ­because they target serotonin — the branch of tryptophan associated with happiness — rather than quinolinic acid, which is the other branch of tryptophan assoc­iated with inflammation.”

Professor Guillemin said the collaboration was building evidence and providing a much clearer indication of the biolog­ical mechanics behind suicidal tendency.

– Sean Parnell

Read more: Simple Blood Test May Detect Suicide Marker