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The mysterious GRIN3A and the cause of schizophrenia

Since the 1960s, psychiatrists have been hunting for substances made by the body that might accumulate in abnormally high levels to produce the symptoms associated with schizophrenia. In particular, there was a search for chemicals that might be related to the hallucinogens phencyclidine (PCP) or lysergic acid diethylamide (LSD), which could explain the emergence of psychotic symptoms in schizophrenia. This "auto-intoxication" hypothesis led investigators on a wild goose chase where substances, including the "Pink Spot" and the "Frohman Factor", were isolated from people with schizophrenia and implicated in their illness, but these findings were later discredited. The mysterious GRIN3A is a new version of the hunt for an intrinsic mechanism that produces schizophrenia-like symptoms.
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