History
In 1949 L. Henderson was one of the earliest to describe quinolinic acid. Lapin followed up this research by demonstrating that quinolinic acid could induce convulsions when injected into mice brain ventricles. However, it was not until 1981 that Stone and Perkins showed that quinolinic acid activates the N-methyl-d-aspartate receptor (NMDAR). After this, Schwarcz demonstrated that elevated quinolinic acid levels could lead to axonal neurodegeneration.
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