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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: Neuropharmacology. 2007 Jun 6;54(1):1–7. doi: 10.1016/j.neuropharm.2007.05.020

Fig. 5.

Fig. 5

Determination of pAEA and AEA by HPLC/ESI-MS/MS in brain samples. The transitions of m/z 428/330, 348/287 and 352/287 were selected for pAEA, AEA and 2H4AEA (internal standard), respectively. Note the higher pAEA and lower AEA level in the PTPN22−/− vs control brain extract.