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- W4245253387 abstract "Abstract Phosphodiesterase 10A (PDE10A) hydrolyzes adenosine 3′,5′-cyclic monophosphate (cAMP) and guanosine 3′,5′-cyclic monophosphate (cGMP). It is highly expressed in the striatum. Recent evidence implied that PDE10A may be involved in the inflammatory processes following injury, such as ischemic stroke. Its role in ischemic injury was unknown. Herein, we exposed mice to 90 or 30 min middle cerebral artery occlusion, followed by the delivery of the highly selective PDE10A inhibitor TAK-063 (0.3 mg/kg or 3 mg/kg) immediately after reperfusion. Animals were sacrificed after 24 or 72 hours, respectively. Both TAK-063 doses enhanced neurological function, reduced infarct volume, increased neuronal survival, reduced brain edema, and increased blood-brain barrier integrity, alongside cerebral microcirculation improvements. Post-ischemic neuroprotection was associated with increased phosphorylation (i.e., activation) of pro-survival Akt, Erk-1/2 and GSK-3α/β, decreased phosphorylation (i.e., activation) of pro-survival mTOR, increased HIF-1α, MMP-9 and anti-apoptotic Bcl-xL abundance, and reduced pro-apoptotic Bax abundance. Interestingly, PDE10A inhibition reduced inflammatory cytokines/chemokines, including IFN-γ and TNF-α, analyzed by planar surface immunoassay. In addition, liquid chromatography-tandem mass spectrometry revealed 40 proteins were significantly altered by TAK-063. Our study established PDE10A as a target for ischemic stroke therapy." @default.
- W4245253387 created "2022-05-12" @default.
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- W4245253387 date "2021-05-17" @default.
- W4245253387 modified "2023-10-17" @default.
- W4245253387 title "Phosphodiesterase 10A is a critical target for neuroprotection in a mouse model of ischemic stroke" @default.
- W4245253387 doi "https://doi.org/10.21203/rs.3.rs-469225/v3" @default.
- W4245253387 hasPublicationYear "2021" @default.
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