Nöronların Mitokondriyal Disfonksiyonunu Biyomimetik Hedefleme Nanoparçacıklar Parkinson Hastalığının Tedavisini Artırmak İçin Mitokondriyal Biyogenez Aracılığıyla Amelia Etmek.

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Mitochondrial dysfunction of neurons is the core pathogenesis of incurable Parkinson's disease (PD). It is crucial to ameliorate the mitochondrial dysfunction of neurons for boosting the therapy of PD. Herein, the remarkable promotion of mitochondrial biogenesis to ameliorate mitochondrial dysfunction of neurons and improve the treatment of PD by using mitochondria-targeted biomimetic nanoparticles, which are Cu2- x Se-based nanoparticles functionalized with curcumin and wrapped with DSPE-PEG2000 -TPP-modified macrophage membrane (denoted as CSCCT NPs), is reported. These nanoparticles can efficiently target mitochondria of damaged neurons in an inflammatory environment, and mediate the signaling pathway of NAD+ /SIRT1/PGC-1α/PPARγ/NRF1/TFAM to alleviate 1-methyl-4-phenylpyridinium (MPP+ )-induced neuronal toxicity. They can reduce the mitochondrial reactive oxygen species, restore mitochondrial membrane potential (MMP), protect the integrity of mitochondrial respiratory chain, and ameliorate mitochondrial dysfunction via promoting mitochondrial biogenesis, which synergistically improve the motor disorders and anxiety behavior of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD mice. This study demonstrates that targeting mitochondrial biogenesis to ameliorate mitochondrial dysfunction has a great potential in the treatment of PD and mitochondria-related diseases.

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