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Role of PUMA in the methamphetamine-induced migration of microglia

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A Correction to this article was published on 29 May 2020

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Abstract

In this study, we demonstrated that PUMA was involved in the microglial migration induced by methamphetamine. PUMA expression was examined by western blotting and immunofluorescence staining. BV2 and HAPI cells were pretreated with a sigma-1R antagonist and extracellular signal-regulated kinase (ERK), mitogen-activated protein kinase (MAPK), c-Jun N-terminal protein kinase (JNK), and phosphatidylinositol-3 kinase (PI3K)/Akt inhibitors, and PUMA expression was detected by western blotting. The cell migration in BV2 and HAPI cells transfected with a lentivirus encoding red fluorescent protein (LV-RFP) was also examined using a wound-healing assay and nested matrix model and cell migration assay respectively. The molecular mechanisms of PUMA in microglial migration were validated using a siRNA approach. The exposure of BV2 and HAPI cells to methamphetamine increased the expression of PUMA, reactive oxygen species (ROS), the MAPK and PI3K/Akt pathways and the downstream transcription factor signal transducer and activator of transcription 3 (STAT3) pathways. PUMA knockdown in microglia transfected with PUMA siRNA attenuated the increased cell migration induced by methamphetamine, thereby implicating PUMA in the migration of BV2 and HAPI cells. This study demonstrated that methamphetamine-induced microglial migration involved PUMA up-regulation. Targeting PUMA could provide insights into the development of a potential therapeutic approach for the alleviation of microglia migration induced by methamphetamine.

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  • 29 May 2020

    In the original publication of this article, wrong western blot images were inadvertently included in Fig.��2 and Fig.��3. The corrected figures are shown below. The authors declare that these amendments do not change the results or conclusions of their paper, and apologize for this oversight.

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Acknowledgements

This work was supported by grants from the National Natural Science Foundation of China (No. 81322048 and No. 81473190).

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Correspondence to Yuan Zhang.

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The authors declare that there are no conflicts of interest.

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Zhao, L., Du, L., Zhang, Y. et al. Role of PUMA in the methamphetamine-induced migration of microglia. Metab Brain Dis 34, 61–69 (2019). https://doi.org/10.1007/s11011-018-0319-y

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  • DOI: https://doi.org/10.1007/s11011-018-0319-y

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