ArticleInternational journal of molecular sciences2024
Cocaine-Induced Microglial Impairment and Its Rehabilitation by PLX-PAD Cell Therapy.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- From Neuroadaptation to Neuroprogression: Rethinking Chronic Cocaine Exposure Through a Model of Cocaine-Related Cerebropathy.Journal of clinical medicine · 2026Article
- Sex-specific dysregulation of the CXProgress in neuro-psychopharmacology & biological psychiatry · 2025Article
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Authors and funding
5 authors.
Funding
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Abstract
Chronic cocaine use triggers inflammatory and oxidative processes in the central nervous system, resulting in impaired microglia. Mesenchymal stem cells, known for their immunomodulatory properties, have shown promise in reducing inflammation and enhancing neuronal survival. The study employed the cocaine self-administration model, focusing on ionized calcium-binding adaptor protein 1 (Iba-1) and cell morphology as markers for microglial impairment and PLX-PAD cells as a treatment for attenuating cocaine craving. The results revealed an addiction-stage and region-specific impairment in microglia following chronic cocaine exposure, with deficits observed in the Nucleus Accumbens (NAc) during the maintenance stage and in both the NAc and Dentate Gyrus (DG) during the extinction and reinstatement stages. Furthermore, PLX-PAD cell therapy demonstrated a significant reduction in cocaine craving and seeking behavior, interestingly accompanied by the prevention of Iba-1 level decrease and restoration of microglial activity in the NAc and DG. These findings highlight the unique role of microglia in modulating cocaine addiction behaviors through their influence on synaptic plasticity and neuronal remodeling associated with memory formation. They also suggest that PLX-PAD therapy may mitigate the detrimental effects of chronic cocaine exposure on microglia, underscoring the importance of incorporating microglia in comprehensive addiction rehabilitation strategies.
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