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Huntington’s disease (HD) is a genetically heritable disorder, linked with continuing cell loss and degeneration mostly in the striatum. Currently, cell therapy approaches in HD have essentially been focused on replenishing or shielding cells lost over the period of the disease. Herein, we sought to explore the in vitro and in vivo efficacy of primary rat Sertoli cells (SCs) and their paracrine effect against oxidative stress with emphasis on HD. Initially, SCs were isolated and immunophenotypically characterized by positive expression of GATA4. Besides, synthesis of neurotrophic factors of glial cell-derived neurotrophic factor and VEGF by SCs were proved. Next, PC12 cells were exposed to hydrogen peroxide in the presence of conditioned media (CM) collected from SC (SC-CM) and cell viability and neuritogenesis were determined. Bilateral striatal implantation of SC in 3-nitropropionic acid (3-NP)-lesioned rat …