Retraction notice to “Noopept; a nootropic dipeptide, modulates persistent inflammation by effecting spinal microglia dependent Brain Derived Neurotropic Factor (BDNF) and pro-BDNF expression throughout apoptotic process” [Heliyon (2021) e06219]

oleh: Mona Taghizadeh, Nader Maghsoudi, Homa Manaheji, Valery Akparov, Mansoureh Baniasadi, Mola Mohammadi, Samira Danyali, Rasoul Ghasemi, Jalal Zaringhalam