PINK1 and Parkinson disease: Phosphatase and tensin homolog-induced kinase 1 (PINK1) is a protein involved in mitophagy; a loss of function mutation within PINK1 is associated with early-onset PD (Valente et al., 2004; Ishihara-Paul et al., 2008; Ricciardi et al., 2014; Schneider and Klein, 2018; Hayashida et al., 2021).