PARP1 and retinitis pigmentosa 1: Accordingly, PARP inhibitors, such as olaparib (brand name Lynparza) or INO1001, have previously been reported to provide photoreceptor neuroprotection in different models for recessive RP in vitro (Dong et al. 2023; Sahaboglu et al. 2016; Yan et al. 2022) and in vivo (Sahaboglu et al. 2016).