MALAT1 and Parkinson disease: Much evidence indicates that HCN channels play important physiological functions in brain and are responsible for several neurologic diseases (Benarroch, 2013; DiFrancesco and DiFrancesco, 2015), such as epilepsy (Shah et al., 2013), pain (Emery et al., 2011; Resta et al., 2016) as well as Parkinson’s disease (Chan et al., 2004, 2011; Good et al., 2011).