SLC25A4 and autosomal dominant progressive external ophthalmoplegia: The low-penetrant neurodegeneration in Slc25a4 p.A114P,A123D/+ mice may also reflect human disease process, as a neurodegenerative phenotype has been reported in an adPEO patient carrying the SLC25A4 p.A114P allele (Simoncini et al., 2017).