LGR4 and Parkinson disease: Following a comprehensive analysis of the exomic sequencingresults for a cohort of over 70 patients diagnosedwith Parkinson’s disease, who are under observation at theFederal Neurosurgical Center of the Ministry of Health ofthe Russian Federation (Novosibirsk), it was found thattwo patients of different genders, who are not related, carrythe c.1087G>T variant of the LGR4 gene (SRA databases,project PRJNA563295).