<b>Study Evaluation:</b> The bibliometric analysis of the published results of the alpha-synuclein (<i>α</i>-syn) detection study in the peripheral tissues of patients with Parkinson's disease was carried out by us to study scientific activity and scientific productivity, to measure the quantitative and qualitative characteristics of scientific publications, author productivity, and citation of works, as well as the degree of interrelation between authors, journals, institutes, and countries. Here, SNCA is linked to Parkinson disease.