Sıçanlar Wistar'da Parkinson Hastalığının Kombine Modelinde Strain Limosilactobacillus fermentum U-21 tarafından Davranışsal, Biyokimyasal, İmmünomodülatör ve Transkripsiyonel Profillerin Modülasyonu

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Since there is no cure for Parkinson's disease yet, pharmacobiotic drugs based on the gut microbiota capable of producing the necessary pharmacologically active compo-nents are being developed. The drug LfU21 based on the strain of Limosilactobacillus fermentum U-21 is proposed as a candidate for pharmacobiotics in this work. To char-acterize the effectiveness of the studied drug, a combined LPS and lactacystin (LAC) induced PD model in the Wistar rat line was used. The analysis was performed using behavioral, biochemical, immune, and transcriptomic biomarkers. LfU21 reduces the level of α-synuclein, changes motor activity in the “Rung ladder” test and the expres-sion of the bdnf gene in both hemispheres of the brain. When exposed to LPS, LfU21 prevents changes in the level of the immune response, GSH, expression of the drd2 and bdnf genes, and the number of goblet cells in the intestine. When exposed to LAC and LAC+LPS, LfU21 prevents an increase in α-synuclein, a decrease in bdnf expression, and indicators in the “Open Field” and “Rung ladder” tests, respectively. The effect of LfU21 in a combined model of Parkinson's disease confirms its multifunctionality. This allows us to determine the cohort of patients for future clinical trials of LfU21.

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