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标题：Toxoplasma gondii and multiple sclerosis: a population-based case–control study
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作者：Alessandra Nicoletti ; Calogero Edoardo Cicero ; Loretta Giuliano 等
期刊名称：Scientific Reports
电子版ISSN：2045-2322
出版年度：2020
卷号：10
期号：1
页码：1-7
DOI：10.1038/s41598-020-75830-y
出版社：Springer Nature
摘要：According to the hygiene hypothesis, parasites could have a protective role in the development of Multiple Sclerosis (MS). Our aim was to assess the association between presence of anti-Toxoplasma gondii antibodies and MS. MS patients were randomly selected from a population-based incident cohort of MS patients in the city of Catania. Age and sex-matched controls were randomly selected from the general population. Clinical and sociodemographic variables were recorded with a structured questionnaire and a blood sample was taken for serological analysis. Specific T. gondii IgG have been detected with a commercial kit. Adjusted Odds Ratios (ORs) were estimated using unconditional logistic regression. 129 MS subjects (66.7% women with a mean age 44.7 ± 11.0 years) and 287 controls (67.3% women with a mean age 48.1 ± 15.6 years) have been enrolled in the study. Anti-T. gondii antibodies were found in 38 cases (29.5%) and 130 controls (45.4%) giving an adjusted OR of 0.56 (95%CI 0.34–0.93). History of mononucleosis and high educational level were significantly associated with MS (adjOR 2.22 and 1.70 respectively) while an inverse association was found between high educational level and T. gondii seropositivity (adjOR 0.42). Our results further support the protective role of parasitic infections in MS.
其他摘要：Abstract According to the hygiene hypothesis, parasites could have a protective role in the development of Multiple Sclerosis (MS). Our aim was to assess the association between presence of anti- Toxoplasma gondii antibodies and MS. MS patients were randomly selected from a population-based incident cohort of MS patients in the city of Catania. Age and sex-matched controls were randomly selected from the general population. Clinical and sociodemographic variables were recorded with a structured questionnaire and a blood sample was taken for serological analysis. Specific T. gondii IgG have been detected with a commercial kit. Adjusted Odds Ratios (ORs) were estimated using unconditional logistic regression. 129 MS subjects (66.7% women with a mean age 44.7 ± 11.0 years) and 287 controls (67.3% women with a mean age 48.1 ± 15.6 years) have been enrolled in the study. Anti- T. gondii antibodies were found in 38 cases (29.5%) and 130 controls (45.4%) giving an adjusted OR of 0.56 (95%CI 0.34–0.93). History of mononucleosis and high educational level were significantly associated with MS (adjOR 2.22 and 1.70 respectively) while an inverse association was found between high educational level and T. gondii seropositivity (adjOR 0.42). Our results further support the protective role of parasitic infections in MS.