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1.
Mult Scler Relat Disord ; 55: 103201, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34391041

RESUMO

INTRODUCTION: The data of the survey of European (EU) neurologists on the methods of diagnosis and treatment of multiple sclerosis in Europe were compared with the data of the similar survey of neurologists of the Russian Federation (RF). METHOD: Seventy-five neurologists specialized in MS from RF completed questionnaires on radiologically isolated syndrome (RIS), clinically isolated syndrome (CIS), relapsing-remitting (RRMS), secondary progressive (SPMS), and primary progressive (PPMS) multiple sclerosis. RESULTS: In the case of RIS, only 46% of neurologists from the RF recommended CSF analysis for oligoclonal IgG and only 54.3% performed magnetic resonance imaging (MRI) of the spinal cord, which is significantly lower than in the EU (78% and 80%, respectively). In the case of CIS, significantly more neurologists from the Russian Federation would have tested for antibodies to disorders of the optical spectrum of neuromyelitis (57% in the EU and 94% in the RF). In case of typical RRMS, more neurologists from the RF preferred to start with the second line of disease-modifying therapy (DMT), a lower percentage would choose dimethyl fumarate as the first line DMT (9% in the RF and 25% in the EU). In case of escalating therapy, the majority of EU respondents (68%) indicated that one relapse would be sufficient (only 28% in RF), while in RF, 58% indicated that two relapses would be sufficient (22% in EU). Fewer neurologists from RF would use fingolimod, natalizumab or mitoxantrone for SPMS. 91% of neurologists in RF would like to prescribe ocrelizumab for PPMS. CONCLUSION: MS specialists from RF are less active in monitoring RIS than MS specialists from EU. CIS is not indication to use any DMT in RF. MS specialists in RF are more conservative in changing DMT as escalation in cases with breakthrough RRMS. The products without indication to be used in SPMS are rarely prescribed in RF in comparison to EU. Most cases of PPMS in RF would be treated with ocrelizumab.


Assuntos
Esclerose Múltipla Crônica Progressiva , Esclerose Múltipla Recidivante-Remitente , Esclerose Múltipla , Humanos , Esclerose Múltipla/diagnóstico , Esclerose Múltipla/tratamento farmacológico , Esclerose Múltipla/epidemiologia , Natalizumab/uso terapêutico , Federação Russa , Inquéritos e Questionários
2.
PLoS One ; 8(4): e61032, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-23613777

RESUMO

Multiple sclerosis (MS) is a serious, incurable neurological disease. In 2009, the ANZgene studies detected the suggestive association of located upstream of CD40 gene in chromosome 20q13 (p = 1.3×10(-7)). Identification of the causal variant(s) in the CD40 locus leads to a better understanding of the mechanism underlying the development of autoimmune pathologies. We determined the genotypes of rs6074022, rs1883832, rs1535045, and rs11086996 in patients with MS (n = 1684) and in the control group (n = 879). Two SNPs were significantly associated with MS: rs6074022 (additive model C allele OR = 1.27, 95% CI = [1.12-1.45], p = 3×10(-4)) and rs1883832 (additive model T allele OR = 1.20, 95% CI = [1.05-1.38], p = 7×10(-3)). In the meta-analysis of our results and the results of four previous studies, we obtain the association p-value of 2.34×10(-12), which confirmed the association between MS and rs6074022 at a genome-wide significant level. Next, we demonstrated that the model including rs6074022 only sufficiently described the association. From our analysis, we can speculate that the association between rs1883832 and MS was induced by LD, whereas rs6074022 was a marker in stronger LD with the functional variant or was the functional variant itself. Our results indicated that the functional variants were located in the upstream region of the gene CD40 and were in higher LD with rs6074022 than LD with rs1883832.


Assuntos
Antígenos CD40/genética , Esclerose Múltipla/genética , Polimorfismo de Nucleotídeo Único , Adulto , Alelos , Feminino , Haplótipos/genética , Humanos , Modelos Logísticos , Masculino , Federação Russa
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