ABO blood group distributions in multiple sclerosis patients from Basque Country; O(-) as a protective factor

BACKGROUND: The relation between ABO/Rh groups and multiple sclerosis (MS) has been proposed in several studies, however there is a controversy about the role of these groups in the disease. Although it has been reported that some groups can be protective or risk factors, there is no consensus and d...

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Detalles Bibliográficos
Autores principales: Lopetegi, Itziar, Muñoz-Lopetegi, Amaia, Arruti, Maialen, Prada, Alvaro, Urcelay, Sabin, Olascoaga, Javier, Otaegui, David, Castillo-Triviño, Tamara
Formato: Online Artículo Texto
Lenguaje:English
Publicado: SAGE Publications 2019
Materias:
Short Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6859684/
https://www.ncbi.nlm.nih.gov/pubmed/31798940
http://dx.doi.org/10.1177/2055217319888957
Descripción
Sumario:BACKGROUND: The relation between ABO/Rh groups and multiple sclerosis (MS) has been proposed in several studies, however there is a controversy about the role of these groups in the disease. Although it has been reported that some groups can be protective or risk factors, there is no consensus and discordant reports can be found in the literature. OBJECTIVES AND METHODOLOGY: In this short report, we analyze the ABO/Rh distribution in a MS cohort of 265 patients and compare these frequencies with the results obtained from the Basque Blood Donors bank (17,796 individuals) of the same region. RESULTS AND CONCLUSIONS: From our data, the absence of immune antigens (A, B or Rhesus +) defined by the group O- seems to be protective in the MS group with an odds ratio of 0.49 (95% confidence interval 0.309–0.796), while the presence of Rh+ plus A or B seems to be a risk in developing multiple sclerosis.

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