PMID- 25520955 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20141218 LR - 20181113 IS - 2332-7812 (Print) IS - 2332-7812 (Electronic) IS - 2332-7812 (Linking) VI - 1 IP - 4 DP - 2014 Dec TI - Natalizumab-related anaphylactoid reactions in MS patients are associated with HLA class II alleles. PG - e47 LID - 10.1212/NXI.0000000000000047 [doi] LID - e47 AB - OBJECTIVES: We aimed to investigate potential associations between human leukocyte antigen (HLA) class I and class II alleles and the development of anaphylactic/anaphylactoid reactions in patients with multiple sclerosis (MS) treated with natalizumab. METHODS: HLA class I and II genotyping was performed in patients with MS who experienced anaphylactic/anaphylactoid reactions and in patients who did not develop infusion-related allergic reactions following natalizumab administration. RESULTS: A total of 119 patients with MS from 3 different cohorts were included in the study: 54 with natalizumab-related anaphylactic/anaphylactoid reactions and 65 without allergic reactions. HLA-DRB1*13 and HLA-DRB1*14 alleles were significantly increased in patients who developed anaphylactic/anaphylactoid reactions (p M-H = 3 x 10(-7); odds ratio [OR]M-H = 8.96, 95% confidence interval [CI] = 3.40-23.64), with a positive predictive value (PPV) of 82%. In contrast, the HLA-DRB1*15 allele was significantly more represented in patients who did not develop anaphylactic/anaphylactoid reactions to natalizumab (p M-H = 6 x 10(-4); ORM-H = 0.2, 95% CI = 0.08-0.50), with a PPV of 81%. CONCLUSIONS: HLA-DRB1 genotyping before natalizumab treatment may help neurologists to identify patients with MS at risk for developing serious systemic hypersensitivity reactions associated with natalizumab administration. FAU - de la Hera, Belen AU - de la Hera B AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Urcelay, Elena AU - Urcelay E AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Brassat, David AU - Brassat D AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Chan, Andrew AU - Chan A AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Vidal-Jordana, Angela AU - Vidal-Jordana A AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Salmen, Anke AU - Salmen A AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Villar, Luisa Maria AU - Villar LM AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Alvarez-Cermeno, Jose Carlos AU - Alvarez-Cermeno JC AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Izquierdo, Guillermo AU - Izquierdo G AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Fernandez, Oscar AU - Fernandez O AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Oliver, Begona AU - Oliver B AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Saiz, Albert AU - Saiz A AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Ara, Jose Ramon AU - Ara JR AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Vigo, Ana G AU - Vigo AG AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Arroyo, Rafael AU - Arroyo R AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Meca, Virginia AU - Meca V AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Malhotra, Sunny AU - Malhotra S AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Fissolo, Nicolas AU - Fissolo N AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Horga, Alejandro AU - Horga A AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Montalban, Xavier AU - Montalban X AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. FAU - Comabella, Manuel AU - Comabella M AD - Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clinico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Universite de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Multiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autonoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramon y Cajal, Instituto Ramon y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestion Clinica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Malaga (IBIMA), Hospital Universitario Regional de Malaga, Universidad de Malaga, Spain; Service of Neurology (A. Saiz), Hospital Clinic, Universitat de Barcelona and Institut d Investigacio Biomedica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundacion de Investigacion Biomedica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain. LA - eng PT - Journal Article DEP - 20141211 PL - United States TA - Neurol Neuroimmunol Neuroinflamm JT - Neurology(R) neuroimmunology & neuroinflammation JID - 101636388 PMC - PMC4268037 EDAT- 2014/12/19 06:00 MHDA- 2014/12/19 06:01 PMCR- 2014/12/11 CRDT- 2014/12/19 06:00 PHST- 2014/07/16 00:00 [received] PHST- 2014/10/13 00:00 [accepted] PHST- 2014/12/19 06:00 [entrez] PHST- 2014/12/19 06:00 [pubmed] PHST- 2014/12/19 06:01 [medline] PHST- 2014/12/11 00:00 [pmc-release] AID - NEURIMMINFL2014002105 [pii] AID - 10.1212/NXI.0000000000000047 [doi] PST - epublish SO - Neurol Neuroimmunol Neuroinflamm. 2014 Dec 11;1(4):e47. doi: 10.1212/NXI.0000000000000047. eCollection 2014 Dec.