Plasma osteopontin levels in multiple sclerosis. 2005

Manuel Comabella, and Imma Pericot, and Robert Goertsches, and Carlos Nos, and Mireia Castillo, and José Blas Navarro, and Jordi Río, and Xavier Montalban
Unitat de Neuroimmunologia Clínica, Hospital Universitari Vall d'Hebron (HUVH), Escola d'Infermeria 2a planta, Pg. Vall d'Hebron 119-129, 08035 Barcelona, Spain. mcomabel@vhebron.net

Osteopontin (OPN) is a pleiotropic integrin binding protein with functions in cell-mediated immunity, inflammation, tissue repair, and cell survival. Recent studies have shown that OPN may play an important role in the pathogenesis of experimental autoimmune encephalomyelitis and multiple sclerosis (MS). Here, we investigated the plasma levels of OPN in 221 MS patients and 36 healthy controls using an enzyme-linked immunoassay. The MS group comprised of 71 patients with primary and transitional progressive MS (PP/TP-MS), 35 patients with secondary progressive MS (SPMS), and 115 patients with relapsing-remitting MS (RRMS)[46 patients during clinical remission, 26 patients during relapse, and 43 patients treated with interferon-beta (IFNbeta)]. Levels of OPN in plasma were elevated in SPMS patients compared with healthy controls, RRMS patients in remission, and PP/TP-MS patients. Patients with RRMS during relapse presented higher OPN levels than patients with RRMS during clinical remission. When MS patients were classified based on progression of neurological disability, an inverse relation between levels of OPN and disability progression was observed only in patients with relapsing MS. In RRMS patients receiving therapy with IFNbeta, OPN plasma levels were similar to RRMS patients during remission. These findings suggest that OPN is involved in both acute and chronic disease activity, thus expanding the role of OPN in MS pathogenesis suggested by previous studies. Furthermore, the different profiles of OPN levels found in acute relapses and chronic progression and its apparent lack of influence in primary progressive MS phenotypes raise interesting questions on the actual role of OPN in the pathogenesis of MS.

UI MeSH Term Description Entries
D007155 Immunologic Factors Biologically active substances whose activities affect or play a role in the functioning of the immune system. Biological Response Modifier,Biomodulator,Immune Factor,Immunological Factor,Immunomodulator,Immunomodulators,Biological Response Modifiers,Biomodulators,Factors, Immunologic,Immune Factors,Immunological Factors,Modifiers, Biological Response,Response Modifiers, Biological,Factor, Immune,Factor, Immunological,Factors, Immune,Factors, Immunological,Modifier, Biological Response,Response Modifier, Biological
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009103 Multiple Sclerosis An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in the central nervous system. Pathologic findings include multiple sharply demarcated areas of demyelination throughout the white matter of the central nervous system. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia, and bladder dysfunction. The usual pattern is one of recurrent attacks followed by partial recovery (see MULTIPLE SCLEROSIS, RELAPSING-REMITTING), but acute fulminating and chronic progressive forms (see MULTIPLE SCLEROSIS, CHRONIC PROGRESSIVE) also occur. (Adams et al., Principles of Neurology, 6th ed, p903) MS (Multiple Sclerosis),Multiple Sclerosis, Acute Fulminating,Sclerosis, Disseminated,Disseminated Sclerosis,Sclerosis, Multiple
D003710 Demography Statistical interpretation and description of a population with reference to distribution, composition, or structure. Demographer,Demographic,Demographic and Health Survey,Population Distribution,Accounting, Demographic,Analyses, Demographic,Analyses, Multiregional,Analysis, Period,Brass Technic,Brass Technique,Demographers,Demographic Accounting,Demographic Analysis,Demographic Factor,Demographic Factors,Demographic Impact,Demographic Impacts,Demographic Survey,Demographic Surveys,Demographic and Health Surveys,Demographics,Demography, Historical,Demography, Prehistoric,Factor, Demographic,Factors, Demographic,Family Reconstitution,Historical Demography,Impact, Demographic,Impacts, Demographic,Multiregional Analysis,Period Analysis,Population Spatial Distribution,Prehistoric Demography,Reverse Survival Method,Stable Population Method,Survey, Demographic,Surveys, Demographic,Analyses, Period,Analysis, Demographic,Analysis, Multiregional,Demographic Analyses,Demographies, Historical,Demographies, Prehistoric,Distribution, Population,Distribution, Population Spatial,Distributions, Population,Distributions, Population Spatial,Family Reconstitutions,Historical Demographies,Method, Reverse Survival,Method, Stable Population,Methods, Reverse Survival,Methods, Stable Population,Multiregional Analyses,Period Analyses,Population Distributions,Population Methods, Stable,Population Spatial Distributions,Prehistoric Demographies,Reconstitution, Family,Reconstitutions, Family,Reverse Survival Methods,Spatial Distribution, Population,Spatial Distributions, Population,Stable Population Methods,Technic, Brass,Technique, Brass
D004185 Disability Evaluation Determination of the degree of a physical, mental, or emotional handicap. The diagnosis is applied to legal qualification for benefits and income under disability insurance and to eligibility for Social Security and workmen's compensation benefits. Disability Evaluations,Evaluation, Disability,Evaluations, Disability
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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