One neurotransmitter, glutamate, has been implicated in the autoimmune demyelination seen in multiple sclerosis (MS). Glutamate is present in many tissues in the body, so consideration should be given to whether the serum level of glutamate is likely well correlated with the activity of the disease. This research aimed to compare the serum glutamate levels from patients diagnosed with MS with those from an age-matched control population. A review of this data could shed light upon whether the serum testing of glutamate using Enzyme-Linked Immunosorbent Assay (ELISA) is a reliable indicator of MS activity. Serum samples were obtained from 55 patients with different patterns of MS and from 25 healthy adults as a control group. The ELISA technique was used to determine the glutamate levels in the serum samples. The mean serum glutamate level for patients with MS was 1.318 ± 0.543 nmol/ml and that of the controls was 0.873 ± 0.341 nmol/ml. The serum glutamate levels showed an area under the curve via the receiver operating characteristics (ROC) of 0.738, which was significant (p value = 0.001). The present study is the first to establish a strong connection between the serum glutamate levels and MS patients, where there was statistically significant elevation of serum glutamate in MS patients; hence this elevation might be used as a monitor to help in the diagnosis of MS patients.
Multiple sclerosis (MS) is a chronic, inflammatory, immune mediated disease of the central nervous system, mostly affecting young adults with mean age of 30 years, twice as high in women compared to men. The etiology of MS is not fully elucidated. MS symptoms are directly related to demyelination and axonal loss, along with other psychological symptoms, can result in functional limitations, disability and reduced quality of life (QoL). The QoL assessments in patients with a chronic disease may contribute to improving treatment and could even be of prognostic value. The goals of this study were to compare the QoL of Iraqi patients with relapsing remitting multiple sclerosis (RRMS), using three different diseases modifying therapies(DMTs) administered orally, subcutaneously, and by slow infusion; namely, fingolimod, interferonβ-1b, and natalizumab, respectively. And to assess the role of disability status, educational status, occupational status, MS duration, and treatment duration as a predictor for the QoL. Functional Assessment of Multiple Sclerosis (FAMS) questionnaire version 4 was used to assess QoL. Sociodemographic and clinical characteristics were tested by univariate and multivariate regression analyses to assess the contribution of these predictors to QoL. No significant differences were found in symptoms, thinking/fatigue subscales and FAMS total scores among the three DMTs. In conclusion: Iraqi MS patients using Interferonβ-1b, fingolimod or natalizumab have a comparable low level of QoL. The expanded disability status scale (EDSS) is negatively associated with QoL of MS patients in all of the three therapies, while other predictors such as occupational status, educational status, smoking habit and MS duration have different impact in different treatments.
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