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Multiple Sclerosis - DOAJ

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Last Updated: 13 September 2022

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Antibody-mediated cell depletion therapies in multiple sclerosis

The majority of the mAb-based therapies that have been approved for MS deplete immune cell subsets and act by the activation of cellular Fc-gamma receptors derived from cytotoxic lymphocytes and phagocytes, resulting in antibody-dependent cytotoxicity or the onset of complement-mediated cytotoxicity. We review recent advancements in effector mechanisms and clinical applications of Ab-based cell depletion therapies, examine their immunological and clinical results with the prototypic immune reconstitution treatment scheme, autologous stem cell transplantation, and discuss how to restore immunological stability and long-term remission in people with MS.

Source link: https://doi.org/10.3389/fimmu.2022.953649


Role of RGC-32 in multiple sclerosis and neuroinflammation – few answers and many questions

Comments Gene to Complement - 32 is a gene that is induced by complement activation, growth factors, and cytokines, most notable transforming growth factor u03b2, which is involved in the modulation of processes such as angiogenesis, fibrosis, cell migration, and cell differentiation. Experimental encephalomyelitis, RGC-32 has played a vital role in the differentiation of Th17 cells, a subset of CD4+ T lymphocytes with a vital role in MS and its murine model.

Source link: https://doi.org/10.3389/fimmu.2022.979414


Immunoadsorption versus double-dose methylprednisolone in refractory multiple sclerosis relapses

Objectivise Intravenous methylprednisolone is the most common treatment for a multiple sclerosis relapse; however, this does not help with symptoms in up to one quarter of patients. Methods The aim of this research was that patients with steroid-refractory acute multiple sclerosis relapses were assessed after six weeks of tryptophan-immunoadsorption or double-dose methylprednisolone therapy. The adjusted odds ratio for the best treatment response was 103. 236 in favor of IA patients, according to a follow-up. Following immunoadsorption, which was closely related to clinical outcomes, was a significant reduction of B cell subsets, according to Flow cytometry, although methylprednisolone had no effect on B cell populations. Immunoadsorption therapy skewed the blood cytokine network, reduced B cell-related cytokines, and reduced immunoglobulin levels, as well as levels of specific coagulation factors. As a result of clinical development, B cell function modulation may have been a potential mechanism of action for immunoadsorption as shown by further examinations.

Source link: https://doi.org/10.1186/s12974-022-02583-y


Vaccination willingness in association with personality traits in patients with multiple sclerosis in the course of SARS-CoV-2 pandemic

The acceptance of SARS-CoV-2 vaccinations by chronically ill patients, such as multiple sclerosis patients, plays a vital role in preventing complicated disease course. Although the majority of MS-patients showed SARS-CoV-2 vaccination readiness at both follow-ups, a substantial number of MS-patients were concerned and refused to vaccination, despite this. When comparing with MS-patients about SARS-CoV-2 vaccination, socioeconomic variables such as age and sex, psychopathological condition, and various personality traits can influence vaccination preferences and should be considered when discussing with MS-patients.

Source link: https://doi.org/10.1038/s41598-022-18912-3


Iron deposition in multiple sclerosis: overall load or distribution alteration?

Abstract Background: Though abnormal iron deposition has been documented in particular brain regions of multiple sclerosis, no reports have been published as to whether the total amount of iron in the brain has been modified or not. In a cohort of MS patients, we investigated whether the observed aberrant iron deposition in MS brains was a matter of overall load or regional distribution. After adjustment for volume, the patient's brain iron load was similar to that of controls, but the regional iron concentrations were significantly different in patients than in control. There was no significant correlation between global iron load and clinical measurements, but regional iron concentrations related to patients' u2019 age, disease duration, and disability grade, according to a questionnaire. Conclusions The aberrant iron deposition in MS appears to be a matter of regional distribution rather than an elevated global brain iron load.

Source link: https://doi.org/10.1186/s41747-022-00279-9


Exosome application in treatment and diagnosis of B-cell disorders: leukemias, multiple sclerosis, and arthritis rheumatoid

These bi-layered particles are naturally released into the extracellular periphery by a number of cells, including neoplastic cells. The circulating exosomes in B-cell malignancies' proteins and RNAs are believed to be the most promising sources for diagnostic and prognostic biomarkers, as well as therapeutic agents. Exosomes can also provide a u201csnapshots'u201d of the tumor and metastatic landscape at any given time. Exosomes produced by immune cells such as dendritic cells can promote the immune system, supporting the immune system, according to further research, so these exosomes can be used in anti-tumor vaccines. This book discusses exosomes' use in several immune-related disorders, including chronic lymphocytic leukemia, multiple sclerosis, and arthritis rheumatoid, as well as highlighting sundry aspects of exosome therapy and exosomes in diagnosing diseases.

Source link: https://doi.org/10.1186/s11658-022-00377-x


Process evaluation findings of a fall prevention and management program for wheelchair and scooter users with multiple sclerosis

Object: To describe process evaluation results from a scientific study to determine the Individualized Reduction of Falls program, a 6-session, group-based initiative that is designed to reduce fall risk among people living with multiple sclerosis who use a wheelchair or scooter full-time. According to the average overall participant satisfaction survey, the most common overall participant satisfaction rating was 4. 7/5. 0. Content and logistics fidelity were 95% and 90%, respectively, with average overall participant satisfaction rating being 4. 7/5. 0. Innovation: Achievable iROLL delivery needs trainers with strong organizational skills who can also individualize content while maintaining program fidelity, which is essential to maintaining program fidelity. The occupational and physical therapists who provide iROLL with comprehensive training and on-going support raises program efficiency, contributing to the program's success. With online delivery, program access can be enhanced.

Source link: https://doi.org/10.1016/j.pecinn.2022.100081


Obesity induced gut dysbiosis contributes to disease severity in an animal model of multiple sclerosis

Multiple research results point to a role for obesity and gut microbiota in MS; however, the mechanistic correlation between gut microbiota and obesity in MS's pathobiology remains unclear. Amelioration of disease prevalence in mice depleted of intestinal microbiota in obese mice with a contaminated diet has been found by gut bacteria, which has an important role in severe EAE in obese mice. The results of intestinal microbiota testing in HFD mice reveal gut microbiota changes as a result of an increase in the number of Proxeobacteria and Desulfovibrionaceae bacteria and the modification of several bacterial metabolic pathways, including bacterial hydrogen sulfide biosynthetic pathways. ConclusionsThe study found that mice on HFD had increased gut permeability and systemic inflammation, contributing to obesity-induced disease progression.

Source link: https://doi.org/10.3389/fimmu.2022.966417


Brain functional connectivity analysis in patients with relapsing-remitting multiple sclerosis: A graph theory approach of EEG resting state

Using the electroencephalogram resting-state signals and graph theory approach, this study seeks to investigate the effects of MS on the brain's functional connectivity network. In this research, the primary aim is to determine the differences in brain functional network global characteristics. In patients with RRMS patients with RRMS, patients with RRMS showed lower cortical activity in the alpha frequency bands and increased gamma frequency bands, as compared to the healthy group. In this research, graph metric results revealed a significant difference in the diameter of the functional brain network based on the directed transfer function measurement between the two groups, indicating a larger diameter in RRMS cases for the alpha frequency band. In MS cases, anatomical damage can cause a larger diameter for the functional brain network.

Source link: https://doi.org/10.3389/fnins.2022.801774


Quality of Life Changes in Early-Onset Multiple Sclerosis: A 4-Year Follow-Up Study

This report investigates longitudinal shifts in health-related quality of life in early-onset multiple sclerosis patients and examines the effects of disease activity on such changes. People with MS development between 12 and 25 years of age were tracked longitudinally. Patients were encouraged to complete the Paediatric Quality of life survey at baseline and year four. The Longitudinal within-group comparison of HRQoL's total score and sub-scores was conducted using paired samples t-test. An increase in the socioeconomic functioning subscale and a decrease in the emotional subscale were observed.

Source link: https://doi.org/10.3390/jcm11175226

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions