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Liu R, Du S, Zhao L, Jain S, Sahay K, Rizvanov A, Lezhnyova V, Khaibullin T, Martynova E, Khaiboullina S, Baranwal M. Autoreactive lymphocytes in multiple sclerosis: Pathogenesis and treatment target. Front Immunol 2022; 13:996469. [PMID: 36211343 PMCID: PMC9539795 DOI: 10.3389/fimmu.2022.996469] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) characterized by destruction of the myelin sheath structure. The loss of myelin leads to damage of a neuron’s axon and cell body, which is identified as brain lesions on magnetic resonance image (MRI). The pathogenesis of MS remains largely unknown. However, immune mechanisms, especially those linked to the aberrant lymphocyte activity, are mainly responsible for neuronal damage. Th1 and Th17 populations of lymphocytes were primarily associated with MS pathogenesis. These lymphocytes are essential for differentiation of encephalitogenic CD8+ T cell and Th17 lymphocyte crossing the blood brain barrier and targeting myelin sheath in the CNS. B-lymphocytes could also contribute to MS pathogenesis by producing anti-myelin basic protein antibodies. In later studies, aberrant function of Treg and Th9 cells was identified as contributing to MS. This review summarizes the aberrant function and count of lymphocyte, and the contributions of these cell to the mechanisms of MS. Additionally, we have outlined the novel MS therapeutics aimed to amend the aberrant function or counts of these lymphocytes.
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Affiliation(s)
- Rongzeng Liu
- Department of Immunology, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, China
| | - Shushu Du
- Department of Immunology, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, China
| | - Lili Zhao
- Department of Immunology, School of Basic Medical Sciences, Henan University of Science and Technology, Luoyang, China
| | - Sahil Jain
- Department of Biochemistry and Molecular Biology, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv, Israel
| | - Kritika Sahay
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Albert Rizvanov
- Gene and cell Department, Kazan Federal University, Kazan, Russia
| | - Vera Lezhnyova
- Gene and cell Department, Kazan Federal University, Kazan, Russia
| | - Timur Khaibullin
- Neurological Department, Republican Clinical Neurological Center, Kazan, Russia
| | | | - Svetlana Khaiboullina
- Gene and cell Department, Kazan Federal University, Kazan, Russia
- *Correspondence: Svetlana Khaiboullina, ; Manoj Baranwal, ;
| | - Manoj Baranwal
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
- *Correspondence: Svetlana Khaiboullina, ; Manoj Baranwal, ;
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Ahmed NS, AbdAllah MA, Nassef AM, Mohamed AEA, Nada MA. Cognitive impairment in paediatric onset multiple sclerosis and its relation to thalamic volume and cortical thickness of temporal lobe by magnetic resonance imaging. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2022. [DOI: 10.1186/s41983-022-00492-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Pediatric onset multiple sclerosis (POMS), defined as an age at onset younger than 18 years, which occurs in 5% of patients with MS. cognitive dysfunction is one of the prominent disabling sequelae of Multiple sclerosis. Brain volumetric studies by magnetic resonance images revealed the decline of whole and regional brain volumes along the disease course. This work aimed to investigate the relationship between cognitive impairment in pediatric MS patients with thalamic atrophy and cortical thickness of temporal lobe. This study included 50 patients who were diagnosed as POMS and 50 healthy control participants matched for age and sex. Both groups were compared for volumetric measurements of thalamic volumes and temporal lobes cortical thickness using a computerized program called FreeSurfer.MS group was evaluated for cognitive dysfunction using Arabic version of fifth edition of Standford–Benit test. A correlation between volumetric results and neuropsychological evaluation of MS group was done.
Results
Our study showed that the MS group has the lowest value regarding their thalamic volumes and their cortical thickness of temporal lobes in relation to the healthy control group, while there was a significant relation between cognitive impairment and decrease in thalamic volume and specific areas in cortical thickness, such as superior temporal thickness, middle temporal thickness, inferior temporal thickness, fusiform thickness and para hippocampal thickness of temporal lobe in pediatric onset MS patients.
Conclusions
POMS affects specific brain areas such as thalamus and cortical thickness of temporal lobes regarding their volume and thickness which influence the neuropsychological evaluation detected by Standford–Benit test.
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Farghaly M, Langdon DW, Shalaby NM, Shehata HS, Abokrysha NT, Hassan A, Hegazy MI, Elmazny A, Ahmed S, Shaheen S, Othman AS, Yacoub O, Kishk NA. Reliability and validity of Arabic version of the brief international cognitive assessment for multiple sclerosis: Egyptian dialect. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2021. [DOI: 10.1186/s41983-021-00303-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Abstract
Background
Given the diversity of multiple sclerosis (MS) symptoms including cognitive impairment in certain domains, the need to develop a rapid and at the same time thorough tool for cognitive assessment is mandatory and represents an unmet need in the clinical and research fields of MS. The Brief International Cognitive Assessment for MS (BICAMS) is a good and practical tool to achieve this mission but is not present in the Arabic language for Arabic speaking countries yet.
Objectives
To assess the reliability and validity of Arabic version of the BICAMS (Egyptian dialect).
Methods
Ninety Egyptian MS patients and 85 matched healthy controls underwent neuropsychological testing using the BICAMS Arabic version (Egyptian dialect) battery including the Symbol Digit Modality Test (SDMT), California Verbal Learning Test 2nd edition (CVLT-II), and revised Brief Visuospatial Retention Test- (BVRT-R). Test–retest data were obtained from MS patients 2 weeks after the initial assessment. Mean differences between both groups were assessed controlling for age, gender, and educational level.
Results
The MS patients scored significantly lower on the SDMT, CVLT-II, and BVMT-R tests compared to healthy controls (p<0.001). For MS patients’ group, intra-observer (test–retest) reliability was satisfactory for SDMT, CVLT-II total, and BVRT-R total with r values of 0.85, 0.61, and 0.68, respectively.
Conclusion
BICAMS Arabic version is a reliable and valid tool for cognitive assessment of Arabic speaking MS patients in different clinical and research settings.
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Senousy MA, Shaker OG, Sayed NH, Fathy N, Kortam MA. LncRNA GAS5 and miR-137 Polymorphisms and Expression are Associated with Multiple Sclerosis Risk: Mechanistic Insights and Potential Clinical Impact. ACS Chem Neurosci 2020; 11:1651-1660. [PMID: 32348112 DOI: 10.1021/acschemneuro.0c00150] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The pathogenesis of multiple sclerosis (MS) is influenced by the interaction of genetic and epigenetic mechanisms. The long noncoding RNA GAS5 acts as a competing endogenous RNA for microRNA-137 and is involved in demyelination. We investigated the association of GAS5 and miR-137 expression and their polymorphisms with MS susceptibility. One hundred and eight MS patients and 104 healthy controls were included. Expression analysis and genotyping of GAS5-rs2067079 and miR-137-rs1625579 single nucleotide polymorphisms were performed by qPCR. Serum GAS5 was upregulated, while serum miR-137 was downregulated in MS compared with the controls. Serum miR-137 was an excellent discriminator of MS patients from the controls (AUC = 0.97) and a negative independent predictor of MS in multivariate logistic analysis. Serum GAS5 expression was positively correlated with the expanded disability status scale scores in the relapsing-remitting MS patients. The rs2067079TT minor homozygote genotype was associated with an increased MS risk, while the rs1625579G minor allele was protective. rs1625579 showed an age-specific effect, while the rs2067079 affected the MS risk in gender- and age-specific manners. In MS patients, rs2067079TT was associated with a higher serum GAS5 than other genotypes, while serum miR-137 did not differ between rs1625579 genotypes. Our results suggest serum GAS5 and miR-137 as MS biomarkers, with miR-137 as a negative predictor of MS risk and GAS5 as a marker of MS severity. We propose rs2067079 and rs1625579 as novel genetic markers of MS susceptibility, and at least, rs2067079 possibly impacts the crosstalk between GAS5 and miR-137.
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Affiliation(s)
- Mahmoud A. Senousy
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Olfat G. Shaker
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo 11562, Egypt
| | - Noha H. Sayed
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Nevine Fathy
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Mona A. Kortam
- Biochemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
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Yamout BI. Epidemiology and phenotypes of multiple sclerosis in the Middle East North Africa (MENA) region. Mult Scler J Exp Transl Clin 2020; 6:2055217319841881. [PMID: 31984137 PMCID: PMC6961141 DOI: 10.1177/2055217319841881] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 02/27/2019] [Indexed: 11/26/2022] Open
Abstract
The Middle East North Africa (MENA) region falls in the low-to-moderate multiple sclerosis (MS) prevalence zone, with prevalence rates slightly lower than Southern Europe but much higher than sub-Saharan Africa. However, there is clearly a trend toward increased MS prevalence over the last few decades, consistent with the globally rising prevalence of the disease. We analyzed all data collected from the MENACTRIMS (Middle East North Africa Committee for Treatment and Research in Multiple Sclerosis) registry by the end of December 2018. A total of 6885 patients were eligible for the study. Overall, the clinical phenotype of MS in the MENA region was not different from the Western phenotype except for earlier age at onset and a more aggressive clinical course leading to earlier disability.
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Affiliation(s)
- Bassem I Yamout
- American University of Beirut Faculty of
Medicine, Nehme and Therese Multiple Sclerosis Center, Beirut, Lebanon
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Youssef AEH, Dief AE, El Azhary NM, Abdelmonsif DA, El-fetiany OS. LINGO-1 siRNA nanoparticles promote central remyelination in ethidium bromide-induced demyelination in rats. J Physiol Biochem 2019; 75:89-99. [DOI: 10.1007/s13105-018-00660-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 12/13/2018] [Indexed: 12/20/2022]
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Gerges SE, Alosh TK, Khalil SH, El Din MMW. Relevance of Helicobacter pylori infection in Egyptian multiple sclerosis patients. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2018; 54:41. [PMID: 30595647 PMCID: PMC6290718 DOI: 10.1186/s41983-018-0043-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/18/2018] [Indexed: 12/13/2022] Open
Abstract
Background Multiple sclerosis (MS) is an autoimmune demyelinating disorder. The etiology of MS remains unknown exactly. Helicobacter pylori heat shock proteins were suggested as a potential trigger of immune system causing MS. Objectives The aim of this study was to assess the level of anti-Helicobacter pylori heat shock proteins 60 (Hp hsp60) antibodies at patients of MS and to correlate it with various epidemiological and clinical data. Subjects and methods This study design was a cross-sectional case control one. A total of 65 patients with multiple sclerosis diagnosed according to 2010 revised McDonald criteria and other 65 age- and sex-matched healthy controls were included in this study. All participants were subjected to full history taking, complete neurological examination including Expanded Disability Status Scale (EDSS) for the patients, measurement of serum level of anti-Hp hsp60 IgG using ELISA technique, and MRI brain for all the patients, being a goldstone for inclusion in the study. Results There was statistically significant high level of anti-Hp hsp60 IgG at MS patients especially secondary progressive multiple sclerosis (SPMS) patients. Moreover, a positive statistically significant correlation was found between it and age of patients, duration of illness, and EDSS. Conclusion We conclude that hsp60 of Hp may be a useful biomarker for attesting course progression in MS.
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Affiliation(s)
- Steven Emil Gerges
- Faculty of Medicine, Ain Shams University, 19 Awad Fahmy st-El Zatoun, Cairo, Egypt
| | - Taha Kamel Alosh
- Faculty of Medicine, Ain Shams University, 19 Awad Fahmy st-El Zatoun, Cairo, Egypt
| | - Salma Hamed Khalil
- Faculty of Medicine, Ain Shams University, 19 Awad Fahmy st-El Zatoun, Cairo, Egypt
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Hamdy SM, Abdel-Naseer M, Shalaby NM, Elmazny AN, Nemr AA, Hassan A, Hegazy MI, Mourad HS, Kishk NA, Nada MA, Abdelalim A, Fouad AM, Shehata HS. Characteristics and predictors of progression in an Egyptian multiple sclerosis cohort: a multicenter registry study. Neuropsychiatr Dis Treat 2017; 13:1895-1903. [PMID: 28765711 PMCID: PMC5525902 DOI: 10.2147/ndt.s140869] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Multiple sclerosis (MS) is a complex autoimmune disease with a heterogeneous presentation and diverse disease course. Recent studies indicate a rising prevalence of MS in the Middle East. OBJECTIVE To characterize the demographics and disease features of Egyptian patients attending four tertiary referral MS centers in Cairo. MATERIALS AND METHODS This was a retrospective, observational study on 1,581 patients between 2001 and 2015. Medical records were reviewed and data were identified and extracted in a standardized electronic registry. RESULTS The mean age of disease onset was 26.6±7.8 years, with the majority being female (2.11:1). Relapsing-remitting MS was the most common type (75.1%). The main presenting symptom was motor weakness (43.9%), which was also the most frequent symptom during the disease course. Family history of MS was found in 2.28%. Higher initial Expanded Disability Status Scale score, black holes, and infratentorial lesions on initial magnetic resonance imaging were independent factors for disease progression by univariate analysis (OR 3.87 [95% CI 1.84-6.51], 4.14 [95% CI 3.08-5.58], 4.07 [95% CI 3.21-4.99], respectively); however, in multivariate analysis, only infratentorial lesions were an independent risk for disease progression (OR 6, 95% CI 2.99-12.02; P=0.0005). CONCLUSION The results from this registry - the largest for MS in the Arab region to date - are comparable to other registries with slight differences.
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Affiliation(s)
| | | | | | | | - Ahmed A Nemr
- Neurology Department, Maadi Military Hospital, Cairo, Egypt
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