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Yang L, Liang Y, Pu J, Cai L, Gao R, Han F, Chang K, Pan S, Wu Z, Zhang Y, Wang Y, Song J, Wu H, Tang J, Wang X. Dysregulated serum lipid profile is associated with inflammation and disease activity in primary Sjögren's syndrome: a retrospective study in China. Immunol Lett 2024; 267:106865. [PMID: 38705483 DOI: 10.1016/j.imlet.2024.106865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 04/23/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
PURPOSE To investigate the relationship between the lipid profiles of patients with primary Sjögren's syndrome (pSS) and other clinical characteristics, laboratory examination, disease activity, and inflammatory factors. In addition, the risk factors for hyperlipidemia-related complications of pSS and the effect of hydroxychloroquine (HCQ) usage on the lipid profile were incorporated into this study. METHODS This is a single-center, retrospective study that included 367 patients who were diagnosed with pSS at Tongji Hospital, School of Medicine, Tongji University, China from January 2010 to March 2022. Initially, demographic information, clinical characteristics, medication records, and complications of the patients were gathered. A case-control analysis compared the 12 systems involvement (ESSDAI domain), clinical symptoms, and laboratory tests between pSS patients with and without dyslipidemia. A simple linear regression model was employed to investigate the relationship between serum lipid profile and inflammatory factors. Logistics regression analysis was performed to assess variables for hyperlipidemia-related complications of pSS. The paired t-test was then used to evaluate the improvement in lipid profile among pSS patients. RESULTS 48.7 % of all pSS patients had dyslipidemia, and alterations in lipid levels were related to gender, age, and smoking status but not body mass index (BMI). Dyslipidemia is more prevalent in pSS patients who exhibit heightened autoimmunity and elevated levels of inflammation. Higher concentrations of multiple highly inflammatory factors correlate with a more severe form of dyslipidemia. Non-traditional cardiovascular risk factors may contribute to hyperlipidemia-related complications of pSS, such as increased, low complement 3 (C3) and low C4. According to our study, HCQ usage may protect against lipid-related disease in pSS. CONCLUSION Attention should be paid to the dyslipidemia of pSS. This research aims to clarify the population portrait of pSS patients with abnormal lipid profiles and provides insights into the correlation between metabolism and inflammation in individuals with pSS and the potential role they play in the advancement of the disease. These findings provide novel avenues for further understanding the underlying mechanisms of pSS pathogenesis.
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Affiliation(s)
- Lufei Yang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Yuanyuan Liang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Jincheng Pu
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Li Cai
- Department of Science and Research, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Ronglin Gao
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Fang Han
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Keni Chang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Shengnan Pan
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Zhenzhen Wu
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Youwei Zhang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Yanqing Wang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Jiamin Song
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Huihong Wu
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Jianping Tang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China..
| | - Xuan Wang
- Department of Rheumatology and Immunology, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China..
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Jellinger KA. Cognitive impairment in multiple sclerosis: from phenomenology to neurobiological mechanisms. J Neural Transm (Vienna) 2024:10.1007/s00702-024-02786-y. [PMID: 38761183 DOI: 10.1007/s00702-024-02786-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/08/2024] [Indexed: 05/20/2024]
Abstract
Multiple sclerosis (MS) is an autoimmune-mediated disease of the central nervous system characterized by inflammation, demyelination and chronic progressive neurodegeneration. Among its broad and unpredictable range of clinical symptoms, cognitive impairment (CI) is a common and disabling feature greatly affecting the patients' quality of life. Its prevalence is 20% up to 88% with a wide variety depending on the phenotype of MS, with highest frequency and severity in primary progressive MS. Involving different cognitive domains, CI is often associated with depression and other neuropsychiatric symptoms, but usually not correlated with motor and other deficits, suggesting different pathophysiological mechanisms. While no specific neuropathological data for CI in MS are available, modern research has provided evidence that it arises from the disease-specific brain alterations. Multimodal neuroimaging, besides structural changes of cortical and deep subcortical gray and white matter, exhibited dysfunction of fronto-parietal, thalamo-hippocampal, default mode and cognition-related networks, disruption of inter-network connections and involvement of the γ-aminobutyric acid (GABA) system. This provided a conceptual framework to explain how aberrant pathophysiological processes, including oxidative stress, mitochondrial dysfunction, autoimmune reactions and disruption of essential signaling pathways predict/cause specific disorders of cognition. CI in MS is related to multi-regional patterns of cerebral disturbances, although its complex pathogenic mechanisms await further elucidation. This article, based on systematic analysis of PubMed, Google Scholar and Cochrane Library, reviews current epidemiological, clinical, neuroimaging and pathogenetic evidence that could aid early identification of CI in MS and inform about new therapeutic targets and strategies.
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Affiliation(s)
- Kurt A Jellinger
- Institute of Clinical Neurobiology, Alberichgasse 5/13, Vienna, A-1150, Austria.
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Sanaie S, Koohi N, Mosaddeghi-Heris R, Rezai S, Movagharnia E, Karimi H, Moghaddamziabari S, Hamzehzadeh S, Gholipour-Khalili E, Talebi M, Naseri A. Serum lipids and cognitive outcomes in multiple sclerosis; a systematic review and meta-analysis. Mult Scler Relat Disord 2024; 85:105530. [PMID: 38522226 DOI: 10.1016/j.msard.2024.105530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/19/2023] [Accepted: 02/28/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Cognitive impairment is highly prevalent in multiple sclerosis (MS) with poorly understood underlying mechanisms. Lipids are considered to be associated with MS progression through the inflammatory and oxidative stress pathways, brain atrophy, cellular signaling, and tissue physiology. In addition, serum lipids are proposed as a modifiable factor affecting the neuropsychiatric condition; therefore, this study aims to assess the association between serum lipid levels and cognitive outcomes in MS. METHODS This study was carried out following the PRISMA 2020 statement. A systematic search was conducted in PubMed, Scopus, Web of Science, and Embase in March 2023, and the Joanna Briggs Institute (JBI)'s critical appraisal tools were utilized for risk of bias (RoB) assessments in the included studies. The quantitative synthesis was performed with the comprehensive meta-analysis (CMA3) software. RESULTS Out of 508 screened records, 7 studies were eventually found to meet our inclusion criteria. In two studies, the course of MS in the sample of the study was only Relapsing-Remitting MS (RRMS), whereas the other five studies' sample was a combination of different phenotypes. Studies utilized different scales such as Minimal Assessment of Cognitive Function in MS (MACFIMS), Brief International Cognitive Assessment for MS (BICAMS), Montreal Cognitive Assessment (MoCA), Brief Repeatable Battery of Neuropsychological Tests (BRB-N) for cognitive evaluations. Dealing with possible confounders such as age, disease duration and level of disability was the most common possible source of bias in the included studies. One study revealed an inverse relationship between serum levels of apolipoproteins (including ApoA-I, ApoB, and ApoB/ApoA-I) and Symbol Digit Modalities Test (SDMT) scores. Also, a correlation between 24S-hydroxycholesterol (24OHC) serum concentrations and SDMT score was reported in one study. The association between serum total cholesterol (TC) and low-density lipoprotein cholesterol (LDL) and different aspects of cognitive function was reported in the studies; however, serum levels of high-density lipoprotein cholesterol (HDL) were not found to be associated. The quantitative synthesis revealed a significant correlation between TC and the MoCA scores (r =-0.238; 95 %CI: -0.366 to -0.100; p-value = 0.001); however, the correlation between TG levels and MoCA were not statistically significant (r:-0.070; 95 %CI: -0.209 to 0.072; p-value: 0.334). In addition, the mata-analyses were not associated with significant findings regarding the correlation between lipid profiles (including HDL, LDL, TG, and TC) and other cognitive assessment scales including SDMT, Brief Visuospatial Memory Test (BVMT), and California Verbal Learning Test (CVLT) (p-values>0.05). DISCUSSION Available evidence suggested a link between TC and LDL with cognitive outcomes of MS patients which was not evident in our quantitative synthesis. The limited number of studies, high RoB, different cognitive assessment scales and reporting methods, and the cross-sectional design of the included studies, were the main limitations that alleviate the clinical significance of the findings of this study and suggested further investigations on this topic. FUNDING AND REGISTRATION The research protocol was approved and supported by the Student Research Committee, Tabriz University of Medical Sciences (grant number: 71,909). This study is registered in the international prospective register of systematic reviews (PROSPERO ID: CRD42023441625).
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Affiliation(s)
- Sarvin Sanaie
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz 5166614756, Iran
| | - Narges Koohi
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Reza Mosaddeghi-Heris
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz 5166614756, Iran
| | - Shirin Rezai
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elahe Movagharnia
- Research Center for Evidence-Based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hanie Karimi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Sina Hamzehzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mahnaz Talebi
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz 5166614756, Iran.
| | - Amirreza Naseri
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Research Center for Evidence-Based Medicine, Iranian EBM Centre: A Joanna Briggs Institute (JBI) Center of Excellence, Tabriz University of Medical Sciences, Tabriz, Iran; Tabriz USERN Office, Universal Scientific Education and Research Network (USERN), Tabriz, Iran.
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Makkawi S, Maglan A, Khojah O, Allaf F, Alamoudi S, Ahmed ME, Alsharif R, Altayeb M, Alharthi A, Abulaban A, Al Malik Y. Patterns of multiple sclerosis presentation to the emergency department. Front Neurol 2024; 15:1395822. [PMID: 38737348 PMCID: PMC11082281 DOI: 10.3389/fneur.2024.1395822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 04/15/2024] [Indexed: 05/14/2024] Open
Abstract
Background Multiple sclerosis (MS) patients are no strangers to the emergency department (ED) due to the relapsing and progressive nature of the disease and the associated complications. This study aimed to identify patterns of ED visits among patients diagnosed with MS, the underlying causes of these visits, and the factors associated with these visits. Methods This was a single center retrospective cohort study which utilized a non-probability consecutive sampling technique to include all patients diagnosed with MS (471 patients) from March 2016 to October 2021 in King Abdulaziz Medical City, Jeddah, Saudi Arabia. ED visits were categorized as directly related to MS, indirectly related to MS, or unrelated to MS. Results One in four people with MS visited the ED at least once with a total of 280 ED visits. Most ED visits were ones directly related to MS 43.6%, closely followed by unrelated to MS 41.1%, and then indirectly-related MS visits 15.4%. The most common presenting symptoms in directly-related MS visits were weakness 56.6% and numbness/tingling 56.6% followed by gait impairment 29.5%. Indirectly related to MS or unrelated to MS ED visits were commonly due to neurological 17.7% and gastrointestinal 17.1% causes. Using disease modifying therapy (DMT) was significantly associated with no ED visits (p < 0.001). The use of high-efficacy DMTs was significantly associated with no ED visits than using moderate efficacy DMT (p < 0.001). The use of B-cell depleting therapy (ocrelizumab and rituximab) was significantly associated with no visits to the ED than using any other DMT (p < 0.001). Evidence of brain atrophy on imaging was significantly associated with patients who presented to the ED ≥3 times (p = 0.006, UOR = 3.92). Conclusion Due to the nature of the disease, many MS patients find themselves visiting the ED due to MS related and unrelated issues. These patients are not only required to be treated by neurologists but also by multiple disciplines. The use of high-efficacy DMTs and B-cell depleting therapy may reduce the total frequency of ED visits. Special attention should be paid to patients who have evidence of brain atrophy on imaging.
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Affiliation(s)
- Seraj Makkawi
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Department of Neurosciences, Ministry of the National Guard-Health Affairs, Jeddah, Saudi Arabia
| | - Alaa Maglan
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Department of Neurosciences, Ministry of the National Guard-Health Affairs, Jeddah, Saudi Arabia
| | - Osama Khojah
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- Department of Neurosciences, Ministry of the National Guard-Health Affairs, Jeddah, Saudi Arabia
| | - Faris Allaf
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Saeed Alamoudi
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- Fellowship and Residency Training Program, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | - Mohamed Eldigire Ahmed
- College of Basic Sciences and Health Professions, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Rawaf Alsharif
- Department of Neurology, Ministry of the National Guard-Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Meral Altayeb
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- Department of Surgery, Ministry of the National Guard-Health Affairs, Jeddah, Saudi Arabia
| | - Abdulrhman Alharthi
- Department of Neurosciences, Ministry of the National Guard-Health Affairs, Jeddah, Saudi Arabia
| | - Ahmad Abulaban
- Department of Neurology, Ministry of the National Guard-Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Yaser Al Malik
- Department of Neurology, Ministry of the National Guard-Health Affairs, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
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Vural G, Gumusyayla S, Karakoyunlu Eren F, Barakli S, Demir Unal E, Neselioglu S, Erel O. Relationship between pattern reversal visual evoked potential P100 wave latency and dysfunctional HDL in patients with multiple sclerosis subjected to an optic neuritis attack: A case-control study. Medicine (Baltimore) 2024; 103:e37115. [PMID: 38335440 PMCID: PMC10860982 DOI: 10.1097/md.0000000000037115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/06/2024] [Accepted: 01/09/2024] [Indexed: 02/12/2024] Open
Abstract
Optic neuritis frequently occurs during the clinical course of multiple sclerosis (MS). In this condition, demyelination of the optic nerve occurs, which electrophysiologically causes a delay in P100 wave latency. Sensitive cholesterol homeostasis is critical for the formation of the myelin sheath and for myelin to become functionally mature. High-density lipoprotein (HDL) becomes dysfunctional under oxidative stress and plays an important role in the pathogenesis of MS. In this study, HDL levels of MS patients suffering from optic neuritis were compared with those of healthy individuals, and the relationship between pattern reversal visual evoked potential (PRVEP) P100 wave latency and HDL levels in patients with optic neuritis attacks was analyzed. PRVEP studies were performed in patients with MS who had an episode of optic neuritis, and P100 wave latencies were measured. Peripheral blood samples were collected from healthy participants and patients. Lipid levels and myeloperoxidase (MPO) and paraoxonase (PON) activities were measured, and the MPO/PON ratio was then calculated. The lipid profiles and dysfunctional HDL levels in the healthy and patient groups were compared. Finally, the relationship between these parameters and the PRVEP-P100 wave latency was examined. Total cholesterol and low-density lipoprotein (LDL) levels were significantly higher in the patient group (P = .044; P = .038, respectively). There was no statistically significant difference in HDL levels between groups (P = .659). The distribution of MPO values was similar between groups (P = .452). PON values were significantly lower, whereas the MPO/PON ratios were significantly higher in the patient group than in the control group (P = .025; P = .028, respectively). A statistically significant positive correlation was found between the elevated MPO/PON ratio, representing dysfunctional HDL, and both the mean and maximum PRVEP-P100 wave latencies (P < .001, R = 0.690; P < .001, R = 0.815, respectively). A dysfunctional form of HDL may lead to poor deactivation of remyelination-limiting factors and may ultimately be associated with poor outcomes in optic neuritis.
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Affiliation(s)
- Gonul Vural
- Department of Neurology, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
- Department of Neurology, Ankara City Hospital, Ankara, Turkey
| | - Sadiye Gumusyayla
- Department of Neurology, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
- Department of Neurology, Ankara City Hospital, Ankara, Turkey
| | | | - Serdar Barakli
- Department of Neurology, Ankara City Hospital, Ankara, Turkey
- Department of Neurology, Sungurlu State Hospital, Corum, Turkey
| | - Esra Demir Unal
- Department of Neurology, Ankara City Hospital, Ankara, Turkey
- Department of Neurology, Yenimahalle Training and Research Hospital, Ankara, Turkey
| | - Salim Neselioglu
- Department of Clinical Biochemistry, Ankara City Hospital, Ankara, Turkey
- Department of Clinical Biochemistry, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
| | - Ozcan Erel
- Department of Clinical Biochemistry, Ankara City Hospital, Ankara, Turkey
- Department of Clinical Biochemistry, Faculty of Medicine, Ankara Yildirim Beyazit University, Ankara, Turkey
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Wang H, Qiu H, Gu X, Zhang Y, Wang S. The association between sarcopenia and incident chronic lung disease in the general population: A longitudinal study based on CHARLS data. Exp Gerontol 2023; 180:112257. [PMID: 37467900 DOI: 10.1016/j.exger.2023.112257] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/21/2023]
Abstract
BACKGROUND Data regarding the association of sarcopenia with chronic lung disease (CLD) has led to inconclusive results. The main goal of this research was to investigate the association between sarcopenia and CLD in middle-aged and elderly individuals in China. METHODS The study sample consisted of 11,077 individuals without CLD at baseline chosen from the China Health and Retirement Longitudinal Study (CHARLS) data from 2015, followed up until 2018. Sarcopenia was identified utilizing the criteria set by the Asian Working Group on Sarcopenia (AWGS 2019) in 2019. Individuals were categorized into no-sarcopenia, possible-sarcopenia, and sarcopenia groups. The outcome of the study was considered to be incident CLD, which included chronic bronchitis, emphysema, pulmonary heart disease, and asthma. The association between sarcopenia and the risk of CLD was also examined by employing weighted Cox proportional hazard regression models. RESULTS A total of 356 (3.20 %) participants developed CLD during the 3.6-year follow-up period. The cumulative incidence of CLD in the no-sarcopenia, possible-sarcopenia, and sarcopenia groups was 2.80 % (230/8222), 4.37 % (55/1260), and 4.45 % (71/1595), respectively. Individuals with possible sarcopenia {hazard ratio [HR] [95 % confidence interval (CI)]: 1.48 [1.04-2.09]} and sarcopenia [HR (95 % CI): 1.68 (1.12-2.51)] demonstrated a considerably high risk of developing CLD compared to individuals in the no-sarcopenia group. Moreover, individuals diagnosed with sarcopenia, as per the criteria established by the European Working Group on Sarcopenia in Older People (EWGSOP) 2018, were at considerably high risk for developing CLD compared to those in the no-sarcopenia group. CONCLUSION This research involving adult Chinese individuals demonstrated a significant association between, possible sarcopenia and sarcopenia with an elevated risk of incident CLD, thereby emphasizing the importance of monitoring respiratory health in this population. KEY POINTS Question: Whether muscle mass and sarcopenia are associated with the development of chronic lung disease (CLD) in Asian middle-aged and elderly individuals. FINDINGS This longitudinal study encompassing 11,077 adults aged ≥45 years from the China Health and Retirement Longitudinal Study (CHARLS) data with 3.6 years of follow-up revealed a positive association between sarcopenia at baseline and incidence of CLD. Meaning: The findings suggest that possible sarcopenia and sarcopenia are linked to the development of CLD. Consequently, middle-aged and elderly individuals with possible sarcopenia and sarcopenia can be considered vulnerable regarding the primary prevention strategies for CLD.
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Affiliation(s)
- Hongxiang Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China
| | - Hongbin Qiu
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China
| | - Xia Gu
- Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China
| | - Yiying Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jiamusi University, Jiamusi, China.
| | - Shanjie Wang
- Department of Cardiology, Second Affiliated Hospital of Harbin Medical University, Harbin, China; The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, China.
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Al-Kuraishy HM, Al-Gareeb AI, Saad HM, Batiha GES. The potential therapeutic effect of statins in multiple sclerosis: beneficial or detrimental effects. Inflammopharmacology 2023:10.1007/s10787-023-01240-x. [PMID: 37160526 DOI: 10.1007/s10787-023-01240-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/11/2023]
Abstract
Multiple sclerosis (MS) is a chronic progressive disabling disease of the central nervous system (CNS) characterized by demyelination and neuronal injury. Dyslipidemia is observed as one of the imperative risk factors involved in MS neuropathology. Also, chronic inflammation in MS predisposes to the progress of dyslipidemia. Therefore, treatment of dyslipidemia in MS by statins may attenuate dyslipidemia-induced MS and avert MS-induced metabolic changes. Therefore, the present review aimed to elucidate the possible effects of statins on the pathogenesis and outcomes of MS. Statins adversely affect the cognitive function in MS by decreasing brain cholesterol CoQ10, which is necessary for the regulation of neuronal mitochondrial function. However, statins could be beneficial in MS by shifting the immune response from pro-inflammatory Th17 to an anti-inflammatory regulatory T cell (Treg). The protective effect of statins against MS is related to anti-inflammatory and immunomodulatory effects with modulation of fibrinogen and growth factors. In conclusion, the effects of statins on MS neuropathology seem to be conflicting, as statins seem to be protective in the acute phase of MS through anti-inflammatory and antioxidant effects. However, statins lead to detrimental effects in the chronic phase of MS by reducing brain cholesterol and inhibiting the remyelination process.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Professor in Department of Clinical Pharmacology and Therapeutic Medicine, College of Medicine, ALmustansiriyiah University, M. B. Ch. B, FRCP, Box 14132, Baghdad, Iraq
| | - Ali I Al-Gareeb
- Professor in Department of Clinical Pharmacology and Therapeutic Medicine, College of Medicine, ALmustansiriyiah University, M. B. Ch. B, FRCP, Box 14132, Baghdad, Iraq
| | - Hebatallah M Saad
- Department of Pathology, Faculty of Veterinary Medicine, Matrouh University, Marsa Matrouh, 51744, Egypt.
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, AlBeheira, Egypt.
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Silva AS, Guimarães J, Sousa C, Mendonça L, Soares-Dos-Reis R, Mendonça T, Abreu P, Sequeira L, Sá MJ. Metabolic syndrome parameters and multiple sclerosis disease outcomes: A Portuguese cross-sectional study. Mult Scler Relat Disord 2023; 69:104370. [PMID: 36401965 DOI: 10.1016/j.msard.2022.104370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/31/2022] [Accepted: 10/21/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Metabolic syndrome and multiple sclerosis [MS] share the presence of chronic inflammation in their pathogenic mechanisms. This study aimed to estimate the prevalence of metabolic syndrome parameters in MS and their association with disease disability, cognitive function, and Neurofilament Light chain [NfL] levels. METHODS Clinical, analytical, and magnetic resonance imaging data were obtained through medical records. Disease disability was measured by the Expanded Disability Status Scale [EDSS], the MS Severity Scale [MSSS] along with cognitive impairment by the Brief International Cognitive Assessment for MS [BICAMS] and Word List Generation test [WLG]. Metabolic syndrome parameters were evaluated by fasting blood glucose, triglycerides, high-density lipoprotein cholesterol [HDL-C], low-density lipoprotein cholesterol, total cholesterol, blood pressure, and waist circumference [WC]. We also analysed serum leptin and ghrelin and cerebrospinal fluid NfL. RESULTS Our sample included 51 people with MS, 34 (66.7%) females, mean age of 38.20±12.12 years and median disease duration of 3 years (P25=2.0, P75=5.0). Multivariate linear regression analysis confirmed that WC correlates with EDSS (β=0.04, p=.001) and MSSS (β=0.07, p=.002) as well as Brief Visuospatial Memory Test-Revised (β=-0.29, p=.008), WLG (β=-0.20, p=.039). NfL is also negatively associated with HDL-C (β=-4.51, p=.038). CONCLUSIONS Waist circumference is associated with disability and deficits in cognitive tests. A decrease in HDL-C is associated with an increase in NfL. This suggests metabolic syndrome might be an important factor in MS disease course.
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Affiliation(s)
- Ana Sofia Silva
- Faculty of Medicine of the University of Porto, Al. Prof. Hernâni Monteiro, Porto 4200-319, Portugal.
| | - Joana Guimarães
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal; Department of Clinical Neurosciences and Mental Health, Faculty of Medicine of the University of Porto, Portugal; Center for Drug Discovery and Innovative Medicines (MedInUP), University of Porto, Portugal
| | - Cláudia Sousa
- Neuropsychological Unit, Department of Psychology, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Liliana Mendonça
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Ricardo Soares-Dos-Reis
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal; Department of Clinical Neurosciences and Mental Health, Faculty of Medicine of the University of Porto, Portugal; i3S, University of Porto, Portugal
| | - Teresa Mendonça
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Pedro Abreu
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal; Department of Clinical Neurosciences and Mental Health, Faculty of Medicine of the University of Porto, Portugal
| | - Lucinda Sequeira
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal
| | - Maria José Sá
- Neurology Department, Centro Hospitalar Universitário São João, Porto, Portugal; Faculty of Health Sciences, University Fernando Pessoa, Porto, Portugal
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Cholesterol pathway biomarkers are associated with neuropsychological measures in multiple sclerosis. Mult Scler Relat Disord 2023; 69:104374. [PMID: 36403378 DOI: 10.1016/j.msard.2022.104374] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 10/03/2022] [Accepted: 10/23/2022] [Indexed: 11/18/2022]
Abstract
BACKGROUND Cognitive impairment (CI) is frequent in persons with multiple sclerosis (PwMS) and is linked to neurodegeneration. Cholesterol pathway biomarkers (CPB) are associated with blood-brain barrier breakdown, lesions, and neurodegeneration in multiple sclerosis (MS). CPB could influence CI. METHODS This cross-sectional study (n = 163) included 74 relapsing-remitting MS (RR-MS), 48 progressive MS (P-MS) and 41 healthy control (HC) subjects. The assessed physical disability and cognitive measures were: Nine-hole Peg Test (NHPT), Timed 25-Foot Walk, Symbol Digit Modalities Test (SDMT), Paced Auditory Serial Addition Test-3, and Beck Depression Inventory-Fast Screen. CPB panel included plasma total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and the apolipoproteins (Apo), ApoA-I, ApoA-II, ApoB, ApoC-II and ApoE. Disability and cognitive measures were assessed as dependent variables in regression analyzes with age, sex, body mass index, years of education, HC vs. RR-MS vs. P-MS status, CPB, and a HC vs. RR-MS vs. P-MS status × CPB interaction term as predictors. RESULTS SDMT was associated with the interaction terms for HDL-C (p = 0.045), ApoA-I (p = 0.032), ApoB (p = 0.032), TC/HDL-C (p = 0.013), and ApoB/ApoA-I (p = 0.008) ratios. CPB associations of SDMT were not abrogated upon adjusting for brain parenchymal volume. NHPT performance was associated with the interaction terms for TC (p = 0.047), LDL-C (p = 0.017), ApoB (p = 0.001), HDL-C (p = 0.035), ApoA-I (p = 0.032), ApoC-II (p = 0.049) and ApoE (p = 0.037), TC/HDL-C (p < 0.001), and ApoB/ApoA-I ratios (p < 0.001). CONCLUSIONS The LDL to HDL proportion is associated with SDMT and NHPT in MS. The findings are consistent with a potential role for CPB in CI.
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Fernández-Calle R, Konings SC, Frontiñán-Rubio J, García-Revilla J, Camprubí-Ferrer L, Svensson M, Martinson I, Boza-Serrano A, Venero JL, Nielsen HM, Gouras GK, Deierborg T. APOE in the bullseye of neurodegenerative diseases: impact of the APOE genotype in Alzheimer’s disease pathology and brain diseases. Mol Neurodegener 2022; 17:62. [PMID: 36153580 PMCID: PMC9509584 DOI: 10.1186/s13024-022-00566-4] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 08/29/2022] [Indexed: 02/06/2023] Open
Abstract
ApoE is the major lipid and cholesterol carrier in the CNS. There are three major human polymorphisms, apoE2, apoE3, and apoE4, and the genetic expression of APOE4 is one of the most influential risk factors for the development of late-onset Alzheimer's disease (AD). Neuroinflammation has become the third hallmark of AD, together with Amyloid-β plaques and neurofibrillary tangles of hyperphosphorylated aggregated tau protein. This review aims to broadly and extensively describe the differential aspects concerning apoE. Starting from the evolution of apoE to how APOE's single-nucleotide polymorphisms affect its structure, function, and involvement during health and disease. This review reflects on how APOE's polymorphisms impact critical aspects of AD pathology, such as the neuroinflammatory response, particularly the effect of APOE on astrocytic and microglial function and microglial dynamics, synaptic function, amyloid-β load, tau pathology, autophagy, and cell–cell communication. We discuss influential factors affecting AD pathology combined with the APOE genotype, such as sex, age, diet, physical exercise, current therapies and clinical trials in the AD field. The impact of the APOE genotype in other neurodegenerative diseases characterized by overt inflammation, e.g., alpha- synucleinopathies and Parkinson's disease, traumatic brain injury, stroke, amyotrophic lateral sclerosis, and multiple sclerosis, is also addressed. Therefore, this review gathers the most relevant findings related to the APOE genotype up to date and its implications on AD and CNS pathologies to provide a deeper understanding of the knowledge in the APOE field.
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11
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Associations among drinking water quality, dyslipidemia, and cognitive function for older adults in China: evidence from CHARLS. BMC Geriatr 2022; 22:683. [PMID: 35982405 PMCID: PMC9386986 DOI: 10.1186/s12877-022-03375-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 07/29/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The current study aimed to examine the association between drinking water quality and cognitive function and to identify the direct and indirect effects of drinking water quality and dyslipidemia on cognitive function among older adults in China. METHODS Primary data for the study were selected from China Health and Retirement Longitudinal Study (CHARLS, 2015) and 4,951 respondents aged 60 and above were included. Data on drinking water quality were selected from the 2015 prefectural water quality data from the Institute of Public and Environment Affairs in China and measured by the Blue City Water Quality Index. Dyslipidemia was measured by self-reported dyslipidemia diagnosis and lipid panel. Three composite measures of cognitive function included mental status, episodic memory, and global cognition. Mixed effects models were conducted to assess the associations between drinking water quality or dyslipidemia and cognitive function. The mediation effects of dyslipidemia were examined by path analyses. RESULTS Exposure to high quality drinking water was significantly associated with higher scores in mental status, episodic memory, and global cognition (β = 0.34, p < 0.001 for mental status; β = 0.24, p < 0.05 for episodic memory; β = 0.58, p < 0.01 for global cognition). Respondents who reported dyslipidemia diagnosis had higher scores in the three composite measures of cognitive function (β = 0.39, p < 0.001 for mental status; β = 0.27 p < 0.05 for episodic memory; β = 0.66, p < 0.001 for global cognition). An elevated blood triglycerides was only associated with higher scores in mental status (β = 0.21, p < 0.05). Self-reported dyslipidemia diagnosis was a suppressor, which increased the magnitude of the direct effect of drinking water quality on mental status, episodic memory, and global cognition. CONCLUSION Drinking water quality was associated with cognitive function in older Chinese and the relationship was independent of natural or socioeconomic variations in neighborhood environments. Improving drinking water quality could be a potential public health effort to delay the onset of cognitive impairment and prevent the dementia pandemic in older people.
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12
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Jin CY, Yu SW, Yin JT, Yuan XY, Wang XG. Corresponding risk factors between cognitive impairment and type 1 diabetes mellitus: a narrative review. Heliyon 2022; 8:e10073. [PMID: 35991978 PMCID: PMC9389196 DOI: 10.1016/j.heliyon.2022.e10073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/24/2022] [Accepted: 07/20/2022] [Indexed: 11/30/2022] Open
Abstract
Type 1 diabetes mellitus (T1DM) is a type of diabetes caused by the destruction of pancreatic β cells and the absolute lack of insulin secretion. T1DM usually starts in adolescence or develops directly as a severe disease state of ketoacidosis. T1DM and its complications make many people suffer and have psychological problems, which make us have to pay more attention to the prevention and early control of T1DM. Cognitive impairment (CI) is one of the major complications of T1DM. It can further develop into Alzheimer's disease, which can seriously affect the quality of life of the elderly. Furthermore, the relationship between T1DM and CI is unclear. Hence, we conducted a narrative review of the existing literature through a PubMed search. We summarized some risk factors that may be associated with the cognitive changes in T1DM patients, including onset age and duration, education and gender, glycemic states, microvascular complications, glycemic control, neuropsychology and emotion, intestinal flora, dyslipidemia, sleep quality. We aimed to provide some content related to CI in T1DM, and hoped that it could play a role in early prediction and treatment to reduce the prevalence. Corresponding risk factors between cognitive impairment and type 1 diabetes mellitus. Duration and age; Education and gender and Glycemic states. Diabetic ketoacidosis; Microvascular complications and Glycemic control–HbA1c. Neuropsychology and emotion; Intestinal flora; Dyslipidemia and Sleep Quality.
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Affiliation(s)
- Chen-Yang Jin
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116011, PR China
| | - Shi-Wen Yu
- The First Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116011, PR China
| | - Jun-Ting Yin
- The Second Affiliated Hospital of Dalian Medical University, Dalian Medical University, Dalian 116027, PR China
| | - Xiao-Ying Yuan
- Department of Anatomy, College of Basic Medicine, Dalian Medical University, Dalian 116044, PR China
- Department of Surgery, The Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, PR China
- Corresponding author.
| | - Xu-Gang Wang
- Department of Neurology, The Second Affiliated Hospital of Dalian Medical University, Dalian 116027, PR China
- Corresponding author.
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Ding Y, Wang L, Sun J, Shi Y, Li G, Luan X, Zheng G, Zhang G. Remnant Cholesterol and Dyslipidemia Are Risk Factors for Guillain–Barré Syndrome and Severe Guillain–Barré Syndrome by Promoting Monocyte Activation. Front Immunol 2022; 13:946825. [PMID: 35911688 PMCID: PMC9326451 DOI: 10.3389/fimmu.2022.946825] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/21/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundGuillain–Barré syndrome (GBS) is the most common severe acute paralytic neuropathy, with a mortality rate of 5% and permanent sequelae rate of 10%. Currently, the cause of GBS remains unclear. Therefore, we sought to determine potential predictors for GBS and its severity.MethodsA case–control study was performed at Tiantan Hospital in Beijing from January 2017 to December 2021. Laboratory and clinical characteristics were assessed in recruited GBS patients and healthy control individuals (matched by sex and age). The potential risk factors for GBS and severe GBS were assessed using a logistic regression analysis. The mRNA levels of toll-like receptor 4 (TLR4), toll-like receptor 2 (TLR2) and nuclear factor κB (NF-κB) in GBS patients and control PBMCs were detected by fluorescence quantitative PCR. THP-1 cells were costimulated with LPS and free cholesterol to demonstrate the effect of free cholesterol on monocyte activation.ResultsA total of 147 GBS patients and 153 healthy individuals were included in the study. Logistic regression analyses showed that preceding infection, alcohol consumption, remnant cholesterol, homocysteine and the dyslipidemia index were correlated with a higher risk of GBS. In contrast, increased HDL cholesterol was correlated with a lower risk of GBS. Moreover, remnant cholesterol and the dyslipidemia index were significantly correlated with severe GBS. The mRNA levels of TLR4, TLR2 and NF-κB in the PBMCs of GBS patients were significantly higher than those of healthy individuals. LPS activated THP-1 cells, and free cholesterol treatment increased the expression of TLR4, TLR2, NF-κB and IL-1β mRNA in LPS-activated THP-1 cells.ConclusionDyslipidemia was correlated with the risk of GBS and severe GBS. Remnant cholesterol may promote the activation of monocytes in GBS patients. It may be valuable to control lipid levels in the prevention of GBS and severe GBS.
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Affiliation(s)
- Yaowei Ding
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Lijuan Wang
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jialu Sun
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yijun Shi
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guoge Li
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xin Luan
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guanghui Zheng
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Medical Products Administration (NMPA) Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guojun Zhang
- Department of Clinical Diagnosis, Laboratory of Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- National Medical Products Administration (NMPA) Key Laboratory for Quality Control of In Vitro Diagnostics, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Engineering Research Center of Immunological Reagents Clinical Research, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Guojun Zhang,
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Naser Moghadasi A. Neglected aspect: Some points on how to deal with cognitive disorders in people with multiple sclerosis. Mult Scler Relat Disord 2021; 58:103465. [PMID: 34933248 DOI: 10.1016/j.msard.2021.103465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/28/2021] [Accepted: 12/11/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Abdorreza Naser Moghadasi
- Multiple Sclerosis Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.
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15
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Xue H, Yang Z, Wang L, Jiang Y, Li J, Wu M, Wang G, Zhang Y, Zhang M. Factors Influencing the Degree of Disability in Patients With Multiple Sclerosis. Front Neurol 2021; 12:714631. [PMID: 34721257 PMCID: PMC8548829 DOI: 10.3389/fneur.2021.714631] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/30/2021] [Indexed: 11/22/2022] Open
Abstract
Objective: To explore the factors influencing the degree of disability in patients with multiple sclerosis (MS), and to provide evidence for its early diagnosis, prognostic evaluation and clinical intervention. Methods: This retrospective observational study included 72 patients with relapsing-remitting multiple sclerosis (RRMS) at the First Hospital of Shanxi Medical University. All patients completed craniocerebral and spinal cord MRI (with or without Gd enhancement) and were evaluated for Expanded Disability Status Score (EDSS) scores before receiving treatment. Results: Among 72 patients with RRMS, 45 (62.5%) had an EDSS score ≤3; A total of 27 patients (37.5%) had an EDSS score >3 points. Univariate analysis showed that age, annual recurrence rate (ARR), drug use, albumin (ALB), triglycerides (TG), and total number of lesions in groups with EDSS score ≤3 were significantly different from those with an EDSS score > 3 points (P < 0.05). Multivariate logistic regression analysis showed that ALB, total number of lesions, and drug use were independent influencing factors of the degree of disability in patients with MS, and the difference was statistically significant (P < 0.05). An ROC curve was constructed using ALB and the total number of lesions. The AUC of ALB was 0.681, P < 0.05, and the best cut-off value was 44.2 g/L. Its sensitivity to predict the degree of disability in patients with multiple sclerosis was 85.2%, while its specificity was 51.1%. The AUC of the total number of lesions was 0.665 (P < 0.05) and the best cut-off value was 5.5. Its sensitivity to predict the degree of disability in patients with multiple sclerosis was 70.4%, while its specificity was 64.4%. The AUC of the combined ALB, total number of lesions, and drug use was 0.795 (P < 0.05), sensitivity was 77.8, and specificity was 73.3%. The optimal diagnostic cut-off value of the regression equation for the EDSS score of patients with multiple sclerosis was 0.420. Conclusion: Serum ALB, total number of lesions, and drug use in patients with multiple sclerosis were independent factors influencing the degree of disability. These findings provide clinical evidence for the prognostic evaluation and early intervention of patients with multiple sclerosis.
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Affiliation(s)
- Huiru Xue
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhenzhen Yang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Li Wang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Yayun Jiang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jiayang Li
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Minghui Wu
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Guilian Wang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Yuanyuan Zhang
- First Hospital of Shanxi Medical University, Taiyuan, China
| | - Meini Zhang
- First Hospital of Shanxi Medical University, Taiyuan, China
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Hardoňová M, Šiarnik P, Siváková M, Suchá B, Vlček M, Imrich R, Turčáni P, Havranová A, Rádiková Ž, Žitňanová I, Dean Z, Penesová A, Kollár B. Autonomic Nervous System Function in Newly Diagnosed Multiple Sclerosis: Association With Lipid Levels and Insulin Resistance. Physiol Res 2021; 70:875-882. [PMID: 34717060 DOI: 10.33549/physiolres.934695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Autonomic nervous system (ANS) disorders are common in multiple sclerosis (MS). Previous studies showed differences in insulin resistance (IR) and lipoprotein levels in MS subjects compared to controls. Lipolysis caused by increased sympathetic activity could be one of the possible linking mechanisms leading to dyslipidemia in MS. Our study aimed to evaluate ANS activity in the context of glucose and lipid metabolism in people with MS. We prospectively measured short-term heart rate variability (HRV), fasting lipoprotein concentrations, and calculated IR indices based on plasma glucose and insulin levels during oral glucose tolerance test (oGTT) in 32 patients with MS and 29 healthy controls matched for age, sex and body mass index in our study. There was no significant difference in HRV parameters and lipoprotein levels between MS and controls. A significant positive correlation was found between low/high-frequency power ratio (LF/HF) and triglycerides (r=0.413, p=0.021) in MS subjects but not in controls. A significantly lower whole-body insulin sensitivity index (ISIMat) was found in patients with MS compared to the control group (7.3±3.7 vs. 9.8±5.6, p=0.041). No significant correlations were found between LF/HF and IR parameters. In MS subjects, the positive correlation of LF/HF with triglycerides could reflect the effects of sympathetic activity on lipolysis. Positive correlations of sympathetic activity with increased lipoprotein levels could rather reflect processes associated with immune system activation/inflammation, than processes involved in glucose homeostasis maintenance.
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Affiliation(s)
- M Hardoňová
- 1st Department of Neurology, Faculty of Medicine, Comenius University, Slovakia.
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Cheng YC, Kuo YC, Chang PC, Li YC, Huang WT, Chen W, Chou CY. Geriatric Functional Impairment Using the Integrated Care for Older People (ICOPE) Approach in Community-Dwelling Elderly and Its Association with Dyslipidemia. Vasc Health Risk Manag 2021; 17:389-394. [PMID: 34262283 PMCID: PMC8274513 DOI: 10.2147/vhrm.s305490] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 06/18/2021] [Indexed: 12/19/2022] Open
Abstract
Background The World Health Organization (WHO) proposed the integrated care for older people (ICOPE) screening tool to identify functional impairment. We explore the association of geriatric functional impairment and hypertension, diabetes, dyslipidemia in the community-dwelling elderly. Methods We enrolled individuals aged at least 65 with hypertension, diabetes, or dyslipidemia; or those aged at least 75 from May to July 2019. We applied ICOPE tools to evaluate six function assessments: cognitive decline, limited mobility, malnutrition, visual impairment, hearing loss, and depressive symptoms. Factors were analyzed using stepwise multivariable linear regression for ICOPE scores and logistic regression for geriatric functional impairment. All analyses were adjusted for age and glomerular filtration rate. Results We enrolled 457 participants including 303 (66.3%) participants with hypertension, 296 (64.8%) diabetes, and 221 (48.4%) dyslipidemia. Seventy-eight (17.1%) participants have at least one geriatric functional impairment, including 41 (25.9%) participants aged ≥ 75 and 37 (12.4%) aged 65–74. The ICOPE score (0.4 ± 0.6) of participants aged at least 75 was higher than that (0.1 ± 0.4) of the participants aged 65–74 (p < 0.001). Dyslipidemia (p = 0.002) was positively associated with ICOPE score. Dyslipidemia (odds ratio: 2.15, 95% confidence interval: 1.27–3.70, p = 0.005), not hypertension (p = 0.3) and diabetes (p = 0.9), was associated with geriatric functional impairment. Visual impairment was the most common function impairment. Female was linked to limited mobility, renal function was associated with mobility (p < 0.001) and nutrition (p = 0.02). Conclusion Dyslipidemia but not hypertension, diabetes is linked to geriatric functional impairment in community-dwelling elderly. Lower renal function is associated with decreased mobility and nutrition. More studies are needed to determine if treatment of dyslipidemia reduces geriatric functional impairment.
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Affiliation(s)
- Ya-Chi Cheng
- Division of Family Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Yi-Chun Kuo
- Community Nursing Room, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Pei-Chi Chang
- Community Nursing Room, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Ya-Ching Li
- Community Nursing Room, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Wan-Ting Huang
- Clinical Medicine Research Center, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Wei Chen
- Division of Pulmonary and Critical Care Medicine, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi City, Taiwan
| | - Che-Yi Chou
- Division of Nephrology, Asia University Hospital, Wufeng, Taichung, Taiwan.,Department of Post-baccalaureate Veterinary Medicine, Asia University, Wufeng, Taichung, Taiwan.,Division of Nephrology, China Medical University Hospital, Taichung, Taiwan
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A Retrospective Exploratory Analysis on Cardiovascular Risk and Cognitive Dysfunction in Multiple Sclerosis. Brain Sci 2021; 11:brainsci11040502. [PMID: 33923390 PMCID: PMC8071566 DOI: 10.3390/brainsci11040502] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/22/2021] [Accepted: 04/13/2021] [Indexed: 11/30/2022] Open
Abstract
Background. Cardiovascular comorbidities have been associated with cognitive decline in the general population. Objectives. To evaluate the associations between cardiovascular risk and neuropsychological performances in MS. Methods. This is a retrospective study, including 69 MS patients. For all patients, we calculated the Framingham risk score, which provides the 10-year probability of developing macrovascular disease, using age, sex, diabetes, smoking, systolic blood pressure, and cholesterol levels as input variables. Cognitive function was examined with the Brief International Cognitive Assessment for MS (BICAMS), including the Symbol Digit Modalities Test (SDMT), the California Verbal Learning Test-II (CVLT-II), and the Brief Visuospatial Memory Test-Revised (BVMT-R). Results. Each point increase of the Framingham risk score corresponded to 0.21 lower CVLT-II score. Looking at Framingham risk score components, male sex and higher total cholesterol levels corresponded to lower CVLT scores (Coeff = −8.54; 95%CI = −15.51, −1.57; and Coeff = −0.11; 95%CI = −0.20, −0.02, respectively). No associations were found between cardiovascular risk and SDMT or BVMT-R. Conclusions. In our exploratory analyses, cardiovascular risk was associated with verbal learning dysfunction in MS. Lifestyle and pharmacological interventions on cardiovascular risk factors should be considered carefully in the management of MS, given the possible effects on cognitive function.
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Castellanos DB, Martín-Jiménez CA, Rojas-Rodríguez F, Barreto GE, González J. Brain lipidomics as a rising field in neurodegenerative contexts: Perspectives with Machine Learning approaches. Front Neuroendocrinol 2021; 61:100899. [PMID: 33450200 DOI: 10.1016/j.yfrne.2021.100899] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/21/2020] [Accepted: 01/10/2021] [Indexed: 12/14/2022]
Abstract
Lipids are essential for cellular functioning considering their role in membrane composition, signaling, and energy metabolism. The brain is the second most abundant organ in terms of lipid concentration and diversity only after adipose tissue. However, in the central system (CNS) lipid dysregulation has been linked to the etiology, progression, and severity of neurodegenerative diseases such as Alzheimeŕs, Parkinson, and Multiple Sclerosis. Advances in the human genome and subsequent sequencing technologies allowed us the study of lipidomics as a promising approach to diagnosis and treatment of neurodegeneration. Lipidomics advances rapidly increased the amount and quality of data allowing the integration with other omic types as well as implementing novel bioinformatic and quantitative tools such as machine learning (ML). Integration of lipidomics data with ML, as a powerful quantitative predictive approach, led to improvements in diagnostic biomarker prediction, clinical data integration, network, and systems approaches for neural behavior, novel etiology markers for inflammation, and neurodegeneration progression and even Mass Spectrometry image analysis. In this sense, by exploiting lipidomics data with ML is possible to improve the identification of new biomarkers or unveil new molecular mechanisms associated with lipid impairment across neurodegeneration. In this review, we present the lipidomic neurobiology state-of-the-art highlighting its potential applications to study neurodegenerative conditions. Also, we present theoretical background, applications, and advances in the integration of lipidomics with ML. This review opens the door to new approaches in this rising field.
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Affiliation(s)
- Daniel Báez Castellanos
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Cynthia A Martín-Jiménez
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Felipe Rojas-Rodríguez
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - George E Barreto
- Health Research Institute, University of Limerick, Limerick, Ireland
| | - Janneth González
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia.
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Gromisch ES, Dhari Z. Identifying Early Neuropsychological Indicators of Cognitive Involvement in Multiple Sclerosis. Neuropsychiatr Dis Treat 2021; 17:323-337. [PMID: 33574669 PMCID: PMC7872925 DOI: 10.2147/ndt.s256689] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/22/2021] [Indexed: 12/19/2022] Open
Abstract
Multiple sclerosis (MS) is a debilitating disease of the central nervous system that is most commonly seen in early to middle adulthood, although it can be diagnosed during childhood or later in life. While cognitive impairment can become more prevalent and severe as the disease progresses, signs of cognitive involvement can be apparent in the early stages of the disease. In this review, we discuss the prevalence and types of cognitive impairment seen in early MS, including the specific measures used to identify them, as well as the challenges in characterizing their frequency and progression. In addition to examining the progression of early cognitive involvement over time, we explore the clinical factors associated with early cognitive involvement, including demographics, level of physical disability, disease modifying therapy use, vocational status, and psychological and physical symptoms. Given the prevalence and functional impact these impairments can have for persons with MS, considerations for clinicians are provided, such as the role of early cognitive screenings and the importance of comprehensive neuropsychological assessments.
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Affiliation(s)
- Elizabeth S Gromisch
- Mandell Center for Multiple Sclerosis, Mount Sinai Rehabilitation Hospital, Trinity Health Of New England, Hartford, CT, USA
- Department of Rehabilitative Medicine, Frank H. Netter MD School of Medicine at Quinnipiac University, North Haven, CT, USA
- Department of Medical Sciences, Frank H. Netter MD School of Medicine at Quinnipiac University, North Haven, CT, USA
- Department of Neurology, University of Connecticut School of Medicine, Farmington, CT, USA
| | - Zaenab Dhari
- Mandell Center for Multiple Sclerosis, Mount Sinai Rehabilitation Hospital, Trinity Health Of New England, Hartford, CT, USA
- Department of Rehabilitative Medicine, Frank H. Netter MD School of Medicine at Quinnipiac University, North Haven, CT, USA
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21
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Tripathi R, Tripathi S, Pandey N, Srivastava A, Usman K, Ali W, Tiwari S. Cognitive status of older adults with diabetes mellitus, hypertension, and dyslipidemia on Hindi Cognitive Screening Test and Saint Louis University Mental State. JOURNAL OF GERIATRIC MENTAL HEALTH 2021. [DOI: 10.4103/jgmh.jgmh_43_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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22
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Hernández-Ledesma AL, Rodríguez-Méndez AJ, Gallardo-Vidal LS, García-Gasca T, Alatorre-Cruz JM, García-Solís P, López Reyes J, Solís-Saínz JC. Lipid profile: causal relationship on cognitive performance in multiple sclerosis? Mol Biol Rep 2020; 47:9667-9676. [PMID: 33259011 DOI: 10.1007/s11033-020-06011-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 11/16/2020] [Indexed: 12/16/2022]
Abstract
Although cognitive impairment (CI) is classically associated with aging, it has been proposed that neurological pathologies may increase the risk to suffer CI. Despite the evidence of an elevated prevalence of CI in patients with multiple sclerosis (MS), it is not considered among standard clinical evaluations, due the lack of specialists and time required. The aim of this study was to evaluate if lipid profile is associated with cognitive performance in persons with MS. Twenty patients with MS were evaluated. Montreal Cognitive Assessment (MoCA) was employed to determine cognitive performance. CI was observed in 85% of patients, with memory recall and language as the most affected domains. Despite biomarkers were mostly found within reference values, several correlations were observed. MoCA total score was correlated with cholesterol (r = - 0.468, p = 0.037) and LDL (r = - 0.453, p = 0.045). Visuospatial domain was correlated with LDL (r = - 0.493, p = 0.027). Attention domain correlated with triglycerides (r = - 0.455, p = 0.044) and cholesterol (r = - 0.549, p = 0.012). When the person reaches borderline levels of triglycerides, LDL and cholesterol a decrease in cognitive performance can be observed. The mechanism underlying this association has not been established still, it has been proposed that it could be linked with neuroinflammation, alterations in synapses and in the metabolism of amyloid-β protein. This study settles the potential importance that lipid profile could have on cognitive performance in MS. Further studies are needed to establish optimal levels and implication of lipid profile in the diagnosis and monitoring of cognitive performance in Mexican people with MS.
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Affiliation(s)
- Ana Laura Hernández-Ledesma
- Laboratorio de Neuroinmunoendocrinología, Departamento de Investigación Biomédica, Facultad de Medicina, Universidad Autónoma de Querétaro, Clavel #200. Prados de la Capilla. CP 76170, Santiago de Querétaro, México
| | - Adriana Jheny Rodríguez-Méndez
- Laboratorio de Neuroinmunoendocrinología, Departamento de Investigación Biomédica, Facultad de Medicina, Universidad Autónoma de Querétaro, Clavel #200. Prados de la Capilla. CP 76170, Santiago de Querétaro, México.
| | | | - Teresa García-Gasca
- Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Santiago de Querétaro, México
| | | | - Pablo García-Solís
- Departamento de Investigación Biomédica, Facultad de Medicina, Universidad Autónoma de Querétaro, Santiago de Querétaro, México
| | - Julián López Reyes
- Facultad de Medicina, Clínica del Sistema Nervioso, Universidad Autónoma de Querétaro, Santiago de Querétaro, México
| | - Juan Carlos Solís-Saínz
- Departamento de Investigación Biomédica, Facultad de Medicina, Universidad Autónoma de Querétaro, Santiago de Querétaro, México
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23
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Trenova AG, Miteva LD, Stanilova SA. Association between TNFA, IL10 and IL18 promoter gene variants and cognitive functions in patients with relapsing-remitting multiple sclerosis. J Neuroimmunol 2020; 347:577357. [PMID: 32795736 DOI: 10.1016/j.jneuroim.2020.577357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To investigate the relationship between TNFA-308G > A, IL10-1082A > G, IL18-607C > A, and cognitive functioning in relapsing-remitting multiple sclerosis (RRMS). RESULTS In the patients' group: AG genotype of TNFA-308G > A was associated with higher serum tumor necrosis factor-alpha (TNF-alpha) than GG genotype, and higher TNF-alpha levels correlated with poorer results on Symbol Digit Modalities Test; CC genotype of IL18-607C > A was related to lower score on Isaacs test, compared to AC variant; AA genotype of IL10-1082A > G was associated with abnormally low results on Paced Auditory Series Addition Test. CONCLUSIONS TNFA-308G > A, IL10-1082A > G and IL18-607C > A gene variants may be associated with impaired cognitive functions in RRMS patients.
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Affiliation(s)
| | - Lyuba Dineva Miteva
- Department of Molecular Biology, Immunology and Medical Genetics, Trakia University, Stara Zagora 6000, Bulgaria
| | - Spaska Angelova Stanilova
- Department of Molecular Biology, Immunology and Medical Genetics, Trakia University, Stara Zagora 6000, Bulgaria
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Andaloro A, Russo M, Pastura C, Sessa E, Calatozzo P, Maggio MG, Bramanti P. Is there a correlation between dyslipidemia and cognitive impairment in patients with multiple sclerosis? Int J Neurosci 2020; 132:201-206. [PMID: 32767908 DOI: 10.1080/00207454.2020.1807980] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Background. Multiple sclerosis (MS) is an autoimmune and demyelination disease of the central nervous system that causes progressive accumulation of disability over time. Recent studies have highlighted the correlation between metabolic disorders and cognitive dysfunctions. The present study aims to evaluate the correlation between components of the lipid profile and cognitive dysfunctions in patients affected by MS.Methods. 90 MS inpatients were included in this study. We divided the sample into three subgroups to evaluate the influence of the presence of dyslipidemia: G1 (patients with dyslipidemia), G2 (patients without dyslipidemia), G3 (patients with a higher than normal lipid value). Patients underwent rehabilitation treatment which included conventional physiotherapy, speech therapy, psychological support, cognitive rehabilitation, nutritional therapy, robotic rehabilitation, cognitive rehabilitation, and virtual reality.Results. The results showed that the three subgroups had a significant improvement in global cognitive functioning (MOCA p < 0.00), working memory (BRB-NV SRT-LTS p < 0.00) and in attention process (BRB-NV SDMT p < 0.00). Only in the G2, we observed a significant improvement in visuospatial abilities (RAO SPART p < 0.00). Moreover, we found that the cholesterol was negatively correlated with the cognitive functioning score of the patients after rehabilitation and the EDSS score. While the triglyceride scores were negatively correlated with the working memory score before and after rehabilitation. BMI scores were negatively correlated with the visuospatial ability score.Conclusion. Investigating these aspects could help in managing patients, preventing alterations that compromise the patient's quality of life.
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Affiliation(s)
| | | | | | - Edoardo Sessa
- IRCCS Centro Neurolesi "Bonino Pulejo", Messina, Italy
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Kwon HS, Yang HR, Yun K, Baek JS, Kim YU, Park S, Choi H. The Effect of Cognitive Training in a Day Care Center in Patients with Early Alzheimer's Disease Dementia: A Retrospective Study. Psychiatry Investig 2020; 17:829-834. [PMID: 32777919 PMCID: PMC7449833 DOI: 10.30773/pi.2020.0170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/14/2020] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE This study aimed to evaluate the effect of cognitive training programs on the progression of dementia in patients with early stage Alzheimer's disease dementia (ADD) at the day care center. METHODS From January 2015 to December 2018, a total of 119 patients with early ADD were evaluated. All subjects were classified into two groups according to participate in cognitive training program in addition to usual standard clinical care. Changes in scores for minimental status examination-dementia screening (MMSE-DS) and clinical dementia rating-sum of boxes (CDR-SOB) during the 12 months were compared between two groups. Multivariable logistic regression analyses were performed. RESULTS As compared to case-subjects (n=43), the MMSE-DS and CDR-SOB scores were significantly worse at 12 months in the control-subjects (n=76). A statistically significant difference between the two groups was observed due to changes in MMSE-DS (p=0.012) and CDR-SOB (p<0.001) scores. Multivariable logistic regression analysis showed that the cognitive training program (odds ratio and 95% confidence interval: 0.225, 0.070-0.725) was independently associated with less progression of ADD. CONCLUSION The cognitive training program was associated with benefits in maintaining cognitive function for patients with earlystage ADD that were receiving medical treatment.
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Affiliation(s)
- Hyuk Sung Kwon
- Department of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Ha-Rin Yang
- Department of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Kyungtaek Yun
- Namyangju City Public Health Center, Namyangju, Republic of Korea
| | - Jong Sook Baek
- Namyangju City Public Health Center, Namyangju, Republic of Korea
| | - Young Un Kim
- Namyangju City Public Health Center, Namyangju, Republic of Korea
| | - Seongho Park
- Department of Neurology, Inje University Haeundae Paik Hospital, Busan, Republic of Korea
| | - Hojin Choi
- Department of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea
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Vitamin D as a Potential Therapy for Multiple Sclerosis: Where Are We? Int J Mol Sci 2020; 21:ijms21093102. [PMID: 32354174 PMCID: PMC7247155 DOI: 10.3390/ijms21093102] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 04/27/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023] Open
Abstract
Multiple sclerosis (MS) is a chronic demyelinating disease of the central nervous system and is caused by an aberrant immune response to myelin sheath. Disease-modifying medications, which mainly aim to suppress such aberrant immune response, have significantly improved MS treatment. However, the disease severity continues to worsen. In contrast, progressively more data suggest that 1,25-dihydroxyvitamin D or 1,25(OH)2D, i.e., the active vitamin D, suppresses the differentiation of potentially pathogenic T cells associated with MS, enhances the differentiation of regulatory T cells that suppress the pathogenic T cells, and promotes remyelination. These novel 1,25(OH)2D functions have encouraged investigators to develop vitamin D as a potential therapy for MS. However, because of the hypercalcemia that is associated with high 1,25(OH)2D concentrations, supplementation of native vitamin D has been a major focus in clinical trials for the treatment of MS, but such trials have produced mixed data. In this article, we will review current progress in the supplementation of different vitamin D forms for the treatment of experimental autoimmune encephalomyelitis (i.e., an MS animal model) as well as MS. Furthermore, we will review alternative strategies that our laboratory and others are pursuing in an attempt to circumvent the hurdles that are hampering the effective use of vitamin D as a potential therapy for MS.
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