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Orellana-Donoso M, López-Chaparro M, Barahona-Vásquez M, Santana-Machuca A, Bruna-Mejias A, Nova-Baeza P, Valenzuela-Fuenzalida JJ. Effectiveness of alpha-lipoic acid in patients with neuropathic pain associated with type I and type II diabetes mellitus: A systematic review and meta-analysis. Medicine (Baltimore) 2023; 102:e35368. [PMID: 37933068 PMCID: PMC10627688 DOI: 10.1097/md.0000000000035368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/01/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND This systematic review explores the most current evidence regarding the mechanisms of neuropathic pain in patients with different types of diabetes and how this pain affects different functional and structural components of the neuroanatomical pain pathways. The review also seeks to provide guidelines for the best approach and treatment for patients experiencing this type of pain. The objective is to determine the effectiveness of alpha-lipoic acid (ALA) in improving functional and symptomatic outcomes in patients with diabetes mellitus type I and type II. OBJECTIVE To determine the effectiveness of alpha-lipoic acid (ALA) in improving functional and symptomatic outcomes in patients with diabetes mellitus type I and type II. METHODS We systematically search MEDLINE (via PubMed), EMBASE, SCOPUS, the Cochrane Central Register of Controlled Trials, the Cumulative Index to Nursing and Allied Health Literature, and Web of Science databases. RESULTS The findings of this review show that different forms of ALA do not present statistically significant changes for any of the scales included, including total symptom score (standardized mean difference [SMD] = -3.59, confidence interval [CI] = -4.16 to -3.02, and P < .00001), neuropathy impairment score (SMD = -1.42, CI = -3.68 to 0.84, and P = .22), and neuropathy symptom checklist (SMD = -0.09, CI = -0.15 to -0.02, and P = .01). CONCLUSION In comparison to the use of a placebo, the findings suggest that ALA does not exhibit significant differences in terms of pain reduction and different functional scales. Moreover, no specific dosages are identified to support the use of ALA for the reduction of neuropathic pain.
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Affiliation(s)
- Mathias Orellana-Donoso
- Escuela de Medicina, Universidad Finis Terrae, Santiago, Chile Departamento de Morfología, Facultad de Medicina
- Universidad Andres Bello, Santiago, Chile
| | | | | | - Andrés Santana-Machuca
- Department of Morphology and Function, Faculty of Health Sciences, Universidad de Las Américas, Santiago, Chile
| | - Alejandro Bruna-Mejias
- Universidad Andres Bello, Santiago, Chile
- Departamento de Ciencias y Geografía, Facultad de Ciencias Naturales y Exactas, Universidad de Playa Ancha, Valparaíso, Chile
| | | | - Juan José Valenzuela-Fuenzalida
- Department of Morphology and Function, Faculty of Health Sciences, Universidad de Las Américas, Santiago, Chile
- Departamento de Ciencias Química y Biológicas, Facultad de Ciencias de la Salud, Universidad Bernardo O’Higgins, Santiago, Chile
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Schleicher E, Didangelos T, Kotzakioulafi E, Cegan A, Peter A, Kantartzis K. Clinical Pathobiochemistry of Vitamin B 12 Deficiency: Improving Our Understanding by Exploring Novel Mechanisms with a Focus on Diabetic Neuropathy. Nutrients 2023; 15:nu15112597. [PMID: 37299560 DOI: 10.3390/nu15112597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Vitamin B12 (B12) is an essential cofactor of two important biochemical pathways, the degradation of methylmalonic acid and the synthesis of methionine from homocysteine. Methionine is an important donor of methyl groups for numerous biochemical reactions, including DNA synthesis and gene regulation. Besides hematological abnormalities (megaloblastic anemia or even pancytopenia), a deficiency in B12 may cause neurological symptoms, including symptoms resembling diabetic neuropathy. Although extensively studied, the underlining molecular mechanism for the development of diabetic peripheral neuropathy (DPN) is still unclear. Most studies have found a contribution of oxidative stress in the development of DPN. Detailed immunohistochemical investigations in sural nerve biopsies obtained from diabetic patients with DPN point to an activation of inflammatory pathways induced via elevated advanced glycation end products (AGE), ultimately resulting in increased oxidative stress. Similar results have been found in patients with B12 deficiency, indicating that the observed neural changes in patients with DPN might be caused by cellular B12 deficiency. Since novel results show that B12 exerts intrinsic antioxidative activity in vitro and in vivo, B12 may act as an intracellular, particularly as an intramitochondrial, antioxidant, independent from its classical, well-known cofactor function. These novel findings may provide a rationale for the use of B12 for the treatment of DPN, even in subclinical early states.
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Affiliation(s)
- Erwin Schleicher
- Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital of Tübingen, 72076 Tübingen, Germany
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich, German Center for Diabetes Research (DZD), 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
| | - Triantafyllos Didangelos
- Diabetes Center, 1st Propaedeutic Department of Internal Medicine, Medical School, "AHEPA" Hospital, Aristotle University of Thessaloniki, 54621 Thessaloniki, Greece
| | - Evangelia Kotzakioulafi
- Diabetes Center, 1st Propaedeutic Department of Internal Medicine, Medical School, "AHEPA" Hospital, Aristotle University of Thessaloniki, 54621 Thessaloniki, Greece
| | - Alexander Cegan
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, 53210 Pardubice, Czech Republic
| | - Andreas Peter
- Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital of Tübingen, 72076 Tübingen, Germany
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich, German Center for Diabetes Research (DZD), 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
| | - Konstantinos Kantartzis
- Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich, German Center for Diabetes Research (DZD), 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, Division of Endocrinology, Diabetology and Nephrology, University of Tübingen, 72076 Tübingen, Germany
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Lu C, Bao W, Deng D, Li R, Li G, Zou S, Wang Y. Efficacy of electroacupuncture with different frequencies in the treatment of chemotherapy-induced peripheral neuropathy: A study protocol for a randomized controlled trial. Front Neurol 2022; 13:843886. [PMID: 35968286 PMCID: PMC9366109 DOI: 10.3389/fneur.2022.843886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 07/07/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionChemotherapy-induced peripheral neuropathy (CIPN) is a common complication in patients with cancer during chemotherapy. It mainly leads to severe numbness of the hands and feet and causes great pain in patients. Electroacupuncture (EA) is considered to be beneficial in improving peripheral neuropathy and relieving numbness of the hands and feet. This trial aims to evaluate the therapeutic effect of different frequencies of EA on CIPN in patients with cancer.Methods and analysisThis study is a randomized controlled trial. In total, 160 eligible CIPN patients are randomly assigned to the 2 Hz EA group, 100 Hz EA group, 2/100 Hz EA group, and control group in the ratio of 1:1:1:1. All patients in the EA treatment groups receive treatment with EA three times a week for 4 weeks and following up for 4 weeks. The patients in the control group are given Mecobalamin (MeCbl) tablets orally, one tablet at a time, three times a day, for 4 weeks, and following up for 4 weeks. The primary outcome measures are the participant neurotoxicity questionnaire (PNQ) and the peripheral neurotoxicity assessment rating (NCI CTCAE V5.0). Secondary outcomes are the quality of life scale (EORTC QLQ-C30) and the measurement of peripheral nerve conduction velocity (NCV). The results are evaluated at baseline, post-treatment phase, and following up for 4 weeks. All major analyses are based on the intention to treat principle.Ethics/disseminationThis protocol was approved by the Medical Ethics Committee of the Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital) on 7 December 2021. The license number is IRB-2021-458. This study provides clinical efficacy data of different frequencies of EA in the treatment of CIPN. The results help to prove whether EA is an effective therapy for CIPN and optimize the frequency of EA for CIPN. The results of this study are shared with health care professionals, the public, and relevant organizations through the publication of manuscripts and conference reports.Trial registration numberChiCTR2100054458.
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Affiliation(s)
- Chao Lu
- The Traditional Chinese Medicine Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
- *Correspondence: Chao Lu
| | - Wenlong Bao
- The Traditional Chinese Medicine Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Dehou Deng
- The Traditional Chinese Medicine Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Rongrong Li
- The Third Clinical Medical College, Zhejiang University of Traditional Chinese Medicine, Hangzhou, China
| | - Guangliang Li
- Breast Medical Oncology Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Shanlin Zou
- The Traditional Chinese Medicine Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
| | - Yan Wang
- The Traditional Chinese Medicine Department, The Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China
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Zhao Y, Liu B, Wang Y, Xiao B. Effect of fasudil on experimental autoimmune neuritis and its mechanisms of action. ACTA ACUST UNITED AC 2019; 53:e8669. [PMID: 31859913 PMCID: PMC6915906 DOI: 10.1590/1414-431x20198669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 10/21/2019] [Indexed: 12/22/2022]
Abstract
This study aimed to investigate the therapeutic effect of fasudil on treating experimental autoimmune neuritis (EAN). Twenty-four EAN mice were randomly assigned to fasudil treatment (Fasudil group) or saline treatment (EAN model group) for 28 days. Clinical symptom score was evaluated every other day; inflammatory cell infiltration, demyelination, anti-myelin basic protein (MBP), inflammatory cytokines, inducible nitric oxide synthase (iNOS), and arginase-1 were detected in sciatic nerves at day 28. Th1, Th2, Th17, and Tregs proportions in splenocytes were detected at day 28. Clinical symptom score was found to be attenuated in the Fasudil group compared to the EAN model group from day 12 to day 28. Sciatic nerve inflammatory cell counts by HE staining and demyelination by luxol fast blue staining were both reduced, while MBP was increased in the Fasudil group compared to the EAN model group at day 28. Interferon γ (IFN-γ) and interleukin (IL)-17 were reduced, while IL-4 and IL-10 were elevated in the Fasudil group at day 28. Sciatic nerve M1 macrophages marker iNOS was decreased while M2 macrophages marker arginase-1 was increased in the Fasudil group at day 28. CD4+IFN-γ+ (Th1) and CD4+IL-17+ (Th17) cell proportions were both decreased, CD4+IL-4+ (Th2) cell proportion was similar, while CD25+FOXP3+ (Treg) cell proportion in splenocytes was increased in the Fasudil group. In summary, fasudil presented a good therapeutic effect for treating EAN by attenuating Th1/Th17 cells and promoting Tregs activation as well as M2 macrophages polarization.
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Affiliation(s)
- Yanyin Zhao
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China
| | - Bingyou Liu
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yi Wang
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China
| | - Baoguo Xiao
- Department of Neurology, Huashan Hospital, Fudan University, Shanghai, China
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Shenkar R, Peiper A, Pardo H, Moore T, Lightle R, Girard R, Hobson N, Polster SP, Koskimäki J, Zhang D, Lyne SB, Cao Y, Chaudagar K, Saadat L, Gallione C, Pytel P, Liao JK, Marchuk D, Awad IA. Rho Kinase Inhibition Blunts Lesion Development and Hemorrhage in Murine Models of Aggressive Pdcd10/Ccm3 Disease. Stroke 2019; 50:738-744. [PMID: 30744543 DOI: 10.1161/strokeaha.118.024058] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background and Purpose- Previously, murine models Krit1 +/- Msh2 -/ - and Ccm2 +/ - Trp53 -/ - showed a reduction or no effect on cerebral cavernous malformation (CCM) burden and favorable effects on lesional hemorrhage by the robust Rock (Rho-associated protein kinase) inhibitor fasudil and by simvastatin (a weak pleiotropic inhibitor of Rock). Herein, we concurrently investigated treatment of the more aggressive Pdcd10/Ccm3 model with fasudil, simvastatin, and higher dose atorvastatin to determined effectiveness of Rock inhibition. Methods- The murine models, Pdcd10 +/ - Trp53 -/ - and Pdcd10 +/ - Msh2 -/ -, were contemporaneously treated from weaning to 5 months of age with fasudil (100 mg/kg per day in drinking water, n=9), simvastatin (40 mg/kg per day in chow, n=11), atorvastatin (80 mg/kg per day in chow, n=10), or with placebo (n=16). We assessed CCM volume in mouse brains by microcomputed tomography. Lesion burden was calculated as lesion volume normalized to total brain volume. We analyzed chronic hemorrhage in CCM lesions by quantitative intensity of Perls staining in brain sections. Results- The Pdcd10 +/ - Trp53 -/ - /Msh2 -/ - models showed a mean CCM lesion burden per mouse reduction from 0.0091 in placebos to 0.0042 ( P=0.027) by fasudil, and to 0.0047 ( P=0.025) by atorvastatin treatment, but was not changed significantly by simvastatin. Hemorrhage intensity per brain was commensurately decreased by Rock inhibition. Conclusions- These results support the exploration of proof of concept effect of high-dose atorvastatin on human CCM disease for potential therapeutic testing.
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Affiliation(s)
- Robert Shenkar
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Amy Peiper
- Molecular Genetics and Microbiology Department, Duke University Medical Center, Durham, NC (A.P., H.P., C.G., D.M.)
| | - Heidy Pardo
- Molecular Genetics and Microbiology Department, Duke University Medical Center, Durham, NC (A.P., H.P., C.G., D.M.)
| | - Thomas Moore
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Rhonda Lightle
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Romuald Girard
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Nicholas Hobson
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Sean P Polster
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Janne Koskimäki
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Dongdong Zhang
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Seán B Lyne
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Ying Cao
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Kiranj Chaudagar
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Laleh Saadat
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
| | - Carol Gallione
- Molecular Genetics and Microbiology Department, Duke University Medical Center, Durham, NC (A.P., H.P., C.G., D.M.)
| | - Peter Pytel
- Department of Pathology (P.P.), Biological Sciences Division, University of Chicago, IL
| | - James K Liao
- Section of Cardiology (J.K.L.), Biological Sciences Division, University of Chicago, IL
| | - Douglas Marchuk
- Molecular Genetics and Microbiology Department, Duke University Medical Center, Durham, NC (A.P., H.P., C.G., D.M.)
| | - Issam A Awad
- From the Section of Neurosurgery (R.S., T.M., R.L., R.G., N.H., S.P.P., J.K., D.Z., S.B.L., Y.C., K.C., L.S., I.A.A.), Biological Sciences Division, University of Chicago, IL
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