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Shaikh I, Bhatt LK. Targeting Adipokines: A Promising Therapeutic Strategy for Epilepsy. Neurochem Res 2024:10.1007/s11064-024-04219-4. [PMID: 39060767 DOI: 10.1007/s11064-024-04219-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 07/28/2024]
Abstract
Epilepsy affects 65 million people globally and causes neurobehavioral, cognitive, and psychological defects. Although research on the disease is progressing and a wide range of treatments are available, approximately 30% of people have refractory epilepsy that cannot be managed with conventional medications. This underlines the importance of further understanding the condition and exploring cutting-edge targets for treatment. Adipokines are peptides secreted by adipocyte's white adipose tissue, involved in controlling food intake and metabolism. Their regulatory functions in the central nervous system (CNS) are multifaceted and identified in several physiology and pathologies. Adipokines play a role in oxidative stress and neuroinflammation which are associated with brain degeneration and connected neurological diseases. This review aims to highlight the potential impacts of leptin, adiponectin, apelin, vaspin, visfatin, and chimerin in the pathogenesis of epilepsy.
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Affiliation(s)
- Iqraa Shaikh
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai, India
| | - Lokesh Kumar Bhatt
- Department of Pharmacology, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle (W), Mumbai, India.
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Baka RD, Kuleš J, Beletić A, Farkaš V, Rešetar Maslov D, Ljubić BB, Rubić I, Mrljak V, McLaughlin M, Eckersall D, Polizopoulou Z. Quantitative serum proteome analysis using tandem mass tags in dogs with epilepsy. J Proteomics 2024; 290:105034. [PMID: 37879566 DOI: 10.1016/j.jprot.2023.105034] [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: 08/29/2023] [Revised: 10/09/2023] [Accepted: 10/18/2023] [Indexed: 10/27/2023]
Abstract
This study included four groups of dogs (group A: healthy controls, group B: idiopathic epilepsy receiving antiepileptic medication (AEM), group C: idiopathic epilepsy without AEM, group D: structural epilepsy). Comparative quantitative proteomic analysis of serum samples among the groups was the main target of the study. Samples were analyzed by a quantitative Tandem-Mass-Tags approach on the Q-Exactive-Plus Hybrid Quadrupole-Orbitrap mass-spectrometer. Identification and relative quantification were performed in Proteome Discoverer. Data were analyzed using R. Gene ontology terms were analyzed based on Canis lupus familiaris database. Data are available via ProteomeXchange with identifier PXD041129. Eighty-one proteins with different relative adundance were identified in the four groups and 25 were master proteins (p < 0.05). Clusterin (CLU), and apolipoprotein A1 (APOA1) had higher abundance in the three groups of dogs (groups B, C, D) compared to controls. Amine oxidase (AOC3) was higher in abundance in group B compared to groups C and D, and lower in group A. Adiponectin (ADIPOQ) had higher abundance in groups C compared to group A. ADIPOQ and fibronectin (FN1) had higher abundance in group B compared to group C and D. Peroxidase activity assay was used to quantify HP abundance change, validating and correlating with proteomic analysis (r = 0.8796). SIGNIFICANCE: The proteomic analysis of serum samples from epileptic dogs indicated potential markers of epilepsy (CLU), proteins that may contribute to nerve tissue regeneration (APOA1), and contributing factors to epileptogenesis (AOC3). AEM could alter extracellular matrix proteins (FN1). Illness (epilepsy) severity could influence ADIPOQ abundance.
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Affiliation(s)
- Rania D Baka
- Diagnostic Laboratory, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Josipa Kuleš
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Anđelo Beletić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Farkaš
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Dina Rešetar Maslov
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Blanka Beer Ljubić
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimir Mrljak
- Laboratory of proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia; Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Marκ McLaughlin
- Institute of Biodiversity, Animal Health & Comparative Medicine and School of Veterinary Medicine, College of Medicine, Veterinary Medicine and Life Sciences,University of Glasgow, Glasgow G61 1QH, UK
| | - David Eckersall
- Institute of Biodiversity, Animal Health & Comparative Medicine and School of Veterinary Medicine, College of Medicine, Veterinary Medicine and Life Sciences,University of Glasgow, Glasgow G61 1QH, UK
| | - Zoe Polizopoulou
- Diagnostic Laboratory, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Shan Y, Chen Y, Gu H, Wang Y, Sun Y. Regulatory Basis of Adipokines Leptin and Adiponectin in Epilepsy: from Signaling Pathways to Glucose Metabolism. Neurochem Res 2023; 48:2017-2028. [PMID: 36797447 PMCID: PMC10181973 DOI: 10.1007/s11064-023-03891-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/25/2023] [Accepted: 02/07/2023] [Indexed: 02/18/2023]
Abstract
Epilepsy is a common and severe neurological disorder in which impaired glucose metabolism leads to changes in neuronal excitability that slow or promote the development of epilepsy. Leptin and adiponectin are important mediators regulating glucose metabolism in the peripheral and central nervous systems. Many studies have reported a strong association between epilepsy and these two adipokines involved in multiple signaling cascades and glucose metabolism. Due to the complex regulatory mechanisms between them and various signal activation networks, their role in epilepsy involves many aspects, including the release of inflammatory mediators, oxidative damage, and neuronal apoptosis. This paper aims to summarize the signaling pathways involved in leptin and adiponectin and the regulation of glucose metabolism from the perspective of the pathogenesis of epilepsy. In particular, we discuss the dual effects of leptin in epilepsy and the relationship between antiepileptic drugs and changes in the levels of these two adipokines. Clinical practitioners may need to consider these factors in evaluating clinical drugs. Through this review, we can better understand the specific involvement of leptin and adiponectin in the pathogenesis of epilepsy, provide ideas for further exploration, and bring about practical significance for the treatment of epilepsy, especially for the development of personalized treatment according to individual metabolic characteristics.
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Affiliation(s)
- Yisi Shan
- Department of Neurology, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China.,Translational Medical Innovation Center, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yeting Chen
- Department of Acupuncture, Zhangjiagang Second People's Hospital, Zhangjiagang, 215600, China
| | - Haiping Gu
- Department of Neurology, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yadong Wang
- Department of Neurology, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China
| | - Yaming Sun
- Department of Neurology, Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, 215600, China.
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Duan Y, Kang L, He Y, Li M, Li T, Wen Z, Chen L. A pilot study on identifying gene signatures as markers for predicting patient response to antiseizure medications. Neurol Sci 2023; 44:2137-2148. [PMID: 36658410 DOI: 10.1007/s10072-023-06605-2] [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: 09/12/2022] [Accepted: 01/05/2023] [Indexed: 01/21/2023]
Abstract
The majority of the biomarkers were associated with the diagnosis of epilepsy and few of them can be applied to predict the response to antiseizure medications (ASMs). In this study, we identified 26 significantly up-regulated genes and 32 down-regulated genes by comparing the gene expression profiles of patients with epilepsy that responded to valproate with those without applying any ASM. The results of gene set enrichment analysis indicated that the ferroptosis pathway was significantly impacted (p = 0.0087) in patients who responded to valproate. Interestingly, the gene NCOA4 in this pathway exhibited significantly different expression levels between the two groups, indicating that NCOA4 could serve as a potential biomarker to better understand the mechanism of valproate resistance. In addition, six up-regulated genes SF3A2, HMGN2, PABPN1, SSBP3, EFTUD2, and CREB3L2 as well as six down-regulated genes ZFP36L1, ACRC, SUB1, CALM2, TLK1, and STX2 also showed significantly different expression patterns between the two groups. Moreover, based on the gene expression profiles of the patients with the treatment of valproate, carbamazepine, and phenytoin, we proposed a strategy for predicting the response to the ASMs by using the Connectivity Map scoring method. Our findings could be helpful for better understanding the mechanisms of drug resistance of ASMs and improving the clinical treatment of epilepsy.
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Affiliation(s)
- Yifei Duan
- Department of Neurology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, China
| | - Liyuan Kang
- College of Chemistry, Sichuan University, Chengdu, 610064, Sichuan, China
| | - Yujie He
- College of Chemistry, Sichuan University, Chengdu, 610064, Sichuan, China
| | - Menglong Li
- College of Chemistry, Sichuan University, Chengdu, 610064, Sichuan, China
| | - Ting Li
- University of Arkansas at Little Rock and University of Arkansas for Medical Sciences Joint Bioinformatics Program, Little Rock, AK, 72204, USA
| | - Zhining Wen
- College of Chemistry, Sichuan University, Chengdu, 610064, Sichuan, China.
- Medical Big Data Center, Sichuan University, Chengdu, 610064, Sichuan, China.
| | - Lei Chen
- Department of Neurology, West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, 610041, Sichuan, China.
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Chyra M, Roczniak W, Świętochowska E, Dudzińska M, Oświęcimska J. The Effect of the Ketogenic Diet on Adiponectin, Omentin and Vaspin in Children with Drug-Resistant Epilepsy. Nutrients 2022; 14:nu14030479. [PMID: 35276837 PMCID: PMC8839826 DOI: 10.3390/nu14030479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/14/2022] [Accepted: 01/20/2022] [Indexed: 02/07/2023] Open
Abstract
Background: Changes in adipokine secretion may be involved in the anti-epileptic effect of a ketogenic diet (KD) in drug-resistant epilepsy (DRE). Objectives: The assessment of the influence of KD on serum adiponectin, omentin-1, and vaspin in children with DRE. Methods: Anthropometric measurements (weight, height, BMI, and waist-to-hip circumference ratio) were performed in 72 children aged 3–9 years, divided into 3 groups: 24 children with DRE treated with KD, 26—treated with valproic acid (VPA), and a control group of 22 children. Biochemical tests included fasting glucose, insulin, beta-hydroxybutyric acid, lipid profile, aminotransferases activities, and blood gasometry. Serum levels of adiponectin, omentin-1 and vaspin were assayed using commercially available ELISA tests. Results: Serum levels of adiponectin and omentin-1 in the KD group were significantly higher and vaspin—lower in comparison to patients receiving VPA and the control group. In all examined children, serum adiponectin and omentin-1 correlated negatively with WHR and serum triglycerides, insulin, fasting glucose, and HOMA-IR. Vaspin levels correlated negatively with serum triglycerides and positively with body weight, BMI, fasting glucose, insulin, and HOMA-IR. Conclusion: One of the potential mechanisms of KD in children with drug-resistant epilepsy may be a modulation of metabolically beneficial and anti-inflammatory adipokine levels.
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Affiliation(s)
- Marcin Chyra
- Department of Paediatric Neurology, Independent Public Healthcare Centre—Municipal Hospital Complex, ul. Władysława Truchana 7, 41-500 Chorzow, Poland;
- Correspondence: ; Tel.: +48-32-349-00-85; Fax: +48-32-349-01-50
| | - Wojciech Roczniak
- Institute of Medicine, Jan Grodek State University in Sanok, ul. Mickiewicza 21, 38-500 Sanok, Poland; (W.R.); (J.O.)
| | - Elżbieta Świętochowska
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, ul. Jordana 19, 41-808 Zabrze, Poland;
| | - Magdalena Dudzińska
- Department of Paediatric Neurology, Independent Public Healthcare Centre—Municipal Hospital Complex, ul. Władysława Truchana 7, 41-500 Chorzow, Poland;
| | - Joanna Oświęcimska
- Institute of Medicine, Jan Grodek State University in Sanok, ul. Mickiewicza 21, 38-500 Sanok, Poland; (W.R.); (J.O.)
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Cristina de Brito Toscano E, Leandro Marciano Vieira É, Boni Rocha Dias B, Vidigal Caliari M, Paula Gonçalves A, Varela Giannetti A, Maurício Siqueira J, Kimie Suemoto C, Elaine Paraizo Leite R, Nitrini R, Alvarenga Rachid M, Lúcio Teixeira A. NLRP3 and NLRP1 inflammasomes are up-regulated in patients with mesial temporal lobe epilepsy and may contribute to overexpression of caspase-1 and IL-β in sclerotic hippocampi. Brain Res 2020; 1752:147230. [PMID: 33385378 DOI: 10.1016/j.brainres.2020.147230] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 12/28/2022]
Abstract
Inflammation plays a role in the pathophysiology of mesial temporal lobe epilepsy (MTLE). Inflammasome pathways, including the NLRP1 and NLRP3-induced ones, promote neuroinflammation and pyroptosis through interleukin (IL)-1β and caspase-1 action. Evaluation of NLRP1 in sclerotic hippocampi is scarce and there are no data on NLRP3 in human TLE. The aim of this study was to evaluate the expression of these proteins alongside caspase-1 and IL-1β in the hippocampi of patients with TLE compared to control samples. We also sought to investigate peripheral levels of caspase-1 and IL-1β in an independent cohort. Sclerotic and control hippocampi were collected for both histological and immunohistochemical analyses of NLRP1, NLRP3, caspase-1 and IL-1β; plasma was sampled for the measurement of caspase-1 and IL-1β levels through enzyme-linked immunoassay (ELISA) and cytometric bead array (CBA). Sclerotic hippocampi displayed higher expression of the measured proteins than control. Both glia and neurons showed activation of these pathways. Additionally, increased expression of NLRP1 and NLRP3 was associated with elevated plasma levels of IL-1β and in TLE, and increased levels of peripheral caspase-1 were associated with bilateral hippocampal sclerosis (HS). In conclusion, NLRP1 and NLRP3 are up-regulated in sclerotic hippocampi, what may be responsible, at least in part, for the increased hippocampal expression of caspase-1 and IL-1β. Our data suggest a role for inflammasome activation in central and peripheral inflammation in TLE.
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Affiliation(s)
- Eliana Cristina de Brito Toscano
- Departamento de Patologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Laboratório Interdisciplinar de Investigação Médica, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Érica Leandro Marciano Vieira
- Laboratório Interdisciplinar de Investigação Médica, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Bárbara Boni Rocha Dias
- Departamento de Patologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Marcelo Vidigal Caliari
- Departamento de Patologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ana Paula Gonçalves
- Hospital das Clínicas da Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Núcleo Avançado de Tratamento das Epilepsias - Hospital Felício Rocho, Belo Horizonte, MG, Brazil
| | | | - José Maurício Siqueira
- Núcleo Avançado de Tratamento das Epilepsias - Hospital Felício Rocho, Belo Horizonte, MG, Brazil
| | | | | | - Ricardo Nitrini
- Biobank for Aging Studies, Universidade de São Paulo, São Paulo, Brazil
| | - Milene Alvarenga Rachid
- Departamento de Patologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Antônio Lúcio Teixeira
- Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, TX, United States
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Toscano ECDB, Lessa JMK, de Oliveira GN, Gonçalves AP, Vieira ÉLM, Rachid MA, Teixeira AL. Peripheral levels of sST2 are increased in patients with temporal lobe epilepsy: Additional evidence of low-grade inflammation. Epilepsy Behav 2020; 112:107351. [PMID: 32846307 DOI: 10.1016/j.yebeh.2020.107351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/17/2020] [Accepted: 07/17/2020] [Indexed: 10/23/2022]
Abstract
Inflammation plays a pivotal role in temporal lobe epilepsy (TLE) pathophysiology. IL-33 can act as a transcription factor or as a cytokine, the latter through the transmembrane ST2 receptor or its soluble isoform (sST2), presenting a dual role in neurological diseases. The aim of this study was to determine the plasma levels of IL-33 and sST2 in parallel with clinical features in patients with TLE. Peripheral blood from patients and controls was sampled for the measurement of plasma levels of IL-33 and sST2 by enzyme-linked immunoassay (ELISA). While there were similar levels of IL-33 between controls and patients, sST2 were increased in patients. IL33 and sST2 plasma levels were not associated with TLE-related clinical features. In a subgroup analysis, IL-33 levels correlated with memory performance. In conclusion, our results reinforce the concept of chronic low-grade inflammation in patients with TLE.
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Affiliation(s)
- Eliana Cristina de Brito Toscano
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Laboratório de Patologia Celular e Molecular, Departamento de Patologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - João Marcelo Korcsik Lessa
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Ana Paula Gonçalves
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil; Hospital das Clínicas da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Érica Leandro Marciano Vieira
- Laboratório Interdisciplinar de Investigação Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Milene Alvarenga Rachid
- Laboratório de Patologia Celular e Molecular, Departamento de Patologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
| | - Antônio Lúcio Teixeira
- Santa Casa BH Instituto de Ensino e Pesquisa, Belo Horizonte, MG, Brazil; Neuropsychiatry Program, Department of Psychiatry and Behavioral Sciences, School of Medicine, University of Texas Health Science Center at Houston, TX, USA
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Shlobin NA, Sander JW. Drivers for the comorbidity of type 2 diabetes mellitus and epilepsy: A scoping review. Epilepsy Behav 2020; 106:107043. [PMID: 32217418 DOI: 10.1016/j.yebeh.2020.107043] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/04/2020] [Accepted: 03/12/2020] [Indexed: 01/14/2023]
Abstract
Epilepsy, a common neurologic condition, is associated with a greater prevalence of type 2 diabetes mellitus (T2DM). We examined potential drivers for the comorbidity of epilepsy and T2DM in an attempt to elucidate possible biological mechanisms underlying the development of processes in individuals. We searched PubMed and Medline up to December 2019. Our search yielded 3361 articles, of which 82 were included in the scoping review. We reviewed articles focusing on the association of epilepsy and T2DM, drivers, and biological mechanisms. We found that epilepsy is associated with obesity and obesity is associated with T2DM. Treatment with valproate (either sodium or acid) is associated with weight increase and hyperinsulinemia, while topiramate causes weight loss. People with epilepsy are less likely to exercise, which is protective against obesity. Mitochondrial dysfunction and adiponectin deficiency are common to epilepsy and T2DM. One possible mechanism for the comorbidity is mitochondrial dysfunction and adiponectin deficiency, which promotes epilepsy, obesity, and T2DM. Another possible mechanism is that people with epilepsy are more likely to be obese because of the lack of exercise and the effects of some antiseizure medications (ASMs), which makes them susceptible to T2DM because of the development of mitochondrial dysfunction and adiponectin deficiency. A third mechanism is that people with epilepsy have greater mitochondrial dysfunction and lower adiponectin levels than people without epilepsy at baseline, which may exacerbate after treatment with ASMs. Future research involving a combined genetic and molecular pathway approach will likely yield valuable insight regarding the comorbidity of epilepsy and T2DM.
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Affiliation(s)
- Nathan A Shlobin
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Josemir W Sander
- NIHR University College London Hospitals Biomedical Research Centre, UCL Queen Square Institute of Neurology, Queen Square, London WC1N 3BG & Chalfont Centre for Epilepsy, Chalfont St Peter SL9 0RJ, UK; Stichting Epilepsie Instellingen Nederland (SEIN), Achterweg 5, Heemstede 2103SW, the Netherlands.
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Vuong E, Nothling J, Lombard C, Jewkes R, Peer N, Abrahams N, Seedat S. Peripheral adiponectin levels in anxiety, mood, trauma- and stressor-related disorders: A systematic review and meta-analysis. J Affect Disord 2020; 260:372-409. [PMID: 31539673 DOI: 10.1016/j.jad.2019.09.050] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 07/01/2019] [Accepted: 09/08/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND Anxiety, mood, trauma- and stressor-related disorders confer increased risk for metabolic disease. Adiponectin, a cytokine released by adipose tissue is associated with these disorders and obesity via inflammatory processes. Available data describing associations with mental disorders remain limited and conflicted. METHODS A systematic search was conducted for English, peer-reviewed articles from inception until February 2019 that assessed for serum or plasma adiponectin levels in adults with an anxiety, mood or trauma-related disorder. Diagnoses were determined by psychiatric interview, based on DSM-IV, DSM-5 or ICD-10 criteria. Analyses were performed using STATA 15 and Standardized mean difference (SMD) with 95% confidence interval was applied to pool the effect size of meta-analysis studies. RESULTS In total 65 eligible studies were included in the systematic review and 30 studies in this meta-analysis. 19,178 participants (11,262 females and 7916 males), comprising healthy adults and adults with anxiety, mood and trauma-related disorders, were included. Overall results indicated an inverse association between adiponectin levels and examined mental disorders. Specifically, patients with an anxiety disorder (SMD = -1.18 µg/mL, 95% CI, -2.34; -0.01, p = 0.047); trauma or stressor-related disorder (SMD = -0.34 µg/mL, 95% CI, -0.52; -0.17, p = 0.0000) or bipolar disorder (SMD = -0.638 µg/mL, 95% CI, -1.16, -0.12, p = 0.017) had significant lower adiponectin levels compared to healthy adults. LIMITATIONS Heterogeneity, potential publication bias, and lack of control for important potential confounders were significant limitations. CONCLUSION Peripheral adiponectin levels appear to be inversely associated with anxiety, mood, trauma- and stressor related disorders and may be a promising biomarker for diagnosis and disease monitoring.
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Affiliation(s)
- E Vuong
- South African Research Chairs Initiative (SARChI), PTSD Program, Department of Psychiatry, Stellenbosch University, South Africa; Department of Psychiatry, Stellenbosch University, Stellenbosch, South Africa.
| | - J Nothling
- South African Research Chairs Initiative (SARChI), PTSD Program, Department of Psychiatry, Stellenbosch University, South Africa; Department of Psychiatry, Stellenbosch University, Stellenbosch, South Africa
| | - C Lombard
- Biostatistics Unit, South Africa Medical Research Council, Cape Town, South Africa
| | - R Jewkes
- Gender and Health Research Unit, South African Medical Research Council, Tygerberg, South Africa
| | - N Peer
- Non-Communicable Diseases Research Unit, South African Medical Research Council, Durban, South Africa
| | - N Abrahams
- Gender and Health Research Unit, South African Medical Research Council, Tygerberg, South Africa
| | - S Seedat
- South African Research Chairs Initiative (SARChI), PTSD Program, Department of Psychiatry, Stellenbosch University, South Africa; Department of Psychiatry, Stellenbosch University, Stellenbosch, South Africa
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