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Sen A, Mohanraj PS, Ranjan A, Rajendran V, ArulVijayaVani S, Balan Y, Bansal A. Unraveling the Role of Tumor Necrosis Factor-Alpha in Diabetic Peripheral Neuropathy: A Systematic Review and Meta-Analysis. Cureus 2023; 15:e49926. [PMID: 38179375 PMCID: PMC10764202 DOI: 10.7759/cureus.49926] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2023] [Indexed: 01/06/2024] Open
Abstract
Diabetic peripheral neuropathy (DPN) is a prevalent and debilitating complication of diabetes mellitus, leading to sensory abnormalities, decreased balance, and increased risk of foot problems. Although tumor necrosis factor-alpha (TNF-α) has emerged as a potential factor in the pathogenesis of DPN, its role remains contested. This study intends to thoroughly analyze the association between TNF-α and DPN by combining data from various global studies. This systematic review and meta-analysis adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and included 23 articles investigating TNF-α levels in DPN patients for systematic review and 11 articles for meta-analysis. Data were extracted, and heterogeneity was examined. A random-effect model was chosen due to high heterogeneity. The major outcome measure across studies was serum TNF-α levels. The meta-analysis found a significant mean difference of 15.2464 (95% confidence interval = 4.4963; 25.9965) under the random-effect model due to the substantial heterogeneity (I2 = 98.1%) among included studies. The meta-analysis indicates a consistent elevation in TNF-α levels in individuals with DPN compared to those without neuropathy. This underlines the potential of TNF-α as a biomarker and contributor to diabetic neuropathy. Despite heterogeneity, the study's extensive scope and systematic approach enhance the trustworthiness and generalizability of the findings.
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Affiliation(s)
- Aniruddha Sen
- Biochemistry, All India Institute of Medical Sciences, Gorakhpur, Gorakhpur, IND
| | | | - Amit Ranjan
- Physical Medicine and Rehabilitation, All India Institute of Medical Sciences, Gorakhpur, Gorakhpur, IND
| | - Vinoth Rajendran
- Community Medicine & Family Medicine, All India Institute of Medical Sciences, Gorakhpur, Gorakhpur, IND
| | - Subramaniam ArulVijayaVani
- Biochemistry, Jawaharlal Institute of Postgraduate Medical Education and Research Karaikal, Karaikal, IND
| | - Yuvaraj Balan
- Biochemistry, All India Institute of Medical Sciences, Madurai, Madurai, IND
| | - Akash Bansal
- Biochemistry, All India Institute of Medical Sciences, Gorakhpur, Gorakhpur, IND
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Agyekum JA, Yeboah K. Peripheral sensory neuropathy is associated with circulating angiopoietins in type 2 diabetes patients in Ghana. J Clin Transl Endocrinol 2023; 34:100327. [PMID: 37822668 PMCID: PMC10563058 DOI: 10.1016/j.jcte.2023.100327] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/09/2023] [Accepted: 09/28/2023] [Indexed: 10/13/2023] Open
Abstract
Objective Peripheral sensory neuropathy (PSN) is a common complication of type 2 diabetes (T2DM) that can lead to frequent ulcerations, lower extremities, and reduced quality of life. Imbalance in the circulating levels of angiogenic growth factors, notably, angiopoietin (Ang)-1, Ang-2 and vascular endothelial growth factor (VEGF) may be among the underlying mechanisms of PSN in T2DM patients. We studied the association between PSN and angiogenic growth factors, Ang-1, Ang-2 and VEGF in T2DM patients in Ghana. Methods In a case-control study design, PSN was evaluated in 160 patients with T2DM and 108 nondiabetic controls using vibration perception threshold (VPT) and diabetic neurological examination (DNE). The definition of PSN was abnormal VPT (≥25 mV) or the presence of neuropathic symptoms on examination (DNE score > 3). In addition, fasting venous blood samples were collected to measure circulating levels of Ang-1, Ang-2 and VEGF. Results Compared to non-diabetic controls, patients with T2DM had a higher prevalence of PSN using abnormal VPT (20.6 % vs 2.8 %, p < 0.001) or neuropathic symptoms (35.6 % vs 3.7 %, p < 0.001). Compared to nondiabetic controls, patients with T2DM had increased levels of Ang-2 [597 (274 - 1005) vs 838 (473 - 1241) ng/ml, p = 0.018] and VEGF [48.4 (17.4 - 110.1) vs 72.2 (28 - 201.8), p = 0.025] and decreased Ang-1 levels [41.1 (30 - 57.3) vs 36.1 (24.7 - 42.1) ng/ml, p = 0.01]. In regression analyses, an increase in Ang-1 levels was associated with decreased odds, while an increase in Ang-2 levels was associated with increased odds, of abnormal VPT and neuropathic symptoms in T2DM patients. Conclusion In our study population, PSN was associated with reduced plasma levels of Ang-1 and increased plasma levels of Ang-2 in patients with T2DM. Therefore, an imbalance of angiopoietins may be associated with PSN in T2DM.
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Affiliation(s)
- Jennifer A. Agyekum
- Department of Physiology, University of Ghana Medical School, Accra, Ghana
- Medical Laboratory Unit, Mamprobi Hospital, Ghana Health Services, Accra, Ghana
| | - Kwame Yeboah
- Department of Physiology, University of Ghana Medical School, Accra, Ghana
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Benítez-Camacho J, Ballesteros A, Beltrán-Camacho L, Rojas-Torres M, Rosal-Vela A, Jimenez-Palomares M, Sanchez-Gomar I, Durán-Ruiz MC. Endothelial progenitor cells as biomarkers of diabetes-related cardiovascular complications. Stem Cell Res Ther 2023; 14:324. [PMID: 37950274 PMCID: PMC10636846 DOI: 10.1186/s13287-023-03537-8] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/13/2023] [Indexed: 11/12/2023] Open
Abstract
Diabetes mellitus (DM) constitutes a chronic metabolic disease characterized by elevated levels of blood glucose which can also lead to the so-called diabetic vascular complications (DVCs), responsible for most of the morbidity, hospitalizations and death registered in these patients. Currently, different approaches to prevent or reduce DM and its DVCs have focused on reducing blood sugar levels, cholesterol management or even changes in lifestyle habits. However, even the strictest glycaemic control strategies are not always sufficient to prevent the development of DVCs, which reflects the need to identify reliable biomarkers capable of predicting further vascular complications in diabetic patients. Endothelial progenitor cells (EPCs), widely known for their potential applications in cell therapy due to their regenerative properties, may be used as differential markers in DVCs, considering that the number and functionality of these cells are affected under the pathological environments related to DM. Besides, drugs commonly used with DM patients may influence the level or behaviour of EPCs as a pleiotropic effect that could finally be decisive in the prognosis of the disease. In the current review, we have analysed the relationship between diabetes and DVCs, focusing on the potential use of EPCs as biomarkers of diabetes progression towards the development of major vascular complications. Moreover, the effects of different drugs on the number and function of EPCs have been also addressed.
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Affiliation(s)
- Josefa Benítez-Camacho
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Antonio Ballesteros
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Córdoba, Spain
| | - Lucía Beltrán-Camacho
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Córdoba, Spain
- Cell Biology, Physiology and Immunology Department, Córdoba University, Córdoba, Spain
| | - Marta Rojas-Torres
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Antonio Rosal-Vela
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Margarita Jimenez-Palomares
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Ismael Sanchez-Gomar
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Mª Carmen Durán-Ruiz
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain.
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain.
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Ding R, Zhu S, Zhao X, Yue R. Vascular endothelial growth factor levels in diabetic peripheral neuropathy: a systematic review and meta-analysis. Front Endocrinol (Lausanne) 2023; 14:1169405. [PMID: 37251664 PMCID: PMC10213658 DOI: 10.3389/fendo.2023.1169405] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 04/28/2023] [Indexed: 05/31/2023] Open
Abstract
Objective Vascular endothelial growth factors (VEGFs, including VEGF-A, VEGF-B, VEGF-C, VEGF-D and PLGF) have important roles in the development and function of the peripheral nervous system. Studies have confirmed that VEGFs, especially VEGF-A (so called VEGF) may be associated with the diabetic peripheral neuropathy (DPN) process. However, different studies have shown inconsistent levels of VEGFs in DPN patients. Therefore, we conducted this meta-analysis to evaluate the relationship between cycling levels of VEGFs and DPN. Methods This study searched 7 databases, including PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), VIP Database, WanFang Database, and Chinese Biomedical Literature (CBM), to find the target researches. The random effects model was used to calculate the overall effect. Results 14 studies with 1983 participants were included, among which 13 studies were about VEGF and 1 was VEGF-B, so only the effects of VEGF were pooled. The result showed that there were obviously increased VEGF levels in DPN patients compared with diabetic patients without DPN (SMD:2.12[1.34, 2.90], p<0.00001) and healthy people (SMD:3.50[2.24, 4.75], p<0.00001). In addition, increased circulating VEGF levels were not associated with an increased risk of DPN (OR:1.02[0.99, 1.05], p<0.00001). Conclusion Compared with healthy people and diabetic patients without DPN, VEGF content in the peripheral blood of DPN patients is increased, but current evidence does not support the correlation between VEGF levels and the risk of DPN. This suggests that VEGF may play a role in the pathogenesis and repairment of DPN.
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Affiliation(s)
- Rui Ding
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shicong Zhu
- Department of Respiratory, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaoyan Zhao
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Rensong Yue
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Chávez-Reyes J, Escárcega-González CE, Chavira-Suárez E, León-Buitimea A, Vázquez-León P, Morones-Ramírez JR, Villalón CM, Quintanar-Stephano A, Marichal-Cancino BA. Susceptibility for Some Infectious Diseases in Patients With Diabetes: The Key Role of Glycemia. Front Public Health 2021; 9:559595. [PMID: 33665182 PMCID: PMC7921169 DOI: 10.3389/fpubh.2021.559595] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 01/12/2021] [Indexed: 01/08/2023] Open
Abstract
Uncontrolled diabetes results in several metabolic alterations including hyperglycemia. Indeed, several preclinical and clinical studies have suggested that this condition may induce susceptibility and the development of more aggressive infectious diseases, especially those caused by some bacteria (including Chlamydophila pneumoniae, Haemophilus influenzae, and Streptococcus pneumoniae, among others) and viruses [such as coronavirus 2 (CoV2), Influenza A virus, Hepatitis B, etc.]. Although the precise mechanisms that link glycemia to the exacerbated infections remain elusive, hyperglycemia is known to induce a wide array of changes in the immune system activity, including alterations in: (i) the microenvironment of immune cells (e.g., pH, blood viscosity and other biochemical parameters); (ii) the supply of energy to infectious bacteria; (iii) the inflammatory response; and (iv) oxidative stress as a result of bacterial proliferative metabolism. Consistent with this evidence, some bacterial infections are typical (and/or have a worse prognosis) in patients with hypercaloric diets and a stressful lifestyle (conditions that promote hyperglycemic episodes). On this basis, the present review is particularly focused on: (i) the role of diabetes in the development of some bacterial and viral infections by analyzing preclinical and clinical findings; (ii) discussing the possible mechanisms by which hyperglycemia may increase the susceptibility for developing infections; and (iii) further understanding the impact of hyperglycemia on the immune system.
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Affiliation(s)
- Jesús Chávez-Reyes
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Carlos E Escárcega-González
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Erika Chavira-Suárez
- Unidad de Vinculación Científica de la Facultad de Medicina, Universidad Nacional Autónoma de México en el Instituto Nacional de Medicina Genómica, Mexico City, Mexico
| | - Angel León-Buitimea
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Priscila Vázquez-León
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - José R Morones-Ramírez
- Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León, Mexico
| | - Carlos M Villalón
- Departamento de Farmacobiología, Cinvestav-Coapa, Mexico City, Mexico
| | - Andrés Quintanar-Stephano
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
| | - Bruno A Marichal-Cancino
- Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Mexico
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Schreier S, Triampo W. The Blood Circulating Rare Cell Population. What is it and What is it Good For? Cells 2020; 9:cells9040790. [PMID: 32218149 PMCID: PMC7226460 DOI: 10.3390/cells9040790] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/13/2020] [Accepted: 03/16/2020] [Indexed: 02/06/2023] Open
Abstract
Blood contains a diverse cell population of low concentration hematopoietic as well as non-hematopoietic cells. The majority of such rare cells may be bone marrow-derived progenitor and stem cells. This paucity of circulating rare cells, in particular in the peripheral circulation, has led many to believe that bone marrow as well as other organ-related cell egress into the circulation is a response to pathological conditions. Little is known about this, though an increasing body of literature can be found suggesting commonness of certain rare cell types in the peripheral blood under physiological conditions. Thus, the isolation and detection of circulating rare cells appears to be merely a technological problem. Knowledge about rare cell types that may circulate the blood stream will help to advance the field of cell-based liquid biopsy by supporting inter-platform comparability, making use of biological correct cutoffs and “mining” new biomarkers and combinations thereof in clinical diagnosis and therapy. Therefore, this review intends to lay ground for a comprehensive analysis of the peripheral blood rare cell population given the necessity to target a broader range of cell types for improved biomarker performance in cell-based liquid biopsy.
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Affiliation(s)
- Stefan Schreier
- School of Bioinnovation and Bio-based Product Intelligence, Faculty of Science, Mahidol University, Rama VI Rd, Bangkok 10400, Thailand;
- Thailand Center of Excellence in Physics, Ministry of Higher Education, Science, Research and Innovation, 328 Si Ayutthaya Road, Bangkok 10400, Thailand
| | - Wannapong Triampo
- Thailand Center of Excellence in Physics, Ministry of Higher Education, Science, Research and Innovation, 328 Si Ayutthaya Road, Bangkok 10400, Thailand
- Department of Physics, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
- Correspondence:
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