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Nițulescu IM, Ciulei G, Cozma A, Procopciuc LM, Orășan OH. From Innate Immunity to Metabolic Disorder: A Review of the NLRP3 Inflammasome in Diabetes Mellitus. J Clin Med 2023; 12:6022. [PMID: 37762961 PMCID: PMC10531881 DOI: 10.3390/jcm12186022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/14/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023] Open
Abstract
The role of the NLRP3 inflammasome is pivotal in the pathophysiology and progression of diabetes mellitus (DM), encompassing both type 1 (T1D), or type 2 (T2D). As part of the innate immune system, NLRP3 is also responsible for the chronic inflammation triggered by hyperglycemia. In both conditions, NLRP3 facilitates the release of interleukin-1β and interleukin-18. For T1D, NLRP3 perpetuates the autoimmune cascade, leading to the destruction of pancreatic islet cells. In T2D, its activation is associated with the presence of insulin resistance. NLRP3 activation is also instrumental for the presence of numerous complications associated with DM, microvascular and macrovascular. A considerable number of anti-diabetic drugs have demonstrated the ability to inhibit the NLRP3 inflammasome.
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Affiliation(s)
- Iris Maria Nițulescu
- Department 4 of Internal Medicine, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (I.M.N.); (A.C.); (O.H.O.)
| | - George Ciulei
- Department 4 of Internal Medicine, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (I.M.N.); (A.C.); (O.H.O.)
| | - Angela Cozma
- Department 4 of Internal Medicine, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (I.M.N.); (A.C.); (O.H.O.)
| | - Lucia Maria Procopciuc
- Department 2 of Molecular Sciences, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Olga Hilda Orășan
- Department 4 of Internal Medicine, Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (I.M.N.); (A.C.); (O.H.O.)
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Ding S, Xu S, Ma Y, Liu G, Jang H, Fang J. Modulatory Mechanisms of the NLRP3 Inflammasomes in Diabetes. Biomolecules 2019; 9:biom9120850. [PMID: 31835423 PMCID: PMC6995523 DOI: 10.3390/biom9120850] [Citation(s) in RCA: 139] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/02/2019] [Accepted: 12/02/2019] [Indexed: 12/12/2022] Open
Abstract
The inflammasome is a multiprotein complex that acts to enhance inflammatory responses by promoting the production and secretion of key cytokines. The best-known inflammasome is the NLRP3 (nucleotide-binding oligomerization domain-like receptor [NLR] family pyrin domain-containing 3) inflammasome. The evidence has shown that the NLRP3 inflammasome, IL-1β, thioredoxin-interacting protein (TXNIP), and pyroptosis play vital roles in the development of diabetes. This review summarizes the regulation of type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM) by NLRP3 via modulation of glucose tolerance, insulin resistance, inflammation, and apoptosis mediated by endoplasmic reticulum stress in adipose tissue. Moreover, NLRP3 participates in intestinal homeostasis and inflammatory conditions, and NLRP3-deficient mice experience intestinal lesions. The diversity of an individual's gut microbiome and the resultant microbial metabolites determines the extent of their involvement in the physiological and pathological mechanisms within the gut. As such, further study of the interaction between the NLRP3 inflammasome and the complex intestinal environment in disease development is warranted to discover novel therapies for the treatment of diabetes.
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Affiliation(s)
- Sujuan Ding
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, Hunan, China; (S.D.); (Y.M.)
| | - Sheng Xu
- College of Life Sciences, Shandong Agricultural University, Tai’an 271018, Shandong, China;
| | - Yong Ma
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, Hunan, China; (S.D.); (Y.M.)
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, Hunan, China; (S.D.); (Y.M.)
- Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Changsha 410125, Hunan, China
- Correspondence: (G.L.); (H.J.); (J.F.); Tel.:+86-731-8461-9706 (G.L.); +86-731-8461-3600 (J.F.)
| | - Hongmei Jang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, Hunan, China; (S.D.); (Y.M.)
- Correspondence: (G.L.); (H.J.); (J.F.); Tel.:+86-731-8461-9706 (G.L.); +86-731-8461-3600 (J.F.)
| | - Jun Fang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, Hunan, China; (S.D.); (Y.M.)
- Correspondence: (G.L.); (H.J.); (J.F.); Tel.:+86-731-8461-9706 (G.L.); +86-731-8461-3600 (J.F.)
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IL-6 and IL-18 cytokine gene variants of pulmonary tuberculosis patients with co-morbid diabetes mellitus and their household contacts in Hyderabad. Gene 2017; 627:298-306. [PMID: 28652186 DOI: 10.1016/j.gene.2017.06.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 06/15/2017] [Accepted: 06/22/2017] [Indexed: 12/24/2022]
Abstract
PURPOSE Association of cytokine genes reflects their susceptibility towards infection and disease in household contacts (HHC) of pulmonary tuberculosis (PTB) patients. Hyperglycemia, a common factor in diabetics might influence their risk towards mycobacterium tuberculosis infection and disease development. This study determines the association of IL-6 and IL-18 cytokine gene variants of TB patients with diabetes mellitus (TBDM) and their HHC in Hyderabad. METHODS Single nucleotide polymorphisms of IL-6 (-174 G>C and -572 G>C) and IL-18 (-137 G>C and -607 C>A) cytokine genes were genotyped by Amplification Refractory Mutation System and Restriction Fragment Length polymerase chain reaction in total of 705 subjects comprising of TBDM, their HHC, PTB, DM and Healthy controls (HC). RESULTS At IL-6 -174G>C variant, GG genotype, G allele in TBDM and TBDM HHC, at -572G>C variant, C allele in TBDM and GG haplotype in TBDM HHC were showing positive association, however DM have not shown any association at IL-6 polymorphic sites. With respect to the IL-18 gene polymorphisms, at -137 G>C variant, GG genotype was positively associated in PTB while at -607 C>A variant positive association was shown with AC genotype in TBDM, their HHC and DM; GACC diplotype in TBDM and GCGC in PTB. CONCLUSION Our findings suggest that susceptible combination of IL-6 and IL-18 cytokine genes associated with disease in the HHCs highlight their risk of inclination towards the disease.
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Ballak DB, Stienstra R, Tack CJ, Dinarello CA, van Diepen JA. IL-1 family members in the pathogenesis and treatment of metabolic disease: Focus on adipose tissue inflammation and insulin resistance. Cytokine 2015; 75:280-90. [PMID: 26194067 PMCID: PMC4553099 DOI: 10.1016/j.cyto.2015.05.005] [Citation(s) in RCA: 180] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 05/07/2015] [Accepted: 05/07/2015] [Indexed: 02/06/2023]
Abstract
Obesity is characterized by a chronic, low-grade inflammation that contributes to the development of insulin resistance and type 2 diabetes. Cytokines and chemokines produced by immunocompetent cells influence local as well as systemic inflammation and are therefore critical contributors to the pathogenesis of type 2 diabetes. Hence, cytokines that modulate inflammatory responses are emerging as potential targets for intervention and treatment of the metabolic consequences of obesity. The interleukin-1 (IL-1) family of cytokines and receptors are key mediators of innate inflammatory responses and exhibit both pro- and anti-inflammatory functions. During the last decades, mechanistic insights into how the IL-1 family affects the initiation and progression of obesity-induced insulin resistance have increased significantly. Here, we review the current knowledge and understanding, with emphasis on the therapeutic potential of individual members of the IL-1 family of cytokines for improving insulin sensitivity in patients with diabetes.
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Affiliation(s)
- Dov B Ballak
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA; Department of Medicine, University of Colorado Denver, Aurora, CO, USA.
| | - Rinke Stienstra
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Human Nutrition, Wageningen University, Wageningen, The Netherlands
| | - Cees J Tack
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Charles A Dinarello
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; Department of Medicine, University of Colorado Denver, Aurora, CO, USA
| | - Janna A van Diepen
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
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Banerjee M, Saxena M. Genetic polymorphisms of cytokine genes in type 2 diabetes mellitus. World J Diabetes 2014; 5:493-504. [PMID: 25126395 PMCID: PMC4127584 DOI: 10.4239/wjd.v5.i4.493] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 04/11/2014] [Accepted: 06/16/2014] [Indexed: 02/05/2023] Open
Abstract
Diabetes mellitus is a combined metabolic disorder which includes hyperglycemia, dyslipidemia, stroke and several other complications. Various groups all over the world are relentlessly working out the possible role of a vast number of genes associated with type 2 diabetes (T2DM). Inflammation is an important outcome of any kind of imbalance in the body and is therefore an indicator of several diseases, including T2DM. Various ethnic populations around the world show different levels of variations in single nucleotide polymorphisms (SNPs). The present review was undertaken to explore the association of cytokine gene polymorphisms with T2DM in populations of different ethnicities. This will lead to the understanding of the role of cytokine genes in T2DM risk and development. Association studies of genotypes of SNPs present in cytokine genes will help to identify risk haplotype(s) for disease susceptibility by developing prognostic markers and alter treatment strategies for T2DM and related complications. This will enable individuals at risk to take prior precautionary measures and avoid or delay the onset of the disease. Future challenges will be to understand the genotypic interactions between SNPs in one cytokine gene or several genes at different loci and study their association with T2DM.
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Bi Y, Wang T, Xu M, Xu Y, Li M, Lu J, Zhu X, Ning G. Advanced research on risk factors of type 2 diabetes. Diabetes Metab Res Rev 2012; 28 Suppl 2:32-9. [PMID: 23280864 DOI: 10.1002/dmrr.2352] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The prevalence of type 2 diabetes is increasing globally and poses a heavy burden on public health and socioeconomic development of all nations. Type 2 diabetes is a multifactorial disease and due to a combination of environmental and genetic risk factors. Many environmental risk factors contribute to the pathogenesis of type 2 diabetes, including lifestyles such as sedentary behaviour, diet, smoking and alcohol consumption, internal environmental factors such as inflammatory factors, adipocytokines and hepatocyte factors, external environmental factors such as environmental endocrine disruptors. This review summarizes current research efforts concentrated on the contributors for accelerated type 2 diabetes epidemic. It also provides a novel prospect for future researches.
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Affiliation(s)
- Yufang Bi
- Key Laboratory for Endocrine and Metabolic Diseases of Ministry of Health, Rui-Jin Hospital, Shanghai Jiao Tong University School of Medicine, E-Institute of Shanghai Universities, Shanghai, China
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Interleukin-1 (IL-1) family of cytokines: role in type 2 diabetes. Clin Chim Acta 2012; 413:1163-70. [PMID: 22521751 DOI: 10.1016/j.cca.2012.03.021] [Citation(s) in RCA: 134] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 03/20/2012] [Accepted: 03/24/2012] [Indexed: 12/17/2022]
Abstract
Cytokines are small cell signaling protein molecules which encompass a large and diverse family. They consist of immunomodulating agents such as interleukins and inteferons. Virtually all nucleated cells, especially endo/epithelial cells and macrophages are potent producers of IL-1, IL-6 and TNF-α. IL-1 family is a group of cytokines which play a central role in the regulation of immune and inflammatory responses. Type 2 diabetes (T2D) has been recognized as an immune mediated disease leading to impaired insulin signaling and selective destruction of insulin producing β-cells in which cytokines play an important role. Disturbance of anti-inflammatory response could be a critical component of the chronic inflammation resulting in T2D. IL-1 family of cytokines has important roles in endocrinology and in the regulation of responses associated with inflammatory stress. The IL-1 family consists of two pro-inflammatory cytokines, IL-1α and IL-1β, and a naturally occurring anti-inflammatory agent, the IL-1 receptor antagonist (IL-1Ra or IL-1RN). This review is an insight into the different types of cytokines belonging to IL-1 family, their modes of action and association with Type 2 diabetes.
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Zheng YY, Xie X, Ma YT, Yang YN, Fu ZY, Li XM, Ma X, Chen BD, Liu F. Relationship between type 2 diabetes mellitus and a novel polymorphism C698T in C5L2 in the Chinese Han population. Endocrine 2012; 41:296-301. [PMID: 22180093 DOI: 10.1007/s12020-011-9574-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Accepted: 11/27/2011] [Indexed: 12/27/2022]
Abstract
In a previous study, we reported a novel single nucleotide polymorphism (SNP) 698C>T (P233L) in the gene, C5L2. This gene has been demonstrated to encode a functional receptor of acylation-stimulating protein (ASP), a G-protein-coupled receptor (GPCR), that has been shown to influence insulin secretion in cultured pancreatic islet cells in vitro and is a stimulator of triglyceride synthesis and glucose transport in vivo. In this study, we evaluated the relationship between this novel C5L2 SNP and development of type 2 diabetes mellitus (T2DM) in the Chinese Han population. A case-control study examining Chinese Han T2DM patients (n = 554) and healthy controls (n = 648) was performed to investigate the role of the 698C>T (P233L) C5L2 polymorphism. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis was used to determine expression of this SNP. Heterozygote carriers of the 698CT C5L2 genotype were more frequent among T2DM patients (13.5%) than controls (3.2%; P < 0.001). The frequency of 698CT heterozygote carriers was significantly higher in women (12.8%) than in male subjects (5.7%, P < 0.001). The odds ratio (OR) of T2DM for 698CT carriers was 4.675 [95% confidence interval (CI) 2.840-7.694]. After adjustment of confounding factors such as age, sex, smoking, drinking, hypertension, and triglyceride (TG), total cholesterol, high-density lipoprotein, and low-density lipoprotein levels, the difference remained significant (P < 0.001, OR 5.556, 95% CI 2.444-12.630). Furthermore, the diabetic 698CT carriers displayed an increase in their serum TG level. However, there were no significant differences observed in any of the parameters measured in the control group. We conclude that the 698CT genotype of C5L2 may be an influencing genetic factor for T2DM in the Chinese Han population. These findings also indicate that heterozygous expression of 698CT C5L2 may contribute to metabolic abnormalities.
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Affiliation(s)
- Ying-Ying Zheng
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, People's Republic of China
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