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Tonon CR, Monte MG, Balin PS, Fujimori ASS, Ribeiro APD, Ferreira NF, Vieira NM, Cabral RP, Okoshi MP, Okoshi K, Zornoff LAM, Minicucci MF, Paiva SAR, Gomes MJ, Polegato BF. Liraglutide Pretreatment Does Not Improve Acute Doxorubicin-Induced Cardiotoxicity in Rats. Int J Mol Sci 2024; 25:5833. [PMID: 38892020 PMCID: PMC11172760 DOI: 10.3390/ijms25115833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
Doxorubicin is an effective drug for cancer treatment; however, cardiotoxicity limits its use. Cardiotoxicity pathophysiology is multifactorial. GLP-1 analogues have been shown to reduce oxidative stress and inflammation. In this study, we evaluated the effect of pretreatment with liraglutide on doxorubicin-induced acute cardiotoxicity. A total of 60 male Wistar rats were allocated into four groups: Control (C), Doxorubicin (D), Liraglutide (L), and Doxorubicin + Liraglutide (DL). L and DL received subcutaneous injection of liraglutide 0.6 mg/kg daily, while C and D received saline for 2 weeks. Afterwards, D and DL received a single intraperitoneal injection of doxorubicin 20 mg/kg; C and L received an injection of saline. Forty-eight hours after doxorubicin administration, the rats were subjected to echocardiogram, isolated heart functional study, and euthanasia. Liraglutide-treated rats ingested significantly less food and gained less body weight than animals that did not receive the drug. Rats lost weight after doxorubicin injection. At echocardiogram and isolated heart study, doxorubicin-treated rats had systolic and diastolic function impairment. Myocardial catalase activity was statistically higher in doxorubicin-treated rats. Myocardial protein expression of tumor necrosis factor alpha (TNF-α), phosphorylated nuclear factor-κB (p-NFκB), troponin T, and B-cell lymphoma 2 (Bcl-2) was significantly lower, and the total NFκB/p-NFκB ratio and TLR-4 higher in doxorubicin-treated rats. Myocardial expression of OPA-1, MFN-2, DRP-1, and topoisomerase 2β did not differ between groups (p > 0.05). In conclusion, doxorubicin-induced cardiotoxicity is accompanied by decreased Bcl-2 and phosphorylated NFκB and increased catalase activity and TLR-4 expression. Liraglutide failed to improve acute doxorubicin-induced cardiotoxicity in rats.
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Affiliation(s)
- Carolina R. Tonon
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Marina G. Monte
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Paola S. Balin
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Anderson S. S. Fujimori
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Ana Paula D. Ribeiro
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Natália F. Ferreira
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Nayane M. Vieira
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Ronny P. Cabral
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Marina P. Okoshi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Katashi Okoshi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Leonardo A. M. Zornoff
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Marcos F. Minicucci
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Sergio A. R. Paiva
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
| | - Mariana J. Gomes
- Department of Kinesiology and Sport Management, Texas A&M University, College Station, TX 77843, USA;
| | - Bertha F. Polegato
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.G.M.); (P.S.B.); (A.S.S.F.); (A.P.D.R.); (N.F.F.); (N.M.V.); (R.P.C.); (M.P.O.); (K.O.); (L.A.M.Z.); (M.F.M.); (S.A.R.P.); (B.F.P.)
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Gong B, Yao Z, Zhou C, Wang W, Sun L, Han J. Glucagon-like peptide-1 analogs: Miracle drugs are blooming? Eur J Med Chem 2024; 269:116342. [PMID: 38531211 DOI: 10.1016/j.ejmech.2024.116342] [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: 12/30/2023] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 03/28/2024]
Abstract
Glucagon-like peptide-1 (GLP-1), secreted by L cells in the small intestine, assumes a central role in managing type 2 diabetes mellitus (T2DM) and obesity. Its influence on insulin secretion and gastric emptying positions it as a therapeutic linchpin. However, the limited applicability of native GLP-1 stems from its short half-life, primarily due to glomerular filtration and the inactivating effect of dipeptidyl peptidase-IV (DPP-IV). To address this, various structural modification strategies have been developed to extend GLP-1's half-life. Despite the commendable efficacy displayed by current GLP-1 receptor agonists, inherent limitations persist. A paradigm shift emerges with the advent of unimolecular multi-agonists, such as the recently introduced tirzepatide, wherein GLP-1 is ingeniously combined with other gastrointestinal hormones. This novel approach has captured the spotlight within the diabetes and obesity research community. This review summarizes the physiological functions of GLP-1, systematically explores diverse structural modifications, delves into the realm of unimolecular multi-agonists, and provides a nuanced portrayal of the developmental prospects that lie ahead for GLP-1 analogs.
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Affiliation(s)
- Binbin Gong
- College of Medicine, Jiaxing University, Jiaxing, 314001, China; College of Pharmacy, Zhejiang University of Technology, Hangzhou, 310000, China
| | - Zhihong Yao
- College of Medicine, Jiaxing University, Jiaxing, 314001, China; College of Pharmacy, Zhejiang University of Technology, Hangzhou, 310000, China
| | - Chenxu Zhou
- College of Medicine, Jiaxing University, Jiaxing, 314001, China
| | - Wenxi Wang
- College of Pharmacy, Zhejiang University of Technology, Hangzhou, 310000, China
| | - Lidan Sun
- College of Medicine, Jiaxing University, Jiaxing, 314001, China.
| | - Jing Han
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, China.
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Luna-Marco C, de Marañon AM, Hermo-Argibay A, Rodriguez-Hernandez Y, Hermenejildo J, Fernandez-Reyes M, Apostolova N, Vila J, Sola E, Morillas C, Rovira-Llopis S, Rocha M, Victor VM. Effects of GLP-1 receptor agonists on mitochondrial function, inflammatory markers and leukocyte-endothelium interactions in type 2 diabetes. Redox Biol 2023; 66:102849. [PMID: 37591012 PMCID: PMC10457591 DOI: 10.1016/j.redox.2023.102849] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/08/2023] [Accepted: 08/11/2023] [Indexed: 08/19/2023] Open
Abstract
OBJECTIVE Type 2 diabetes (T2D) is linked to metabolic, mitochondrial and inflammatory alterations, atherosclerosis development and cardiovascular diseases (CVDs). The aim was to investigate the potential therapeutic benefits of GLP-1 receptor agonists (GLP-1 RA) on oxidative stress, mitochondrial respiration, leukocyte-endothelial interactions, inflammation and carotid intima-media thickness (CIMT) in T2D patients. RESEARCH DESIGN AND METHODS Type 2 diabetic patients (255) and control subjects (175) were recruited, paired by age and sex, and separated into two groups: without GLP-1 RA treatment (196) and treated with GLP-1 RA (59). Peripheral blood polymorphonuclear leukocytes (PMNs) were isolated to measure reactive oxygen species (ROS) production by flow cytometry and oxygen consumption with a Clark electrode. PMNs were also used to assess leukocyte-endothelial interactions. Circulating levels of adhesion molecules and inflammatory markers were quantified by Luminex's technology, and CIMT was measured as surrogate marker of atherosclerosis. RESULTS Treatment with GLP-1 RA reduced ROS production and recovered mitochondrial membrane potential, oxygen consumption and MPO levels. The velocity of leukocytes rolling over endothelial cells increased in PMNs from GLP-1 RA-treated patients, whereas rolling and adhesion were diminished. ICAM-1, VCAM-1, IL-6, TNFα and IL-12 protein levels also decreased in the GLP-1 RA-treated group, while IL-10 increased. CIMT was lower in GLP-1 RA-treated T2D patients than in T2D patients without GLP-1 RA treatment. CONCLUSIONS GLP-1 RA treatment improves the redox state and mitochondrial respiration, and reduces leukocyte-endothelial interactions, inflammation and CIMT in T2D patients, thereby potentially diminishing the risk of atherosclerosis and CVDs.
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Affiliation(s)
- Clara Luna-Marco
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Arantxa M de Marañon
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain; Cancer Research @UCC, College of Medicine and Health, University College Cork, Ireland.
| | - Alberto Hermo-Argibay
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Yohaly Rodriguez-Hernandez
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Jonathan Hermenejildo
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Meylin Fernandez-Reyes
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Nadezda Apostolova
- Department of Pharmacology, University of Valencia, Valencia, Spain; National Network of Biomedical Research on Hepatic and Digestive Diseases (CIBERehd), Valencia, Spain.
| | - Jose Vila
- Department of Physiology, University of Valencia, INCLIVA (Biomedical Research Institute Valencia), Valencia, Spain.
| | - Eva Sola
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Carlos Morillas
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Susana Rovira-Llopis
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain; Department of Physiology, University of Valencia, INCLIVA (Biomedical Research Institute Valencia), Valencia, Spain.
| | - Milagros Rocha
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain.
| | - Victor M Victor
- Service of Endocrinology and Nutrition, Foundation for the Promotion of Health and Biomedical Research in the Valencian Region (FISABIO), University Hospital Doctor Peset, Valencia, Spain; National Network of Biomedical Research on Hepatic and Digestive Diseases (CIBERehd), Valencia, Spain; Department of Physiology, University of Valencia, INCLIVA (Biomedical Research Institute Valencia), Valencia, Spain.
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Zhou GH, Tao M, Wang Q, Chen XY, Liu J, Zhang LL. Maturity-onset diabetes of the young type 9 or latent autoimmune diabetes in adults: A case report and review of literature. World J Diabetes 2023; 14:1137-1145. [PMID: 37547587 PMCID: PMC10401456 DOI: 10.4239/wjd.v14.i7.1137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/27/2023] [Accepted: 06/05/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND Maturity-onset diabetes of the young (MODY) is a monogenic genetic disease often clinically misdiagnosed as type 1 or type 2 diabetes. MODY type 9 (MODY9) is a rare subtype caused by mutations in the PAX4 gene. Currently, there are limited reports on PAX4-MODY, and its clinical characteristics and treatments are still unclear. In this report, we described a Chinese patient with high autoimmune antibodies, hyperglycemia and a site mutation in the PAX4 gene.
CASE SUMMARY A 42-year-old obese woman suffered diabetes ketoacidosis after consuming substantial amounts of beverages. She had never had diabetes before, and no one in her family had it. However, her autoantibody tested positive, and she managed her blood glucose within the normal range for 6 mo through lifestyle inter-ventions. Later, her blood glucose gradually increased. Next-generation sequencing and Sanger sequencing were performed on her family. The results revealed that she and her mother had a heterozygous mutation in the PAX4 gene (c.314G>A, p.R105H), but her daughter did not. The patient is currently taking liraglutide (1.8 mg/d), and her blood glucose levels are under control. Previous cases were retrieved from PubMed to investigate the relationship between PAX4 gene mutations and diabetes.
CONCLUSION We reported the first case of a PAX4 gene heterozygous mutation site (c.314G>A, p.R105H), which does not appear pathogenic to MODY9 but may facilitate the progression of latent autoimmune diabetes in adults.
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Affiliation(s)
- Guang-Hong Zhou
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Min Tao
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Qing Wang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Xing-Yu Chen
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Jing Liu
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Li-Li Zhang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
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Tagorti G, Yalçın B, Güneş M, Burgazlı AY, Kaya B. Computational assessment of the biological response of curcumin to type 2 diabetes mellitus induced by metal exposure. Toxicology 2023; 491:153531. [PMID: 37121082 DOI: 10.1016/j.tox.2023.153531] [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: 03/27/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/02/2023]
Abstract
The current study aimed to identify the molecular mechanisms of a metal mixture (cadmium, nickel, and lead) involved in type 2 diabetes mellitus (T2DM) development and the therapeutic effect of curcumin in this metal mixture-induced T2DM. To accomplish this, SwissADME assessed the physicochemical and pharmacokinetic properties of curcumin and the Prediction of Activity Spectra for Substances evaluates its biological activities. The Comparative Toxicogenomics Database, Cytoscape, AutoDock Vina, and MicroRNA ENrichment TURned NETwork were used as tools to perform data-mining approaches and molecular docking. Curcumin properties were fitted within the acceptable range to be a promising drug candidate. The mixed metal altered 23 genes linked to T2DM development and targeted by curcumin. Curcumin had a dual-natured effect or antagonistic effect for most of the involved genes in T2DM and metal mixture. The most prominent biological processes were identified as ''response to external stimulus'', ''regulation of programmed cell death'', ''programmed cell death'', ''cell death'', and ''response to stress''. Three highly interacted miRNAs related to metal mixture-induced T2DM and targeted by curcumin (hsa-miR-98-5p, hsa-miR-34a-5p, and hsa-miR-155-5p) were identified. These findings could pave the way for further studies to evaluate the link between these genes and T2DM.
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Affiliation(s)
- Ghada Tagorti
- Akdeniz University, Faculty of Sciences, Department of Biology, Campus, Antalya 07058, Turkey
| | - Burçin Yalçın
- Akdeniz University, Faculty of Sciences, Department of Biology, Campus, Antalya 07058, Turkey
| | - Merve Güneş
- Akdeniz University, Faculty of Sciences, Department of Biology, Campus, Antalya 07058, Turkey
| | - Ayşen Yağmur Burgazlı
- Akdeniz University, Faculty of Sciences, Department of Biology, Campus, Antalya 07058, Turkey
| | - Bülent Kaya
- Akdeniz University, Faculty of Sciences, Department of Biology, Campus, Antalya 07058, Turkey.
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Zhu J, Han J, Liu L, Liu Y, Xu W, Li X, Yang L, Gu Y, Tang W, Shi Y, Ye S, Hua F, Xiang G, Liu M, Sun Z, Su Q, Li X, Li Y, Li Y, Li H, Li Y, Yang T, Yang J, Shi L, Yu X, Chen L, Shao J, Liang J, Han X, Xue Y, Ma J, Zhu D, Mu Y. Clinical expert consensus on the assessment and protection of pancreatic islet β-cell function in type 2 diabetes mellitus. Diabetes Res Clin Pract 2023; 197:110568. [PMID: 36738836 DOI: 10.1016/j.diabres.2023.110568] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/08/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Islet β-cell dysfunction is a basic pathophysiological characteristic of type 2 diabetes mellitus (T2DM). Appropriate assessment of islet β-cell function is beneficial to better management of T2DM. Protecting islet β-cell function is vital to delay the progress of type 2 diabetes mellitus. Therefore, the Pancreatic Islet β-cell Expert Panel of the Chinese Diabetes Society and Endocrinology Society of Jiangsu Medical Association organized experts to draft the "Clinical expert consensus on the assessment and protection of pancreatic islet β-cell function in type 2 diabetes mellitus." This consensus suggests that β-cell function can be clinically assessed using blood glucose-based methods or methods that combine blood glucose and endogenous insulin or C-peptide levels. Some measures, including weight loss and early and sustained euglycemia control, could effectively protect islet β-cell function, and some newly developed drugs, such as Sodium-glucose cotransporter-2 inhibitor and Glucagon-like peptide-1 receptor agonists, could improve islet β-cell function, independent of glycemic control.
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Affiliation(s)
- Jian Zhu
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Junfeng Han
- Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai, China
| | - Liehua Liu
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yu Liu
- Endocrinology Department, Sir Run Run Hospital of Nanjing Medical University, Nanjing, China
| | - Wen Xu
- Department of Endocrinology and Metabolism, Guangdong Provincial Key Laboratory of Diabetology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaomu Li
- Department of Endocrine and Metabolism, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lin Yang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yong Gu
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Tang
- Department of Endocrinology, Geriatric Hospital of Nanjing Medical University, Nanjing, China
| | - Yongquan Shi
- Department of Endocrinology, Changzheng Hospital, The Navy Military Medical University, Shanghai, China
| | - Shandong Ye
- Department of Endocrinology, Anhui Provincial Hospital, Hefei, China
| | - Fei Hua
- Department of Endocrinology, The First People's Hospital of Changzhou, Changzhou, China
| | - Guangda Xiang
- Department of Endocrinology, General Hospital of Central Theater Command of Chinese People' s Liberation Army, Wuhan, China
| | - Ming Liu
- Department of Endocrinology, General Hospital, Tianjin Medical University, Tianjin, China
| | - Zilin Sun
- Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University, Nanjing, China
| | - Qing Su
- Department of Endocrinology, Xinhua Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Xiaoying Li
- Department of Endocrine and Metabolism, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuxiu Li
- Department of Endocrinology, Peking Union Medical College Hospital, Beijing, China
| | - Yanbing Li
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Hong Li
- Department of Endocrinology, First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yiming Li
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Tao Yang
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jing Yang
- Department of Endocrinology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Lixin Shi
- Department of Endocrinology, Guiqian International General Hospital, Guiyang 550018, China
| | - Xuefeng Yu
- Department of Endocrinology, Tongji Hospital, Tongji Medical College of Huazhong University of Science & Technology, Wuhan, China
| | - Li Chen
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
| | - Jiaqing Shao
- Department of Endocrinology, the Affiliated Jinling Hospital of Nanjing Medical University, General Hospital of Eastern Theater Command, Nanjing, China
| | - Jun Liang
- Department of Endocrinology, Xuzhou Central Hospital, Xuzhou, China
| | - Xiao Han
- Key Laboratory of Human Functional Genomics of Jiangsu Province, School of Basic Medical Science, Nanjing Medical University, Nanjing, China
| | - Yaomin Xue
- The First Clinical Medical Institute, Southern Medical University, Guangzhou, China
| | - Jianhua Ma
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
| | - Dalong Zhu
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China.
| | - Yiming Mu
- Department of Endocrinology, Chinese PLA General Hospital, Beijing, China.
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Structure, Activation, and Regulation of NOX2: At the Crossroad between the Innate Immunity and Oxidative Stress-Mediated Pathologies. Antioxidants (Basel) 2023; 12:antiox12020429. [PMID: 36829988 PMCID: PMC9952346 DOI: 10.3390/antiox12020429] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/04/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023] Open
Abstract
Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) is a multisubunit enzyme complex that participates in the generation of superoxide or hydrogen peroxide (H2O2) and plays a key role in several biological functions. Among seven known NOX isoforms, NOX2 was the first identified in phagocytes but is also expressed in several other cell types including endothelial cells, platelets, microglia, neurons, and muscle cells. NOX2 has been assigned multiple roles in regulating many aspects of innate and adaptive immunity, and human and mouse models of NOX2 genetic deletion highlighted this key role. On the other side, NOX2 hyperactivation is involved in the pathogenesis of several diseases with different etiologies but all are characterized by an increase in oxidative stress and inflammatory process. From this point of view, the modulation of NOX2 represents an important therapeutic strategy aimed at reducing the damage associated with its hyperactivation. Although pharmacological strategies to selectively modulate NOX2 are implemented thanks to new biotechnologies, this field of research remains to be explored. Therefore, in this review, we analyzed the role of NOX2 at the crossroads between immunity and pathologies mediated by its hyperactivation. We described (1) the mechanisms of activation and regulation, (2) human, mouse, and cellular models studied to understand the role of NOX2 as an enzyme of innate immunity, (3) some of the pathologies associated with its hyperactivation, and (4) the inhibitory strategies, with reference to the most recent discoveries.
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8
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Goode RA, Hum JM, Kalwat MA. Therapeutic Strategies Targeting Pancreatic Islet β-Cell Proliferation, Regeneration, and Replacement. Endocrinology 2022; 164:6836713. [PMID: 36412119 PMCID: PMC9923807 DOI: 10.1210/endocr/bqac193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022]
Abstract
Diabetes results from insufficient insulin production by pancreatic islet β-cells or a loss of β-cells themselves. Restoration of regulated insulin production is a predominant goal of translational diabetes research. Here, we provide a brief overview of recent advances in the fields of β-cell proliferation, regeneration, and replacement. The discovery of therapeutic targets and associated small molecules has been enabled by improved understanding of β-cell development and cell cycle regulation, as well as advanced high-throughput screening methodologies. Important findings in β-cell transdifferentiation, neogenesis, and stem cell differentiation have nucleated multiple promising therapeutic strategies. In particular, clinical trials are underway using in vitro-generated β-like cells from human pluripotent stem cells. Significant challenges remain for each of these strategies, but continued support for efforts in these research areas will be critical for the generation of distinct diabetes therapies.
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Affiliation(s)
- Roy A Goode
- Division of Biomedical Sciences, College of Osteopathic Medicine, Marian University, Indianapolis, IN, USA
| | - Julia M Hum
- Division of Biomedical Sciences, College of Osteopathic Medicine, Marian University, Indianapolis, IN, USA
| | - Michael A Kalwat
- Correspondence: Michael A. Kalwat, PhD, Lilly Diabetes Center of Excellence, Indiana Biosciences Research Institute, 1210 Waterway Blvd, Suite 2000, Indianapolis, IN 46202, USA. or
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9
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Zhang Z, Dalan R, Hu Z, Wang JW, Chew NW, Poh KK, Tan RS, Soong TW, Dai Y, Ye L, Chen X. Reactive Oxygen Species Scavenging Nanomedicine for the Treatment of Ischemic Heart Disease. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2202169. [PMID: 35470476 DOI: 10.1002/adma.202202169] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Ischemic heart disease (IHD) is the leading cause of disability and mortality worldwide. Reactive oxygen species (ROS) have been shown to play key roles in the progression of diabetes, hypertension, and hypercholesterolemia, which are independent risk factors that lead to atherosclerosis and the development of IHD. Engineered biomaterial-based nanomedicines are under extensive investigation and exploration, serving as smart and multifunctional nanocarriers for synergistic therapeutic effect. Capitalizing on cell/molecule-targeting drug delivery, nanomedicines present enhanced specificity and safety with favorable pharmacokinetics and pharmacodynamics. Herein, the roles of ROS in both IHD and its risk factors are discussed, highlighting cardiovascular medications that have antioxidant properties, and summarizing the advantages, properties, and recent achievements of nanomedicines that have ROS scavenging capacity for the treatment of diabetes, hypertension, hypercholesterolemia, atherosclerosis, ischemia/reperfusion, and myocardial infarction. Finally, the current challenges of nanomedicines for ROS-scavenging treatment of IHD and possible future directions are discussed from a clinical perspective.
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Affiliation(s)
- Zhan Zhang
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Rinkoo Dalan
- Department of Endocrinology, Tan Tock Seng Hospital, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 408433, Singapore
| | - Zhenyu Hu
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Jiong-Wei Wang
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Department of Diagnostic Radiology and Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Nanomedicine Translational Research Programme, Centre for NanoMedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Nicholas Ws Chew
- Department of Cardiology, National University Heart Centre, National University Hospital, Singapore, 119074, Singapore
| | - Kian-Keong Poh
- Department of Cardiology, National University Heart Centre, National University Hospital, Singapore, 119074, Singapore
| | - Ru-San Tan
- Department of Cardiology, National Heart Centre Singapore, Singapore, 119609, Singapore
| | - Tuck Wah Soong
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Yunlu Dai
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macao, Taipa, Macau SAR, 999078, China
| | - Lei Ye
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Xiaoyuan Chen
- Department of Diagnostic Radiology and Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Nanomedicine Translational Research Programme, Centre for NanoMedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Department of Chemical and Biomolecular Engineering and Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, Singapore, 117597, Singapore
- Clinical Imaging Research Centre, Centre for Translational Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
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10
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El-Sherbiny M, El-Shafey M, Said E, Shaker GA, El-Dosoky M, Ebrahim HA, Abed SY, Ibraheem KM, Mohsen Faheem A, AlMutawa M, Alatawi B, Elsherbiny NM. Dapagliflozin, Liraglutide, and Their Combination Attenuate Diabetes Mellitus-Associated Hepato-Renal Injury—Insight into Oxidative Injury/Inflammation/Apoptosis Modulation. Life (Basel) 2022; 12:life12050764. [PMID: 35629430 PMCID: PMC9144980 DOI: 10.3390/life12050764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/11/2022] [Accepted: 05/18/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, we aim to explore the beneficial therapeutic impacts of dapagliflozin (Dapa), a highly potent, reversible, and selective sodium–glucose cotransporter-2 inhibitor, and liraglutide (Lira), a glucagon-like peptide-1 (GLP-1) receptor agonist, as hypoglycaemic agents for the management of diabetes mellitus (DM), as well as their combination against DM-induced complications, including hepato-renal injury. Indeed, the progression of DM was found to be associated with significant hepatic and renal injury, as confirmed by the elevated biochemical indices of hepatic and renal functions, as well as histopathological examination. Dapa, Lira, and their combination effectively attenuated DM-induced hepatic and renal injury, as confirmed by the recovery of hepatic and renal functional biomarkers. The administration of both drugs significantly reduced the tissue contents of MDA and restored the contents of GSH and catalase activity. Moreover, NF-κB and TNF-α expression at the protein and gene levels was significantly reduced in the liver and the kidney. This was in parallel with the significant reduction in the caspase-3 content in the liver and the kidney, as well as suppressed cleaved caspase-3 expression in the hepatic and renal specimens, as confirmed by immune–histochemical analysis. Notably, the combined Dapa/Lira treatment demonstrated an additive superior hepato-renal protective impact compared with the use of either drug alone. Thus, it appears that Dapa and Lira, through the coordinated modulation of oxidative, inflammatory, and apoptotic signalling, confer a significant hepato-renal protective impact against DM-induced complications and tissue injury.
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Affiliation(s)
- Mohamed El-Sherbiny
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, P.O. Box 71666, Riyadh 11597, Saudi Arabia; (M.E.-S.); (M.A.)
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Mohamed El-Shafey
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
- Physiological Sciences Department, Fakeeh College for Medical Sciences, Jeddah 21461, Saudi Arabia
| | - Eman Said
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt;
- Faculty of Pharmacy, New Mansoura University, New Mansoura 7723730, Egypt
| | - Gehan Ahmed Shaker
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Mohamed El-Dosoky
- Department of Neuroscience Technology, College of Applied Medical Science in Jubail, Imam Abdulrahman Bin Faisal University, Jubail 34221, Saudi Arabia;
| | - Hasnaa Ali Ebrahim
- Department of Basic Medical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Sally Yussef Abed
- Department of Respiratory Care, College of Applied Medical Science in Jubail, Imam Abdulrahman Bin Faisal University, Jubail 35811, Saudi Arabia;
| | - Khalid M. Ibraheem
- Department of Anaesthesia Technology, College of Applied Medical Sciences in Jubail, Imam Abdulrahman Bin Faisal University, Jubail 35811, Saudi Arabia;
| | - Ahmed Mohsen Faheem
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Muntazar AlMutawa
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, P.O. Box 71666, Riyadh 11597, Saudi Arabia; (M.E.-S.); (M.A.)
| | - Bayader Alatawi
- PharmD Program, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Nehal M. Elsherbiny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
- Correspondence:
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11
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Zhang Y, Wang S, Chen X, Wang Z, Wang X, Zhou Q, Fang W, Zheng C. Liraglutide prevents high glucose induced HUVECs dysfunction via inhibition of PINK1/Parkin-dependent mitophagy. Mol Cell Endocrinol 2022; 545:111560. [PMID: 35032624 DOI: 10.1016/j.mce.2022.111560] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/25/2021] [Accepted: 01/11/2022] [Indexed: 01/11/2023]
Abstract
Functional loss of endothelial cells will lead to development and progression of atherosclerosis in diabetic patients. However, dysfunction of endothelial cells in diabetes has yet to be fully understood. We aimed to characterize the potential effects of liraglutide, a glucagon-like peptide-1 (GLP-1) receptor agonist, on preventing high glucose-induced endothelial dysfunction and excessive mitophagic response. Pretreatment with liraglutide prevented downregulation of eNOS phosphorylation and NO secretion, and reduced apoptosis and oxidative stress of the human umbilical vein endothelial cells (HUVECs) exposed to high glucose. We further demonstrated that liraglutide likely mediated such protective effects by reducing PINK1/Parkin mediated mitophagy. Liraglutide markedly decreased high glucose-induced mitochondrial ROS, lessened PINK1 expression and mitochondrial accumulation of Parkin, but recovered SIRT1 expression. Seahorse analysis revealed that liraglutide mitigated high glucose-induced reduction of basal and maximum respiration rates as well as spare respiration capacity. Inhibition of Parkin by RNA silencing not only resulted in increased mitochondrial and cytosolic ROS and reduced mitochondrial mass and mitochondrial membrane potential, but also led to increased apoptotic responses in high glucose treated HUVECs which were not preventable by liraglutide. Together, our study reveals that liraglutide acts upstream of the PINK1/Parkin pathway to effectively counteract high glucose induced cell dysfunction by suppression of the PINK1/Parkin-dependent mitophagy. Therefore, its use as an adjunct therapy for type 2 diabetes mellitus is warranted to reduce the risk of atherosclerosis. Further research is required to examine the exact molecules, including SIRT1, upstream of the PINK1/parkin pathway that liraglutide targets to maintain the mitochondrial homeostasis.
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Affiliation(s)
- Yikai Zhang
- Department of Endocrinology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Shengyao Wang
- Department of Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Xia Chen
- Department of Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Zhe Wang
- Department of Endocrinology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Xinyi Wang
- Department of Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Qiao Zhou
- Department of Endocrinology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Weihuan Fang
- Institute of Preventive Veterinary Medicine & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Chao Zheng
- Department of Endocrinology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China; Department of Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China.
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12
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Kilanowska A, Ziółkowska A. Apoptosis in Type 2 Diabetes: Can It Be Prevented? Hippo Pathway Prospects. Int J Mol Sci 2022; 23:636. [PMID: 35054822 PMCID: PMC8775644 DOI: 10.3390/ijms23020636] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 01/05/2022] [Indexed: 02/04/2023] Open
Abstract
Diabetes mellitus is a heterogeneous disease of complex etiology and pathogenesis. Hyperglycemia leads to many serious complications, but also directly initiates the process of β cell apoptosis. A potential strategy for the preservation of pancreatic β cells in diabetes may be to inhibit the implementation of pro-apoptotic pathways or to enhance the action of pancreatic protective factors. The Hippo signaling pathway is proposed and selected as a target to manipulate the activity of its core proteins in therapy-basic research. MST1 and LATS2, as major upstream signaling kinases of the Hippo pathway, are considered as target candidates for pharmacologically induced tissue regeneration and inhibition of apoptosis. Manipulating the activity of components of the Hippo pathway offers a wide range of possibilities, and thus is a potential tool in the treatment of diabetes and the regeneration of β cells. Therefore, it is important to fully understand the processes involved in apoptosis in diabetic states and completely characterize the role of this pathway in diabetes. Therapy consisting of slowing down or stopping the mechanisms of apoptosis may be an important direction of diabetes treatment in the future.
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Affiliation(s)
- Agnieszka Kilanowska
- Department of Anatomy and Histology, Collegium Medicum, University of Zielona Gora, Zyty 28, 65-001 Zielona Gora, Poland;
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13
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Newsholme P, Rowlands J, Rose’Meyer R, Cruzat V. Metabolic Adaptions/Reprogramming in Islet Beta-Cells in Response to Physiological Stimulators—What Are the Consequences. Antioxidants (Basel) 2022; 11:antiox11010108. [PMID: 35052612 PMCID: PMC8773416 DOI: 10.3390/antiox11010108] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 12/25/2022] Open
Abstract
Irreversible pancreatic β-cell damage may be a result of chronic exposure to supraphysiological glucose or lipid concentrations or chronic exposure to therapeutic anti-diabetic drugs. The β-cells are able to respond to blood glucose in a narrow concentration range and release insulin in response, following activation of metabolic pathways such as glycolysis and the TCA cycle. The β-cell cannot protect itself from glucose toxicity by blocking glucose uptake, but indeed relies on alternative metabolic protection mechanisms to avoid dysfunction and death. Alteration of normal metabolic pathway function occurs as a counter regulatory response to high nutrient, inflammatory factor, hormone or therapeutic drug concentrations. Metabolic reprogramming is a term widely used to describe a change in regulation of various metabolic enzymes and transporters, usually associated with cell growth and proliferation and may involve reshaping epigenetic responses, in particular the acetylation and methylation of histone proteins and DNA. Other metabolic modifications such as Malonylation, Succinylation, Hydroxybutyrylation, ADP-ribosylation, and Lactylation, may impact regulatory processes, many of which need to be investigated in detail to contribute to current advances in metabolism. By describing multiple mechanisms of metabolic adaption that are available to the β-cell across its lifespan, we hope to identify sites for metabolic reprogramming mechanisms, most of which are incompletely described or understood. Many of these mechanisms are related to prominent antioxidant responses. Here, we have attempted to describe the key β-cell metabolic adaptions and changes which are required for survival and function in various physiological, pathological and pharmacological conditions.
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Affiliation(s)
- Philip Newsholme
- Curtin Medical School and CHIRI, Curtin University, Perth, WA 6845, Australia
- Correspondence: (P.N.); (J.R.)
| | - Jordan Rowlands
- Curtin Medical School and CHIRI, Curtin University, Perth, WA 6845, Australia
- Correspondence: (P.N.); (J.R.)
| | - Roselyn Rose’Meyer
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast, QLD 4222, Australia;
| | - Vinicius Cruzat
- Faculty of Health, Torrens University Australia, Brisbane, QLD 4006, Australia;
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14
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Gao F, Wu D, Guo L, Wang L, Hao M, Li L, Ni D, Hao H. Liraglutide inhibits the progression of prediabetes in rats by reducing Raf-1 kinase inhibitor protein. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1157. [PMID: 34430598 PMCID: PMC8350642 DOI: 10.21037/atm-21-3094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/14/2021] [Indexed: 11/29/2022]
Abstract
Background The cleavage product of Raf-1 kinase inhibitor protein (RKIP), hippocampal cholinergic neurostimulating peptide (HCNP) is involved in the promotion of insulin secretion. Studies have shown that liraglutide can inhibit the progression of prediabetes. This study aims to investigate whether the above effects of liraglutide are related to RKIP and HCNP. Methods Insulin-1 (INS-1) cells were divided into control group (CON), HCNP group, and HCNP + darifenacin group (H-DAR). The three groups were cultured with Roswell Park Memorial Institute (RPMI) 1640, synthetic HCNP (50 pg/mL) and RPMI 1640, and HCNP + RPMI 1640 + darifenacin respectively. Subsequently, twelve 12- to 14-week-old Otsuka Long-Evans Tokushima Fatty (OLETF) rats were randomly divided into 2 groups: the placebo group (PBO) and the liraglutide treatment group (LIRA). Six Long Evans Tokushima Otsuka (LETO) rats were used as the control group (CON). The LIRA group was given liraglutide 200 µg/kg intraperitoneally twice a day. After 12 weeks, body weight, fasting blood glucose, 2 hours postprandial blood glucose, and insulin resistance index were recorded. Western blot was used to detect expression level of C-RKIP, N-RKIP, and extracellular signal-regulated kinase of phosphorylation (p-ERK). Real-time quantitative polymerase chain reaction (qRT-PCR) to detect pancreatic tissue choline acetyltransferase (ChAT) and M3 cholinergic receptor (M3R) gene expression levels. Results At glucose concentrations of 5.6 and 16.7 mmol/L, the insulin content in the HCNP group was higher than that in the CON and H-DAR groups (all P<0.01). The body weight and fasting serum insulin (FINS) of rats in the PBO group were higher than those in the LIRA group and the CON group (P<0.01). The relative content of C-RKIP protein in the PBO group was higher than that in the LIRA and CON groups (P<0.01). The relative content of N-RKIP protein and p-ERK protein was lower than that in the LIRA and CON group (P<0.05 and P<0.01, respectively). ChAT and M3R gene expression levels in PBO group were lower than those in LIRA and CON group (P<0.01). Conclusions Liraglutide promotes the production of HCNP, can increase ChAT activity, activate M3R, and further promote the secretion of insulin.
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Affiliation(s)
- Fei Gao
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Dingying Wu
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Lingling Guo
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Lixue Wang
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Min Hao
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Ling Li
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Dongmei Ni
- Department of Endocrinology, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Haojie Hao
- Beijing Hengfeng Mingcheng Biotechnology Co., Ltd., Beijing, China
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15
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Wang W, Zhang C. Targeting β-cell dedifferentiation and transdifferentiation: opportunities and challenges. Endocr Connect 2021; 10:R213-R228. [PMID: 34289444 PMCID: PMC8428079 DOI: 10.1530/ec-21-0260] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/21/2021] [Indexed: 12/02/2022]
Abstract
The most distinctive pathological characteristics of diabetes mellitus induced by various stressors or immune-mediated injuries are reductions of pancreatic islet β-cell populations and activity. Existing treatment strategies cannot slow disease progression; consequently, research to genetically engineer β-cell mimetics through bi-directional plasticity is ongoing. The current consensus implicates β-cell dedifferentiation as the primary etiology of reduced β-cell mass and activity. This review aims to summarize the etiology and proposed mechanisms of β-cell dedifferentiation and to explore the possibility that there might be a time interval from the onset of β-cell dysfunction caused by dedifferentiation to the development of diabetes, which may offer a therapeutic window to reduce β-cell injury and to stabilize functionality. In addition, to investigate β-cell plasticity, we review strategies for β-cell regeneration utilizing genetic programming, small molecules, cytokines, and bioengineering to transdifferentiate other cell types into β-cells; the development of biomimetic acellular constructs to generate fully functional β-cell-mimetics. However, the maturation of regenerated β-cells is currently limited. Further studies are needed to develop simple and efficient reprogramming methods for assembling perfectly functional β-cells. Future investigations are necessary to transform diabetes into a potentially curable disease.
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Affiliation(s)
- Wenrui Wang
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, People’s Republic of China
| | - Chuan Zhang
- Department of Endocrinology, The Second Hospital of Jilin University, Changchun, People’s Republic of China
- Correspondence should be addressed to C Zhang:
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16
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Zhang C, Chen S, Li Q, Wu J, Qiu F, Chen Z, Sun Y, Luo J, Bastarrachea RA, Grayburn PA, DeFronzo RA, Liu Y, Qian K, Huang P. Ultrasound-Targeted Microbubble Destruction Mediates Gene Transfection for Beta-Cell Regeneration and Glucose Regulation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2008177. [PMID: 34185956 DOI: 10.1002/smll.202008177] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 05/30/2021] [Indexed: 06/13/2023]
Abstract
Ultrasound-targeted microbubble destruction (UTMD) mediates gene transfection with high biosafety and thus has been promising toward treatment of type 1 diabetes. However, the potential application of UTMD in type 2 diabetes (T2D) is still limited, due to the lack of systematic design and dynamic monitoring. Herein, an efficient gene delivery system is constructed by plasmid deoxyribonucleic acid (DNA) encoding glucagon-like peptide 1 (GLP-1) in ultrasound-induced microbubbles, toward treatment of T2D in macaque. The as designed UTMD afforded enhancement of cell membrane penetration and GLP-1 expression in macaque, which is characterized by ultrasound-guided biopsy to monitor the dynamic process of islet cells for 6 months. Also, improvement of pancreatic beta cell regeneration, and regulation of plasma glucose in macaque with T2D is achieved. The approach would serve as promising alternatives for the treatment of T2D.
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Affiliation(s)
- Chao Zhang
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | - Shuyuan Chen
- Department of Internal Medicine, UT Southwestern medical center at Dallas, Dallas, TX, 75390, USA
| | - Qunying Li
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | - Jiao Wu
- School of Biomedical Engineering, Institute of Medical Robotics and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Fuqiang Qiu
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | - Zhiyi Chen
- Department of Ultrasound Medicine, Laboratory of Ultrasound Molecular Imaging, The Third Affiliated Hospital of Guangzhou Medical University, Guangdong, 510000, China
| | - Yang Sun
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | - Jieli Luo
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | | | - Paul A Grayburn
- Department of Internal Medicine, Division of Cardiology, Baylor Heart and Vascular Institute, Baylor University Medical Center, 621 N. Hall St, Suite H030, Dallas, Texas, 75226, USA
| | - Ralph A DeFronzo
- Department of Medicine, Division of Diabetes, University of Texas Health Science Center and Texas Diabetes Institute, University Health System, San Antonio, TX, 78229, USA
| | - Yajing Liu
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
| | - Kun Qian
- School of Biomedical Engineering, Institute of Medical Robotics and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Pintong Huang
- Department of Ultrasound and Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, China
- Department of Ultrasound in Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
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Tseng YT, Chen M, Lai R, Oieni F, Smyth G, Anoopkumar-Dukie S, St John J, Ekberg J. Liraglutide modulates olfactory ensheathing cell migration with activation of ERK and alteration of the extracellular matrix. Biomed Pharmacother 2021; 141:111819. [PMID: 34126351 DOI: 10.1016/j.biopha.2021.111819] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/31/2021] [Accepted: 06/07/2021] [Indexed: 02/07/2023] Open
Abstract
Transplantation of olfactory ensheathing cells (OECs) is a promising approach for repairing the injured nervous system that has been extensively trialed for nervous system repair. However, the method still needs improvement and optimization. One avenue of improving outcomes is to stimulate OEC migration into the injury site. Liraglutide is a glucagon-like peptide-1 receptor agonist used for management of diabetes and obesity. It has been shown to be neuroprotective and to promote cell migration, but whether it can stimulate glial cells remains unknown. In the current study, we investigated the effects of liraglutide on OEC migration and explored the involved mechanisms. We showed that liraglutide at low concentration (100 nM) overall promoted OEC migration over time. Liraglutide modulated the migratory behavior of OECs by reducing time in arrest, and promoted random rather than straight migration. Liraglutide also induced a morphological change of primary OECs towards a bipolar shape consistent with improved migration. We found that liraglutide activated extracellular signal-regulated kinase (ERK), which has key roles in cell migration; the timing of ERK activation correlated with stimulation of migration. Furthermore, liraglutide also modulated the extracellular matrix by upregulating laminin-1 and down-regulating collagen IV. In summary, we found that liraglutide can stimulate OEC migration and re-model the extracellular matrix to better promote cell migration, and possibly also to become more conducive for axonal regeneration. Thus, liraglutide may improve OEC transplantation outcomes.
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Affiliation(s)
- Yu-Ting Tseng
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia
| | - Mo Chen
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia
| | - Richard Lai
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia
| | - Francesca Oieni
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia
| | - Graham Smyth
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia
| | | | - James St John
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia; Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
| | - Jenny Ekberg
- Menzies Health Institute Queensland, Griffith University, Southport, QLD 4222, Australia; Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Brisbane, QLD 4111, Australia; School of Pharmacy and Medical Sciences, Griffith University, Southport, QLD 4222, Australia; Griffith Institute for Drug Discovery, Griffith University, Brisbane, QLD 4111, Australia.
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18
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Mechanisms of Beta-Cell Apoptosis in Type 2 Diabetes-Prone Situations and Potential Protection by GLP-1-Based Therapies. Int J Mol Sci 2021; 22:ijms22105303. [PMID: 34069914 PMCID: PMC8157542 DOI: 10.3390/ijms22105303] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 12/22/2022] Open
Abstract
Type 2 diabetes (T2D) is characterized by chronic hyperglycemia secondary to the decline of functional beta-cells and is usually accompanied by a reduced sensitivity to insulin. Whereas altered beta-cell function plays a key role in T2D onset, a decreased beta-cell mass was also reported to contribute to the pathophysiology of this metabolic disease. The decreased beta-cell mass in T2D is, at least in part, attributed to beta-cell apoptosis that is triggered by diabetogenic situations such as amyloid deposits, lipotoxicity and glucotoxicity. In this review, we discussed the molecular mechanisms involved in pancreatic beta-cell apoptosis under such diabetes-prone situations. Finally, we considered the molecular signaling pathways recruited by glucagon-like peptide-1-based therapies to potentially protect beta-cells from death under diabetogenic situations.
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19
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Eguchi N, Vaziri ND, Dafoe DC, Ichii H. The Role of Oxidative Stress in Pancreatic β Cell Dysfunction in Diabetes. Int J Mol Sci 2021; 22:ijms22041509. [PMID: 33546200 PMCID: PMC7913369 DOI: 10.3390/ijms22041509] [Citation(s) in RCA: 114] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 02/07/2023] Open
Abstract
Diabetes is a chronic metabolic disorder characterized by inappropriately elevated glucose levels as a result of impaired pancreatic β cell function and insulin resistance. Extensive studies have been conducted to elucidate the mechanism involved in the development of β cell failure and death under diabetic conditions such as hyperglycemia, hyperlipidemia, and inflammation. Of the plethora of proposed mechanisms, endoplasmic reticulum (ER) stress, mitochondrial dysfunction, and oxidative stress have been shown to play a central role in promoting β cell dysfunction. It has become more evident in recent years that these 3 factors are closely interrelated and importantly aggravate each other. Oxidative stress in particular is of great interest to β cell health and survival as it has been shown that β cells exhibit lower antioxidative capacity. Therefore, this review will focus on discussing factors that contribute to the development of oxidative stress in pancreatic β cells and explore the downstream effects of oxidative stress on β cell function and health. Furthermore, antioxidative capacity of β cells to counteract these effects will be discussed along with new approaches focused on preserving β cells under oxidative conditions.
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Affiliation(s)
- Natsuki Eguchi
- Department of Surgery, University of California, Irvine, CA 92697, USA; (N.E.); (D.C.D.)
| | | | - Donald C. Dafoe
- Department of Surgery, University of California, Irvine, CA 92697, USA; (N.E.); (D.C.D.)
| | - Hirohito Ichii
- Department of Surgery, University of California, Irvine, CA 92697, USA; (N.E.); (D.C.D.)
- Correspondence: ; Tel.: +1-714-456-8590
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20
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Antidiabetic effects of novel ellagic acid nanoformulation: Insulin-secreting and anti-apoptosis effects. Saudi J Biol Sci 2020; 27:3474-3480. [PMID: 33304158 PMCID: PMC7715050 DOI: 10.1016/j.sjbs.2020.09.060] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/18/2022] Open
Abstract
Antioxidants are one of the effective treatment lines in managing type 2 diabetes (typ2diab) and its complications. Nanoformulations could help in ameliorating the oral bioavailability and biocompatibility properties. Ellagic acid (Ella) is a natural antioxidant compound commonly present in fruits. This study examined the effect Ella nanoparticles (Ella NPs) alone and combined with metformin, the standard antidiabetic drug, on controlling blood glucose in typ2diab. Forty-eight adult Sprague-Dawley rats were used in this study. Except for the control group that was fed a regular pellet diet, all animals were fed a high-fat diet (HFD) for 9 weeks. For the last 4 weeks, rats were injected with streptozotocin (35 mg/kg). Then the rats were randomized into 8 groups: control, HFD, diabetic, Ella, Ella + metformin, Ella NPs, and Ella NPs + metformin. Data showed that Ella NPs improved blood glucose levels and the body weights of diabetic rats throughout all the weeks of the experiment whereas effects of the regular Ella were limited to the last two weeks of the treatment. Additionally, data demonstrated that the antidiabetic action of Ella NPs and its effective duration were similar to metformin. Ella NPs led to a lowering effect on lipid profile markers (total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), and very-low-density lipoprotein (VLDL)), superior to the regular Ella, which reduced only TG and VLDL. Results of the pathological examination showed improved number and activity of beta islets in all treatment groups. The most enhanced islets were in the Ella NPs and metformin group. The different treatments decreased caspase 3 and increased insulin gene expression, and the effect was superior in the Ella NPs and metformin group. The results of this study confirmed that Ella could manage typ2diab by lowering glucose and lipid levels and improving body weight with the superiority of Ella NPs. The mechanisms behind these effects are inhibition of beta-cell apoptosis and stimulation of insulin production.
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21
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Giglio RV, Nikolic D, Volti GL, Stoian AP, Banerjee Y, Magan-Fernandez A, Castellino G, Patti AM, Chianetta R, Castracani CC, Montalto G, Rizvi AA, Sesti G, Rizzo M. Liraglutide Increases Serum Levels of MicroRNA-27b, -130a and -210 in Patients with Type 2 Diabetes Mellitus: A Novel Epigenetic Effect. Metabolites 2020; 10:metabo10100391. [PMID: 33008044 PMCID: PMC7599907 DOI: 10.3390/metabo10100391] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 12/15/2022] Open
Abstract
Liraglutide has shown favourable effects on several cardiometabolic risk factors, beyond glucose control. MicroRNAs (miRNAs) regulate gene expression, resulting in post-transcriptional modifications of cell response and function. Specific miRNAs, including miRNA-27b, miRNA-130a, and miRNA-210, play a role in cardiometabolic disease. We aimed to determine the effect of liraglutide on the serum levels of miRNA-27b, miRNA-130a and miRNA-210. Twenty-five subjects with type-2 diabetes mellitus (T2DM), naïve to incretin-based therapy, were treated with liraglutide (1.2 mg/day as an add-on to metformin) for 4 months. miRNAs were quantified using real-time polymerase chain reaction. After liraglutide treatment, we found significant reductions in fasting glucose (from 9.8 ± 5.3 to 6.7 ± 1.6 mmol/L, p = 0.0042), glycosylated haemoglobin (HbA1c) (from 8.1 ± 0.8 to 6.6 ± 1.0%, p = 0.0008), total cholesterol (from 5.0 ± 1.0 to 4.0 ± 0.7 mmol/L, p = 0.0011), triglycerides (from 1.9 ± 1.0 to 1.5 ± 0.8 mmol/L, p = 0.0104) and low-density lipoprotein cholesterol (from 2.9 ± 1.2 to 2.2 ± 0.6 mmol/L, p = 0.0125), while the serum levels of miRNA-27b, miRNA-130a and miRNA-210a were significantly increased (median (interquartile range, IQR) changes: 1.73 (7.12) (p = 0.0401), 1.91 (3.64) (p = 0.0401) and 2.09 (11.0) (p = 0.0486), respectively). Since the changes in miRNAs were independent of changes in all the metabolic parameters investigated, liraglutide seems to exert a direct epigenetic effect in T2DM patients, regulating microRNAs involved in the maintenance of endothelial cell homeostasis. These changes might be implicated in liraglutide’s benefits and may represent useful targets for cardiometabolic management.
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Affiliation(s)
- Rosaria Vincenza Giglio
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Dragana Nikolic
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.L.V.); (C.C.C.)
| | - Anca Pantea Stoian
- Department of Diabetes, Nutrition and Metabolic Diseases, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania;
| | - Yajnavalka Banerjee
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, UAE;
| | - Antonio Magan-Fernandez
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Giuseppa Castellino
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Angelo Maria Patti
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Roberta Chianetta
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Carlo Castruccio Castracani
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (G.L.V.); (C.C.C.)
| | - Giuseppe Montalto
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
| | - Ali A. Rizvi
- Division of Endocrinology, Diabetes and Metabolism, University of South Carolina School of Medicine, Columbia, SC 29203, USA
- Division of Endocrinology, Metabolism, and Lipids Emory University School of Medicine, Atlanta, GA 30322, USA
- Correspondence: ; Tel.: +1-(404)-778-2064
| | - Giorgio Sesti
- Department of Clinical and Molecular Medicine, University of Rome La Sapienza, 00182 Rome, Italy;
| | - Manfredi Rizzo
- Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy; (R.V.G.); (D.N.); (A.M.-F.); (G.C.); (A.M.P.); (R.C.); (G.M.); (M.R.)
- Division of Endocrinology, Diabetes and Metabolism, University of South Carolina School of Medicine, Columbia, SC 29203, USA
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22
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Direct suppression of human islet dedifferentiation, progenitor genes, but not epithelial to mesenchymal transition by liraglutide. Heliyon 2020; 6:e04951. [PMID: 32995630 PMCID: PMC7501427 DOI: 10.1016/j.heliyon.2020.e04951] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 04/03/2020] [Accepted: 09/11/2020] [Indexed: 12/16/2022] Open
Abstract
β-cell dedifferentiation has been accounted as one of the major mechanisms for β-cell failure; thus, is a cause to diabetes. We study direct impacts of liraglutide treatment on ex vivo human dedifferentiated islets, and its effects on genes important in endocrine function, progenitor states, and epithelial mesenchymal transition (EMT). Human islets from non-diabetic donors, were purified and incubated until day 1 and day 4, and were determined insulin contents, numbers of insulin (INS+) and glucagon (GCG+) cells. The islets from day 3 to day 7 were treated with diabetic drugs, the long acting GLP-1 receptor agonist, liraglutide. As observed in pancreatic islets of type 2 diabetic patients, ex vivo dedifferentiated islets showed more than 50% reduced insulin contents while number of glucagon increased from 10% to about 20%. β-cell specific genes: PDX1, MAFA, as well as β-cell functional markers: GLUT1 and SUR1, were significantly depleted more than 40%. Notably, we found increased levels of glucagon regulator, ARX and pre-glucagon transcripts, and remarkably upregulated progenitor expressions: NEUROG3 and ALDH1A identified as β-cell dysfunction markers in diabetic models. Hyperglucagonemia was often observed in type 2 patients that could lead to over production of gluconeogenesis by the liver. Liraglutide treatments resulted in decreased number of GCG+ cells, increased numbers of GLP-1 positive cells but did not alter elevated levels of EMT marker genes: ACTA2, CDH-2, SNAIL2, and VIM. These effects of liraglutide were blunted when FOXO1 transcripts were depleted. This work illustrates that ex vivo human isolated islets can be used as a tool to study different aspects of β-cell dedifferentiation. Our novel finding suggests a role of GLP-1 pathway in beta-cell maintenance in FOXO1-dependent manner. Importantly, dedifferentiated islets ex vivo is a useful model that can be utilized to verify the actions of potential drugs to diabetic β-cell failure.
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Terakawa A, Chujo D, Yasuda K, Ueno K, Nakamura T, Hamano S, Ohsugi M, Tanabe A, Ueki K, Kajio H. Maturity-Onset diabetes of the young type 5 treated with the glucagon-like peptide-1 receptor agonist: A case report. Medicine (Baltimore) 2020; 99:e21939. [PMID: 32871938 PMCID: PMC7458169 DOI: 10.1097/md.0000000000021939] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
RATIONALE Maturity-onset diabetes of the young type 5 (MODY 5) is a form of monogenic diabetes that is often accompanied by pancreatic dysfunction. To date, no cases of MODY 5 treated with glucagon-like peptide-1 receptor agonist (GLP-1RA) have been reported. We present the first case of MODY 5 treated with GLP-1RA. PATIENT CONCERNS A 17-year-old woman, with a history of being operated for congenital ileal atresia at birth, was admitted to our hospital due to hyperglycemia. She had been clinically diagnosed with type 1 diabetes 1 month prior, and administered 14 units of insulin glargine 300 U/mL per day. DIAGNOSIS She had hypopotassemia, hypomagnesaemia, pancreatic body, and tail defects, multiple renal cysts, and a family history of diabetes, and urogenital anomaly. Genetic testing revealed heterozygous deletion of hepatocyte nuclear transcription factor-1 beta, leading to the diagnosis of MODY 5. INTERVENTIONS The patient was treated with multiple daily insulin injections for 9 days (22 units/d) before administration of GLP-1RA, and then liraglutide was initiated. OUTCOMES Liraglutide treatment (0.6 mg/d) alone maintained the patient's glycated hemoglobin level below 7.0% for at least 12 months after discharge. A higher dose, 0.9 mg/d, of liraglutide was not tolerated by the patient due to nausea. Serum levels of C-peptide immunoreactivity were 1.15 ng/mL and 1.91 ng/mL, respectively, after 6 and 12 months of liraglutide therapy. LESSONS GLP-1RA might be effective at regulating glucose metabolism by utilizing residual pancreatic endocrine function in patients with MODY 5. Imaging and genetic screening were helpful in the diagnosis of MODY 5.
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Affiliation(s)
- Aiko Terakawa
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
| | - Daisuke Chujo
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
- Center for Clinical Research, Toyama University Hospital, Toyama
| | - Kazuki Yasuda
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
- Department of Diabetes, Endocrinology and Metabolism, Kyorin University, Mitaka
| | - Keisuke Ueno
- Department of Diabetes and Endocrinology, Tokyo Shinjuku Medical Center
| | - Tomoka Nakamura
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
| | - Shoko Hamano
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
- Mishuku Hospital, Tokyo, Japan
| | - Mitsuru Ohsugi
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
| | - Akiyo Tanabe
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
| | - Kohjiro Ueki
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
| | - Hiroshi Kajio
- Department of Diabetes, Endocrinology and Metabolism, Center Hospital, National Center for Global Health and Medicine, Tokyo
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24
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Cheng Y, Hu Q, Zhou J. Silencing of lncRNA PVT1 ameliorates streptozotocin-induced pancreatic β cell injury and enhances insulin secretory capacity by regulating miR-181a-5p. Can J Physiol Pharmacol 2020; 99:303-312. [PMID: 32758099 DOI: 10.1139/cjpp-2020-0268] [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] [Indexed: 12/16/2022]
Abstract
Diabetes mellitus (DM) is a type of metabolic disorder characterized by long-term hyperglycemia. Accumulating evidence shows that long noncoding RNAs (lncRNAs) play significant roles in the occurrence and development of DM. This study intended to investigate the role of lncRNA plasmacytoma variant translocation 1 (PVT1) in rat insulinoma (INS-1) cells damaged by streptozotocin (STZ) and to identify the potential mechanisms. Firstly, PVT1 expression in INS-1 cells was assessed using RT-qPCR after STZ stimulation. After PVT1-knockdown, cell apoptosis, the contents of oxidative stress related markers, and changes in insulin secretion were detected. Results indicated that PVT1 was remarkably upregulated after STZ stimulation. PVT1-knockdown inhibited STZ-induced oxidative stress and apoptosis of INS-1 cells. Moreover, the insulin secretory capacity was notably elevated following PVT1 silencing. Subsequently, a luciferase reporter assay verified that miR-181a-5p was directly targeted by PVT1. The rescue assays revealed that miR-181a-5p inhibitor dramatically abrogated the effects of PVT1 silencing on oxidative stress, apoptosis, and insulin secretion. Taken together, these findings demonstrated that PVT1-knockdown could ameliorate STZ-induced oxidative stress and apoptosis and elevate insulin secretory capacity in pancreatic β cells by regulating miR-181a-5p, suggesting a promising biomarker in DM diagnosis and treatment.
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Affiliation(s)
- Yinqin Cheng
- Department of Endocrinology, The Second People's Hospital of Nantong City, Nantong City, Jiangsu Province, 226002, China
| | - Qiaosheng Hu
- Department of Endocrinology, Lianshui County People's Hospital, Huaian City, Jiangsu Province, 223400, China
| | - Jie Zhou
- Department of Endocrinology, Liyang People's Hospital, Changzhou City, Jiangsu Province, 213300, China
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25
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Tomas A, Jones B, Leech C. New Insights into Beta-Cell GLP-1 Receptor and cAMP Signaling. J Mol Biol 2019; 432:1347-1366. [PMID: 31446075 DOI: 10.1016/j.jmb.2019.08.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 08/06/2019] [Accepted: 08/13/2019] [Indexed: 12/14/2022]
Abstract
Harnessing the translational potential of the GLP-1/GLP-1R system in pancreatic beta cells has led to the development of established GLP-1R-based therapies for the long-term preservation of beta cell function. In this review, we discuss recent advances in the current research on the GLP-1/GLP-1R system in beta cells, including the regulation of signaling by endocytic trafficking as well as the application of concepts such as signal bias, allosteric modulation, dual agonism, polymorphic receptor variants, spatial compartmentalization of cAMP signaling and new downstream signaling targets involved in the control of beta cell function.
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Affiliation(s)
- Alejandra Tomas
- Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, W12 0NN, UK.
| | - Ben Jones
- Section of Investigative Medicine, Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, W12 0NN, UK
| | - Colin Leech
- Department of Surgery, State University of New York, Upstate Medical University, Syracuse, NY, 13210, USA
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