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Lee JA, Gu MJ, Lee YR, Kim Y, Choi I, Kim D, Ha SK. Lindera obtusiloba Blume Alleviates Non-Alcoholic Fatty Liver Disease Promoted by N ε-(carboxymethyl)lysine. Nutrients 2024; 16:2330. [PMID: 39064772 PMCID: PMC11280000 DOI: 10.3390/nu16142330] [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: 06/27/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a major issue because it is closely associated with metabolic diseases. Advanced glycation end products (AGEs) are implicated as risk factors for steatosis during NAFLD progression. AGEs influence NAFLD progression through a receptor-independent pathway involving AGE cross-link formation and a receptor-dependent pathway that binds to receptors like receptors for advanced glycation end products (RAGE). The objectives of this study are to examine the effect of Lindera obtusiloba Blume (LO) on NAFLD promoted by Nε-(carboxymethyl)lysine (CML), one of the most common dietary AGEs. The anti-glycation effects of LO were evaluated by inhibiting the AGEs formation and AGEs-collagen cross-links breaking. The efficacy of LO against NAFLD promoted by CML was assessed using both in vitro and in vivo models. NAFLD was induced in mice by feeding a high-fat diet and orally administering CML over a period of 12 weeks, and the effects of LO on lipid metabolism and its regulatory mechanisms were investigated. LO showed the effect of inhibited AGEs formation and breakage, and collagen cross-linking. Fed a high-fat diet with administered CML by gavage, LO administration resulted in a reduction in body weight, fat mass, serum triglycerides, total cholesterol, and low-density lipoprotein cholesterol levels. LO reduced hepatic CML accumulation and RAGE expression in mice fed a high-fat diet and orally administered CML. LO alleviated hepatic steatosis accompanied by lipid accumulation and histological damage by suppressing the expression of sterol regulatory element-binding protein 1c, carbohydrate response element binding protein, fatty acid synthase, stearoyl-CoA desaturase1, tumor necrosis factor-α, and interleukin-1β. LO alleviated the MAPK/NF-κB expression by attenuating CML and RAGE expression. Taken together, our results demonstrate that LO alleviates the progression of NAFLD by lowering the levels of AGEs by downregulating CML/RAGE expression.
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Affiliation(s)
- Jin-Ah Lee
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Min Ji Gu
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Yu Ra Lee
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Yoonsook Kim
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Inwook Choi
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Donghwan Kim
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
| | - Sang Keun Ha
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun 55365, Republic of Korea; (J.-A.L.); (M.J.G.); (Y.R.L.); (Y.K.); (I.C.)
- Division of Food Biotechnology, University of Science and Technology, Daejeon 34113, Republic of Korea
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Chang LL, Wu YM, Wang HC, Tseng KY, Wang YH, Lu YM, Cheng KI. Cilostazol Ameliorates Motor Dysfunction and Schwann Cell Impairment in Streptozotocin-Induced Diabetic Rats. Int J Mol Sci 2024; 25:7847. [PMID: 39063088 PMCID: PMC11277457 DOI: 10.3390/ijms25147847] [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: 06/18/2024] [Revised: 07/09/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
This study investigated the effects of cilostazol on motor dysfunction, spinal motor neuron abnormalities, and schwannopathy in rats with diabetes. Diabetes mellitus (DM) was induced in rats via femoral intravenous streptozotocin (STZ) injection (60 mg/kg). After successful DM induction, cilostazol was administered on day 15 via oral gavage (100 mg/kg/day) for 6 weeks until sacrifice. Behavioral assays, including motor function, were performed weekly. The sciatic nerve, L5 spinal cord, and spinal ventral root were collected to evaluate the expression of the glial fibrillary acidic protein (GFAP), myelin protein zero (P0), and choline acetyltransferase (ChAT) by immunofluorescence and Western blotting. DM rats displayed decreased running speeds, running distances, and toe spread but increased foot pressure. In addition, loss of non-myelinating Schwann cells and myelin sheaths was observed in the sciatic nerve and L5 spinal ventral root. Reduced numbers of motor neurons were also found in the L5 spinal ventral horn. Cilostazol administration significantly potentiated running speed and distance; increased hind paw toe spread; and decreased foot pressure. In the sciatic nerve and L5 spinal ventral root, cilostazol treatment significantly improved non-myelinated Schwann cells and increased myelin mass. ChAT expression in motor neurons in the spinal ventral horn was improved, but not significantly. Cilostazol administration may protect sensorimotor function in diabetic rats.
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Affiliation(s)
- Lin-Li Chang
- Department of Microbiology and Immunology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
| | - Yu-Ming Wu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
| | - Hung-Chen Wang
- Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan;
| | - Kuang-Yi Tseng
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
| | - Yi-Hsuan Wang
- Department of Microbiology and Immunology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
| | - Yen-Mou Lu
- Division of Pediatric and Spinal Orthopedics, Department of Orthopaedics, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan;
| | - Kuang-I Cheng
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807378, Taiwan;
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung 807378, Taiwan
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3
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Li J, Lan T, Guo Q, Zhang C, Lu X, Hu X, Shen X, Zhang Y. Mitochondria-Targeted Natural Antioxidant Nanosystem for Diabetic Vascular Calcification Therapy. Biomacromolecules 2024; 25:4329-4343. [PMID: 38833553 DOI: 10.1021/acs.biomac.4c00375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
The development of nanotherapy targeting mitochondria to alleviate oxidative stress is a critical therapeutic strategy for vascular calcification (VC) in diabetes. In this study, we engineered mitochondria-targeted nanodrugs (T4O@TPP/PEG-PLGA) utilizing terpinen-4-ol (T4O) as a natural antioxidant and mitochondrial protector, PEG-PLGA as the nanocarrier, and triphenylphosphine (TPP) as the mitochondrial targeting ligand. In vitro assessments demonstrated enhanced cellular uptake of T4O@TPP/PEG-PLGA, with effective mitochondrial targeting. This nanodrug successfully reduced oxidative stress induced by high glucose levels in vascular smooth muscle cells. In vivo studies showed prolonged retention of the nanomaterials in the thoracic aorta for up to 24 h. Importantly, experiments in diabetic VC models underscored the potent antioxidant properties of T4O@TPP/PEG-PLGA, as evidenced by its ability to mitigate VC and restore mitochondrial morphology. These results suggest that these nanodrugs could be a promising strategy for managing diabetic VC.
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Affiliation(s)
- Jinjin Li
- The Department of Pharmacology, School of Basic Medical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Tianyu Lan
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- College of Ethnic Medicine, Guizhou Minzu University, Guiyang 550025, Guizhou, China
| | - Qianqian Guo
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Department of Pharmacology of Materia Medica (The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Guizhou Provincial Scientific and Technologic Innovation Base ([2023]003), Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Chuang Zhang
- The Department of Pharmacology, School of Basic Medical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Xin Lu
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Xiaoxia Hu
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Department of Pharmacology of Materia Medica (The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Guizhou Provincial Scientific and Technologic Innovation Base ([2023]003), Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Xiangchun Shen
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Department of Pharmacology of Materia Medica (The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Guizhou Provincial Scientific and Technologic Innovation Base ([2023]003), Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
| | - Yanyan Zhang
- The State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Department of Pharmacology of Materia Medica (The High Efficacy Application of Natural Medicinal Resources Engineering Center of Guizhou Province, The Key Laboratory of Optimal Utilization of Natural Medicine Resources), School of Pharmaceutical Sciences, Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
- The Guizhou Provincial Scientific and Technologic Innovation Base ([2023]003), Guizhou Medical University, University Town, Guian New District, Guiyang 550025, Guizhou, China
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Heng Y, Wei W, Cheng L, Wu F, Dong H, Li J, Fu J, Yang B, Liang X, Liu C, Li H, Liu H, Zhang P. FGF21 overexpression alleviates VSMC senescence in diabetic mice by modulating the SYK-NLRP3 inflammasome-PPARγ-catalase pathway. Acta Biochim Biophys Sin (Shanghai) 2024; 56:892-904. [PMID: 38733164 PMCID: PMC11214975 DOI: 10.3724/abbs.2024032] [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: 10/29/2023] [Accepted: 01/16/2024] [Indexed: 05/13/2024] Open
Abstract
Diabetes accelerates vascular senescence, which is the basis for atherosclerosis and stiffness. The activation of the NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome and oxidative stress are closely associated with progressive senescence in vascular smooth muscle cells (VSMCs). The vascular protective effect of FGF21 has gradually gained increasing attention, but its role in diabetes-induced vascular senescence needs further investigation. In this study, diabetic mice and primary VSMCs are transfected with an FGF21 activation plasmid and treated with a peroxisome proliferator-activated receptor γ (PPARγ) agonist (rosiglitazone), an NLRP3 inhibitor (MCC950), and a spleen tyrosine kinase (SYK)-specific inhibitor, R406, to detect senescence-associated markers. We find that FGF21 overexpression significantly restores the level of catalase (CAT), vascular relaxation, inhibits the intensity of ROSgreen fluorescence and p21 immunofluorescence, and reduces the area of SA-β-gal staining and collagen deposition in the aortas of diabetic mice. FGF21 overexpression restores CAT, inhibits the expression of p21, and limits the area of SA-β-gal staining in VSMCs under high glucose conditions. Mechanistically, FGF21 inhibits SYK phosphorylation, the production of the NLRP3 dimer, the expression of NLRP3, and the colocalization of NLRP3 with PYCARD (ASC), as well as NLRP3 with caspase-1, to reverse the cleavage of PPARγ, preserve CAT levels, suppress ROSgreen density, and reduce the expression of p21 in VSMCs under high glucose conditions. Our results suggest that FGF21 alleviates vascular senescence by regulating the SYK-NLRP3 inflammasome-PPARγ-catalase pathway in diabetic mice.
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MESH Headings
- Animals
- NLR Family, Pyrin Domain-Containing 3 Protein/metabolism
- NLR Family, Pyrin Domain-Containing 3 Protein/genetics
- Syk Kinase/metabolism
- Syk Kinase/genetics
- PPAR gamma/metabolism
- PPAR gamma/genetics
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Inflammasomes/metabolism
- Mice
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/genetics
- Diabetes Mellitus, Experimental/pathology
- Cellular Senescence
- Male
- Signal Transduction
- Mice, Inbred C57BL
- Fibroblast Growth Factors/metabolism
- Fibroblast Growth Factors/genetics
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
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Affiliation(s)
- Yanyan Heng
- Department of NephrologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Wei Wei
- Department of PharmacologyChangzhi Medical CollegeChangzhi046000China
- Department of EndocrinologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
- Department of Clinical Central LaboratoryHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Linzhong Cheng
- Department of National Institute for Clinical Trials of Drugs and Phase I Clinical Trial LaboratoryHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Feifei Wu
- Department of EndocrinologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Haoyu Dong
- Department of EndocrinologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Jingxia Li
- Department of AnesthesiaChangzhi Medical CollegeChangzhi046000China
| | - Jianing Fu
- Department of StomatologyChangzhi Medical CollegeChangzhi046000China
| | - Bingjie Yang
- Department of StomatologyChangzhi Medical CollegeChangzhi046000China
| | - Xinyue Liang
- Department of Medical ImageologyChangzhi Medical CollegeChangzhi046000China
| | - Chunyan Liu
- Department of AnesthesiaChangzhi Medical CollegeChangzhi046000China
| | - Haiju Li
- Department of PharmacologyChangzhi Medical CollegeChangzhi046000China
- Department of National Institute for Clinical Trials of Drugs and Phase I Clinical Trial LaboratoryHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Haihua Liu
- Department of EndocrinologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
| | - Pengfei Zhang
- Department of NephrologyHeping Hospital Affiliated to Changzhi Medical CollegeChangzhi046000China
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Fan CN, Tsai TN, Lu XJ, Lai HF, Wang CH, Chiu YL. Transcriptomic analysis reveals Cilostazol's role in ameliorating cardiovascular disease: Inhibition of monocyte-to-macrophage differentiation and reduction of endothelial cell reactive oxygen species production. Heliyon 2024; 10:e29194. [PMID: 38601627 PMCID: PMC11004659 DOI: 10.1016/j.heliyon.2024.e29194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
Background Cardiovascular diseases (CVDs) are the leading global cause of death, with atherosclerosis as the primary cause. Chronic inflammation, endothelial dysfunction, and the role of molecules like nitric oxide and reactive oxygen species are crucial in this context. Our previous research indicated that cilostazol and ginkgo biloba extract could enhance the ability of endothelial cells to dissolve blood clots, but the effects of cilostazol on monocytes remain unexplored. Method This study utilized peripheral blood mononuclear cells from 10 healthy donors, treated ex vivo with cilostazol. RNA-sequencing, over-representation analysis, xCell stromal cell analysis, and Gene Set Enrichment Analysis were employed to investigate the gene expression changes and biological pathways affected by cilostazol treatment. Results The study identified specific gene sets and pathways that were enriched or reduced in response to cilostazol treatment, providing insights into its effects on monocytes and potential therapeutic applications in CVD. The analysis also revealed the potential impact of cilostazol on the stromal cell compartment, further broadening our understanding of its multifaceted role. Conclusion The findings offer a nuanced understanding of the advantages and mechanisms of cilostazol in CVD, uncovering novel therapeutic targets and strategies to enhance the clinical application of cilostazol and contributing to the broader implications of this therapy in cardiovascular health.
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Affiliation(s)
- Chia-Ning Fan
- Department of Surgery, Taoyuan Armed Forces General Hospital, Taoyuan, 325, Taiwan (R.O.C.)
- Division of Cardiovascular Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
| | - Tsung-Neng Tsai
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
| | - Xin-Jie Lu
- Department of Biochemistry, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
| | - Hsing-Fan Lai
- Department of Biochemistry, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei city, 114, Taiwan (R.O.C.)
| | - Chun-Hua Wang
- Department of Biochemistry, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
| | - Yi-Lin Chiu
- Department of Biochemistry, National Defense Medical Center, Taipei, 114, Taiwan (R.O.C.)
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Yin J, Fu X, Luo Y, Leng Y, Ao L, Xie C. A Narrative Review of Diabetic Macroangiopathy: From Molecular Mechanism to Therapeutic Approaches. Diabetes Ther 2024; 15:585-609. [PMID: 38302838 PMCID: PMC10942953 DOI: 10.1007/s13300-024-01532-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024] Open
Abstract
Diabetic macroangiopathy, a prevalent and severe complication of diabetes mellitus, significantly contributes to the increased morbidity and mortality rates among affected individuals. This complex disorder involves multifaceted molecular mechanisms that lead to the dysfunction and damage of large blood vessels, including atherosclerosis (AS) and peripheral arterial disease. Understanding the intricate pathways underlying the development and progression of diabetic macroangiopathy is crucial for the development of effective therapeutic interventions. This review aims to shed light on the molecular mechanism implicated in the pathogenesis of diabetic macroangiopathy. We delve into the intricate interplay of chronic inflammation, oxidative stress, endothelial dysfunction, and dysregulated angiogenesis, all of which contribute to the vascular complications observed in this disorder. By exploring the molecular mechanism involved in the disease we provide insight into potential therapeutic targets and strategies. Moreover, we discuss the current therapeutic approaches used for treating diabetic macroangiopathy, including glycemic control, lipid-lowering agents, and vascular interventions.
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Affiliation(s)
- Jiacheng Yin
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Xiaoxu Fu
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, No. 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Yue Luo
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Yuling Leng
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Lianjun Ao
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China
| | - Chunguang Xie
- Hospital of Chengdu University of Traditional Chinese Medicine No, 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China.
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, No. 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China.
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-Qiao Road, Chengdu, 610072, Sichuan Province, People's Republic of China.
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Zhong X, Wei X, Xu Y, Zhu X, Huo B, Guo X, Feng G, Zhang Z, Feng X, Fang Z, Luo Y, Yi X, Jiang DS. The lysine methyltransferase SMYD2 facilitates neointimal hyperplasia by regulating the HDAC3-SRF axis. Acta Pharm Sin B 2024; 14:712-728. [PMID: 38322347 PMCID: PMC10840433 DOI: 10.1016/j.apsb.2023.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 09/21/2023] [Accepted: 10/24/2023] [Indexed: 02/08/2024] Open
Abstract
Coronary restenosis is an important cause of poor long-term prognosis in patients with coronary heart disease. Here, we show that lysine methyltransferase SMYD2 expression in the nucleus is significantly elevated in serum- and PDGF-BB-induced vascular smooth muscle cells (VSMCs), and in tissues of carotid artery injury-induced neointimal hyperplasia. Smyd2 overexpression in VSMCs (Smyd2-vTg) facilitates, but treatment with its specific inhibitor LLY-507 or SMYD2 knockdown significantly inhibits VSMC phenotypic switching and carotid artery injury-induced neointima formation in mice. Transcriptome sequencing revealed that SMYD2 knockdown represses the expression of serum response factor (SRF) target genes and that SRF overexpression largely reverses the inhibitory effect of SMYD2 knockdown on VSMC proliferation. HDAC3 directly interacts with and deacetylates SRF, which enhances SRF transcriptional activity in VSMCs. Moreover, SMYD2 promotes HDAC3 expression via tri-methylation of H3K36 at its promoter. RGFP966, a specific inhibitor of HDAC3, not only counteracts the pro-proliferation effect of SMYD2 overexpression on VSMCs, but also inhibits carotid artery injury-induced neointima formation in mice. HDAC3 partially abolishes the inhibitory effect of SMYD2 knockdown on VSMC proliferation in a deacetylase activity-dependent manner. Our results reveal that the SMYD2-HDAC3-SRF axis constitutes a novel and critical epigenetic mechanism that regulates VSMC phenotypic switching and neointimal hyperplasia.
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Affiliation(s)
- Xiaoxuan Zhong
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xiang Wei
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan 430030, China
| | - Yan Xu
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing 210096, China
| | - Xuehai Zhu
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan 430030, China
| | - Bo Huo
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xian Guo
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Gaoke Feng
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Zihao Zhang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Xin Feng
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zemin Fang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuxuan Luo
- School of Life Science and Technology, Key Laboratory of Developmental Genes and Human Disease, Southeast University, Nanjing 210096, China
| | - Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ding-Sheng Jiang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan 430030, China
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Cai Z, Li Y, Bai L, Xu J, Liu Z, Zhang T, Gao S, Lin Y. Tetrahedral Framework Nucleic Acids Based Small Interfering RNA Targeting Receptor for Advanced Glycation End Products for Diabetic Complications Treatment. ACS NANO 2023; 17:22668-22683. [PMID: 37751401 DOI: 10.1021/acsnano.3c06999] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Complications arising from diabetes can threaten multiple organs. Advanced glycation end products (AGEs) play a significant role in inducing these complications. Highly processed diets and hyperglycemia facilitate the accumulation of AGEs in the body. Interaction between AGEs and their main receptor (RAGE) initiates the transmission of intracellular inflammatory and cell death signals, which ultimately lead to complications. To counter AGEs-induced damage, we developed an siRNA-binding tetrahedral framework nucleic acids (TDN) system, termed Tsi, which combines the potent cell membrane penetrability and serum stability of TDN with the gene-targeting specificity of siRNA-RAGE. Tsi effectively and persistently downregulates the expression of RAGE, thereby suppressing inflammation by blocking the NF-κB pathway as well as exhibiting antioxidant functions. Furthermore, Tsi regulates the pyroptosis state of macrophages via the NLRP3/caspase-1 axis, which inhibits the spread of cell death signals and maintains homeostasis. This is of great significance for the synergistic treatment strategy for systemic complications in patients with refractory hyperglycemia. In summary, this study describes a nanomedicine that targets the RAGE and suppresses AGE-induced inflammation. This nucleic acid drug holds long-lasting efficacy and is independent of lowering hyperglycemia, which provides a strategy for the treatment of diabetic complications and age-related diseases.
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Affiliation(s)
- Zhengwen Cai
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yong Li
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Long Bai
- Department of Oral Implantology, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
| | - Jiangshan Xu
- College of Biomedical Engineering, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhiqiang Liu
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Tianxu Zhang
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Shaojingya Gao
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yunfeng Lin
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
- Sichuan Provincial Engineering Research Center of Oral Biomaterials, Chengdu, Sichuan 610041, China
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9
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Abu-Khudir R, Badr GM, Abd El-Moaty HI, Hamad RS, Al Abdulsalam NK, Abdelrahem ASA, Alqarni S, Alkuwayti MA, Salam SA, Abd El-Kareem HF. Garden Cress Seed Oil Abrogates Testicular Oxidative Injury and NF-kB-Mediated Inflammation in Diabetic Mice. Int J Mol Sci 2023; 24:15478. [PMID: 37895159 PMCID: PMC10607464 DOI: 10.3390/ijms242015478] [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: 09/30/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Diabetes mellitus is a metabolic disorder associated with various complications encompassing male reproductive dysfunction. The present study aimed to investigate the therapeutic potential of biologically active Lepidium sativum seed oil (LSO) against the testicular dysfunction associated with streptozotocin (STZ)-induced diabetes. Male adults (n = 24) were divided into four groups: control, LSO-administered, diabetic (D), and LSO-treated diabetic (D+LSO) groups. LSO was extracted from L. sativum seeds, and its chemical composition was determined using GC-MS. Serum testosterone levels, testicular enzymatic antioxidants (catalase (CAT) and superoxide dismutase (SOD)), an oxidative stress (OS) biomarker, malondialdehyde (MDA), pro-inflammatory markers (NF-kB, IL-1, IL-6, and TNF-α), and the expression level of NF-kB were assessed. In addition, histopathological changes were evaluated in testicular tissues. The results obtained showed that the chemical composition of LSO indicated its enrichment mainly with γ-tocopherol (62.1%), followed by 2-methylhexacosane (8.12%), butylated hydroxytoluene (8.04%), 10-Methylnonadecane (4.81%), and δ-tocopherol (3.91%). Moreover, LSO administration in the D+LSO mice significantly increased testosterone levels and ameliorated the observed testicular oxidative damage, inflammatory response, and reduced NF-kB expression compared to the diabetic mice. Biochemical and molecular analyses confirmed the histological results. In conclusion, LSO may prevent the progression of diabetes-induced impairment in the testes through inhibition of the OS- and NF-kB-mediated inflammatory response.
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Affiliation(s)
- Rasha Abu-Khudir
- Department of Chemistry, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia
- Department of Chemistry, Biochemistry Division, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Gehan M. Badr
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo 11566, Egypt; (G.M.B.); (H.F.A.E.-K.)
| | - Heba Ibrahim Abd El-Moaty
- Department of Biological Sciences, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.I.A.E.-M.); (R.S.H.); (N.K.A.A.); (M.A.A.)
- Medicinal and Aromatic Plants Department, Desert Research Center El-Mataria, Cairo 11753, Egypt
| | - Rabab S. Hamad
- Department of Biological Sciences, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.I.A.E.-M.); (R.S.H.); (N.K.A.A.); (M.A.A.)
- Central Laboratory, Theodor Bilharz Research Institute, Giza 12411, Egypt
| | - Najla K. Al Abdulsalam
- Department of Biological Sciences, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.I.A.E.-M.); (R.S.H.); (N.K.A.A.); (M.A.A.)
| | - Aml Sayed Ali Abdelrahem
- Department of Nursing, College of Applied Medical Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia;
| | - Saleha Alqarni
- Department of Clinical Nutrition, College of Applied Medical Science King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia;
| | - Mayyadah Abdullah Alkuwayti
- Department of Biological Sciences, College of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia; (H.I.A.E.-M.); (R.S.H.); (N.K.A.A.); (M.A.A.)
| | - Sherine Abdel Salam
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria 21511, Egypt;
| | - Hanaa F. Abd El-Kareem
- Department of Zoology, Faculty of Science, Ain Shams University, Cairo 11566, Egypt; (G.M.B.); (H.F.A.E.-K.)
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10
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Chen Q, Chen J, Li J, Cheng Y, Zhang R, Liu Z. Recent advances of oxidative stress in thromboangiitis obliterans: biomolecular mechanisms, biomarkers, sources and clinical applications. Thromb Res 2023; 230:64-73. [PMID: 37639784 DOI: 10.1016/j.thromres.2023.08.015] [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: 05/15/2023] [Revised: 07/29/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
Oxidative stress (OS) has been identified as a key factor in the development of Thromboangiitis Obliterans (TAO). The detection of OS levels in clinical and scientific research practice is mainly based on the measurement of oxidative stress such as reactive oxygen species (ROS), reactive nitrogen species (RNS) and lipid peroxides. These markers are typically assessed through a combination of physical and chemical methods. Smoking is known to the state of OS in TAO, and OS levels are significantly increased in smokers due to inadequate antioxidant protection, which leads to the expression of apoptotic proteins and subsequent cell injury, thrombosis and limb ischemia. There, understanding the role of OS in the pathogenesis of TAO may provide insights into the etiology of TAO and a basis for its prevention and treatment.
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Affiliation(s)
- Qi Chen
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Jing Chen
- Guangzhou Institute of Cardiovascular Disease, Guangdong Key Laboratory of Vascular Diseases, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital, Guangzhou Medical University, Guangzhou, China.
| | - Jiahua Li
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Yuanyuan Cheng
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Rong Zhang
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
| | - Zhongqiu Liu
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.
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11
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Hong Y, Li J, Zhong Y, Yang S, Pei L, Huang Z, Chen X, Wu H, Zheng G, Zeng C, Wu H, Wang T. Elabela inhibits TRAF1/NF-κB induced oxidative DNA damage to promote diabetic foot ulcer wound healing. iScience 2023; 26:107601. [PMID: 37664606 PMCID: PMC10469767 DOI: 10.1016/j.isci.2023.107601] [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: 05/08/2023] [Revised: 07/20/2023] [Accepted: 08/08/2023] [Indexed: 09/05/2023] Open
Abstract
Diabetic foot ulcer (DFU) is a serious complication of diabetes. Elabela (ELA), a ligand of apelin receptor (APJ), was shown to promote angiogenesis and suppress inflammation. This study aimed to illustrate the role of ELA in DFU wound healing. A whole-skin defect model was constructed using db/m and db/db mice to observe the effects of ELA on wound healing. The function of ELA in endothelial cells cultured in high glucose medium was investigated. Administration of ELA in peri-wound area of db/db mice accelerated wound closure and reduced inflammatory infiltration. Indicators of DNA damage, elevated reactive oxygen species (ROS) levels and tail DNA amounts, were downregulated by ELA but compromised after TRAF1 overexpression. ELA-mediated inhibition of NF-κB phosphorylation improved cell migration and angiogenesis, which were blocked by APJ silencing. The findings imply that ELA suppresses TRAF1-mediated NF-κB signal activation, reducing ROS-related oxidative DNA damage and improving protection of endothelial function.
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Affiliation(s)
- Yinghui Hong
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Jun Li
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Yinsheng Zhong
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Shujun Yang
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Liying Pei
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Zijie Huang
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Xuxiang Chen
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Hao Wu
- Department of Emergency, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Guanghui Zheng
- Department of Emergency, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Chaotao Zeng
- Department of Emergency, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Haidong Wu
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
| | - Tong Wang
- Department of Emergency, the Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong 518003, P.R. China
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12
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Koval OM, Nguyen EK, Mittauer DJ, Ait-Aissa K, Chinchankar WC, Grumbach IM. Regulation of Smooth Muscle Cell Proliferation by Mitochondrial Ca2+ in Type 2 Diabetes. Int J Mol Sci 2023; 24:12897. [PMID: 37629079 PMCID: PMC10454141 DOI: 10.3390/ijms241612897] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Type 2 diabetes (T2D) is associated with increased risk of atherosclerotic vascular disease due to excessive vascular smooth muscle cell (VSMC) proliferation. Here, we investigated the role of mitochondrial dysfunction and Ca2+ levels in VSMC proliferation in T2D. VSMCs were isolated from normoglycemic and T2D-like mice induced by diet. The effects of mitochondrial Ca2+ uptake were studied using mice with selectively inhibited mitochondrial Ca2+/calmodulin-dependent kinase II (mtCaMKII) in VSMCs. Mitochondrial transition pore (mPTP) was blocked using ER-000444793. VSMCs from T2D compared to normoglycemic mice exhibited increased proliferation and baseline cytosolic Ca2+ levels ([Ca2+]cyto). T2D cells displayed lower endoplasmic reticulum Ca2+ levels, reduced mitochondrial Ca2+ entry, and increased Ca2+ leakage through the mPTP. Mitochondrial and cytosolic Ca2+ transients were diminished in T2D cells upon platelet-derived growth factor (PDGF) administration. Inhibiting mitochondrial Ca2+ uptake or the mPTP reduced VSMC proliferation in T2D, but had contrasting effects on [Ca2+]cyto. In T2D VSMCs, enhanced activation of Erk1/2 and its upstream regulators was observed, driven by elevated [Ca2+]cyto. Inhibiting mtCaMKII worsened the Ca2+ imbalance by blocking mitochondrial Ca2+ entry, leading to further increases in [Ca2+]cyto and Erk1/2 hyperactivation. Under these conditions, PDGF had no effect on VSMC proliferation. Inhibiting Ca2+-dependent signaling in the cytosol reduced excessive Erk1/2 activation and VSMC proliferation. Our findings suggest that altered Ca2+ handling drives enhanced VSMC proliferation in T2D, with mitochondrial dysfunction contributing to this process.
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Affiliation(s)
- Olha M. Koval
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Emily K. Nguyen
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Dylan J. Mittauer
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Karima Ait-Aissa
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - William C. Chinchankar
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Isabella M. Grumbach
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Fraternal Order of Eagles Diabetes Research Center, Division of Endocrinology and Metabolism, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA 52242, USA
- Veterans Affairs Healthcare System, Iowa City, IA 52246, USA
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13
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Li Y, Liu Y, Liu S, Gao M, Wang W, Chen K, Huang L, Liu Y. Diabetic vascular diseases: molecular mechanisms and therapeutic strategies. Signal Transduct Target Ther 2023; 8:152. [PMID: 37037849 PMCID: PMC10086073 DOI: 10.1038/s41392-023-01400-z] [Citation(s) in RCA: 51] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 02/19/2023] [Accepted: 02/28/2023] [Indexed: 04/12/2023] Open
Abstract
Vascular complications of diabetes pose a severe threat to human health. Prevention and treatment protocols based on a single vascular complication are no longer suitable for the long-term management of patients with diabetes. Diabetic panvascular disease (DPD) is a clinical syndrome in which vessels of various sizes, including macrovessels and microvessels in the cardiac, cerebral, renal, ophthalmic, and peripheral systems of patients with diabetes, develop atherosclerosis as a common pathology. Pathological manifestations of DPDs usually manifest macrovascular atherosclerosis, as well as microvascular endothelial function impairment, basement membrane thickening, and microthrombosis. Cardiac, cerebral, and peripheral microangiopathy coexist with microangiopathy, while renal and retinal are predominantly microangiopathic. The following associations exist between DPDs: numerous similar molecular mechanisms, and risk-predictive relationships between diseases. Aggressive glycemic control combined with early comprehensive vascular intervention is the key to prevention and treatment. In addition to the widely recommended metformin, glucagon-like peptide-1 agonist, and sodium-glucose cotransporter-2 inhibitors, for the latest molecular mechanisms, aldose reductase inhibitors, peroxisome proliferator-activated receptor-γ agonizts, glucokinases agonizts, mitochondrial energy modulators, etc. are under active development. DPDs are proposed for patients to obtain more systematic clinical care requires a comprehensive diabetes care center focusing on panvascular diseases. This would leverage the advantages of a cross-disciplinary approach to achieve better integration of the pathogenesis and therapeutic evidence. Such a strategy would confer more clinical benefits to patients and promote the comprehensive development of DPD as a discipline.
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Affiliation(s)
- Yiwen Li
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Yanfei Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
- The Second Department of Gerontology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Shiwei Liu
- Department of Nephrology and Endocrinology, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Mengqi Gao
- Department of Nephrology and Endocrinology, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, 100102, China
| | - Wenting Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Keji Chen
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Luqi Huang
- China Center for Evidence-based Medicine of TCM, China Academy of Chinese Medical Sciences, Beijing, 100010, China.
| | - Yue Liu
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, 100091, China.
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14
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Peripheral Nerve Denervation in Streptozotocin-Induced Diabetic Rats Is Reduced by Cilostazol. Medicina (B Aires) 2023; 59:medicina59030553. [PMID: 36984553 PMCID: PMC10057442 DOI: 10.3390/medicina59030553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/09/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
Background and Objective: Our previous study demonstrated that consistent treatment of oral cilostazol was effective in reducing levels of painful peripheral neuropathy in streptozotocin-induced type I diabetic rats. As diabetic neuropathy is characterized by hyperglycemia-induced nerve damage in the periphery, this study aims to examine the neuropathology as well as the effects of cilostazol treatments on the integrity of peripheral small nerve fibers in type I diabetic rats. Materials and Methods: A total of ninety adult male Sprague-Dawley rats were divided into the following groups: (1) naïve (control) group; (2) diabetic rats (DM) group for 8 weeks; DM rats receiving either (3) 10 mg/kg oral cilostazol (Cilo10), (4) 30 mg/kg oral cilostazol (Cilo30), or (5) 100 mg/kg oral cilostazol (Cilo100) for 6 weeks. Pain tolerance thresholds of hind paws toward thermal and mechanical stimuli were assessed. Expressions of PGP9.5, P2X3, CGRP, and TRPV-1 targeting afferent nerve fibers in hind paw skin and glial cells in the spinal dorsal horn were examined via immunohistochemistry and immunofluorescence. Results: Oral cilostazol ameliorated the symptoms of mechanical allodynia but not thermal analgesia in DM rats. Significant reductions in PGP9.5-, P2X3-, CGRP, and TRPV-1-labeled penetrating nerve fibers in the epidermal layer indicated denervation of sensory nerves in the hind paw epidermis of DM rats. Denervation significantly improved in groups that received Cilo30 and Cilo100 in a dose-dependent manner. Cilostazol administration also suppressed microglial hyperactivation and increased astrocyte expressions in spinal dorsal horns. Conclusions: Oral cilostazol ameliorated hyperglycemia-induced peripheral small nerve fiber damage in the periphery of diabetic rats and effectively mitigated diabetic neuropathic pain via a central sensitization mechanism. Our findings present cilostazol not only as an effective option for managing symptoms of neuropathy but also for deterring the development of diabetic neuropathy in the early phase of type I diabetes.
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15
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Koval OM, Nguyen EK, Mittauer DJ, Ait-Aissa K, Chinchankar W, Qian L, Madesh M, Dai DF, Grumbach IM. The mitochondrial regulation of smooth muscle cell proliferation in type 2 diabetes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.15.528765. [PMID: 36824758 PMCID: PMC9948984 DOI: 10.1101/2023.02.15.528765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Background Type 2 diabetes (T2D) is associated with a strongly increased risk for restenosis after angioplasty driven by proliferation of vascular smooth muscle cells (VSMCs). Here, we sought to determine whether and how mitochondrial dysfunction in T2D drives VSMC proliferation with a focus on ROS and intracellular [Ca 2+ ] that both drive cell proliferation, occur in T2D and are regulated by mitochondrial activity. Methods Using a diet-induced mouse model of T2D, the inhibition of the mitochondrial Ca 2+ /calmodulin-dependent kinase II (mtCaMKII), a regulator of Ca 2+ entry via the mitochondrial Ca 2+ uniporter selectively in VSMCs, we performed in vivo phenotyping after mechanical injury and established the mechanisms of excessive proliferation in cultured VSMCs. Results In T2D, the inhibition of mtCaMKII reduced both neointima formation after mechanical injury and the proliferation of cultured VSMCs. VSMCs from T2D mice displayed accelerated proliferation, reduced mitochondrial Ca 2+ entry and membrane potential with elevated baseline [Ca 2+ ] cyto compared to cells from normoglycemic mice. Accelerated proliferation after PDGF treatment was driven by activation of Erk1/2 and its upstream regulators. Hyperactivation of Erk1/2 was Ca 2+ -dependent rather than mitochondrial ROS-driven Ca 2+ -dependent and included the activation of CaMKII in the cytosol. The inhibition of mtCaMKII exaggerated the Ca 2+ imbalance by lowering mitochondrial Ca 2+ entry and increasing baseline [Ca 2+ ] cyto , further enhancing baseline Erk1/2 activation. With inhibition of mtCaMKII, PDGF treatment had no additional effect on cell proliferation. Inhibition of activated CaMKII in the cytosol decreased excessive Erk1/2 activation and reduced VSMC proliferation. Conclusions Collectively, our results provide evidence for the molecular mechanisms of enhanced VSMC proliferation after mechanical injury by mitochondrial Ca 2+ entry in T2D.
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Affiliation(s)
- Olha M. Koval
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Emily K. Nguyen
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Dylan J. Mittauer
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Karima Ait-Aissa
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - William Chinchankar
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Lan Qian
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Muniswamy Madesh
- Center for Mitochondrial Medicine, Division of Cardiology, Department of Medicine, University of Texas Health San Antonio, San Antonio, Texas 78229, USA
| | - Dao-Fu Dai
- Division of Pathology, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
| | - Isabella M. Grumbach
- Abboud Cardiovascular Research Center, Division of Cardiovascular Medicine, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City IA 52242, USA
- Fraternal Order of Eagles Diabetes Research Center and Division of Endocrinology and Metabolism, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
- Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, University of Iowa, Iowa City IA 52242, USA
- Veterans Affairs Healthcare System, Iowa City, IA 52246, USA
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16
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Zhang Z, Huang Q, Zhao D, Lian F, Li X, Qi W. The impact of oxidative stress-induced mitochondrial dysfunction on diabetic microvascular complications. Front Endocrinol (Lausanne) 2023; 14:1112363. [PMID: 36824356 PMCID: PMC9941188 DOI: 10.3389/fendo.2023.1112363] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/24/2023] [Indexed: 02/10/2023] Open
Abstract
Diabetes mellitus (DM) is a metabolic disease characterized by chronic hyperglycaemia, with absolute insulin deficiency or insulin resistance as the main cause, and causes damage to various target organs including the heart, kidney and neurovascular. In terms of the pathological and physiological mechanisms of DM, oxidative stress is one of the main mechanisms leading to DM and is an important link between DM and its complications. Oxidative stress is a pathological phenomenon resulting from an imbalance between the production of free radicals and the scavenging of antioxidant systems. The main site of reactive oxygen species (ROS) production is the mitochondria, which are also the main organelles damaged. In a chronic high glucose environment, impaired electron transport chain within the mitochondria leads to the production of ROS, prompts increased proton leakage and altered mitochondrial membrane potential (MMP), which in turn releases cytochrome c (cyt-c), leading to apoptosis. This subsequently leads to a vicious cycle of impaired clearance by the body's antioxidant system, impaired transcription and protein synthesis of mitochondrial DNA (mtDNA), which is responsible for encoding mitochondrial proteins, and impaired DNA repair systems, contributing to mitochondrial dysfunction. This paper reviews the dysfunction of mitochondria in the environment of high glucose induced oxidative stress in the DM model, and looks forward to providing a new treatment plan for oxidative stress based on mitochondrial dysfunction.
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Affiliation(s)
- Ziwei Zhang
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Qingxia Huang
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Daqing Zhao
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Fengmei Lian
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Fengmei Lian, ; Xiangyan Li, ; Wenxiu Qi,
| | - Xiangyan Li
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Fengmei Lian, ; Xiangyan Li, ; Wenxiu Qi,
| | - Wenxiu Qi
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Ministry of Education, Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
- *Correspondence: Fengmei Lian, ; Xiangyan Li, ; Wenxiu Qi,
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El Amin Ali AM, Osman HM, Zaki AM, Shaker O, Elsayed AM, Abdelwahed MY, Mohammed RA. Reno-protective effects of GLP-1 receptor agonist and anti-platelets in experimentally induced diabetic kidney disease in male albino rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:1487-1497. [PMID: 36544522 PMCID: PMC9742563 DOI: 10.22038/ijbms.2022.65061.14494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 09/26/2022] [Indexed: 12/24/2022]
Abstract
Objectives The prevalence of chronic kidney disease in diabetics is progressively increasing with an increased risk of fatal complications. Materials and Methods Sixty male albino rats were used in the study, and type 2 diabetes mellitus were induced. Diabetic rats were divided randomly into 5 groups, the control diabetic group and 4 treated groups were treated with metformin (group3), dulaglutide (group 4), metformin & cilostazol (group 5), and the last group was treated with dulaglutide & cilostazol (group 6). At the end of the experiment, the weight of rats and systolic blood pressure were estimated. After overnight fasting, the serum levels of blood glucose, lipid profile, and kidney function were measured. After scarification, gene expression of eNOS and NFKB in kidney tissue were estimated and kidney tissues were examined for histopathology. Results Diabetic rats showed a significant increase in body weight, blood pressure, serum blood glucose, lipid profile, and impaired kidney function. Metformin and dulaglutide are associated with a significant decrease in blood pressure, blood glucose level, serum lipid profile, and improved kidney function. These changes are associated with a significant increase in anti-oxidative markers, and decreased inflammatory and fibrotic markers, especially with the addition of cilostazol. Conclusion Metformin and dulaglutide have been shown to ameliorate kidney damage in diabetics by stimulating the anti-oxidant defense system, normalizing kidney functional parameters, and improving histopathological changes. The addition of cilostazol to metformin or dulaglutide increased some of their anti-oxidants and anti-inflammatory properties.
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Affiliation(s)
| | - Hamed M. Osman
- Professor of Physiology, Physiology Department, Faculty of Medicine, Azhar University, Cairo, Egypt
| | - Azaa M. Zaki
- Physiology Department, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Olfat Shaker
- Professor of Biochemistry, Biochemistry and Molecular Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | | | | | - Rahab Ahmed Mohammed
- Physiology Department, Faculty of Medicine, Fayoum University, Fayoum, Egypt. ,Corresponding author: Rahab Ahmed Mohammed. Physiology department, Faculty of Medicine, Fayoum University, Fayoum. Egypt. Tel: 01005446843;
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18
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Tseng SY, Chang HY, Li YH, Chao TH. Effects of Cilostazol on Angiogenesis in Diabetes through Adiponectin/Adiponectin Receptors/Sirtuin1 Signaling Pathway. Int J Mol Sci 2022; 23:ijms232314839. [PMID: 36499166 PMCID: PMC9739574 DOI: 10.3390/ijms232314839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/16/2022] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
Cilostazol is an antiplatelet agent with vasodilating effects that functions by increasing the intracellular concentration of cyclic adenosine monophosphate. We have previously shown that cilostazol has favorable effects on angiogenesis. However, there is no study to evaluate the effects of cilostazol on adiponectin. We investigated the effects of cilostazol on angiogenesis in diabetes in vitro and in vivo through adiponectin/adiponectin receptors (adipoRs) and the sirtuin 1 (SIRT1)/AMP-activated protein kinase (AMPK) signaling pathway. Human umbilical vein endothelial cells (HUVECs) and human aortic smooth muscle cells (HASMCs) were cocultured under high glucose (HG) conditions. Adiponectin concentrations in the supernatants were significantly increased when HASMCs were treated with cilostazol but not significantly changed when only HUVECs were treated with cilostazol. Cilostazol treatment enhanced the expression of SIRT1 and upregulated the phosphorylation of AMPK in HG-treated HUVECs. By sequential knockdown of adipoRs, SIRT1, and AMPK, our data demonstrated that cilostazol prevented apoptosis and stimulated proliferation, chemotactic motility, and capillary-like tube formation in HG-treated HUVECs through the adipoRs/SIRT1/AMPK signaling pathway. The phosphorylation of downstream signaling molecules, including acetyl-CoA carboxylase (ACC) and endothelial nitric oxide synthase (eNOS), was downregulated when HUVECs were treated with a SIRT1 inhibitor. In streptozotocin-induced diabetic mice, cilostazol treatment could improve blood flow recovery 21-28 days after inducing hindlimb ischemia as well as increase the circulating of CD34+CD45dim cells 14-21 days after operation; moreover, these effects were significantly attenuated by the knockdown of adipoR1 but not adipoR2. The expression of SIRT1 and phosphorylation of AMPK/ACC and Akt/eNOS in ischemic muscles were significantly attenuated by the gene knockdown of adipoRs. Cilostazol improves HG-induced endothelial dysfunction in vascular endothelial cells and enhances angiogenesis in diabetic mice by upregulating the expression of adiponectin/adipoRs and its SIRT1/AMPK downstream signaling pathway.
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Affiliation(s)
- Shih-Ya Tseng
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Department of Biological Science, National Sun Yat-sen University, Kaohsiung 804, Taiwan
| | - Hsien-Yuan Chang
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Yi-Heng Li
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
| | - Ting-Hsing Chao
- Division of Cardiology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan
- Health Management Center, National Cheng Kung University Hospital, Tainan 704, Taiwan
- Correspondence: ; Tel.: +886-6-23523535 (ext. 2392); Fax: +886-6-2753834
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19
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Liu W, Li Z, Feng C, Hu S, Yang X, Xiao K, Nong Q, Xiao Q, Wu K, Li XQ, Cao W. The structures of two polysaccharides from Angelica sinensis and their effects on hepatic insulin resistance through blocking RAGE. Carbohydr Polym 2022; 280:119001. [PMID: 35027136 DOI: 10.1016/j.carbpol.2021.119001] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/02/2021] [Accepted: 12/07/2021] [Indexed: 02/08/2023]
Abstract
This study found two novel homogeneous polysaccharides from Angelica sinensis, APS-1I and APS-2II, binding to RAGE with a dissociation constant of 2.02 ± 0.2 and 85.92 ± 0.2 μM, respectively. APS-1I is a 17.0 kDa heteropolysaccharide, whose backbone is composed of α-1,6-Glcp, α-1,3,6-Glcp, α-1,2-Glcp, α-1,4-Galp, and α-1,3-Rhap, and whose two branches contain α-1,3,5-Araf, α-1,3-Araf, α-1,4-Galp, β-1,3-Galp, and β-1,4-Glcp. APS-2II is a 10.0 kDa linear glucan, that contains α-1,6-Glcp, α-1,3-Glcp, α-1,2-Glcp, and α-T-Glcp. In vitro, APS-1I demonstrated better promotion on glucose absorption and stronger repression on p-IRS-1 (Ser307), p-IRS-2 (Ser731), p-JNK, and p-P38 than APS-2II in insulin resistance (IR)-HepG2 cells. Furthermore, APS-1I treatment couldn't further decrease the inhibition on the phosphorylation of JNK and P38 produced by RAGE siRNA in IR-HepG2 cells. In vivo, APS-1I markedly improved IR and reversed the livers RAGE-JNK/p38-IRS signaling in high-fat-diet and streptozotocin-induced diabetic rats, suggesting that APS-1I could be a potential agent for improving IR in type 2 diabetes.
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Affiliation(s)
- Wenjuan Liu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Zezhi Li
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Caixia Feng
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Shengwei Hu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Xin Yang
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Kaimin Xiao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Qiuna Nong
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Qianhan Xiao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Kehan Wu
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China
| | - Xiao-Qiang Li
- Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Wei Cao
- Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China; Department of Pharmacology and Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, School of Pharmacy, Fourth Military Medical University, Xi'an, China.
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20
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Refaie MMM, El-Hussieny M, Shehata S. TLR4/NF-κB/TNFα and cAMP/SIRT1 signaling cascade involved in mediating the dose-dependent effect of cilostazol in ovarian ischemia reperfusion-induced injury. Immunopharmacol Immunotoxicol 2022; 44:338-346. [PMID: 35209787 DOI: 10.1080/08923973.2022.2043901] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND One of the most dangerous gynecological emergencies is ovarian ischemia that commonly occurs during surgical manipulation or presence of ovarian masses. OBJECTIVES finding new therapies to prevent the associated harmful effects of ischemia/reperfusion-induced damage is still a critical need. For the first time, we aimed to evaluate the possible role of phosphodiesterase (PDE) 3 A inhibitor (PDEI), cilostazol (CLZ) in the treatment of ovarian ischemia reperfusion induced damage (OIR). METHODS Rats were divided into five groups; sham, OIR group; CLZ (5, 10, 20 mg/kg) was given orally with induced OIR. Different biochemical parameters were detected such as total anti-oxidant capacity (TAC), reduced glutathione (GSH), malondialdehyde (MDA), cyclic adenosine monophosphate (cAMP), sirtuin1 (SIRT1), toll like receptor 4 (TLR4), nuclear factor kappa b (NF-κB) and tumor necrosis factor alpha (TNFα). In addition, histopathological features, ovarian weight changes and casapse3 immunoexpression were detected. RESULTS Data revealed significant increase in ovarian weight changes, MDA, TLR4, TNFα, NF-κB and caspase 3 expressions in OIR induced group. Moreover, OIR group had histopathological features of ovarian damage with depletion of cAMP, SIRT1, TAC and GSH. CONCLUSION CLZ could ameliorate OIR-induced damage due to PDE inhibition, anti-oxidant, anti-inflammatory and anti-apoptotic properties with modulation of TLR4/NF-κB/TNFα and cAMP/SIRT1 signaling pathways.
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Affiliation(s)
- Marwa M M Refaie
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia, Egypt
| | - Maram El-Hussieny
- Department of Pathology, Faculty of Medicine, Minia University, El-Minia, Egypt
| | - Sayed Shehata
- Department of Cardiology, Faculty of Medicine, Minia University, El-Minia, Egypt
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21
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Mao L, Yin R, Yang L, Zhao D. Role of advanced glycation end products on vascular smooth muscle cells under diabetic atherosclerosis. Front Endocrinol (Lausanne) 2022; 13:983723. [PMID: 36120471 PMCID: PMC9470882 DOI: 10.3389/fendo.2022.983723] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Atherosclerosis (AS) is a chronic inflammatory disease and leading cause of cardiovascular diseases. The progression of AS is a multi-step process leading to high morbidity and mortality. Hyperglycemia, dyslipidemia, advanced glycation end products (AGEs), inflammation and insulin resistance which strictly involved in diabetes are closely related to the pathogenesis of AS. A growing number of studies have linked AGEs to AS. As one of the risk factors of cardiac metabolic diseases, dysfunction of VSMCs plays an important role in AS pathogenesis. AGEs are increased in diabetes, participate in the occurrence and progression of AS through multiple molecular mechanisms of vascular cell injury. As the main functional cells of vascular, vascular smooth muscle cells (VSMCs) play different roles in each stage of atherosclerotic lesions. The interaction between AGEs and receptor for AGEs (RAGE) accelerates AS by affecting the proliferation and migration of VSMCs. In addition, increasing researches have reported that AGEs promote osteogenic transformation and macrophage-like transformation of VSMCs, and affect the progression of AS through other aspects such as autophagy and cell cycle. In this review, we summarize the effect of AGEs on VSMCs in atherosclerotic plaque development and progression. We also discuss the AGEs that link AS and diabetes mellitus, including oxidative stress, inflammation, RAGE ligands, small noncoding RNAs.
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Affiliation(s)
| | | | | | - Dong Zhao
- *Correspondence: Longyan Yang, ; Dong Zhao,
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22
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Refaie MMM, Ahmed Ibrahim R, Shehata S. Dose dependent effect of cilostazol in induced testicular ischemia reperfusion via modulation of HIF/VEGF and cAMP/SIRT1 pathways. Int Immunopharmacol 2021; 101:108197. [PMID: 34626874 DOI: 10.1016/j.intimp.2021.108197] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/12/2021] [Accepted: 09/23/2021] [Indexed: 11/26/2022]
Abstract
Twisting of the spermatic cord is a common dangerous health problem that may be accompanied with testicular necrosis and infertility. Cilostazol (CLZ) is a selective phosphodiesterase (PDE) 3A inhibitor used for treatment of intermittent claudication. It has a great role in myocardial, spinal cord and hepatic ischaemia/reperfusion. However, till now, there are no researches evaluating its role in testicular ischaemia/reperfusion (TIR). The current work studies its capability to improve TIR induced injury with more concentration on the mechanisms involved in such effect. Four groups of animals were included: sham, TIR induced group, TIR plus CLZ low dose (10 mg/kg), TIR plus CLZ high dose (30 mg/kg). Our results proved that TIR had significant decrease of the serum ELISA of testosterone, marked disturbances in oxidative stress evaluated parameters as malondialdehyde (MDA), reduced glutathione (GSH), total antioxidant capacity (TAC), ELISA measurement of tumor necrosis factor alpha (TNFα) and interleukin 1 beta (IL1β) inflammatory mediators, apoptotic marker (caspase3) using western blotting, immunohistochemistry of hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF). TIR reduced the protective agents as cyclic adenosine monophosphate (cAMP) and sirtuin-1 (SIRT1) by ELISA method with marked germinal cell apoptosis. The biochemical results were confirmed by the histopathological findings that showed marked decrease in both Johnsen's score and Cosentino's score. However, treatment with CLZ significantly reversed the profound TIR damaging effects, on the basis of its anti-inflammatory, anti-oxidant, and anti-apoptotic activities with recuperation of the testicular vascularity. Modulation of HIF/VEGF and cAMP/SIRT1 pathways showed a great role in mediating such effect.
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Affiliation(s)
- Marwa M M Refaie
- Department of Pharmacology, Faculty of Medicine, Minia University, 61511 El-Minia, Egypt.
| | - Randa Ahmed Ibrahim
- Department of Histology and Cell Biology, Faculty of Medicine, Minia University, 61511 El-Minia, Egypt
| | - Sayed Shehata
- Department of Cardiology, Faculty of Medicine, Minia University, 61511 El-Minia, Egypt
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23
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Zhang L, Jiang X, Liu N, Li M, Kang J, Chen L, Tang J, Dong S, Lu F, Zhang W. Exogenous H 2 S prevents the nuclear translocation of PDC-E1 and inhibits vascular smooth muscle cell proliferation in the diabetic state. J Cell Mol Med 2021; 25:8201-8214. [PMID: 34418283 PMCID: PMC8419187 DOI: 10.1111/jcmm.16688] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 05/06/2021] [Accepted: 05/08/2021] [Indexed: 12/31/2022] Open
Abstract
Hydrogen sulphide (H2S) inhibits vascular smooth muscle cell (VSMC) proliferation induced by hyperglycaemia and hyperlipidaemia; however, the mechanisms are unclear. Here, we observed lower H2S levels and higher expression of the proliferation‐related proteins PCNA and cyclin D1 in db/db mouse aortae and vascular smooth muscle cells treated with 40 mmol/L glucose and 500 μmol/L palmitate, whereas exogenous H2S decreased PCNA and cyclin D1 expression. The nuclear translocation of mitochondrial pyruvate dehydrogenase complex‐E1 (PDC‐E1) was significantly increased in VSMCs treated with high glucose and palmitate, and it increased the level of acetyl‐CoA and histone acetylation (H3K9Ac). Exogenous H2S inhibited PDC‐E1 translocation from the mitochondria to the nucleus because PDC‐E1 was modified by S‐sulfhydration. In addition, PDC‐E1 was mutated at Cys101. Overexpression of PDC‐E1 mutated at Cys101 increased histone acetylation (H3K9Ac) and VSMC proliferation. Based on these findings, H2S regulated PDC‐E1 S‐sulfhydration at Cys101 to prevent its translocation from the mitochondria to the nucleus and to inhibit VSMC proliferation under diabetic conditions.
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Affiliation(s)
- Linxue Zhang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Xiaoshu Jiang
- Department of Functional experiment center, Harbin Medical University, Harbin, China
| | - Ning Liu
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Mingyu Li
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Jiaxin Kang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Lingxue Chen
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Jingyuan Tang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Shiyun Dong
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Fanghao Lu
- Department of Pathophysiology, Harbin Medical University, Harbin, China
| | - Weihua Zhang
- Department of Pathophysiology, Harbin Medical University, Harbin, China
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Methylglyoxal-Derived Advanced Glycation End Product (AGE4)-Induced Apoptosis Leads to Mitochondrial Dysfunction and Endoplasmic Reticulum Stress through the RAGE/JNK Pathway in Kidney Cells. Int J Mol Sci 2021; 22:ijms22126530. [PMID: 34207084 PMCID: PMC8235496 DOI: 10.3390/ijms22126530] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 12/17/2022] Open
Abstract
Advanced glycation end products (AGEs) are formed via nonenzymatic reactions between reducing sugars and proteins. Recent studies have shown that methylglyoxal, a potent precursor for AGEs, causes a variety of biological dysfunctions, including diabetes, inflammation, renal failure, and cancer. However, little is known about the function of methylglyoxal-derived AGEs (AGE4) in kidney cells. Therefore, we verified the expression of endoplasmic reticulum (ER) stress-related genes and apoptosis markers to determine the effects of AGE4 on human proximal epithelial cells (HK-2). Moreover, our results showed that AGE4 induced the expression of apoptosis markers, such as Bax, p53, and kidney injury molecule-1, but downregulated Bcl-2 and cyclin D1 levels. AGE4 also promoted the expression of NF-κB, serving as a transcription factor, and the phosphorylation of c-Jun NH2-terminal kinase (JNK), which induced cell apoptosis and ER stress mediated by the JNK inhibitor. Furthermore, AGE4 induced mitochondrial dysfunction by inducing the permeabilization of the mitochondrial membrane and ATP synthesis. Through in vitro and in vivo experiments, this study provides a new perspective on renal dysfunction with regard to the AGE4-induced RAGE /JNK signaling pathway, which leads to renal cell apoptosis via the imbalance of mitochondrial function and ER stress in kidney damage.
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25
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Burr SD, Stewart JA. Rap1a Overlaps the AGE/RAGE Signaling Cascade to Alter Expression of α-SMA, p-NF-κB, and p-PKC-ζ in Cardiac Fibroblasts Isolated from Type 2 Diabetic Mice. Cells 2021; 10:cells10030557. [PMID: 33806572 PMCID: PMC8000763 DOI: 10.3390/cells10030557] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/28/2021] [Accepted: 02/28/2021] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular disease, specifically heart failure, is a common complication for individuals with type 2 diabetes mellitus. Heart failure can arise with stiffening of the left ventricle, which can be caused by “active” cardiac fibroblasts (i.e., myofibroblasts) remodeling the extracellular matrix (ECM). Differentiation of fibroblasts to myofibroblasts has been demonstrated to be an outcome of AGE/RAGE signaling. Hyperglycemia causes advanced glycated end products (AGEs) to accumulate within the body, and this process is greatly accelerated under chronic diabetic conditions. AGEs can bind and activate their receptor (RAGE) to trigger multiple downstream outcomes, such as altering ECM remodeling, inflammation, and oxidative stress. Previously, our lab has identified a small GTPase, Rap1a, that possibly overlaps the AGE/RAGE signaling cascade to affect the downstream outcomes. Rap1a acts as a molecular switch connecting extracellular signals to intracellular responses. Therefore, we hypothesized that Rap1a crosses the AGE/RAGE cascade to alter the expression of AGE/RAGE associated signaling proteins in cardiac fibroblasts in type 2 diabetic mice. To delineate this cascade, we used genetically different cardiac fibroblasts from non-diabetic, diabetic, non-diabetic RAGE knockout, diabetic RAGE knockout, and Rap1a knockout mice and treated them with pharmacological modifiers (exogenous AGEs, EPAC, Rap1a siRNA, and pseudosubstrate PKC-ζ). We examined changes in expression of proteins implicated as markers for myofibroblasts (α-SMA) and inflammation/oxidative stress (NF-κB and SOD-1). In addition, oxidative stress was also assessed by measuring hydrogen peroxide concentration. Our results indicated that Rap1a connects to the AGE/RAGE cascade to promote and maintain α-SMA expression in cardiac fibroblasts. Moreover, Rap1a, in conjunction with activation of the AGE/RAGE cascade, increased NF-κB expression as well as hydrogen peroxide concentration, indicating a possible oxidative stress response. Additionally, knocking down Rap1a expression resulted in an increase in SOD-1 expression suggesting that Rap1a can affect oxidative stress markers independently of the AGE/RAGE signaling cascade. These results demonstrated that Rap1a contributes to the myofibroblast population within the heart via AGE/RAGE signaling as well as promotes possible oxidative stress. This study offers a new potential therapeutic target that could possibly reduce the risk for developing diabetic cardiovascular complications attributed to AGE/RAGE signaling.
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Motta NAV, Autran LJ, Brazão SC, Lopes RDO, Scaramello CBV, Lima GF, Brito FCFD. Could cilostazol be beneficial in COVID-19 treatment? Thinking about phosphodiesterase-3 as a therapeutic target. Int Immunopharmacol 2021; 92:107336. [PMID: 33418248 PMCID: PMC7768212 DOI: 10.1016/j.intimp.2020.107336] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 11/25/2020] [Accepted: 12/22/2020] [Indexed: 01/25/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19) that has emerged and rapidly spread across the world. The COVID-19 severity is associated to viral pneumonia with additional extrapulmonary complications. Hyperinflammation, dysfunctional immune response and hypercoagulability state are associated to poor prognosis. Therefore, the repositioning of multi-target drugs to control the hyperinflammation represents an important challenge for the scientific community. Cilostazol, a selective phosphodiesterase type-3 inhibitor (PDE-3), is an antiplatelet and vasodilator drug, that presents a range of pleiotropic effects, such as antiapoptotic, anti-inflammatory, antioxidant, and cardioprotective activities. Cilostazol also can inhibit the adenosine uptake, which enhances intracellular cAMP levels. In the lungs, elevated cAMP promotes anti-fibrotic, vasodilator, antiproliferative effects, as well as mitigating inflammatory events. Interestingly, a recent study evaluated antiplatelet FDA-approved drugs through molecular docking-based virtual screening on viral target proteins. This study revealed that cilostazol is a promising drug against COVID-19 by inhibiting both main protease (Mpro) and Spike glycoprotein, reinforcing its use as a promising therapeutic approach for COVID-19. Considering the complexity associated to COVID-19 pathophysiology and observing its main mechanisms, this article raises the hypothesis that cilostazol may act on important targets in development of the disease. This review highlights the importance of drug repurposing to address such an urgent clinical demand safely, effectively and at low cost, reinforcing the main pharmacological actions, to support the hypothesis that a multi-target drug such as cilostazol could play an important role in the treatment of COVID-19.
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Affiliation(s)
- Nadia Alice Vieira Motta
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Lis Jappour Autran
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Stephani Correia Brazão
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Rosane de Oliveira Lopes
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Christianne Brêtas Vieira Scaramello
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Gabriel Ferreira Lima
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil
| | - Fernanda Carla Ferreira de Brito
- Laboratory of Experimental Pharmacology (LAFE), Department of Physiology and Pharmacology, Biomedical Institute, Fluminense Federal University (UFF), Room 204-A, 24420-210 Niterói, RJ, Brazil,Corresponding author
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Deng L, Du C, Song P, Chen T, Rui S, Armstrong DG, Deng W. The Role of Oxidative Stress and Antioxidants in Diabetic Wound Healing. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8852759. [PMID: 33628388 PMCID: PMC7884160 DOI: 10.1155/2021/8852759] [Citation(s) in RCA: 188] [Impact Index Per Article: 62.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 12/29/2020] [Indexed: 12/16/2022]
Abstract
Foot ulcers are one of the most common and severe complication of diabetes mellitus with significant resultant morbidity and mortality. Multiple factors impair wound healing include skin injury, diabetic neuropathy, ischemia, infection, inadequate glycemic control, poor nutritional status, and severe morbidity. It is currently believed that oxidative stress plays a vital role in diabetic wound healing. An imbalance of free radicals and antioxidants in the body results in overproduction of reactive oxygen species which lead to cell, tissue damage, and delayed wound healing. Therefore, decreasing ROS levels through antioxidative systems may reduce oxidative stress-induced damage to improve healing. In this context, we provide an update on the role of oxidative stress and antioxidants in diabetic wound healing through following four perspectives. We then discuss several therapeutic strategies especially dietary bioactive compounds by targeting oxidative stress to improve wounds healing.
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Affiliation(s)
- Liling Deng
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
| | - Chenzhen Du
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
| | - Peiyang Song
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
| | - Tianyi Chen
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
| | - Shunli Rui
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
| | - David G. Armstrong
- Department of Surgery, Keck School of Medicine of the University of Southern California, CA, USA
| | - Wuquan Deng
- Department of Endocrinology, Multidisciplinary Diabetic Foot Medical Center, Chongqing Emergency Medical Center, Chongqing University Central Hospital, Chongqing 400014, China
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Wang XB, Cui NH, Liu X, Liu X. Joint effects of mitochondrial DNA4977 deletion and serum folate deficiency on coronary artery disease in type 2 diabetes mellitus. Clin Nutr 2020; 39:3771-3778. [DOI: 10.1016/j.clnu.2020.04.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/05/2020] [Accepted: 04/07/2020] [Indexed: 02/08/2023]
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Chian CW, Lee YS, Lee YJ, Chen YH, Wang CP, Lee WC, Lee HJ. Cilostazol ameliorates diabetic nephropathy by inhibiting highglucose- induced apoptosis. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2020; 24:403-412. [PMID: 32830147 PMCID: PMC7445481 DOI: 10.4196/kjpp.2020.24.5.403] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 06/09/2020] [Accepted: 07/21/2020] [Indexed: 12/16/2022]
Abstract
Diabetic nephropathy (DN) is a hyperglycemia-induced progressive development of renal insufficiency. Excessive glucose can increase mitochondrial reactive oxygen species (ROS) and induce cell damage, causing mitochondrial dysfunction. Our previous study indicated that cilostazol (CTZ) can reduce ROS levels and decelerate DN progression in streptozotocin (STZ)-induced type 1 diabetes. This study investigated the potential mechanisms of CTZ in rats with DN and in high glucose-treated mesangial cells. Male Sprague-Dawley rats were fed 5 mg/kg/day of CTZ after developing STZ-induced diabetes mellitus. Electron microscopy revealed that CTZ reduced the thickness of the glomerular basement membrane and improved mitochondrial morphology in mesangial cells of diabetic kidney. CTZ treatment reduced excessive kidney mitochondrial DNA copy numbers induced by hyperglycemia and interacted with the intrinsic pathway for regulating cell apoptosis as an antiapoptotic mechanism. In high-glucose-treated mesangial cells, CTZ reduced ROS production, altered the apoptotic status, and down-regulated transforming growth factor beta (TGF-β) and nuclear factor kappa light chain enhancer of activated B cells (NF-κB). Base on the results of our previous and current studies, CTZ deceleration of hyperglycemia-induced DN is attributable to ROS reduction and thereby maintenance of the mitochondrial function and reduction in TGF-β and NF-κB levels.
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Affiliation(s)
- Chien-Wen Chian
- Division of Nephrology, Department of Paediatrics, Changhua Christian Hospital, Changhua 500, Taiwan
| | - Yung-Shu Lee
- Department of Urology, Taipei City Hospital, Taipei 10341, Taiwan
| | - Yi-Ju Lee
- Department of Pathology, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
| | - Ya-Hui Chen
- Department of Medical Research, Changhua Christian Hospital, Changhua 500, Taiwan
| | - Chi-Ping Wang
- Department of Clinical Biochemistry, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
| | - Wen-Chin Lee
- Division of Nephropathy, Department of Internal Medicine, Chang Bing Show-Chwan Memborial Hospital, Changhua 505, Taiwan
| | - Huei-Jane Lee
- Department of Clinical Biochemistry, Chung Shan Medical University Hospital, Taichung 40221, Taiwan
- Institute of Biochemistry, Microbiology and Immunology, Medical College, Chung Shan Medical University, Taichung 40221, Taiwan
- Department of Biochemistry, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40221, Taiwan
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Shi J, Yang Y, Cheng A, Xu G, He F. Metabolism of vascular smooth muscle cells in vascular diseases. Am J Physiol Heart Circ Physiol 2020; 319:H613-H631. [PMID: 32762559 DOI: 10.1152/ajpheart.00220.2020] [Citation(s) in RCA: 147] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Vascular smooth muscle cells (VSMCs) are the fundamental component of the medial layer of arteries and are essential for arterial physiology and pathology. It is becoming increasingly clear that VSMCs can alter their metabolism to fulfill the bioenergetic and biosynthetic requirements. During vascular injury, VSMCs switch from a quiescent "contractile" phenotype to a highly migratory and proliferative "synthetic" phenotype. Recent studies have found that the phenotype switching of VSMCs is driven by a metabolic switch. Metabolic pathways, including aerobic glycolysis, fatty acid oxidation, and amino acid metabolism, have distinct, indispensable roles in normal and dysfunctional vasculature. VSMCs metabolism is also related to the metabolism of endothelial cells. In the present review, we present a brief overview of VSMCs metabolism and how it regulates the progression of several vascular diseases, including atherosclerosis, systemic hypertension, diabetes, pulmonary hypertension, vascular calcification, and aneurysms, and the effect of the risk factors for vascular disease (aging, cigarette smoking, and excessive alcohol drinking) on VSMC metabolism to clarify the role of VSMCs metabolism in the key pathological process.
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Affiliation(s)
- Jia Shi
- Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yi Yang
- Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Anying Cheng
- Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Xu
- Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fan He
- Department of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Lin C, Zhang LJ, Li B, Zhang F, Shen QR, Kong GQ, Wang XF, Cui SH, Dai R, Cao WQ, Zhang P. Selenium-Containing Protein From Selenium-Enriched Spirulina platensis Attenuates High Glucose-Induced Calcification of MOVAS Cells by Inhibiting ROS-Mediated DNA Damage and Regulating MAPK and PI3K/AKT Pathways. Front Physiol 2020; 11:791. [PMID: 32733280 PMCID: PMC7363841 DOI: 10.3389/fphys.2020.00791] [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: 03/30/2020] [Accepted: 06/15/2020] [Indexed: 01/29/2023] Open
Abstract
Hyperglycemia is the main feature of diabetes and may increase the risk of vascular calcification (VC), which is an independent predictor for cardiovascular and cerebrovascular diseases (CCD). Selenium (Se) may decrease the risk of CCD, and previous studies confirmed that Se-containing protein from Se-enriched Spirulina platensis (Se-SP) exhibited novel antioxidant potential. However, the effect of Se-SP against VC has been not investigated. Herein, the protective effect and underlying mechanism of Se-SP against high glucose-induced calcification in mouse aortic vascular smooth muscle cells (MOVAS) were explored. Inductively coupled plasma atomic emission spectroscopy (ICP-AES) results showed time-dependent uptake of Se-SP in MOVAS cells, which significantly inhibited high glucose-induced abnormal proliferation. Se-SP co-treatment also effectively attenuated high glucose-induced calcification of MOVAS cells, followed by decreased activity and expression of alkaline phosphatase (ALP). Further investigation revealed that Se-SP markedly prevented reactive oxygen species (ROS)-mediated DNA damage in glucose-treated MOVAS cells. ROS inhibition by glutathione (GSH) effectively inhibited high glucose-induced calcification, indicating that Se-SP could act as ROS inhibitor to inhibit high glucose-induced DNA damage and calcification. Moreover, Se-SP dramatically attenuated high glucose-induced dysfunction of mitogen-activated protein kinases (MAPKs) and phosphatidylinositol-3-kinase/AKT (PI3K/AKT) pathways. Se-SP after Se addition achieved enhanced potential in inhibiting high glucose-induced calcification, which validated that Se-SP as a new Se species could be a highly effective treatment for human CCD.
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Affiliation(s)
- Cong Lin
- Department of Cardiology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Li-Jun Zhang
- Department of Neurology, People's Hospital of Linyi Affiliated to Qingdao University, Linyi, China
| | - Bo Li
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Feng Zhang
- Physical Examination Center, Taian City Central Hospital, Taian, China
| | - Qing-Rong Shen
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Guo-Qing Kong
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Xiao-Fan Wang
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Shou-Hong Cui
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Rong Dai
- Department of Emergency, Taian City Central Hospital, Taian, China
| | - Wen-Qiang Cao
- Department of Biotechnology, Zhuhai Hopegenes Medical and Phamaceutical Institute, Zhuhai, China
| | - Pu Zhang
- Department of Cardiovascular Medicine, Taian City Central Hospital, Taian, China
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Xie T, Wang C, Jin Y, Meng Q, Liu Q, Wu J, Sun H. CoenzymeQ10-Induced Activation of AMPK-YAP-OPA1 Pathway Alleviates Atherosclerosis by Improving Mitochondrial Function, Inhibiting Oxidative Stress and Promoting Energy Metabolism. Front Pharmacol 2020; 11:1034. [PMID: 32792941 PMCID: PMC7387644 DOI: 10.3389/fphar.2020.01034] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 06/25/2020] [Indexed: 12/14/2022] Open
Abstract
Atherosclerosis (AS) is an excessive chronic inflammatory hyperplasia caused by the damage of vascular endothelial cell morphology and function. Changes in mitochondrial internal conformation and increase of reactive oxygen species (ROS) can lead to energy metabolism disorders in mitochondria, which further affects the occurrence of atherosclerosis by impairing vascular endothelial function. Coenzyme Q10 (CoQ10) is one of the components of mitochondrial respiratory chain, which has the functions of electron transfer, reducing oxidative stress damage, improving mitochondrial function and promoting energy metabolism. The main purpose of this study is to investigate the protective effects of CoQ10 against AS by improving mitochondrial energy metabolism. Both in high fat diet (HFD) fed APOE -/- mice and in ox-LDL-treated HAECs, CoQ10 significantly decreased the levels of TG, TC and LDL-C and increased the levels of HDL-C, thus playing a role in regulating lipid homeostasis. Meanwhile, CoQ10 decreased the levels of LDH and MDA and increased the levels of SOD and GSH, thus playing a role in regulating oxidation level. CoQ10 also inhibited the over-release of ROS and increased ATP content to improve mitochondrial function. CoQ10 also decreased the levels of related inflammatory factors (ICAM-1, VCAM-1, IL-6, TNF-α and NLRP3). In order to study the mechanism of the experiment, AMPK and YAP were silenced in vitro. The further study suggested AMPK small interfering RNA (siRNA) and YAP small interfering RNA (siRNA) affected the expression of OPA1, a crucial protein regulating the balance of mitochondrial fusion and division and decreased the therapeutic effects of CoQ10. These results indicated that CoQ10 improved mitochondrial function, inhibited ROS production, promoted energy metabolism and attenuated AS by activating AMPK-YAP-OPA1 pathway. This study provides a possible new mechanism for CoQ10 in the treatment of AS and may bring a new hope for the prevention and treatment of AS in the future.
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Affiliation(s)
- Tianqi Xie
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Changyuan Wang
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Yue Jin
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Qiang Meng
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Qi Liu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Jingjing Wu
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China
| | - Huijun Sun
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, China.,Academy of Integrative Medicine, Dalian Medical University, Dalian, China
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Sanders O, Rajagopal L. Phosphodiesterase Inhibitors for Alzheimer's Disease: A Systematic Review of Clinical Trials and Epidemiology with a Mechanistic Rationale. J Alzheimers Dis Rep 2020; 4:185-215. [PMID: 32715279 PMCID: PMC7369141 DOI: 10.3233/adr-200191] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/17/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Preclinical studies, clinical trials, and reviews suggest increasing 3',5'-cyclic adenosine monophosphate (cAMP) and 3',5'-cyclic guanosine monophosphate (cGMP) with phosphodiesterase inhibitors is disease-modifying in Alzheimer's disease (AD). cAMP/protein kinase A (PKA) and cGMP/protein kinase G (PKG) signaling are disrupted in AD. cAMP/PKA and cGMP/PKG activate cAMP response element binding protein (CREB). CREB binds mitochondrial and nuclear DNA, inducing synaptogenesis, memory, and neuronal survival gene (e.g., brain-derived neurotrophic factor) and peroxisome proliferator-activated receptor-γ coactivator-1α (PGC1α). cAMP/PKA and cGMP/PKG activate Sirtuin-1, which activates PGC1α. PGC1α induces mitochondrial biogenesis and antioxidant genes (e.g.,Nrf2) and represses BACE1. cAMP and cGMP inhibit BACE1-inducing NFκB and tau-phosphorylating GSK3β. OBJECTIVE AND METHODS We review efficacy-testing clinical trials, epidemiology, and meta-analyses to critically investigate whether phosphodiesteraseinhibitors prevent or treat AD. RESULTS Caffeine and cilostazol may lower AD risk. Denbufylline and sildenafil clinical trials are promising but preliminary and inconclusive. PF-04447943 and BI 409,306 are ineffective. Vinpocetine, cilostazol, and nicergoline trials are mixed. Deprenyl/selegiline trials show only short-term benefits. Broad-spectrum phosphodiesterase inhibitor propentofylline has been shown in five phase III trials to improve cognition, dementia severity, activities of daily living, and global assessment in mild-to-moderate AD patients on multiple scales, including the ADAS-Cogand the CIBIC-Plus in an 18-month phase III clinical trial. However, two books claimed based on a MedScape article an 18-month phase III trial failed, so propentofylline was discontinued. Now, propentofylline is used to treat canine cognitive dysfunction, which, like AD, involves age-associated wild-type Aβ deposition. CONCLUSION Phosphodiesterase inhibitors may prevent and treat AD.
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Pei X, Meng S, Gou C, Du Q. [Expression of high mobility group protein B1 in periodontal tissues and its association with hepatic lipid metabolism in diabetic rats with periodontitis]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2020; 40:6-12. [PMID: 32376562 DOI: 10.12122/j.issn.1673-4254.2020.01.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To investigate the expression of high mobility group box-1 protein (HMGB1) and its downstream products, receptor for advanced glycation end-products (RAGE) and tumor necrosis factor-α (TNF-α), in periodontal tissues of diabetic rats with periodontitis, and explore the association of HMGB1 with hepatic lipid metabolism. METHODS Immunohistochemical staining was used to detect the expression of HMGB1, RAGE and TNF-α in the periodontal tissues in rat models of diabetes mellitus (DM), periodontitis (CP), and diabetic periodontitis (DM + CP). The serum levels of the indicators of lipid metabolism and biochemical indexes of liver damage were detected by spectroscopy. RESULTS The expressions of HMGB1 and RAGE in the periodontal tissues were significantly higher in DM group than in the control group, but the expression of TNF-α showed no significant difference among the groups. In CP group, the expressions of HMGB1 and TNF-α were significantly higher than those in the control group, and the expression of RAGE was comparable with that in the control group but significantly lower than that in DM and DM+CP group. The expressions of HMGB1, RAGE and TNF-α were all significantly higher in DM+CP group than in the control group. Compared with the control rats, the rats in DM, CP, DM+CP group all showed abnormal hepatic lipid metabolism with significantly elevated serum ALT levels. CONCLUSIONS HMGB1 and RAGE participate in the inflammation of the periodontal tissues in diabetic rats. Diabetes leads to elevated expression of HMGB1 in the periodontal tissues. Both periodontitis and hyperglycemia contribute to liver metabolic dysfunction. HMGB1- RAGE provides clues in the study of signaling pathways underlying the mutual susceptibility of diabetes and periodontitis.
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Affiliation(s)
- Xinfo Pei
- Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.,Department of Stomatology, Xinhua Hospital Affiliated To Shanghai Jiaotong University, Shanghai 200092, China
| | - Shu Meng
- Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.,State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Ce Gou
- West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Qin Du
- Department of Stomatology, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu 610072, China.,School of Medicine, University of Electronic Science and Technology, Chengdu 610054, China
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