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Liu J, Gong H, Quan J, Tian L, Zhang Q, Liu J, Zhang D, Liu J. Hepatic Sinusoid Capillarizate via IGTAV/FAK Pathway Under High Glucose. Appl Biochem Biotechnol 2024; 196:1241-1254. [PMID: 37382792 DOI: 10.1007/s12010-023-04605-8] [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] [Accepted: 06/19/2023] [Indexed: 06/30/2023]
Abstract
The incidence of diabetic patients with non-alcoholic fatty liver disease (NAFLD) is continuously increasing worldwide. However, the specific mechanisms of NAFLD patients with diabetes are still not clear. Recent studies have indicated that integrins play an important role in NAFLD. In this study, we considered the relationship between integrin αv (IGTAV)/FAK pathway and sinusoidal capillarization. We investigated the difference between the expression of IGTAV, laminin (LN), focal adhesion kinase (FAK), and phosphor-FAK protein in human liver sinusoidal endothelial cells (HLSECs) to explore the specific mechanisms of the diseases of NAFLD with diabetes under high glucose. We cultured and identified the HLSECs and constructed the recombinant lentivirus vector with IGTAV shRNA by quantitative real-time PCR (qRT-PCR) to silence the IGTAV gene. Cells were divided into groups of 25 mmol/L glucose and 25 mmol/L mannitol. We measured the protein levels of IGTAV, LN, FAK, and phosphor-FAK by western blot at 2 h, 6 h, and 12 h before and after IGTAV gene silencing. The lentivirus vector was successfully constructed with IGTAV shRNA. The HLSECs under high glucose were observed by scanning electron microscope. SPSS19.0 was used for statistical analysis. High glucose significantly increased the expression of IGTAV, LN, and phosphor-FAK protein in HLSECs; the shRNA IGTAV could effectively inhibit the expression of phosphor-FAK and LN at 2 h and 6 h. Inhibition of the phosphor-FAK could effectively decrease the expression of LN in HLSECs at 2 h and 6 h under high glucose. Inhibition of IGTAV gene of HLSECs under high glucose could improve hepatic sinus capillarization. Inhibition of IGTAV and phosphor-FAK decreased the expression of LN. High glucose led to hepatic sinus capillarization via IGTAV/ FAK pathway.
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Affiliation(s)
- Jia Liu
- The First Clinical College of Lanzhou University, Lanzhou, 730000, Gansu province, China
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China
| | - Hengjiang Gong
- Department of General Practice, The First Hospital of Lanzhou University, Lanzhou city, 730000, Gansu province, China
| | - Jinxing Quan
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China
| | - Limin Tian
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China
| | - Qi Zhang
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China
| | - Juxiang Liu
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China
| | - Dongquan Zhang
- Department of Intensive Care, Gansu Provincial Hospital, Lanzhou city, 730000, Gansu province, China
| | - Jing Liu
- The First Clinical College of Lanzhou University, Lanzhou, 730000, Gansu province, China.
- Department of Endocrinology, Gansu Provincial Hospital, Donggang west Road 160, Lanzhou city, 730000, Gansu province, China.
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Chen Y, Wan G, Li Z, Liu X, Zhao Y, Zou L, Liu W. Endothelial progenitor cells in pregnancy-related diseases. Clin Sci (Lond) 2023; 137:1699-1719. [PMID: 37986615 PMCID: PMC10665129 DOI: 10.1042/cs20230853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/09/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
Abstract
Placental neovascularization plays a crucial role in fetomaternal circulation throughout pregnancy and is dysregulated in several pregnancy-related diseases, including preeclampsia, gestational diabetes mellitus, and fetal growth restriction. Endothelial progenitor cells (EPCs) are a heterogeneous population of cells that differentiate into mature endothelial cells, which influence vascular homeostasis, neovascularization, and endothelial repair. Since their discovery in 1997 by Asahara et al., the role of EPCs in vascular biology has garnered a lot of interest. However, although pregnancy-related conditions are associated with changes in the number and function of EPCs, the reported findings are conflicting. This review discusses the discovery, isolation, and classification of EPCs and highlights discrepancies between current studies. Overviews of how various diseases affect the numbers and functions of EPCs, the role of EPCs as biomarkers of pregnancy disorders, and the potential therapeutic applications involving EPCs are also provided.
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Affiliation(s)
- Yangyang Chen
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Gui Wan
- Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Zeyun Li
- The First Clinical School of Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoxia Liu
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yin Zhao
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Li Zou
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Weifang Liu
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Hao D, Liu R, Fernandez TG, Pivetti C, Jackson JE, Kulubya ES, Jiang HJ, Ju HY, Liu WL, Panitch A, Lam KS, Leach JK, Farmer DL, Wang A. A bioactive material with dual integrin-targeting ligands regulates specific endogenous cell adhesion and promotes vascularized bone regeneration in adult and fetal bone defects. Bioact Mater 2023; 20:179-193. [PMID: 35663336 PMCID: PMC9160290 DOI: 10.1016/j.bioactmat.2022.05.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 05/19/2022] [Accepted: 05/19/2022] [Indexed: 12/18/2022] Open
Abstract
Significant progress has been made in designing bone materials capable of directing endogenous cells to promote vascularized bone regeneration. However, current strategies lack regulation of the specific endogenous cell populations for vascularized bone regeneration, thus leading to adverse tissue formation and decreased regenerative efficiency. Here, we engineered a biomaterial to regulate endogenous cell adhesion and promote vascularized bone regeneration. The biomaterial works by presenting two synthetic ligands, LLP2A and LXW7, explicitly targeting integrins α4β1 and αvβ3, respectively, expressed on the surfaces of the cells related to bone formation and vascularization, such as mesenchymal stem cells (MSCs), osteoblasts, endothelial progenitor cells (EPCs), and endothelial cells (ECs). In vitro, the LLP2A/LXW7 modified biomaterial improved the adhesion of MSCs, osteoblasts, EPCs, and ECs via integrin α4β1 and αvβ3, respectively. In an adult rat calvarial bone defect model, the LLP2A/LXW7 modified biomaterial enhanced bone formation and vascularization by synergistically regulating endogenous cells with osteogenic and angiogenic potentials, such as DLX5+ cells, osteocalcin+ cells, CD34+/CD45- cells and CD31+ cells. In a fetal sheep spinal bone defect model, the LLP2A/LXW7 modified biomaterial augmented bone formation and vascularization without any adverse effects. This innovative biomaterial offers an off-the-shelf, easy-to-use, and biologically safe product suitable for vascularized bone regeneration in both fetal and adult disease environments. Two integrin-binding ligands for constructing vascularized bone biomaterial. Extracellular matrix (ECM)-mimicking collagen-based biomaterial with specific integrin binding sites for cell adhesion. Biomaterial regulates adhesion of endogenous stem cells with osteogenic and angiogenic potentials. Biomaterial promotes vascularized bone formation in adult and fetal bone defects without safety issues. An easy-to-make and off-the-shelf biomaterial for treatment of clinical bone diseases.
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Affiliation(s)
- Dake Hao
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, 95817, United States
| | - Ruiwu Liu
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
| | - Tomas Gonzalez Fernandez
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Christopher Pivetti
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, 95817, United States
| | - Jordan Elizabeth Jackson
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
| | - Edwin Samuel Kulubya
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
| | - Hong-Jiang Jiang
- Wendeng Orthopaedic Hospital, No. 1 Fengshan Road, Wendeng, 264400, Shandong, China
| | - Hai-Yang Ju
- Wendeng Orthopaedic Hospital, No. 1 Fengshan Road, Wendeng, 264400, Shandong, China
| | - Wen-Liang Liu
- Wendeng Orthopaedic Hospital, No. 1 Fengshan Road, Wendeng, 264400, Shandong, China
| | - Alyssa Panitch
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, United States
| | - Kit S. Lam
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
| | - J. Kent Leach
- Department of Orthopaedic Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
| | - Diana L. Farmer
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, 95817, United States
| | - Aijun Wang
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA, 95817, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, 95817, United States
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, United States
- Corresponding author. Center for Surgical Bioengineering, Department of Surgery, School of Medicine, University of California, Davis, 4625 2nd Ave., Research II, Suite 3005, Sacramento, CA, 95817, USA.
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VLA4-Enhanced Allogeneic Endothelial Progenitor Cell-Based Therapy Preserves the Aortic Valve Function in a Mouse Model of Dyslipidemia and Diabetes. Pharmaceutics 2022; 14:pharmaceutics14051077. [PMID: 35631662 PMCID: PMC9143616 DOI: 10.3390/pharmaceutics14051077] [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: 04/20/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 02/01/2023] Open
Abstract
The number and function of endothelial progenitor cells (EPCs) are reduced in diabetes, contributing to deteriorated vascular repair and the occurrence of cardiovascular complications. Here, we present the results of treating early diabetic dyslipidemic mice or dyslipidemic with disease-matched EPCs modified to overexpress VLA4 (VLA4-EPCs) as compared with the treatment of EPCs transfected with GFP (GFP-EPCs) as well as EPCs from healthy animals. Organ imaging of injected PKH26-stained cells showed little pulmonary first-pass effects and distribution in highly vascularized organs, with splenic removal from circulation, mostly in non-diabetic animals. Plasma measurements showed pronounced dyslipidemia in all animals and glycaemia indicative of diabetes in streptozotocin-injected animals. Echocardiographic measurements performed 3 days after the treatment showed significantly improved aortic valve function in animals treated with VLA4-overexpressing EPCs compared with GFP-EPCs, and similar results in the groups treated with healthy EPCs and VLA4-EPCs. Immunohistochemical analyses revealed active inflammation and remodelling in all groups but different profiles, with higher MMP9 and lower P-selectin levels in GFP-EPCs, treated animals. In conclusion, our experiments show that genetically modified allogeneic EPCs might be a safe treatment option, with bioavailability in the desired target compartments and the ability to preserve aortic valve function in dyslipidemia and diabetes.
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Manduteanu I, Simionescu D, Simionescu A, Simionescu M. Aortic valve disease in diabetes: Molecular mechanisms and novel therapies. J Cell Mol Med 2021; 25:9483-9495. [PMID: 34561944 PMCID: PMC8505854 DOI: 10.1111/jcmm.16937] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/18/2021] [Accepted: 08/23/2021] [Indexed: 12/13/2022] Open
Abstract
Valve disease and particularly calcific aortic valve disease (CAVD) and diabetes (DM) are progressive diseases constituting a global health burden for all aging societies (Progress in Cardiovascular Diseases. 2014;56(6):565: Circulation Research. 2021;128(9):1344). Compared to non‐diabetic individuals (The Lancet. 2008;371(9626):1800: The American Journal of Cardiology. 1983;51(3):403: Journal of the American College of Cardiology. 2017;69(12):1523), the diabetic patients have a significantly greater propensity for cardiovascular disorders and faster degeneration of implanted bioprosthetic aortic valves. Previously, using an original experimental model, the diabetic‐hyperlipemic hamsters, we have shown that the earliest alterations induced by these conditions occur at the level of the aortic valves and, with time these changes lead to calcifications and CAVD. However, there are no pharmacological treatments available to reverse or retard the progression of aortic valve disease in diabetes, despite the significant advances in the field. Therefore, it is critical to uncover the mechanisms of valve disease progression, find biomarkers for diagnosis and new targets for therapies. This review aims at presenting an update on the basic research in CAVD in the context of diabetes. We provide an insight into the accumulated data including our results on diabetes‐induced progressive cell and molecular alterations in the aortic valve, new potential biomarkers to assess the evolution and therapy of the disease, advancement in targeted nanotherapies, tissue engineering and the potential use of circulating endothelial progenitor cells in CAVD.
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Affiliation(s)
- Ileana Manduteanu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
| | - Dan Simionescu
- Department of Bioengineering, Clemson University, Clemson, South Carolina, USA
| | - Agneta Simionescu
- Department of Bioengineering, Clemson University, Clemson, South Carolina, USA
| | - Maya Simionescu
- Institute of Cellular Biology and Pathology "Nicolae Simionescu" of the Romanian Academy, Bucharest, Romania
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Wu Y, Fu C, Li B, Liu C, He Z, Li XE, Wang A, Ma G, Yao Y. Bradykinin Protects Human Endothelial Progenitor Cells from High-Glucose-Induced Senescence through B2 Receptor-Mediated Activation of the Akt/eNOS Signalling Pathway. J Diabetes Res 2021; 2021:6626627. [PMID: 34557552 PMCID: PMC8452971 DOI: 10.1155/2021/6626627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 04/25/2021] [Accepted: 08/10/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Circulating endothelial progenitor cells (EPCs) play important roles in vascular repair. However, the mechanisms of high-glucose- (HG-) induced cord blood EPC senescence and the role of B2 receptor (B2R) remain unknown. METHODS Cord blood samples from 26 patients with gestational diabetes mellitus (GDM) and samples from 26 healthy controls were collected. B2R expression on circulating CD34+ cells of cord blood mononuclear cells (CBMCs) was detected using flow cytometry. The plasma concentrations of 8-isoprostaglandin F2α (8-iso-PGF2α) and nitric oxide (NO) were measured. EPCs were treated with HG (40 mM) alone or with bradykinin (BK) (1 nM). The B2R and eNOS small interfering RNAs (siRNAs) and the PI3K antagonist LY294002 were added to block B2R, eNOS, and PI3K separately. To determine the number of senescent cells, senescence-associated β-galactosidase (SA-β-gal) staining was performed. The level of mitochondrial reactive oxygen species (ROS) in EPCs was assessed by Mito-Sox staining. Cell viability was evaluated by Cell Counting Kit-8 (CCK-8) assays. Mitochondrial DNA (mtDNA) copy number and the relative length of telomeres were detected by real time-PCR. The distribution of human telomerase reverse transcriptase (hTERT) in the nucleus, cytosol, and mitochondria of EPCs was detected by immunofluorescence. The expression of B2R, p16, p21, p53, P-Ser473AKT, T-AKT, eNOS, and hTERT was demonstrated by Western blot. RESULTS B2R expression on circulating CD34+ cells of CBMCs was significantly reduced in patients with GDM compared to healthy controls. Furthermore, B2R expression on circulating CD34+ cells of CBMCs was inversely correlated with plasma 8-iso-PGF2α concentrations and positively correlated with plasma NO levels. BK treatment decreased EPC senescence and ROS generation. Furthermore, BK treatment of HG-exposed cells led to elevated P-Ser473AKT and eNOS protein expression compared with HG treatment alone. BK reduced hTERT translocation in HG-induced senescent EPCs. B2R siRNA, eNOS siRNA, and antagonist of the PI3K signalling pathway blocked the protective effects of BK. CONCLUSION BK, acting through PI3K-AKT-eNOS signalling pathways, reduced hTERT translocation, increased the relative length of telomeres while reducing mtDNA copy number, and finally protected against EPC senescence induced by HG.
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Affiliation(s)
- Yuehuan Wu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Cong Fu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Bing Li
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Chang Liu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Zhi He
- Department of Clinical Laboratory, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Xing-Er Li
- Department of Clinical Science and Research, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Ailing Wang
- Department of Obstetrics, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Genshan Ma
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
| | - Yuyu Yao
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, China
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Filippi A, Constantin A, Alexandru N, Voicu G, Constantinescu CA, Rebleanu D, Fenyo M, Simionescu D, Simionescu A, Manduteanu I, Georgescu A. Integrins α4β1 and αVβ3 are Reduced in Endothelial Progenitor Cells from Diabetic Dyslipidemic Mice and May Represent New Targets for Therapy in Aortic Valve Disease. Cell Transplant 2021; 29:963689720946277. [PMID: 32841051 PMCID: PMC7563030 DOI: 10.1177/0963689720946277] [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] [Indexed: 12/15/2022] Open
Abstract
Diabetes reduces the number and induces dysfunction in circulating endothelial progenitor cells (EPCs) by mechanisms that are still uncovered. This study aims to evaluate the number, viability, phenotype, and function of EPCs in dyslipidemic mice with early diabetes mellitus and EPC infiltration in the aortic valve in order to identify possible therapeutic targets in diabetes-associated cardiovascular disease. A streptozotocin-induced diabetic apolipoprotein E knock-out (ApoE-/-) mouse model was used to identify the early and progressive changes, at 4 or 7 days on atherogenic diet after the last streptozotocin or citrate buffer injection. Blood and aortic valves from diabetic or nondiabetic ApoE-/- animals were collected.EPCs were identified as CD34 and vascular endothelial growth factor receptor 2 positive monocytes, and the expression levels of α4β1, αVβ3, αVβ5, β1, αLβ2, α5 integrins, and C-X-C chemokine receptor type 4 chemokine receptor on EPC surface were assessed by flow cytometry. The number of CD34 positive cells in the aortic valve, previously found to be recruited progenitor cells, was measured by fluorescence microscopy. Our results show that aortic valves from mice fed 7 days with atherogenic diet presented a significantly higher number of CD34 positive cells compared with mice fed only 4 days with the same diet, and diabetes reversed this finding. We also show a reduction of circulatory EPC numbers in diabetic mice caused by cell senescence and lower mobilization. Dyslipidemia induced EPC death through apoptosis regardless of the presence of diabetes, as shown by the higher percent of propidium iodide positive cells and higher cleaved caspase-3 levels. EPCs from diabetic mice expressed α4β1 and αVβ3 integrins at a lower level, while the rest of the integrins tested were unaffected by diabetes or diet. In conclusion, reduced EPC number and expression of α4β1 and αVβ3 integrins on EPCs at 4 and 7 days after diabetes induction in atherosclerosis-prone mice have resulted in lower recruitment of EPCs in the aortic valve.
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Affiliation(s)
- Alexandru Filippi
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Alina Constantin
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Nicoleta Alexandru
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Geanina Voicu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Cristina Ana Constantinescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Daniela Rebleanu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Madalina Fenyo
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | | | - Agneta Simionescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania.,2545Clemson University, Clemson SC, USA
| | - Ileana Manduteanu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
| | - Adriana Georgescu
- 199940Institute of Cellular Biology and Pathology "Nicolae Simionescu" of Romanian Academy, Bucharest, Romania
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Boakye AA, Zhang D, Guo L, Zheng Y, Hoetker D, Zhao J, Posa DK, Ng CK, Zheng H, Kumar A, Kumar V, Wempe MF, Bhatnagar A, Conklin DJ, Baba SP. Carnosine Supplementation Enhances Post Ischemic Hind Limb Revascularization. Front Physiol 2019; 10:751. [PMID: 31312142 PMCID: PMC6614208 DOI: 10.3389/fphys.2019.00751] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 05/31/2019] [Indexed: 01/12/2023] Open
Abstract
High (millimolar) concentrations of the histidine containing dipeptide - carnosine (β-alanine-L-histidine) are present in the skeletal muscle. The dipeptide has been shown to buffer intracellular pH, chelate transition metals, and scavenge lipid peroxidation products; however, its role in protecting against tissue injury remains unclear. In this study, we tested the hypothesis that carnosine protects against post ischemia by augmenting HIF-1α angiogenic signaling by Fe2+ chelation. We found that wild type (WT) C57BL/6 mice, subjected to hind limb ischemia (HLI) and supplemented with carnosine (1g/L) in drinking water, had improved blood flow recovery and limb function, enhanced revascularization and regeneration of myocytes compared with HLI mice placed on water alone. Carnosine supplementation enhanced the bioavailability of carnosine in the ischemic limb, which was accompanied by increased expression of proton-coupled oligopeptide transporters. Consistent with our hypothesis, carnosine supplementation augmented HIF-1α and VEGF expression in the ischemic limb and the mobilization of proangiogenic Flk-1+/Sca-1+ cells into circulation. Pretreatment of murine myoblast (C2C12) cells with octyl-D-carnosine or carnosine enhanced HIF-1α protein expression, VEGF mRNA levels and VEGF release under hypoxic conditions. Similarly pretreatment of WT C57/Bl6 mice with carnosine showed enhanced blood flow in the ischemic limb following HLI surgery. In contrast, pretreatment of hypoxic C2C12 cells with methylcarcinine, a carnosine analog, lacking Fe2+ chelating capacity, had no effect on HIF-1α levels and VEGF release. Collectively, these data suggest that carnosine promotes post ischemic revascularization via augmentation of pro-angiogenic HIF-1α/VEGF signaling, possibly by Fe2+ chelation.
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Affiliation(s)
- Adjoa A. Boakye
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
| | - Deqing Zhang
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Luping Guo
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Yuting Zheng
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - David Hoetker
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Jingjing Zhao
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Dheeraj Kumar Posa
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Chin K. Ng
- Department of Radiology, University of Louisville, Louisville, KY, United States
| | - Huaiyu Zheng
- Department of Radiology, University of Louisville, Louisville, KY, United States
| | - Amit Kumar
- Department of Pharmaceutical Sciences, University of Colorado, Denver, Denver, CO, United States
| | - Vijay Kumar
- Department of Pharmaceutical Sciences, University of Colorado, Denver, Denver, CO, United States
| | - Michael F. Wempe
- Department of Pharmaceutical Sciences, University of Colorado, Denver, Denver, CO, United States
| | - Aruni Bhatnagar
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Daniel J. Conklin
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
| | - Shahid P. Baba
- Diabetes and Obesity Center, University of Louisville, Louisville, KY, United States
- Department of Medicine, Envirome Institute, University of Louisville, Louisville, KY, United States
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Abplanalp W, Haberzettl P, Bhatnagar A, Conklin DJ, O'Toole TE. Carnosine Supplementation Mitigates the Deleterious Effects of Particulate Matter Exposure in Mice. J Am Heart Assoc 2019; 8:e013041. [PMID: 31234700 PMCID: PMC6662354 DOI: 10.1161/jaha.119.013041] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 05/29/2019] [Indexed: 12/11/2022]
Abstract
Background Exposure to fine airborne particulate matter ( PM 2.5) induces quantitative and qualitative defects in bone marrow-derived endothelial progenitor cells of mice, and similar outcomes in humans may contribute to vascular dysfunction and the cardiovascular morbidity and mortality associated with PM 2.5 exposure. Nevertheless, mechanisms underlying the pervasive effects of PM 2.5 are unclear and effective interventional strategies to mitigate against PM 2.5 toxicity are lacking. Furthermore, whether PM 2.5 exposure affects other types of bone marrow stem cells leading to additional hematological or immunological dysfunction is not clear. Methods and Results Mice given normal drinking water or that supplemented with carnosine, a naturally occurring, nucleophilic di-peptide that binds reactive aldehydes, were exposed to filtered air or concentrated ambient particles. Mice drinking normal water and exposed to concentrated ambient particles demonstrated a depletion of bone marrow hematopoietic stem cells but no change in mesenchymal stem cells. However, HSC depletion was significantly attenuated when the mice were placed on drinking water containing carnosine. Carnosine supplementation also increased the levels of carnosine-propanal conjugates in the urine of CAPs-exposed mice and prevented the concentrated ambient particles-induced dysfunction of endothelial progenitor cells as assessed by in vitro and in vivo assays. Conclusions These results suggest that exposure to PM 2.5 has pervasive effects on different bone marrow stem cell populations and that PM 2.5-induced hematopoietic stem cells depletion, endothelial progenitor cell dysfunction, and defects in vascular repair can be mitigated by excess carnosine. Carnosine supplementation may be a viable approach for preventing PM 2.5-induced immune dysfunction and cardiovascular injury in humans.
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Affiliation(s)
- Wesley Abplanalp
- Department of MedicineDiabetes and Obesity CenterUniversity of LouisvilleKY
| | - Petra Haberzettl
- Department of MedicineDiabetes and Obesity CenterUniversity of LouisvilleKY
- Envirome InstituteUniversity of LouisvilleKY
| | - Aruni Bhatnagar
- Department of MedicineDiabetes and Obesity CenterUniversity of LouisvilleKY
- Envirome InstituteUniversity of LouisvilleKY
| | - Daniel J. Conklin
- Department of MedicineDiabetes and Obesity CenterUniversity of LouisvilleKY
- Envirome InstituteUniversity of LouisvilleKY
| | - Timothy E. O'Toole
- Department of MedicineDiabetes and Obesity CenterUniversity of LouisvilleKY
- Envirome InstituteUniversity of LouisvilleKY
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10
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Gu X, Wang XQ, Lin MJ, Liang H, Fan SY, Wang L, Yan X, Liu W, Shen FX. Molecular interplay between microRNA-130a and PTEN in palmitic acid-mediated impaired function of endothelial progenitor cells: Effects of metformin. Int J Mol Med 2019; 43:2187-2198. [PMID: 30896786 DOI: 10.3892/ijmm.2019.4140] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 03/14/2019] [Indexed: 12/17/2022] Open
Abstract
Metformin serves an important role in improving the functions of endothelial progenitor cells (EPCs). MicroRNAs (miRNAs), small non‑coding RNAs, have been investigated as significant regulators of EPC vascular functions. The present study investigated the molecular crosstalk between metformin and miRNA‑130a (miR‑130a) in the functions of EPCs exposed to palmitic acid (PA). Isolated EPCs were treated with metformin, PA, and metformin + PA, respectively. Cell Counting Kit‑8, Transwell and Matrigel assays were performed to detect the proliferation, migration and tube formation ability of EPCs following different treatments. The expression of miR‑130a, phosphatase and tensin homolog (PTEN) and phosphorylated‑AKT was analyzed by reverse transcription‑quantitative polymerase chain reaction and western blotting. The specific mechanism underlying the function of metformin in EPCs was further elucidated by transfecting miR‑130a mimics and inhibitor to overexpress and inhibit the expression of miR‑130a in EPCs, respectively. EPCs exhibited impaired functions of proliferation (P<0.01 compared with the control), migration (P<0.01 compared with the control) and tube formation (P<0.01 compared with the control) following treatment with PA, and the expression levels of miR‑130a and PTEN were decreased and increased, respectively. However, the presence of metformin, or the overexpression of miR‑130a using miR‑130a mimic alleviated the impairment of angiogenesis and proliferation, decreased the expression of PTEN and activated the phosphoinositide‑3 kinase/AKT pathway in EPCs exposed to PA. By contrast, downregulating the expression of miR‑130a with a miR‑130a inhibitor reversed the metformin‑mediated protection. These results demonstrate the beneficial effect of miR‑130a/PTEN on EPC functions, which can be regulated by metformin. The effects of metformin on improving PA‑induced EPC dysfunction are mediated by miR‑130a and PTEN, which may assist in the prevention and/or treatment of diabetic vascular disease.
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Affiliation(s)
- Xuemei Gu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xiao-Qian Wang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Min-Jie Lin
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Haili Liang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Shi-Yan Fan
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Luyin Wang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Xiaoqing Yan
- School of Pharmaceutical Sciences of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Wenyue Liu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Fei-Xia Shen
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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11
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Zafar N, Krishnasamy SS, Shah J, Rai SN, Riggs DW, Bhatnagar A, O’Toole TE. Circulating angiogenic stem cells in type 2 diabetes are associated with glycemic control and endothelial dysfunction. PLoS One 2018; 13:e0205851. [PMID: 30321232 PMCID: PMC6188890 DOI: 10.1371/journal.pone.0205851] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 10/02/2018] [Indexed: 01/01/2023] Open
Abstract
Circulating angiogenic cells (CACs) of various described phenotypes participate in the regeneration of the damaged endothelium, but the abundance of these cells is highly influenced by external cues including diabetes. It is not entirely clear which CAC populations are most reflective of endothelial function nor which are impacted by diabetes. To answer these questions, we enrolled a human cohort with variable CVD risk and determined relationships between stratified levels of CACs and indices of diabetes and vascular function. We also determined associations between CAC functional markers and diabetes and identified pro-angiogenic molecules which are impacted by diabetes. We found that subjects with low levels of CD34+/AC133+/CD31+/CD45dim cells (CAC-3) had a significantly higher incidence of diabetes (p = 0.004), higher HbA1c levels (p = 0.049) and higher CVD risk scores. Furthermore, there was an association between low CAC-3 levels and impaired vascular function (p = 0.023). These cells from diabetics had reduced levels of CXCR4 and VEGFR2, while diabetics had higher levels of certain cytokines and pro-angiogenic molecules. These results suggest that quantitative and functional defects of CD34+/AC133+/CD31+/CD45dim cells are associated with diabetes and vascular impairment and that this cell type may be a prognostic indicator of CVD and vascular dysfunction.
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Affiliation(s)
- Nagma Zafar
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky, United States of America
- Department of Medicine, Division of General Pediatrics, University of Louisville, Louisville, Kentucky, United States of America
| | - Sathya S. Krishnasamy
- Department of Medicine, Division of Endocrinology, Metabolism and Diabetes University of Louisville, Louisville, Kentucky, United States of America
| | - Jasmit Shah
- Department of Internal Medicine, Aga Khan University, Nairobi, Kenya
| | - Shesh N. Rai
- Department of Bioinformatics and Biostatistics, University of Louisville, Louisville, Kentucky, United States of America
| | - Daniel W. Riggs
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky, United States of America
- Department of Bioinformatics and Biostatistics, University of Louisville, Louisville, Kentucky, United States of America
- Envirome Institute, University of Louisville, Louisville, Kentucky, United States of America
| | - Aruni Bhatnagar
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky, United States of America
- Envirome Institute, University of Louisville, Louisville, Kentucky, United States of America
| | - Timothy E. O’Toole
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky, United States of America
- Envirome Institute, University of Louisville, Louisville, Kentucky, United States of America
- * E-mail:
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12
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Wang RY, Liu LH, Liu H, Wu KF, An J, Wang Q, Liu Y, Bai LJ, Qi BM, Qi BL, Zhang L. Nrf2 protects against diabetic dysfunction of endothelial progenitor cells via regulating cell senescence. Int J Mol Med 2018; 42:1327-1340. [PMID: 29901179 PMCID: PMC6089760 DOI: 10.3892/ijmm.2018.3727] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 06/08/2018] [Indexed: 12/20/2022] Open
Abstract
Diabetes is associated with an increased risk of cardio-vascular disease. A decrease in the number and functionality of endothelial progenitor cells (EPCs) leads to reduced endothelial repair and the development of cardiovascular disease. The aim of the present study was to explore the effect and underlying mechanisms of nuclear factor erythroid 2-related factor 2 (Nrf2) on EPC dysfunction caused by diabetic mellitus. The biological functions of EPCs in streptozotocin-induced diabetic mice were evaluated, including migration, proliferation, angiogenesis and the secretion of vascular endothelial growth factor (VEGF), stromal-derived growth factor (SDF) and nitric oxide (NO). Oxidative stress levels in diabetic EPCs were also assessed by detecting intracellular reactive oxygen species (ROS), superoxide dismutase (SOD) and malondialdehyde (MDA). EPC senescence was evaluated by measuring p16 and b-gal expression and observing the senescence-associated secretory phenotype. In addition, the function of EPCs and level of oxidative stress were assessed following Nrf2 silencing or activation. Nrf2 silencing resulted in a decrease of EPC biological functions, accelerated cell senescence and increased oxidative stress, as indicated by ROS and MDA upregulation accompanied with decreased SOD activity. Furthermore, Nrf2 silencing inhibited migration, proliferation and secretion in EPCs, while it increased oxidative stress and cell senescence. Nrf2 activation protected diabetic EPCs against the effects of oxidative stress and cell senescence, ameliorating the biological dysfunction of EPCs derived from mice with diabetes. In conclusion, Nrf2 overexpression protected against oxidative stress-induced functional damage in EPCs derived from diabetic mice by regulating cell senescence.
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Affiliation(s)
- Rui-Yun Wang
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Li-Hua Liu
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Hongxia Liu
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Ke-Fei Wu
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Jing An
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Qian Wang
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Yun Liu
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Li-Juan Bai
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Ben-Ming Qi
- Department of Otorhinolaryngology, First People's Hospital of Yunnan Province, Kunming, Yunnan 650000, P.R. China
| | - Ben-Ling Qi
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Lei Zhang
- Department of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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13
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Song X, Yang B, Qiu F, Jia M, Fu G. High glucose and free fatty acids induce endothelial progenitor cell senescence via PGC-1α/SIRT1 signaling pathway. Cell Biol Int 2017; 41:1146-1159. [PMID: 28786152 DOI: 10.1002/cbin.10833] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 07/28/2017] [Indexed: 01/01/2023]
Affiliation(s)
- Xiaoxiao Song
- The Department of Endocrinology; Second Affiliated Hospital, College of Medicine, Zhejiang University; Hangzhou 310009 Zhejiang Province China
- The Department of Cardiology; Biomedical Research (Therapy) Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University; Hangzhou 310016 Zhejiang Province China
| | - Boyun Yang
- The Department of Endocrinology; Second Affiliated Hospital, College of Medicine, Zhejiang University; Hangzhou 310009 Zhejiang Province China
| | - Fuyu Qiu
- The Department of Cardiology; Biomedical Research (Therapy) Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University; Hangzhou 310016 Zhejiang Province China
| | - Minyue Jia
- The Department of Endocrinology; Second Affiliated Hospital, College of Medicine, Zhejiang University; Hangzhou 310009 Zhejiang Province China
| | - Guosheng Fu
- The Department of Cardiology; Biomedical Research (Therapy) Center, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University; Hangzhou 310016 Zhejiang Province China
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14
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Madonna R, Balistreri CR, Geng YJ, De Caterina R. Diabetic microangiopathy: Pathogenetic insights and novel therapeutic approaches. Vascul Pharmacol 2017; 90:1-7. [PMID: 28137665 DOI: 10.1016/j.vph.2017.01.004] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 01/26/2017] [Indexed: 12/11/2022]
Abstract
Diabetic microangiopathy, including retinopathy, is characterized by abnormal growth and leakage of small blood vessels, resulting in local edema and functional impairment of the depending tissues. Mechanisms leading to the impairment of microcirculation in diabetes are multiple and still largely unclear. However, a dysregulated vascular regeneration appears to play a key role. In addition, oxidative and hyperosmolar stress, as well as the activation of inflammatory pathways triggered by advanced glycation end-products and toll-like receptors, have been recognized as key underlying events. Here, we review recent knowledge on cellular and molecular pathways of microvascular disease in diabetes. We also highlight how new insights into pathogenic mechanisms of vascular damage in diabetes may indicate new targets for prevention and treatment.
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Affiliation(s)
- Rosalinda Madonna
- Center of Excellence on Aging (CesiMet), Institute of Cardiology, Department of Neurosciences, Imaging and Clinical Sciences, "G. d'Annunzio" University, Chieti, Italy; The Texas Heart Institute, Center for Cardiovascular Biology and Atherosclerosis Research, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Carmela Rita Balistreri
- Department of Pathobiology and Medical Biotechnologies, University of Palermo, Palermo, Italy
| | - Yong-Jian Geng
- The Texas Heart Institute, Center for Cardiovascular Biology and Atherosclerosis Research, Department of Internal Medicine, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Raffaele De Caterina
- Center of Excellence on Aging (CesiMet), Institute of Cardiology, Department of Neurosciences, Imaging and Clinical Sciences, "G. d'Annunzio" University, Chieti, Italy.
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