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Li Y, Li Y, Jing X, Liu Y, Liu B, She Q. Sphingosine 1-phosphate induces epicardial progenitor cell differentiation into smooth muscle-like cells. Acta Biochim Biophys Sin (Shanghai) 2019; 51:402-410. [PMID: 30877755 DOI: 10.1093/abbs/gmz017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 11/13/2022] Open
Abstract
Epicardial progenitor cells (EpiCs) which are derived from the proepicardium have the potential to differentiate into coronary vascular smooth muscle cells during development. Whether sphingosine 1-phosphate (S1P), a highly hydrophobic zwitterionic lysophospholipid in signal transduction, induces the differentiation of EpiCs is unknown. In the present study, we demonstrated that S1P significantly induced the expression of smooth muscle cell specific markers α-smooth muscle actin and myosin heavy chain 11 in the EpiCs. And the smooth muscle cells differentiated from the EpiCs stimulated by S1P were further evaluated by gel contraction assay. To further confirm the major subtype of sphingosine 1-phosphate receptors (S1PRs) involved in the differentiation of EpiCs, we used the agonists and antagonists of different S1PRs. The results showed that the S1P1/S1P3 antagonist VPC23019 and the S1P2 antagonist JTE013 significantly attenuated EpiCs differentiation, while the S1P1 agonist SEW2871 and antagonist W146 did not affect EpiCs differentiation. These results collectively suggested that S1P, principally through its receptor S1P3, increases EpiCs differentiation into VSMCs and thus indicated the importance of S1P signaling in the embryonic coronary vasculature, while S1P2 plays a secondary role.
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Affiliation(s)
- Yu Li
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yingrui Li
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xiaodong Jing
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yajie Liu
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Bin Liu
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Qiang She
- Department of Cardiology, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Wu L, Du J, Jing X, Yan Y, Deng S, Hao Z, She Q. Bone morphogenetic protein 4 promotes the differentiation of Tbx18-positive epicardial progenitor cells to pacemaker-like cells. Exp Ther Med 2019; 17:2648-2656. [PMID: 30906456 PMCID: PMC6425233 DOI: 10.3892/etm.2019.7243] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Accepted: 12/18/2018] [Indexed: 12/21/2022] Open
Abstract
Clarifying the mechanisms via which pacemaker- like cells are generated is critical for identifying novel targets for arrhythmia-associated disorders and constructing pacemakers with the ability to adapt to physiological requirements. T-box 18 (Tbx18)+ epicardial progenitor cells (EPCs) have the potential to differentiate into pacemaker cells. Although bone morphogenetic protein 4 (Bmp4) is likely to contribute, its role and regulatory mechanisms in the differentiation of Tbx18+ EPCs into pacemaker-like cells have remained to be fully elucidated. In the present study, the association between Bmp4, GATA binding protein 4 (Gata4) and hyperpolarization- activated cyclic nucleotide gated potassium channel 4 (Hcn4) to regulate NK2 homeobox 5 (Nkx2.5), which is known to be required for the differentiation of Tbx18+ EPCs into pacemaker-like cells, was assessed. Tbx18+ EPCs were isolated from Tbx18:Cre/Rosa26Renhanced yellow fluorescence protein (EYFP) murine embryos at embryonic day 11.5 and divided into the following four treatment groups: Control, Bmp4, Bmp4+LDN193189 (a Bmp inhibitor) and LDN193189. In vitro Bmp4 promoted the expression of Hcn4 in Tbx18+ EPCs via lineage tracing of Tbx18:Cre/Rosa26REYFP mice, which was likely due to upregulation of Gata4 expression. Gata4 knockdown experiments were then performed using the following five treatment groups: Control, control small interfering RNA (siRNA), Bmp4, Bmp4+siRNA targeting Gata4 (siGata4) and siGata4 group. Knockdown of Gata4 caused a downregulation of Hcn4 and an upregulation of Nkx2.5, but had no effect on Bmp4 expression. In conclusion, it was indicated that in Tbx18+ EPCs, the expression of Nkx2.5 was regulated by Bmp4 via Gata4. Taken together, these results provide important information on regulatory networks of pacemaker cell differentiation and may serve as a basis for further studies.
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Affiliation(s)
- Ling Wu
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Jianlin Du
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Xiaodong Jing
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Yuling Yan
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Songbai Deng
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Zhengtao Hao
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Qiang She
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
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Liu Y, Liu B, Li Y, Li Y, Du J, Deng S, Jing X, She Q. Autophagy is involved in the differentiation of epicardial progenitor cells into vascular smooth muscle cells in mice. Exp Cell Res 2019; 375:60-71. [DOI: 10.1016/j.yexcr.2018.12.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 12/10/2018] [Accepted: 12/30/2018] [Indexed: 12/23/2022]
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Paquin-Veillette J, Lizotte F, Robillard S, Béland R, Breton MA, Guay A, Despatis MA, Geraldes P. Deletion of AT2 Receptor Prevents SHP-1-Induced VEGF Inhibition and Improves Blood Flow Reperfusion in Diabetic Ischemic Hindlimb. Arterioscler Thromb Vasc Biol 2017; 37:2291-2300. [PMID: 29074590 DOI: 10.1161/atvbaha.117.309977] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 10/05/2017] [Indexed: 01/15/2023]
Abstract
OBJECTIVE Ischemia caused by narrowing of femoral artery is a major cause of peripheral arterial disease and morbidity affecting patients with diabetes mellitus. We have previously reported that the inhibition of the angiogenic response to VEGF (vascular endothelial growth factor) in diabetic mice was associated with the increased expression of SHP-1 (SH2 domain-containing phosphatase 1), a protein that can be activated by the AT2 (angiotensin II type 2) receptor. Deletion of AT2 receptor has been shown to promote angiogenesis within the ischemic muscle. However, the relative impact of AT2 receptor in diabetic condition remains unknown. APPROACH AND RESULTS Nondiabetic and diabetic AT2 null (Atgr2-/Y) mice underwent femoral artery ligation after 2 months of diabetes mellitus. Blood perfusion was measured every week ≤4 weeks post-surgery. Expression of the VEGF, SHP-1, and renin-angiotensin pathways was evaluated. Blood flow in the ischemic muscle of diabetic Atgr2-/Y mice recovered faster and ≤80% after 4 weeks compared with 51% recovery in diabetic control littermates. Diabetic Atgr2-/Y had reduced apoptotic endothelial cells and elevated small vessel formation compared with diabetic Atgr2+/Y mice, as well as increased SHP-1 expression and reduced VEGF receptor activity. In endothelial cells, high glucose levels and AT2 agonist treatment did not change SHP-1, VEGF, and VEGF receptor expression. However, the activity of SHP-1 and its association with the VEGF receptors were increased, causing inhibition of the VEGF action in endothelial cell proliferation and migration. CONCLUSIONS Our results suggest that the deletion of AT2 receptor reduced SHP-1 activity and restored VEGF actions, leading to an increased blood flow reperfusion after ischemia in diabetes mellitus.
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MESH Headings
- Animals
- Blood Glucose/metabolism
- Cattle
- Cell Movement
- Cell Proliferation
- Cells, Cultured
- Diabetes Mellitus/genetics
- Diabetes Mellitus/metabolism
- Diabetes Mellitus/physiopathology
- Diabetic Angiopathies/genetics
- Diabetic Angiopathies/metabolism
- Diabetic Angiopathies/physiopathology
- Disease Models, Animal
- Endothelial Cells/metabolism
- Gene Deletion
- Genotype
- Hindlimb
- Ischemia/genetics
- Ischemia/metabolism
- Ischemia/physiopathology
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Muscle, Skeletal/blood supply
- Neovascularization, Physiologic
- Phenotype
- Protein Tyrosine Phosphatase, Non-Receptor Type 6/metabolism
- Receptor, Angiotensin, Type 2/deficiency
- Receptor, Angiotensin, Type 2/genetics
- Receptors, Vascular Endothelial Growth Factor/metabolism
- Recovery of Function
- Regional Blood Flow
- Renin-Angiotensin System
- Signal Transduction
- Time Factors
- Vascular Endothelial Growth Factor A/metabolism
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Affiliation(s)
- Judith Paquin-Veillette
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Farah Lizotte
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Stéphanie Robillard
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Raphaël Béland
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Marc-André Breton
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Andréanne Guay
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Marc-Antoine Despatis
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada
| | - Pedro Geraldes
- From the Research Center of the Centre Hospitalier Universitaire de Sherbrooke (J.P.-V., F.L., S.R., R.B., M.-A.B., A.G., P.G.), Québec, Canada; and Departments of Surgery (M.-A.D.) and Medicine (P.G.), Division of Endocrinology, Université de Sherbrooke, Québec, Canada.
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