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Burg N, Malpass R, Alex L, Tran M, Englebrecht E, Kuo A, Pannelini T, Minett M, Athukorala K, Worgall T, Faust HJ, Goodman S, Mehta B, Brenner M, Vestweber D, Wei K, Blobel C, Hla T, Salmon JE. Endothelial cell sphingosine 1-phosphate receptor 1 restrains VE-cadherin cleavage and attenuates experimental inflammatory arthritis. JCI Insight 2024; 9:e171467. [PMID: 38855867 DOI: 10.1172/jci.insight.171467] [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: 06/06/2023] [Accepted: 05/01/2024] [Indexed: 06/11/2024] Open
Abstract
In rheumatoid arthritis, inflammatory mediators extravasate from blood into joints via gaps between endothelial cells (ECs), but the contribution of ECs is not known. Sphingosine 1-phosphate receptor 1 (S1PR1), widely expressed on ECs, maintains the vascular barrier. Here, we assessed the contribution of vascular integrity and EC S1PR1 signaling to joint damage in mice exposed to serum-induced arthritis (SIA). EC-specific deletion of S1PR1 or pharmacological blockade of S1PR1 promoted vascular leak and amplified SIA, whereas overexpression of EC S1PR1 or treatment with an S1PR1 agonist delayed SIA. Blockade of EC S1PR1 induced membrane metalloproteinase-dependent cleavage of vascular endothelial cadherin (VE-cadherin), a principal adhesion molecule that maintains EC junctional integrity. We identified a disintegrin and a metalloproteinase domain 10 (ADAM10) as the principal VE-cadherin "sheddase." Mice expressing a stabilized VE-cadherin construct had decreased extravascular VE-cadherin and vascular leakage in response to S1PR1 blockade, and they were protected from SIA. Importantly, patients with active rheumatoid arthritis had decreased circulating S1P and microvascular expression of S1PR1, suggesting a dysregulated S1P/S1PR1 axis favoring vascular permeability and vulnerability. We present a model in which EC S1PR1 signaling maintains homeostatic vascular barrier function by limiting VE-cadherin shedding mediated by ADAM10 and suggest this signaling axis as a therapeutic target in inflammatory arthritis.
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Affiliation(s)
- Nathalie Burg
- Hospital for Special Surgery, New York, New York, USA
| | - Ryan Malpass
- Hospital for Special Surgery, New York, New York, USA
| | - Linda Alex
- Hospital for Special Surgery, New York, New York, USA
| | - Miles Tran
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Eric Englebrecht
- School of Medicine, University of Louisville, Louisville, Kentucky, USA
| | - Andrew Kuo
- Vascular Biology Program, Boston Children's Hospital and Department of Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | | | | | | | - Tilla Worgall
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Heather J Faust
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Susan Goodman
- Hospital for Special Surgery, New York, New York, USA
| | - Bella Mehta
- Hospital for Special Surgery, New York, New York, USA
| | - Michael Brenner
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | | | - Kevin Wei
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Carl Blobel
- Hospital for Special Surgery, New York, New York, USA
| | - Timothy Hla
- Vascular Biology Program, Boston Children's Hospital and Department of Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Jane E Salmon
- Hospital for Special Surgery, New York, New York, USA
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2
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Hu C, Lu L, Guo C, Zhan T, Zhang X, Zhang H. Bisphenols and brominated bisphenols induced endothelial dysfunction via its disruption of endothelial nitric oxide synthase. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123600. [PMID: 38369087 DOI: 10.1016/j.envpol.2024.123600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/20/2024]
Abstract
Emerging literatures have concentrated on the association between cardiovascular diseases risk of typical endocrine disruptor bisphenols, which also put forward the further studies need respect to the potential mechanism. Herein, we investigated the endothelial dysfunction effects of bisphenols and brominated bisphenols involved in aortic pathological structure, endothelial nitric oxide synthase (eNOS) protein phosphorylation, synthase activity and nitric oxide (NO) production in human umbilical vein endothelial cells (HUVECs) and C57BL/6 mice. Bisphenol A (BPA) and bisphenol S (BPS) increased NO production by 85.7% and 68.8% at 10-6 M level in vitro and 74.3%, 41.5% in vivo, respectively, while tetrabromobisphenol S (TBBPS) significantly inhibited NO by 55.7% at 10-6 M in vitro and 28.9% in vivo at dose of 20 mg/kg BW/d. Aortic transcriptome profiling revealed that the process of 'regulation of NO mediated signal transduction' was commonly induced. The mRNA and protein expression of phosphorylated eNOS at Ser1177 were promoted by BPA and BPS but decreased by TBBPA and TBBPS in HUVECs. Phosphorylation and enzymatic activity of eNOS were significantly increased by 43.4% and 13.8% with the treatment of BPA and BPS at 10-7 M, but decreased by 16.9% after exposure to TBBPS at 10-6 M in vitro. Moreover, only TBBPS was observed to increase aorta thickness significantly in mice and induce endothelial dysfunction. Our work suggests that bisphenols and brominated bisphenols may exert adverse outcome on vascular health differently in vitro and in vivo, and emphasizes areas of public health concern similar endocrine disruptors vulnerable on the vascular endothelial function.
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Affiliation(s)
- Chao Hu
- Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Liping Lu
- Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Hangzhou International Urbanology Research Center and Center for Zhejiang Urban Governance Studies, Hangzhou, 311121, China.
| | - Chunyan Guo
- Radiation Monitoring Technical Center, State Environmental Protection Key Laboratory of Radiation Environmental Monitoring, Ministry of Ecology and Environment, Hangzhou, 310012, China
| | - Tingjie Zhan
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Environmental and Occupational Health Sciences Institute (EOHSI), Rutgers University, Piscataway, NJ, 08854, United States
| | - Xiaofang Zhang
- Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China
| | - Hangjun Zhang
- Hangzhou Normal University, Hangzhou, Zhejiang, 311121, China; Hangzhou International Urbanology Research Center and Center for Zhejiang Urban Governance Studies, Hangzhou, 311121, China
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3
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Lu L, Shen L, Cui S, Huang Y, Gao Y, Zhu X, Lu S, Zhang C, Zhuang S. Angiogenic Activity and Mechanism for Bisphenols on Endothelial Cell and Mouse: Evidence of a Structural-Selective Effect. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:11803-11813. [PMID: 37505069 DOI: 10.1021/acs.est.3c03883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Increased epidemiological evidence indicates the association of bisphenol exposure with human vascular disorders, while the underlying mechanism has not been clarified. Here, we sought to unveil the potential angiogenic effect and the underlying mechanism of bisphenols with different structural features using endothelial cells treated with an environmentally relevant concentration of bisphenols (range: 1 nM to 10 μM) and a C57BL/6 mouse model fed with doses of 0.002, 0.02, 2, and 20 mg/kg BW/day for 5 weeks. Bisphenol A (BPA) and bisphenol S (BPS) at a 1 nM level significantly increased tube formation by 45.1 and 30.2% and induced the microvessel sprouting, while tube length and microvessel sprouting were significantly inhibited by 37.2 and 55.7% after exposure to tetrabromobisphenol S (TBBPS) at 1 μM, respectively. Mechanistically, TBBPA and TBBPS significantly inhibited the interaction between phosphatidylinositol 3-kinase (PI3K) and thyroid receptor (TR), while BPA and BPS favored the interaction between PI3K and estrogen receptor (ER), resulting in abnormal PI3K signaling with consequent distinct angiogenic activity. BPA- and BPS-induced pro-angiogenic effects and TBBPS showed anti-angiogenic effects due to their distinct disruption on the TR/ER-PI3K pathway. Our work provided new evidence and mechanistic insight on the angiogenic activity of bisphenols and expanded the scope of endocrine disruptors with interference in vascular homeostasis.
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Affiliation(s)
- Liping Lu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
- School of Public Health, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Lilai Shen
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Shixuan Cui
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Yizhou Huang
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, Zhejiang, China
| | - Yuchen Gao
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Xiaoming Zhu
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, Zhejiang, China
| | - Shaoyong Lu
- Department of Pathophysiology, School of Medicine, Shanghai Jiao Tong University, Shanghai 200025, China
| | - Chunlong Zhang
- Department of Environmental Sciences, University of Houston-Clear Lake, 2700 Bay Area Blvd., Houston, Texas 77058, United States
| | - Shulin Zhuang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, Zhejiang, China
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4
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Schlienger S, Yam PT, Balekoglu N, Ducuing H, Michaud JF, Makihara S, Kramer DK, Chen B, Fasano A, Berardelli A, Hamdan FF, Rouleau GA, Srour M, Charron F. Genetics of mirror movements identifies a multifunctional complex required for Netrin-1 guidance and lateralization of motor control. SCIENCE ADVANCES 2023; 9:eadd5501. [PMID: 37172092 PMCID: PMC10181192 DOI: 10.1126/sciadv.add5501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 04/06/2023] [Indexed: 05/14/2023]
Abstract
Mirror movements (MM) disorder is characterized by involuntary movements on one side of the body that mirror intentional movements on the opposite side. We performed genetic characterization of a family with autosomal dominant MM and identified ARHGEF7, a RhoGEF, as a candidate MM gene. We found that Arhgef7 and its partner Git1 bind directly to Dcc. Dcc is the receptor for Netrin-1, an axon guidance cue that attracts commissural axons to the midline, promoting the midline crossing of axon tracts. We show that Arhgef7 and Git1 are required for Netrin-1-mediated axon guidance and act as a multifunctional effector complex. Arhgef7/Git1 activates Rac1 and Cdc42 and inhibits Arf1 downstream of Netrin-1. Furthermore, Arhgef7/Git1, via Arf1, mediates the Netrin-1-induced increase in cell surface Dcc. Mice heterozygous for Arhgef7 have defects in commissural axon trajectories and increased symmetrical paw placements during skilled walking, a MM-like phenotype. Thus, we have delineated how ARHGEF7 mutation causes MM.
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Affiliation(s)
- Sabrina Schlienger
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
- Department of Anatomy and Cell Biology, Division of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
| | - Patricia T. Yam
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
| | - Nursen Balekoglu
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC H3A 2B4, Canada
| | - Hugo Ducuing
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
| | - Jean-Francois Michaud
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
| | - Shirin Makihara
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC H3A 2B4, Canada
| | - Daniel K. Kramer
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA 50011, USA
| | - Baoyu Chen
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA 50011, USA
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, ON, Canada
- Division of Neurology, University of Toronto, Toronto, ON, Canada
- Krembil Brain Institute, Toronto, ON, Canada
| | - Alfredo Berardelli
- IRCCS Neuromed, Pozzilli (IS), Italy
- Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
| | - Fadi F. Hamdan
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and University of Montreal, Montreal, QC H3T1C5, Canada
| | - Guy A. Rouleau
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and University of Montreal, Montreal, QC H3T1C5, Canada
- Department of Human Genetics, Montreal Neurological Institute and Hospital, McGill University, Montreal, QC, Canada
| | - Myriam Srour
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC H3A 2B4, Canada
- Department of Pediatrics, Division of Pediatric Neurology, McGill University, Montreal, QC H4A 3J1, Canada
- McGill University Health Center Research Institute, Montreal, QC H4A 3J1, Canada
| | - Frederic Charron
- Montreal Clinical Research Institute (IRCM), 110 Pine Avenue West, Montreal, QC H2W 1R7, Canada
- Department of Anatomy and Cell Biology, Division of Experimental Medicine, McGill University, Montreal, QC H3A 0G4, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC H3A 2B4, Canada
- Department of Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada
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5
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Zhang J, Ye C, Zhu Y, Wang J, Liu J. The Cell-Specific Role of SHP2 in Regulating Bone Homeostasis and Regeneration Niches. Int J Mol Sci 2023; 24:ijms24032202. [PMID: 36768520 PMCID: PMC9917188 DOI: 10.3390/ijms24032202] [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: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023] Open
Abstract
Src homology-2 containing protein tyrosine phosphatase (SHP2), encoded by PTPN11, has been proven to participate in bone-related diseases, such as Noonan syndrome (NS), metachondromatosis and osteoarthritis. However, the mechanisms of SHP2 in bone remodeling and homeostasis maintenance are complex and undemonstrated. The abnormal expression of SHP2 can influence the differentiation and maturation of osteoblasts, osteoclasts and chondrocytes. Meanwhile, SHP2 mutations can act on the immune system, vasculature and nervous system, which in turn affect bone development and remodeling. Signaling pathways regulated by SHP2, such as mitogen-activated protein kinase (MAPK), Indian hedgehog (IHH) and phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K)/protein kinase B (AKT), are also involved in the proliferation, differentiation and migration of bone functioning cells. This review summarizes the recent advances of SHP2 on osteogenesis-related cells and niche cells in the bone marrow microenvironment. The phenotypic features of SHP2 conditional knockout mice and underlying mechanisms are discussed. The prospective applications of the current agonists or inhibitors that target SHP2 in bone-related diseases are also described. Full clarification of the role of SHP2 in bone remodeling will shed new light on potential treatment for bone related diseases.
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Affiliation(s)
- Jie Zhang
- Laboratory for Aging Research, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chengxinyue Ye
- Laboratory for Aging Research, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yufan Zhu
- Laboratory for Aging Research, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Jun Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Correspondence: (J.W.); (J.L.)
| | - Jin Liu
- Laboratory for Aging Research, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China
- Correspondence: (J.W.); (J.L.)
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6
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Endothelial Shp2 deficiency controls alternative activation of macrophage preventing radiation-induced lung injury through Notch signaling. iScience 2022; 25:103867. [PMID: 35243230 PMCID: PMC8859005 DOI: 10.1016/j.isci.2022.103867] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 01/13/2022] [Accepted: 01/28/2022] [Indexed: 11/20/2022] Open
Abstract
Radiation-induced lung injury is a common late side effect of thoracic radiotherapy. Endothelial dysfunction following leukocytes infiltration is a prominent feature in this process. Here, we established a clinical-mimicking mouse model of radiation-induced lung injury and found the activity of phosphatase Shp2 was elevated in endothelium after injury. Endothelium-specific Shp2 deletion mice showed relieved collagen deposition along with disrupted radiation-induced Jag1 expression in the endothelium. Furthermore, endothelium-derived Jag1 activated the alternative activation of macrophages in vitro and in vivo by paracrine Notch signaling. Consistently, the Notch pathway was significantly activated by chest irradiation in the peripheral blood leukocytes of patients with cancer. Collectively, our work demonstrates that Shp2 participates in the radiation-induced endothelial dysfunction and subsequently inflammatory microenvironment producing during radiation-induced lung injury. Our findings indicate Shp2 as a potential target for radiation-induced lung injury and provide another way for endothelium to participate in the pathological process of radiation-induced lung injury. Phosphatase activity of endothelial Shp2 is elevated by irradiation in vitro and in vivo Radiation-induced Jag1 is blocked in Shp2-deficient endothelium Loss of Shp2 in endothelium relieves radiation-induced pulmonary injury Shp2-deficient endothelium restrains macrophage activation via Notch signaling
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7
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Cx43 Promotes Endothelial Cell Migration and Angiogenesis via the Tyrosine Phosphatase SHP-2. Int J Mol Sci 2021; 23:ijms23010294. [PMID: 35008716 PMCID: PMC8745637 DOI: 10.3390/ijms23010294] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/21/2021] [Accepted: 12/24/2021] [Indexed: 12/16/2022] Open
Abstract
The gap junction protein connexin 43 (Cx43) is associated with increased cell migration and to related changes of the actin cytoskeleton, which is mediated via its C-terminal cytoplasmic tail and is independent of its channel function. Cx43 has been shown to possess an angiogenic potential, however, the role of Cx43 in endothelial cell migration has not yet been investigated. Here, we found that the knock-down of Cx43 by siRNA in human microvascular endothelial cells (HMEC) reduces migration, as assessed by a wound assay in vitro and impaired aortic vessel sprouting ex vivo. Immunoprecipitation of Cx43 revealed an interaction with the tyrosine phosphatase SHP-2, which enhanced its phosphatase activity, as observed in Cx43 expressing HeLa cells compared to cells treated with an empty vector. Interestingly, the expression of a dominant negative substrate trapping mutant SHP-2 (CS) in HMEC, via lentiviral transduction, also impaired endothelial migration to a similar extent as Cx43 siRNA compared to SHP-2 WT. Moreover, the reduction in endothelial migration upon Cx43 siRNA could not be rescued by the introduction of a constitutively active SHP-2 construct (EA). Our data demonstrate that Cx43 and SHP-2 mediate endothelial cell migration, revealing a novel interaction between Cx43 and SHP-2, which is essential for this process.
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8
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Xu Z, Guo C, Ye Q, Shi Y, Sun Y, Zhang J, Huang J, Huang Y, Zeng C, Zhang X, Ke Y, Cheng H. Endothelial deletion of SHP2 suppresses tumor angiogenesis and promotes vascular normalization. Nat Commun 2021; 12:6310. [PMID: 34728626 PMCID: PMC8564544 DOI: 10.1038/s41467-021-26697-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022] Open
Abstract
SHP2 mediates the activities of multiple receptor tyrosine kinase signaling and its function in endothelial processes has been explored extensively. However, genetic studies on the role of SHP2 in tumor angiogenesis have not been conducted. Here, we show that SHP2 is activated in tumor endothelia. Shp2 deletion and pharmacological inhibition reduce tumor growth and microvascular density in multiple mouse tumor models. Shp2 deletion also leads to tumor vascular normalization, indicated by increased pericyte coverage and vessel perfusion. SHP2 inefficiency impairs endothelial cell proliferation, migration, and tubulogenesis through downregulating the expression of proangiogenic SRY-Box transcription factor 7 (SOX7), whose re-expression restores endothelial function in SHP2-knockdown cells and tumor growth, angiogenesis, and vascular abnormalization in Shp2-deleted mice. SHP2 stabilizes apoptosis signal-regulating kinase 1 (ASK1), which regulates SOX7 expression mediated by c-Jun. Our studies suggest SHP2 in tumor associated endothelial cells is a promising anti-angiogenic target for cancer therapy.
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Affiliation(s)
- Zhiyong Xu
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,grid.13402.340000 0004 1759 700XThe Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Chunyi Guo
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiaoli Ye
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yueli Shi
- grid.13402.340000 0004 1759 700XThe Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Yihui Sun
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jie Zhang
- grid.13402.340000 0004 1759 700XDepartment of Urology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiaqi Huang
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yizhou Huang
- grid.13402.340000 0004 1759 700XDepartment of Gynecology of Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chunlai Zeng
- grid.469539.40000 0004 1758 2449Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Xue Zhang
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,grid.13402.340000 0004 1759 700XDepartment of Respiratory Medicine of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuehai Ke
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,grid.13402.340000 0004 1759 700XDepartment of Respiratory Medicine of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,grid.13402.340000 0004 1759 700XCancer Center, Zhejiang University, Hangzhou, China
| | - Hongqiang Cheng
- grid.13402.340000 0004 1759 700XDepartment of Pathology and Pathophysiology and Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China ,grid.13402.340000 0004 1759 700XDepartment of Cardiology of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
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9
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Fu P, Epshtein Y, Ramchandran R, Mascarenhas JB, Cress AE, Jacobson J, Garcia JGN, Natarajan V. Essential role for paxillin tyrosine phosphorylation in LPS-induced mitochondrial fission, ROS generation and lung endothelial barrier loss. Sci Rep 2021; 11:17546. [PMID: 34475475 PMCID: PMC8413352 DOI: 10.1038/s41598-021-97006-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 08/12/2021] [Indexed: 11/09/2022] Open
Abstract
We have shown that both reactive oxygen species (ROS) and paxillin tyrosine phosphorylation regulate LPS-induced human lung endothelial permeability. Mitochondrial ROS (mtROS) is known to increase endothelial cell (EC) permeability which requires dynamic change in mitochondrial morphology, events that are likely to be regulated by paxillin. Here, we investigated the role of paxillin and its tyrosine phosphorylation in regulating LPS-induced mitochondrial dynamics, mtROS production and human lung microvascular EC (HLMVEC) dysfunction. LPS, in a time-dependent manner, induced higher levels of ROS generation in the mitochondria compared to cytoplasm or nucleus. Down-regulation of paxillin expression with siRNA or ecto-expression of paxillin Y31F or Y118F mutant plasmids attenuated LPS-induced mtROS in HLMVECs. Pre-treatment with MitoTEMPO, a scavenger of mtROS, attenuated LPS-induced mtROS, endothelial permeability and VE-cadherin phosphorylation. Further, LPS-induced mitochondrial fission in HLMVECs was attenuated by both a paxillin siRNA, and paxillin Y31F/Y118F mutant. LPS stimulated phosphorylation of dynamin-related protein (DRP1) at S616, which was also attenuated by paxillin siRNA, and paxillinY31/Y118 mutants. Inhibition of DRP1 phosphorylation by P110 attenuated LPS-induced mtROS and endothelial permeability. LPS challenge of HLMVECs enhanced interaction between paxillin, ERK, and DRP1, and inhibition of ERK1/2 activation with PD98059 blocked mitochondrial fission. Taken together, these results suggest a key role for paxillin tyrosine phosphorylation in LPS-induced mitochondrial fission, mtROS generation and EC barrier dysfunction.
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Affiliation(s)
- Panfeng Fu
- Department of Pharmacology, University of Illinois at Chicago, COMRB Room # 3137, 909, South Wolcott Avenue, Chicago, IL, 60612, USA. .,The Affiliated Hospital of Medical School, Medical School of Ningbo University, 247 Renmin Road, Ningbo, China.
| | - Yulia Epshtein
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Ramaswamy Ramchandran
- Department of Pharmacology, University of Illinois at Chicago, COMRB Room # 3137, 909, South Wolcott Avenue, Chicago, IL, 60612, USA
| | - Joseph B Mascarenhas
- Department of Medicine, College of Medicine, University of Arizona Health Sciences, Tucson, AZ, USA
| | - Anne E Cress
- Departments of Cellular and Molecular Medicine, University of Arizona Health Sciences, Tucson, AZ, USA.,Department of Medicine, College of Medicine, University of Arizona Health Sciences, Tucson, AZ, USA
| | - Jeffrey Jacobson
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA
| | - Joe G N Garcia
- Department of Medicine, College of Medicine, University of Arizona Health Sciences, Tucson, AZ, USA
| | - Viswanathan Natarajan
- Department of Pharmacology, University of Illinois at Chicago, COMRB Room # 3137, 909, South Wolcott Avenue, Chicago, IL, 60612, USA. .,Department of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
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10
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Wang Y, Salvucci O, Ohnuki H, Tran AD, Ha T, Feng J, DiPrima M, Kwak H, Wang D, Yu Y, Kruhlak M, Tosato G. Targeting the SHP2 phosphatase promotes vascular damage and inhibition of tumor growth. EMBO Mol Med 2021; 13:e14089. [PMID: 34102002 PMCID: PMC8261520 DOI: 10.15252/emmm.202114089] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/26/2021] [Accepted: 05/04/2021] [Indexed: 12/15/2022] Open
Abstract
The tyrosine phosphatase SHP2 is oncogenic in cancers driven by receptor-tyrosine-kinases, and SHP2 inhibition reduces tumor growth. Here, we report that SHP2 is an essential promoter of endothelial cell survival and growth in the remodeling tumor vasculature. Using genetic and chemical approaches to inhibit SHP2 activity in endothelial cells, we show that SHP2 inhibits pro-apoptotic STAT3 and stimulates proliferative ERK1/2 signaling. Systemic SHP2 inhibition in mice bearing tumor types selected for SHP2-independent tumor cell growth promotes degeneration of the tumor vasculature and blood extravasation; reduces tumor vascularity and blood perfusion; and increases tumor necrosis. Reduction of tumor growth ensues, independent of SHP2 targeting in the tumor cells, blocking immune checkpoints, or recruiting macrophages. We also show that inhibiting the Angiopoietin/TIE2/AKT cascade magnifies the vascular and anti-tumor effects of SHP2 inhibition by blocking tumor endothelial AKT signaling, not a target of SHP2. Since the SHP2 and Ang2/TIE2 pathways are active in vascular endothelial cells of human melanoma and colon carcinoma, SHP2 inhibitors alone or with Ang2/TIE2 inhibitors hold promise to effectively target the tumor endothelium.
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Affiliation(s)
- Yuyi Wang
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Ombretta Salvucci
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Hidetaka Ohnuki
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Andy D Tran
- Center for Cancer Research Microscopy CoreLaboratory of Cancer Biology and GeneticsNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Taekyu Ha
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Jing‐Xin Feng
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Michael DiPrima
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Hyeongil Kwak
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Dunrui Wang
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Yanlin Yu
- Laboratory of Cancer Biology and GeneticsCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Michael Kruhlak
- Center for Cancer Research Microscopy CoreLaboratory of Cancer Biology and GeneticsNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
| | - Giovanna Tosato
- Laboratory of Cellular OncologyCenter for Cancer ResearchNational Cancer InstituteNational Institutes of HealthBethesdaMDUSA
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11
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Arif N, Zinnhardt M, Nyamay’Antu A, Teber D, Brückner R, Schaefer K, Li Y, Trappmann B, Grashoff C, Vestweber D. PECAM-1 supports leukocyte diapedesis by tension-dependent dephosphorylation of VE-cadherin. EMBO J 2021; 40:e106113. [PMID: 33604918 PMCID: PMC8090850 DOI: 10.15252/embj.2020106113] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 01/15/2021] [Accepted: 01/27/2021] [Indexed: 01/21/2023] Open
Abstract
Leukocyte extravasation is an essential step during the immune response and requires the destabilization of endothelial junctions. We have shown previously that this process depends in vivo on the dephosphorylation of VE-cadherin-Y731. Here, we reveal the underlying mechanism. Leukocyte-induced stimulation of PECAM-1 triggers dissociation of the phosphatase SHP2 which then directly targets VE-cadherin-Y731. The binding site of PECAM-1 for SHP2 is needed for VE-cadherin dephosphorylation and subsequent endocytosis. Importantly, the contribution of PECAM-1 to leukocyte diapedesis in vitro and in vivo was strictly dependent on the presence of Y731 of VE-cadherin. In addition to SHP2, dephosphorylation of Y731 required Ca2+ -signaling, non-muscle myosin II activation, and endothelial cell tension. Since we found that β-catenin/plakoglobin mask VE-cadherin-Y731 and leukocyte docking to endothelial cells exert force on the VE-cadherin-catenin complex, we propose that leukocytes destabilize junctions by PECAM-1-SHP2-triggered dephosphorylation of VE-cadherin-Y731 which becomes accessible by actomyosin-mediated mechanical force exerted on the VE-cadherin-catenin complex.
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Affiliation(s)
- Nida Arif
- Max Planck Institute for Molecular BiomedicineMünsterGermany
| | - Maren Zinnhardt
- Max Planck Institute for Molecular BiomedicineMünsterGermany
| | | | - Denise Teber
- Max Planck Institute for Molecular BiomedicineMünsterGermany
| | - Randy Brückner
- Max Planck Institute for Molecular BiomedicineMünsterGermany
| | | | - Yu‐Tung Li
- Max Planck Institute for Molecular BiomedicineMünsterGermany
| | | | - Carsten Grashoff
- Institute for Molecular Cell BiologyUniversity of MünsterMünsterGermany
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12
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Cen M, Ouyang W, Zhang W, Yang L, Lin X, Dai M, Hu H, Tang H, Liu H, Xia J, Xu F. MitoQ protects against hyperpermeability of endothelium barrier in acute lung injury via a Nrf2-dependent mechanism. Redox Biol 2021; 41:101936. [PMID: 33752110 PMCID: PMC8005834 DOI: 10.1016/j.redox.2021.101936] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/28/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022] Open
Abstract
Recently, numerous evidence has revealed that excessive reactive oxygen species (ROS) production and mitochondrial disruption during acute lung injury (ALI) and its most severe form, acute respiratory distress syndrome (ARDS) will aggravate the inflammatory process. To identify whether antioxidation can be one of the treatment strategies during this progress, we chose mitoQ, a mitochondria-targeted antioxidant that was proved to be effective in reducing ROS generated in mitochondria, as a ROS scavenger to investigate the role of antioxidation in ALI. We demonstrated that overoxidation occurred during the process of ALI, which could be reduced by mitoQ. In the meantime, apoptosis of endothelial cells of ALI mice, accompanied by hyperpermeability of pulmonary vascular and impaired pulmonary function, was partially reversed following an intraperitoneal injection of mitoQ. Moreover, in in vitro study, lipopolysaccharides (LPS) induced excessive ROS production, mitochondrial dysfunction and apoptosis in human pulmonary microvascular endothelial cells (HPMECs), which were rectified by mitoQ. To explore underlying mechanisms, we proceeded RNA-sequencing and found significantly upregulated expression of musculoaponeurotic fibrosarcoma F (MafF) in mitoQ treated group. Additionally, mitoQ inhibited the degradation and increased nuclear translocation of NF-E2-related factor 2 (Nrf2) and upregulated its downstream antioxidant response elements (AREs), such as heme oxygenase (HO)-1 and NAD(P)H:quinone oxidoreductase (NQO)-1. This effect was abolished by transfecting HPMECs with Nrf2 or Maff siRNA. In Nrf2 deficient mice, the protective effects of mitoQ on LPS model of ALI were largely vanished. Taken together, these results provide insights into how antioxidation exerts beneficial effects on ALI via maintaining mitochondrial hemostasis, inhibiting endothelial cells apoptosis, attenuating the endothelial disruption and regulating lung inflammation via Nrf2-MafF/ARE pathway.
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Affiliation(s)
- Mengyuan Cen
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Wei Ouyang
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Wanying Zhang
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Liping Yang
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Xiuhui Lin
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Min Dai
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Huiqun Hu
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China
| | - Huifang Tang
- Department of Pharmacology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Hongyun Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Jingyan Xia
- Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
| | - Feng Xu
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, China.
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13
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Sewduth R, Pandolfi S, Steklov M, Sheryazdanova A, Zhao P, Criem N, Baietti M, Lechat B, Quarck R, Impens F, Sablina A. The Noonan Syndrome Gene Lztr1 Controls Cardiovascular Function by Regulating Vesicular Trafficking. Circ Res 2020; 126:1379-1393. [PMID: 32175818 PMCID: PMC8575076 DOI: 10.1161/circresaha.119.315730] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
RATIONALE Noonan syndrome (NS) is one of the most frequent genetic disorders. Bleeding problems are among the most common, yet poorly defined complications associated with NS. A lack of consensus on the management of bleeding complications in patients with NS indicates an urgent need for new therapeutic approaches. OBJECTIVE Bleeding disorders have recently been described in patients with NS harboring mutations of LZTR1 (leucine zipper-like transcription regulator 1), an adaptor for CUL3 (CULLIN3) ubiquitin ligase complex. Here, we assessed the pathobiology of LZTR1-mediated bleeding disorders. METHODS AND RESULTS Whole-body and vascular specific knockout of Lztr1 results in perinatal lethality due to cardiovascular dysfunction. Lztr1 deletion in blood vessels of adult mice leads to abnormal vascular leakage. We found that defective adherent and tight junctions in Lztr1-depleted endothelial cells are caused by dysregulation of vesicular trafficking. LZTR1 affects the dynamics of fusion and fission of recycling endosomes by controlling ubiquitination of the ESCRT-III (endosomal sorting complex required for transport III) component CHMP1B (charged multivesicular protein 1B), whereas NS-associated LZTR1 mutations diminish CHMP1B ubiquitination. LZTR1-mediated dysregulation of CHMP1B ubiquitination triggers endosomal accumulation and subsequent activation of VEGFR2 (vascular endothelial growth factor receptor 2) and decreases blood levels of soluble VEGFR2 in Lztr1 haploinsufficient mice. Inhibition of VEGFR2 activity by cediranib rescues vascular abnormalities observed in Lztr1 knockout mice Conclusions: Lztr1 deletion phenotypically overlaps with bleeding diathesis observed in patients with NS. ELISA screening of soluble VEGFR2 in the blood of LZTR1-mutated patients with NS may predict both the severity of NS phenotypes and potential responders to anti-VEGF therapy. VEGFR inhibitors could be beneficial for the treatment of bleeding disorders in patients with NS.
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Affiliation(s)
- R. Sewduth
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - S. Pandolfi
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - M. Steklov
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - A. Sheryazdanova
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - P. Zhao
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - N. Criem
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - M.F. Baietti
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - B. Lechat
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - R. Quarck
- University Hospitals and Department of Chronic Diseases, Metabolism & Ageing (CHROMETA), KU Leuven, Herestraat 49, 3000 Leuven, Belgium
| | - F. Impens
- Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium
- VIB Center for Medical Biotechnology, B-9000 Ghent, Belgium
- VIB Proteomics Core, Albert Baertsoenkaai 3, 9000 Ghent, Belgium
| | - A.A. Sablina
- VIB-KU Leuven Center for Cancer Biology, VIB, Herestraat 49, 3000 Leuven, Belgium
- Department of Oncology, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
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14
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Huang J, Cai C, Zheng T, Wu X, Wang D, Zhang K, Xu B, Yan R, Gong H, Zhang J, Shi Y, Xu Z, Zhang X, Zhang X, Shang T, Zhou J, Guo X, Zeng C, Lai EY, Xiao C, Chen J, Wan S, Liu WH, Ke Y, Cheng H. Endothelial Scaffolding Protein ENH (Enigma Homolog Protein) Promotes PHLPP2 (Pleckstrin Homology Domain and Leucine-Rich Repeat Protein Phosphatase 2)-Mediated Dephosphorylation of AKT1 and eNOS (Endothelial NO Synthase) Promoting Vascular Remodeling. Arterioscler Thromb Vasc Biol 2020; 40:1705-1721. [PMID: 32268790 DOI: 10.1161/atvbaha.120.314172] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVE A decrease in nitric oxide, leading to vascular smooth muscle cell proliferation, is a common pathological feature of vascular proliferative diseases. Nitric oxide synthesis by eNOS (endothelial nitric oxide synthase) is precisely regulated by protein kinases including AKT1. ENH (enigma homolog protein) is a scaffolding protein for multiple protein kinases, but whether it regulates eNOS activation and vascular remodeling remains unknown. Approach and Results: ENH was upregulated in injured mouse arteries and human atherosclerotic plaques and was associated with coronary artery disease. Neointima formation in carotid arteries, induced by ligation or wire injury, was greatly decreased in endothelium-specific ENH-knockout mice. Vascular ligation reduced AKT and eNOS phosphorylation and nitric oxide production in the endothelium of control but not ENH-knockout mice. ENH was found to interact with AKT1 and its phosphatase PHLPP2 (pleckstrin homology domain and leucine-rich repeat protein phosphatase 2). AKT and eNOS activation were prolonged in VEGF (vascular endothelial growth factor)-induced ENH- or PHLPP2-deficient endothelial cells. Inhibitors of either AKT or eNOS effectively restored ligation-induced neointima formation in ENH-knockout mice. Moreover, endothelium-specific PHLPP2-knockout mice displayed reduced ligation-induced neointima formation. Finally, PHLPP2 was increased in the endothelia of human atherosclerotic plaques and blood cells from patients with coronary artery disease. CONCLUSIONS ENH forms a complex with AKT1 and its phosphatase PHLPP2 to negatively regulate AKT1 activation in the artery endothelium. AKT1 deactivation, a decrease in nitric oxide generation, and subsequent neointima formation induced by vascular injury are mediated by ENH and PHLPP2. ENH and PHLPP2 are thus new proatherosclerotic factors that could be therapeutically targeted.
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Affiliation(s)
- Jiaqi Huang
- From the Department of Pathology and Pathophysiology and Department of Cardiology, Sir Run Run Shaw Hospital (J.H., K.Z., H.C.), Zhejiang University School of Medicine, Hangzhou, China
| | - Changhong Cai
- Department of Cardiology, Lishui Hospital, Zhejiang University School of Medicine, China. (C.C., C.Z.)
| | - Tianyu Zheng
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Xinyan Wu
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Dongfei Wang
- Department of Cardiovascular Science, The First Affiliated Hospital of Zhejiang University (D.W., X.G.), Zhejiang University School of Medicine, Hangzhou, China
| | - Kaijie Zhang
- From the Department of Pathology and Pathophysiology and Department of Cardiology, Sir Run Run Shaw Hospital (J.H., K.Z., H.C.), Zhejiang University School of Medicine, Hangzhou, China
| | - Bocheng Xu
- Institute of Feed Science, College of Animal Sciences, Zhejiang University, Hangzhou, China (B.X.)
| | - Ruochen Yan
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Hui Gong
- Key Laboratory for Translational Medicine, First Affiliated Hospital, Huzhou University, China (H.G.)
| | - Jie Zhang
- Department of Urology, Sir Run Run Shaw Hospital (J. Zhang), Zhejiang University School of Medicine, Hangzhou, China
| | - Yueli Shi
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Zhiyong Xu
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Xue Zhang
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Xuemin Zhang
- Department of Vascular Surgery, Peking University People's Hospital, Peking University Health Science Center, Peking University, Beijing, China (X. Zhang)
| | - Tao Shang
- Department of Vascular Surgery, The First Affiliated Hospital (T.S.)
| | - Jianhong Zhou
- Department of Gynecology, School of Medicine, Zhejiang University, Hangzhou, China (J. Zhou)
| | - Xiaogang Guo
- Department of Cardiovascular Science, The First Affiliated Hospital of Zhejiang University (D.W., X.G.), Zhejiang University School of Medicine, Hangzhou, China
| | - Chunlai Zeng
- Department of Cardiology, Lishui Hospital, Zhejiang University School of Medicine, China. (C.C., C.Z.)
| | - En Yin Lai
- Department of Physiology, School of Basic Medical Sciences (E.Y.L.), Zhejiang University School of Medicine, Hangzhou, China
| | - Changchun Xiao
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, China (C.X., W.-H.L.).,Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA (C.X.)
| | - Ju Chen
- Department of Medicine and Cardiology, University of California San Diego, La Jolla (J.C.)
| | - Shu Wan
- Brain Center of Zhejiang Hospital, Hangzhou, China (S.W.)
| | - Wen-Hsien Liu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Signaling Network, School of Life Sciences, Xiamen University, China (C.X., W.-H.L.)
| | - Yuehai Ke
- Department of Pathology and Pathophysiology (T.Z., X. Wu, R.Y., Y.S., Z.X., X.Z., Y.K.), Zhejiang University School of Medicine, Hangzhou, China
| | - Hongqiang Cheng
- From the Department of Pathology and Pathophysiology and Department of Cardiology, Sir Run Run Shaw Hospital (J.H., K.Z., H.C.), Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China (H.C.)
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15
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Chichger H, Rounds S, Harrington EO. Endosomes and Autophagy: Regulators of Pulmonary Endothelial Cell Homeostasis in Health and Disease. Antioxid Redox Signal 2019; 31:994-1008. [PMID: 31190562 PMCID: PMC6765061 DOI: 10.1089/ars.2019.7817] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 06/07/2019] [Indexed: 12/12/2022]
Abstract
Significance: Alterations in oxidant/antioxidant balance injure pulmonary endothelial cells and are important in the pathogenesis of lung diseases, such as Acute Respiratory Distress Syndrome (ARDS), ischemia/reperfusion injury, pulmonary arterial hypertension (PAH), and emphysema. Recent Advances: The endosomal and autophagic pathways regulate cell homeostasis. Both pathways support recycling or degradation of macromolecules or organelles, targeted to endosomes or lysosomes, respectively. Thus, both processes promote cell survival. However, with environmental stress or injury, imbalance in endosomal and autophagic pathways may enhance macromolecular or organelle degradation, diminish biosynthetic processes, and cause cell death. Critical Issues: While the role of autophagy in cellular homeostasis in pulmonary disease has been investigated, the role of the endosome in the lung vasculature is less known. Furthermore, autophagy can either decrease or exacerbate endothelial injury, depending upon inciting insult and disease process. Future Directions: Diseases affecting the pulmonary endothelium, such as emphysema, ARDS, and PAH, are linked to altered endosomal or autophagic processing, leading to enhanced degradation of macromolecules and potential cell death. Efforts to target this imbalance have yielded limited success as treatments for lung injuries, which may be due to the complexity of both processes. It is possible that endosomal trafficking proteins, such as Rab GTPases and late endosomal/lysosomal adaptor, MAPK and MTOR activator 1, may be novel therapeutic targets. While endocytosis or autophagy have been linked to improved function of the pulmonary endothelium in vitro and in vivo, further studies are needed to identify targets for modulating cellular homeostasis in the lung.
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Affiliation(s)
- Havovi Chichger
- Biomedical Research Group, Department of Biomedical and Forensic Sciences, Anglia Ruskin University, Cambridge, United Kingdom
| | - Sharon Rounds
- Vascular Research Laboratory, Providence Veterans Affairs Medical Center, Providence, Rhode Island
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Elizabeth O. Harrington
- Vascular Research Laboratory, Providence Veterans Affairs Medical Center, Providence, Rhode Island
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Alpert Medical School of Brown University, Providence, Rhode Island
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16
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Gong H, Ni J, Xu Z, Huang J, Zhang J, Huang Y, Zeng C, Zhang X, Cheng H, Ke Y. Shp2 in myocytes is essential for cardiovascular and neointima development. J Mol Cell Cardiol 2019; 137:71-81. [PMID: 31634485 DOI: 10.1016/j.yjmcc.2019.09.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 09/26/2019] [Accepted: 09/28/2019] [Indexed: 11/26/2022]
Abstract
Mutations in the PTPN11 gene, which encodes the protein tyrosine phosphatase Shp2, cause Noonan syndrome and LEOPARD syndrome, inherited multifaceted diseases including cardiac and vascular defects. However, the function of Shp2 in blood vessels, especially in vascular smooth muscle cells (VSMCs), remains largely unknown. We generated mice in which Shp2 was specifically deleted in VSMCs and embryonic cardiomyocytes using the SM22α-Cre transgenic mouse line. Conditional Shp2 knockout resulted in massive hemorrhage, cardiovascular defects and embryonic lethality at the late embryonic developmental stage (embryonic date 16.5). The thinning of artery walls in Shp2-knockout embryos was due to decreased VSMC number and reduced extracellular matrix deposition. Myocyte proliferation was decreased in Shp2-knockout arteries and hearts. Importantly, cardiomyocyte-specific Shp2-knockout did not cause similar vascular defects. Shp2 was required for TGFβ1-induced expression of ECM components, including collagens in VSMCs. In addition, collagens were sufficient to promote Shp2-inefficient VSMC proliferation. Finally, Shp2 was deleted in adult mouse VSMCs by using SMMHC-CreERT2 and tamoxifen induction. Shp2 deletion dramatically inhibited the expression of ECM components, proliferation of VSMCs and neointima formation in a carotid artery ligation model. Therefore, Shp2 is required for myocyte proliferation in cardiovascular development and vascular remodeling through TGFβ1-regulated collagen synthesis.
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Affiliation(s)
- Hui Gong
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China; Key Laboratory for Translational Medicine, First Affiliated Hospital, Huzhou University, Huzhou 31300, China
| | - Jiaojiao Ni
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Zhiyong Xu
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Jiaqi Huang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Jie Zhang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Yizhou Huang
- Department of Gynecology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Chunlai Zeng
- Department of Cardiology, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Central Hospital, Lishui 323000, China
| | - Xue Zhang
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Hongqiang Cheng
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China.
| | - Yuehai Ke
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou 310058, China.
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17
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Jiang L, Xu W, Chen Y, Zhang Y. SHP2 inhibitor specifically suppresses the stemness of KRAS-mutant non-small cell lung cancer cells. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:3231-3238. [PMID: 31373232 DOI: 10.1080/21691401.2019.1646748] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Lei Jiang
- Department of Pharmacy, Anhui No.2 Provincial People’s Hospital, Hefei, China
| | - Weiping Xu
- Research Department, The First Affiliated Hospital of USTC, Hefei, China
| | - Yi Chen
- Department of Pharmacy, Anhui No.2 Provincial People’s Hospital, Hefei, China
| | - Yue Zhang
- Department of Pharmacy, Anhui No.2 Provincial People’s Hospital, Hefei, China
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