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Pedreañez A, Carrero Y, Vargas R, Hernández-Fonseca JP, Mosquera JA. Role of angiotensin II in cellular entry and replication of dengue virus. Arch Virol 2024; 169:121. [PMID: 38753119 DOI: 10.1007/s00705-024-06040-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 02/19/2024] [Indexed: 05/21/2024]
Abstract
Previous studies have demonstrated the relevance of several soluble molecules in the pathogenesis of dengue. In this regard, a possible role for angiotensin II (Ang II) in the pathophysiology of dengue has been suggested by the observation of a blockade of Ang II in patients with dengue, increased expression of molecules related to Ang II production in the plasma of dengue patients, increased expression of circulating cytokines and soluble molecules related to the action of Ang II, and an apparent relationship between DENV, Ang II effects, and miRNAs. In addition, in ex vivo experiments, the blockade of Ang II AT1 receptor and ACE-1 (angiotensin converting enzyme 1), both of which are involved in Ang II production and its function, inhibits infection of macrophages by DENV, suggesting a role of Ang II in viral entry or in intracellular viral replication of the virus. Here, we discuss the possible mechanisms of Ang II in the entry and replication of DENV. Ang II has the functions of increasing the expression of DENV entry receptors, creation of clathrin-coated vesicles, and increasing phagocytosis, all of which are involved in DENV entry. This hormone also modulates the expression of the Rab5 and Rab7 proteins, which are important in the endosomal processing of DENV during viral replication. This review summarizes the data related to the possible involvement of Ang II in the entry of DENV into cells and its replication.
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Affiliation(s)
- Adriana Pedreañez
- Cátedra de Inmunología, Escuela de Bioanálisis, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Yenddy Carrero
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Renata Vargas
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Juan P Hernández-Fonseca
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
- Servicio de Microscopia Electrónica del Centro Nacional de Biotecnología (CNB- CSIC), Madrid, España
| | - Jesús Alberto Mosquera
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela.
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2
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Igarashi S, Hioki S, Sakamaru N, Suzuki A, Kurokawa M, Kato E. Flavan-3-ols, flavonoids, anthocyanidins and triterpenoids induces TIE2 phosphorylation -a candidate target for the vascular protective effects. Nat Prod Res 2024:1-5. [PMID: 38608255 DOI: 10.1080/14786419.2024.2340049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 03/31/2024] [Indexed: 04/14/2024]
Abstract
Vascular system is essential for the body to maintain health. Dysregulated vascular system leads to cardiovascular diseases and are observed in ischaemic stroke, Alzheimer's disease, amyotrophic lateral sclerosis, and diabetes. TIE2 is a tyrosine kinase receptor expressed on vascular endothelial cells and contributes to the maintenance of a vascular system. In this paper, we screened for natural products with an activity to induce phosphorylation of TIE2, which will be beneficial for protection of a vascular system. Employing HeLa cells expressing TIE2, flavan-3-ols, flavonoids, anthocyanidins and triterpenoids were identified as active compounds that induce TIE2 phosphorylation. Several of the identified compounds are previously reported to protect endothelial cells from inflammation. Thus, the result provided TIE2 as the candidate receptor protein of those compounds for the protective effect of endothelial cells and the identified compounds will be a good candidate for maintenance of a vascular system.
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Affiliation(s)
- Saki Igarashi
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
| | - Sayaka Hioki
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
| | | | | | | | - Eisuke Kato
- Research Faculty of Agriculture, Hokkaido University, Sapporo, Japan
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3
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Miao YD, Tang XL, Wang JT, Mi DH. Prognostic role of expression of angiogenesis markers in hepatocellular carcinoma: A bioinformatics analysis. World J Gastroenterol 2022; 28:4221-4226. [PMID: 36157115 PMCID: PMC9403432 DOI: 10.3748/wjg.v28.i30.4221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/22/2021] [Accepted: 07/17/2022] [Indexed: 02/06/2023] Open
Abstract
The expression of angiopoietin (ANGPT) 1, ANGPT2, vascular endothelial growth factor (VEGF) A, VEGFB, VEGFC, VEGFD, and placental growth factor (PGF) is significantly higher in tumor tissues than in normal tissues in both unpaired and paired hepatocellular carcinoma (HCC) samples. ANGPT2, VEGFB, VEGFC, and PGF are primarily involved in regulating the activation of the epithelial-mesenchymal transition pathway; ANGPT1 is primarily involved in regulating the activation of the RAS/mitogen-activated protein kinase and receptor tyrosine kinase (RTK) pathways; VEGFA is engaged in regulating the RTK activation pathway; and VEGFD is mainly involved in regulating the activation of the tuberous sclerosis protein/mammalian target of rapamycin pathway. There is a significant difference in overall survival between HCC patients with high and low expression of ANGPT2, PGF, VEGFA, and VEGFD. Disease free survival (DFS) is significantly shorter in HCC patients with high ANGPT2, PGF, and VEGFA expression than in those with low ANGPT2, PGF, and VEGFA expression.
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Affiliation(s)
- Yan-Dong Miao
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, Gansu Province, China
- Yantai Affiliated Hospital of Binzhou Medical University, The Second Clinical Medical College of Binzhou Medical University, Yantai 264000, Shandong Province, China
| | - Xiao-Long Tang
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, Gansu Province, China
| | - Jiang-Tao Wang
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, Gansu Province, China
- Yantai Affiliated Hospital of Binzhou Medical University, The Second Clinical Medical College of Binzhou Medical University, Yantai 264000, Shandong Province, China
| | - Deng-Hai Mi
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, Gansu Province, China
- Dean’s Office, Gansu Academy of Traditional Chinese Medicine, Lanzhou 730000, Gansu Province, China
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4
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Endoplasmic Reticulum Stress in Diabetic Nephrology: Regulation, Pathological Role, and Therapeutic Potential. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7277966. [PMID: 34394833 PMCID: PMC8355967 DOI: 10.1155/2021/7277966] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/29/2021] [Accepted: 07/17/2021] [Indexed: 12/20/2022]
Abstract
Recent progress has been made in understanding the roles and mechanisms of endoplasmic reticulum (ER) stress in the development and pathogenesis of diabetic nephropathy (DN). Hyperglycemia induces ER stress and apoptosis in renal cells. The induction of ER stress can be cytoprotective or cytotoxic. Experimental treatment of animals with ER stress inhibitors alleviated renal damage. Considering these findings, the normalization of ER stress by pharmacological agents is a promising approach to prevent or arrest DN progression. The current article reviews the mechanisms, roles, and therapeutic aspects of these findings.
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Fu J, Yi Z, Cai M, Yuan W, Zhang W, Lee K, He JC. Global transcriptomic changes in glomerular endothelial cells in mice with podocyte depletion and glomerulosclerosis. Cell Death Dis 2021; 12:687. [PMID: 34244474 PMCID: PMC8270962 DOI: 10.1038/s41419-021-03951-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 06/03/2021] [Accepted: 06/08/2021] [Indexed: 02/06/2023]
Abstract
Podocytes are a key component of the glomerular filtration barrier, and its dysfunction and eventual loss drive glomerular disease progression. Recent research has demonstrated the importance of podocyte cross-talk with other glomerular cells, such as glomerular endothelial cells (GECs), in both glomerular homeostasis and in disease settings. However, how GECs are affected globally by podocyte injury and loss in disease settings remains unclear. Therefore, to characterize the molecular changes occurring in GECs in response to the podocyte loss, we performed the transcriptomic profiling of isolated GECs after diphtheria toxin (DT)-mediated podocyte depletion in transgenic mice with podocyte-specific human DT receptor and endothelial-specific enhanced yellow fluorescent protein (EYFP) expression. DT administration led to nearly 40% of podocyte loss with the development of glomerulosclerosis. Differential gene expression analysis of isolated GECs in the diseased mice showed significant changes in pathways related to cell adhesion and actin cytoskeleton, proliferation, and angiogenesis, as well as apoptosis and cell death. However, quantification of EYFP + GECs indicated that there was a reduction in GECs in the diseased mice, suggesting that despite the ongoing proliferation, the concomitant injury and the activation of cell death program results in their overall net loss. The upstream regulator analysis strongly indicated the involvement of p53, TGF-β1, and TNF-α as key mediators of the molecular changes occurring in GECs in the diseased mice. Our findings demonstrate significant molecular changes in GECs as a secondary consequence of podocyte loss and provide a valuable resource for further in-depth analysis of potential glomerular cross-talk mediators.
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Affiliation(s)
- Jia Fu
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Zhengzi Yi
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Minchao Cai
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Weijie Yuan
- Department of Nephrology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Weijia Zhang
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kyung Lee
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - John Cijiang He
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Renal Program, James J. Peters Veterans Affairs Medical Center at Bronx, New York, NY, USA.
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Effects of DA-9801 on the inflammation and apoptosis induced by angiotensin II in human dermal microvascular endothelial cells. J Pharmacol Sci 2020; 145:52-59. [PMID: 33357779 DOI: 10.1016/j.jphs.2020.10.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/05/2020] [Accepted: 10/28/2020] [Indexed: 11/22/2022] Open
Abstract
DA-9801, a plant-based drug used for the treatment of diabetic neuropathy, is known to improve angiotensin II (Ang II)-induced vascular endothelial cell dysfunction. However, the underlying mechanism is not fully understood. We aimed to determine whether the protective effect of DA-9801 against Ang II-induced endothelial cell dysfunction was mediated via inhibition of endothelial cell inflammation and apoptosis. Ang II-induced oxidative stress was attenuated by pretreatment of human dermal microvascular endothelial cells (HDMECs) with DA-9801. This prevented the Ang II-induced upregulation of NAD(P)H oxidase (the NOX4 and p22phox subunits) and reactive oxygen species. Further, pretreatment of HDMECs with DA-9801 ameliorated Ang II-mediated nuclear factor kappa B activity via prevention of the upregulation of extracellular signal-regulated kinase and p38 mitogen-activated protein kinase. It also decreased the Ang II-stimulated increase in inducible nitric oxide synthase (NOS) and decreased endothelial NOS protein expression. DA-9801 decreased Ang II-induced upregulation of intercellular adhesion molecule 1, vascular adhesion molecule, and E-selectin in HDMECs. Moreover, TUNEL and annexin V-FITC fluorescence staining for apoptosis and the activities of caspases 9, 7, and 3 decreased in HDMECs pretreated with DA-9801, indicating that the drug enhanced anti-apoptotic pathways. Thus, DA-9801 modulated Ang II-induced endothelial cell dysfunction via inflammatory and apoptotic pathways.
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7
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Ricciardi CA, Gnudi L. The endoplasmic reticulum stress and the unfolded protein response in kidney disease: Implications for vascular growth factors. J Cell Mol Med 2020; 24:12910-12919. [PMID: 33067928 PMCID: PMC7701511 DOI: 10.1111/jcmm.15999] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/14/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022] Open
Abstract
Acute kidney injury (AKI) and chronic kidney disease (CKD) represent an important challenge for healthcare providers. The identification of new biomarkers/pharmacological targets for kidney disease is required for the development of more effective therapies. Several studies have shown the importance of the endoplasmic reticulum (ER) stress in the pathophysiology of AKI and CKD. ER is a cellular organelle devolved to protein biosynthesis and maturation, and cellular detoxification processes which are activated in response to an insult. This review aimed to dissect the cellular response to ER stress which manifests with activation of the unfolded protein response (UPR) with its major branches, namely PERK, IRE1α, ATF6 and the interplay between ER and mitochondria in the pathophysiology of kidney disease. Further, we will discuss the relationship between mediators of renal injury (with specific focus on vascular growth factors) and ER stress and UPR in the pathophysiology of both AKI and CKD with the aim to propose potential new targets for treatment for kidney disease.
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Affiliation(s)
- Carlo Alberto Ricciardi
- King's College of London, Faculty of Life Sciences & Medicine, School of Cardiovascular Medicine & Sciences, Section Vascular Biology and Inflammation, British Heart Foundation Centre for Research Excellence, London, UK
| | - Luigi Gnudi
- King's College of London, Faculty of Life Sciences & Medicine, School of Cardiovascular Medicine & Sciences, Section Vascular Biology and Inflammation, British Heart Foundation Centre for Research Excellence, London, UK
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Yu N, Yang L, Ling L, Liu Y, Yu Y, Wu Q, Gu Y, Niu J. Curcumin attenuates angiotensin II-induced podocyte injury and apoptosis by inhibiting endoplasmic reticulum stress. FEBS Open Bio 2020; 10:1957-1966. [PMID: 32770719 PMCID: PMC7530386 DOI: 10.1002/2211-5463.12946] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/21/2020] [Accepted: 08/06/2020] [Indexed: 12/16/2022] Open
Abstract
Podocytes are an important component of the glomerular filtration barrier in the kidneys. The dysfunction and apoptosis of podocytes are important factors that can lead to the progression of chronic kidney disease (CKD). In CKD, angiotensin II is continuously elevated in circulation and is considered to have key roles in inducing podocyte injury and apoptosis. Curcumin is a hydrophobic polyphenolic compound extracted from turmeric. Increasing evidence demonstrates that curcumin has a protective effect on the kidneys in CKD. However, the mechanisms mediating this protective effect remain unclear. The aim of this study was to explore whether curcumin could protect against angiotensin II‐induced injury and apoptosis of podocytes. We performed western blotting, immunofluorescence, phalloidin staining, and terminal deoxynucleotidyl transferase nick‐end labeling staining to observe the expression level of podocyte‐specific proteins, apoptosis‐related proteins, and the arrangement of F‐actin. We found that curcumin could reverse angiotensin II‐induced podocyte injury and apoptosis in a dose‐dependent manner. In addition, curcumin dose‐dependently attenuated a pro‐apoptotic pathway, activated by angiotensin II‐induced endoplasmic reticulum stress. Conversely, the protective effects of curcumin were impaired upon addition of tunicamycin, an activator of endoplasmic reticulum stress. Thus, we speculate that curcumin protects against angiotensin II‐induced podocyte injury and apoptosis, at least partly by inhibiting endoplasmic reticulum stress.
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Affiliation(s)
- Nan Yu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Lin Yang
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Lilu Ling
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Yuan Liu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Ying Yu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Qing Wu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Yong Gu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China.,Department of Nephrology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jianying Niu
- Department of Nephrology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
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9
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Shu S, Zhang Y, Li W, Wang L, Wu Y, Yuan Z, Zhou J. The role of monocyte chemotactic protein-induced protein 1 (MCPIP1) in angiotensin II-induced macrophage apoptosis and vulnerable plaque formation. Biochem Biophys Res Commun 2019; 515:378-385. [PMID: 31155290 DOI: 10.1016/j.bbrc.2019.05.145] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 05/23/2019] [Indexed: 11/19/2022]
Abstract
Atherosclerotic plaque rupture is the main cause of acute coronary syndrome (ACS). Angiotensin II (Ang II) and macrophage apoptosis are involved in the pathogenesis of atherosclerosis. However, the underlying mechanisms remain unclear. We aimed to address the role of monocyte chemotactic protein-induced protein 1 (MCPIP1) in Ang II-induced macrophage apoptosis and vulnerable plaque formation. In mouse peritoneal macrophages, Ang II promoted endoplasmic reticulum (ER) stress-dependent macrophage apoptosis. Ang II markedly upregulated the expression of MCPIP1 via activating p38 mitogen-activated protein kinase (p38 MAPK). Treatment with MCPIP1 shRNA downregulated ER stress-related proteins and decreased macrophage apoptosis induced by Ang II. Ang II also activated the AMP-activated protein kinase (AMPK) signaling in macrophages. Inhibition of AMPK reduced macrophage apoptosis by inhibiting the p38 MAPK/MCPIP1/ER stress pathway. Furthermore, blocking the Ang II type 1 receptor (AT1R) with losartan effectively inhibited Ang II-induced macrophage apoptosis and AMPK/p38 MAPK/MCPIP1/ER pathway activation. In the atherosclerotic vulnerable plaque model in mice, losartan inhibited the progression of atherosclerosis and transformed vulnerable plaque into a more stable phenotype. Moreover, losartan markedly decreased the number of CD68+TUNEL+, CD68+MCPIP1+, CD68+p-eIF2α+ and CD68+CHOP+ cells in the lesion area. Taken together, Ang II promotes macrophage apoptosis via the AMPK/p38 MAPK/MCPIP1/ER stress pathway in macrophages via its receptor AT1R, which may contribute to vulnerable plaque formation. Our study clarifies a novel regulatory role of MCPIP1 in Ang II-induced macrophage apoptosis and plaque instability, providing a potential therapeutic target for prevention of ACS.
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MESH Headings
- AMP-Activated Protein Kinases/metabolism
- Angiotensin II/physiology
- Angiotensin II Type 1 Receptor Blockers/pharmacology
- Animals
- Apoptosis/drug effects
- Apoptosis/physiology
- Disease Models, Animal
- Endoplasmic Reticulum Stress
- Losartan/pharmacology
- MAP Kinase Signaling System
- Macrophages, Peritoneal/pathology
- Macrophages, Peritoneal/physiology
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout, ApoE
- Plaque, Atherosclerotic/etiology
- Plaque, Atherosclerotic/pathology
- Plaque, Atherosclerotic/physiopathology
- RAW 264.7 Cells
- RNA, Small Interfering/genetics
- Receptor, Angiotensin, Type 1/metabolism
- Ribonucleases/antagonists & inhibitors
- Ribonucleases/genetics
- Ribonucleases/physiology
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Affiliation(s)
- Shan Shu
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yan Zhang
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Wenyuan Li
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Lijun Wang
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Yue Wu
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China
| | - Zuyi Yuan
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China; Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education, Xi'an, 710061, Shaanxi, China.
| | - Juan Zhou
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical School, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China; Key Laboratory of Molecular Cardiology of Shannxi Province, Xi'an, 710061, Shaanxi, China.
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10
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Estrada CC, Maldonado A, Mallipattu SK. Therapeutic Inhibition of VEGF Signaling and Associated Nephrotoxicities. J Am Soc Nephrol 2019; 30:187-200. [PMID: 30642877 DOI: 10.1681/asn.2018080853] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Inhibition of vascular endothelial growth factor A (VEGFA)/vascular endothelial growth factor receptor 2 (VEGFR2) signaling is a common therapeutic strategy in oncology, with new drugs continuously in development. In this review, we consider the experimental and clinical evidence behind the diverse nephrotoxicities associated with the inhibition of this pathway. We also review the renal effects of VEGF inhibition's mediation of key downstream signaling pathways, specifically MAPK/ERK1/2, endothelial nitric oxide synthase, and mammalian target of rapamycin (mTOR). Direct VEGFA inhibition via antibody binding or VEGF trap (a soluble decoy receptor) is associated with renal-specific thrombotic microangiopathy (TMA). Reports also indicate that tyrosine kinase inhibition of the VEGF receptors is preferentially associated with glomerulopathies such as minimal change disease and FSGS. Inhibition of the downstream pathway RAF/MAPK/ERK has largely been associated with tubulointerstitial injury. Inhibition of mTOR is most commonly associated with albuminuria and podocyte injury, but has also been linked to renal-specific TMA. In all, we review the experimentally validated mechanisms by which VEGFA-VEGFR2 inhibitors contribute to nephrotoxicity, as well as the wide range of clinical manifestations that have been reported with their use. We also highlight potential avenues for future research to elucidate mechanisms for minimizing nephrotoxicity while maintaining therapeutic efficacy.
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Affiliation(s)
- Chelsea C Estrada
- Division of Nephrology, Department of Medicine, Stony Brook University, Stony Brook, New York; and
| | - Alejandro Maldonado
- Division of Nephrology, Department of Medicine, Stony Brook University, Stony Brook, New York; and
| | - Sandeep K Mallipattu
- Division of Nephrology, Department of Medicine, Stony Brook University, Stony Brook, New York; and .,Renal Section, Northport Veterans Affairs Medical Center, Northport, New York
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11
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Zhang Y, Ding Z, Zhao G, Zhang T, Xu Q, Cui B, Liu JX. Transcriptional responses and mechanisms of copper nanoparticle toxicology on zebrafish embryos. JOURNAL OF HAZARDOUS MATERIALS 2018; 344:1057-1068. [PMID: 30216965 DOI: 10.1016/j.jhazmat.2017.11.039] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Revised: 11/21/2017] [Accepted: 11/21/2017] [Indexed: 06/08/2023]
Abstract
Copper nanoparticles (CuNPs) are used widely due to their attractive antimicrobial properties. However, their biosafety and kinetics on vertebrate embryogenesis are still limited. In this study, CuNPs were revealed to induce eye hypoplasia and almost no digestive gut in zebrafish embryos in a dose-dependent manner. Then, transcriptional responses of zebrafish embryos to CuNPs were investigated, and it was revealed that the genes related to wound healing and stimulus responses were up-regulated, but the genes associated with phototransduction and metabolisms were down-regulated. Differentially expressed genes (DEGs) in CuNPs-exposed and Cu2+-exposed embryos were compared further. Increased VEGF signaling and expression of fli1 were observed in CuNPs rather than Cu2+ treated embryos, but increased reactive oxygen species (ROS) and the resulting enhanced hemoglobin were observed in both CuNPs and Cu2+ treated embryos. This study for the first time revealed that CuNPs and Cu2+ both down-regulated the genes related to phototransduction and metabolisms, but up-regulated the genes associated with hemoglobin. Additionally, compared with Cu2+, CuNPs might be more effective in elevating blood vessels in embryos. Our results suggest that the biological effects of CuNPs are organogenesis-specific during fish embryogenesis, and both particles and ions might mediate their biological effects on embryogenesis.
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Affiliation(s)
- YanJun Zhang
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - ZhangCheng Ding
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Guang Zhao
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Ting Zhang
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - QinHan Xu
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Bei Cui
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Jing-Xia Liu
- College of Fisheries, Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan, 430070, China; Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan, Changde, 415000, China.
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12
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Matkar PN, Ariyagunarajah R, Leong-Poi H, Singh KK. Friends Turned Foes: Angiogenic Growth Factors beyond Angiogenesis. Biomolecules 2017; 7:biom7040074. [PMID: 28974056 PMCID: PMC5745456 DOI: 10.3390/biom7040074] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 09/15/2017] [Accepted: 09/22/2017] [Indexed: 12/13/2022] Open
Abstract
Angiogenesis, the formation of new blood vessels from pre-existing ones is a biological process that ensures an adequate blood flow is maintained to provide the cells with a sufficient supply of nutrients and oxygen within the body. Numerous soluble growth factors and inhibitors, cytokines, proteases as well as extracellular matrix proteins and adhesion molecules stringently regulate the multi-factorial process of angiogenesis. The properties and interactions of key angiogenic molecules such as vascular endothelial growth factors (VEGFs), fibroblast growth factors (FGFs) and angiopoietins have been investigated in great detail with respect to their molecular impact on angiogenesis. Since the discovery of angiogenic growth factors, much research has been focused on their biological actions and their potential use as therapeutic targets for angiogenic or anti-angiogenic strategies in a context-dependent manner depending on the pathologies. It is generally accepted that these factors play an indispensable role in angiogenesis. However, it is becoming increasingly evident that this is not their only role and it is likely that the angiogenic factors have important functions in a wider range of biological and pathological processes. The additional roles played by these molecules in numerous pathologies and biological processes beyond angiogenesis are discussed in this review.
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Affiliation(s)
- Pratiek N Matkar
- Division of Cardiology, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada.
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | | | - Howard Leong-Poi
- Division of Cardiology, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada.
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | - Krishna K Singh
- Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada.
- Division of Vascular Surgery, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON M5B 1W8, Canada.
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada.
- Department of Surgery, University of Toronto, Toronto, ON M5S 1A8, Canada.
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13
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Li L, Huang B, Song S, Sohun H, Rao Z, Tao L, Jin Q, Zeng J, Wu R, Ji K, Lin J, Wu L, Chu M. A20 functions as mediator in TNFα-induced injury of human umbilical vein endothelial cells through TAK1-dependent MAPK/eNOS pathway. Oncotarget 2017; 8:65230-65239. [PMID: 29029426 PMCID: PMC5630326 DOI: 10.18632/oncotarget.18191] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 04/27/2017] [Indexed: 12/15/2022] Open
Abstract
A20, a negative regulator of nuclear factor κB signaling, has been shown to attenuate atherosclerotic events. Transforming growth factor beta-activated kinase 1 (TAK1) plays a critical role in TNFα-induced atherosclerosis via endothelial nitric oxide (NO) synthase (eNOS) uncoupling and NO reduction. In the study, we investigated the hypothesis that A20 protected endothelial cell injury induced by TNFα through modulating eNOS activity and TAK1 signalling. Human umbilical vein endothelial cells (HUVECs) were stimulated by TNFα. The impact of A20 on cell apoptosis, eNOS expression and NO production and related TAK1 pathway were detected. Both eNOS and NO production were remarkably reduced. TAK1, p38 MAPK phosphorylation and HUVECs apoptosis were enhanced after TNFα stimulation for 2 hrs. Inhibition of A20 significantly activated TAK1, p38 MAPK phosphorylation, and cell apoptosis, but blocked eNOS expression and NO production. Furthermore, p38 MAPK expression was suppressed by A20 over-expression, but re-enhanced by inhibiting A20 or activation of TAK1. Furtherly, TNFα-induced suppression of eNOS and NO production were largely prevented by silencing p38 MAPK. Collectively, our results suggested that A20-mediated TAK1 inactivation suppresses p38 MAPK and regulated MAPK/eNOS pathway, which contributes to endothelial cell survival and function preservation.
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Affiliation(s)
- Lei Li
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | | | - Shiyang Song
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Hareshwaree Sohun
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Zhiheng Rao
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Luyuan Tao
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Qike Jin
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Jingjing Zeng
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Rongzhou Wu
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Kangting Ji
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Jiafeng Lin
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Lianpin Wu
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Maoping Chu
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital, Wenzhou Medical University, Wenzhou 325027, China
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14
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Gao H, Chen P, Wei L, Xu J, Liu L, Zhao Y, Hara H, Pan D, Li Z, Cooper DKC, Cai Z, Mou L. Angiopoietin-1 and angiopoietin-2 protect porcine iliac endothelial cells from human antibody-mediated complement-dependent cytotoxicity through phosphatidylinositide 3-kinase/AKT pathway activation. Xenotransplantation 2017; 24. [PMID: 28474373 DOI: 10.1111/xen.12309] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 03/16/2017] [Accepted: 03/27/2017] [Indexed: 01/06/2023]
Abstract
Cytokines play crucial roles in inflammation, but their role in xenotransplantation remains elusive. We assessed the role of several cytokines using an in vitro model of human antibody-mediated complement-dependent cytotoxicity (CDC). Recombinant human angiopoietin-1 (Ang-1) protected porcine iliac endothelial cells (PIECs) from human antibody-mediated CDC. Interestingly, human angiopoietin-2 (Ang-2) had a similar protective effect on PIECs. By flow cytometry analysis, the extent of human IgM and IgG binding to PIECs did not decrease when PIECs were exposed to Ang-1/Ang-2. The mRNA level of complement regulators (CD46, CD55, CD59) was not upregulated in PIECs treated with Ang-1/Ang-2, both of which activated the PI3K/AKT pathway in PIECs. Wortmannin, which inhibits phosphatidylinositide 3-kinase (PI3K), suppressed Ang-1/Ang-2-induced AKT phosphorylation and consequent Ang-1/Ang-2-mediated protection of PIECs in human antibody-mediated CDC model. Moreover, dominant negative AKT also suppressed Ang-1/Ang-2-mediated protection of PIECs in this model. In conclusion, our data suggest that human Ang-1/Ang-2 induces the protection of PIECs from human antibody-mediated CDC by activating the PI3K/AKT pathway. Ang-1/Ang-2 is likely to protect porcine endothelial cells and may be beneficial in xenotransplantation research.
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Affiliation(s)
- Hanchao Gao
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China.,Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Pengfei Chen
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China.,Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Ling Wei
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Jia Xu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Lu Liu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China.,Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yanli Zhao
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Hidetaka Hara
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Dengke Pan
- Key Laboratory of Farm Animal Genetic Resource and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zesong Li
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - David K C Cooper
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Zhiming Cai
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Lisha Mou
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, China
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15
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Abstract
PURPOSE OF REVIEW Diabetic nephropathy (DN) has become the leading cause of end-stage renal disease (ESRD) worldwide. Accumulating evidence suggests that endoplasmic reticulum (ER) stress plays a major role in the development and progression of DN. Recent findings suggested that many attributes of DN, such as hyperglycemia, proteinuria, and increased advanced glycation end products and free fatty acids, can all trigger unfolded protein response (UPR) in kidney cells. Herein, we review the current knowledge on the role of ER stress in the setting of kidney injury with a specific emphasis on DN. RECENT FINDINGS As maladaptive ER stress response caused by excessively prolonged UPR will eventually cause cell death and increase kidney injury, several ER stress inhibitors have been shown to improve DN in animal models, albeit blocking both adaptive and maladaptive UPR. More recently, reticulon-1A (RTN1A), an ER-associated protein, was shown to be increased in both human and mouse diabetic kidneys. Its expression correlates with the progression of DN, and its polymorphisms are associated with kidney disease in people with diabetes. Increased RTN1A expression heightened the ER stress response and renal cell apoptosis, and conversely reduced RTN1A in renal cells decreased apoptosis and ameliorated kidney injury and DN progression, suggesting that RTN1A may be a novel target to specifically restrain the maladaptive UPR. These findings suggest that ER stress response in renal cells is a key driver of progression of DN and that the inhibition of the unchecked ER stress response in DN, such as by inhibition of RTN1A function, may be a promising therapeutic approach against DN.
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Affiliation(s)
- Ying Fan
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Kyung Lee
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1243, New York, NY, 10029, USA
| | - Niansong Wang
- Department of Nephrology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - John Cijiang He
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L Levy Place, Box 1243, New York, NY, 10029, USA.
- Renal Section, James J Peters VAMC, Bronx, NY, USA.
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