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Du J, Liu P, Zhou Y, Misener S, Sharma I, Leeaw P, Thomson BR, Jin J, Quaggin SE. The mechanosensory channel PIEZO1 functions upstream of angiopoietin/TIE/FOXO1 signaling in lymphatic development. J Clin Invest 2024; 134:e176577. [PMID: 38747287 PMCID: PMC11093609 DOI: 10.1172/jci176577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 03/12/2024] [Indexed: 05/19/2024] Open
Abstract
Lymphedema is a debilitating disease with no effective cure and affects an estimated 250 million individuals worldwide. Prior studies have identified mutations in piezo-type mechanosensitive ion channel component 1 (PIEZO1), angiopoietin 2 (ANGPT2), and tyrosine kinase with Ig-like and EGF-like domains 1 (TIE1) in patients with primary lymphedema. Here, we identified crosstalk between these molecules and showed that activation of the mechanosensory channel PIEZO1 in lymphatic endothelial cells (LECs) caused rapid exocytosis of the TIE ligand ANGPT2, ectodomain shedding of TIE1 by disintegrin and metalloproteinase domain-containing protein 17 (ADAM17), and increased TIE/PI3K/AKT signaling, followed by nuclear export of the transcription factor FOXO1. These data establish a functional network between lymphedema-associated genes and provide what we believe to be the first molecular mechanism bridging channel function with vascular signaling and intracellular events culminating in transcriptional regulation of genes expressed in LECs. Our study provides insights into the regulation of lymphatic function and molecular pathways involved in human disease.
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Affiliation(s)
- Jing Du
- Feinberg Cardiovascular and Renal Research Institute
| | - Pan Liu
- Feinberg Cardiovascular and Renal Research Institute
| | - Yalu Zhou
- Feinberg Cardiovascular and Renal Research Institute
| | - Sol Misener
- Feinberg Cardiovascular and Renal Research Institute
| | - Isha Sharma
- Feinberg Cardiovascular and Renal Research Institute
| | - Phoebe Leeaw
- Feinberg Cardiovascular and Renal Research Institute
| | - Benjamin R. Thomson
- Feinberg Cardiovascular and Renal Research Institute
- Department of Ophthalmology, and
| | - Jing Jin
- Feinberg Cardiovascular and Renal Research Institute
- Division of Nephrology, Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
| | - Susan E. Quaggin
- Feinberg Cardiovascular and Renal Research Institute
- Division of Nephrology, Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
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Li Y, Liu P, Zhou Y, Maekawa H, Silva JB, Ansari MJ, Boubes K, Alia Y, Deb DK, Thomson BR, Jin J, Quaggin SE. Activation of Angiopoietin-Tie2 Signaling Protects the Kidney from Ischemic Injury by Modulation of Endothelial-Specific Pathways. J Am Soc Nephrol 2023; 34:969-987. [PMID: 36787763 PMCID: PMC10278803 DOI: 10.1681/asn.0000000000000098] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/19/2023] [Indexed: 02/16/2023] Open
Abstract
SIGNIFICANCE STATEMENT Ischemia-reperfusion AKI (IR-AKI) is common and causes significant morbidity. Effective treatments are lacking. However, preclinical studies suggest that inhibition of angiopoietin-Tie2 vascular signaling promotes injury, whereas activation of Tie2 is protective. We show that kidney ischemia leads to increased levels of the endothelial-specific phosphatase vascular endothelial protein tyrosine phosphatase (VE-PTP; PTPRB), which inactivates Tie2. Activation of Tie2 through VE-PTP deletion, or delivery of a novel angiopoietin mimetic (Hepta-ANG1), abrogated IR-AKI in mice. Single-cell RNAseq analysis showed Tie2 activation promotes increased Entpd1 expression, downregulation of FOXO1 target genes in the kidney vasculature, and emergence of a new subpopulation of glomerular endothelial cells. Our data provide a molecular basis and identify a candidate therapeutic to improve endothelial integrity and kidney function after IR-AKI. BACKGROUND Ischemia-reperfusion AKI (IR-AKI) is estimated to affect 2%-7% of all hospitalized patients. The significant morbidity and mortality associated with AKI indicates urgent need for effective treatments. Previous studies have shown activation of the vascular angiopoietin-Tie2 tyrosine kinase signaling pathway abrogates ischemia-reperfusion injury (IRI). We extended previous studies to (1) determine the molecular mechanism(s) underlying kidney injury and protection related to decreased or increased activation of Tie2, respectively, and (2) to test the hypothesis that deletion of the Tie2 inhibitory phosphatase vascular endothelial protein tyrosine phosphatase (VE-PTP) or injection of a new angiopoietin mimetic protects the kidney from IRI by common molecular mechanism(s). METHODS Bilateral IR-AKI was performed in VE-PTP wild-type or knockout mice and in C57BL/6J mice treated with Hepta-ANG1 or vehicle. Histologic, immunostaining, and single-cell RNA sequencing analyses were performed. RESULTS The phosphatase VE-PTP, which negatively regulates the angiopoietin-Tie2 pathway, was upregulated in kidney endothelial cells after IRI, and genetic deletion of VE-PTP in mice protected the kidney from IR-AKI. Injection of Hepta-ANG1 potently activated Tie2 and protected the mouse kidney from IRI. Single-cell RNAseq analysis of kidneys from Hepta-ANG1-treated and vehicle-treated mice identified endothelial-specific gene signatures and emergence of a new glomerular endothelial subpopulation associated with improved kidney function. Overlap was found between endothelial-specific genes upregulated by Hepta-ANG1 treatment and those downregulated in HUVECs with constitutive FOXO1 activation, including Entpd1 / ENTPD1 that modulates purinergic receptor signaling. CONCLUSIONS Our data support a key role of the endothelium in the development of IR-AKI, introduce Hepta-ANG1 as a putative new therapeutic biologic, and report a model to explain how IRI reduces Tie2 signaling and how Tie2 activation protects the kidney. PODCAST This article contains a podcast at https://dts.podtrac.com/redirect.mp3/www.asn-online.org/media/podcast/JASN/2023_05_23_JSN_Ang_EP23_052323.mp3.
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Affiliation(s)
- Yanyang Li
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, Illinois
| | - Pan Liu
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, Illinois
| | - Yalu Zhou
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, Illinois
| | - Hiroshi Maekawa
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - John B. Silva
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Mohammed Javeed Ansari
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Khaled Boubes
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Yazan Alia
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Dilip K. Deb
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Jing Jin
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, Illinois
| | - Susan E. Quaggin
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, Illinois
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, Illinois
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Value of Serum miR-34a and Ang-1 in Severity Evaluation and Prognosis of Neonatal Respiratory Distress Syndrome. Emerg Med Int 2022; 2022:5480026. [PMID: 36186528 PMCID: PMC9519325 DOI: 10.1155/2022/5480026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/29/2022] [Indexed: 11/28/2022] Open
Abstract
Methods A total of 96 neonates with RDS admitted to the hospital from February 2020 to April 2021 were selected as the research subjects. According to the neonatal critical illness score, the subjects were divided into non-critical group (n = 50), critical group (n = 27), and extremely critical group (n = 19). According to survival status, the subjects were divided into survival group (n = 76) and death group (n = 20). Serum miR-34a and Ang-1 levels and NCIS were compared between RDS neonates with different severity and prognosis. The predictive value of serum miR-34a, Ang-1, and NCIS for death was analyzed using the receiver operating characteristic (ROC) curve. Results Serum miR-34a and Ang-1 levels and NCIS were significantly different in the 3 groups (P < 0.05). Serum miR-34a level decreased in order, while serum Ang-1 level and NCIS increased in order from the extremely critical group, the critical group to the non-critical group (P < 0.05). The survival group had lower serum miR-34a level and higher Ang-1 level and NCIS than the death group (P < 0.05). ROC curve analysis showed that the area under the curve (AUC) values of serum miR-34a, Ang-1, and NCIS to predict death of RDS neonates were 0.745, 0.7667, and 0.736. The cutoff values were 1.175, 6.815 ng/mL, and 85 points. The AUC of joint prediction with the three was 0.924, significantly larger than that of each index. The sensitivity and specificity were 94.70% and 90.00%. Conclusion Serum miR-34a, Ang-1, and NCIS are closely related to the severity and prognosis of neonatal RDS. Combined detection of the three is helpful for prognosis of neonatal RDS.
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Wang H, Ge G, Gao W, Luo J, Tang K. Selective C3–H nitration of 2-sulfanilamidopyridines with tert-butyl nitrite. Org Chem Front 2022. [DOI: 10.1039/d2qo00679k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A selective C3–H nitration of bioactive 2-sulfanilamidopyridine derivatives, including corticosteroid 11-β-dehydrogenase isozyme, secretory phospholipase A2 inhibitor and human neutrophil elastase inhibitor, has been reported.
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Affiliation(s)
- Huifang Wang
- Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Guoping Ge
- Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Wenqing Gao
- Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Junfei Luo
- Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
| | - Keqi Tang
- Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang, 315211, P. R. China
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Jo G, Bae J, Hong HJ, Han AR, Kim DK, Hong SP, Kim JA, Lee S, Koh GY, Kim HM. Structural insights into the clustering and activation of Tie2 receptor mediated by Tie2 agonistic antibody. Nat Commun 2021; 12:6287. [PMID: 34725372 PMCID: PMC8560823 DOI: 10.1038/s41467-021-26620-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 10/15/2021] [Indexed: 01/09/2023] Open
Abstract
Angiopoietin (Angpt)-Tie receptor 2 (Tie2) plays key roles in vascular development and homeostasis as well as pathological vascular remodeling. Therefore, Tie2-agonistic antibody and engineered Angpt1 variants have been developed as potential therapeutics for ischemic and inflammatory vascular diseases. However, their underlying mechanisms for Tie2 clustering and activation remain elusive and the poor manufacturability and stability of Angpt1 variants limit their clinical application. Here, we develop a human Tie2-agonistic antibody (hTAAB), which targets the membrane proximal fibronectin type III domain of Tie2 distinct from the Angpt-binding site. Our Tie2/hTAAB complex structures reveal that hTAAB tethers the preformed Tie2 homodimers into polygonal assemblies through specific binding to Tie2 Fn3 domain. Notably, the polygonal Tie2 clustering induced by hTAAB is critical for Tie2 activation and are resistant to antagonism by Angpt2. Our results provide insight into the molecular mechanism of Tie2 clustering and activation mediated by hTAAB, and the structure-based humanization of hTAAB creates a potential clinical application.
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Affiliation(s)
- Gyunghee Jo
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126 Republic of Korea
| | - Jeomil Bae
- grid.410720.00000 0004 1784 4496Center for Vascular Research, IBS, Daejeon, 34141 Republic of Korea
| | - Ho Jeong Hong
- grid.410720.00000 0004 1784 4496Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126 Republic of Korea
| | - Ah-reum Han
- grid.410720.00000 0004 1784 4496Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126 Republic of Korea
| | - Do-Kyun Kim
- grid.410720.00000 0004 1784 4496Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126 Republic of Korea
| | - Seon Pyo Hong
- grid.410720.00000 0004 1784 4496Center for Vascular Research, IBS, Daejeon, 34141 Republic of Korea
| | - Jung A Kim
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea
| | - Sangkyu Lee
- grid.410720.00000 0004 1784 4496Center for Cognition and Sociality, IBS, Daejeon, 34126 Republic of Korea
| | - Gou Young Koh
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Vascular Research, IBS, Daejeon, 34141 Republic of Korea
| | - Ho Min Kim
- grid.37172.300000 0001 2292 0500Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Republic of Korea ,grid.410720.00000 0004 1784 4496Center for Biomolecular & Cellular Structure, Institute for Basic Science (IBS), Daejeon, 34126 Republic of Korea
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Thomson BR, Liu P, Onay T, Du J, Tompson SW, Misener S, Purohit RR, Young TL, Jin J, Quaggin SE. Cellular crosstalk regulates the aqueous humor outflow pathway and provides new targets for glaucoma therapies. Nat Commun 2021; 12:6072. [PMID: 34663817 PMCID: PMC8523664 DOI: 10.1038/s41467-021-26346-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 09/30/2021] [Indexed: 11/09/2022] Open
Abstract
Primary congenital glaucoma (PCG) is a severe disease characterized by developmental defects in the trabecular meshwork (TM) and Schlemm's canal (SC), comprising the conventional aqueous humor outflow pathway of the eye. Recently, heterozygous loss of function variants in TEK and ANGPT1 or compound variants in TEK/SVEP1 were identified in children with PCG. Moreover, common variants in ANGPT1and SVEP1 have been identified as risk alleles for primary open angle glaucoma (POAG) in GWAS studies. Here, we show tissue-specific deletion of Angpt1 or Svep1 from the TM causes PCG in mice with severe defects in the adjacent SC. Single-cell transcriptomic analysis of normal and glaucomatous Angpt1 deficient eyes allowed us to identify distinct TM and SC cell populations and discover additional TM-SC signaling pathways. Furthermore, confirming the importance of angiopoietin signaling in SC, delivery of a recombinant ANGPT1-mimetic promotes developmental SC expansion in healthy and Angpt1 deficient eyes, blunts intraocular pressure (IOP) elevation and RGC loss in a mouse model of PCG and lowers IOP in healthy adult mice. Our data highlight the central role of ANGPT1-TEK signaling and TM-SC crosstalk in IOP homeostasis and provide new candidates for SC-targeted glaucoma therapy.
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Affiliation(s)
- Benjamin R Thomson
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Pan Liu
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Tuncer Onay
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jing Du
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Stuart W Tompson
- Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Sol Misener
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Raj R Purohit
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Terri L Young
- Department of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Jing Jin
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA
| | - Susan E Quaggin
- Division of Nephrology and Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
- The Feinberg Cardiovascular and Renal Research Institute, Chicago, IL, USA.
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Mechanism of Phosgene-Induced Acute Lung Injury and Treatment Strategy. Int J Mol Sci 2021; 22:ijms222010933. [PMID: 34681591 PMCID: PMC8535529 DOI: 10.3390/ijms222010933] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/24/2021] [Accepted: 09/29/2021] [Indexed: 12/29/2022] Open
Abstract
Phosgene (COCl2) was once used as a classic suffocation poison and currently plays an essential role in industrial production. Due to its high toxicity, the problem of poisoning caused by leakage during production, storage, and use cannot be ignored. Phosgene mainly acts on the lungs, causing long-lasting respiratory depression, refractory pulmonary edema, and other related lung injuries, which may cause acute respiratory distress syndrome or even death in severe cases. Due to the high mortality, poor prognosis, and frequent sequelae, targeted therapies for phosgene exposure are needed. However, there is currently no specific antidote for phosgene poisoning. This paper reviews the literature on the mechanism and treatment strategies to explore new ideas for the treatment of phosgene poisoning.
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Hayashi SI, Rakugi H, Morishita R. Insight into the Role of Angiopoietins in Ageing-Associated Diseases. Cells 2020; 9:E2636. [PMID: 33302426 PMCID: PMC7762563 DOI: 10.3390/cells9122636] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Angiopoietin (Ang) and its receptor, TIE signaling, contribute to the development and maturation of embryonic vasculature as well as vascular remodeling and permeability in adult tissues. Targeting both this signaling pathway and the major pathway with vascular endothelial growth factor (VEGF) is expected to permit clinical applications, especially in antiangiogenic therapies against tumors. Several drugs targeting the Ang-TIE signaling pathway in cancer patients are under clinical development. Similar to how cancer increases with age, unsuitable angiogenesis or endothelial dysfunction is often seen in other ageing-associated diseases (AADs) such as atherosclerosis, Alzheimer's disease, type 2 diabetes, chronic kidney disease and cardiovascular diseases. Thus, the Ang-TIE pathway is a possible molecular target for AAD therapy. In this review, we focus on the potential role of the Ang-TIE signaling pathway in AADs, especially non-cancer-related AADs. We also suggest translational insights and future clinical applications of this pathway in those AADs.
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Affiliation(s)
- Shin-ichiro Hayashi
- Department of Clinical Gene Therapy, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hiromi Rakugi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan;
| | - Ryuichi Morishita
- Department of Clinical Gene Therapy, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
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