1
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Oka Y, Abe-Sato K, Tabuse H, Yasukawa Y, Yahara T, Nishimoto T, Kamitani M, Fukunaga T, Ochiai N, Kumasaka-Abe T, Hitaka K, Gunji E, Ohara H, Takeda T, Kojima N, Asami T. Discovery of TP0628103: A Highly Potent and Selective MMP-7 Inhibitor with Reduced OATP-Mediated Clearance Designed by Shifting Isoelectric Points. J Med Chem 2024; 67:1406-1420. [PMID: 38214909 DOI: 10.1021/acs.jmedchem.3c01967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Matrix metalloproteinase-7 (MMP-7) has been shown to play an important role in pathophysiological processes such as cancer and fibrosis. We previously discovered selective MMP-7 inhibitors by molecular hybridization and structure-based drug design. However, the systemic clearance (CLtot) of the biologically active lead compound was very high. Because our studies revealed that hepatic uptake by organic anion transporting polypeptide (OATP) was responsible for the high CLtot, we found a novel approach to reducing their uptake based on isoelectric point (IP) values as an indicator for substrate recognition by OATP1B1/1B3. Our "IP shift strategy" to adjust the IP values culminated in the discovery of TP0628103 (18), which is characterized by reduced in vitro OATP-mediated hepatic uptake and in vivo CLtot. Our in vitro-in vivo extrapolation of OATP-mediated clearance and the "IP shift strategy" provide crucial insights for a new medicinal chemistry approach to reducing the systemic clearance of OATP1B1/1B3 substrates.
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Affiliation(s)
- Yusuke Oka
- Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Kumi Abe-Sato
- Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Hideaki Tabuse
- Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Yoshifumi Yasukawa
- Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Tohru Yahara
- Drug Metabolism and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Tomohiro Nishimoto
- Drug Metabolism and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Masafumi Kamitani
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Takuya Fukunaga
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Nagahiro Ochiai
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Tomoko Kumasaka-Abe
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Kosuke Hitaka
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Emi Gunji
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Hiroki Ohara
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Takuya Takeda
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Naoki Kojima
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
| | - Taiji Asami
- Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama 331-9530, Japan
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2
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Song Q, Wang X, Cao Z, Xin C, Zhang J, Li S. The Apelin/APJ System: A Potential Therapeutic Target for Sepsis. J Inflamm Res 2024; 17:313-330. [PMID: 38250143 PMCID: PMC10800090 DOI: 10.2147/jir.s436169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 01/01/2024] [Indexed: 01/23/2024] Open
Abstract
Apelin is the native ligand for the G protein-coupled receptor APJ. Numerous studies have demonstrated that the Apelin/APJ system has positive inotropic, anti-inflammatory, and anti-apoptotic effects and regulates fluid homeostasis. The Apelin/APJ system has been demonstrated to play a protective role in sepsis and may serve as a promising therapeutic target for the treatment of sepsis. Better understanding of the mechanisms of the effects of the Apelin/APJ system will aid in the development of novel drugs for the treatment of sepsis. In this review, we provide a brief overview of the physiological role of the Apelin/APJ system and its role in sepsis.
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Affiliation(s)
- Qing Song
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
| | - Xi Wang
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
| | - Zhenhuan Cao
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
| | - Chun Xin
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
| | - Jingyuan Zhang
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
| | - Suwei Li
- Intensive Care Unit, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, 116000, People’s Republic of China
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3
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Abe-Sato K, Tabuse H, Kanazawa H, Kamitani M, Endo M, Tokura S, Wakabayashi S, Yahara T, Takeda T, Hitaka K, Gunji E, Kojima N, Oka Y. Structure-Based Optimization and Biological Evaluation of Potent and Selective MMP-7 Inhibitors for Kidney Fibrosis. J Med Chem 2023; 66:14653-14668. [PMID: 37861435 DOI: 10.1021/acs.jmedchem.3c01166] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Matrix metalloproteinase-7 (MMP-7) has been shown to play important roles in pathophysiological processes involved in the development/progression of diseases such as cancer and fibrosis. We discovered selective MMP-7 inhibitors composed of arylsulfonamide, carboxylate, and short peptides by a molecular hybridization approach. These compounds interacted with MMP-7 via multiple hydrogen bonds in the cocrystal structures. To obtain compounds for in vivo evaluation, we attempted structural optimization, particularly targeting Tyr167 at the S3 subsite through structure-based drug design, and identified compound 15 as showing improved MMP-7 potency and MMP subtype selectivity. A novel π-π stacking interaction with Tyr167 was achieved when 4-pyridylalanine was introduced as the P3 residue. Compound 15 suppressed the progression of kidney fibrosis in a dose-dependent manner in a mouse model of unilateral ureteral obstruction. Thus, we demonstrated, for the first time, that potent and selective MMP-7 inhibitors could prevent the progression of kidney fibrosis.
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Affiliation(s)
- Kumi Abe-Sato
- Medicinal Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Hideaki Tabuse
- Medicinal Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Harumi Kanazawa
- Medicinal Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Masafumi Kamitani
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Mayumi Endo
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Seiken Tokura
- Discovery Technologies Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Satoshi Wakabayashi
- Drug Metabolism and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Tohru Yahara
- Drug Metabolism and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Takuya Takeda
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Kosuke Hitaka
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Emi Gunji
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Naoki Kojima
- Pharmacology Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
| | - Yusuke Oka
- Medicinal Chemistry Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403, Yoshino-Cho, Kita-Ku, Saitama, Saitama 331-9530, Japan
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4
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Shen J, Feng J, Wu Z, Ou Y, Zhang Q, Nong Q, Wu Q, Li C, Tan X, Ye M, Gao Z, Zhang Y, Liang W, Xia L, Qin Y, Huang Y, Zhao N, Hu S. Apelin Prevents and Alleviates Crystalline Silica-induced Pulmonary Fibrosis via Inhibiting Transforming Growth Factor Beta 1-triggered Fibroblast Activation. Int J Biol Sci 2023; 19:4004-4019. [PMID: 37705751 PMCID: PMC10496498 DOI: 10.7150/ijbs.81436] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 06/26/2023] [Indexed: 09/15/2023] Open
Abstract
Silicosis is a common and ultimately fatal occupational disease, yet the limited therapeutic option remains the major clinical challenge. Apelin, an endogenous ligand of the G-protein-coupled receptor (APJ), is abundantly expressed in diverse organs. The apelin-APJ axis helps to control pathological and physiological processes in lung. The role of apelin in the pathological process and its possible therapeutic effects on silicosis have not been elucidated. In this study, we found that lung expression and circulating levels of apelin were markedly decreased in silicosis patients and silica-induced fibrotic mice and associated with the severity. Furthermore, in vivo data demonstrated that pre-treatment from day 3 and post-treatment from day 15 with apelin could both alleviate silica-induced pulmonary fibrosis in mice. Besides, apelin inhibited pulmonary fibroblast activation via transforming growth factor beta 1 (TGF-β1) signaling. Our study suggested that apelin could prevent and reverse silica-induced pulmonary fibrosis by inhibiting the fibroblast activation through TGF-β1 signaling pathway, thus providing a new potential therapeutic strategy for silicosis and other pulmonary fibrosis.
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Affiliation(s)
- Jianling Shen
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Jiayin Feng
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Zhijia Wu
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Southern Medical University, Guangzhou, China
| | - Yushi Ou
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Qing Zhang
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- Pudong New Area Center for Disease Control and Prevention, Shanghai, China
| | - Qiying Nong
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Qifeng Wu
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Cong Li
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Xiaohui Tan
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou, China
| | - Meng Ye
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhongxiang Gao
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Ying Zhang
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Weihui Liang
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Lihua Xia
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Yiru Qin
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
| | - Yongshun Huang
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
- School of Public Health, Southern Medical University, Guangzhou, China
| | - Na Zhao
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
- School of Public Health, Sun Yat-Sen University, Guangzhou, China
- School of Public Health, Southern Medical University, Guangzhou, China
| | - Shijie Hu
- Guangdong Provincial Key Laboratory of Occupational Disease Prevention and Treatment, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, China
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5
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Hirata T, Ohara H, Kojima N, Koretsune H, Hasegawa Y, Inatani S, Takahashi T. Renoprotective Effect of TP0472993, a Novel and Selective 20-Hydroxyeicosatetraenoic Acid Synthesis Inhibitor, in Mouse Models of Renal Fibrosis. J Pharmacol Exp Ther 2023; 386:56-69. [PMID: 37142440 DOI: 10.1124/jpet.122.001521] [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: 11/21/2022] [Revised: 04/06/2023] [Accepted: 04/17/2023] [Indexed: 05/06/2023] Open
Abstract
Kidney fibrosis is considered the essential pathophysiological process for the progression of chronic kidney disease (CKD) toward renal failure. 20-Hydroxyeicosatetraenoic acid (20-HETE) has crucial roles in modulating the vascular response in the kidney and the progression of albuminuria. However, the roles of 20-HETE in kidney fibrosis are largely unexplored. In the current research, we hypothesized that if 20-HETE has important roles in the progression of kidney fibrosis, 20-HETE synthesis inhibitors might be effective against kidney fibrosis. To verify our hypothesis, this study investigated the effect of a novel and selective 20-HETE synthesis inhibitor, TP0472993, on the development of kidney fibrosis after folic acid- and obstructive-induced nephropathy in mice. Chronic treatment with TP0472993 at doses of 0.3 and 3 mg/kg twice a day attenuated the degree of kidney fibrosis in the folic acid nephropathy and the unilateral ureteral obstruction (UUO) mice, as demonstrated by reductions in Masson's trichrome staining and the renal collagen content. In addition, TP0472993 reduced renal inflammation, as demonstrated by markedly reducing interleukin-1β (IL-1β) and tumor necrosis factor alpha (TNF-α) levels in the renal tissue. Chronic treatment with TP0472993 also reduced the activity of extracellular signal-regulated kinase 1/2 (ERK1/2) and signal transducer and activator of transcription 3 (STAT3) in the kidney of UUO mice. Our observations indicate that inhibition of 20-HETE production with TP0472993 suppresses the kidney fibrosis progression via a reduction in the ERK1/2 and STAT3 signaling pathway, suggesting that 20-HETE synthesis inhibitors might be a novel treatment option against CKD. SIGNIFICANCE STATEMENT: In this study, we demonstrate that the pharmacological blockade of 20-hydroxyeicosatetraenoic acid (20-HETE) synthesis using TP0472993 suppresses the progression of kidney fibrosis after folic acid- and obstructive-induced nephropathy in mice, indicating that 20-HETE might have key roles in the pathogenesis of kidney fibrosis. TP0472993 has the potential to be a novel therapeutic approach against chronic kidney disease.
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Affiliation(s)
- Takashi Hirata
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Hiroki Ohara
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Naoki Kojima
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Hiroko Koretsune
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Yoshitaka Hasegawa
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Shoko Inatani
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
| | - Teisuke Takahashi
- Pharmacology Laboratories (T.H., H.O., N.K., H.K., T.T.) and Drug Safety and Pharmacokinetics Laboratories (Y.H., S.I.), Taisho Pharmaceutical Co., Ltd., Saitama, Japan
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6
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Fibbi B, Marroncini G, Naldi L, Peri A. The Yin and Yang Effect of the Apelinergic System in Oxidative Stress. Int J Mol Sci 2023; 24:ijms24054745. [PMID: 36902176 PMCID: PMC10003082 DOI: 10.3390/ijms24054745] [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: 01/26/2023] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/06/2023] Open
Abstract
Apelin is an endogenous ligand for the G protein-coupled receptor APJ and has multiple biological activities in human tissues and organs, including the heart, blood vessels, adipose tissue, central nervous system, lungs, kidneys, and liver. This article reviews the crucial role of apelin in regulating oxidative stress-related processes by promoting prooxidant or antioxidant mechanisms. Following the binding of APJ to different active apelin isoforms and the interaction with several G proteins according to cell types, the apelin/APJ system is able to modulate different intracellular signaling pathways and biological functions, such as vascular tone, platelet aggregation and leukocytes adhesion, myocardial activity, ischemia/reperfusion injury, insulin resistance, inflammation, and cell proliferation and invasion. As a consequence of these multifaceted properties, the role of the apelinergic axis in the pathogenesis of degenerative and proliferative conditions (e.g., Alzheimer's and Parkinson's diseases, osteoporosis, and cancer) is currently investigated. In this view, the dual effect of the apelin/APJ system in the regulation of oxidative stress needs to be more extensively clarified, in order to identify new potential strategies and tools able to selectively modulate this axis according to the tissue-specific profile.
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Affiliation(s)
- Benedetta Fibbi
- “Pituitary Diseases and Sodium Alterations” Unit, AOU Careggi, 50139 Florence, Italy
- Endocrinology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, 50139 Florence, Italy
| | - Giada Marroncini
- “Pituitary Diseases and Sodium Alterations” Unit, AOU Careggi, 50139 Florence, Italy
| | - Laura Naldi
- “Pituitary Diseases and Sodium Alterations” Unit, AOU Careggi, 50139 Florence, Italy
| | - Alessandro Peri
- “Pituitary Diseases and Sodium Alterations” Unit, AOU Careggi, 50139 Florence, Italy
- Endocrinology, Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Florence, 50139 Florence, Italy
- Correspondence: ; Tel.: +39-05-5794-9275
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7
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LCZ696 (sacubitril/valsartan) protects against cyclophosphamide-induced nephrotoxicity in adult male rats: Up-regulation of Apelin-13/ACE2, miR-200, and down-regulation of TGF-β/SMAD 2/3 and miR-192. Life Sci 2022; 306:120850. [DOI: 10.1016/j.lfs.2022.120850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 11/20/2022]
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8
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de Oliveira AA, Vergara A, Wang X, Vederas JC, Oudit GY. Apelin pathway in cardiovascular, kidney, and metabolic diseases: Therapeutic role of apelin analogs and apelin receptor agonists. Peptides 2022; 147:170697. [PMID: 34801627 DOI: 10.1016/j.peptides.2021.170697] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 02/07/2023]
Abstract
The apelin/apelin receptor (ApelinR) signal transduction pathway exerts essential biological roles, particularly in the cardiovascular system. Disturbances in the apelin/ApelinR axis are linked to vascular, heart, kidney, and metabolic disorders. Therefore, the apelinergic system has surfaced as a critical therapeutic strategy for cardiovascular diseases (including pulmonary arterial hypertension), kidney disease, insulin resistance, hyponatremia, preeclampsia, and erectile dysfunction. However, apelin peptides are susceptible to rapid degradation through endogenous peptidases, limiting their use as therapeutic tools and translational potential. These proteases include angiotensin converting enzyme 2, neutral endopeptidase, and kallikrein thereby linking the apelin pathway with other peptide systems. In this context, apelin analogs with enhanced proteolytic stability and synthetic ApelinR agonists emerged as promising pharmacological alternatives. In this review, we focus on discussing the putative roles of the apelin pathway in various physiological systems from function to dysfunction, and emphasizing the therapeutic potential of newly generated metabolically stable apelin analogs and non-peptide ApelinR agonists.
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Affiliation(s)
- Amanda A de Oliveira
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Ander Vergara
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada
| | - Xiaopu Wang
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Physiology, University of Alberta, Edmonton, Alberta, Canada
| | - John C Vederas
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Gavin Y Oudit
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada; Department of Physiology, University of Alberta, Edmonton, Alberta, Canada.
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9
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Chapman FA, Nyimanu D, Maguire JJ, Davenport AP, Newby DE, Dhaun N. The therapeutic potential of apelin in kidney disease. Nat Rev Nephrol 2021; 17:840-853. [PMID: 34389827 PMCID: PMC8361827 DOI: 10.1038/s41581-021-00461-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2021] [Indexed: 02/07/2023]
Abstract
Chronic kidney disease (CKD) is a leading cause of global morbidity and mortality and is independently associated with cardiovascular disease. The mainstay of treatment for CKD is blockade of the renin-angiotensin-aldosterone system (RAAS), which reduces blood pressure and proteinuria and slows kidney function decline. Despite this treatment, many patients progress to kidney failure, which requires dialysis or kidney transplantation, and/or die as a result of cardiovascular disease. The apelin system is an endogenous physiological regulator that is emerging as a potential therapeutic target for many diseases. This system comprises the apelin receptor and its two families of endogenous ligands, apelin and elabela/toddler. Preclinical and clinical studies show that apelin receptor ligands are endothelium-dependent vasodilators and potent inotropes, and the apelin system has a reciprocal relationship with the RAAS. In preclinical studies, apelin regulates glomerular haemodynamics and acts on the tubule to promote aquaresis. In addition, apelin is protective in several kidney injury models. Although the apelin system has not yet been studied in patients with CKD, the available data suggest that apelin is a promising potential therapeutic target for kidney disease.
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Affiliation(s)
- Fiona A Chapman
- BHF/University Centre for Cardiovascular Science, The Queen's Medical Research Institute, Edinburgh, UK
- Department of Renal Medicine, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Duuamene Nyimanu
- Division of Experimental Medicine and Immunotherapeutics, Addenbrooke's Centre for Clinical Investigation, University of Cambridge, Cambridge, UK
| | - Janet J Maguire
- Division of Experimental Medicine and Immunotherapeutics, Addenbrooke's Centre for Clinical Investigation, University of Cambridge, Cambridge, UK
| | - Anthony P Davenport
- Division of Experimental Medicine and Immunotherapeutics, Addenbrooke's Centre for Clinical Investigation, University of Cambridge, Cambridge, UK
| | - David E Newby
- BHF/University Centre for Cardiovascular Science, The Queen's Medical Research Institute, Edinburgh, UK
| | - Neeraj Dhaun
- BHF/University Centre for Cardiovascular Science, The Queen's Medical Research Institute, Edinburgh, UK.
- Department of Renal Medicine, Royal Infirmary of Edinburgh, Edinburgh, UK.
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10
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Increasing transforming growth factor-beta concentrations with age decrease apelin in the rat rotator cuff. J Orthop Surg Res 2021; 16:539. [PMID: 34465345 PMCID: PMC8406891 DOI: 10.1186/s13018-021-02675-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 08/13/2021] [Indexed: 11/26/2022] Open
Abstract
Background The rotator cuff undergoes natural degeneration with age, leading to age-related rotator cuff tear; however, the precise mechanism remains unclear. Transforming growth factor-beta (TGF-β) concentrations rise with age and TGF-β contributes to the pathophysiology of skeletal muscle. TGF-β has also been shown to suppress expression of the myokine, apelin, in skin fibroblasts. We hypothesized that TGF-β expression in the rotator cuff changes with age and regulates apelin expression, thereby contributing to rotator cuff degeneration. Methods We used quantitative reverse-transcription polymerase chain reaction (Q-RT-PCR) to measure the expression of apelin and tendon-related genes (Tnmd, Col1a1, and Col3a1) in the rotator cuff of young (12 weeks), adult (24 weeks), and old (48 weeks) rats. Using Q-RT-PCR and enzyme-linked immunosorbent assay, we also measured Tgfb mRNA and TGF-β protein levels, respectively. Furthermore, we used Q-RT-PCR to measure apelin mRNA levels in rotator cuff-derived cells after treatment with 0 (control) and 10 ng/mL recombinant TGF-β. Results Apelin mRNA levels were significantly lower in old compared to young and adult rats. Similarly, tendon-related genes, Tnmd, Col1a1, and Col3a1, were significantly lower in adult and old rats than young rats. In contrast, Tgfb mRNA and TGF-β protein were significantly higher in old compared to young rats. Stimulation with exogenous TGF-β significantly decreased Apelin mRNA expression compared to control. Conclusions TGF-β regulates apelin expression in the rotator cuff and may play a key role in the degenerative pathology of the rotator cuff with age.
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Sturny M, Anguenot L, Costa-Fraga FP, Bragina ME, Lima AM, da Silva RF, Fraga-Silva RA, Stergiopulos N. Apelin-13 Protects Corpus Cavernosum Against Fibrosis Induced by High-Fat Diet in an MMP-Dependent Mechanism. J Sex Med 2021; 18:875-888. [PMID: 33863684 DOI: 10.1016/j.jsxm.2021.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 01/12/2021] [Accepted: 02/03/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND An increased fibrosis of the corpora cavernosa is a prevalent process that underlies most cases of erectile dysfunction. Apelin, an endogenous circulating peptide, has been documented as an important effector on cardiovascular homeostasis, controlling vascular function and reducing fibrosis in multiple pathological conditions. Recently, initial studies have shown that Apelin, acting through the APJ receptor, also modulates penile erection, however, the role of this system on penile structure and intracorporal collagen remodeling has not been investigated yet. AIMS Here we sought to investigate the effect of chronic Apelin treatment on the corpus cavernosum structure of hyperchOlesterolemic mice. METHODS Apolipoprotein gene-deleted (ApoE-/-) mice were fed with a Western diet for 11 weeks and received Apelin-13 (2 mg/kg/day) or vehicle during the last 3 weeks. Penile samples were obtained for histological and biochemical analyses to assess the intracorporal collagen content and key proteins expression. Furthermore, the effect of Apelin-13 was evaluated in cultured NIH3T3 mouse fibroblasts stimulated with TGF-β. OUTCOME Local expression of Apelin-13 in mouse corpus cavernosum and its protective effect against fibrosis. RESULTS Apelin and APJ receptor were expressed (gene and protein) within the corpus cavernosum of ApoE-/- mice, indicating a local modulation of the Apelin system. Interestingly, 3 weeks of Apelin-13 treatment strongly reduced intracavernosal collagen content. In addition, Apelin-13 enhanced total matrix metalloproteinase (MMP) activity in the mice penis, which was associated with an increased protein expression of MMP-1, MMP-3, MMP-8, and MMP-9, while tissue inhibitor of metalloproteinase were unaltered. These beneficial actions were not associated with changes in nNOS or eNOS protein expression, intracavernosal reactive oxygen species content, or atherosclerotic plaque deposition. Additionally, in cultured fibroblast, Apelin-13 inhibited TGF-β-induced fibroblast to myofibroblast differentiation and collagen production, possibly through the activation of ERK1/2 kinase. CLINICAL TRANSLATION These results point out Apelin/APJ system as a potential target to treat intracavernosal fibrosis-related disorders. STRENGTH & LIMITATIONS These results provide the first evidence of the Apelin system's positive role on erectile tissue structure/remodeling. Nevertheless, additional functional study addressing erectile response would bring extended validation regarding the relevance of such effect. CONCLUSION These results suggest a local modulation of the Apelin system within the corpus cavernosum. Remarkably, Apelin-13 reduced intracavernosal fibrosis in hypercholesterolemic mice by: (i) enhancing MMPs expression and activity; and (ii) inhibiting fibroblast differentiation into myofibroblast. Altogether, these results suggest an essential protective role of Apelin, indicating Apelin/APJ system as a promising candidate for the development of fibrosis-associated erectile dysfunction treatments. Sturny M, Anguenot L Costa-Fraga FP, et al. Apelin-13 Protects Corpus Cavernosum Against Fibrosis Induced by High-Fat Diet in an MMP-Dependent Mechanism. J Sex Med 2021;18:875-888.
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Affiliation(s)
- Mikael Sturny
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Léa Anguenot
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Fabiana P Costa-Fraga
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Maiia E Bragina
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Augusto Martins Lima
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Rafaela F da Silva
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Rodrigo A Fraga-Silva
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
| | - Nikolaos Stergiopulos
- Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
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12
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Hamza RZ, Diab AAA, Zahra MH, Asalah AK, Attia MS, Moursi SM. Ameliorative effect of apelin-13 against renal complications in L-NAME-induced preeclampsia in rats. PeerJ 2021; 9:e11110. [PMID: 33850656 PMCID: PMC8019317 DOI: 10.7717/peerj.11110] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 02/23/2021] [Indexed: 01/01/2023] Open
Abstract
Pre-eclampsia (PE) accompanying acute liver and kidney injury has remained a master cause of both fetal and maternal mortality and morbidity. Vasoactive mediators, oxidative stress and inflammatory imbalanceshave an important role in PE pathogenesis. Apelin is an adipokine that improves endothelial dysfunction; has anti-inflammatory and antioxidant effects; moreover, its level reduced during PE. This study aimed to explore the effects of apelin-13 administration on preeclampsia-associated renal dysfunction and proteinuria. Thirty-three pregnant female rats were divided into three groups; group: 1 (normal pregnant rats), group: 2 (preeclamptic rats); where rats were injected subcutaneously with 75 mg L-NAME/ kg body weight/day beginning from 9th to 20th day of pregnancy andgroup 3 (apelin-13 treated preeclamptic rats); In which L-NAME-induced preeclamptic rats were subcutaneously injected with 6 × 10-8 mol apelin-13/kg body weight/twice daily starting from 6th to 20th day of pregnancy. In all groups, mean arterial blood pressure, total urine protein, serum urea, creatinine, nitric oxide (NO), endothelin-1 (ET-1), interleukin-6 (IL-6) and malondialdhyde (MDA) were measured. Histopathological examination of kidney tissues was also done. preeclamptic rats showed significantly increased mean arterial blood pressure, total urine proteins, serum urea, creatinine, ET-1, IL-6, and MDA, but revealed a significantly decreased serum NO level. On the other hand, apelin treatment significantly improved these parameters together with amelioration of kidney histoarchitecture in the treated group. In conclusion, apelin may be a potentially curative candidate for prohibiting kidney damage and have a therapeutic benefit in PE rat models.
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Affiliation(s)
- Reham Z Hamza
- Biology Department, College of Sciences, Taif University, Taif, Taif, Saudi Arabia
| | - Abdel Aziz A Diab
- Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Mansour H Zahra
- Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Ali K Asalah
- Medical Physiology Department - Faculty of Human Medicine, Zagazig University, Zagazig, Egypt
| | - Mai S Attia
- Zoology Department, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Suzan Mm Moursi
- Medical Physiology Department - Faculty of Human Medicine, Zagazig University, Zagazig, Egypt
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13
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Apelin-13 alleviated cardiac fibrosis via inhibiting the PI3K/Akt pathway to attenuate oxidative stress in rats with myocardial infarction-induced heart failure. Biosci Rep 2021; 40:222454. [PMID: 32207519 PMCID: PMC7133518 DOI: 10.1042/bsr20200040] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/11/2020] [Accepted: 03/23/2020] [Indexed: 12/15/2022] Open
Abstract
The present study aimed to determine whether apelin-13 could attenuate cardiac fibrosis via inhibiting the phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) pathway to inhibit reactive oxygen species in heart failure (HF) rats. HF models were established by inducing ischemia myocardial infarction (MI) through ligation of the left anterior descending artery in Sprague–Dawley (SD) rats. MI-induced changes in hemodynamics and cardiac function were reversed by apelin-13 administration. The increases in the levels of collagen I, collagen III, α-smooth muscle actin (SMA), and transforming growth factor-β (TGF-β) in the heart of MI rats and cardiac fibroblasts (CFs) treated with angiotensin (Ang) II were inhibited by apelin-13. The levels of PI3K and p-Akt increased in Ang II-treated CFs, and these increases were blocked by apelin-13. The PI3K overexpression reversed the effects of apelin-13 on Ang II-induced increases in collagen I, collagen III, α-SMA, and TGF-β, NADPH oxidase activity and superoxide anions in CFs. Apelin-13 reduced the increases in the levels of NADPH oxidase activity and superoxide anions in the heart of MI rats and CFs with Ang II treatment. The results demonstrated that apelin-13 improved cardiac dysfunction, impaired cardiac hemodynamics, and attenuated fibrosis of CFs induced by Ang II via inhibiting the PI3K/Akt signaling pathway to inhibit oxidative stress.
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14
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Kim DY, Choi MJ, Ko TK, Lee NH, Kim OH, Cheon HG. Angiotensin AT 1 receptor antagonism by losartan stimulates adipocyte browning via induction of apelin. J Biol Chem 2020; 295:14878-14892. [PMID: 32839272 DOI: 10.1074/jbc.ra120.013834] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/04/2020] [Indexed: 12/31/2022] Open
Abstract
Adipocyte browning appears to be a potential therapeutic strategy to combat obesity and related metabolic disorders. Recent studies have shown that apelin, an adipokine, stimulates adipocyte browning and has negative cross-talk with angiotensin II receptor type 1 (AT1 receptor) signaling. Here, we report that losartan, a selective AT1 receptor antagonist, induces browning, as evidenced by an increase in browning marker expression, mitochondrial biogenesis, and oxygen consumption in murine adipocytes. In parallel, losartan up-regulated apelin expression, concomitant with increased phosphorylation of protein kinase B and AMP-activated protein kinase. However, the siRNA-mediated knockdown of apelin expression attenuated losartan-induced browning. Angiotensin II cotreatment also inhibited losartan-induced browning, suggesting that AT1 receptor antagonism-induced activation of apelin signaling may be responsible for adipocyte browning induced by losartan. The in vivo browning effects of losartan were confirmed using both C57BL/6J and ob/ob mice. Furthermore, in vivo apelin knockdown by adeno-associated virus carrying-apelin shRNA significantly inhibited losartan-induced adipocyte browning. In summary, these data suggested that AT1 receptor antagonism by losartan promotes the browning of white adipocytes via the induction of apelin expression. Therefore, apelin modulation may be an effective strategy for the treatment of obesity and its related metabolic disorders.
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Affiliation(s)
- Dong Young Kim
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Republic of Korea
| | - Mi Jin Choi
- Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Tae Kyung Ko
- Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Na Hyun Lee
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Republic of Korea
| | - Ok-Hee Kim
- Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea
| | - Hyae Gyeong Cheon
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Republic of Korea; Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea.
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15
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Chen Y, Xu C. The interaction partners of (pro)renin receptor in the distal nephron. FASEB J 2020; 34:14136-14149. [PMID: 32975331 DOI: 10.1096/fj.202001711r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 11/11/2022]
Abstract
The (pro)renin receptor (PRR), a key regulator of intrarenal renin-angiotensin system (RAS), is predominantly presented in podocytes, proximal tubules, distal convoluted tubules, and the apical membrane of collecting duct A-type intercalated cells, and plays a crucial role in hypertension, cardiovascular disease, kidney disease, and fluid homeostasis. In addition to its well-known renin-regulatory function, increasing evidence suggests PRR can also act in a variety of intracellular signaling cascades independently of RAS in the renal medulla, including Wnt/β-catenin signaling, cyclooxygenase-2 (COX-2)/prostaglandin E2 (PGE2 ) signaling, and the apelinergic system, and work as a component of the vacuolar H+ -ATPase. PRR and these pathways regulate the expression/activity of each other that controlling blood pressure and renal functions. In this review, we highlight recent findings regarding the antagonistic interaction between PRR and ELABELA/apelin, the mutually stimulatory relationship between PRR and COX-2/PGE2 or Wnt/β-catenin signaling in the renal medulla, and their involvement in the regulation of intrarenal RAS thereby control blood pressure, renal injury, and urine concentrating ability in health and patho-physiological conditions. We also highlight the latest progress in the involvement of PRR for the vacuolar H+ -ATPase activity.
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Affiliation(s)
- Yanting Chen
- Institute of Hypertension, Sun Yat-sen University School of Medicine, Guangzhou, China.,Internal Medicine, Division of Nephrology and Hypertension, University of Utah and Veterans Affairs Medical Center, Salt Lake City, UT, USA
| | - Chuanming Xu
- Internal Medicine, Division of Nephrology and Hypertension, University of Utah and Veterans Affairs Medical Center, Salt Lake City, UT, USA.,Center for Translational Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
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16
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Remote Ischemic Perconditioning Modulates Apelin Expression After Renal Ischemia-Reperfusion Injury. J Surg Res 2020; 247:429-437. [DOI: 10.1016/j.jss.2019.09.063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/19/2019] [Accepted: 09/25/2019] [Indexed: 01/01/2023]
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17
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Apelin/APJ signaling suppresses the pressure ulcer formation in cutaneous ischemia-reperfusion injury mouse model. Sci Rep 2020; 10:1349. [PMID: 31992828 PMCID: PMC6987197 DOI: 10.1038/s41598-020-58452-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 01/15/2020] [Indexed: 12/12/2022] Open
Abstract
Several studies have demonstrated potential roles for apelin/APJ signaling in the regulation of oxidative stress associated with ischemia-reperfusion (I/R) injury in several organs. Objective was to assess the role of apelin/APJ signaling in the development of pressure ulcers (PUs) formation after cutaneous I/R injury in mice. We identified that cutaneous I/R injury increased the expression of apelin in the skin at I/R site. Administration of apelin significantly inhibited the formation of PUs. The reductions of blood vessels, hypoxic area and apoptosis in I/R site were inhibited by apelin injection. Oxidative stress signals in OKD48 mice and the expressions of oxidative stress related genes in the skin were suppressed by apelin injection. H2O2-induced intracellular ROS and apoptosis in endothelial cells and fibroblasts were suppressed by apelin in vitro. Furthermore, MM07, biased agonist of APJ, also significantly suppressed the development of PUs after cutaneous I/R, and the inhibitory effect of MM07 on PUs formation was higher than that in apelin. We conclude that apelin/APJ signaling may inhibit cutaneous I/R injury-induced PUs formation by protecting the reduction of vascularity and tissue damage via suppression of oxidative stress. Exogenous application of apelin or MM07 might have therapeutic potentials against the development of PUs.
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18
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Roles of the Hepatic Endocannabinoid and Apelin Systems in the Pathogenesis of Liver Fibrosis. Cells 2019; 8:cells8111311. [PMID: 31653030 PMCID: PMC6912778 DOI: 10.3390/cells8111311] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/17/2019] [Accepted: 10/23/2019] [Indexed: 12/11/2022] Open
Abstract
Hepatic fibrosis is the consequence of an unresolved wound healing process in response to chronic liver injury and involves multiple cell types and molecular mechanisms. The hepatic endocannabinoid and apelin systems are two signalling pathways with a substantial role in the liver fibrosis pathophysiology-both are upregulated in patients with advanced liver disease. Endogenous cannabinoids are lipid-signalling molecules derived from arachidonic acid involved in the pathogenesis of cardiovascular dysfunction, portal hypertension, liver fibrosis, and other processes associated with hepatic disease through their interactions with the CB1 and CB2 receptors. Apelin is a peptide that participates in cardiovascular and renal functions, inflammation, angiogenesis, and hepatic fibrosis through its interaction with the APJ receptor. The endocannabinoid and apelin systems are two of the multiple cell-signalling pathways involved in the transformation of quiescent hepatic stellate cells into myofibroblast like cells, the main matrix-producing cells in liver fibrosis. The mechanisms underlying the control of hepatic stellate cell activity are coincident despite the marked dissimilarities between the endocannabinoid and apelin signalling pathways. This review discusses the current understanding of the molecular and cellular mechanisms by which the hepatic endocannabinoid and apelin systems play a significant role in the pathophysiology of liver fibrosis.
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19
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Arababadi MK, Asadikaram P, Asadikaram G. APLN/APJ pathway: The key regulator of macrophage functions. Life Sci 2019; 232:116645. [PMID: 31299236 DOI: 10.1016/j.lfs.2019.116645] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 06/30/2019] [Accepted: 07/09/2019] [Indexed: 12/16/2022]
Abstract
Macrophages play key roles during cardiovascular diseases (CVD) and their related complications. Apelin (APLN) is a key molecule, whose roles during CVD have been documented previously. Therefore, it has been hypothesized that APLN may perform its roles via modulation of macrophages. Additionally, due to the widespread distribution of the CVD, more effective therapeutic strategies need to be developed to overcome the related complications. This review article collected recent information regarding the roles of APLN on the macrophages and discusses its potential chance to be a target for molecular/cellular therapy of APLN and the APLN treated macrophages for CVD.
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Affiliation(s)
- Mohammad Kazemi Arababadi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Laboratory Sciences, Faculty of Paramedicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Clinical Biochemistry, Afzalipur Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Parisa Asadikaram
- Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Gholamreza Asadikaram
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Clinical Biochemistry, Afzalipur Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
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Yokoyama Y, Sekiguchi A, Fujiwara C, Uchiyama A, Uehara A, Ogino S, Torii R, Ishikawa O, Motegi SI. Inhibitory Regulation of Skin Fibrosis in Systemic Sclerosis by Apelin/APJ Signaling. Arthritis Rheumatol 2018; 70:1661-1672. [PMID: 29676521 DOI: 10.1002/art.40533] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 04/12/2018] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Apelin/APJ signaling has been determined to regulate cardiac and arterial fibrosis and to be involved in the pathogenesis of pulmonary arterial hypertension. Our objective was to elucidate the role of apelin in skin fibrosis in systemic sclerosis (SSc). METHODS Expression of apelin/APJ in normal and SSc fibroblasts was compared. Effects of small interfering RNA depletion and the addition of apelin in fibroblasts were analyzed. The effect of apelin injections on bleomycin-induced dermal fibrosis in mice was investigated. We analyzed the effects of the biased agonist of APJ, MM07, on skin fibrosis in vitro and in vivo. RESULTS The expression of apelin in SSc fibroblasts was significantly lower than that in normal fibroblasts. Serum apelin levels were negatively correlated with the modified Rodnan skin thickness score in SSc patients. Stimulation with transforming growth factor β1 (TGFβ1) inhibited apelin expression in fibroblasts, suggesting that activation of TGFβ1 signaling in SSc might be responsible for reduced apelin expression in SSc fibroblasts. Small interfering RNA depletion of apelin from fibroblasts significantly enhanced fibrosis-related gene expression, and treatment with apelin protein significantly inhibited TGFβ1 signaling in fibroblasts. Administration of apelin significantly inhibited bleomycin-induced dermal fibrosis in mice. We demonstrated that MM07 had greater potential than apelin to inhibit fibrosis in vivo and in vitro. CONCLUSION Collectively, TGFβ1 signaling and apelin signaling may counteract each other in the fibrotic process of SSc. Inhibitory regulation of TGFβ1-induced skin fibrosis by apelin/APJ signaling may be involved in the pathogenesis of SSc and could be a therapeutic target for fibrosis in SSc patients.
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Affiliation(s)
- Yoko Yokoyama
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akiko Sekiguchi
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | | | | | - Akihito Uehara
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sachiko Ogino
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Ryoko Torii
- Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Osamu Ishikawa
- Gunma University Graduate School of Medicine, Maebashi, Japan
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Huang Z, Wu L, Chen L. Apelin/APJ system: A novel potential therapy target for kidney disease. J Cell Physiol 2017; 233:3892-3900. [PMID: 28796300 DOI: 10.1002/jcp.26144] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 08/08/2017] [Indexed: 12/24/2022]
Abstract
Apelin is an endogenous ligand of seven-transmembrane G protein-coupled receptor APJ. Apelin and APJ are distributed in various tissues, including the heart, lung, kidney, and even in tumor tissues. Studies show that apelin mRNA is highly expressed in the inner stripe of kidney outer medulla, which plays an important role in process of water and sodium balance. Additionally, more studies also indicate that apelin/APJ system exerts a broad range of activities in kidney. Therefore, we review the role of apelin/APJ system in kidney diseases such as renal fibrosis, renal ischemia/reperfusion injury, diabetic nephropathy, polycystic kidney disease, and hemodialysis (HD). Apelin/APJ system can improve renal interstitial fibrosis by reducing the deposition of extracellular matrix. Apelin/APJ system significantly reduces renal ischemia/reperfusion injury by inhibiting renal cell death. Apelin/APJ system involves the progression of diabetic nephropathy (DN). Apelin/APJ system also predicts the process of polycystic kidney disease. Besides, apelin/APJ system prevents some dialysis complications in HD patients. And apelin/APJ system alleviates chronic kidney disease (CKD) by inhibiting vascular calcification (VC). Overall, apelin/APJ system plays diversified roles in kidney disease and may be a potential target for the treatment of kidney disease.
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Affiliation(s)
- Zhen Huang
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, P.R. China.,Department of Pharmacy, The First Affiliated Hospital, University Of South China, Hengyang, P.R. China
| | - Lele Wu
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, P.R. China
| | - Linxi Chen
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, P.R. China
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22
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Zhou Q, Cao J, Chen L. Apelin/APJ system: A novel therapeutic target for oxidative stress-related inflammatory diseases (Review). Int J Mol Med 2016; 37:1159-69. [PMID: 27035220 DOI: 10.3892/ijmm.2016.2544] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 03/23/2016] [Indexed: 12/13/2022] Open
Abstract
Apelin, the endogenous ligand of APJ which is a member of G protein-coupled receptors, has been shown to be expressed in a variety of tissues in vivo and to exert significant biological effects. Studies have indicated that the apelin/APJ system is involved in the regulation of a variety of physiological functions and pathological processes, and that it is associated with cardiovascular diseases (such as atherosclerosis, hypertension, heart failure and myocardial injury), diabetes with microvascular complications, ischemia reperfusion injury, tumors, pre-eclampsia, as well as others. The occurrence of these diseases is closely related to endothelial dysfunction and the local inflammatory response; however, the occurrence of oxidative stress is related to vascular injury, due to the excessive generation of reactive oxygen species (ROS) and can lead to vascular damage and a series of inflammatory reactions. Therefore, this review summarizes the association between apelin/APJ, oxidative stress and inflammation-related diseases. In addition, drugs targeting the apelin/APJ system are recommended, thus providing a novel therapeutic strategy for oxidative stress-related inflammatory diseases.
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Affiliation(s)
- Qun Zhou
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Jiangang Cao
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Linxi Chen
- Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang, Hunan 421001, P.R. China
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Huang S, Chen L, Lu L, Li L. The apelin-APJ axis: A novel potential therapeutic target for organ fibrosis. Clin Chim Acta 2016; 456:81-88. [PMID: 26944568 DOI: 10.1016/j.cca.2016.02.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Revised: 02/25/2016] [Accepted: 02/28/2016] [Indexed: 12/16/2022]
Abstract
Apelin, an endogenous ligand of the G-protein-coupled receptor APJ, is expressed in a diverse number of organs. The apelin-APJ axis helps to control the processes of pathological and physiological fibrosis, including renal fibrosis, cardiac fibrosis, liver fibrosis and pulmonary fibrosis. However, the role of apelin-APJ in organ fibrosis remains controversial due to conflicting study results. The apelin-APJ axis is a detrimental mechanism which promotes liver fibrosis mainly via up-regulation the expression of collagen-II and platelet-derived growth factor receptor β (PDGFRβ). On the contrary, the apelin-APJ axis is beneficial for renal fibrosis, cardiac fibrosis and pulmonary fibrosis. The apelin-APJ axis alleviates renal fibrosis by restraining the expression of transforming growth factor-β1 (TGF-β1). In addition, the apelin-APJ axis attenuates cardiac fibrosis through multiple pathways. Furthermore, the apelin-APJ axis has beneficial effects on experimental bronchopulmonary dysplasia (BPD) and acute respiratory distress syndrome (ARDS) which suggest the apelin-APJ axis potentially alleviates pulmonary fibrosis. In this article, we review the controversies associated with apelin-APJ in organ fibrosis and introduce the drugs that target apelin-APJ. We conclude that future studies should place more emphasis on the relationship among apelin isoforms, APJ receptor subtypes and organ fibrosis. The apelin-APJ axis will be a potential therapeutic target and those drugs targeted for apelin-APJ may constitute a novel therapeutic strategy for renal fibrosis, cardiac fibrosis, liver fibrosis and pulmonary fibrosis.
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Affiliation(s)
- Shifang Huang
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang 421001, China
| | - Linxi Chen
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang 421001, China
| | - Liqun Lu
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang 421001, China
| | - Lanfang Li
- Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Institute of Pharmacy and Pharmacology, Learning Key Laboratory for Pharmacoproteomics, University of South China, Hengyang 421001, China.
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Wang LY, Diao ZL, Zhang DL, Zheng JF, Zhang QD, Ding JX, Liu WH. The regulatory peptide apelin: a novel inhibitor of renal interstitial fibrosis. Amino Acids 2014; 46:2693-704. [DOI: 10.1007/s00726-014-1826-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Accepted: 08/14/2014] [Indexed: 02/06/2023]
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Han S, Englander EW, Gomez GA, Aronson JF, Rastellini C, Garofalo RP, Kolli D, Quertermous T, Kundu R, Greeley GH. Pancreatitis activates pancreatic apelin-APJ axis in mice. Am J Physiol Gastrointest Liver Physiol 2013; 305:G139-50. [PMID: 23681476 PMCID: PMC3725680 DOI: 10.1152/ajpgi.00370.2012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Pancreatitis is classified into acute pancreatitis (AP) and chronic pancreatitis (CP). Apelin, a small regulatory peptide, is the endogenous ligand for the APJ receptor. Apelin and APJ are expressed in the pancreas. The aims of this study were to examine whether apelin influences the inflammatory and fibrosis responses to pancreatitis in mice and to identify mechanisms behind apelin's activities. Supramaximal cerulein induction of AP or CP caused significant (P < 0.05) elevations in pancreatic apelin and APJ expression. Levels declined during the recovery phases. In apelin gene-knockout mice with pancreatitis, pancreatic neutrophil invasion and myeloperoxidase activity were enhanced significantly, and apelin treatment suppressed both. Apelin exposure reduced CP-induced elevations of extracellular matrix-associated proteins. Apelin inhibited PDGF-simulated connective tissue growth factor production and proliferation of pancreatic stellate cells (PSCs). Serum granulocyte colony-stimulating factor and keratinocyte cytokine levels were higher in apelin gene-knockout than wild-type mice with pancreatitis. Apelin reduced AP- and CP-induced elevations in pancreatic NF-κB activation. Together, these findings imply that the pancreatic apelin-APJ system functions to curb the inflammatory and fibrosis responses during pancreatitis. Furthermore, findings suggest that apelin reduces inflammation and fibrosis by reducing neutrophil recruitment and PSC activity. Inhibition of neutrophil invasion may be mediated by reduced keratinocyte cytokine and granulocyte colony-stimulating factor secretion. Apelin-induced reductions in PSC proliferation and connective tissue growth factor production are putative mechanisms underlying apelin's inhibition of extracellular matrix production. The apelin-associated changes in NF-κB binding may be linked to apelin's regulation of pancreatic inflammatory and fibrosis responses during pancreatitis.
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Affiliation(s)
- Song Han
- 1Department of Surgery, University of Texas Medical Branch, Galveston, Texas;
| | - Ella W. Englander
- 1Department of Surgery, University of Texas Medical Branch, Galveston, Texas;
| | - Guillermo A. Gomez
- 1Department of Surgery, University of Texas Medical Branch, Galveston, Texas;
| | - Judith F. Aronson
- 4Department of Pathology, University of Texas Medical Branch, Galveston, Texas; and
| | | | - R. P. Garofalo
- 2Department of Pediatrics, University of Texas Medical Branch, Galveston, Texas; ,3Sealy Center for Molecular Medicine, University of Texas Medical Branch, Galveston, Texas;
| | - Deepthi Kolli
- 2Department of Pediatrics, University of Texas Medical Branch, Galveston, Texas;
| | | | | | - George H. Greeley
- 1Department of Surgery, University of Texas Medical Branch, Galveston, Texas;
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