1
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Geng Z, Zuo L, Li J, Yin L, Yang J, Duan T, Wang L, Zhang X, Song X, Wang Y, Hu J. Ginkgetin improved experimental colitis by inhibiting intestinal epithelial cell apoptosis through EGFR/PI3K/AKT signaling. FASEB J 2024; 38:e23817. [PMID: 39003633 DOI: 10.1096/fj.202400211rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/15/2024]
Abstract
Excessive apoptosis of intestinal epithelial cells leads to intestinal barrier dysfunction, which is not only one of the pathological features of inflammatory bowel disease (IBD) but also a therapeutic target. A natural plant extract, Ginkgetin (GK), has been reported to have anti-apoptotic activity, but its role in IBD is unknown. This study aimed to explore whether GK has anti-colitis effects and related mechanisms. An experimental colitis model induced by dextran sulfate sodium (DSS) was established, and GK was found to relieve colitis in DSS-induced mice as evidenced by improvements in weight loss, colon shortening, Disease Activity Index (DAI), macroscopic and tissue scores, and proinflammatory mediators. In addition, in DSS mice and TNF-α-induced colonic organoids, GK protected the intestinal barrier and inhibited intestinal epithelial cell apoptosis, by improving permeability and inhibiting the number of apoptotic cells and the expression of key apoptotic regulators (cleaved caspase 3, Bax and Bcl-2). The underlying mechanism of GK's protective effect was explored by bioinformatics, rescue experiments and molecular docking, and it was found that GK might directly target and activate EGFR, thereby interfering with PI3K/AKT signaling to inhibit apoptosis of intestinal epithelial cells in vivo and in vitro. In conclusion, GK inhibited intestinal epithelial apoptosis in mice with experimental colitis, at least in part, by activating EGFR and interfering with PI3K/AKT activation, explaining the underlying mechanism for ameliorating colitis, which may provide new options for the treatment of IBD.
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Affiliation(s)
- Zhijun Geng
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
| | - Lugen Zuo
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Jing Li
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Lixia Yin
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
- School of Clinical Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Jingjing Yang
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
- School of Clinical Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Ting Duan
- School of Clinical Medicine, Bengbu Medical University, Bengbu, Anhui, China
| | - Lian Wang
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
- Department of Gastrointestinal Surgery, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Xiaofeng Zhang
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
| | - Xue Song
- Department of Central Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
| | - Yueyue Wang
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
| | - Jianguo Hu
- Anhui Province Key Laboratory of Basic and Translational Research of Inflammation-related Diseases, Bengbu, Anhui, China
- Department of Clinical Laboratory, First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, China
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2
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Zhang Z, Zhang Q, Zhang Y, Lou Y, Ge L, Zhang W, Zhang W, Song F, Huang P. Role of sodium taurocholate cotransporting polypeptide (NTCP) in HBV-induced hepatitis: Opportunities for developing novel therapeutics. Biochem Pharmacol 2024; 219:115956. [PMID: 38049009 DOI: 10.1016/j.bcp.2023.115956] [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: 08/23/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 12/06/2023]
Abstract
Hepatitis B is an infectious disease caused by the HBV virus. It presents a significant challenge for treatment due to its chronic nature and the potential for developing severe complications, including hepatocirrhosis and hepatocellular carcinoma. These complications not only cause physical and psychological distress to patients but also impose substantial economic and social burdens on both individuals and society as a whole. The internalization of HBV relies on endocytosis and necessitates the involvement of various proteins, including heparin sulfate proteoglycans, epidermal growth factor receptors, and NTCP. Among these proteins, NTCP is pivotal in HBV internalization and is primarily located in the liver's basement membrane. As a transporter of bile acids, NTCP also serves as a receptor facilitating HBV entry into cells. Numerous molecules have been identified to thwart HBV infection by stifling NTCP activity, although only a handful exhibit low IC50 values. In this systematic review, our primary focus dwells on the structure and regulation of NTCP, as well as the mechanism involved in HBV internalization. We underscore recent drug breakthroughs that specifically target NTCP to combat HBV infection. By shedding light on these advances, this review contributes novel insights into developing effective anti-HBV medications.
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Affiliation(s)
- Zhentao Zhang
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Qi Zhang
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Yiwen Zhang
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China; Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China
| | - Yutao Lou
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Luqi Ge
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Wanli Zhang
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Wen Zhang
- Department of Pharmacology, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Feifeng Song
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China; Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China.
| | - Ping Huang
- Center for Clinical Pharmacy, Cancer Center, Department of Pharmacy, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, China; Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China.
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So CW, Sourisseau M, Sarwar S, Evans MJ, Randall G. Roles of epidermal growth factor receptor, claudin-1 and occludin in multi-step entry of hepatitis C virus into polarized hepatoma spheroids. PLoS Pathog 2023; 19:e1011887. [PMID: 38157366 PMCID: PMC10756512 DOI: 10.1371/journal.ppat.1011887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/06/2023] [Indexed: 01/03/2024] Open
Abstract
The multi-step process of hepatitis C virus (HCV) entry is facilitated by various host factors, including epidermal growth factor receptor (EGFR) and the tight junction proteins claudin-1 (CLDN1) and occludin (OCLN), which are thought to function at later stages of the HCV entry process. Using single particle imaging of HCV infection of polarized hepatoma spheroids, we observed that EGFR performs multiple functions in HCV entry, both phosphorylation-dependent and -independent. We previously observed, and in this study confirmed, that EGFR is not required for HCV migration to the tight junction. EGFR is required for the recruitment of clathrin to HCV in a phosphorylation-independent manner. EGFR phosphorylation is required for virion internalization at a stage following the recruitment of clathrin. HCV entry activates the RAF-MEK-ERK signaling pathway downstream of EGFR phosphorylation. This signaling pathway regulates the sorting and maturation of internalized HCV into APPL1- and EEA1-associated early endosomes, which form the site of virion uncoating. The tight junction proteins, CLDN1 and OCLN, function at two distinct stages of HCV entry. Despite its appreciated function as a "late receptor" in HCV entry, CLDN1 is required for efficient HCV virion accumulation at the tight junction. Huh-7.5 cells lacking CLDN1 accumulate HCV virions primarily at the initial basolateral surface. OCLN is required for the late stages of virion internalization. This study produced further insight into the unusually complex HCV endocytic process.
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Affiliation(s)
- Chui-Wa So
- Department of Microbiology, The University of Chicago, Chicago, Illinois, United States of America
| | - Marion Sourisseau
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Shamila Sarwar
- Department of Microbiology, The University of Chicago, Chicago, Illinois, United States of America
| | - Matthew J. Evans
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Glenn Randall
- Department of Microbiology, The University of Chicago, Chicago, Illinois, United States of America
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Zhang Y, Zhang S, Sun Z, Liu X, Liao G, Niu Z, Kan Z, Xu S, Zhang J, Zou H, Zhang X, Song Z. Porcine epidemic diarrhea virus causes diarrhea by activating EGFR to regulates NHE3 activity and mobility on plasma membrane. Front Microbiol 2023; 14:1237913. [PMID: 38029193 PMCID: PMC10655020 DOI: 10.3389/fmicb.2023.1237913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
As part of the genus Enteropathogenic Coronaviruses, Porcine Epidemic Diarrhea Virus (PEDV) is an important cause of early diarrhea and death in piglets, and one of the most difficult swine diseases to prevent and control in the pig industry. Previously, we found that PEDV can block Na+ absorption and induce diarrhea in piglets by inhibiting the activity of the sodium-hydrogen ion transporter NHE3 in pig intestinal epithelial cells, but the mechanism needs to be further explored. The epidermal growth factor receptor (EGFR) has been proved to be one of the co-receptors involved in many viral infections and a key protein involved in the regulation of NHE3 activity in response to various pathological stimuli. Based on this, our study used porcine intestinal epithelial cells (IPEC-J2) as an infection model to investigate the role of EGFR in regulating NHE3 activity after PEDV infection. The results showed that EGFR mediated viral invasion by interacting with PEDV S1, and activated EGFR regulated the downstream EGFR/ERK signaling pathway, resulting in decreased expression of NHE3 and reduced NHE3 mobility at the plasma membrane, which ultimately led to decreased NHE3 activity. The low level of NHE3 expression in intestinal epithelial cells may be a key factor leading to PEDV-induced diarrhea in newborn piglets. This study reveals the importance of EGFR in the regulation of NHE3 activity by PEDV and provides new targets and clues for the prevention and treatment of PEDV-induced diarrhea in piglets.
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Affiliation(s)
- YiLing Zhang
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
- Department of Animal Science and Technology, Three Gorges Vocational College, Chongqing, China
| | - Shujuan Zhang
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - Zhiwei Sun
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - Xiangyang Liu
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
- Department of Preventive Veterinary Medicine, College of Animal Medicine, Xinjiang Agricultural University, Xinjiang, China
| | - Guisong Liao
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - Zheng Niu
- College of Veterinary Medicine, Northwest Agriculture and Forestry University, Shanxi, China
| | - ZiFei Kan
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
- School of Medicine, University of Electronic Science and Technology, Chengdu, China
| | - ShaSha Xu
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - JingYi Zhang
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - Hong Zou
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - Xingcui Zhang
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
| | - ZhenHui Song
- School of Animal Medicine, Southwest University Rongchang Campus, Chongqing, China
- Immunology Research Center, Institute of Medical Research, Southwest University, Chongqing, China
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Bura A, Čabrijan S, Đurić I, Bruketa T, Jurak Begonja A. A Plethora of Functions Condensed into Tiny Phospholipids: The Story of PI4P and PI(4,5)P 2. Cells 2023; 12:1411. [PMID: 37408244 DOI: 10.3390/cells12101411] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 07/07/2023] Open
Abstract
Phosphoinositides (PIs) are small, phosphorylated lipids that serve many functions in the cell. They regulate endo- and exocytosis, vesicular trafficking, actin reorganization, and cell mobility, and they act as signaling molecules. The most abundant PIs in the cell are phosphatidylinositol-4-monophosphate (PI4P) and phosphatidylinositol-4,5-bisphosphate [PI(4,5)P2]. PI4P is mostly localized at the Golgi apparatus where it regulates the anterograde trafficking from the Golgi apparatus to the plasma membrane (PM), but it also localizes at the PM. On the other hand, the main localization site of PI(4,5)P2 is the PM where it regulates the formation of endocytic vesicles. The levels of PIs are regulated by many kinases and phosphatases. Four main kinases phosphorylate the precursor molecule phosphatidylinositol into PI4P, divided into two classes (PI4KIIα, PI4KIIβ, PI4KIIIα, and PI4KIIIβ), and three main kinases phosphorylate PI4P to form PI(4,5)P2 (PI4P5KIα, PI4P5KIβ, and PI4P5KIγ). In this review, we discuss the localization and function of the kinases that produce PI4P and PI(4,5)P2, as well as the localization and function of their product molecules with an overview of tools for the detection of these PIs.
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Affiliation(s)
- Ana Bura
- Laboratory of Hematopoiesis, Department of Biotechnology, University of Rijeka, R. Matejcic 2, 51000 Rijeka, Croatia
| | - Sara Čabrijan
- Laboratory of Hematopoiesis, Department of Biotechnology, University of Rijeka, R. Matejcic 2, 51000 Rijeka, Croatia
| | - Iris Đurić
- Laboratory of Hematopoiesis, Department of Biotechnology, University of Rijeka, R. Matejcic 2, 51000 Rijeka, Croatia
| | - Tea Bruketa
- Laboratory of Hematopoiesis, Department of Biotechnology, University of Rijeka, R. Matejcic 2, 51000 Rijeka, Croatia
| | - Antonija Jurak Begonja
- Laboratory of Hematopoiesis, Department of Biotechnology, University of Rijeka, R. Matejcic 2, 51000 Rijeka, Croatia
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AG1478 Elicits a Novel Anti-Influenza Function via an EGFR-Independent, GBF1-Dependent Pathway. Int J Mol Sci 2022; 23:ijms23105557. [PMID: 35628375 PMCID: PMC9145774 DOI: 10.3390/ijms23105557] [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: 04/13/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 12/10/2022] Open
Abstract
Current options for preventing or treating influenza are still limited, and new treatments for influenza viral infection are urgently needed. In the present study, we serendipitously found that a small-molecule inhibitor (AG1478), previously used for epidermal growth factor receptor (EGFR) inhibition, demonstrated a potent activity against influenza both in vitro and in vivo. Surprisingly, the antiviral effect of AG1478 was not mediated by its EGFR inhibitory activity, as influenza virus was insensitive to EGFR blockade by other EGFR inhibitors or by siRNA knockdown of EGFR. Its antiviral activity was also interferon independent as demonstrated by a Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) knockout approach. Instead, AG1478 was found to target the Golgi-specific brefeldin A-resistance guanine nucleotide exchange factor 1 (GBF1)–ADP-ribosylation factor 1 (ARF1) system by reversibly inhibiting GBF1 activity and disrupting its Golgi-cytoplasmic trafficking. Compared to known GBF1 inhibitors, AG1478 demonstrated lower cellular toxicity and better preservation of Golgi structure. Furthermore, GBF1 was found to interact with a specific set of viral proteins including M1, NP, and PA. Additionally, the alternation of GBF1 distribution induced by AG1478 treatment disrupted these interactions. Because targeting host factors, instead of the viral component, imposes a higher barrier for developing resistance, GBF1 modulation may be an effective approach to treat influenza infection.
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Wang Z, Guo K, Gao P, Pu Q, Li C, Hur J, Wu M. Repurposable drugs for SARS-CoV-2 and influenza sepsis with scRNA-seq data targeting post-transcription modifications. PRECISION CLINICAL MEDICINE 2021; 4:215-230. [PMID: 34993416 PMCID: PMC8694063 DOI: 10.1093/pcmedi/pbab022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/04/2021] [Accepted: 08/22/2021] [Indexed: 02/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) has impacted almost every part of human life worldwide, posing a massive threat to human health. The lack of time for new drug discovery and the urgent need for rapid disease control to reduce mortality have led to a search for quick and effective alternatives to novel therapeutics, for example drug repurposing. To identify potentially repurposable drugs, we employed a systematic approach to mine candidates from U.S. FDA-approved drugs and preclinical small-molecule compounds by integrating gene expression perturbation data for chemicals from the Library of Integrated Network-Based Cellular Signatures project with a publicly available single-cell RNA sequencing dataset from patients with mild and severe COVID-19 (GEO: GSE145926, public data available and accessed on 22 April 2020). We identified 281 FDA-approved drugs that have the potential to be effective against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, 16 of which are currently undergoing clinical trials to evaluate their efficacy against COVID-19. We experimentally tested and demonstrated the inhibitory effects of tyrphostin-AG-1478 and brefeldin-a, two chemical inhibitors of glycosylation (a post-translational modification) on the replication of the single-stranded ribonucleic acid (ssRNA) virus influenza A virus as well as on the transcription and translation of host cell cytokines and their regulators (IFNs and ISGs). In conclusion, we have identified and experimentally validated repurposable anti-SARS-CoV-2 and IAV drugs using a systems biology approach, which may have the potential for treating these viral infections and their complications (sepsis).
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Affiliation(s)
- Zhihan Wang
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Kai Guo
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Pan Gao
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
- Medical Research Institute, Wuhan University, Wuhan 430071, China
| | - Qinqin Pu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Changlong Li
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Junguk Hur
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Min Wu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
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8
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Wang Z, Guo K, Gao P, Pu Q, Wu M, Li C, Hur J. Identification of Repurposable Drugs and Adverse Drug Reactions for Various Courses of COVID-19 Based on Single-Cell RNA Sequencing Data. ARXIV 2020:arXiv:2005.07856v2. [PMID: 33299905 PMCID: PMC7724679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Revised: 12/04/2020] [Indexed: 10/26/2022]
Abstract
Coronavirus disease 2019 (COVID-19) has impacted almost every part of human life worldwide, posing a massive threat to human health. There is no specific drug for COVID-19, highlighting the urgent need for the development of effective therapeutics. To identify potentially repurposable drugs, we employed a systematic approach to mine candidates from U.S. FDA-approved drugs and preclinical small-molecule compounds by integrating the gene expression perturbation data for chemicals from the Library of Integrated Network-Based Cellular Signatures project with a publicly available single-cell RNA sequencing dataset from mild and severe COVID-19 patients. We identified 281 FDA-approved drugs that have the potential to be effective against SARS-CoV-2 infection, 16 of which are currently undergoing clinical trials to evaluate their efficacy against COVID-19. We experimentally tested the inhibitory effects of tyrphostin-AG-1478 and brefeldin-a on the replication of the single-stranded ribonucleic acid (ssRNA) virus influenza A virus. In conclusion, we have identified a list of repurposable anti-SARS-CoV-2 drugs using a systems biology approach.
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Affiliation(s)
- Zhihan Wang
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Kai Guo
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Pan Gao
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, Sichuan 610041, China
| | - Qinqin Pu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Min Wu
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Changlong Li
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Junguk Hur
- Department of Biomedical Sciences, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
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Phan TK, Bindra GK, Williams SA, Poon IK, Hulett MD. Combating Human Pathogens and Cancer by Targeting Phosphoinositides and Their Metabolism. Trends Pharmacol Sci 2019; 40:866-882. [DOI: 10.1016/j.tips.2019.09.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 09/11/2019] [Accepted: 09/13/2019] [Indexed: 12/19/2022]
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10
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Melia CE, Peddie CJ, de Jong AWM, Snijder EJ, Collinson LM, Koster AJ, van der Schaar HM, van Kuppeveld FJM, Bárcena M. Origins of Enterovirus Replication Organelles Established by Whole-Cell Electron Microscopy. mBio 2019; 10:e00951-19. [PMID: 31186324 PMCID: PMC6561026 DOI: 10.1128/mbio.00951-19] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 05/06/2019] [Indexed: 11/24/2022] Open
Abstract
Enterovirus genome replication occurs at virus-induced structures derived from cellular membranes and lipids. However, the origin of these replication organelles (ROs) remains uncertain. Ultrastructural evidence of the membrane donor is lacking, suggesting that the sites of its transition into ROs are rare or fleeting. To overcome this challenge, we combined live-cell imaging and serial block-face scanning electron microscopy of whole cells to capture emerging enterovirus ROs. The first foci of fluorescently labeled viral protein correlated with ROs connected to the endoplasmic reticulum (ER) and preceded the appearance of ROs stemming from the trans-Golgi network. Whole-cell data sets further revealed striking contact regions between ROs and lipid droplets that may represent a route for lipid shuttling to facilitate RO proliferation and genome replication. Our data provide direct evidence that enteroviruses use ER and then Golgi membranes to initiate RO formation, demonstrating the remarkable flexibility with which enteroviruses usurp cellular organelles.IMPORTANCE Enteroviruses are causative agents of a range of human diseases. The replication of these viruses within cells relies on specialized membranous structures termed replication organelles (ROs) that form during infection but whose origin remains elusive. To capture the emergence of enterovirus ROs, we use correlative light and serial block-face scanning electron microscopy, a powerful method to pinpoint rare events in their whole-cell ultrastructural context. RO biogenesis was found to occur first at ER and then at Golgi membranes. Extensive contacts were found between early ROs and lipid droplets (LDs), which likely serve to provide LD-derived lipids required for replication. Together, these data establish the dual origin of enterovirus ROs and the chronology of their biogenesis at different supporting cellular membranes.
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Affiliation(s)
- Charlotte E Melia
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Anja W M de Jong
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Eric J Snijder
- Molecular Virology Laboratory, Department of Medical Microbiology, Center of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Lucy M Collinson
- Electron Microscopy STP, The Francis Crick Institute, London, United Kingdom
| | - Abraham J Koster
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Hilde M van der Schaar
- Virology Division, Faculty of Veterinary Medicine, Department of Infectious Diseases & Immunology, Utrecht University, Utrecht, The Netherlands
| | - Frank J M van Kuppeveld
- Virology Division, Faculty of Veterinary Medicine, Department of Infectious Diseases & Immunology, Utrecht University, Utrecht, The Netherlands
| | - Montserrat Bárcena
- Section Electron Microscopy, Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, The Netherlands
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11
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Costa R, Todt D, Zapatero-Belinchón F, Schenk C, Anastasiou OE, Walker A, Hertel B, Timmer L, Bojkova D, Ruckert M, Sarrazin C, Timm J, Lohmann V, Manns MP, Steinmann E, von Hahn T, Ciesek S. SEC14L2, a lipid-binding protein, regulates HCV replication in culture with inter- and intra-genotype variations. J Hepatol 2019; 70:603-614. [PMID: 30472319 DOI: 10.1016/j.jhep.2018.11.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 11/06/2018] [Accepted: 11/09/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND & AIMS The lipid-binding protein, SEC14L2, is crucial for the efficient viral replication of clinical hepatitis C virus (HCV) isolates in cell culture. Given the role of SEC14L2 in HCV replication, we aimed to study a large number of HCV positive sera carrying genotypes 1-4, to identify viral factors associated with efficient replication in culture. Additionally, we investigated whether 13 single nucleotide polymorphisms (SNPs) of SEC14L2 have an impact on RNA replication of naturally occurring HCV isolates. METHODS We generated Huh-7.5 cell lines overexpressing SEC14L2 or 13 coding SNPs and tested 73 different HCV positive sera for in vitro replication. Furthermore, we genotyped a cohort of 262 patients with chronic HCV for the common SNP (rs757660) and investigated its effect on the clinical phenotype. RESULTS HCV isolates from genotype 1, 2, 3 and 4 replicate in Huh-7.5 cells overexpressing SEC14L2. Interestingly, only subgenomic replicons from genotypes 1 and 3 showed enhanced replication whereas genotypes 2 and 4 remained unaffected. Furthermore, replication was independent of viral load. Importantly, all tested SNPs supported HCV RNA replication in vitro, while 1 SNP was associated with decreased SEC1L2 expression and viral RNA. All SNPs exhibited comparable cellular cholesterol and vitamin E abundance in naïve Huh-7.5 cells. CONCLUSIONS This large screen of natural HCV isolates of 4 genotypes underscores the relevance of SEC14L2 as an in vitro HCV host factor. Additionally, SEC14L2 variants appear to recapitulate the wild-type enhancement of HCV replication. Variant rs191341134 showed a decreased effect due to lowered stability, whereas variant rs757660, a high prevalence mutant, showed a similar phenotype to the wild-type. LAY SUMMARY Until the year 2015, consistent replication of patient-derived isolates of hepatitis C virus (HCV) in an in vitro model remained a limitation in HCV research. In 2015 a group of authors identified a protein named SEC14L2 that enabled the replication of HCV isolates in cell culture. We performed a large screen encompassing 73 isolates of 4 different HCV genotypes. Additionally, we replaced the natural SEC14L2 with 13 different mutants to test if the protein variation significantly altered its HCV replication enhancing functions. We showed that different genotypes of HCV react differently to the presence of this protein and the variants of the protein mimic the behavior of the wild-type.
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Affiliation(s)
- Rui Costa
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute for Molecular Biology, Hannover Medical School, Hannover, Germany; Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Daniel Todt
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum, Germany; Institute of Experimental Virology, Twincore, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
| | - Francisco Zapatero-Belinchón
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute for Molecular Biology, Hannover Medical School, Hannover, Germany
| | - Christian Schenk
- Department of Infectious Diseases, Molecular Virology, University of Heidelberg, Heidelberg, Germany
| | - Olympia E Anastasiou
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Andreas Walker
- Institute of Virology, University Hospital Düsseldorf, Faculty of Medicine, University Düsseldorf, Düsseldorf, Germany
| | - Barbara Hertel
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute for Molecular Biology, Hannover Medical School, Hannover, Germany
| | - Lejla Timmer
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Denisa Bojkova
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Maren Ruckert
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute for Molecular Biology, Hannover Medical School, Hannover, Germany
| | - Christoph Sarrazin
- University Hospital Frankfurt, Department of Gastroenterology and Hepatology, Frankfurt am Main, Germany; German Center for Infection Research, DZIF, Germany
| | - Jörg Timm
- Institute of Virology, University Hospital Düsseldorf, Faculty of Medicine, University Düsseldorf, Düsseldorf, Germany
| | - Volker Lohmann
- Department of Infectious Diseases, Molecular Virology, University of Heidelberg, Heidelberg, Germany
| | - Michael P Manns
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; German Center for Infection Research, DZIF, Germany
| | - Eike Steinmann
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum, Germany; Institute of Experimental Virology, Twincore, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
| | - Thomas von Hahn
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute for Molecular Biology, Hannover Medical School, Hannover, Germany; German Center for Infection Research, DZIF, Germany
| | - Sandra Ciesek
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany; Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany; German Center for Infection Research, DZIF, Germany.
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12
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Zhou S, Li Y, Lu J, Chen C, Wang W, Wang L, Zhang Z, Dong Z, Tang F. Nuclear factor-erythroid 2-related factor 3 (NRF3) is low expressed in colorectal cancer and its down-regulation promotes colorectal cancer malignance through activating EGFR and p38/MAPK. Am J Cancer Res 2019; 9:511-528. [PMID: 30949407 PMCID: PMC6448064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 01/19/2019] [Indexed: 06/09/2023] Open
Abstract
Nuclear factor-erythroid 2-related factor 3 (NRF3), a nuclear transcription factor, has been implicated in various cellular processes including carcinogenesis. However, mechanisms underlying its regulation in carcinogenesis are unclear. Herein, we found that NRF3 is lowly expressed in colorectal cancer (CRC) tissues and cells, and NRF3 low-expressions in CRC tissue samples are associated with CRC carcinogenesis and poor patient outcomes. Nrf3-knockdown increased CRC cell growth, colony formation, and cell motility and invasion, and Nrf3-knockin dramatically decreased CRC cell growth and colony formation. Mechanistically, NRF3 increased CRC cell apoptosis and arrested cell G2/M stage. NRF3 was found to be reversely with epidermal growth factor receptor (EGFR) and p38. Strikingly, Nrf3-knockin dramatically decreased phosphorylated-EGFR at Tyrosine845 (pEGFR Tyr845) and phosphorylated-p38 at Threonine180/Tyrosine182 (p-p38 Thr180/Tyr182) expressions, and Nrf3-knockdown increased pEGFR Tyr845 and p-p38 Thr180/Tyr182. Moreover, NRF3 regulated EGFR and p38 down-stream molecules, protein kinase B (AKT), activating transcription factor (ATF) 2, and C/EBP homologous protein (CHOP) expressions. NRF3 loss-increased CRC growth through EGFR and p38 was confirmed in nude mice. Collectively, NRF3-loss in CRC cell increases EGFR and p38 phosphorylation activation, enhances cell proliferation and decreases cell apoptosis, and finally promotes CRC malignance.
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Affiliation(s)
- Shan Zhou
- Department of Clinical Laboratory, Zhuhai Hospital, Jinan UniversityZhuhai 519000, Guangdong, China
- Department of Clinical Laboratory, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangsha 410013, China
| | - Yuejin Li
- Department of Clinical Laboratory, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangsha 410013, China
| | - Jinping Lu
- Department of Clinical Laboratory, Zhuhai Hospital, Jinan UniversityZhuhai 519000, Guangdong, China
| | - Chan Chen
- Department of Clinical Laboratory, Zhuhai Hospital, Jinan UniversityZhuhai 519000, Guangdong, China
| | - Weiwei Wang
- Department of Clinical Laboratory, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangsha 410013, China
| | - Lei Wang
- Department of Clinical Laboratory, Changsha Central HospitalChangsha 410013, China
| | - Zhenlin Zhang
- Department of Clinical Laboratory, Zhuhai Hospital, Jinan UniversityZhuhai 519000, Guangdong, China
| | - Zigang Dong
- Hormel Institute, University of Minnesota801 16 Avenue NE, Austin, MN 55912, USA
| | - Faqing Tang
- Department of Clinical Laboratory, Zhuhai Hospital, Jinan UniversityZhuhai 519000, Guangdong, China
- Department of Clinical Laboratory, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangsha 410013, China
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13
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Fernández-Oliva A, Ortega-González P, Risco C. Targeting host lipid flows: Exploring new antiviral and antibiotic strategies. Cell Microbiol 2019; 21:e12996. [PMID: 30585688 PMCID: PMC7162424 DOI: 10.1111/cmi.12996] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/04/2018] [Accepted: 12/17/2018] [Indexed: 12/28/2022]
Abstract
Bacteria and viruses pose serious challenges for humans because they evolve continuously. Despite ongoing efforts, antiviral drugs to treat many of the most troubling viruses have not been approved yet. The recent launch of new antimicrobials is generating hope as more and more pathogens around the world become resistant to available drugs. But extra effort is still needed. One of the current strategies for antiviral and antibiotic drug development is the search for host cellular pathways used by many different pathogens. For example, many viruses and bacteria alter lipid synthesis and transport to build their own organelles inside infected cells. The characterization of these interactions will be fundamental to identify new targets for antiviral and antibiotic drug development. This review discusses how viruses and bacteria subvert cell machineries for lipid synthesis and transport and summarises the most promising compounds that interfere with these pathways.
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Affiliation(s)
| | | | - Cristina Risco
- Cell Structure Lab, National Centre for Biotechnology, CNB-CSIC, Madrid, Spain
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14
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Wu CP, Hsiao SH, Murakami M, Lu MJ, Li YQ, Hsieh CH, Ambudkar SV, Wu YS. Tyrphostin RG14620 selectively reverses ABCG2-mediated multidrug resistance in cancer cell lines. Cancer Lett 2017; 409:56-65. [PMID: 28893612 DOI: 10.1016/j.canlet.2017.08.035] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 08/25/2017] [Accepted: 08/28/2017] [Indexed: 12/25/2022]
Abstract
The multidrug resistance (MDR) phenotype associated with the overexpression of ATP-binding cassette (ABC) drug transporters ABCB1, ABCC1 and ABCG2 is a major obstacle in cancer chemotherapy. Numerous epidermal growth factor receptor (EGFR) inhibitors have previously been shown capable of reversing MDR in ABCG2-overexpressing cancer cells. However, most of them are not transporter-specific due to the substantial overlapping substrate specificity among the transporters. In this study, we investigated the interaction between ABCG2 and tyrphostin RG14620, an EGFR inhibitor of the tyrphostin family, in multidrug-resistant cancer cell lines. We found that at nontoxic concentrations, tyrphostin RG14620 enhances drug-induced apoptosis and restores chemosensitivity to ABCG2-overexpressing multidrug-resistant cancer cells. More importantly, tyrphostin RG14620 is selective to ABCG2 relative to ABCB1 and ABCC1. Our findings were further supported by biochemical assays demonstrating that tyrphostin RG14620 stimulates ATP hydrolysis and inhibits photoaffinity labeling of ABCG2 with IAAP, and by a docking analysis of tyrphostin RG14620 in the drug-binding pocket of this transporter. Taken together, our findings indicate that tyrphostin RG14620 is a potent and selective modulator of ABCG2 that may be useful to overcome chemoresistance in patients with drug-resistant tumors.
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Affiliation(s)
- Chung-Pu Wu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Molecular Medicine Research Center, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Neurosurgery, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan.
| | - Sung-Han Hsiao
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Megumi Murakami
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, United States
| | - Ming-Jie Lu
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Yan-Qing Li
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan; Department of Physiology and Pharmacology, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Chia-Hung Hsieh
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan; Department of Biomedical Informatics, Asia University, Taichung, Taiwan
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, United States
| | - Yu-Shan Wu
- Department of Chemistry, Tunghai University, Taichung, Taiwan.
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15
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Strating JR, van Kuppeveld FJ. Viral rewiring of cellular lipid metabolism to create membranous replication compartments. Curr Opin Cell Biol 2017; 47:24-33. [PMID: 28242560 PMCID: PMC7127510 DOI: 10.1016/j.ceb.2017.02.005] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 02/02/2017] [Accepted: 02/09/2017] [Indexed: 02/08/2023]
Abstract
Positive-strand RNA (+RNA) viruses (e.g. poliovirus, hepatitis C virus, dengue virus, SARS-coronavirus) remodel cellular membranes to form so-called viral replication compartments (VRCs), which are the sites where viral RNA genome replication takes place. To induce VRC formation, these viruses extensively rewire lipid metabolism. Disparate viruses have many commonalities as well as disparities in their interactions with the host lipidome and accumulate specific sets of lipids (sterols, glycerophospholipids, sphingolipids) at their VRCs. Recent years have seen an upsurge in studies investigating the role of lipids in +RNA virus replication, in particular of sterols, and uncovered that membrane contact sites and lipid transfer proteins are hijacked by viruses and play pivotal roles in VRC formation.
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Affiliation(s)
- Jeroen Rpm Strating
- Utrecht University, Faculty of Veterinary Medicine, Department of Infectious Diseases & Immunology, Division of Virology, Utrecht, The Netherlands.
| | - Frank Jm van Kuppeveld
- Utrecht University, Faculty of Veterinary Medicine, Department of Infectious Diseases & Immunology, Division of Virology, Utrecht, The Netherlands.
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