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Koizumi M, Watanabe T, Masumoto J, Sunago K, Imamura Y, Kanemitsu K, Kumagi T, Hiasa Y. Apoptosis-associated speck-like protein containing a CARD regulates the growth of pancreatic ductal adenocarcinoma. Sci Rep 2021; 11:22351. [PMID: 34785680 PMCID: PMC8595714 DOI: 10.1038/s41598-021-01465-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 10/27/2021] [Indexed: 01/02/2023] Open
Abstract
Apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) is a key adaptor protein of inflammasomes and a proapoptotic molecule; however, its roles in signal transduction in pancreatic ductal adenocarcinoma (PDAC) cells remain unknown. Here, we clarified the role and mechanisms of action of ASC in PDAC using clinical evidence and in vitro data. ASC expression in PDAC tissues was analyzed using public tumor datasets and immunohistochemistry results of patients who underwent surgery, and PDAC prognosis was investigated using the Kaplan-Meier Plotter. ASC expression in PDAC cells was downregulated using small-interfering RNA, and gene expression was assessed by RNA sequencing. Review of the Oncomine database and immunostaining of surgically removed tissues revealed elevated ASC expression in PDAC tumors relative to non-tumor tissue, indicating poor prognosis. We observed high ASC expression in multiple PDAC cells, with ASC silencing subsequently inhibiting PDAC cell growth and altering the expression of cell cycle-related genes. Specifically, ASC silencing reduced cyclin D1 levels and stopped the cell cycle at the G1 phase but did not modulate the expression of any apoptosis-related molecules. These results show that ASC inhibited tumor progression via cell cycle modulation in PDAC cells and could be a potential therapeutic target.
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Affiliation(s)
- Mitsuhito Koizumi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Takao Watanabe
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Junya Masumoto
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Ehime, Japan
| | - Kotaro Sunago
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Yoshiki Imamura
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Kozue Kanemitsu
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Teru Kumagi
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan
- Post Graduate Medical Education Center, Ehime University Hospital, Ehime, Japan
| | - Yoichi Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Ehime, Japan.
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Mohammed I, Ijaz S, Mokhtari T, Gholaminejhad M, Mahdavipour M, Jameie B, Akbari M, Hassanzadeh G. Subventricular zone-derived extracellular vesicles promote functional recovery in rat model of spinal cord injury by inhibition of NLRP3 inflammasome complex formation. Metab Brain Dis 2020; 35:809-818. [PMID: 32185593 DOI: 10.1007/s11011-020-00563-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 03/05/2020] [Indexed: 12/17/2022]
Abstract
Spinal cord injury (SCI) is the destruction of spinal cord motor and sensory resulted from an attack on the spinal cord, which can cause significant physiological damage. The inflammasome is a multiprotein oligomer resulting in inflammation; the NLRP3 inflammasome composed of NLRP3, apoptosis-associated speck-like protein (ASC), procaspase-1, and cleavage of procaspase-1 into caspase-1 initiates the inflammatory response. Subventricular Zone (SVZ) is the origin of neural stem/progenitor cells (NS/PCs) in the adult brain. Extracellular vesicles (EVs) are tiny lipid membrane bilayer vesicles secreted by different types of cells playing an important role in cell-cell communications. The aim of this study was to investigate the effect of intrathecal transplantation of EVs on the NLRP3 inflammasome formation in SCI rats. Male wistar rats were divided into three groups as following: laminectotomy group, SCI group, and EVs group. EVs was isolated from SVZ, and characterized by western blot and DLS, and then injected into the SCI rats. Real-time PCR and western blot were carried out for gene expression and protein level of NLRP3, ASC, and Caspase-1. H&E and cresyl violet staining were performed for histological analyses, as well as BBB test for motor function. The results indicated high level in mRNA and protein level in SCI group in comparison with laminectomy (p < 0.001), and injection of EVs showed a significant reduction in the mRNA and protein levels in EVs group compared to SCI (p < 0.001). H&E and cresyl violet staining showed recovery in neural cells of spinal cord tissue in EVs group in comparison with SCI group. BBB test showed the promotion of motor function in EVs group compared to SCI in 14 days (p < 0.05). We concluded that the injection of EVs could recover the motor function in rats with SCI and rescue the neural cells of spinal cord tissue by suppressing the formation of the NLRP3 inflammasome complex.
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Affiliation(s)
- Ibrahim Mohammed
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sahar Ijaz
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Tahmineh Mokhtari
- CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Morteza Gholaminejhad
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Marzieh Mahdavipour
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Behnamedin Jameie
- Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Akbari
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Hassanzadeh
- Department of Anatomy, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Xu LS, Francis A, Turkistany S, Shukla D, Wong A, Batista CR, DeKoter RP. ETV6-RUNX1 interacts with a region in SPIB intron 1 to regulate gene expression in pre-B-cell acute lymphoblastic leukemia. Exp Hematol 2019; 73:50-63.e2. [PMID: 30986496 DOI: 10.1016/j.exphem.2019.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 03/28/2019] [Accepted: 03/30/2019] [Indexed: 11/19/2022]
Abstract
The most frequently occurring genetic abnormality in pediatric B-lymphocyte-lineage acute lymphoblastic leukemia is the t(12;21) chromosomal translocation that results in a ETV6-RUNX1 (also known as TEL-AML1) fusion gene. Expression of ETV6-RUNX1 induces a preleukemic condition leading to acquisition of secondary driver mutations, but the mechanism is poorly understood. SPI-B (encoded by SPIB) is an important transcriptional activator of B-cell development and differentiation. We hypothesized that SPIB is directly transcriptionally repressed by ETV6-RUNX1. Using chromatin immunoprecipitation, we identified a regulatory region in the first intron of SPIB that interacts with ETV6-RUNX1. Mutation of the RUNX1 binding site in SPIB intron 1 prevented transcriptional repression in transient transfection assays. Next, we sought to determine to what extent gene expression in REH cells can be altered by ectopic SPI-B expression. SPI-B expression was forced using CRISPR-mediated gene activation and also using a retroviral vector. Forced expression of SPI-B resulted in altered gene expression and, at high levels, impaired cell proliferation and induced apoptosis. Finally, we identified CARD11 and CDKN1A (encoding p21) as transcriptional targets of SPI-B involved in regulation of proliferation and apoptosis. Taken together, this study identifies SPIB as an important target of ETV6-RUNX1 in regulation of B-cell gene expression in t(12;21) leukemia.
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MESH Headings
- Apoptosis/genetics
- CARD Signaling Adaptor Proteins/biosynthesis
- CARD Signaling Adaptor Proteins/genetics
- Cell Line, Tumor
- Cell Proliferation/genetics
- Chromosomes, Human, Pair 12/genetics
- Chromosomes, Human, Pair 12/metabolism
- Chromosomes, Human, Pair 21/genetics
- Chromosomes, Human, Pair 21/metabolism
- Core Binding Factor Alpha 2 Subunit/genetics
- Core Binding Factor Alpha 2 Subunit/metabolism
- Cyclin-Dependent Kinase Inhibitor p21/biosynthesis
- Cyclin-Dependent Kinase Inhibitor p21/genetics
- DNA-Binding Proteins/biosynthesis
- DNA-Binding Proteins/genetics
- Gene Expression Regulation, Leukemic
- Guanylate Cyclase/biosynthesis
- Guanylate Cyclase/genetics
- Humans
- Introns
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/metabolism
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/genetics
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/metabolism
- Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/pathology
- Response Elements
- Transcription Factors/biosynthesis
- Transcription Factors/genetics
- Translocation, Genetic
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Affiliation(s)
- Li S Xu
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada; Division of Genetics and Development, Children's Health Research Institute, Lawson Research Institute, London, ON, Canada
| | - Alyssa Francis
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
| | | | - Devanshi Shukla
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
| | - Alison Wong
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
| | - Carolina R Batista
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada; Division of Genetics and Development, Children's Health Research Institute, Lawson Research Institute, London, ON, Canada
| | - Rodney P DeKoter
- Department of Microbiology & Immunology and the Centre for Human Immunology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada; Division of Genetics and Development, Children's Health Research Institute, Lawson Research Institute, London, ON, Canada.
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Cao L, Qin X, Peterson MR, Haller SE, Wilson KA, Hu N, Lin X, Nair S, Ren J, He G. CARD9 knockout ameliorates myocardial dysfunction associated with high fat diet-induced obesity. J Mol Cell Cardiol 2016; 92:185-95. [PMID: 26900039 PMCID: PMC4904726 DOI: 10.1016/j.yjmcc.2016.02.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 01/26/2016] [Accepted: 02/16/2016] [Indexed: 01/07/2023]
Abstract
Obesity is associated with chronic inflammation which plays a critical role in the development of cardiovascular dysfunction. Because the adaptor protein caspase recruitment domain-containing protein 9 (CARD9) in macrophages regulates innate immune responses via activation of pro-inflammatory cytokines, we hypothesize that CARD9 mediates the pro-inflammatory signaling associated with obesity en route to myocardial dysfunction. C57BL/6 wild-type (WT) and CARD9(-/-) mice were fed normal diet (ND, 12% fat) or a high fat diet (HFD, 45% fat) for 5months. At the end of 5-month HFD feeding, cardiac function was evaluated using echocardiography. Cardiomyocytes were isolated and contractile properties were measured. Immunofluorescence was performed to detect macrophage infiltration in the heart. Heart tissue homogenates, plasma, and supernatants from isolated macrophages were collected to measure the concentrations of pro-inflammatory cytokines using ELISA kits. Western immunoblotting analyses were performed on heart tissue homogenates and isolated macrophages to explore the underlying signaling mechanism(s). CARD9 knockout alleviated HFD-induced insulin resistance and glucose intolerance, prevented myocardial dysfunction with preserved cardiac fractional shortening and cardiomyocyte contractile properties. CARD9 knockout also significantly decreased the number of infiltrated macrophages in the heart with reduced myocardium-, plasma-, and macrophage-derived cytokines including IL-6, IL-1β and TNFα. Finally, CARD9 knockout abrogated the increase of p38 MAPK phosphorylation, the decrease of LC3BII/LC3BI ratio and the up-regulation of p62 expression in the heart induced by HFD feeding and restored cardiac autophagy signaling. In conclusion, CARD9 knockout ameliorates myocardial dysfunction associated with HFD-induced obesity, potentially through reduction of macrophage infiltration, suppression of p38 MAPK phosphorylation, and preservation of autophagy in the heart.
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Affiliation(s)
- Li Cao
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA; College of Pharmaceutical Sciences, Soochow University, Soochow, Jiangsu 215123, PR China
| | - Xing Qin
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA; Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, PR China
| | - Matthew R Peterson
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Samantha E Haller
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Kayla A Wilson
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Nan Hu
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Xin Lin
- Department of Molecular and Cellular Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Sreejayan Nair
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Jun Ren
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA
| | - Guanglong He
- School of Pharmacy, University of Wyoming, College of Health Sciences, Laramie, WY 82071, USA.
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Nie L, Zhang YS, Dong WR, Xiang LX, Shao JZ. Involvement of zebrafish RIG-I in NF-κB and IFN signaling pathways: insights into functional conservation of RIG-I in antiviral innate immunity. Dev Comp Immunol 2015; 48:95-101. [PMID: 25265425 DOI: 10.1016/j.dci.2014.09.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 09/22/2014] [Accepted: 09/23/2014] [Indexed: 06/03/2023]
Abstract
The retinoic acid-inducible gene I (RIG-I) is a critical sensor for host recognition of RNA virus infection and initiation of antiviral signaling pathways in mammals. However, data on the occurrence and functions of this molecule in lower vertebrates are limited. In this study, we characterized an RIG-I homolog (DrRIG-I) from zebrafish. Structurally, this DrRIG-I shares a number of conserved functional domains/motifs with its mammalian counterparts, namely, caspase activation and recruitment domain, DExD/H box, a helicase domain, and a C-terminal domain. Functionally, stimulation with DrRIG-I CARD in zebrafish embryos significantly activated the NF-κB and IFN signaling pathways, leading to the expression of TNF-α, IL-8 and IFN-induced Mx, ISG15, and viperin. However, knockdown of TRIM25 (a pivotal activator for RIG-I receptors) significantly suppressed the induced activation of IFN signaling. Results suggested the functional conservation of RIG-I receptors in the NF-κB and IFN signaling pathways between teleosts and mammals, providing a perspective into the evolutionary history of RIG-I-mediated antiviral innate immunity.
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Affiliation(s)
- Li Nie
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou 310058, China
| | - Ying-sheng Zhang
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou 310058, China
| | - Wei-ren Dong
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou 310058, China
| | - Li-xin Xiang
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou 310058, China.
| | - Jian-zhong Shao
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Key Laboratory for Cell and Gene Engineering of Zhejiang Province, Hangzhou 310058, China.
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Li Z, Qu L, Dong Q, Huang B, Li H, Tang Z, Xu Y, Luo W, Liu L, Qiu X, Wang E. Overexpression of CARMA3 in non-small-cell lung cancer is linked for tumor progression. PLoS One 2012; 7:e36903. [PMID: 22615840 PMCID: PMC3352848 DOI: 10.1371/journal.pone.0036903] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Accepted: 04/09/2012] [Indexed: 11/18/2022] Open
Abstract
We aimed to investigate the clinical significance of the expression of novel scaffold protein CARMA3 in non-small-cell lung cancer (NSCLC) and the biological function of CARMA3 in NSCLC cell lines. We observed moderate to high CARMA3 staining in 68.8% of 141 NSCLC specimens compared to corresponding normal tissues. The overexpression of CARMA3 was significantly correlated with TNM stage (P = 0.022) and tumor status (P = 0.013). CARMA3 upregulation also correlated with a shorter survival rate of patients of nodal status N0 (P = 0.042)as well as the expression of epidermal growth factor receptor (EGFR) (P = 0.009). In EGFR mutation positive cases, CARMA3 expression was much higher (87.5%) compared to non-mutation cases (66.1%). In addition, we observed that knockdown of CARMA3 inhibits tumor cell proliferation and invasion, and induces cell cycle arrest at the boundary between the G1 and S phase. We further demonstrated a direct link between CARMA3 and NF-κB activation. The change of biological behavior in CARMA3 knockdown cells may be NF-κB-related. Our findings demonstrated, for the first time, that CARMA3 was overexpressed in NSCLC and correlated with lung cancer progression, EGFR expression, and EGFR mutation. CARMA3 could serve as a potential companion drug target, along with NF-kB and EGFR in EGFR-mutant lung cancers.
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Affiliation(s)
- Zixuan Li
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Lianyue Qu
- Department of Pharmacy, First Affiliated Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Qianze Dong
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Bo Huang
- Department of Pathology, Liaoning Cancer Hospital, Shenyang, People’s Republic of China
| | - Haiying Li
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Zhongping Tang
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Ying Xu
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Wenting Luo
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
| | - Lifeng Liu
- Department of Orthopaedics, First Affiliated Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Xueshan Qiu
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
- * E-mail:
| | - Enhua Wang
- Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, People’s Republic of China
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