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Castellanos-Molina A, Bretheau F, Boisvert A, Bélanger D, Lacroix S. Constitutive DAMPs in CNS injury: From preclinical insights to clinical perspectives. Brain Behav Immun 2024; 122:583-595. [PMID: 39222725 DOI: 10.1016/j.bbi.2024.07.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/28/2024] [Accepted: 07/04/2024] [Indexed: 09/04/2024] Open
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous molecules released in tissues upon cellular damage and necrosis, acting to initiate sterile inflammation. Constitutive DAMPs (cDAMPs) have the particularity to be present within the intracellular compartments of healthy cells, where they exert diverse functions such as regulation of gene expression and cellular homeostasis. However, after injury to the central nervous system (CNS), cDAMPs are rapidly released by stressed, damaged or dying neuronal, glial and endothelial cells, and can trigger inflammation without undergoing structural modifications. Several cDAMPs have been described in the injured CNS, such as interleukin (IL)-1α, IL-33, nucleotides (e.g. ATP), and high-mobility group box protein 1. Once in the extracellular milieu, these molecules are recognized by the remaining surviving cells through specific DAMP-sensing receptors, thereby inducing a cascade of molecular events leading to the production and release of proinflammatory cytokines and chemokines, as well as cell adhesion molecules. The ensuing immune response is necessary to eliminate cellular debris caused by the injury, allowing for damage containment. However, seeing as some molecules associated with the inflammatory response are toxic to surviving resident CNS cells, secondary damage occurs, aggravating injury and exacerbating neurological and behavioral deficits. Thus, a better understanding of these cDAMPs, as well as their receptors and downstream signaling pathways, could lead to identification of novel therapeutic targets for treating CNS injuries such as SCI, TBI, and stroke. In this review, we summarize the recent literature on cDAMPs, their specific functions, and the therapeutic potential of interfering with cDAMPs or their signaling pathways.
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Affiliation(s)
- Adrian Castellanos-Molina
- Axe Neurosciences du Centre de recherche du Centre hospitalier universitaire (CHU) de Québec-Université Laval et Département de médecine moléculaire de l'Université Laval, Québec, QC G1V 4G2, Canada
| | - Floriane Bretheau
- Axe Neurosciences du Centre de recherche du Centre hospitalier universitaire (CHU) de Québec-Université Laval et Département de médecine moléculaire de l'Université Laval, Québec, QC G1V 4G2, Canada
| | - Ana Boisvert
- Axe Neurosciences du Centre de recherche du Centre hospitalier universitaire (CHU) de Québec-Université Laval et Département de médecine moléculaire de l'Université Laval, Québec, QC G1V 4G2, Canada
| | - Dominic Bélanger
- Axe Neurosciences du Centre de recherche du Centre hospitalier universitaire (CHU) de Québec-Université Laval et Département de médecine moléculaire de l'Université Laval, Québec, QC G1V 4G2, Canada
| | - Steve Lacroix
- Axe Neurosciences du Centre de recherche du Centre hospitalier universitaire (CHU) de Québec-Université Laval et Département de médecine moléculaire de l'Université Laval, Québec, QC G1V 4G2, Canada.
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Boulton DP, Caino MC. Emerging roles for Mitochondrial Rho GTPases in tumor biology. J Biol Chem 2024; 300:107670. [PMID: 39128718 PMCID: PMC11402688 DOI: 10.1016/j.jbc.2024.107670] [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: 06/29/2024] [Revised: 08/02/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024] Open
Abstract
Mitochondrial Rho GTPases (MIRO1 and MIRO2) are primarily studied for their role as resident mitochondrial anchor proteins that facilitate mitochondria trafficking in neurons. However, it is now appreciated that these proteins have critical roles in cancer. In this review, we focus on examining the role of MIROs in cancer, including expression changes in tumors and the molecular mechanisms by which MIROs impact tumor cell growth, invasion, and metastasis. Additionally, we give an overview of how MIRO's functions in normal cells within the tumor microenvironment can support or inhibit tumor growth and metastasis. Although this is still an emerging field, the current consensus is that the MIROs primarily promote tumor progression of disparate tumor types. As mitochondrial proteins are now being targeted in the clinic, we discuss their potential as novel proteins to target in cancer.
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Affiliation(s)
- Dillon P Boulton
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, Colorado, USA; Pharmacology Graduate Program, University of Colorado, Aurora, Colorado, USA
| | - M Cecilia Caino
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, Colorado, USA; University of Colorado Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA.
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3
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Liu F, Gao A, Zhang M, Li Y, Zhang F, Herman JG, Guo M. Methylation of FAM110C is a synthetic lethal marker for ATR/CHK1 inhibitors in pancreatic cancer. J Transl Int Med 2024; 12:274-287. [PMID: 39081276 PMCID: PMC11284899 DOI: 10.2478/jtim-2023-0128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024] Open
Abstract
Background and objectives Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest malignancies. An epigenetic-based synthetic lethal strategy provides a novel opportunity for PDAC treatment. Finding more DNA damage repair (DDR)-related or cell fate-related molecules with aberrant epigenetic changes is becoming very important. Family with sequence similarity 110C (FAM110C) is a cell fate-related gene and its function in cancer remains unclear. Methods Seven cell lines, 34 cases of intraductal papillary mucinous neoplasm (IPMN), 15 cases of mucinous cystic neoplasm (MCN) and 284 cases of PDAC samples were employed. Methylation-specific PCR, western blot, CRISPR knockout, immunoprecipitation and a xenograft mouse model were used in this study. Results FAM110C is methylated in 41.18% (14/34) of IPMN, 46.67% (7/15) of MCN and 72.89% (207/284) of PDAC, with a progression trend from IPMN/MCN to pancreatic cancer (P = 0.0001, P = 0.0389). FAM110C methylation is significantly associated with poor overall survival (OS) (P = 0.0065) and is an independent prognostic marker for poor OS (P = 0.0159). FAM110C inhibits PDAC cells growth both in vitro and in vivo, serving as a novel tumor suppressor. FAM110C activates ATM and NHEJ signaling pathways by interacting with HMGB1. Loss of FAM110C expression sensitizes PDAC cells to VE-822 (an ATR inhibitor) and MK-8776 (a CHK1 inhibitor). Conclusion FAM110C methylation is a potential diagnostic and prognostic marker in PDAC, and its epigenetic silencing sensitizes PDAC cells to ATR/CHK1 inhibitors.
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Affiliation(s)
- Fengna Liu
- Department of Gastroenterology and Hepatology, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
| | - Aiai Gao
- Department of Gastroenterology and Hepatology, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
| | - Meiying Zhang
- Department of Gastroenterology and Hepatology, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
| | - Yazhuo Li
- Department of Pathology, The Fourth Medical Center of PLA General Hospital, Beijing100048, China
| | - Fan Zhang
- Department of Gastroenterology and Hepatology, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
- The Third Clinical College of Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - James G. Herman
- The Hillman Cancer Center, University of Pittsburgh Cancer Institute, Pittsburgh, PA 15213, USA
| | - Mingzhou Guo
- Department of Gastroenterology and Hepatology, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
- National Key Laboratory of Kidney Diseases, the First Medical Center, Chinese PLA General Hospital, Beijing100853, China
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Patra S, Roy PK, Dey A, Mandal M. Impact of HMGB1 on cancer development and therapeutic insights focused on CNS malignancy. Biochim Biophys Acta Rev Cancer 2024; 1879:189105. [PMID: 38701938 DOI: 10.1016/j.bbcan.2024.189105] [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: 02/07/2024] [Revised: 04/24/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
The present study explores the complex roles of High Mobility Group Box 1 (HMGB1) in the context of cancer development, emphasizing glioblastoma (GBM) and other central nervous system (CNS) cancers. HMGB1, primarily known for its involvement in inflammation and angiogenesis, emerges as a multifaceted player in the tumorigenesis of GBM. The overexpression of HMGB1 correlates with glioma malignancy, influencing key pathways like RAGE/MEK/ERK and RAGE/Rac1. Additionally, HMGB1 secretion is linked to the maintenance of glioma stem cells (GSCs) and contributes to the tumor microenvironment's (TME) vascular leakiness. Henceforth, our review discusses the bidirectional impact of HMGB1, acting as both a promoter of tumor progression and a mediator of anti-tumor immune responses. Notably, HMGB1 exhibits tumor-suppressive roles by inducing apoptosis, limiting cellular proliferation, and enhancing the sensitivity of GBM to therapeutic interventions. This dualistic nature of HMGB1 calls for a nuanced understanding of its implications in GBM pathogenesis, offering potential avenues for more effective and personalized treatment strategies. The findings underscore the need to explore HMGB1 as a prognostic marker, therapeutic target, and a promising tool for stimulating anti-tumor immunity in GBM.
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Affiliation(s)
- Sucharita Patra
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Pritam Kumar Roy
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Ankita Dey
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
| | - Mahitosh Mandal
- Cancer Biology Lab, School of Medical Science and Technology, Indian Institute of Technology Kharagpur, West Bengal, India.
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Huang Y, Zhang R, Lyu H, Xiao S, Guo D, Chen XZ, Zhou C, Tang J. LncRNAs as nodes for the cross-talk between autophagy and Wnt signaling in pancreatic cancer drug resistance. Int J Biol Sci 2024; 20:2698-2726. [PMID: 38725864 PMCID: PMC11077374 DOI: 10.7150/ijbs.91832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 02/06/2024] [Indexed: 05/12/2024] Open
Abstract
Pancreatic cancer is a malignancy with high mortality. In addition to the few symptoms until the disease reaches an advanced stage, the high fatality rate is attributed to its rapid development, drug resistance and lack of appropriate treatment. In the selection and research of therapeutic drugs, gemcitabine is the first-line drug for pancreatic cancer. Solving the problem of gemcitabine resistance in pancreatic cancer will contribute to the progress of pancreatic cancer treatment. Long non coding RNAs (lncRNAs), which are RNA transcripts longer than 200 nucleotides, play vital roles in cellular physiological metabolic activities. Currently, our group and others have found that some lncRNAs are aberrantly expressed in pancreatic cancer cells, which can regulate the process of cancer through autophagy and Wnt/β-catenin pathways simultaneously and affect the sensitivity of cancer cells to therapeutic drugs. This review presents an overview of the recent evidence concerning the node of lncRNA for the cross-talk between autophagy and Wnt/β-catenin signaling in pancreatic cancer, together with the practicability of lncRNAs and the core regulatory factors as targets in therapeutic resistance.
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Affiliation(s)
- Yuhan Huang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Rui Zhang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Hao Lyu
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Shuai Xiao
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Dong Guo
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Xing-Zhen Chen
- Membrane Protein Disease Research Group, Department of Physiology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada, T6G2R3
| | - Cefan Zhou
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
| | - Jingfeng Tang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, China, 430068
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Zhu Z, Li S, Yin X, Sun K, Song J, Ren W, Gao L, Zhi K. Review: Protein O-GlcNAcylation regulates DNA damage response: A novel target for cancer therapy. Int J Biol Macromol 2024; 264:130351. [PMID: 38403231 DOI: 10.1016/j.ijbiomac.2024.130351] [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: 01/07/2024] [Revised: 02/02/2024] [Accepted: 02/19/2024] [Indexed: 02/27/2024]
Abstract
The DNA damage response (DDR) safeguards the stable genetic information inheritance by orchestrating a complex protein network in response to DNA damage. However, this mechanism can often hamper the effectiveness of radiotherapy and DNA-damaging chemotherapy in destroying tumor cells, causing cancer resistance. Inhibiting DDR can significantly improve tumor cell sensitivity to radiotherapy and DNA-damaging chemotherapy. Thus, DDR can be a potential target for cancer treatment. Post-translational modifications (PTMs) of DDR-associated proteins profoundly affect their activity and function by covalently attaching new functional groups. O-GlcNAcylation (O-linked-N-acetylglucosaminylation) is an emerging PTM associated with adding and removing O-linked N-acetylglucosamine to serine and threonine residues of proteins. It acts as a dual sensor for nutrients and stress in the cell and is sensitive to DNA damage. However, the explanation behind the specific role of O-GlcNAcylation in the DDR remains remains to be elucidated. To illustrate the complex relationship between O-GlcNAcylation and DDR, this review systematically describes the role of O-GlcNAcylation in DNA repair, cell cycle, and chromatin. We also discuss the defects of current strategies for targeting O-GlcNAcylation-regulated DDR in cancer therapy and suggest potential directions to address them.
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Affiliation(s)
- Zhuang Zhu
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Shaoming Li
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Xiaopeng Yin
- Department of Oral and Maxillofacial Surgery, Central Laboratory of Jinan Stamotological Hospital, Jinan Key Laboratory of Oral Tissue Regeneration, Jinan 250001, Shandong Province, China
| | - Kai Sun
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China
| | - Jianzhong Song
- Department of Oral and Maxilloafacial Surgery, People's Hospital of Rizhao, Rizhao, Shandong, China
| | - Wenhao Ren
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
| | - Ling Gao
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
| | - Keqian Zhi
- Department of Oral and Maxillofacial Reconstruction, the Affiliated Hospital of Qingdao University, Qingdao 266555, China; School of Stomatology, Qingdao University, Qingdao 266003, China; Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao 266003, China; Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266555, China.
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Chen X, Zheng X, Shen T, He T, Zhao Y, Dong Y. In vitro validation: GLY alleviates UV-induced corneal epithelial damage through the HMGB1-TLR/MyD88-NF-κB signaling pathway. Acta Histochem 2023; 125:152111. [PMID: 37939523 DOI: 10.1016/j.acthis.2023.152111] [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: 06/28/2023] [Revised: 10/13/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023]
Abstract
UV-induced corneal damage is a common ocular surface injury that usually leads to corneal lesions causing persistent inflammation. High mobility group box 1 (HMGB1) is identified as an inflammatory alarm in various tissue injuries. Here, this study first evaluates the repair effect of the HMGB1-selective inhibitor GLY in UV-induced corneal damage; Secondly, the inhibitory effect of GLY on UV-induced corneal damage induced inflammation and the potential therapeutic mechanism of GLY were studied. GLY effectively attenuates the expression of UV-induced inflammatory factors and HMGB1, TLR/MyD88, NF-κB signaling pathway genes at the mRNA and protein levels. In addition, RT-PCR and Western Blot experiments after knocking down HMGB1 and TLR2/9 genes showed that GLY alleviated corneal inflammation by inhibiting the HMGB1-TLR/MyD88 signaling pathway. The results of this study show that targeting HMGB1-NF-κB by GLY can alleviate the inflammatory response induced by UV induction.
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Affiliation(s)
- XinYi Chen
- School of Pharmacy, Zhejiang University of Technology, China
| | - XiaoXiao Zheng
- Cancer Institute of Integrated Traditional Chinese and Western Medicine, Key Laboratory of Cancer Prevention and Therapy combining Traditional Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine,China Department of Medical Oncology, Tongde Hospital of Zhejiang Province, China
| | - Ting Shen
- Eye Center, Second Affiliated Hospital of Zhejiang University School of Medicine, China.
| | - Ting He
- Center for Rehabilitation Medicine, Department of Ophthalmology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, China
| | - YangQi Zhao
- Center for Rehabilitation Medicine, Department of Ophthalmology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, China
| | - Yi Dong
- Center for Rehabilitation Medicine, Department of Ophthalmology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, China
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8
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O'Grady SM, Kita H. ATP functions as a primary alarmin in allergen-induced type 2 immunity. Am J Physiol Cell Physiol 2023; 325:C1369-C1386. [PMID: 37842751 PMCID: PMC10861152 DOI: 10.1152/ajpcell.00370.2023] [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: 08/07/2023] [Revised: 10/09/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
Environmental allergens that interact with the airway epithelium can activate cellular stress pathways that lead to the release of danger signals known as alarmins. The mechanisms of alarmin release are distinct from damage-associated molecular patterns (DAMPs), which typically escape from cells after loss of plasma membrane integrity. Oxidative stress represents a form of allergen-induced cellular stress that stimulates oxidant-sensing mechanisms coupled to pathways, which facilitate alarmin mobilization and efflux across the plasma membrane. In this review, we highlight examples of alarmin release and discuss their roles in the initiation of type 2 immunity and allergic airway inflammation. In addition, we discuss the concept of alarmin amplification, where "primary" alarmins, which are directly released in response to a specific cellular stress, stimulate additional signaling pathways that lead to secretion of "secondary" alarmins that include proinflammatory cytokines, such as IL-33, as well as genomic and mitochondrial DNA that coordinate or amplify type 2 immunity. Accordingly, allergen-evoked cellular stress can elicit a hierarchy of alarmin signaling responses from the airway epithelium that trigger local innate immune reactions, impact adaptive immunity, and exacerbate diseases including asthma and other chronic inflammatory conditions that affect airway function.
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Affiliation(s)
- Scott M O'Grady
- Department of Animal Science, University of Minnesota, St. Paul, Minnesota, United States
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, United States
| | - Hirohito Kita
- Division of Allergy, Asthma and Immunology, Mayo Clinic, Scottsdale, Arizona, United States
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Lu K, Zhao T, Yang L, Liu Y, Ruan X, Cui L, Zhang Y. HMGB2 upregulation promotes the progression of hepatocellular carcinoma cells through the activation of ZEB1/vimentin axis. J Gastrointest Oncol 2023; 14:2178-2191. [PMID: 37969822 PMCID: PMC10643579 DOI: 10.21037/jgo-23-447] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/22/2023] [Indexed: 11/17/2023] Open
Abstract
Background High mobility group box 2 (HMGB2) is abnormally expressed in human cancers and participated in multiple biological behaviors, such as proliferation, invasion and prognosis. However, its role in hepatocellular carcinoma (HCC) is largely unknown. Methods In clinical sample analysis, 62 HCC patients were enrolled in this study. The expression of HMGB2 was analyzed by quantitative real-time polymerase chain reaction (qRT-PCR) and immunohistochemical method, clinical prognosis data were analyzed by Kaplan-Meier analysis. In cellular and molecular biology experiments, HMGB2 expression was analyzed in HCC cells. HMGB2 knockdown model was constructed by small interfering RNA (siRNA). Cell counting kit-8 (CCK-8) and cell migration & invasion assay were used to evaluate cell proliferative potential and motility. Recombinant human vimentin protein was used to partially restore the expression and function of vimentin. Western blot and immunochemical staining were performed to detect HMGB2 protein, zinc finger E-box binding homeobox 1 (ZEB1) and vimentin. Flow cytometry analyses were performed to determine the alteration of cell cycle in different groups. Results HMGB2 was abnormally overexpressed in HCC. HMGB2 knockdown reduced malignant behaviors especially the proliferative potential and motility of HCC cells. The inhibition of HCC cells proliferation and mobility could be partially restored via treatment with recombinant vimentin protein. Our findings confirmed abnormal activation of HMGB2-ZEB1 vimentin axis facilitates HCC malignant proliferation and motility. The elevated HMGB2 expression in clinical samples was related to postoperative survival time of HCC patients. It indicated HMGB2 promotes the proliferation and motility potential of HCC via HMGB2-ZEB1-vimentin axis activation. Conclusions HMGB2 is up-regulated in HCC and affects the malignant transformation by modulating HMGB2-ZEB1-vimentin signaling pathway, which may provide a research basis for evaluating the disease progression and developing clinical treatment strategies of HCC.
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Affiliation(s)
| | | | | | - Yang Liu
- Department of Biliary Tract Surgery, The Third Affiliated Hospital of Navy Military Medical University, Shanghai, China
| | - Xiang Ruan
- Department of Biliary Tract Surgery, The Third Affiliated Hospital of Navy Military Medical University, Shanghai, China
| | - Longjiu Cui
- Department of Biliary Tract Surgery, The Third Affiliated Hospital of Navy Military Medical University, Shanghai, China
| | - Yongjie Zhang
- Department of Biliary Tract Surgery, The Third Affiliated Hospital of Navy Military Medical University, Shanghai, China
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Gillespie KP, Pirnie R, Mesaros C, Blair IA. Cisplatin Dependent Secretion of Immunomodulatory High Mobility Group Box 1 (HMGB1) Protein from Lung Cancer Cells. Biomolecules 2023; 13:1335. [PMID: 37759736 PMCID: PMC10526420 DOI: 10.3390/biom13091335] [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: 07/12/2023] [Revised: 08/25/2023] [Accepted: 08/26/2023] [Indexed: 09/29/2023] Open
Abstract
High mobility group box 1 (HMGB1) is secreted from activated immune cells, necrotic cells, and certain cancers. Previous studies have reported that different patterns of post-translational modification, particularly acetylation and oxidation, mediate HMGB1 release and confer distinct extracellular HMGB1 signaling activity. Here we report that cisplatin but not carboplatin induces secretion of HMGB1 from human A549 non-small cell lung cancer (NSCLC) cells. Cisplatin-mediated HMGB1 secretion was dose-dependent and was regulated by nuclear exportin 1 (XPO1) also known as chromosomal maintenance 1 (CRM1) rather than adenosine diphosphate (ADP)-ribosylation, acetylation, or oxidation. HMGB1, as well as lysine acetylation and cysteine disulfide oxidation of secreted HMGB1, were monitored by sensitive and specific assays using immunoprecipitation, stable isotope dilution, differential alkylation, and nano liquid chromatography parallel reaction monitoring/high-resolution mass spectrometry (nano-LC-PRM/HRMS). A major fraction of the HMGB1 secreted by low-dose cisplatin treatment of A549 NSCLC cells was found to be in the fully reduced form. In contrast, mainly oxidized forms of HMGB1 were secreted by dimethyl sulfoxide (DMSO)-mediated apoptosis. These findings suggest that inhibition of XPO1 could potentiate the anti-tumor activity of cisplatin by increasing the nuclear accumulation of HMGB1 protein, an inhibitor of cisplatin DNA-adduct repair. Furthermore, low-dose cisplatin therapy could modulate the immune response in NSCLC through the established chemokine activity of extracellular reduced HMGB1. This could potentially enhance the efficacy of subsequent immunotherapy treatment.
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Affiliation(s)
| | | | | | - Ian A. Blair
- Center of Excellence in Environmental Toxicology, Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA 19104, USA
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Hananya N, Ye X, Koren S, Muir T. A genetically encoded photoproximity labeling approach for mapping protein territories. Proc Natl Acad Sci U S A 2023; 120:e2219339120. [PMID: 37036999 PMCID: PMC10120045 DOI: 10.1073/pnas.2219339120] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 03/07/2023] [Indexed: 04/12/2023] Open
Abstract
Studying dynamic biological processes requires approaches compatible with the lifetimes of the biochemical transactions under investigation, which can be very short. We describe a genetically encoded system that allows protein neighborhoods to be mapped using visible light. Our approach involves fusing an engineered flavoprotein to a protein of interest. Brief excitation of the fusion protein leads to the labeling of nearby proteins with cell-permeable probes. Mechanistic studies reveal different labeling pathways are operational depending on the nature of the exogenous probe that is employed. When combined with quantitative proteomics, this photoproximity labeling system generates "snapshots" of protein territories with high temporal and spatial resolution. The intrinsic fluorescence of the fusion domain permits correlated imaging and proteomics analyses, a capability that is exploited in several contexts, including defining the protein clients of the major vault protein. The technology should be broadly useful in the biomedical area.
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Affiliation(s)
- Nir Hananya
- Department of Chemistry, Princeton University, Princeton, NJ08544
| | - Xuanjia Ye
- Department of Chemistry, Princeton University, Princeton, NJ08544
| | - Shany Koren
- Department of Chemistry, Princeton University, Princeton, NJ08544
| | - Tom W. Muir
- Department of Chemistry, Princeton University, Princeton, NJ08544
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12
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Li Y, Fu Y, Zhang Y, Duan B, Zhao Y, Shang M, Cheng Y, Zhang K, Yu Q, Wang T. Nuclear Fructose-1,6-Bisphosphate Inhibits Tumor Growth and Sensitizes Chemotherapy by Targeting HMGB1. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2203528. [PMID: 36642839 PMCID: PMC9982576 DOI: 10.1002/advs.202203528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 12/04/2022] [Indexed: 06/17/2023]
Abstract
Metabolites are important for cell fate determination. Fructose-1,6-bisphosphate (F1,6P) is the rate-limiting product in glycolysis and the rate-limiting substrate in gluconeogenesis. Here, it is discovered that the nuclear-accumulated F1,6P impairs cancer cell viability by directly binding to high mobility group box 1 (HMGB1), the most abundant non-histone chromosome structural protein with paradoxical roles in tumor development. F1,6P disrupts the association between the HMGB1 A-box and C-tail by targeting K43/K44 residues, inhibits HMGB1 oligomerization, and stabilizes P53 protein by increasing P53-HMGB1 interaction. Moreover, F1,6P lowers the affinity of HMGB1 for DNA and DNA adducts, which sensitizes cancer cells to chemotherapeutic drug(s)-induced DNA replication stress and DNA damage. Concordantly, F1,6P resensitizes cancer cells with chemotherapy resistance, impairs tumor growth and enhances chemosensitivity in mice, and impedes the growth of human tumor organoids. These findings reveal a novel role for nuclear-accumulated F1,6P and underscore the potential utility of F1,6P as a drug for cancer therapy.
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Affiliation(s)
- Yeyi Li
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Yuan Fu
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Yan Zhang
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Bilian Duan
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Yanli Zhao
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Man Shang
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
| | - Ying Cheng
- Center for Mitochondrial Biology & Medicinethe Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi'an Jiaotong UniversityXi'an710049China
| | - Kai Zhang
- The Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsTianjin Key Laboratory of Medical EpigeneticsKey Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of Biochemistry and Molecular BiologyTianjin Medical UniversityTianjin300070China
| | - Qiujing Yu
- Key Laboratory of Immune Microenvironment and Disease (Ministry of Education)Department of ImmunologySchool of Basic Medical SciencesTianjin Medical UniversityTianjin300070China
| | - Ting Wang
- National Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerTianjin Lung Cancer CenterDepartment of Thoracic OncologyTianjin Cancer Institute and HospitalTianjin Key Laboratory of Inflammatory BiologyThe Province and Ministry Co‐sponsored Collaborative Innovation Center for Medical EpigeneticsDepartment of PharmacologySchool of Basic Medical SciencesTianjin Medical University Cancer Institute and HospitalTianjin Medical UniversityTianjin300060China
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13
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The Role of PARP1 and PAR in ATP-Independent Nucleosome Reorganisation during the DNA Damage Response. Genes (Basel) 2022; 14:genes14010112. [PMID: 36672853 PMCID: PMC9859207 DOI: 10.3390/genes14010112] [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: 11/25/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
The functioning of the eukaryotic cell genome is mediated by sophisticated protein-nucleic-acid complexes, whose minimal structural unit is the nucleosome. After the damage to genomic DNA, repair proteins need to gain access directly to the lesion; therefore, the initiation of the DNA damage response inevitably leads to local chromatin reorganisation. This review focuses on the possible involvement of PARP1, as well as proteins acting nucleosome compaction, linker histone H1 and non-histone chromatin protein HMGB1. The polymer of ADP-ribose is considered the main regulator during the development of the DNA damage response and in the course of assembly of the correct repair complex.
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14
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Shin J, Kim YH, Lee B, Chang JH, Choi HY, Lee H, Song KC, Kwak MS, Choi JE, Shin JS. USP13 regulates HMGB1 stability and secretion through its deubiquitinase activity. Mol Med 2022; 28:164. [PMID: 36585612 PMCID: PMC9801610 DOI: 10.1186/s10020-022-00596-0] [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: 10/07/2022] [Accepted: 12/21/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND High mobility group box 1 (HMGB1) is a damage-associated molecular pattern (DAMP) molecule that plays a central role in innate immunity. HMGB1 acts as a late mediator of inflammation when actively secreted in response to inflammatory stimuli. Several post-translational modifications (PTMs), including acetylation, phosphorylation, and oxidation, are involved in HMGB1 secretion. However, the E3 ligases of HMGB1 and the mechanism by which DUBs regulate HMGB1 deubiquitination are not well known. METHODS LC-MS/MS, proximity ligation assay, immunoprecipitation were used to identify ubiquitin-specific protease 13 (USP13) as a binding partner of HMGB1 and to investigate ubiquitination of HMGB1. USP13 domain mutant was constructed for domain study and Spautin-1 was treated for inhibition of USP13. Confocal microscopy image showed localization of HMGB1 by USP13 overexpression. The data were analyzed using one-way analysis of variance with Tukey's honestly significant difference post-hoc test for multiple comparisons or a two-tailed Student's t-test. RESULTS We identified ubiquitin-specific protease 13 (USP13) as a novel binding partner of HMGB1 and demonstrated that USP13 plays a role in stabilizing HMGB1 from ubiquitin-mediated degradation. USP13 overexpression increased nucleocytoplasmic translocation of HMGB1 and promoted its secretion, which was inhibited by treatment with Spautin-1, a selective inhibitor of USP13. CONCLUSION Taken together, we suggest that USP13 is a novel deubiquitinase of HMGB1 that regulates the stability and secretion of HMGB1.
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Affiliation(s)
- Jaemin Shin
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Young Hun Kim
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Bin Lee
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Jae Ho Chang
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea
| | - Hee Youn Choi
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Hoojung Lee
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Ki Chan Song
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea
| | - Man Sup Kwak
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722 South Korea
| | - Ji Eun Choi
- grid.31501.360000 0004 0470 5905Department of Pediatrics, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Boramaero 5 Gil 20, Dongjakgu, Seoul, 07061 South Korea
| | - Jeon-Soo Shin
- grid.15444.300000 0004 0470 5454Department of Microbiology, Yonsei University College of Medicine, 50-1 Yonsei-Ro, Seodaemun-Gu, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Brain Korea 21 FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722 South Korea ,grid.15444.300000 0004 0470 5454Institute for Immunology and Immunological Diseases, Yonsei University College of Medicine, Seoul, 03722 South Korea
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15
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Lucas-Ruiz F, Mateo SV, Jover-Aguilar M, Alconchel F, Martínez-Alarcón L, de Torre-Minguela C, Vidal-Correoso D, Villalba-López F, López-López V, Ríos-Zambudio A, Pons JA, Ramírez P, Pelegrín P, Baroja-Mazo A. Danger signals released during cold ischemia storage activate NLRP3 inflammasome in myeloid cells and influence early allograft function in liver transplantation. EBioMedicine 2022; 87:104419. [PMID: 36543018 PMCID: PMC9794897 DOI: 10.1016/j.ebiom.2022.104419] [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: 07/14/2022] [Revised: 11/04/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Innate immunity plays a fundamental role in solid organ transplantation. Myeloid cells can sense danger signals or DAMPs released after tissue or cell damage, such as during ischemia processes. This study aimed to identify DAMPs released during cold ischemia storage of human liver and analyze their ability to activate the inflammasome in myeloid cells and the possible implications in terms of short-term outcomes of liver transplantation. METHODS 79 samples of organ preservation solution (OPS) from 79 deceased donors were collected after cold static storage. We used different analytical methods to measure DAMPs in these end-ischemic OPS (eiOPS) samples. We also used eiOPS in the human macrophage THP-1 cell line and primary monocyte cultures to study inflammasome activation. FINDINGS Different DAMPs were identified in eiOPS, several of which induced both priming and activation of the NLRP3 inflammasome in human myeloid cells. Cold ischemia time and donation after circulatory death negatively influenced the DAMP signature. Moreover, the presence of oligomeric inflammasomes and interleukin-18 in eiOPS correlated with early allograft dysfunction in liver transplant patients. INTERPRETATION DAMPs released during cold ischemia storage prime and activate the NLRP3 inflammasome in liver macrophages after transplantation, inducing a pro-inflammatory environment that will complicate the outcome of the graft. The use of pharmacological blockers targeting DAMPs or the NLRP3 inflammasome in liver ischemia during static cold storage or through extracorporeal organ support could be a suitable strategy to increase the success of liver transplantation. FUNDING Fundación Mutua Madrileña and Instituto de Salud Carlos III, Madrid, Spain.
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Affiliation(s)
- Fernando Lucas-Ruiz
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Sandra V. Mateo
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Marta Jover-Aguilar
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - Felipe Alconchel
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - Laura Martínez-Alarcón
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - Carlos de Torre-Minguela
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Daniel Vidal-Correoso
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Francisco Villalba-López
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Víctor López-López
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - Antonio Ríos-Zambudio
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - José A. Pons
- Liver Transplantation Unit, Gastroenterology and Hepatology Service, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain
| | - Pablo Ramírez
- Transplant Unit, Surgery Service, University Clinical Hospital Virgen de la Arrixaca, Murcia, Spain,Biomedical Research Institute of Murcia IMIB-Pascual Parrilla, Murcia, Spain
| | - Pablo Pelegrín
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain,Department of Biochemistry and Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, 30120, Murcia, Spain,Corresponding author. Campus de Ciencias de la Salud, Edificio LAIB, Office 4.15, Ctra. Buenavista s/n, 30120, Murcia, Spain.
| | - Alberto Baroja-Mazo
- Molecular Inflammation Group, University Clinical Hospital Virgen de la Arrixaca, Biomedical Research Institute of Murcia (IMIB-Pascual Parrilla), 30120, Murcia, Spain,Corresponding author. Campus de Ciencias de la Salud, Edificio LAIB, Office 4.21, Ctra. Buenavista s/n, 30120, Murcia, Spain.
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16
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Song JX, Villagomes D, Zhao H, Zhu M. cGAS in nucleus: The link between immune response and DNA damage repair. Front Immunol 2022; 13:1076784. [PMID: 36591232 PMCID: PMC9797516 DOI: 10.3389/fimmu.2022.1076784] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/24/2022] [Indexed: 12/23/2022] Open
Abstract
As the first barrier of host defense, innate immunity sets up the parclose to keep out external microbial or virus attacks. Depending on the type of pathogens, several cytoplasm pattern recognition receptors exist to sense the attacks from either foreign or host origins, triggering the immune response to battle with the infections. Among them, cGAS-STING is the major pathway that mainly responds to microbial DNA, DNA virus infections, or self-DNA, which mainly comes from genome instability by-product or released DNA from the mitochondria. cGAS was initially found functional in the cytoplasm, although intriguing evidence indicates that cGAS exists in the nucleus where it is involved in the DNA damage repair process. Because the close connection between DNA damage response and immune response and cGAS recognizes DNA in length-dependent but DNA sequence-independent manners, it is urgent to clear the function balance of cGAS in the nucleus versus cytoplasm and how it is shielded from recognizing the host origin DNA. Here, we outline the current conception of immune response and the regulation mechanism of cGAS in the nucleus. Furthermore, we will shed light on the potential mechanisms that are restricted to be taken away from self-DNA recognition, especially how post-translational modification regulates cGAS functions.
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Affiliation(s)
- Jia-Xian Song
- Institute for Translation Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Deana Villagomes
- Department of Molecular and Cellular Biology, University of California Davis, One Shields Avenue, Davis, CA, United States
| | - Hongchang Zhao
- Department of Microbiology and Molecular Genetics, University of California Davis, One Shields Avenue, Davis, CA, United States
| | - Min Zhu
- Institute for Translation Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China,*Correspondence: Min Zhu,
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17
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Zhang B, Thorne RF, Zhang P, Wu M, Liu L. Vanguard is a Glucose Deprivation-Responsive Long Non-Coding RNA Essential for Chromatin Remodeling-Reliant DNA Repair. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201210. [PMID: 36047643 PMCID: PMC9596831 DOI: 10.1002/advs.202201210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/29/2022] [Indexed: 06/15/2023]
Abstract
Glucose metabolism contributes to DNA damage response pathways by regulating chromatin remodeling, double-strand break (DSB) repair, and redox homeostasis, although the underlying mechanisms are not fully established. Here, a previously uncharacterized long non-coding RNA is revealed that is call Vanguard which acts to promote HMGB1-dependent DNA repair in association with changes in global chromatin accessibility. Vanguard expression is maintained in cancer cells by SP1-dependent transcription according to glucose availability and cellular adenosine triphosphate (ATP) levels. Vanguard promotes complex formation between HMGB1 and HDAC1, with the resulting deacetylation of HMGB1 serving to maintain its nuclear localization and DSB repair function. However, Vanguard downregulation under glucose limiting conditions promotes HMGB1 translocation from the nucleus, increasing DNA damage, and compromising cancer cell growth and viability. Moreover, Vanguard silencing increases the effectiveness of poly (ADP-ribose) polymerase inhibitors against breast cancer cells with wild-type breast cancer gene-1 status, suggesting Vanguard as a potential therapeutic target.
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Affiliation(s)
- Ben Zhang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
| | - Rick Francis Thorne
- Henan Provincial and Zhengzhou City Key laboratory of Non‐coding RNA and Cancer MetabolismHenan International Join Laboratory of Non‐coding RNA and Metabolism in CancerPeople's Hospital of Zhengzhou UniversityAcademy of Medical SciencesZhengzhou UniversityZhengzhouHenan450053China
| | - Pengfei Zhang
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- The Cancer Hospital of the University of Chinese Academy of SciencesInstitute of Basic Medicine and Cancer (IBMC)Chinese Academy of SciencesHangzhouZhejiang310022China
| | - Mian Wu
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- Henan Provincial and Zhengzhou City Key laboratory of Non‐coding RNA and Cancer MetabolismHenan International Join Laboratory of Non‐coding RNA and Metabolism in CancerPeople's Hospital of Zhengzhou UniversityAcademy of Medical SciencesZhengzhou UniversityZhengzhouHenan450053China
| | - Lianxin Liu
- Department of Hepatobiliary SurgeryThe First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui230001China
- Anhui Province Key Laboratory of Hepatopancreatobiliary SurgeryThe First Affiliated Hospital of USTCHefeiAnhui230001China
- Anhui Provincial Clinical Research Center for Hepatobiliary DiseasesThe First Affiliated Hospital of USTCHefeiAnhui230001China
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18
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Natural Compounds for SIRT1-Mediated Oxidative Stress and Neuroinflammation in Stroke: A Potential Therapeutic Target in the Future. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1949718. [PMID: 36105479 PMCID: PMC9467755 DOI: 10.1155/2022/1949718] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/14/2022] [Accepted: 08/22/2022] [Indexed: 12/06/2022]
Abstract
Stroke is a fatal cerebral vascular disease with a high mortality rate and substantial economic and social costs. ROS production and neuroinflammation have been implicated in both hemorrhagic and ischemic stroke and have the most critical effects on subsequent brain injury. SIRT1, a member of the sirtuin family, plays a crucial role in modulating a wide range of physiological processes, including apoptosis, DNA repair, inflammatory response, and oxidative stress. Targeting SIRT1 to reduce ROS and neuroinflammation might represent an emerging therapeutic target for stroke. Therefore, we conducted the present review to summarize the mechanisms of SIRT1-mediated oxidative stress and neuroinflammation in stroke. In addition, we provide a comprehensive introduction to the effect of compounds and natural drugs on SIRT1 signaling related to oxidative stress and neuroinflammation in stroke. We believe that our work will be helpful to further understand the critical role of the SIRT1 signaling pathway and will provide novel therapeutic potential for stroke treatment.
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19
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Al-Attar R, Storey KB. RAGE management: ETS1- EGR1 mediated transcriptional networks regulate angiogenic factors in wood frogs. Cell Signal 2022; 98:110408. [PMID: 35842171 DOI: 10.1016/j.cellsig.2022.110408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/02/2022] [Accepted: 07/11/2022] [Indexed: 11/03/2022]
Abstract
Freeze-tolerant species, such as wood frogs (Rana sylvatica), are susceptible to multiple co-occurring stresses that they must overcome to survive. Freezing is accompanied by mechanical stress and dehydration due to ice crystal formation in the extracellular space, ischemia/anoxia due to interruption in blood flood, and hyperglycemia due to cryoprotective measures. Wood frogs can survive dehydration, anoxia, and high glucose stress independently of freezing, thereby creating a multifactorial model for studying freeze-tolerance. Oxidative stress and high glucose levels favors the production of pro-oxidant molecules and advanced glycation end product (AGE) adducts that could cause substantial cellular damage. In this study, the involvement of the high mobility group box 1 (HMGB1)-AGE/RAGE (receptor for AGE) axis and the regulation of ETS1 and EGR1-mediated angiogenic responses were investigated in liver of wood frogs expose to freeze/thaw, anoxia/reoxygenation and dehydration/rehydration treatments. HMGB1 and not AGE-adducts are likely to induce the activation of ETS1 and EGR1 via the RAGE pathway. The increase in nuclear localization of both ETS1 and EGR1, but not DNA binding activity in response to stress hints to a potential spatial and temporal regulation in inducing angiogenic factors. Freeze/thaw and dehydration/rehydration treatments increase the levels of both pro- and anti-angiogenic factors, perhaps to prepare for the distribution of cryoprotectants or enable the repair of damaged capillaries and wounds when needed. Overall, wood frogs appear to anticipate the need for angiogenesis in response to freezing and dehydration but not anoxic treatments, probably due to mechanical stress associated with the two former conditions.
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Affiliation(s)
- Rasha Al-Attar
- Institude of Biochemistry and Department of Biology, Carleton University, Ottawa, ON K1S-5B6, Canada; McEwen Stem Cell Institute, University Health Network, Toronto, Ontario, Canada
| | - Kenneth B Storey
- Institude of Biochemistry and Department of Biology, Carleton University, Ottawa, ON K1S-5B6, Canada.
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20
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Nuclease resistance and protein recognition properties of DNA and hybrid PNA-DNA four-way junctions. Biophys Chem 2022; 289:106863. [DOI: 10.1016/j.bpc.2022.106863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 11/18/2022]
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21
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Shelke V, Kale A, Anders HJ, Gaikwad AB. Epigenetic regulation of Toll-like receptors 2 and 4 in kidney disease. J Mol Med (Berl) 2022; 100:1017-1026. [PMID: 35704060 DOI: 10.1007/s00109-022-02218-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/25/2022] [Accepted: 05/30/2022] [Indexed: 11/25/2022]
Abstract
Kidney disease affects more than 10% of the worldwide population and causes significant morbidity and mortality. Epigenetic mechanisms such as DNA methylation, histone modifications, and non-coding RNAs (ncRNAs) play a pivotal role in the progression of kidney disease. These epigenetic mechanisms are reversible and majorly involved in regulating gene expression of inflammatory, fibrotic, and apoptotic proteins. Emerging data suggest that the Toll-like receptor 2 and Toll-like receptor 4 (TLR2 and TLR4) are expressed by almost all types of kidney cells and known for promoting inflammation by recognizing damage-associated molecular proteins (DAMPs). Epigenetic mechanisms regulate TLR2 and TLR4 signaling in various forms of kidney disease where different histone modifications promote the transcription of the TLR2 and TLR4 gene and its ligand high mobility group box protein 1 (HMGB1). Moreover, numerous long non-coding RNAs (LncRNAs) and microRNAs (miRNAs) modulate TLR2 and TLR4 signaling in kidney disease. However, the precise mechanisms behind this regulation are still enigmatic. Studying the epigenetic mechanisms involved in the regulation of TLR2 and TLR4 signaling in the development of kidney disease may help in understanding and finding novel therapeutic strategies. This review discusses the intricate relationship of epigenetic mechanisms with TLR2 and TLR4 in different forms of kidney diseases. In addition, we discuss the different lncRNAs and miRNAs that regulate TLR2 and TLR4 as potential therapeutic targets in kidney disease.
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Affiliation(s)
- Vishwadeep Shelke
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, 333 031, Rajasthan, India
| | - Ajinath Kale
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, 333 031, Rajasthan, India
| | - Hans-Joachim Anders
- Division of Nephrology, Department of Internal Medicine IV, University Hospital of the Ludwig Maximilians University Munich, 80336, Munich, Germany
| | - Anil Bhanudas Gaikwad
- Laboratory of Molecular Pharmacology, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, 333 031, Rajasthan, India.
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22
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Wang X, Liu Z, Ma A. Interpretation of the Genotype by Tissue Interactions of Four Genes (AFP1, CIRP, YB-1, and HMGB1) in Takifugu rubripes Under Different Low-Temperature Conditions. Front Mol Biosci 2022; 9:897935. [PMID: 35847974 PMCID: PMC9280165 DOI: 10.3389/fmolb.2022.897935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background: The differential expression of the same gene in different tissues could be due to the genotype effect, tissue effect, and/or genotype × tissue interactions. However, the genetic mechanisms responsible for this differential expression have not been reported to date.Methods: Four resistance genes to low temperature, the genes for antifreeze protein (AFP), cold induced RNA binding protein (CIRP), high mobility group protein box-1 (HMGB1), and Y-box binding protein (YB-1), were measured by PCR in the liver, spleen, kidney, brain, heart, intestine, muscle, gonad, and skin of Takifugu rubripes cultured under different temperature conditions (18, 13, 8, and 5°C). Split-split-plot analysis of variance, additive main effects and multiplicative interaction (AMMI) and genotype main effects and genotype × environment interaction (GGE) biplot analysis were used to evaluate the effects of genotype × tissue interactions on gene expression.Results: The results of split-split-plot analysis of variance showed that water temperature has a significant effect on the expression of T. rubripes cold resistant genes, while tissue × gene interaction has a highly significant effect on it. AMMI analysis showed that the contributions of genotype, tissue, and genotype × tissue interactions to the total variation in gene expression followed two trends: 1) as temperature decreased, the gene effect increased gradually and the genotype × tissue interaction decreased gradually; 2) the gene effect at 18 and 13°C was significantly lower than that at 8 and 5°C, while the interaction at 18 and 13°C was significantly higher than that at 8 and 5°C. GGE analysis showed that: at all temperatures except 8°C, the expression rankings of all four genes were highly positively correlated in all tissues except muscle; the expression stability of the genes was the same at 18°C/13°C and at 8°C/5°C; and AFP1 showed the best expression and stability among the four genes.Conclusion: 8°C/5°C as the suitable temperature for such experiments for T. rubripes. Among the four antifreeze genes evaluated in this study, AFP1 had the best expression and stability.
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Affiliation(s)
- Xinan Wang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Zhifeng Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Aijun Ma
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
- *Correspondence: Aijun Ma,
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23
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Hepatitis B virus X protein counteracts high mobility group box 1 protein-mediated epigenetic silencing of covalently closed circular DNA. PLoS Pathog 2022; 18:e1010576. [PMID: 35679251 PMCID: PMC9182688 DOI: 10.1371/journal.ppat.1010576] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/06/2022] [Indexed: 11/19/2022] Open
Abstract
Hepatitis B virus (HBV) covalently closed circular DNA (cccDNA), serving as the viral persistence form and transcription template of HBV infection, hijacks host histone and non-histone proteins to form a minichromosome and utilizes posttranslational modifications (PTMs) "histone code" for its transcriptional regulation. HBV X protein (HBx) is known as a cccDNA transcription activator. In this study we established a dual system of the inducible reporter cell lines modelling infection with wildtype (wt) and HBx-null HBV, both secreting HA-tagged HBeAg as a semi-quantitative marker for cccDNA transcription. The cccDNA-bound histone PTM profiling of wt and HBx-null systems, using chromatin immunoprecipitation coupled with quantitative PCR (ChIP-qPCR), confirmed that HBx is essential for maintenance of cccDNA at transcriptionally active state, characterized by active histone PTM markers. Differential proteomics analysis of cccDNA minichromosome established in wt and HBx-null HBV cell lines revealed group-specific hits. One of the hits in HBx-deficient condition was a non-histone host DNA-binding protein high mobility group box 1 (HMGB1). Its elevated association to HBx-null cccDNA was validated by ChIP-qPCR assay in both the HBV stable cell lines and infection systems in vitro. Furthermore, experimental downregulation of HMGB1 in HBx-null HBV inducible and infection models resulted in transcriptional re-activation of the cccDNA minichromosome, accompanied by a switch of the cccDNA-associated histones to euchromatic state with activating histone PTMs landscape and subsequent upregulation of cccDNA transcription. Mechanistically, HBx interacts with HMGB1 and prevents its binding to cccDNA without affecting the steady state level of HMGB1. Taken together, our results suggest that HMGB1 is a novel host restriction factor of HBV cccDNA with epigenetic silencing mechanism, which can be counteracted by viral transcription activator HBx.
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24
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Bosire R, Fadel L, Mocsár G, Nánási P, Sen P, Sharma AK, Naseem MU, Kovács A, Kugel J, Kroemer G, Vámosi G, Szabó G. Doxorubicin impacts chromatin binding of HMGB1, Histone H1 and retinoic acid receptor. Sci Rep 2022; 12:8087. [PMID: 35577872 PMCID: PMC9110345 DOI: 10.1038/s41598-022-11994-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 05/03/2022] [Indexed: 11/10/2022] Open
Abstract
Doxorubicin (Dox), a widely used anticancer DNA-binding drug, affects chromatin in multiple ways, and these effects contribute to both its efficacy and its dose-limiting side effects, especially cardiotoxicity. Here, we studied the effects of Dox on the chromatin binding of the architectural proteins high mobility group B1 (HMGB1) and the linker histone H1, and the transcription factor retinoic acid receptor (RARα) by fluorescence recovery after photobleaching (FRAP) and fluorescence correlation spectroscopy (FCS) in live cells. At lower doses, Dox increased the binding of HMGB1 to DNA while decreasing the binding of the linker histone H1. At higher doses that correspond to the peak plasma concentrations achieved during chemotherapy, Dox reduced the binding of HMGB1 as well. This biphasic effect is interpreted in terms of a hierarchy of competition between the ligands involved and Dox-induced local conformational changes of nucleosome-free DNA. Combined, FRAP and FCS mobility data suggest that Dox decreases the overall binding of RARα to DNA, an effect that was only partially overcome by agonist binding. The intertwined interactions described are likely to contribute to both the effects and side effects of Dox.
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Affiliation(s)
- Rosevalentine Bosire
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, Debrecen, Hungary
| | - Lina Fadel
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
| | - Gábor Mocsár
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Péter Nánási
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Pialy Sen
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
| | - Anshu Kumar Sharma
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Muhammad Umair Naseem
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
| | - Attila Kovács
- Department of Radiation Therapy, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Jennifer Kugel
- Department of Biochemistry, University of Colorado, Boulder, USA
| | - Guido Kroemer
- Centre de Recherche Des Cordeliers, Equipe Labellisée Par La Ligue Contre Le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France.,Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France.,Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - György Vámosi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.
| | - Gábor Szabó
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.
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25
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Maysinger D, Sanader Maršić Ž, Gran ER, Shobo A, Macairan JR, Zhang I, Perić Bakulić M, Antoine R, Multhaup G, Bonačić-Kouteckỳ V. Insights into the Impact of Gold Nanoclusters Au 10SG 10 on Human Microglia. ACS Chem Neurosci 2022; 13:464-476. [PMID: 35080850 DOI: 10.1021/acschemneuro.1c00621] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The purpose of the current study is to uncover the impact of small liganded gold nanoclusters with 10 gold atoms and 10 glutathione ligands (Au10SG10) on several biomarkers in human microglia. We established the links connecting the atomically precise structure of Au10SG10 with their properties and changes in several biomolecules under oxidative stress. Au10SG10 caused the loss of mitochondrial metabolic activity, increased lipid peroxidation and translocation of an alarmin molecule, high mobility group box 1 (HMGB1), from the nucleus to the cytosol. Molecular modeling provided an insight into the location of amino acid interaction sites with Au10SG10 and the nature of bonds participating in these interactions. We show that Au10SG10 can bind directly to the defined sites of reduced, oxidized, and acetylated HMGB1. Further studies with similar complementary approaches merging live-cell analyses, determination of biomarkers, and cell functions could lead to optimized gold nanoclusters best suited for diagnostic and bioimaging purposes in neuroscience.
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Affiliation(s)
- Dusica Maysinger
- Department of Pharmacology & Therapeutics, McGill University, H3G 1Y6 Montréal, Canada
- Interdisciplinary Center for Advanced Science and Technology (ICAST) at University of Split, Meštrovićevo šetalište 45, 21000 Split, Croatia
| | - Željka Sanader Maršić
- Faculty of Science, University of Split, Ruđera Boškovića 33, 21000 Split, Republic of Croatia
- Interdisciplinary Center for Advanced Science and Technology (ICAST) at University of Split, Meštrovićevo šetalište 45, 21000 Split, Croatia
| | - Evan Rizzel Gran
- Department of Pharmacology & Therapeutics, McGill University, H3G 1Y6 Montréal, Canada
| | - Adeola Shobo
- Department of Pharmacology & Therapeutics, McGill University, H3G 1Y6 Montréal, Canada
| | - Jun-Ray Macairan
- Department of Chemical Engineering, McGill University, H3A 0C5 Montréal, Canada
| | - Issan Zhang
- Department of Pharmacology & Therapeutics, McGill University, H3G 1Y6 Montréal, Canada
| | - Martina Perić Bakulić
- Center of Excellence for Science and Technology-Integration of Mediterranean Region (STIM), Faculty of Science, University of Split, Ruđera Boškovića 33, 21000 Split, Croatia
- Interdisciplinary Center for Advanced Science and Technology (ICAST) at University of Split, Meštrovićevo šetalište 45, 21000 Split, Croatia
| | - Rodolphe Antoine
- Institut Lumière Matière UMR 5306, Université Claude Bernard Lyon 1, CNRS, Univ Lyon, F-69100 Villeurbanne, France
| | - Gerhard Multhaup
- Department of Pharmacology & Therapeutics, McGill University, H3G 1Y6 Montréal, Canada
| | - Vlasta Bonačić-Kouteckỳ
- Center of Excellence for Science and Technology-Integration of Mediterranean Region (STIM), Faculty of Science, University of Split, Ruđera Boškovića 33, 21000 Split, Croatia
- Interdisciplinary Center for Advanced Science and Technology (ICAST) at University of Split, Meštrovićevo šetalište 45, 21000 Split, Croatia
- Chemistry Department, Humboldt University of Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
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26
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Jo HR, Jeong JH. MicroRNA-Mediated Downregulation of HMGB2 Contributes to Cellular Senescence in Microvascular Endothelial Cells. Cells 2022; 11:cells11030584. [PMID: 35159393 PMCID: PMC8834370 DOI: 10.3390/cells11030584] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/29/2022] [Accepted: 02/07/2022] [Indexed: 11/24/2022] Open
Abstract
High mobility group box 2 (HMGB2) is a non-histone chromosomal protein involved in various biological processes, including cellular senescence. However, its role in cellular senescence has not been evaluated extensively. To determine the regulatory role and mechanism of HMGB2 in cellular senescence, we performed gene expression analysis, senescence staining, and tube formation assays using young and senescent microvascular endothelial cells (MVECs) after small RNA treatment or HMGB2 overexpression. HMGB2 expression decreased with age and was regulated at the transcriptional level. siRNA-mediated downregulation inhibited cell proliferation and accelerated cellular senescence. In contrast, ectopic overexpression delayed senescence and maintained relatively higher tube-forming activity. To determine the HMGB2 downregulation mechanism, we screened miRNAs that were significantly upregulated in senescent MVECs and selected HMGB2-targeting miRNAs. Six miRNAs, miR-23a-3p, 23b-3p, -181a-5p, -181b-5p, -221-3p, and -222-3p, were overexpressed in senescent MVECs. Ectopic introduction of miR-23a-3p, -23b-3p, -181a-5p, -181b-5p, and -221-3p, with the exception of miR-222-3p, led to the downregulation of HMGB2, upregulation of senescence-associated markers, and decreased tube formation activity. Inhibition of miR-23a-3p, -181a-5p, -181b-5p, and -221-3p delayed cellular senescence. Restoration of HMGB2 expression using miRNA inhibitors represents a potential strategy to overcome the detrimental effects of cellular senescence in endothelial cells.
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Affiliation(s)
- Hye-Ram Jo
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Science, Seoul 01812, Korea;
- Radiological and Medico-Oncological Sciences, University of Science and Technology, Daejeon 34113, Korea
| | - Jae-Hoon Jeong
- Division of Radiation Biomedical Research, Korea Institute of Radiological & Medical Science, Seoul 01812, Korea;
- Radiological and Medico-Oncological Sciences, University of Science and Technology, Daejeon 34113, Korea
- Correspondence: ; Tel.: +82-2970-1386
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27
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Wang J, Jarrold B, Zhao W, Deng G, Moulton L, Laughlin T, Hakozaki T. The combination of sucrose dilaurate and sucrose laurate suppresses HMGB1: an enhancer of melanocyte dendricity and melanosome transfer to keratinocytes. J Eur Acad Dermatol Venereol 2022; 36 Suppl 3:3-11. [PMID: 35014730 DOI: 10.1111/jdv.17846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/22/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Hyperpigmented spots are common issues in all ethnicities, involving multiple intrinsic and extrinsic factors such as UVB exposure, hormone balance, inflammatory status and ageing. OBJECTIVES To determine (i) melanocyte dendricity in multiple facial spot types, (ii) impact of High Mobility Group Box 1 (HMGB1), and the combination of sucrose dilaurate and sucrose laurate (SDL) on melanogenesis and melanocyte dendricity, and (iii) SDL effect on facial spots in a human use test. METHODS Facial spot and adjacent non-spot skin biopsies were collected from Chinese women (age 20-70). Histological assessment of melanocyte dendricity was performed for 3 spot types (solar lentigo, melasma and postinflammatory hyperpigmentation) by immunofluorescent staining for c-kit/MITF. Keratinocyte, melanocyte and melanocyte-keratinocyte co-culture models were used to assess HMGB1 release by UVB radiation, the effects of HMGB1 and SDL on melanin production, melanocyte dendricity and melanosome transfer. The effect of an SDL-containing moisturizer on appearance of facial hyperpigmented spots was assessed against a vehicle control in an 8-week human use test. RESULTS Melanocytes in spot areas are more dendritic than melanocytes in adjacent non-spot skin across three investigated spot types. In cell culture models, a moderate UVB-radiation exposure caused release of HMGB1 from keratinocytes. HMGB1 did not alter melanin production in melanocytes, but enhanced melanocyte dendricity and melanosome transfer. SDL reduced HMGB1 release from keratinocytes, inhibited melanin production, reversibly suppressed melanocyte dendricity and reduced melanosome transfer. In the human use test, SDL-containing moisturizer reduced appearance of spots versus vehicle. CONCLUSION Increased melanocyte dendricity was observed in multiple types of facial spots. Addition of HMGB1 protein increased melanocyte dendricity and melanosome transfer in cell cultures, implicating potential involvement in spot formation. SDL suppressed melanin production, melanocyte dendricity and melanosome transfer in vitro and reduced appearance of spots in the use test, suggesting SDL is an effective solution to address hyperpigmented spot concerns.
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Affiliation(s)
- J Wang
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - B Jarrold
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - W Zhao
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - G Deng
- P&G Singapore Innovation Center, Singapore City, Singapore
| | - L Moulton
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - T Laughlin
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
| | - T Hakozaki
- The Procter & Gamble Company, Mason Business Center, Mason, OH, USA
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28
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Zhong X, Zhang S, Zhang Y, Jiang Z, Li Y, Chang J, Niu J, Shi Y. HMGB3 is Associated With an Unfavorable Prognosis of Neuroblastoma and Promotes Tumor Progression by Mediating TPX2. Front Cell Dev Biol 2022; 9:769547. [PMID: 34988076 PMCID: PMC8721485 DOI: 10.3389/fcell.2021.769547] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 11/22/2021] [Indexed: 12/14/2022] Open
Abstract
Neuroblastoma (NB) is the most common solid tumor apart from central nervous system malignancies in children aged 0–14 years, and the outcomes of high-risk patients are dismal. High mobility group box 3 (HMGB3) plays an oncogenic role in many cancers; however, its biological role in NB is still unclear. Using data mining, we found that HMGB3 expression was markedly elevated in NB patients with unfavorable prognoses. When HMGB3 expression in NB cell lines was inhibited, cell proliferation, migration, and invasion were suppressed, and HMGB3 knockdown inhibited NB tumor development in mice. RT−PCR was employed to detect mRNA expression of nine coexpressed genes in response to HMGB3 knockdown, and TPX2 was identified. Furthermore, overexpression of TPX2 reversed the cell proliferation effect of HMGB3 silencing. Multivariate Cox regression analysis indicated that HMGB3 and TPX2 might be independent prognostic factors for overall survival and event-free survival, which showed the highest significance (p < 0.001). According to the nomogram predictor constructed, the integration of gene expression and clinicopathological features exhibited better prognostic prediction power. Furthermore, the random forest algorithm and receiver operating characteristic curves also showed that HMGB3 and TPX2 played important roles in discriminating the vital status (alive/dead) of patients in the NB datasets. Our informatics analysis and biological experiments suggested that HMGB3 is correlated with the unfavorable clinical outcomes of NB, and plays an important role in promoting cell growth, proliferation, and invasion in NB, potentially representing a new therapeutic target for tumor progression.
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Affiliation(s)
- Xiaodan Zhong
- Department of Pediatric Oncology, The First Hospital of Jilin University, Changchun, China
| | - Songling Zhang
- Department of Obstetrics and Gynecology, The First Hospital of Jilin University, Changchun, China
| | - Yutong Zhang
- Department of Pediatric Oncology, The First Hospital of Jilin University, Changchun, China
| | - Zongmiao Jiang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun, China
| | - Yanan Li
- Department of Pediatrics, The First Hospital of Jilin University, Changchun, China
| | - Jian Chang
- Department of Pediatric Oncology, The First Hospital of Jilin University, Changchun, China
| | - Junqi Niu
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
| | - Ying Shi
- Department of Hepatology, The First Hospital of Jilin University, Changchun, China
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29
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Chavez-Dominguez RL, Perez-Medina MA, Lopez-Gonzalez JS, Galicia-Velasco M, Matias-Florentino M, Avila-Rios S, Rumbo-Nava U, Salgado-Aguayo A, Gonzalez-Gonzalez C, Aguilar-Cazares D. Role of HMGB1 in Cisplatin-Persistent Lung Adenocarcinoma Cell Lines. Front Oncol 2021; 11:750677. [PMID: 34966671 PMCID: PMC8710495 DOI: 10.3389/fonc.2021.750677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 11/11/2021] [Indexed: 12/22/2022] Open
Abstract
Significant advances have been made recently in the development of targeted therapy for lung adenocarcinoma. However, platinum-based chemotherapy remains as the cornerstone in the treatment of this neoplasm. This is the treatment option for adenocarcinomas without EGFR gain-of-function mutations or tumors that have developed resistance to targeted therapy. The High-Mobility Group Box 1 (HMGB1) is a multifunctional protein involved in intrinsic resistance to cisplatin. HMGB1 is released when cytotoxic agents, such as cisplatin, induce cell death. In the extracellular milieu, HMGB1 acts as adjuvant to induce an antitumor immune response. However, the opposite effect favoring tumor progression has also been reported. In this study, the effects of cisplatin in lung adenocarcinoma cell lines harboring clinically relevant mutations, such as EGFR mutations, were studied. Subcellular localization of HMGB1 was detected in the cell lines and in viable cells after a single exposure to cisplatin, which are designated as cisplatin-persistent cells. The mRNA expression of the receptor for advanced glycation end products (RAGE), TLR-2, and TLR-4 receptors was measured in parental cell lines and their persistent variants. Finally, changes in plasma HMGB1 from a cohort of lung adenocarcinoma patients without EGFR mutation and treated with cisplatin-based therapy were analyzed. Cisplatin-susceptible lung adenocarcinoma cell lines died by apoptosis or necrosis and released HMGB1. In cisplatin-persistent cells, nuclear relocalization of HMGB1 and overexpression of HMGB1 and RAGE, but not TLR-2 or TLR-4, were observed. In tumor cells, this HMGB1–RAGE interaction may be associated with the development of cisplatin resistance. The results indicate a direct relationship between the plasma levels of HMGB1 and overall survival. In conclusion, HMGB1 may be an effective biomarker associated with increased overall survival of lung adenocarcinoma patients.
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Affiliation(s)
- Rodolfo L Chavez-Dominguez
- Laboratorio de Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico.,Posgrado en Ciencias Biologicas, Universidad Nacional Autonoma de Mexico, Mexico, Mexico
| | - Mario A Perez-Medina
- Laboratorio de Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico.,Laboratorio de Quimioterapia Experimental, Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, Mexico, Mexico
| | - Jose S Lopez-Gonzalez
- Laboratorio de Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | - Miriam Galicia-Velasco
- Laboratorio de Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | - Margarita Matias-Florentino
- Centro de Investigacion en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | - Santiago Avila-Rios
- Centro de Investigacion en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | - Uriel Rumbo-Nava
- Clinica de Neumo-Oncologia, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | - Alfonso Salgado-Aguayo
- Laboratorio de Enfermedades Reumaticas, Departmento de Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
| | | | - Dolores Aguilar-Cazares
- Laboratorio de Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosio Villegas", Mexico, Mexico
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30
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Reinhart NM, Akinyemi IA, Frey TR, Xu H, Agudelo C, Brathwaite J, Burton EM, Burgula S, McIntosh MT, Bhaduri-McIntosh S. The danger molecule HMGB1 cooperates with the NLRP3 inflammasome to sustain expression of the EBV lytic switch protein in Burkitt lymphoma cells. Virology 2021; 566:136-142. [PMID: 34922257 DOI: 10.1016/j.virol.2021.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 10/19/2022]
Abstract
High mobility group box 1 (HMGB1) is an important chromatin protein and a pro-inflammatory molecule. Though shown to enhance target DNA binding by the Epstein-Barr virus (EBV) lytic switch protein ZEBRA, whether HMGB1 actually contributes to gammaherpesvirus biology is not known. In investigating the contribution of HMGB1 to the lytic phase of EBV, important for development of EBV-mediated diseases, we find that compared to latently-infected cells, lytic phase Burkitt lymphoma-derived cells and peripheral blood lytic cells during primary EBV infection express high levels of HMGB1. Our experiments place HMGB1 upstream of ZEBRA and reveal that HMGB1, through the NLRP3 inflammasome, sustains the expression of ZEBRA. These findings indicate that in addition to the NLRP3 inflammasome's recently discovered role in turning the EBV lytic switch on, NLRP3 cooperates with the danger molecule HMGB1 to also maintain ZEBRA expression, thereby sustaining the lytic signal.
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Affiliation(s)
- Nolan M Reinhart
- Division of Infectious Diseases, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Ibukun A Akinyemi
- Child Health Research Institute, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Tiffany R Frey
- Child Health Research Institute, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Huanzhou Xu
- Division of Infectious Diseases, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Carolina Agudelo
- Division of Infectious Diseases, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Jozan Brathwaite
- Division of Neonatology, Department of Pediatrics, Stony Brook University, NY, USA
| | - Eric M Burton
- Division of Infectious Diseases, Department of Pediatrics, University of Florida, Gainesville, FL, USA
| | - Sandeepta Burgula
- Division of Infectious Diseases, Department of Pediatrics, Stony Brook University, NY, USA
| | - Michael T McIntosh
- Child Health Research Institute, Department of Pediatrics, University of Florida, Gainesville, FL, USA; Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL, USA
| | - Sumita Bhaduri-McIntosh
- Division of Infectious Diseases, Department of Pediatrics, University of Florida, Gainesville, FL, USA; Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL, USA.
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eccDNAs are apoptotic products with high innate immunostimulatory activity. Nature 2021; 599:308-314. [PMID: 34671165 PMCID: PMC9295135 DOI: 10.1038/s41586-021-04009-w] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 09/07/2021] [Indexed: 12/14/2022]
Abstract
Extrachromosomal circular DNA elements (eccDNAs) have been described in the literature for several decades, and are known for their broad existence across different species1,2. However, their biogenesis and functions are largely unknown. By developing a new circular DNA enrichment method, here we purified and sequenced full-length eccDNAs with Nanopore sequencing. We found that eccDNAs map across the entire genome in a close to random manner, suggesting a biogenesis mechanism of random ligation of genomic DNA fragments. Consistent with this idea, we found that apoptosis inducers can increase eccDNA generation, which is dependent on apoptotic DNA fragmentation followed by ligation by DNA ligase 3. Importantly, we demonstrated that eccDNAs can function as potent innate immunostimulants in a manner that is independent of eccDNA sequence but dependent on eccDNA circularity and the cytosolic DNA sensor Sting. Collectively, our study not only revealed the origin, biogenesis and immunostimulant function of eccDNAs but also uncovered their sensing pathway and potential clinical implications in immune response.
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A Systems Approach to Interrogate Gene Expression Patterns in African American Men Presenting with Clinically Localized Prostate Cancer. Cancers (Basel) 2021; 13:cancers13205143. [PMID: 34680291 PMCID: PMC8533960 DOI: 10.3390/cancers13205143] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/20/2021] [Accepted: 09/27/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Men of African origin have a 2–3 times greater chance of developing prostate cancer than those of European origin, and of patients that are diagnosed with the disease, men of African descent are 2 times more likely to die compared to white men. Men of African origin are still greatly underrepresented in genetic studies and clinical trials. This, unfortunately, means that new discoveries in cancer treatment are missing key information on the group with a greater chance of mortality. The objective of this study was to increase our knowledge of prostate cancer in men undergoing a prostate biopsy. We carried out RNA sequencing of biopsy specimens and examined racial differences in prostate gene expression. A gene expression signature was uncovered which separated the men based on their race. Furthermore, within men of African descent this signature separated men with the most severe clinical characteristics. Abstract An emerging theory about racial differences in cancer risk and outcomes is that psychological and social stressors influence cellular stress responses; however, limited empirical data are available on racial differences in cellular stress responses among men who are at risk for adverse prostate cancer outcomes. In this study, we undertook a systems approach to examine molecular profiles and cellular stress responses in an important segment of African American (AA) and European American (EA) men: men undergoing prostate biopsy. We assessed the prostate transcriptome with a single biopsy core via high throughput RNA sequencing (RNA-Seq). Transcriptomic analyses uncovered impacted biological pathways including PI3K-Akt signaling pathway, Neuroactive ligand-receptor interaction pathway, and ECM-receptor interaction. Additionally, 187 genes mapping to the Gene Ontology (GO) terms RNA binding, structural constituent of ribosome, SRP-dependent co-translational protein targeting to membrane and the biological pathways, translation, L13a-mediated translational silencing of Ceruloplasmin expression were differentially expressed (DE) between EA and AA. This signature allowed separation of AA and EA patients, and AA patients with the most severe clinical characteristics. AA patients with elevated expression levels of this genomic signature presented with higher Gleason scores, a greater number of positive core biopsies, elevated dehydroepiandrosterone sulfate levels and serum vitamin D deficiency. Protein-protein interaction (PPI) network analysis revealed a high degree of connectivity between these 187 proteins.
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Balana AT, Mukherjee A, Nagpal H, Moon SP, Fierz B, Vasquez KM, Pratt MR. O-GlcNAcylation of High Mobility Group Box 1 (HMGB1) Alters Its DNA Binding and DNA Damage Processing Activities. J Am Chem Soc 2021; 143:16030-16040. [PMID: 34546745 DOI: 10.1021/jacs.1c06192] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Protein O-GlcNAcylation is an essential and dynamic regulator of myriad cellular processes, including DNA replication and repair. Proteomic studies have identified the multifunctional nuclear protein HMGB1 as O-GlcNAcylated, providing a potential link between this modification and DNA damage responses. Here, we verify the protein's endogenous modification at S100 and S107 and found that the major modification site is S100, a residue that can potentially influence HMGB1-DNA interactions. Using synthetic protein chemistry, we generated site-specifically O-GlcNAc-modified HMGB1 at S100 and characterized biochemically the effect of the sugar modification on its DNA binding activity. We found that O-GlcNAc alters HMGB1 binding to linear, nucleosomal, supercoiled, cruciform, and interstrand cross-linked damaged DNA, generally resulting in enhanced oligomerization on these DNA structures. Using cell-free extracts, we also found that O-GlcNAc reduces the ability of HMGB1 to facilitate DNA repair, resulting in error-prone processing of damaged DNA. Our results expand our understanding of the molecular consequences of O-GlcNAc and how it affects protein-DNA interfaces. Importantly, our work may also support a link between upregulated O-GlcNAc levels and increased rates of mutations in certain cancer states.
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Affiliation(s)
| | - Anirban Mukherjee
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, Texas 78723, United States
| | - Harsh Nagpal
- Laboratory of Biophysical Chemistry of Macromolecules, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | | | - Beat Fierz
- Laboratory of Biophysical Chemistry of Macromolecules, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Karen M Vasquez
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Dell Pediatric Research Institute, 1400 Barbara Jordan Boulevard, Austin, Texas 78723, United States
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Interactions of HMGB Proteins with the Genome and the Impact on Disease. Biomolecules 2021; 11:biom11101451. [PMID: 34680084 PMCID: PMC8533419 DOI: 10.3390/biom11101451] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/30/2021] [Accepted: 10/01/2021] [Indexed: 01/01/2023] Open
Abstract
High Mobility Group Box (HMGB) proteins are small architectural DNA binding proteins that regulate multiple genomic processes such as DNA damage repair, nucleosome sliding, telomere homeostasis, and transcription. In doing so they control both normal cellular functions and impact a myriad of disease states, including cancers and autoimmune diseases. HMGB proteins bind to DNA and nucleosomes to modulate the local chromatin environment, which facilitates the binding of regulatory protein factors to the genome and modulates higher order chromosomal organization. Numerous studies over the years have characterized the structure and function of interactions between HMGB proteins and DNA, both biochemically and inside cells, providing valuable mechanistic insight as well as evidence these interactions influence pathological processes. This review highlights recent studies supporting the roles of HMGB1 and HMGB2 in global organization of the genome, as well as roles in transcriptional regulation and telomere maintenance via interactions with G-quadruplex structures. Moreover, emerging models for how HMGB proteins function as RNA binding proteins are presented. Nuclear HMGB proteins have broad regulatory potential to impact numerous aspects of cellular metabolism in normal and disease states.
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Huang Y, Zhang G, Zhu Q, Wu X, Wu L. Role of Cytokines Released During Pyroptosis in Non-Small Cell Lung Cancer. Cancer Manag Res 2021; 13:7399-7409. [PMID: 34594133 PMCID: PMC8478113 DOI: 10.2147/cmar.s330232] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/10/2021] [Indexed: 12/22/2022] Open
Abstract
Purpose Pyroptosis is a recently discovered highly inflammatory form of programmed cell death, during which the N-terminus of the cleaved Gasdermin protein family forms pores in the cell membrane, leading to cell disintegration and the release of certain intracellular factors, including caspase3, gasdermin E (GSDME), and high mobility group proteins (HMGB1), which trigger a series of secondary inflammatory reactions. Specifically, caspase3 can lyse GSDME and induce pyrolysis, while HMGB1 is released passively after cell membrane destruction. In this study, the roles of these proteins in lung cancer tissues as well as their clinical significance were investigated. Patients and Methods The expression levels of GSDME, caspase3, and HMGB1 proteins in lung cancer and paracancerous tissues were determined via immunohistochemical staining, and their relationship with the clinical stage, pathological grade, and survival prognosis of the patients was analyzed. Further, CD8+ T cell accumulation in the above-mentioned tissues was also determined, and differences between them with respect to CD8+T cell distribution were also investigated. Furthermore, the relationships between CD8+ T cell abundance and the expression levels of the above-mentioned proteins were determined via statistical analyses. Results Lung cancer and paracancerous tissues showed significantly different GSDME, caspase3, and HMGB1 protein expression levels. GSDME expression level and the presence or absence of lymph node invasion were identified as prognostic indicators of survival in patients with lung cancer. Surprisingly, however, HMGB1, which showed a certain level of correlation with the presence or absence of lymph node metastasis, could not be used as a prognostic indicator of survival. Conclusion GSDME may be an important prognostic indicator of survival in patients with lung cancer. However, the effects of HMGB1 expression level and CD8+ T cell abundance on the prognosis of patients with lung cancer still need further investigation.
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Affiliation(s)
- Yuanli Huang
- Department of Pathology, the First Affiliated Hospital of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China.,Graduate School of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China
| | - Guanghui Zhang
- Department of Pathology, the First Affiliated Hospital of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China.,Graduate School of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China
| | - Qing Zhu
- Department of Pathology, the First Affiliated Hospital of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China
| | - Xia Wu
- Department of Pathology, Fuyang Tumor Hospital, Fuyang City, Anhui Province, People's Republic of China
| | - Ligao Wu
- Department of Pathology, the First Affiliated Hospital of Bengbu Medical College, Bengbu City, Anhui Province, People's Republic of China
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Hatayama K, Chen RH, Hanson J, Teshigawara K, Qiu J, Santoso A, Disdier C, Nakada S, Chen X, Nishibori M, Lim YP, Stonestreet BS. High-mobility group box-1 and inter-alpha inhibitor proteins: In vitro binding and co-localization in cerebral cortex after hypoxic-ischemic injury. FASEB J 2021; 35:e21399. [PMID: 33559227 DOI: 10.1096/fj.202002109rr] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 01/09/2021] [Accepted: 01/12/2021] [Indexed: 12/17/2022]
Abstract
The high-mobility group box-1 (HMGB1) protein is a transcription-regulating protein located in the nucleus. However, it serves as a damage-associated molecular pattern protein that activates immune cells and stimulates inflammatory cytokines to accentuate neuroinflammation after release from damaged cells. In contrast, Inter-alpha Inhibitor Proteins (IAIPs) are proteins with immunomodulatory effects including inhibition of pro-inflammatory cytokines. We have demonstrated that IAIPs exhibit neuroprotective properties in neonatal rats exposed to hypoxic-ischemic (HI) brain injury. In addition, previous studies have suggested that the light chain of IAIPs, bikunin, may exert its anti-inflammatory effects by inhibiting HMGB1 in a variety of different injury models in adult subjects. The objectives of the current study were to confirm whether HMGB1 is a target of IAIPs by investigating the potential binding characteristics of HMGB1 and IAIPs in vitro, and co-localization in vivo in cerebral cortices after exposure to HI injury. Solid-phase binding assays and surface plasmon resonance (SPR) were used to determine the physical binding characteristics between IAIPs and HMGB1. Cellular localizations of IAIPs-HMGB1 in neonatal rat cortex were visualized by double labeling with anti-IAIPs and anti-HMGB1 antibodies. Solid-phase binding and SPR demonstrated specific binding between IAIPs and HMGB1 in vitro. Cortical cytoplasmic and nuclear co-localization of IAIPs and HMGB1 were detected by immunofluorescent staining in control and rats immediately and 3 hours after HI. In conclusion, HMGB1 and IAIPs exhibit direct binding in vitro and co-localization in vivo in neonatal rats exposed to HI brain injury suggesting HMGB1 could be a target of IAIPs.
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Affiliation(s)
- Kazuki Hatayama
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Ray H Chen
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Jordan Hanson
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Kiyoshi Teshigawara
- Department of Pharmacology, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Joseph Qiu
- ProThera Biologics, Inc., Providence, RI, USA
| | | | - Clémence Disdier
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Sakura Nakada
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Xiaodi Chen
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
| | - Masahiro Nishibori
- Department of Pharmacology, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Yow-Pin Lim
- ProThera Biologics, Inc., Providence, RI, USA.,Department Pathology and Laboratory Medicine, Alpert Medical School of Brown University, Providence, RI, USA
| | - Barbara S Stonestreet
- Women & Infants Hospital of Rhode Island, Alpert Medical School of Brown University, Providence, RI, USA
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Lou MM, Tang XQ, Wang GM, He J, Luo F, Guan MF, Wang F, Zou H, Wang JY, Zhang Q, Xu MJ, Shi QL, Shen LB, Ma GM, Wu Y, Zhang YY, Liang AB, Wang TH, Xiong LL, Wang J, Xu J, Wang WY. Long noncoding RNA BS-DRL1 modulates the DNA damage response and genome stability by interacting with HMGB1 in neurons. Nat Commun 2021; 12:4075. [PMID: 34210972 PMCID: PMC8249382 DOI: 10.1038/s41467-021-24236-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/09/2021] [Indexed: 12/15/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are known to regulate DNA damage response (DDR) and genome stability in proliferative cells. However, it remains unknown whether lncRNAs are involved in these vital biological processes in post-mitotic neurons. Here, we report and characterize a lncRNA, termed Brain Specific DNA-damage Related lncRNA1 (BS-DRL1), in the central nervous system. BS-DRL1 is a brain-specific lncRNA and depletion of BS-DRL1 in neurons leads to impaired DDR upon etoposide treatment in vitro. Mechanistically, BS-DRL1 interacts with HMGB1, a chromatin protein that is important for genome stability, and is essential for the assembly of HMGB1 on chromatin. BS-DRL1 mediated DDR exhibits cell-type specificity in the cortex and cerebellum in gamma-irradiated mice and BS-DRL1 knockout mice show impaired motor function and concomitant purkinje cell degeneration. Our study extends the understanding of lncRNAs in DDR and genome stability and implies a protective role of lncRNA against neurodegeneration.
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Affiliation(s)
- Min-Min Lou
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiao-Qiang Tang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Guang-Ming Wang
- East Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Hematology, Tongji Hospital of Tongji University School of Medicine, Shanghai, China
- Postdoctoral Station of Clinical Medicine, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jia He
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Fang Luo
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
| | - Ming-Feng Guan
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Fei Wang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Huan Zou
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jun-Ying Wang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Qun Zhang
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Ming-Jian Xu
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
| | - Qi-Li Shi
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
| | - Li-Bing Shen
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
| | - Guo-Ming Ma
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yi Wu
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yao-Yang Zhang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China
| | - Ai-Bin Liang
- Postdoctoral Station of Clinical Medicine, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ting-Hua Wang
- Animal Center of Zoology, Institute of Neuroscience, Kunming medical University, Kunming, China
| | - Liu-Lin Xiong
- Animal Center of Zoology, Institute of Neuroscience, Kunming medical University, Kunming, China
| | - Jian Wang
- Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Jing'an District, Shanghai, China.
| | - Jun Xu
- East Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Wen-Yuan Wang
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese academy of Science, Shanghai, 200032, China.
- Department of Rehabilitation Medicine, Huashan Hospital, Fudan University, Shanghai, China.
- Animal Center of Zoology, Institute of Neuroscience, Kunming medical University, Kunming, China.
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Nucera F, Lo Bello F, Shen SS, Ruggeri P, Coppolino I, Di Stefano A, Stellato C, Casolaro V, Hansbro PM, Adcock IM, Caramori G. Role of Atypical Chemokines and Chemokine Receptors Pathways in the Pathogenesis of COPD. Curr Med Chem 2021; 28:2577-2653. [PMID: 32819230 DOI: 10.2174/0929867327999200819145327] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/11/2020] [Accepted: 06/18/2020] [Indexed: 11/22/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) represents a heightened inflammatory response in the lung generally resulting from tobacco smoking-induced recruitment and activation of inflammatory cells and/or activation of lower airway structural cells. Several mediators can modulate activation and recruitment of these cells, particularly those belonging to the chemokines (conventional and atypical) family. There is emerging evidence for complex roles of atypical chemokines and their receptors (such as high mobility group box 1 (HMGB1), antimicrobial peptides, receptor for advanced glycosylation end products (RAGE) or toll-like receptors (TLRs)) in the pathogenesis of COPD, both in the stable disease and during exacerbations. Modulators of these pathways represent potential novel therapies for COPD and many are now in preclinical development. Inhibition of only a single atypical chemokine or receptor may not block inflammatory processes because there is redundancy in this network. However, there are many animal studies that encourage studies for modulating the atypical chemokine network in COPD. Thus, few pharmaceutical companies maintain a significant interest in developing agents that target these molecules as potential antiinflammatory drugs. Antibody-based (biological) and small molecule drug (SMD)-based therapies targeting atypical chemokines and/or their receptors are mostly at the preclinical stage and their progression to clinical trials is eagerly awaited. These agents will most likely enhance our knowledge about the role of atypical chemokines in COPD pathophysiology and thereby improve COPD management.
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Affiliation(s)
- Francesco Nucera
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Federica Lo Bello
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Sj S Shen
- Faculty of Science, Centre for Inflammation, Centenary Institute, University of Technology, Ultimo, Sydney, Australia
| | - Paolo Ruggeri
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Irene Coppolino
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Antonino Di Stefano
- Division of Pneumology, Cyto- Immunopathology Laboratory of the Cardio-Respiratory System, Clinical Scientific Institutes Maugeri IRCCS, Veruno, Italy
| | - Cristiana Stellato
- Department of Medicine, Surgery and Dentistry, Salerno Medical School, University of Salerno, Salerno, Italy
| | - Vincenzo Casolaro
- Department of Medicine, Surgery and Dentistry, Salerno Medical School, University of Salerno, Salerno, Italy
| | - Phil M Hansbro
- Faculty of Science, Centre for Inflammation, Centenary Institute, University of Technology, Ultimo, Sydney, Australia
| | - Ian M Adcock
- Airway Disease Section, National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Gaetano Caramori
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
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Radnaa E, Richardson LS, Sheller-Miller S, Baljinnyam T, de Castro Silva M, Kumar Kammala A, Urrabaz-Garza R, Kechichian T, Kim S, Han A, Menon R. Extracellular vesicle mediated feto-maternal HMGB1 signaling induces preterm birth. LAB ON A CHIP 2021; 21:1956-1973. [PMID: 34008619 PMCID: PMC8162392 DOI: 10.1039/d0lc01323d] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Preterm birth (PTB; <37 weeks of gestation) impacts ∼11% of all pregnancies and contributes to 1 million neonatal deaths worldwide annually. An understanding of the feto-maternal (F-M) signals that initiate birthing (parturition) at term is critical to design strategies to prevent their premature activation, resulting in PTB. Although endocrine and immune cell signaling are well-reported, fetal-derived paracrine signals capable of transitioning quiescent uterus to an active state of labor are poorly studied. Recent reports have suggested that senescence of the fetal amnion membrane coinciding with fetal growth and maturation generates inflammatory signals capable of triggering parturition. This is by increasing the inflammatory load at the feto-maternal interface (FMi) tissues (i.e., amniochorion-decidua). High mobility group box 1 protein (HMGB1), an alarmin, is one of the inflammatory signals released by senescent amnion cells via extracellular vesicles (exosomes; 40-160 nm). Increased levels of HMGB1 in the amniotic fluid, cord and maternal blood are associated with term and PTB. This study tested the hypothesis that senescent amnion cells release HMGB1, which is fetal signaling capable of increasing FMi inflammation, predisposing them to parturition. To test this hypothesis, exosomes from amnion epithelial cells (AECs) grown under normal conditions were engineered to contain HMGB1 by electroporation (eHMGB1). eHMGB1 was characterized (quantity, size, shape, markers and loading efficiency), and its propagation through FMi was tested using a four-chamber microfluidic organ-on-a-chip device (FMi-OOC) that contained four distinct cell types (amnion and chorion mesenchymal, chorion trophoblast and decidual cells) connected through microchannels. eHMGB1 propagated through the fetal cells and matrix to the maternal decidua and increased inflammation (receptor expression [RAGE and TLR4] and cytokines). Furthermore, intra-amniotic injection of eHMGB1 (containing 10 ng) into pregnant CD-1 mice on embryonic day 17 led to PTB. Injecting carboxyfluorescein succinimidyl ester (CFSE)-labeled eHMGB1, we determined in vivo kinetics and report that eHMGB1 trafficking resulting in PTB was associated with increased FMi inflammation. This study determined that fetal exosome mediated paracrine signaling can generate inflammation and induce parturition. Besides, in vivo functional validation of FMi-OOC experiments strengthens the reliability of such devices to test physiologic and pathologic systems.
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Affiliation(s)
- Enkhtuya Radnaa
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Lauren S Richardson
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA. and Department of Electrical and Computer Engineering, Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Samantha Sheller-Miller
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Tuvshintugs Baljinnyam
- Department of Pharmacology and Toxicology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Mariana de Castro Silva
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Ananth Kumar Kammala
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Rheanna Urrabaz-Garza
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Talar Kechichian
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
| | - Sungjin Kim
- Department of Electrical and Computer Engineering, Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Arum Han
- Department of Electrical and Computer Engineering, Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Ramkumar Menon
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, 301 University Blvd., Galveston, TX 77555-1062, USA.
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Guo H, Xu N, Prell M, Königs H, Hermanns-Sachweh B, Lüscher B, Kappes F. Bacterial Growth Inhibition Screen (BGIS): harnessing recombinant protein toxicity for rapid and unbiased interrogation of protein function. FEBS Lett 2021; 595:1422-1437. [PMID: 33704777 DOI: 10.1002/1873-3468.14072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/28/2021] [Accepted: 03/02/2021] [Indexed: 12/13/2022]
Abstract
In two proof-of-concept studies, we established and validated the Bacterial Growth Inhibition Screen (BGIS), which explores recombinant protein toxicity in Escherichia coli as a largely overlooked and alternative means for basic characterization of functional eukaryotic protein domains. By applying BGIS, we identified an unrecognized RNA-interacting domain in the DEK oncoprotein (this study) and successfully combined BGIS with random mutagenesis as a screening tool for loss-of-function mutants of the DNA modulating domain of DEK [1]. Collectively, our findings shed new light on the phenomenon of recombinant protein toxicity in E. coli. Given the easy and rapid implementation and wide applicability, BGIS will extend the repertoire of basic methods for the identification, analysis and unbiased manipulation of proteins.
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Affiliation(s)
- Haihong Guo
- Institute for Biochemistry and Molecular Biology, Medical School, RWTH Aachen University, Germany
| | - Nengwei Xu
- Department of Biological Sciences, Suzhou Dushu Lake Science and Education Innovation District, Suzhou Industrial Park, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Malte Prell
- Institute for Biochemistry and Molecular Biology, Medical School, RWTH Aachen University, Germany
| | - Hiltrud Königs
- Institute of Pathology, Medical School, RWTH Aachen University, Germany
| | | | - Bernhard Lüscher
- Institute for Biochemistry and Molecular Biology, Medical School, RWTH Aachen University, Germany
| | - Ferdinand Kappes
- Institute for Biochemistry and Molecular Biology, Medical School, RWTH Aachen University, Germany
- Department of Biological Sciences, Suzhou Dushu Lake Science and Education Innovation District, Suzhou Industrial Park, Xi'an Jiaotong-Liverpool University, Suzhou, China
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Teng RJ, Jing X, Martin DP, Hogg N, Haefke A, Konduri GG, Day BW, Naylor S, Pritchard KA. N-acetyl-lysyltyrosylcysteine amide, a novel systems pharmacology agent, reduces bronchopulmonary dysplasia in hyperoxic neonatal rat pups. Free Radic Biol Med 2021; 166:73-89. [PMID: 33607217 PMCID: PMC8009865 DOI: 10.1016/j.freeradbiomed.2021.02.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 01/05/2021] [Accepted: 02/03/2021] [Indexed: 01/26/2023]
Abstract
Bronchopulmonary dysplasia (BPD) is caused primarily by oxidative stress and inflammation. To induce BPD, neonatal rat pups were raised in hyperoxic (>90% O2) environments from day one (P1) until day ten (P10) and treated with N-acetyl-lysyltyrosylcysteine amide (KYC). In vivo studies showed that KYC improved lung complexity, reduced myeloperoxidase (MPO) positive (+) myeloid cell counts, MPO protein, chlorotyrosine formation, increased endothelial cell CD31 expression, decreased 8-OH-dG and Cox-1/Cox-2, HMGB1, RAGE, TLR4, increased weight gain and improved survival in hyperoxic pups. EPR studies confirmed that MPO reaction mixtures oxidized KYC to a KYC thiyl radical. Adding recombinant HMGB1 to the MPO reaction mixture containing KYC resulted in KYC thiylation of HMGB1. In rat lung microvascular endothelial cell (RLMVEC) cultures, KYC thiylation of RLMVEC proteins was increased the most in RLMVEC cultures treated with MPO + H2O2, followed by H2O2, and then KYC alone. KYC treatment of hyperoxic pups decreased total HMGB1 in lung lysates, increased KYC thiylation of HMGB1, terminal HMGB1 thiol oxidation, decreased HMGB1 association with TLR4 and RAGE, and shifted HMGB1 in lung lysates from a non-acetylated to a lysyl-acetylated isoform, suggesting that KYC reduced lung cell death and that recruited immune cells had become the primary source of HMGB1 released into the hyperoxic lungs. MPO-dependent and independent KYC-thiylation of Keap1 were both increased in RLMVEC cultures. Treating hyperoxic pups with KYC increased KYC thiylation and S-glutathionylation of Keap1, and Nrf2 activation. These data suggest that KYC is a novel system pharmacological agent that exploits MPO to inhibit toxic oxidant production and is oxidized into a thiyl radical that inactivates HMGB1, activates Nrf2, and increases antioxidant enzyme expression to improve lung complexity and reduce BPD in hyperoxic rat pups.
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Affiliation(s)
- Ru-Jeng Teng
- Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Wauwatosa, WI, USA
| | - Xigang Jing
- Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Wauwatosa, WI, USA
| | - Dustin P Martin
- Division of Pediatric Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI, USA; ReNeuroGen LLC, Milwaukee, WI, USA
| | - Neil Hogg
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Aaron Haefke
- Division of Pediatric Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Girija G Konduri
- Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Wauwatosa, WI, USA
| | | | | | - Kirkwood A Pritchard
- Division of Pediatric Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI, USA; ReNeuroGen LLC, Milwaukee, WI, USA.
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A surfactant polymer wound dressing protects human keratinocytes from inducible necroptosis. Sci Rep 2021; 11:4357. [PMID: 33623080 PMCID: PMC7902632 DOI: 10.1038/s41598-021-82260-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023] Open
Abstract
Chronic wounds show necroptosis from which keratinocytes must be protected to enable appropriate wound re-epithelialization and closure. Poloxamers, a class of synthetic triblock copolymers, are known to be effective against plasma membrane damage (PMD). The purpose of this study is to evaluate the efficacy of a specific poloxamer, surfactant polymer dressing (SPD), which is currently used clinically as wound care dressing, against PMD in keratinocytes. Triton X-100 (TX100) at sub-lytic concentrations caused PMD as demonstrated by the efflux of calcein and by the influx of propidium iodide and FM1-43. TX100, an inducer of necroptosis, led to mitochondrial fragmentation, depletion of nuclear HMGB1, and activation of signaling complex associated with necroptosis (i.e., activation of RIP3 and phosphorylation of MLKL). All responses following exposure of human keratinocytes to TX100 were attenuated by pre- or co-treatment with SPD (100 mg/ml). The activation and translocation of phospho-MLKL to the plasma membrane, taken together with depletion of nuclear HMGB1, characterized the observed cell death as necroptosis. Thus, our findings show that TX100-induced plasma membrane damage and death by necroptosis were both attenuated by SPD, allowing keratinocyte survival. The significance of such protective effects of SPD on keratinocytes in wound re-epithelialization and closure warrant further studies.
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Elmehy DA, Ismail HI, Soliman NA, Amer BS, Elkaliny HH, El-Ebiary AA, Gamea GA. Oxidative stress mediated apoptotic potential of mefloquine on experimental trichinellosis. Acta Trop 2021; 213:105760. [PMID: 33221280 DOI: 10.1016/j.actatropica.2020.105760] [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: 02/10/2020] [Revised: 11/02/2020] [Accepted: 11/12/2020] [Indexed: 10/23/2022]
Abstract
Conventional anthelmintics such as albendazole could not achieve complete cure of trichinellosis till now. The antimalarial mefloquine mediates oxidative stress and disrupts lysosomal functions leading to cell death. Therefore, the aim of this work was to investigate the effect of mefloquine on experimental acute and chronic trichinellosis and to clarify the possible mechanisms of such effects. Mice were divided into four groups; Group I: Uninfected untreated control (20 mice); Group II: Infected untreated control (40 mice); Group III: infected and treated with albendazole (400 mg/kg) (40 mice); Group IV: infected and treated with mefloquine (300 mg/kg) (40 mice). All infected treated groups were equally subdivided into 2 subgroups; (a) treated on the 2nd day post infection (dpi) for 3 days, (b) treated on the 35th dpi for 5 days. Parasitological adults and larvae counting besides immunohistopathological examination of intestines and muscles were done. Biochemical assay of oxidant/antioxidant status, apoptotic, cytoprotective and inflammatory biomarkers in intestinal and muscle homogenates were achieved. Results showed that both albendazole and mefloquine significantly reduced adults and larvae counts with higher efficacy of albendazole in the intestinal phase and superiority of mefloquine in the muscle phase. The superiority of mefloquine was indicated by increased inflammatory immune infiltration and decreased anti-apoptotic immunohistochemical markers expression in both jejunal and muscle tissues. Biochemically, mefloquine treatment showed highly significant oxidative, apoptotic and inflammatory effects. So, our results suggest that mefloquine might be a superior treatment for chronic trichinellosis.
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Troisi M, Klein M, Smith AC, Moorhead G, Kebede Y, Huang R, Parker E, Herrada H, Wade E, Smith S, Broome P, Halsell J, Estevez L, Bell AJ. Conformation and protein interactions of intramolecular DNA and phosphorothioate four-way junctions. Exp Biol Med (Maywood) 2020; 246:707-717. [PMID: 33342281 DOI: 10.1177/1535370220973970] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The objectives of this study are to evaluate the structure and protein recognition features of branched DNA four-way junctions in an effort to explore the therapeutic potential of these molecules. The classic immobile DNA 4WJ, J1, is used as a matrix to design novel intramolecular junctions including natural and phosphorothioate bonds. Here we have inserted H2-type mini-hairpins into the helical termini of the arms of J1 to generate four novel intramolecular four-way junctions. Hairpins are inserted to reduce end fraying and effectively eliminate potential nuclease binding sites. We compare the structure and protein recognition features of J1 with four intramolecular four-way junctions: i-J1, i-J1(PS1), i-J1(PS2) and i-J1(PS3). Circular dichroism studies suggest that the secondary structure of each intramolecular 4WJ is composed predominantly of B-form helices. Thermal unfolding studies indicate that intramolecular four-way junctions are significantly more stable than J1. The Tm values of the hairpin four-way junctions are 25.2° to 32.2°C higher than the control, J1. With respect to protein recognition, gel shift assays reveal that the DNA-binding proteins HMGBb1 and HMGB1 bind the hairpin four-way junctions with affinity levels similar to control, J1. To evaluate nuclease resistance, four-way junctions are incubated with DNase I, exonuclease III (Exo III) and T5 exonuclease (T5 Exo). The enzymes probe nucleic acid cleavage that occurs non-specifically (DNase I) and in a 5'→3' (T5 Exo) and 3'→5' direction (Exo III). The nuclease digestion assays clearly show that the intramolecular four-way junctions possess significantly higher nuclease resistance than the control, J1.
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Affiliation(s)
- Maria Troisi
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Mitchell Klein
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Andrew C Smith
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Gaston Moorhead
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Yonatan Kebede
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Raymond Huang
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Elliott Parker
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Hector Herrada
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Elizabeth Wade
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Samara Smith
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Payson Broome
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Jonah Halsell
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Louis Estevez
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
| | - Anthony J Bell
- Department of Chemistry and Biochemistry, University of San Diego, San Diego, CA 92110, USA
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Expression profiles of HMGB1 on B-CLL related leukocytes contribute to prediction of relapse. Immunobiology 2020; 226:152048. [PMID: 33485134 DOI: 10.1016/j.imbio.2020.152048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/22/2020] [Accepted: 11/29/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND The High Mobility Group Box 1 (HMGB1) is a nuclear protein that is frequently overexpressed in hematologic diseases and might be of relevance in immunogenic cancer control thus correlating with patients' (pts.) prognosis in diseases such as acute myeloid, acute lymphatic and chronic lymphocytic leukemia. MATERIALS AND METHODS Expression profiles of blasts from AML (n = 21), ALL (n = 16) and of B-lymphocytes of CLL (n = 9) pts. were analyzed for surface expression of HMGB1 using flow cytometry. Expression was quantified and correlated with clinically and prognostically relevant markers. RESULTS Expression profiling of HMGB1 in blasts of AML and ALL subtypes did not show differences between primary vs. secondary disease development and gender related differences. In ALL pts. however, age groups at initial diagnosis between ≥20 vs. <20 years were compared and showed significant differences (≥20 vs. <20 years; 89% vs. 49%, p <0.05) with higher expression in higher age. In AML and CLL these differences were not visible. To evaluate the prognostic significance of HMGB1 expression, expression quantity was correlated with established and prognostic classification systems (in AML ELN, in ALL GMALL) and probability to relapse. No significant correlation was seen in these entities. However, when AML pts. were analyzed for remission rates after first anthracycline based induction therapy, in those who did not experience a complete remission significantly enhanced HMGB1 surface expression was seen (98 vs. 94%; p < 0.05; n = 20). Furthermore, for CLL it was shown that higher HMGB1 expression was found in pretreated patients with relapsed or/and refractory disease (1 vs. more relapses; 94 vs. 98%; p <0.05; n = 9). CONCLUSION HMGB1 is frequently expressed in hematologic malignancies. In this study it was shown that HMGB1 surface expression on AML blasts can be used as predictors for treatment response. In CLL it may be a marker for advanced disease. In order to implement this marker in FACS routine it could be a useful and practical tool for prognostic assessment and treatment planning.
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Li B, Peng X, Li H, Chen F, Chen Y, Zhang Y, Le K. The performance of the alarmin HMGB1 in pediatric diseases: From lab to clinic. IMMUNITY INFLAMMATION AND DISEASE 2020; 9:8-30. [PMID: 33140586 PMCID: PMC7860603 DOI: 10.1002/iid3.370] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/10/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The ubiquitously expressed nonhistone nuclear protein high-mobility group box protein 1 (HMGB1) has different functions related to posttranslational modifications and cellular localization. In the nucleus, HMGB1 modulates gene transcription, replication and DNA repair as well as determines chromosomal architecture. When the post-transcriptional modified HMGB1 is released into the extracellular space, it triggers several physiological and pathological responses and initiates innate immunity through interacting with its reciprocal receptors (i.e., TLR4/2 and RAGE). The effect of HMGB1-mediated inflammatory activation on different systems has received increasing attention. HMGB1 is now considered to be an alarmin and participates in multiple inflammation-related diseases. In addition, HMGB1 also affects the occurrence and progression of tumors. However, most studies involving HMGB1 have been focused on adults or mature animals. Due to differences in disease characteristics between children and adults, it is necessary to clarify the role of HMGB1 in pediatric diseases. METHODS AND RESULTS Through systematic database retrieval, this review aimed to first elaborate the characteristics of HMGB1 under physiological and pathological conditions and then discuss the clinical significance of HMGB1 in the pediatric diseases according to different systems. CONCLUSIONS HMGB1 plays an important role in a variety of pediatric diseases and may be used as a diagnostic biomarker and therapeutic target for new strategies for the prevention and treatment of pediatric diseases.
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Affiliation(s)
- Bo Li
- Department of Cardiology, Children's Hospital of Hebei Province Affiliated to Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xin Peng
- Department of Otolaryngology, The Affiliated Children's Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - He Li
- Department of Urology Surgery, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
| | - Fei Chen
- Department of Child Health Care, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China
| | - Yuxia Chen
- Ministry of Education Key Laboratory of Child Development and Disorders, and Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, and Rehabilitation Centre, Children's Hospital, Chongqing Medical University, Chongqing, Yuzhong, China
| | - Yingqian Zhang
- Department of Cardiology, Children's Hospital of Hebei Province Affiliated to Hebei Medical University, Shijiazhuang, Hebei, China
| | - Kai Le
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
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Yu P, Liu M, Zhang B, Yu Y, Su E, Xie S, Zhang L, Yang X, Jiang H, Chen R, Zou Y, Ge J. Cardiomyocyte-restricted high-mobility group box 1 (HMGB1) deletion leads to small heart and glycolipid metabolic disorder through GR/PGC-1α signalling. Cell Death Discov 2020; 6:106. [PMID: 33101708 PMCID: PMC7575537 DOI: 10.1038/s41420-020-00340-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/13/2020] [Accepted: 09/24/2020] [Indexed: 11/22/2022] Open
Abstract
Cardiac growth and remodelling are key biological processes influencing the physiological performance of the heart, and a previous study showed a critical role for intracellular HMGB1 in vitro. However, the in vivo study, which used conditional Hmgb1 ablation, did not show a significant effect on cellular or organic function. We have demonstrated the extracellular effect of HMGB1 as a pro-inflammatory molecule on cardiac remodelling. In this study, we found that HMGB1 deletion by cTnT-Cre in mouse hearts altered glucocorticoid receptor (GR) function and glycolipid metabolism, eventually leading to growth retardation, small heart and heart failure. The subcellular morphology did not show a significant change caused by HMGB1 knockout. The heart showed significant elevation of glycolysis, free fatty acid deposition and related enzyme changes. Transcriptomic analysis revealed a list of differentially expressed genes that coincide with glucocorticoid receptor function in neonatal mice and a significant increase in inflammatory genes in adult mice. Cardiac HMGB1 knockout led to a series of changes in PGC-1α, UCP3 and GyK, which were the cause of metabolic changes and further impacted cardiac function. Ckmm-Cre Hmgb1fl/fl mice did not show a specific phenotype, which was consistent with the reported negative result of cardiomyocyte-specific Hmgb1 deletion via MHC-Cre. We concluded that HMGB1 plays essential roles in maintaining normal cardiac growth, and different phenotype from cardiac-specific HMGB1-deficient mice may be caused by the cross with mice of different Cre strains.
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Affiliation(s)
- Peng Yu
- Department of Endocrinology and Metabolism, Fudan Institute of Metabolic Diseases, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ming Liu
- Department of General Practice, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Baoli Zhang
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Ying Yu
- Department of General Practice, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Enyong Su
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Shiyao Xie
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Lei Zhang
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Xue Yang
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Hong Jiang
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Ruizhen Chen
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Yunzeng Zou
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Diseases, Shanghai Clinical Bioinformatics Research Institute, Zhongshan Hospital, Shanghai Medical College of Fudan University, Shanghai, China
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Han H, Desert R, Das S, Song Z, Athavale D, Ge X, Nieto N. Danger signals in liver injury and restoration of homeostasis. J Hepatol 2020; 73:933-951. [PMID: 32371195 PMCID: PMC7502511 DOI: 10.1016/j.jhep.2020.04.033] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/08/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023]
Abstract
Damage-associated molecular patterns are signalling molecules involved in inflammatory responses and restoration of homeostasis. Chronic release of these molecules can also promote inflammation in the context of liver disease. Herein, we provide a comprehensive summary of the role of damage-associated molecular patterns as danger signals in liver injury. We consider the role of reactive oxygen species and reactive nitrogen species as inducers of damage-associated molecular patterns, as well as how specific damage-associated molecular patterns participate in the pathogenesis of chronic liver diseases such as alcohol-related liver disease, non-alcoholic steatohepatitis, liver fibrosis and liver cancer. In addition, we discuss the role of damage-associated molecular patterns in ischaemia reperfusion injury and liver transplantation and highlight current studies in which blockade of specific damage-associated molecular patterns has proven beneficial in humans and mice.
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Affiliation(s)
- Hui Han
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Romain Desert
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Sukanta Das
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Zhuolun Song
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Dipti Athavale
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Xiaodong Ge
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Natalia Nieto
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA; Division of Gastroenterology and Hepatology, Department of Medicine, University of Illinois at Chicago, 840 S. Wood St., Suite 1020N, MC 787, Chicago, IL 60612, USA.
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Saito Reis CA, Padron JG, Norman Ing ND, Kendal-Wright CE. High-mobility group box 1 is a driver of inflammation throughout pregnancy. Am J Reprod Immunol 2020; 85:e13328. [PMID: 32851715 DOI: 10.1111/aji.13328] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/10/2020] [Accepted: 08/18/2020] [Indexed: 12/15/2022] Open
Abstract
A proinflammatory response driven by high-mobility group box 1 (HMGB1) is important for the success of both the early stages of pregnancy and parturition initiation. However, the tight regulation of HMGB1 within these two stages is critical, as increased HMGB1 can manifest into pregnancy-related pathologies. Although during the early stages of pregnancy HMGB1 is critical for the development and implantation of the embryo, and uterine decidualization, high levels within the uterine cavity have been linked to pregnancy failure. In addition, chronic inflammation, resultant from increased HMGB1 within the maternal circulation and gestational tissues, also increases the risk for preterm labor, preterm birth, or infant mortality. Due to the link between HMGB1 and several pregnancy pathologies, the possibility of leveraging HMGB1 as a biomarker has been assessed. However, data are limited that demonstrate how known HMGB1 inhibitors could reduce inflammation within pregnancy. Thus, further research is warranted to improve our understanding of the potential of HMGB1 as a therapeutic target to reduce inflammation within pregnancy. This review aims to describe what is understood about the role of HMGB1 that drives inflammation throughout pregnancy and highlight its potential as a biomarker and therapeutic target within this context.
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Affiliation(s)
- Chelsea A Saito Reis
- Natural Science and Mathematics, Chaminade University of Honolulu, Honolulu, HI, USA
| | - Justin G Padron
- Anatomy, Biochemistry and Physiology, John A. Burns School of Medicine, University of Hawai'i at Manoā, Honolulu, HI, USA
| | - Nainoa D Norman Ing
- Natural Science and Mathematics, Chaminade University of Honolulu, Honolulu, HI, USA
| | - Claire E Kendal-Wright
- Natural Science and Mathematics, Chaminade University of Honolulu, Honolulu, HI, USA.,Anatomy, Biochemistry and Physiology, John A. Burns School of Medicine, University of Hawai'i at Manoā, Honolulu, HI, USA.,Obstetrics, Gynecology and Women's Health, John A. Burns School of Medicine, University of Hawai'I at Manoā, Honolulu, HI, USA
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50
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Dymova MA, Taskaev SY, Richter VA, Kuligina EV. Boron neutron capture therapy: Current status and future perspectives. Cancer Commun (Lond) 2020; 40:406-421. [PMID: 32805063 PMCID: PMC7494062 DOI: 10.1002/cac2.12089] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/09/2020] [Accepted: 08/09/2020] [Indexed: 12/11/2022] Open
Abstract
The development of new accelerators has given a new impetus to the development of new drugs and treatment technologies using boron neutron capture therapy (BNCT). We analyzed the current status and future directions of BNCT for cancer treatment, as well as the main issues related to its introduction. This review highlights the principles of BNCT and the key milestones in its development: new boron delivery drugs and different types of charged particle accelerators are described; several important aspects of BNCT implementation are discussed. BCNT could be used alone or in combination with chemotherapy and radiotherapy, and it is evaluated in light of the outlined issues. For the speedy implementation of BCNT in medical practice, it is necessary to develop more selective boron delivery agents and to generate an epithermal neutron beam with definite characteristics. Pharmacological companies and research laboratories should have access to accelerators for large-scale screening of new, more specific boron delivery agents.
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Affiliation(s)
- Mayya Alexandrovna Dymova
- Laboratory of BiotechnologyInstitute of Chemical Biology and Fundamental MedicineSiberian Branch of the Russian Academy of SciencesLavrentjeva Av. 8Novosibirsk630090Russia
| | - Sergey Yurjevich Taskaev
- Budker Institute of Nuclear PhysicsSiberian Branch of the Russian Academy of SciencesLavrentjeva Av. 11Novosibirsk630090Russia
- Laboratory of Boron Neutron Capture TherapyNovosibirsk State UniversityPirogova str. 1Novosibirsk630090Russia
| | - Vladimir Alexandrovich Richter
- Laboratory of BiotechnologyInstitute of Chemical Biology and Fundamental MedicineSiberian Branch of the Russian Academy of SciencesLavrentjeva Av. 8Novosibirsk630090Russia
| | - Elena Vladimirovna Kuligina
- Laboratory of BiotechnologyInstitute of Chemical Biology and Fundamental MedicineSiberian Branch of the Russian Academy of SciencesLavrentjeva Av. 8Novosibirsk630090Russia
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