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Chen Y, Wang J, An C, Bao S, Zhang C. The role and research progress of macrophages after heart transplantation. Heliyon 2024; 10:e33844. [PMID: 39027574 PMCID: PMC11255595 DOI: 10.1016/j.heliyon.2024.e33844] [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: 02/25/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/20/2024] Open
Abstract
Since the 60s of the 20th century, heart transplantation has been the best treatment for patients with end-stage heart failure. Due to the increasing number of patients, how to expand the number of donor organs and enhance immune compatibility has become an urgent problem to be solved at this stage. Although current immunosuppression is effective, its side effects are also quite obvious, such as opportunistic infections and malignant tumors. In this review, we focus on the important role in macrophages after heart transplantation and their potential targets for achieving allogeneic graft tolerance, in order to improve effective graft survival and reduce infection and the occurrence of malignant tumors.
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Affiliation(s)
- Yao Chen
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - JianPeng Wang
- School of First Clinical Medical College, Anhui Medical University, Hefei, China
| | - Cheng An
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - ShanQing Bao
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - ChengXin Zhang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
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An C, Li Z, Chen Y, Huang S, Yang F, Hu Y, Xu T, Zhang C, Ge S. The cGAS-STING pathway in cardiovascular diseases: from basic research to clinical perspectives. Cell Biosci 2024; 14:58. [PMID: 38720328 PMCID: PMC11080250 DOI: 10.1186/s13578-024-01242-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 04/29/2024] [Indexed: 05/12/2024] Open
Abstract
The cyclic guanosine monophosphate (GMP)-adenosine monophosphate (AMP) synthase-stimulator of interferon genes (cGAS-STING) signaling pathway, an important component of the innate immune system, is involved in the development of several diseases. Ectopic DNA-induced inflammatory responses are involved in several pathological processes. Repeated damage to tissues and metabolic organelles releases a large number of damage-associated molecular patterns (mitochondrial DNA, nuclear DNA, and exogenous DNA). The DNA fragments released into the cytoplasm are sensed by the sensor cGAS to initiate immune responses through the bridging protein STING. Many recent studies have revealed a regulatory role of the cGAS-STING signaling pathway in cardiovascular diseases (CVDs) such as myocardial infarction, heart failure, atherosclerosis, and aortic dissection/aneurysm. Furthermore, increasing evidence suggests that inhibiting the cGAS-STING signaling pathway can significantly inhibit myocardial hypertrophy and inflammatory cell infiltration. Therefore, this review is intended to identify risk factors for activating the cGAS-STING pathway to reduce risks and to simultaneously further elucidate the biological function of this pathway in the cardiovascular field, as well as its potential as a therapeutic target.
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Affiliation(s)
- Cheng An
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230032, Anhui, China
| | - Zhen Li
- Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yao Chen
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230032, Anhui, China
| | - Shaojun Huang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230032, Anhui, China
| | - Fan Yang
- Department of Ophthalmology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Ying Hu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Tao Xu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, Anhui, China
| | - Chengxin Zhang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230032, Anhui, China.
| | - Shenglin Ge
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230032, Anhui, China.
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Tran DT, Batchu SN, Advani A. Interferons and interferon-related pathways in heart disease. Front Cardiovasc Med 2024; 11:1357343. [PMID: 38665231 PMCID: PMC11043610 DOI: 10.3389/fcvm.2024.1357343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 04/01/2024] [Indexed: 04/28/2024] Open
Abstract
Interferons (IFNs) and IFN-related pathways play key roles in the defence against microbial infection. However, these processes may also be activated during the pathogenesis of non-infectious diseases, where they may contribute to organ injury, or function in a compensatory manner. In this review, we explore the roles of IFNs and IFN-related pathways in heart disease. We consider the cardiac effects of type I IFNs and IFN-stimulated genes (ISGs); the emerging role of the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway; the seemingly paradoxical effects of the type II IFN, IFN-γ; and the varied actions of the interferon regulatory factor (IRF) family of transcription factors. Recombinant IFNs and small molecule inhibitors of mediators of IFN receptor signaling are already employed in the clinic for the treatment of some autoimmune diseases, infections, and cancers. There has also been renewed interest in IFNs and IFN-related pathways because of their involvement in SARS-CoV-2 infection, and because of the relatively recent emergence of cGAS-STING as a pattern recognition receptor-activated pathway. Whether these advances will ultimately result in improvements in the care of those experiencing heart disease remains to be determined.
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Affiliation(s)
| | | | - Andrew Advani
- Keenan Research Centre for Biomedical Science and Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, ON, Canada
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Wang L, Cai Z, Gu Q, Xu C. cGAS Deficiency Regulates the Phenotypic Polarization and Glycolysis of Microglia Through Lactylation in Hypoxic-Ischemic Encephalopathy Cell Model. Biochem Genet 2024:10.1007/s10528-023-10631-2. [PMID: 38246965 DOI: 10.1007/s10528-023-10631-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 12/12/2023] [Indexed: 01/23/2024]
Abstract
Promoting the M2 phenotype polarization of microglia is of great significance in alleviating hypoxic-ischemic encephalopathy (HIE). The umbilical artery blood sample was collected to evaluate the expression of cGAS, and the aberrant expressed cGAS was verified in the oxygen glucose deprivation (OGD) microglia which was established to mimic HIE in vitro. Then the regulating role of cGAS on the transformation of microglia M2 phenotype polarization and glycolysis was investigated. Moreover, the lactylation of cGAS in OGD treated microglia was evaluated by western blot. cGAS was found to be highly expressed in umbilical artery blood of HIE group, and OGD treated microglia. OGD interference activated microglia into M1 phenotype by enhancing CD86 and suppressing CD206 levels; meanwhile, the microglia in OGD group highly expressed IL-1β, iNOS and TNF-α, and lowly expressed IL-4, IL-10, and Arg-1. Inhibition of cGAS promotes the transformation of microglia from M1 to M2 phenotype. Meanwhile, OGD increased ECAR and decreased OCR to regulate glycolysis, cGAS deficiency inhibits glycolysis in OGD treated microglia. Moreover, the pan lysine lactylation (Pan-Kla) levels and lactated cGAS levels in microglia were upregulated in the OGD group. Lactate reversed the effects of cGAS knockdown on microglia polarization and glycolysis. The present study reveals that the cGAS-mediated neuron injury is associated with high level of cGAS lactylation. Inhibition of cGAS promotes the M2 phenotype polarization of microglia and suppress glycolysis. Thereby, targeting cGAS provides a new strategy for the development of therapeutic agents against HIE.
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Affiliation(s)
- Lisheng Wang
- Department of Pediatrics, Funing County People's Hospital, No.111, Fucheng Street, Funing County, Yancheng, 224400, China
| | - Zhonghua Cai
- Department of Pediatrics, Funing County People's Hospital, No.111, Fucheng Street, Funing County, Yancheng, 224400, China
| | - Qi Gu
- Department of Pediatrics, Funing County People's Hospital, No.111, Fucheng Street, Funing County, Yancheng, 224400, China
| | - Changli Xu
- Department of Pediatrics, Funing County People's Hospital, No.111, Fucheng Street, Funing County, Yancheng, 224400, China.
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Lei I, Tang PC. Commentary: Draining the cyclic GMP-AMP synthase from immunity, advancing heart transplant surgery through a translational science approach. J Thorac Cardiovasc Surg 2023; 166:e428-e429. [PMID: 36933788 PMCID: PMC10504408 DOI: 10.1016/j.jtcvs.2023.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/20/2023]
Affiliation(s)
- Ienglam Lei
- Department of Cardiac Surgery, Frankel Cardiovascular Center, University of Michigan-Ann Arbor, Ann Arbor, Mich.
| | - Paul C Tang
- Department of Cardiac Surgery, Frankel Cardiovascular Center, University of Michigan-Ann Arbor, Ann Arbor, Mich
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Chen Z, Liu Y, Lin Z, Huang W. cGAS-STING pathway in ischemia-reperfusion injury: a potential target to improve transplantation outcomes. Front Immunol 2023; 14:1231057. [PMID: 37809088 PMCID: PMC10552181 DOI: 10.3389/fimmu.2023.1231057] [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: 05/30/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Transplantation is an important life-saving therapeutic choice for patients with organ or tissue failure once all other treatment options are exhausted. However, most allografts become damaged over an extended period, and post-transplantation survival is limited. Ischemia reperfusion injury (IRI) tends to be associated with a poor prognosis; resultant severe primary graft dysfunction is the main cause of transplant failure. Targeting the cGAS-STING pathway has recently been shown to be an effective approach for improving transplantation outcomes, when activated or inhibited cGAS-STING pathway, IRI can be alleviated by regulating inflammatory response and programmed cell death. Thus, continuing efforts to develop selective agonists and antagonists may bring great hopes to post-transplant patient. In this mini-review, we reviewed the role of the cGAS-STING pathway in transplantation, and summarized the crosstalk between this pathway and inflammatory response and programmed cell death during IRI, aiming to provide novel insights into the development of therapies to improve patient outcome after transplantation.
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Affiliation(s)
| | | | | | - Weizhe Huang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, China
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