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Malik JA, Zafar MA, Singh S, Nanda S, Bashir H, Das DK, Lamba T, Khan MA, Kaur G, Agrewala JN. From defense to dysfunction: Autophagy's dual role in disease pathophysiology. Eur J Pharmacol 2024; 981:176856. [PMID: 39068979 DOI: 10.1016/j.ejphar.2024.176856] [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: 06/15/2024] [Revised: 07/16/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Autophagy is a fundamental pillar of cellular resilience, indispensable for maintaining cellular health and vitality. It coordinates the meticulous breakdown of cytoplasmic macromolecules as a guardian of cell metabolism, genomic integrity, and survival. In the complex play of biological warfare, autophagy emerges as a firm defender, bravely confronting various pathogenic, infectious, and cancerous adversaries. Nevertheless, its role transcends mere defense, wielding both protective and harmful effects in the complex landscape of disease pathogenesis. From the onslaught of infectious outbreaks to the devious progression of chronic lifestyle disorders, autophagy emerges as a central protagonist, convolutedly shaping the trajectory of cellular health and disease progression. In this article, we embark on a journey into the complicated web of molecular and immunological mechanisms that govern autophagy's profound influence over disease. Our focus sharpens on dissecting the impact of various autophagy-associated proteins on the kaleidoscope of immune responses, spanning the spectrum from infectious outbreaks to chronic lifestyle ailments. Through this voyage of discovery, we unveil the vast potential of autophagy as a therapeutic linchpin, offering tantalizing prospects for targeted interventions and innovative treatment modalities that promise to transform the landscape of disease management.
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Affiliation(s)
- Jonaid Ahmad Malik
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Mohammad Adeel Zafar
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India; Division of Immunology, Boston Children's Hospital Harvard Medical School Boston, MA, 02115, USA; Department of Pediatrics, Harvard Medical School Boston, MA, 02115, USA
| | - Sanpreet Singh
- Immunology Laboratory, Institute of Microbial Technology, Chandigarh, 160016, India; Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
| | - Sidhanta Nanda
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Hilal Bashir
- Immunology Laboratory, Institute of Microbial Technology, Chandigarh, 160016, India
| | - Deepjyoti Kumar Das
- Immunology Laboratory, Institute of Microbial Technology, Chandigarh, 160016, India
| | - Taruna Lamba
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Mohammad Affan Khan
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India
| | - Gurpreet Kaur
- Department of Biotechnology, Chandigarh Group of Colleges, Landran, Mohali, Punjab, 140055, India
| | - Javed N Agrewala
- Immunology Laboratory, Department of Biomedical Engineering, Indian Institute of Technology Ropar, Rupnagar, 140001, India.
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Wang A, Zhong G, Ying M, Fang Z, Chen Y, Wang H, Wang C, Liu C, Guo Y. Inhibition of NLRP3 inflammasome ameliorates LPS-induced neuroinflammatory injury in mice via PINK1/Parkin pathway. Neuropharmacology 2024; 257:110063. [PMID: 38972372 DOI: 10.1016/j.neuropharm.2024.110063] [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: 05/15/2024] [Revised: 07/04/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
Parkinson's disease (PD) is characterized by the severe loss of dopaminergic neurons in the substantia nigra pars compacta, leading to motor dysfunction. The onset of PD is often accompanied by neuroinflammation and α-Synuclein aggregation, and extensive research has focused on the activation of microglial NLRP3 inflammasomes in PD, which promotes the death of dopaminergic neurons. In this study, a model of cerebral inflammatory response was constructed in wild-type and Parkin+/- mice through bilateral intraventricular injection of LPS. LPS-induced activation of the NLRP3 inflammasome in wild-type mice promotes the progression of PD. The use of MCC950 in wild mice injected with LPS induces activation of Parkin/PINK and improves autophagy, which in turn improves mitochondrial turnover. It also inhibits LPS-induced inflammatory responses, improves motor function, protects dopaminergic neurons, and inhibits microglia activation. Furthermore, Parkin+/- mice exhibited motor dysfunction, loss of dopaminergic neurons, activation of the NLRP3 inflammasome, and α-Synuclein aggregation beginning at an early age. Parkin ± mice exhibited more pronounced microglia activation, greater NLRP3 inflammasome activation, more severe autophagy dysfunction, and more pronounced motor dysfunction after LPS injection compared to wild-type mice. Notably, the use of MCC950 in Parkin ± mice did not ameliorate NLRP3 inflammasome activation, autophagy dysfunction, or α-synuclein aggregation. Thus, MCC950 can only exert its effects in the presence of Parkin/PINK1, and targeting Parkin-mediated NLRP3 inflammasome activation is expected to be a potential therapeutic strategy for Parkinson's disease.
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Affiliation(s)
- Ao Wang
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Guangshang Zhong
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Mengjiao Ying
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Life Sciences, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Zhuling Fang
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Ying Chen
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Life Sciences, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Haojie Wang
- School of Clinical Medicine, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Chunjing Wang
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Life Sciences, Bengbu Medical University, Bengbu, 233000, Anhui, China
| | - Changqing Liu
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Life Sciences, Bengbu Medical University, Bengbu, 233000, Anhui, China.
| | - Yu Guo
- Anhui Engineering Research Center for Neural Regeneration Technology and Medical New Materials, Bengbu Medical University, Bengbu, 233000, China; School of Laboratory Medicine, Bengbu Medical University, Bengbu, 233000, Anhui, China.
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Yang X, Li J, Xu C, Zhang G, Che X, Yang J. Potential mechanisms of rheumatoid arthritis therapy: Focus on macrophage polarization. Int Immunopharmacol 2024; 142:113058. [PMID: 39236455 DOI: 10.1016/j.intimp.2024.113058] [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: 07/18/2024] [Revised: 08/29/2024] [Accepted: 08/30/2024] [Indexed: 09/07/2024]
Abstract
Rheumatoid arthritis (RA) is an autoimmune inflammatory disease that affects multiple organs and systems in the human body, often leading to disability. Its pathogenesis is complex, and the long-term use of traditional anti-rheumatic drugs frequently results in severe toxic side effects. Therefore, the search for a safer and more effective antirheumatic drug is extremely important for the treatment of RA. As important immune cells in the body, macrophages are polarized. Under pathological conditions, macrophages undergo proliferation and are recruited to diseased tissues upon stimulation. In the local microenvironment, they polarize into different types of macrophages in response to specific factors and perform unique functions and roles. Previous studies have shown that there is a link between macrophage polarization and RA, indicating that certain active ingredients can ameliorate RA symptoms through macrophage polarization. Notably, Traditional Chinese medicine (TCM) monomer component and compounds demonstrate a particular advantage in this process. Building upon this insight, we reviewed and analyzed recent studies to offer valuable and meaningful insights and directions for the development and application of anti-rheumatic drugs.
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Affiliation(s)
- Xinyu Yang
- College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jinling Li
- College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chengchao Xu
- College of Rehabilitation Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guangheng Zhang
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xinzhen Che
- Department of First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jiguo Yang
- College of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, China.
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Ji Z, Guo J, Zhang R, Zuo W, Xu Y, Qu Y, Tao Z, Li X, Li Y, Yao Y, Ma G. ADAM8 deficiency in macrophages promotes cardiac repair after myocardial infarction via ANXA2-mTOR-autophagy pathway. J Adv Res 2024:S2090-1232(24)00322-9. [PMID: 39097092 DOI: 10.1016/j.jare.2024.07.037] [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: 05/25/2024] [Revised: 07/24/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024] Open
Abstract
INTRODUCTION A disintegrin and metalloproteinase 8 (ADAM8), a crucial regulator in macrophages, is closely associated with cardiovascular disease progression. OBJECTIVES This study aimed to explore how ADAM8 regulates macrophage function to inhibit cardiac repair after myocardial infarction (MI). METHODS Macrophage-specific ADAM8 knockout mice (ADAM8flox/flox, Lyz2-Cre, KO) and corresponding control mice (ADAM8flox/flox, Flox) were established using the CRISPR/Cas9 system. Bone marrow transplantation was performed, and macrophage-specific ADAM8-overexpressing adeno-associated virus (AAV6-CD68-Adam8) was produced. Finally, proteomics, RNA sequencing, and co-immunoprecipitation/mass spectrometry (COIP/MS) were used to explore the underlying mechanisms involved. RESULTS ADAM8 was highly expressed in the plasma of patients with acute myocardial infarction (AMI) and in cardiac macrophages derived from AMI mice. ADAM8 KO mice exhibited enhanced angiogenesis, suppressed inflammation, reduced cardiac fibrosis, and improved cardiac function during AMI, which were reversed by overexpressing macrophage-specific ADAM8 and intervention with the clinical anti-angiogenic biologic bevacizumab. Bone marrow transplantation experiments produced ADAM8 KO phenotypes. RNA sequencing showed that autophagy was activated in bone marrow-derived macrophages (BMDMs) with ADAM8 KO, which was confirmed via p-mTOR Ser2448/mTOR, p62, and LC3II/I detection. Autophagy inactivation suppressed angiogenic factor release and promoted inflammation in BMDMs with ADAM8 KO. Mechanistically, ADAM8 could bind to ANXA2 and promote phosphorylation of the ANXA2 Ser26 site. ADAM8 KO impeded ANXA2 phosphorylation, inhibited mTOR Ser2448 site phosphorylation, and activated autophagy, which were demonstrated using the activation or inactivation of ANXA2 phosphorylation. CONCLUSIONS ADAM8 was increased in cardiac macrophages after AMI. The ADAM8-ANXA2-mTOR-autophagy axis in macrophages is responsible for regulating angiogenesis and inflammation following MI. Thus, ADAM8 may be a new target in MI treatment.
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Affiliation(s)
- Zhenjun Ji
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Jiaqi Guo
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Rui Zhang
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Wenjie Zuo
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, 330008, Jiangxi, China
| | - Yang Xu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yangyang Qu
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Zaixiao Tao
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Xinxin Li
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yongjun Li
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yuyu Yao
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China
| | - Genshan Ma
- Department of Cardiology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu, China.
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Li MY, Shen HH, Cao XY, Gao XX, Xu FY, Ha SY, Sun JS, Liu SP, Xie F, Li MQ. Targeting a mTOR/autophagy axis: a double-edged sword of rapamycin in spontaneous miscarriage. Biomed Pharmacother 2024; 177:116976. [PMID: 38906022 DOI: 10.1016/j.biopha.2024.116976] [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: 03/29/2024] [Revised: 06/02/2024] [Accepted: 06/15/2024] [Indexed: 06/23/2024] Open
Abstract
Immune dysfunction is a primary culprit behind spontaneous miscarriage (SM). To address this, immunosuppressive agents have emerged as a novel class of tocolytic drugs, modulating the maternal immune system's tolerance towards the embryo. Rapamycin (PubChem CID:5284616), a dual-purpose compound, functions as an immunosuppressive agent and triggers autophagy by targeting the mTOR pathway. Its efficacy in treating SM has garnered significant research interest in recent times. Autophagy, the cellular process of self-degradation and recycling, plays a pivotal role in numerous health conditions. Research indicates that autophagy is integral to endometrial decidualization, trophoblast invasion, and the proper functioning of decidual immune cells during a healthy pregnancy. Yet, in cases of SM, there is a dysregulation of the mTOR/autophagy axis in decidual stromal cells or immune cells at the maternal-fetal interface. Both in vitro and in vivo studies have highlighted the potential benefits of low-dose rapamycin in managing SM. However, given mTOR's critical role in energy metabolism, inhibiting it could potentially harm the pregnancy. Moreover, while low-dose rapamycin has been deemed safe for treating recurrent implant failure, its potential teratogenic effects remain uncertain due to insufficient data. In summary, rapamycin represents a double-edged sword in the treatment of SM, balancing its impact on autophagy and immune regulation. Further investigation is warranted to fully understand its implications.
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Affiliation(s)
- Meng-Ying Li
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Hui-Hui Shen
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Xiao-Yan Cao
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Xiao-Xiao Gao
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai 201508, People's Republic of China
| | - Feng-Yuan Xu
- Department of Bioengineering, University of Illinois Urbana-Champaign, Urbana, IL 61801, United States
| | - Si-Yao Ha
- Department of Obstetrics and Gynecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510235, China
| | - Jian-Song Sun
- School of Life Science and Health Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Song-Ping Liu
- Department of Obstetrics and Gynecology, Jinshan Hospital, Fudan University, Shanghai 201508, People's Republic of China.
| | - Feng Xie
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200080, People's Republic of China.
| | - Ming-Qing Li
- Institute of Obstetrics and Gynecology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China; Department of Gynecologic Endocrinology and Reproductive Immunology, The International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, People's Republic of China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, People's Republic of China.
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Yu T, Wei Q, Tang Y, Cai L, Chen B, Yang M. A novel long non-coding RNA linc-93.2 participates in bisphenol induced oxidative stress and macrophage polarization in red common carp (Cyprinus carpio). FISH & SHELLFISH IMMUNOLOGY 2024; 151:109716. [PMID: 38909636 DOI: 10.1016/j.fsi.2024.109716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024]
Abstract
Previous studies show that bisphenol A (BPA) and its analogs induce oxidative stress and promote inflammatory response. However, the key molecules in regulating this process remain unclear. Here, we report significant inductive effects of BPA and bisphenol AF (BPAF) on a newly found long non-coding RNA linc-93.2 accompanied by oxidative stress and activation of pro-inflammatory pathways in treated fish and fish primary macrophages. Silencing linc-93.2 in fish primary macrophages in vitro or fish in vivo significantly promotes the expression of anti-oxidative stress-related genes and anti-inflammatory cytokines. This inhibition of pro-inflammatory cytokine expression, showing cell status disruption towards to M2 polarization. Followed by exposure to BPA or BPAF, silencing linc-93.2 in vitro or in vivo significantly attenuates the increased production of reactive oxygen species and malondialdehyde level aroused by bisphenol treatment, possibly owing to the enhancement of total antioxidant capacity observed in cells and tissue after linc-93.2 knockdown. RNA-sequencing further revealed regulation of nuclear factor-kappa b (NF-κB) in linc-93.2's downstream network, combining with our previous observation on the upstream regulation of linc-93.2 via NF-κB, which together suggest a critical role of linc-93.2 in promoting NF-κB positive feedback loop that may be an important molecular event initiating the immunotoxicity of bisphenols.
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Affiliation(s)
- Ting Yu
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China; Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
| | - Qing Wei
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yiran Tang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Ling Cai
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China.
| | - Bei Chen
- Fisheries Research Institute of Fujian, Key Laboratory of Cultivation and High-Value Utilization of Marine Organisms in Fujian Province, Xiamen, 361013, China
| | - Ming Yang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
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Liu T, Chen D, Tang S, Zou Z, Yang F, Zhang Y, Wang D, Lu H, Liao G, Liu X. P53 Alleviates the Progression of Periodontitis by Reducing M1-type Macrophage Differentiation. Inflammation 2024; 47:1170-1184. [PMID: 38319542 PMCID: PMC11343802 DOI: 10.1007/s10753-024-01968-w] [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: 09/30/2023] [Revised: 12/11/2023] [Accepted: 01/05/2024] [Indexed: 02/07/2024]
Abstract
Our objective is to explore the effect of P53 on the progression of periodontitis by regulating macrophages differentiation both in vitro and in vivo. Eighteen normal and periodontitis gingival tissues were collected for detecting P53 expression and macrophages infiltration by immunofluorescence, real-time PCR (qPCR) and western-blot. The differentiation and the inflammatory cytokines (TNF-α and IL-6) expression of THP-1, RAW264.7 and bone marrow derived macrophage (BMDM) cells, treating with Pifithrin-α (P53 inhibitor) or Nutlin-3a (P53 activator) under lipopolysaccharide (LPS) stimulation, were observed by flow cytometry, qPCR and ELISA. The severity of periodontitis, inflammatory cytokines expression and macrophages infiltration were measured in experimental periodontitis wild-type mice and p53 gene conditional knocked-out (p53-CKO) mice, which were established by ligation and LPS injection. A higher number of P53-positive macrophages was found infiltrated in periodontitis tissues. In vitro experiments showed that compared with Nutlin-3a, the proportion of M1-type macrophages and the expression of TNF-α and IL-6 were higher in Pifithrin-α treated cells under LPS stimulation. In vivo experimental periodontitis mice, the Pifithrin-α intraperitoneal injection group showed greater alveolar bone loss, higher levels of TNF-α and IL-6 secretion and more M1-type macrophages infiltration, while the Nutlin-3a intraperitoneal injection group were observed mild symptoms compared with mice in the periodontitis group. P53-CKO mice exhibited more severe periodontitis and more M1-type macrophages infiltrated in local tissues compared with wild-type mice. The activation of p53 gene could alleviate periodontitis by reducing M1-type macrophage polarization. P53 may serve as keeper in the progression of periodontitis, providing new insights into periodontitis treatment.
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Affiliation(s)
- Tingting Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Dongru Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Shanshan Tang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Zhaolei Zou
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Fangyi Yang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yutian Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Dikan Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Huanzi Lu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Guiqing Liao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China.
| | - Xiangqi Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China.
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China.
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Wang Y, Wu L, Van Kaer L. Role of canonical and noncanonical autophagy pathways in shaping the life journey of B cells. Front Immunol 2024; 15:1426204. [PMID: 39139569 PMCID: PMC11319164 DOI: 10.3389/fimmu.2024.1426204] [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: 04/30/2024] [Accepted: 07/16/2024] [Indexed: 08/15/2024] Open
Abstract
Autophagy is a regulated intracellular catabolic process by which invading pathogens, damaged organelles, aggregated proteins, and other macromolecules are degraded in lysosomes. It has been widely appreciated that autophagic activity plays an important role in regulating the development, fate determination, and function of cells in the immune system, including B lymphocytes. Autophagy encompasses several distinct pathways that have been linked to B cell homeostasis and function. While B cell presentation of major histocompatibility complex (MHC) class II-restricted cytosolic antigens to T cells involves both macroautophagy and chaperone-mediated autophagy (CMA), plasma cells and memory B cells mainly rely on macroautophagy for their survival. Emerging evidence indicates that core autophagy factors also participate in processes related to yet clearly distinct from classical autophagy. These autophagy-related pathways, referred to as noncanonical autophagy or conjugation of ATG8 to single membranes (CASM), contribute to B cell homeostasis and functions, including MHC class II-restricted antigen presentation to T cells, germinal center formation, plasma cell differentiation, and recall responses. Dysregulation of B cell autophagy has been identified in several autoimmune and autoinflammatory diseases such as systemic lupus erythematosus, rheumatoid arthritis, and inflammatory bowel disease. In this review, we discuss recent advances in understanding the role of canonical and noncanonical autophagy in B cells, including B cell development and maturation, antigen processing and presentation, pathogen-specific antibody responses, cytokine secretion, and autoimmunity. Unraveling the molecular mechanisms of canonical and noncanonical autophagy in B cells will improve our understanding of B cell biology, with implications for the development of autophagy-based immunotherapies.
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Affiliation(s)
| | | | - Luc Van Kaer
- Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, TN, United States
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Li T, Zhang L. Autophagy-related biomarkers in hepatocellular carcinoma and their relationship with immune infiltration. Discov Oncol 2024; 15:299. [PMID: 39042294 PMCID: PMC11266335 DOI: 10.1007/s12672-024-01167-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 07/16/2024] [Indexed: 07/24/2024] Open
Abstract
BACKGROUND Autophagy regulation plays vital roles in many cancers. We aimed to investigate the expression, prognostic value, and immune infiltration of autophagy-related genes in hepatocellular carcinoma (HCC) by bioinformatics analysis. METHOD Human autophagy-related differentially expressed genes (DEGs) between adjacent and HCC tissues were identified. We performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. We also evaluated immune infiltration and the response to tumor-sensitive drugs. Finally, we verified the expression of these proteins in clinical samples by immunohistochemistry (IHC), RNA isolation and real-time reverse transcription polymerase chain reaction (RT‒PCR). RESULTS A total of 57 autophagy-related DEGs were identified. The HUB genes (BIRC5, CDKN2A, SPP1, and IGF1) were related to the diagnosis and prognosis of HCC. The HUB genes were significantly enriched in immune-related pathways. Furthermore, correlation analysis revealed that HUB gene expression was associated with immune infiltration. We identified 35 tumor-sensitive drugs targeting the HUB genes. Finally, by IHC, we discovered that the protein of CDKN2A, BIRC5, and SPP1 were upregulated in HCC tissues, while IGF1 was downregulated in HCC tissues compared with the levels in paracarcinoma tissues; by RT‒PCR, we discovered that the mRNA of CDKN2A, BIRC5, and SPP1 were upregulated in HCC tissues, while the mRNA of IGF1 was downregulated in HCC tissues compared with the levels in paracarcinoma tissues. CONCLUSION We screened and validated four autophagy-related genes associated with immune infiltration and prognosis in patients with HCC.
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Affiliation(s)
- Tingting Li
- Clinical Laboratory Department, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lin Zhang
- Clinical Laboratory Department, the Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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Bai L, Li Y, Lu C, Yang Y, Zhang J, Lu Z, Huang K, Xian S, Yang X, Na N, Huang F, Zeng Z. Anti-IL-17 Inhibits PINK1/Parkin Autophagy and M1 Macrophage Polarization in Rheumatic Heart Disease. Inflammation 2024:10.1007/s10753-024-02094-3. [PMID: 38977539 DOI: 10.1007/s10753-024-02094-3] [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: 04/13/2024] [Revised: 06/14/2024] [Accepted: 06/27/2024] [Indexed: 07/10/2024]
Abstract
Rheumatic heart disease (RHD) is an important and preventable cause of cardiovascular death and disability, but the lack of clarity about its exact mechanisms makes it more difficult to find alternative methods or prevention and treatment. We previously demonstrated that increased IL-17 expression plays a crucial role in the development of RHD-related valvular inflammatory injury. Macrophage autophagy/polarization may be a pro-survival strategy in the initiation and resolution of the inflammatory process. This study investigated the mechanism by which IL-17 regulates autophagy/polarization activation in macrophages. A RHD rat model was generated, and the effects of anti-IL-17 and 3-methyladenine (3-MA) were analyzed. The molecular mechanisms underlying IL-17-induced macrophage autophagy/polarization were investigated via in vitro experiments. In our established RHD rat model, the activation of the macrophage PINK1/Parkin autophagic pathway in valve tissue was accompanied by M1 macrophage infiltration, and anti-IL-17 treatment inhibited autophagy and reversed macrophage inflammatory infiltration, thereby attenuating endothelial-mesenchymal transition (EndMT) in the valve tissue. The efficacy of 3-MA treatment was similar to that of anti-IL-17 treatment. Furthermore, in THP-1 cells, the pharmacological promotion of autophagy by IL-17 induced M1-type polarization, whereas the inhibition of autophagy by 3-MA reversed this process. Mechanistically, silencing PINK1 in THP-1 blocked autophagic flux. Moreover, IL-17-induced M1-polarized macrophages promoted EndMT in HUVECs. This study revealed that IL-17 plays an important role in EndMT in RHD via the PINK1/Parkin autophagic pathway and macrophage polarization, providing a potential therapeutic target.
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Affiliation(s)
- Ling Bai
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Yuan Li
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Chuanghong Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Yiping Yang
- Department of Research, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
| | - Jie Zhang
- Emergency Office, Nanning Center for Disease Control and Prevention, Nanning , Guangxi, China
| | - Zirong Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Keke Huang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Shenglin Xian
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
| | - Xi Yang
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Na Na
- Department of Neuroscience, The Scripps Research Institute, La Jolla, USA
| | - Feng Huang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China.
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China.
| | - Zhiyu Zeng
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Shuang Yong Road 6, Nanning, 530021, Guangxi, China.
- Guangxi Key Laboratory Base of Precision Medicine in Cardio-Cerebrovascular Diseases Control and Prevention, Guangxi Clinical Research Center for Cardio-Cerebrovascular Diseases, Nanning, Guangxi, China.
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11
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Yao Y, Liu X, Niu X, Li Y, Han L. Lycopene Regulates Macrophage Immune Response through the Autophagy Pathway Mediated by RIPK1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:14747-14759. [PMID: 38889306 DOI: 10.1021/acs.jafc.4c02531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
The effects of lycopene (LP) on macrophage immune responses were evaluated in this study. Compared with the control treatment, LP treatment significantly increased cell vitality, phagocytic activity, and chemokine production in RAW264.7 cells. Additionally, compared with the control treatment, 4 μM LP treatment significantly activated autophagy, enhanced mitochondrial membrane potential, and upregulated receptor-interacting protein kinase 1 (RIPK1), while necrostatin-1 significantly reversed these effects of LP. Furthermore, compared with that in the control group, RIPK1 was significantly upregulated in the 4 μM LP and 4 μM LP + spautin-1 groups, whereas p-mTOR levels were reduced. More importantly, compared with that in the control group, p62 was significantly downregulated, and Beclin1, LC3-II, and Atg7 were upregulated in the 4 μM LP group, while spautin-1 significantly reversed these effects of LP. These results confirm that LP activates the mTOR/Beclin1/LC3/p62 autophagy signaling pathway through RIPK1, thereby enhancing the immune response of macrophages.
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Affiliation(s)
- Yupei Yao
- Hebei Key Laboratory of Public Health Safety, Ministry of Education & College of Public Health, Hebei University, Baoding 071002, China
| | - Xiaoran Liu
- Hebei Key Laboratory of Public Health Safety, Ministry of Education & College of Public Health, Hebei University, Baoding 071002, China
| | - Xiaoyan Niu
- Hebei Key Laboratory of Public Health Safety, Ministry of Education & College of Public Health, Hebei University, Baoding 071002, China
| | - Yaping Li
- Hebei Key Laboratory of Public Health Safety, Ministry of Education & College of Public Health, Hebei University, Baoding 071002, China
| | - Lirong Han
- Hebei Key Laboratory of Public Health Safety, Ministry of Education & College of Public Health, Hebei University, Baoding 071002, China
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12
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Ponticelli C, Reggiani F, Moroni G. Autophagy: A Silent Protagonist in Kidney Transplantation. Transplantation 2024; 108:1532-1541. [PMID: 37953477 DOI: 10.1097/tp.0000000000004862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Autophagy is a lysosome-dependent regulated mechanism that recycles unnecessary cytoplasmic components. It is now known that autophagy dysfunction may have a pathogenic role in several human diseases and conditions, including kidney transplantation. Both defective and excessive autophagy may induce or aggravate several complications of kidney transplantation, such as ischemia-reperfusion injury, alloimmune response, and immunosuppressive treatment and side effects. Although it is still complicated to measure autophagy levels in clinical practice, more attention should be paid to the factors that may influence autophagy. In kidney transplantation, the association of low doses of a mammalian target of rapamycin inhibitor with low doses of a calcineurin inhibitor may be of benefit for autophagy modulation. However, further studies are needed to explore the role of other autophagy regulators.
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Affiliation(s)
| | - Francesco Reggiani
- Nephrology and Dialysis Unit, IRCCS Humanitas Research Hospital, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Gabriella Moroni
- Nephrology and Dialysis Unit, IRCCS Humanitas Research Hospital, Milan, Italy
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13
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Qing F, Sui L, He W, Chen Y, Xu L, He L, Xiao Q, Guo T, Liu Z. IRF7 Exacerbates Candida albicans Infection by Compromising CD209-Mediated Phagocytosis and Autophagy-Mediated Killing in Macrophages. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1932-1944. [PMID: 38709167 DOI: 10.4049/jimmunol.2300826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/20/2024] [Indexed: 05/07/2024]
Abstract
IFN regulatory factor 7 (IRF7) exerts anti-infective effects by promoting the production of IFNs in various bacterial and viral infections, but its role in highly morbid and fatal Candida albicans infections is unknown. We unexpectedly found that Irf7 gene expression levels were significantly upregulated in tissues or cells after C. albicans infection in humans and mice and that IRF7 actually exacerbates C. albicans infection in mice independent of its classical function in inducing IFNs production. Compared to controls, Irf7-/- mice showed stronger phagocytosis of fungus, upregulation of C-type lectin receptor CD209 expression, and enhanced P53-AMPK-mTOR-mediated autophagic signaling in macrophages after C. albicans infection. The administration of the CD209-neutralizing Ab significantly hindered the phagocytosis of Irf7-/- mouse macrophages, whereas the inhibition of p53 or autophagy impaired the killing function of these macrophages. Thus, IRF7 exacerbates C. albicans infection by compromising the phagocytosis and killing capacity of macrophages via regulating CD209 expression and p53-AMPK-mTOR-mediated autophagy, respectively. This finding reveals a novel function of IRF7 independent of its canonical IFNs production and its unexpected role in enhancing fungal infections, thus providing more specific and effective targets for antifungal therapy.
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Affiliation(s)
- Furong Qing
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
| | - Lina Sui
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
| | - Wenji He
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
- School of Graduate, China Medical University, Shenyang, Liaoning
| | - Yayun Chen
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
- School of Graduate, China Medical University, Shenyang, Liaoning
| | - Li Xu
- Center for Scientific Research, Gannan Medical University, Ganzhou, Jiangxi, China
| | - Liangmei He
- School of Graduate, China Medical University, Shenyang, Liaoning
- Department of Gastroenterology, First Affiliated Hospital, Gannan Medical University, Ganzhou, Jiangxi, China
| | - Qiuxiang Xiao
- School of Graduate, China Medical University, Shenyang, Liaoning
- Department of Pathology, First Affiliated Hospital, Gannan Medical University, Ganzhou, Jiangxi, China
| | - Tianfu Guo
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
| | - Zhiping Liu
- School of Basic Medicine; Gannan Medical University, Ganzhou, Jiangxi
- Center for Scientific Research, Gannan Medical University, Ganzhou, Jiangxi, China
- Center for Immunology, Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou, Jiangxi, China
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14
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Xing J, Wang K, Xu YC, Pei ZJ, Yu QX, Liu XY, Dong YL, Li SF, Chen Y, Zhao YJ, Yao F, Ding J, Hu W, Zhou RP. Efferocytosis: Unveiling its potential in autoimmune disease and treatment strategies. Autoimmun Rev 2024; 23:103578. [PMID: 39004157 DOI: 10.1016/j.autrev.2024.103578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 07/06/2024] [Accepted: 07/07/2024] [Indexed: 07/16/2024]
Abstract
Efferocytosis is a crucial process whereby phagocytes engulf and eliminate apoptotic cells (ACs). This intricate process can be categorized into four steps: (1) ACs release "find me" signals to attract phagocytes, (2) phagocytosis is directed by "eat me" signals emitted by ACs, (3) phagocytes engulf and internalize ACs, and (4) degradation of ACs occurs. Maintaining immune homeostasis heavily relies on the efficient clearance of ACs, which eliminates self-antigens and facilitates the generation of anti-inflammatory and immunosuppressive signals that maintain immune tolerance. However, any disruptions occurring at any of the efferocytosis steps during apoptosis can lead to a diminished efficacy in removing apoptotic cells. Factors contributing to this inefficiency encompass dysregulation in the release and recognition of "find me" or "eat me" signals, defects in phagocyte surface receptors, bridging molecules, and other signaling pathways. The inadequate clearance of ACs can result in their rupture and subsequent release of self-antigens, thereby promoting immune responses and precipitating the onset of autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, type 1 diabetes, and multiple sclerosis. A comprehensive understanding of the efferocytosis process and its implications can provide valuable insights for developing novel therapeutic strategies that target this process to prevent or treat autoimmune diseases.
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Affiliation(s)
- Jing Xing
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ke Wang
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yu-Cai Xu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ze-Jun Pei
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Qiu-Xia Yu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Xing-Yu Liu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ya-Lu Dong
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; School of pharmacy, Anhui Medical University, Hefei 230032, China
| | - Shu-Fang Li
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Yong Chen
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Ying-Jie Zhao
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Feng Yao
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Jie Ding
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Wei Hu
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Anti-inflammatory and Immune Medicine, Anhui Medical University, Ministry of Education, Hefei 230032, China.
| | - Ren-Peng Zhou
- Department of Clinical Pharmacology, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; The Key Laboratory of Anti-inflammatory and Immune Medicine, Anhui Medical University, Ministry of Education, Hefei 230032, China.
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15
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Yang C, Qu L, Wang R, Wang F, Yang Z, Xiao F. Multi-layered effects of Panax notoginseng on immune system. Pharmacol Res 2024; 204:107203. [PMID: 38719196 DOI: 10.1016/j.phrs.2024.107203] [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: 02/21/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024]
Abstract
Recent research has demonstrated the immunomodulatory potential of Panax notoginseng in the treatment of chronic inflammatory diseases and cerebral hemorrhage, suggesting its significance in clinical practice. Nevertheless, the complex immune activity of various components has hindered a comprehensive understanding of the immune-regulating properties of Panax notoginseng, impeding its broader utilization. This review evaluates the effect of Panax notoginseng to various types of white blood cells, elucidates the underlying mechanisms, and compares the immunomodulatory effects of different Panax notoginseng active fractions, aiming to provide the theory basis for future immunomodulatory investigation.
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Affiliation(s)
- Chunhao Yang
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China
| | - Liping Qu
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China; Innovation Materials Research and Development Center, Botanee Research Institute, Shanghai Jiyan Biomedical Development Co., Ltd., Shanghai 201702, China
| | - Rui Wang
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China
| | - Feifei Wang
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China; Innovation Materials Research and Development Center, Botanee Research Institute, Shanghai Jiyan Biomedical Development Co., Ltd., Shanghai 201702, China
| | - Zhaoxiang Yang
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China
| | - Fengkun Xiao
- Yunnan Characteristic Plant Extraction Laboratory, Yunnan Yunke Characteristic Plant Extraction Laboratory Co., Ltd., Kunming 650106, China; Yunnan Botanee Bio-Technology Group Co., Ltd., Kunming 650106, China.
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16
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Jiang B, Huang J. Influences of bacterial extracellular vesicles on macrophage immune functions. Front Cell Infect Microbiol 2024; 14:1411196. [PMID: 38873097 PMCID: PMC11169721 DOI: 10.3389/fcimb.2024.1411196] [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: 04/03/2024] [Accepted: 05/20/2024] [Indexed: 06/15/2024] Open
Abstract
Bacterial extracellular vesicles (EVs) are crucial mediators of information transfer between bacteria and host cells. Macrophages, as key effector cells in the innate immune system, have garnered widespread attention for their interactions with bacterial EVs. Increasing evidence indicates that bacterial EVs can be internalized by macrophages through multiple pathways, thereby influencing their immune functions. These functions include inflammatory responses, antimicrobial activity, antigen presentation, and programmed cell death. Therefore, this review summarizes current research on the interactions between bacterial EVs and macrophages. This will aid in the deeper understanding of immune modulation mediated by pathogenic microorganisms and provide a basis for developing novel antibacterial therapeutic strategies.
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Affiliation(s)
- Bowei Jiang
- The First School of Clinical Medicine, Gannan Medical University, Ganzhou, China
| | - Junyun Huang
- Department of Laboratory Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
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17
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Pinello N, Song R, Lee Q, Calonne E, Duan KL, Wong E, Tieng J, Mehravar M, Rong B, Lan F, Roediger B, Ma CJ, Yuan BF, Rasko JEJ, Larance M, Ye D, Fuks F, Wong JJL. Dynamic changes in RNA m 6A and 5 hmC influence gene expression programs during macrophage differentiation and polarisation. Cell Mol Life Sci 2024; 81:229. [PMID: 38780787 PMCID: PMC11116364 DOI: 10.1007/s00018-024-05261-9] [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: 02/06/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024]
Abstract
RNA modifications are essential for the establishment of cellular identity. Although increasing evidence indicates that RNA modifications regulate the innate immune response, their role in monocyte-to-macrophage differentiation and polarisation is unclear. While m6A has been widely studied, other RNA modifications, including 5 hmC, remain poorly characterised. We profiled m6A and 5 hmC epitranscriptomes, transcriptomes, translatomes and proteomes of monocytes and macrophages at rest and pro- and anti-inflammatory states. Transcriptome-wide mapping of m6A and 5 hmC reveals enrichment of m6A and/or 5 hmC on specific categories of transcripts essential for macrophage differentiation. Our analyses indicate that m6A and 5 hmC modifications are present in transcripts with critical functions in pro- and anti-inflammatory macrophages. Notably, we also discover the co-occurrence of m6A and 5 hmC on alternatively-spliced isoforms and/or opposing ends of the untranslated regions (UTR) of mRNAs with key roles in macrophage biology. In specific examples, RNA 5 hmC controls the decay of transcripts independently of m6A. This study provides (i) a comprehensive dataset to interrogate the role of RNA modifications in a plastic system (ii) a resource for exploring different layers of gene expression regulation in the context of human monocyte-to-macrophage differentiation and polarisation, (iii) new insights into RNA modifications as central regulators of effector cells in innate immunity.
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Affiliation(s)
- Natalia Pinello
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
- Functional Genomics Laboratory, Institut Pasteur de Montevideo, 11400, Montevideo, Uruguay
| | - Renhua Song
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
| | - Quintin Lee
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
| | - Emilie Calonne
- Laboratory of Cancer Epigenetics, Faculty of Medicine, ULB Cancer Research Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Kun-Long Duan
- The Molecular and Cell Biology Lab, Key Laboratory of Medical Epigenetics and Metabolism, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Emilie Wong
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
| | - Jessica Tieng
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
| | - Majid Mehravar
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
| | - Bowen Rong
- Shanghai Key Laboratory of Medical Epigenetics, International Co-Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Fei Lan
- Shanghai Key Laboratory of Medical Epigenetics, International Co-Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Ben Roediger
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Skin Inflammation Group, Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
- Autoimmunity, Transplantation and Inflammation (ATI) Disease Area, Novartis Institutes for BioMedical Research, Basel, Switzerland
| | - Cheng-Jie Ma
- School of Public Health, Wuhan University, Wuhan, 430071, China
| | - Bi-Feng Yuan
- School of Public Health, Wuhan University, Wuhan, 430071, China
| | - John E J Rasko
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Gene and Stem Cell Therapy Program, Centenary Institute, The University of Sydney, Camperdown, 2050, Australia
- Cell and Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, 2050, NSW, Australia
| | - Mark Larance
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia
- Charles Perkins Centre, School of Medical Sciences, University of Sydney, Sydney, 2006, Australia
| | - Dan Ye
- The Molecular and Cell Biology Lab, Key Laboratory of Medical Epigenetics and Metabolism, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - François Fuks
- Laboratory of Cancer Epigenetics, Faculty of Medicine, ULB Cancer Research Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Justin J-L Wong
- Faculty of Medicine and Health, The University of Sydney, Camperdown, 2050, Australia.
- Epigenetics and RNA Biology Program Centenary Institute, The University of Sydney, Camperdown, 2050, Australia.
- Charles Perkins Centre, School of Medical Sciences, University of Sydney, Sydney, 2006, Australia.
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18
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Kang C, Sang Q, Liu D, Wang L, Li J, Liu X. Polyphyllin I alleviates neuroinflammation after cerebral ischemia-reperfusion injury via facilitating autophagy-mediated M2 microglial polarization. Mol Med 2024; 30:59. [PMID: 38745316 PMCID: PMC11094947 DOI: 10.1186/s10020-024-00828-5] [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: 01/31/2024] [Accepted: 05/06/2024] [Indexed: 05/16/2024] Open
Abstract
Microglial activation and polarization play a central role in poststroke inflammation and neuronal damage. Modulating microglial polarization from pro-inflammatory to anti-inflammatory phenotype is a promising therapeutic strategy for the treatment of cerebral ischemia. Polyphyllin I (PPI), a steroidal saponin, shows multiple bioactivities in various diseases, but the potential function of PPI in cerebral ischemia is not elucidated yet. In our study, the influence of PPI on cerebral ischemia-reperfusion injury was evaluated. Mouse middle cerebral artery occlusion (MCAO) model and oxygen-glucose deprivation and reoxygenation (OGD/R) model were constructed to mimic cerebral ischemia-reperfusion injury in vivo and in vitro. TTC staining, TUNEL staining, RT-qPCR, ELISA, flow cytometry, western blot, immunofluorescence, hanging wire test, rotarod test and foot-fault test, open-field test and Morris water maze test were performed in our study. We found that PPI alleviated cerebral ischemia-reperfusion injury and neuroinflammation, and improved functional recovery of mice after MCAO. PPI modulated microglial polarization towards anti-inflammatory M2 phenotype in MCAO mice in vivo and post OGD/R in vitro. Besides, PPI promoted autophagy via suppressing Akt/mTOR signaling in microglia, while inhibition of autophagy abrogated the effect of PPI on M2 microglial polarization after OGD/R. Furthermore, PPI facilitated autophagy-mediated ROS clearance to inhibit NLRP3 inflammasome activation in microglia, and NLRP3 inflammasome reactivation by nigericin abolished the effect of PPI on M2 microglia polarization. In conclusion, PPI alleviated post-stroke neuroinflammation and tissue damage via increasing autophagy-mediated M2 microglial polarization. Our data suggested that PPI had potential for ischemic stroke treatment.
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Affiliation(s)
- Chunyang Kang
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China
| | - Qiuling Sang
- Department of Neuroelectrophysiology, China-Japan Union Hospital of Jilin University, Changchun, 130000, China
| | - Dingxi Liu
- Department of Clinical Medicine, Zunyi Medical University, Zhuhai, 519041, China
| | - Libo Wang
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China
| | - Jia Li
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China.
| | - Xiaoyang Liu
- Department of Neurology, China-Japan Union Hospital of Jilin University, No. 126 Xiantai Street, Changchun, 130000, China.
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Ye Y, Li L, Kang H, Wan Z, Zhang M, Gang B, Liu J, Liu G, Gu W. LAMP1 controls CXCL10-CXCR3 axis mediated inflammatory regulation of macrophage polarization during inflammatory stimulation. Int Immunopharmacol 2024; 132:111929. [PMID: 38555817 DOI: 10.1016/j.intimp.2024.111929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 04/02/2024]
Abstract
Increased expression of CXCL10 and its receptor CXCR3 represents an inflammatory response in cells and tissues. Macrophage polarization and autophagy are major functions in inflammatory macrophages; however, the cellular functions of the CXCL10-CXCR3 axis in macrophages are not well understood. Here, we examined the role of CXCL10-CXCR3-axis-regulated autophagy in macrophage polarization. First, in non-inflammatory macrophages, whereas CXCL10 promotes M2 polarization and inhibits M1 polarization, CXCR3 antagonist AMG487 induces the opposite macrophage polarization. Next, CXCL10 promotes the expression of autophagy proteins (Atg5-Atg12 complex, p62, LC3-II, and LAMP1) and AMG487 inhibits their expression. Knockdown of LAMP1 by short interfering RNA switches the CXCL10-induced polarization from M2 to M1 in non-inflammatory macrophages. Furthermore, in inflammatory macrophages stimulated by poly(I:C), CXCL10 induces M1 polarization and AMG487 induces M2 polarization in association with a decrease in LAMP1. Finally, AMG487 alleviates lung injury after poly(I:C) treatment in mice. In conclusion, CXCL10-CXCR3 axis differentially directs macrophage polarization in inflammatory and non-inflammatory states, and autophagy protein LAMP1 acts as the switch controlling the direction of macrophage polarization by CXCL10-CXCR3.
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Affiliation(s)
- Yingying Ye
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China; Reproduction Medicine Center, The First Affiliated Hospital of Bengbu Medical University, Bengbu, Anhui, 233030, China
| | - Lexing Li
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Hu Kang
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China
| | - Ziyu Wan
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China
| | - Mengjie Zhang
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China
| | - Baocai Gang
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China
| | - Jie Liu
- College of Animal and Veterinary Science, Southwest Minzu University, Chengdu, Sichuan 610041, China
| | - Guoquan Liu
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China.
| | - Wei Gu
- Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, and Anhui Province Key Laboratory of Cancer Translational Medicine, Bengbu Medical University, 2600 Donghai Avenue, Bengbu, Anhui 233030, China.
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20
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Valverde A, Naqvi RA, Naqvi AR. Macrophage-enriched novel functional long noncoding RNAs LRRC75A-AS1 and GAPLINC regulate polarization and innate immune responses. Inflamm Res 2024; 73:771-792. [PMID: 38592458 DOI: 10.1007/s00011-024-01865-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 01/29/2024] [Accepted: 02/21/2024] [Indexed: 04/10/2024] Open
Abstract
INTRODUCTION Macrophages (Mφs) are functionally dynamic immune cells that bridge innate and adaptive immune responses; however, the underlying epigenetic mechanisms that control Mφ plasticity and innate immune functions are not well elucidated. OBJECTIVE To identify novel functions of macrophage-enriched lncRNAs in regulating polarization and innate immune responses. METHODS Total RNA isolated from differentiating monocyte-derived M1 and M2 Mφs was profiled for lncRNAs expression using RNAseq. Impact of LRRC75A-AS1, GAPLINC and AL139099.5 knockdown was examined on macrophage differentiation, polarization markers, phagocytosis, and antigen processing by flow cytometry and florescence microscopy. Cytokine profiles were examined by multiplex bead array and cytoskeletal signaling pathway genes were quantified by PCR-based array. Gingival biopsies were collected from periodontally healthy and diseased subjects to examine lncRNAs, M1/M2 marker expression. RESULTS Transcriptome profiling of M1 and M2 Mφs identified thousands of differentially expressed known and novel lncRNAs. We characterized three Mφ-enriched lncRNAs LRRC75A-AS1, GAPLINC and AL139099.5 in polarization and innate immunity. Knockdown of LRRC75A-AS1 and GAPLINC downregulated the Mφ differentiation markers and skewed Mφ polarization by decreasing M1 markers without a significant impact on M2 markers. LRRC75A-AS1 and GAPLINC knockdown also attenuated bacterial phagocytosis, antigen processing and inflammatory cytokine secretion in Mφs, supporting their functional role in potentiating innate immune functions. Mechanistically, LRRC75A-AS1 and GAPLINC knockdown impaired Mφ migration by downregulating the expression of multiple cytoskeletal signaling pathways suggesting their critical role in regulating Mφ migration. Finally, we showed that LRRC75A-AS1 and GAPLINC were upregulated in periodontitis and their expression correlates with higher M1 markers suggesting their role in macrophage polarization in vivo. CONCLUSION Our results show that polarized Mφs acquire a unique lncRNA repertoire and identified many previously unknown lncRNA sequences. LRRC75A-AS1 and GAPLINC, which are induced in periodontitis, regulate Mφ polarization and innate immune functions supporting their critical role in inflammation.
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Affiliation(s)
- Araceli Valverde
- Department of Periodontics, College of Dentistry, University of Illinois Chicago, Chicago, IL, 60612, USA.
- Department of Microbiology and Immunology, College of Medicine, University of Illinois Chicago, Chicago, IL, 60612, USA.
| | - Raza Ali Naqvi
- Department of Periodontics, College of Dentistry, University of Illinois Chicago, Chicago, IL, 60612, USA
- Department of Microbiology and Immunology, College of Medicine, University of Illinois Chicago, Chicago, IL, 60612, USA
| | - Afsar R Naqvi
- Department of Periodontics, College of Dentistry, University of Illinois Chicago, Chicago, IL, 60612, USA.
- Department of Microbiology and Immunology, College of Medicine, University of Illinois Chicago, Chicago, IL, 60612, USA.
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21
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Fang X, Lan X, Zhu M, He M, Sun M, Cao Y, Zhu D, Guo D, Luo H. Puerarin Induces Macrophage M2 Polarization to Exert Antinonalcoholic Steatohepatitis Pharmacological Activity via the Activation of Autophagy. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7187-7202. [PMID: 38515289 DOI: 10.1021/acs.jafc.3c09601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
To determine the protective mechanism of puerarin against nonalcoholic steatohepatitis (NASH), the pharmacodynamic effects of puerarin on NASH were evaluated by using zebrafish, cells, and mice. Western blotting, flow cytometry, immunofluorescence, and qRT-PCR were used to detect the effects of puerarin on RAW264.7 autophagy and polarization. Key target interactions between autophagy and polarization were detected using immunoprecipitation. Puerarin regulated the M1/M2 ratio of RAW 264.7 cells induced by LPS + INF-γ. Transcriptomics revealed that PAI-1 is a key target of puerarin in regulating macrophage polarization. PAI-1 knockout reduced the number of M1-type macrophages and increased the number of M2-type macrophages. Puerarin regulated PAI-1 and was associated with macrophage autophagy. It increased p-ULK1 expression in macrophages and activated autophagic flux, reducing the level of PAI-1 expression. Stat3/Hif-1α and PI3K/AKT signaling pathways regulated the number of macrophage polarization phenotypes, reducing liver lipid droplet formation, alleviating liver structural abnormalities, decreasing the number of cytoplasmic vacuoles, and decreasing the area of blue collagen in NASH mice. Puerarin is a promising dietary component for NASH alleviation.
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Affiliation(s)
- Xiaoxue Fang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
| | - Xintian Lan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
| | - Ming Zhu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
| | - Min He
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Mengmeng Sun
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yiming Cao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
| | - Difu Zhu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
| | - Dean Guo
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Haoming Luo
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
- Key Laboratory of Effective Components of Traditional Chinese Medicine, Changchun 130117, China
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22
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Klute S, Sparrer KMJ. Friends and Foes: The Ambivalent Role of Autophagy in HIV-1 Infection. Viruses 2024; 16:500. [PMID: 38675843 PMCID: PMC11054699 DOI: 10.3390/v16040500] [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: 02/28/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 04/28/2024] Open
Abstract
Autophagy has emerged as an integral part of the antiviral innate immune defenses, targeting viruses or their components for lysosomal degradation. Thus, successful viruses, like pandemic human immunodeficiency virus 1 (HIV-1), evolved strategies to counteract or even exploit autophagy for efficient replication. Here, we provide an overview of the intricate interplay between autophagy and HIV-1. We discuss the impact of autophagy on HIV-1 replication and report in detail how HIV-1 manipulates autophagy in infected cells and beyond. We also highlight tissue and cell-type specifics in the interplay between autophagy and HIV-1. In addition, we weigh exogenous modulation of autophagy as a putative double-edged sword against HIV-1 and discuss potential implications for future antiretroviral therapy and curative approaches. Taken together, we consider both antiviral and proviral roles of autophagy to illustrate the ambivalent role of autophagy in HIV-1 pathogenesis and therapy.
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23
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Cao L, Feng C, Ye H, Zhao H, Shi Z, Li J, Wu Y, Wang R, Li Q, Liang J, Ji Q, Gu H, Shao M. Differential mRNA profiles reveal the potential roles of genes involved in lactate stimulation in mouse macrophages. Genomics 2024; 116:110814. [PMID: 38432499 DOI: 10.1016/j.ygeno.2024.110814] [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: 09/13/2023] [Revised: 01/28/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Lactate is a glycolysis end product, and its levels are markedly associated with disease severity, morbidity, and mortality in sepsis. It modulates key functions of immune cells, including macrophages. In this investigation, transcriptomic analysis was performed using lactic acid, sodium lactate, and hydrochloric acid-stimulated mouse bone marrow-derived macrophages (iBMDM), respectively, to identify lactate-associated signaling pathways. After 24 h of stimulation, 896 differentially expressed genes (DEG) indicated were up-regulation, whereas 792 were down-regulated in the lactic acid group, in the sodium lactate group, 128 DEG were up-regulated, and 41 were down-regulated, and in the hydrochloric acid group, 499 DEG were up-regulated, and 285 were down-regulated. Subsequently, clinical samples were used to further verify the eight genes with significant differences, among which Tssk6, Ypel4, Elovl3, Trp53inp1, and Cfp were differentially expressed in patients with high lactic acid, indicating their possible involvement in lactic acid-induced inflammation and various physiological diseases caused by sepsis. However, elongation of very long chain fatty acids protein 3 (Elovl3) was negatively correlated with lactic acid content in patients. The results of this study provide a necessary reference for better understanding the transcriptomic changes caused by lactic acid and explain the potential role of high lactic acid in the regulation of macrophages in sepsis.
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Affiliation(s)
- Limian Cao
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China.
| | - Chencheng Feng
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Haoming Ye
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Heng Zhao
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Zhimin Shi
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Jun Li
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Yayun Wu
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Ruojue Wang
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Qianru Li
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Jinquan Liang
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Qiang Ji
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China
| | - Hao Gu
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China.
| | - Min Shao
- Department of Critical care Medicine, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230001, China.
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24
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Hu M, Fan JX, He ZY, Zeng J. The regulatory role of autophagy between TAMs and tumor cells. Cell Biochem Funct 2024; 42:e3984. [PMID: 38494666 DOI: 10.1002/cbf.3984] [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: 09/11/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/19/2024]
Abstract
Cancer has become a global public health problem and its harmful effects have received widespread attention. Conventional treatments such as surgical resection, radiotherapy and other techniques are applicable to clinical practice, but new drugs are constantly being developed and other therapeutic approaches, such as immunotherapy are being applied. In addition to studying the effects on individual tumor cells, it is important to explore the role of tumor microenvironment on tumor cell development since tumor cells do not exist alone but in the tumor microenvironment. In the tumor microenvironment, tumor cells are interconnected with other stromal cells and influence each other, among which tumor-associated macrophages (TAMs) are the most numerous immune cells. At the same time, it was found that cancer cells have different levels of autophagy from normal cells. In cancer therapy, the occurrence of autophagy plays an important role in promoting tumor cell death or inhibiting tumor cell death, and is closely related to the environment. Therefore, elucidating the regulatory role of autophagy between TAMs and tumor cells may be an important breakthrough, providing new perspectives for further research on antitumor immune mechanisms and improving the efficacy of cancer immunotherapy.
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Affiliation(s)
- Min Hu
- College of Life Sciences, Chongqing Normal University, Chongqing, 401331, China
| | - Jiao-Xiu Fan
- College of Life Sciences, Chongqing Normal University, Chongqing, 401331, China
| | - Zi-Yue He
- College of Life Sciences, Chongqing Normal University, Chongqing, 401331, China
| | - Jun Zeng
- College of Life Sciences, Chongqing Normal University, Chongqing, 401331, China
- Animal Biology Key Laboratory of Chongqing Education Commission of China
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25
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Kwok CTK, Chow FWN, Cheung KYC, Zhang XY, Mok DKW, Kwan YW, Chan GHH, Leung GPH, Cheung KW, Lee SMY, Wang N, Li JJ, Seto SW. Medulla Tetrapanacis water extract alleviates inflammation and infection by regulating macrophage polarization through MAPK signaling pathway. Inflammopharmacology 2024; 32:393-404. [PMID: 37429999 DOI: 10.1007/s10787-023-01266-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 06/11/2023] [Indexed: 07/12/2023]
Abstract
Medulla Tetrapanacis (MT) is a commonly used herb to promote lactation and manage mastitis in lactating mothers. However, its anti-inflammatory and anti-bacterial effects are currently unknown. We hypothesized that MT water extract possesses anti-inflammatory and anti-bacterial effects by modulating macrophage polarization to reduce the release of inflammatory mediators and phagocytosis via inactivation of MAPKs pathways. The chemical composition of the MT water extract was analyzed by UPLC-Orbitrap-mass spectrometry. The anti-inflammatory and anti-bacterial properties of the MT water extract were examined using LPS-stimulated inflammation and Staphylococcus aureus infection model in RAW 264.7 cells, respectively. The underlying mechanism of action of the MT water extract was also investigated. We identified eight compounds by UPLC-Orbitrap-mass spectrometry that are abundant within the MT water extract. MT water extract significantly suppressed LPS-induced nitric oxide, TNF-α and IL-6 secretion in RAW 264.7 cells which was accompanied by the promotion of macrophage polarization from pro-inflammatory towards anti-inflammatory phenotypes. MT water extract significantly suppressed the LPS-induced MAPK activation. Finally, MT water extract decreased the phagocytic capacity of the RAW 264.7 cells against S. aureus infection. MT water extract could suppress LPS-induced inflammation by promoting macrophages towards an anti-inflammatory phenotype. In addition, MT also inhibited the growth of S. aureus.
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Affiliation(s)
- Carsten Tsun-Ka Kwok
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Franklin Wang-Ngai Chow
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong, China
- Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, China
| | - Karry Yuen-Ching Cheung
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong, China
| | - Xiao-Yi Zhang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Daniel Kam-Wah Mok
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong, China
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong, China
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology, Shenzhen, China
| | - Yiu-Wa Kwan
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Gabriel Hoi-Huen Chan
- College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong, China
| | - George Pak-Heng Leung
- Department of Pharmacology and Pharmacy, The University of Hong Kong, Hong Kong, China
| | - Ka-Wang Cheung
- Department of Obstetrics and Gynaecology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China
| | - Simon Ming-Yuen Lee
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, China
| | - Ning Wang
- Anhui Province Key Laboratory of Chinese Medicinal Formula, Anhui University of Chinese Medicine, Hefei, China
| | - Jing-Jing Li
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China
| | - Sai-Wang Seto
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong, China.
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong, China.
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, 2751, Australia.
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Ahsan N, Shariq M, Surolia A, Raj R, Khan MF, Kumar P. Multipronged regulation of autophagy and apoptosis: emerging role of TRIM proteins. Cell Mol Biol Lett 2024; 29:13. [PMID: 38225560 PMCID: PMC10790450 DOI: 10.1186/s11658-023-00528-8] [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: 09/06/2023] [Accepted: 12/18/2023] [Indexed: 01/17/2024] Open
Abstract
TRIM proteins are characterized by their conserved N-terminal RING, B-box, and coiled-coil domains. These proteins are efficient regulators of autophagy, apoptosis, and innate immune responses and confer immunity against viruses and bacteria. TRIMs function as receptors or scaffold proteins that target substrates for autophagy-mediated degradation. Most TRIMs interact with the BECN1-ULK1 complex to form TRIMosomes, thereby efficiently targeting substrates to autophagosomes. They regulate the functions of ATG proteins through physical interactions or ubiquitination. TRIMs affect the lipidation of MAP1LC3B1 to form MAP1LC3B2, which is a prerequisite for phagophore and autophagosome formation. In addition, they regulate MTOR kinase and TFEB, thereby regulating the expression of ATG genes. TRIM proteins are efficient regulators of apoptosis and are crucial for regulating cell proliferation and tumor formation. Many TRIM proteins regulate intrinsic and extrinsic apoptosis via the cell surface receptors TGFBR2, TNFRSF1A, and FAS. Mitochondria modulate the anti- and proapoptotic functions of BCL2, BAX, BAK1, and CYCS. These proteins use a multipronged approach to regulate the intrinsic and extrinsic apoptotic pathways, culminating in coordinated activation or inhibition of the initiator and executor CASPs. Furthermore, TRIMs can have a dual effect in determining cell fate and are therefore crucial for cellular homeostasis. In this review, we discuss mechanistic insights into the role of TRIM proteins in regulating autophagy and apoptosis, which can be used to better understand cellular physiology. These findings can be used to develop therapeutic interventions to prevent or treat multiple genetic and infectious diseases.
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Affiliation(s)
- Nuzhat Ahsan
- Quantlase Lab LLC, Unit 1-8, Masdar City, Abu Dhabi, UAE.
| | - Mohd Shariq
- Quantlase Lab LLC, Unit 1-8, Masdar City, Abu Dhabi, UAE
| | - Avadhesha Surolia
- Molecular Biophysics Unit, Indian Institute of Science, Bangalore, 460012, India.
| | - Reshmi Raj
- Quantlase Lab LLC, Unit 1-8, Masdar City, Abu Dhabi, UAE
| | | | - Pramod Kumar
- Quantlase Lab LLC, Unit 1-8, Masdar City, Abu Dhabi, UAE
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Tang LQ, Wang W, Tang QF, Wang LL. The molecular mechanism of MiR-26a-5p regulates autophagy and activates NLRP3 inflammasome to mediate cardiomyocyte hypertrophy. BMC Cardiovasc Disord 2024; 24:18. [PMID: 38172711 PMCID: PMC10765805 DOI: 10.1186/s12872-023-03695-w] [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: 06/26/2023] [Accepted: 12/26/2023] [Indexed: 01/05/2024] Open
Abstract
OBJECTIVE Many studies have found that miR-26a-5p plays an essential role in the progression of pathological cardiac hypertrophy, however, there is still no evidence on whether miR-26a-5p is related to the activation of autophagy and NLRP3 inflammasome. And the mechanism of miR-26a-5p and NLRP3 inflammasome aggravating pathological cardiac hypertrophy remain unclear. METHODS Cardiomyocytes were treated with 200µM PE to induce cardiac hypertrophy and intervened with 10mM NLRP3 inhibitor INF39. In addition, we also used the MiR-26a-5p mimic and inhibitor to transfect PE-induced cardiac hypertrophy. RT-qPCR and western blotting were used to detect the expressions of miR-26a-5p, NLRP3, ASC and Caspase-1 in each group, and we used α-SMA immunofluorescence to detect the change of cardiomyocyte area. The expression levels of autophagy proteins LC3, beclin-1 and p62 were detected by western blotting. Finally, we induced the SD rat cardiac hypertrophy model through aortic constriction (TAC) surgery. In the experimental group, rats were intervened with MiR-26a-5p mimic, MiR-26a-5p inhibitor, autophagy inhibitor 3-MA, and autophagy activator Rapamycin. RESULTS In cell experiments, we observed that the expression of miR-26a-5p was associated with cardiomyocyte hypertrophy and increased surface area. Furthermore, miR-26a-5p facilitated autophagy and activated the NLRP3 inflammasome pathway, which caused changes in the expression of genes and proteins including LC3, beclin-1, p62, ACS, NLRP3, and Caspase-1. We discovered similar outcomes in the TAC rat model, where miR-26a-5p expression corresponded with cardiomyocyte enlargement and fibrosis in the cardiac interstitial and perivascular regions. In conclusion, miR-26a-5p has the potential to regulate autophagy and activate the NLRP3 inflammasome, contributing to the development of cardiomyocyte hypertrophy. CONCLUSION Our study found a relationship between the expression of miR-26a-5p and cardiomyocyte hypertrophy. The mechanism behind this relationship appears to involve the activation of the NLRP3 inflammasome pathway, which is caused by miR-26a-5p promoting autophagy. Targeting the expression of miR-26a-5p, as well as inhibiting the activation of autophagy and the NLRP3 inflammasome pathway, could offer additional treatments for pathological cardiac hypertrophy.
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Affiliation(s)
- Li-Qun Tang
- Geriatric Medicine Center, Department of Geriatric Medicine, Zhejiang Provincial People ' s Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
| | - Wei Wang
- Department of Pharmacy, Zhejiang Province People's Hospital, Hangzhou Medical College, No.156 Shangtang Road, Xiacheng District, Hangzhou, 310016, Zhejiang, China
| | - Qi-Feng Tang
- Department of Radiology, Zhejiang Province People's Hospital, Hangzhou, 310016, Zhejiang, China
| | - Ling-Ling Wang
- Department of Critical Care Medicine, Dinghai District Central Hospital, Zhoushan, 316000, Zhejiang, China
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28
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Ryan CB, Choi JS, Kang B, Herr S, Pereira C, Moraes CT, Al-Ali H, Lee JK. PI3K signaling promotes formation of lipid-laden foamy macrophages at the spinal cord injury site. Neurobiol Dis 2024; 190:106370. [PMID: 38049013 PMCID: PMC10804283 DOI: 10.1016/j.nbd.2023.106370] [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: 09/02/2023] [Revised: 11/29/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023] Open
Abstract
After spinal cord injury (SCI), infiltrating macrophages undergo excessive phagocytosis of myelin and cellular debris, forming lipid-laden foamy macrophages. To understand their role in the cellular pathology of SCI, investigation of the foamy macrophage phenotype in vitro revealed a pro-inflammatory profile, increased reactive oxygen species (ROS) production, and mitochondrial dysfunction. Bioinformatic analysis identified PI3K as a regulator of inflammation in foamy macrophages, and inhibition of this pathway decreased their lipid content, inflammatory cytokines, and ROS production. Macrophage-specific inhibition of PI3K using liposomes significantly decreased foamy macrophages at the injury site after a mid-thoracic contusive SCI in mice. RNA sequencing and in vitro analysis of foamy macrophages revealed increased autophagy and decreased phagocytosis after PI3K inhibition as potential mechanisms for reduced lipid accumulation. Together, our data suggest that the formation of pro-inflammatory foamy macrophages after SCI is due to the activation of PI3K signaling, which increases phagocytosis and decreases autophagy.
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Affiliation(s)
- Christine B Ryan
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - James S Choi
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Brian Kang
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Seth Herr
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America
| | - Claudia Pereira
- Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Carlos T Moraes
- Department of Neurology, University of Miami Miller School of Medicine, Miami, FL, United States of America
| | - Hassan Al-Ali
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America; Department of Medicine Katz Division of Nephrology and Hypertension, University of Miami, Miller School of Medicine, Miami, FL, United States of America; Peggy and Harold Katz Family Drug Discovery Center, University of Miami, Miller School of Medicine, Miami, FL, United States of America; Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, United States of America
| | - Jae K Lee
- Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, FL 33136, United States of America.
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Pan W, Zhang J, Zhang L, Zhang Y, Song Y, Han L, Tan M, Yin Y, Yang T, Jiang T, Li H. Comprehensive view of macrophage autophagy and its application in cardiovascular diseases. Cell Prolif 2024; 57:e13525. [PMID: 37434325 PMCID: PMC10771119 DOI: 10.1111/cpr.13525] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/17/2023] [Accepted: 06/22/2023] [Indexed: 07/13/2023] Open
Abstract
Cardiovascular diseases (CVDs) are the primary drivers of the growing public health epidemic and the leading cause of premature mortality and economic burden worldwide. With decades of research, CVDs have been proven to be associated with the dysregulation of the inflammatory response, with macrophages playing imperative roles in influencing the prognosis of CVDs. Autophagy is a conserved pathway that maintains cellular functions. Emerging evidence has revealed an intrinsic connection between autophagy and macrophage functions. This review focuses on the role and underlying mechanisms of autophagy-mediated regulation of macrophage plasticity in polarization, inflammasome activation, cytokine secretion, metabolism, phagocytosis, and the number of macrophages. In addition, autophagy has been shown to connect macrophages and heart cells. It is attributed to specific substrate degradation or signalling pathway activation by autophagy-related proteins. Referring to the latest reports, applications targeting macrophage autophagy have been discussed in CVDs, such as atherosclerosis, myocardial infarction, heart failure, and myocarditis. This review describes a novel approach for future CVD therapies.
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Affiliation(s)
- Wanqian Pan
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Jun Zhang
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Lei Zhang
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Yue Zhang
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Yiyi Song
- Suzhou Medical College of Soochow UniversitySuzhouChina
| | - Lianhua Han
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Mingyue Tan
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Yunfei Yin
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Tianke Yang
- Department of Ophthalmology, Eye Institute, Eye & ENT HospitalFudan UniversityShanghaiChina
- Department of OphthalmologyThe First Affiliated Hospital of USTC, University of Science and Technology of ChinaHefeiChina
| | - Tingbo Jiang
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
| | - Hongxia Li
- Department of CardiologyThe First Affiliated Hospital of Soochow UniversitySuzhouChina
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Zheng A, Xu Y, Cen N, Wu B. A Lower IL-34 Expression Is Associated with Non-Healing Diabetic Foot Ulcers. Comb Chem High Throughput Screen 2024; 27:1533-1543. [PMID: 37888825 DOI: 10.2174/0113862073273222231005065757] [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: 08/08/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/28/2023]
Abstract
BACKGROUND The non-healing of diabetic foot ulcers (DFU) is a major cause of high disability, morbidity, and mortality. Thus, new therapeutic targets and methods to help healing in patients with DFUs are major research hotspots. OBJECTIVE This study examined the molecular differences between healing and non-healing DFUs to identify genes associated with DFU healing. METHODS Differentially expressed genes (DEGs) were identified by bioinformatics. Samples were collected from patients with healing (n=10) and non-healing (n=10) DFUs from September 2021 to September 2022. Interleukin (IL)-34 expression was measured by ELISA and qRT-PCT. The fibroblasts from healing and non-healing DFU were divided according to their gene signatures and subdivided based on their gene expression profile differences. RESULTS A comparison of fibroblast subpopulation characteristics revealed that the proportion of subpopulation 4 was significantly higher in non-healing DFUs than in healing DFUs. Subpopulation 4 had 254 upregulated genes and 2402 downregulated genes in the non-healing compared with the healing DFUs. The DEGs were involved in several biological functions, including cytokine activity, receptor-ligand activity, signaling receptor activator activity, and receptor regulator activity. IL-34 was downregulated in non-healing compared with healing DFUs, suggesting a possible role of IL-34 in DFU healing. In the clinical specimens, IL-34 was significantly downregulated in non-healing DFUs, consistent with the bioinformatics results. CONCLUSION IL-34 expression is downregulated in non-healing DFU. IL-34 appears to be involved in DFU healing, but the exact causal relationship remains to be explored.
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Affiliation(s)
- Aitian Zheng
- Jinan University, Guangzhou, 511486, China
- Department of Endocrinology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yuanyuan Xu
- Department of Endocrinology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Nimiao Cen
- Department of Endocrinology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Biaoliang Wu
- Jinan University, Guangzhou, 511486, China
- Department of Endocrinology, Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, 533000, China
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Qu B, Liu J, Peng Z, Xiao Z, Li S, Wu J, Li S, Luo J. CircSOD2 polarizes macrophages towards the M1 phenotype to alleviate cisplatin resistance in gastric cancer cells by targeting the miR-1296/STAT1 axis. Gene 2023; 887:147733. [PMID: 37625563 DOI: 10.1016/j.gene.2023.147733] [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: 05/11/2023] [Revised: 08/06/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Cisplatin is the first-line drug for gastric cancer (GC). Cisplatin resistance is the most important cause of poor prognosis for GC. Increasing evidence has identified the important role of macrophage polarization in chemoresistance. CircRNAs are newly discovered non-coding RNAs, characterized by covalently closed loops with high stability. Previous studies have reported a significant difference between circRNA profiles expressed in classically activated M1 macrophages, and those expressed in alternatively activated M2 macrophages. However, the underlying mechanism behind the regulation of GC cisplatin resistance by macrophages remains unclear. In our study, we observed the aberrant high expression of circSOD2 in M1 macrophages derived from THP-1. These expression patterns were confirmed in macrophages from patients with GC. Detection of the M1 and M2 markers confirmed that overexpression of circSOD2 enhances M1 polarization. The viability of cisplatin-treated GC cells was significantly reduced in the presence of macrophages overexpressing circSOD2, and cisplatin-induced apoptosis increased dramatically. In vivo experiments showed that macrophages expressing circSOD2 enhanced the effect of cisplatin. Moreover, we demonstrated that circSOD2 acts as a microRNA sponge for miR-1296 and regulates the expression of its target gene STAT1 (signal transducer and activator of transcription 1). CircSOD2 exerts its function through the miR-1296/STAT1 axis. Inhibition of circSOD2/miR-1296/STAT1 may therefore reduce M1 polarization. Overexpression of circSOD2 promotes the polarization of M1 macrophages and enhances the effect of cisplatin in GC. CircSOD2 is a novel positive regulator of M1 macrophages and may serve as a potential target for GC chemotherapy.
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Affiliation(s)
- Bing Qu
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Jiasheng Liu
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Zhiyang Peng
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Zhe Xiao
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Shijun Li
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Jianguo Wu
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Shengbo Li
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Jianfei Luo
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China.
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Yang G, Yang Y, Liu Y, Liu X. Regulation of alveolar macrophage death in pulmonary fibrosis: a review. Apoptosis 2023; 28:1505-1519. [PMID: 37707713 PMCID: PMC10618387 DOI: 10.1007/s10495-023-01888-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/25/2023] [Indexed: 09/15/2023]
Abstract
Pulmonary fibrosis (PF) is a disease in which excessive extracellular matrix (ECM) accumulation occurs in pulmonary mesenchyme, which induces the destruction of alveolar structures and poor prognosis. Macrophage death is responsible for ECM accumulation after alveolar epithelial injury in PF. Depending on the local micro-environments, macrophages can be polarized to either classically activated (M1) or alternatively activated (M2) macrophage phenotypes. In general, M1 macrophages can promote inflammation and sterilization, stop the continuous damage process and prevent excessive repair, while M2 macrophages are anti-inflammatory and promote tissue repair, and excessive M2 macrophage activity may inhibit the absorption and degradation of ECM. Emerging evidence has revealed that death forms such as pyroptosis mediated by inflammasome affect polarization direction and ultimately lead to the development of PF. Pharmacological manipulation of macrophages death signals may serve as a logical therapeutic strategy for PF. This review will focus on the current state of knowledge regarding the regulation and underlying mechanisms of macrophages and their mediators in the influence of macrophage death on the development of PF. We expect to provide help in developing effective therapeutic strategies in clinical settings.
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Affiliation(s)
- Ganghao Yang
- Department of Respiratory and Critical Medicine, University of Electronic Science and Technology of China Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences and Sichuan People's Hospital, Chengdu, Sichuan, China
| | - Yang Yang
- Department of Respiratory and Critical Medicine, University of Electronic Science and Technology of China Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences and Sichuan People's Hospital, Chengdu, Sichuan, China
| | - Yiping Liu
- Department of Respiratory and Critical Medicine, University of Electronic Science and Technology of China Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences and Sichuan People's Hospital, Chengdu, Sichuan, China
| | - Xiaoshu Liu
- Department of Respiratory and Critical Medicine, University of Electronic Science and Technology of China Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences and Sichuan People's Hospital, Chengdu, Sichuan, China.
- Department of Respiratory and Critical Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuai Fu Yuan Street, Dong Cheng District, Beijing, 100730, China.
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Maure A, Robino E, Van der Henst C. The intracellular life of Acinetobacter baumannii. Trends Microbiol 2023; 31:1238-1250. [PMID: 37487768 DOI: 10.1016/j.tim.2023.06.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 06/16/2023] [Accepted: 06/23/2023] [Indexed: 07/26/2023]
Abstract
Acinetobacter baumannii is a Gram-negative opportunistic bacterium responsible for nosocomial and community-acquired infections. This pathogen is globally disseminated and associated with high levels of antibiotic resistance, which makes it an important threat to human health. Recently, new evidence showed that several A. baumannii isolates can survive and proliferate within eukaryotic professional and/or nonprofessional phagocytic cells, with in vivo consequences. This review provides updated information and describes the tools that A. baumannii possesses to adhere, colonize, and replicate in host cells. Additionally, we emphasize the high genetic and phenotypic heterogeneity detected amongst A. baumannii isolates and its impact on the bacterial intracellular features. We also discuss the need for standardized methods to characterize this pathogen robustly and consequently consider some strains as facultative intracellular bacteria.
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Affiliation(s)
- Alexandra Maure
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Etienne Robino
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Charles Van der Henst
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel (VUB), Brussels, Belgium.
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Luo Y, Li Y, He L, Tu H, Lin X, Zhao F, Huang Y, Wen M, Wang L, Yang Z. Xinyang tablet ameliorates sepsis-induced myocardial dysfunction by regulating Beclin-1 to mediate macrophage autophagy and M2 polarization through LncSICRNT1 targeting E3 ubiquitin ligase TRAF6. Chin Med 2023; 18:143. [PMID: 37919806 PMCID: PMC10621131 DOI: 10.1186/s13020-023-00832-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 09/05/2023] [Indexed: 11/04/2023] Open
Abstract
OBJECTIVE Xinyang Tablet (XYT) has emerged as a potential intervention to counter sepsis-induced myocardial dysfunction (SMID) by influencing macrophage autophagy and M2 polarization. This study aimed to unravel the underlying mechanism of XYT in sepsis-induced myocardial dysfunction (SIMD). METHODS A microarray analysis was employed to explore sepsis-related changes, and bioinformatics analysis was used to predict lncRNAs binding to tumor necrosis factor receptor-associated factor 6 (TRAF6). This studio utilized SIMD mouse models induced by lipopolysaccharide (LPS) injection, followed by treatments involving varied doses of XYT, digoxin (positive control), or si-LncSICRNT1. After seven days, evaluations encompassing mouse hair/mental state/diet/weight were measured, and cardiac function via echocardiography were conducted. Myocardial tissue changes were observed using hematoxylin-eosin staining. Additionally, bone marrow-derived macrophages (BMDMs) subjected to LPS for M1 polarization were treated with oe-LncSICRNT1, si-TRAF6 and their negative control, XYT, or autophagy inhibitor 3-Methyladenine (3-MA) (positive control). RT-qPCR and Western blot analyses were employed to assess LncSICRNT1, TRAF6, Beclin-1, LC3II/LC3I, and p62 levels. Immunohistochemistry and flow cytometry were used for M1/M2 polarization markers, while enzyme-linked immunosorbent assay (ELISA) gauged inflammatory factor levels. Interaction between TRAF6 and LncSICRNT1 was probed using RNA pull-down and RNA immunoprecipitation (RIP) assays. RESULTS Chip analysis obtained 1463 differentially expressed lncRNAs, including LINC01550 (LncSICRNT1). Further prediction indicated that LncSICRNT1 was highly likely to directly bind to TRAF6. XYT treatment in LPS-induced SIMD mice led to notable enhancements in sleep/hair/diet/activity, increased weight/left ventricular end-diastolic diameter (LVEDd)/LV ejection fraction (LVEF)/LV fraction shortening (LVFS). These improvements were associated with elevated LncSICRNT1 expression and decreased TRAF6 protein levels, culminating in reduced myocardial inflammatory responses and improved cardiac function. Notably, XYT was found to suppress macrophage M1 polarization, while enhancing M2 polarization, ultimately benefitting cardiac function via LncSICRNT1 modulation. Furthermore, the study revealed LncSICRNT1 modulated Beclin-1 ubiquitination and restrained macrophage autophagy by targeting TRAF6 expression. CONCLUSION The study highlights XYT's potential to ameliorate LPS-induced SIMD by elevating LncSICRNT1 expression, influencing TRAF6 expression, and regulating Beclin-1 ubiquitination. These actions collectively inhibit macrophage autophagy and foster M1/M2 polarization, contributing to cardiac function improvement.
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Affiliation(s)
- Yuanyuan Luo
- Department of Intensive Care Unit, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuanmei Li
- Department of Rehabilitation Medicine, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Liwei He
- Department of Cardiology, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Haitao Tu
- Department of Nephrology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xinfeng Lin
- Department of Intensive Care Unit, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fengli Zhao
- Department of Intensive Care Unit, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yusheng Huang
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minyong Wen
- Department of Intensive Care Unit, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lingjun Wang
- Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhongqi Yang
- President's Office, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
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Khilwani R, Singh S. Systems Biology and Cytokines Potential Role in Lung Cancer Immunotherapy Targeting Autophagic Axis. Biomedicines 2023; 11:2706. [PMID: 37893079 PMCID: PMC10604646 DOI: 10.3390/biomedicines11102706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 10/29/2023] Open
Abstract
Lung cancer accounts for the highest number of deaths among men and women worldwide. Although extensive therapies, either alone or in conjunction with some specific drugs, continue to be the principal regimen for evolving lung cancer, significant improvements are still needed to understand the inherent biology behind progressive inflammation and its detection. Unfortunately, despite every advancement in its treatment, lung cancer patients display different growth mechanisms and continue to die at significant rates. Autophagy, which is a physiological defense mechanism, serves to meet the energy demands of nutrient-deprived cancer cells and sustain the tumor cells under stressed conditions. In contrast, autophagy is believed to play a dual role during different stages of tumorigenesis. During early stages, it acts as a tumor suppressor, degrading oncogenic proteins; however, during later stages, autophagy supports tumor cell survival by minimizing stress in the tumor microenvironment. The pivotal role of the IL6-IL17-IL23 signaling axis has been observed to trigger autophagic events in lung cancer patients. Since the obvious roles of autophagy are a result of different immune signaling cascades, systems biology can be an effective tool to understand these interconnections and enhance cancer treatment and immunotherapy. In this review, we focus on how systems biology can be exploited to target autophagic processes that resolve inflammatory responses and contribute to better treatment in carcinogenesis.
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Affiliation(s)
| | - Shailza Singh
- Systems Medicine Laboratory, National Centre for Cell Science, SPPU Campus, Ganeshkhind Road, Pune 411007, India;
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Zheng S, Wang WX. Physiological and immune profiling of tilapia Oreochromis niloticus gills by high-throughput single-cell transcriptome sequencing. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109070. [PMID: 37709178 DOI: 10.1016/j.fsi.2023.109070] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 09/02/2023] [Accepted: 09/09/2023] [Indexed: 09/16/2023]
Abstract
The physiological and immune functions of fish gills are largely recognized, but their following functional heterogeneity at the single cell scale has been rarely reported. Here, we performed single cell RNA sequencing (scRNA-seq) on the gills of tilapia fish Oreochromis niloticus. We identified a total of 12 cell populations and analyzed their functional heterogeneity. To investigate the physiological function of O. niloticus gills, expression patterns of genes encoding ion transporters were selected from the identified H+-ATPase-rich cells (HR cells), Na+/K+-ATPase-rich cells (NaR cells), and pavement cells. Specific enrichment of ca4a, slc9a1a, and LOC100692482 in the HR cells of O. niloticus gills explained their functions in acid-base regulation. Genes encoding Ca2+ transporters, including atp2b1, LOC100696627, and LOC 100706765, were specifically expressed in the NaR cells. Pavement cells were presumably the main sites responsible for ammonia and urea transports in O. niloticus gills with specific enrichment of Rhbg and LOC100693008, respectively. The expression patterns of the four immune cell subtypes varied greatly, with B cells being enriched with the most immune-related GO terms. KEGG enrichment analysis showed that MAPK signaling pathway was the most enriched pathway among the four types of immune cells in O. niloticus gills. Our results are important in understanding the physiological and immune responses of fish gills at the cellular resolution.
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Affiliation(s)
- Siwen Zheng
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China
| | - Wen-Xiong Wang
- School of Energy and Environment and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, China.
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37
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Wu C, Mao J, Wang X, Yang R, Wang C, Li C, Zhou X. Advances in treatment strategies based on scavenging reactive oxygen species of nanoparticles for atherosclerosis. J Nanobiotechnology 2023; 21:271. [PMID: 37592345 PMCID: PMC10433664 DOI: 10.1186/s12951-023-02058-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/09/2023] [Indexed: 08/19/2023] Open
Abstract
The development of atherosclerosis (AS) is closely linked to changes in the plaque microenvironment, which consists primarily of the cells that form plaque and the associated factors they secrete. The onset of inflammation, lipid deposition, and various pathological changes in cellular metabolism that accompany the plaque microenvironment will promote the development of AS. Numerous studies have shown that oxidative stress is an important condition that promotes AS. The accumulation of reactive oxygen species (ROS) is oxidative stress's most important pathological change. In turn, the effects of ROS on the plaque microenvironment are complex and varied, and these effects are ultimately reflected in the promotion or inhibition of AS. This article reviews the effects of ROS on the microenvironment of atherosclerotic plaques and their impact on disease progression over the past five years and focuses on the progress of treatment strategies based on scavenging ROS of nanoparticles for AS. Finally, we also discuss the prospects and challenges of AS treatment.
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Affiliation(s)
- Chengxi Wu
- Department of Thyroid and Vascular Surgery, the Affiliated Hospital of Southwest Medical University, No. 25, Taiping Street, Luzhou, Sichuan, 646000, China
| | - Jingying Mao
- Department of Thyroid and Vascular Surgery, the Affiliated Hospital of Southwest Medical University, No. 25, Taiping Street, Luzhou, Sichuan, 646000, China
| | - Xueqin Wang
- Department of Thyroid Surgery, people's Hospital of Deyang, Deyang, Sichuan, 618000, China
| | - Ronghao Yang
- Department of Thyroid and Vascular Surgery, the Affiliated Hospital of Southwest Medical University, No. 25, Taiping Street, Luzhou, Sichuan, 646000, China
| | - Chenglong Wang
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 1-1 Xianglin Road, Luzhou, Sichuan, 646000, China
| | - Chunhong Li
- Department of Pharmaceutical Sciences, School of Pharmacy, Southwest Medical University, 1-1 Xianglin Road, Luzhou, Sichuan, 646000, China.
| | - Xiangyu Zhou
- Department of Thyroid and Vascular Surgery, the Affiliated Hospital of Southwest Medical University, No. 25, Taiping Street, Luzhou, Sichuan, 646000, China.
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Miceli C, Leri M, Stefani M, Bucciantini M. Autophagy-related proteins: Potential diagnostic and prognostic biomarkers of aging-related diseases. Ageing Res Rev 2023; 89:101967. [PMID: 37270146 DOI: 10.1016/j.arr.2023.101967] [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: 03/16/2023] [Revised: 05/19/2023] [Accepted: 05/31/2023] [Indexed: 06/05/2023]
Abstract
Autophagy plays a key role in cellular, tissue and organismal homeostasis and in the production of the energy load needed at critical times during development and in response to nutrient shortage. Autophagy is generally considered as a pro-survival mechanism, although its deregulation has been linked to non-apoptotic cell death. Autophagy efficiency declines with age, thus contributing to many different pathophysiological conditions, such as cancer, cardiomyopathy, diabetes, liver disease, autoimmune diseases, infections, and neurodegeneration. Accordingly, it has been proposed that the maintenance of a proper autophagic activity contributes to the extension of the lifespan in different organisms. A better understanding of the interplay between autophagy and risk of age-related pathologies is important to propose nutritional and life-style habits favouring disease prevention as well as possible clinical applications aimed at promoting long-term health.
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Affiliation(s)
- Caterina Miceli
- Telethon Institute of Genetics and Medicine (TIGEM), Naples, Italy
| | - Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Massimo Stefani
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy.
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Wei KH, Lin IT, Chowdhury K, Lim KL, Liu KT, Ko TM, Chang YM, Yang KC, Lai SL(B. Comparative single-cell profiling reveals distinct cardiac resident macrophages essential for zebrafish heart regeneration. eLife 2023; 12:e84679. [PMID: 37498060 PMCID: PMC10411971 DOI: 10.7554/elife.84679] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 07/26/2023] [Indexed: 07/28/2023] Open
Abstract
Zebrafish exhibit a robust ability to regenerate their hearts following injury, and the immune system plays a key role in this process. We previously showed that delaying macrophage recruitment by clodronate liposome (-1d_CL, macrophage-delayed model) impairs neutrophil resolution and heart regeneration, even when the infiltrating macrophage number was restored within the first week post injury (Lai et al., 2017). It is thus intriguing to learn the regenerative macrophage property by comparing these late macrophages vs. control macrophages during cardiac repair. Here, we further investigate the mechanistic insights of heart regeneration by comparing the non-regenerative macrophage-delayed model with regenerative controls. Temporal RNAseq analyses revealed that -1d_CL treatment led to disrupted inflammatory resolution, reactive oxygen species homeostasis, and energy metabolism during cardiac repair. Comparative single-cell RNAseq profiling of inflammatory cells from regenerative vs. non-regenerative hearts further identified heterogeneous macrophages and neutrophils, showing alternative activation and cellular crosstalk leading to neutrophil retention and chronic inflammation. Among macrophages, two residential subpopulations (hbaa+ Mac and timp4.3+ Mac 3) were enriched only in regenerative hearts and barely recovered after +1d_CL treatment. To deplete the resident macrophage without delaying the circulating macrophage recruitment, we established the resident macrophage-deficient model by administrating CL earlier at 8 d (-8d_CL) before cryoinjury. Strikingly, resident macrophage-deficient zebrafish still exhibited defects in revascularization, cardiomyocyte survival, debris clearance, and extracellular matrix remodeling/scar resolution without functional compensation from the circulating/monocyte-derived macrophages. Our results characterized the diverse function and interaction between inflammatory cells and identified unique resident macrophages prerequisite for zebrafish heart regeneration.
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Affiliation(s)
- Ke-Hsuan Wei
- Graduate Institute of Life Sciences, National Defense Medical CenterTaipeiTaiwan
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - I-Ting Lin
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - Kaushik Chowdhury
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Khai Lone Lim
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Kuan-Ting Liu
- Department of Biological Science & Technology, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Tai-Ming Ko
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Department of Biological Science & Technology, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Yao-Ming Chang
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - Kai-Chien Yang
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Department and Graduate Institute of Pharmacology, National Taiwan University College of MedicineTaipeiTaiwan
| | - Shih-Lei (Ben) Lai
- Graduate Institute of Life Sciences, National Defense Medical CenterTaipeiTaiwan
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
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Stanca L, Geicu OI, Serban AI, Dinischiotu A. Interplay of Oxidative Stress, Inflammation, and Autophagy in RAW 264.7 Murine Macrophage Cell Line Challenged with Si/SiO 2 Quantum Dots. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5083. [PMID: 37512357 PMCID: PMC10385521 DOI: 10.3390/ma16145083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/07/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023]
Abstract
Quantum dots (QDs) with photostable fluorescence are recommended for imaging applications; however, their effect on living cells is incompletely understood. We aimed to elucidate the RAW 264.7 murine macrophage cell line's response to the Si/SiO2 QDs challenge. Cells were exposed to 5 and 15 μg/mL Si/SiO2 QDs for 6 h, 12 h, and 24 h. Cell metabolic activity and viability were assessed by MTT, live/dead, and dye-exclusion assays. Oxidative stress and membrane integrity were assessed by anion superoxide, malondialdehyde, and lactate dehydrogenase activity evaluations. Antioxidative enzyme activities were analyzed by kinetic spectrophotometric methods. Cytokines were analyzed with an antibody-based magnetic bead assay, PGE2 was assessed by ELISA, and Nrf-2, Bcl-2, Beclin 1, and the HSPs were analyzed by western blot. Autophagy levels were highlighted by fluorescence microscopy. The average IC50 dose for 6, 12, and 24 h was 16.1 ± 0.7 μg/mL. Although glutathione S-transferase and catalase were still upregulated after 24 h, superoxide dismutase was inhibited, which together allowed the gradual increase of malondialdehyde, anion superoxide, nitric oxide, and the loss of membrane integrity. G-CSF, IL-6, TNF-α, MIP-1β, MCP-1, Nrf-2, PGE2, and RANTES levels, as well as autophagy processes, were increased at all time intervals, as opposed to caspase 1 activity, COX-2, HSP60, and HSP70, which were only upregulated at the 6-h exposure interval. These results underscore that Si/SiO2 QDs possess significant immunotoxic effects on the RAW 264.7 macrophage cell line and stress the importance of developing effective strategies to mitigate their adverse impact.
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Affiliation(s)
- Loredana Stanca
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Ovidiu Ionut Geicu
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Andreea Iren Serban
- Preclinical Sciences Department, Faculty of Veterinary Medicine, University of Agronomical Sciences and Veterinary Medicine Bucharest, 105 Splaiul Independentei, 050097 Bucharest, Romania
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
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Chen M, Menon MC, Wang W, Fu J, Yi Z, Sun Z, Liu J, Li Z, Mou L, Banu K, Lee SW, Dai Y, Anandakrishnan N, Azeloglu EU, Lee K, Zhang W, Das B, He JC, Wei C. HCK induces macrophage activation to promote renal inflammation and fibrosis via suppression of autophagy. Nat Commun 2023; 14:4297. [PMID: 37463911 PMCID: PMC10354075 DOI: 10.1038/s41467-023-40086-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 07/12/2023] [Indexed: 07/20/2023] Open
Abstract
Renal inflammation and fibrosis are the common pathways leading to progressive chronic kidney disease (CKD). We previously identified hematopoietic cell kinase (HCK) as upregulated in human chronic allograft injury promoting kidney fibrosis; however, the cellular source and molecular mechanisms are unclear. Here, using immunostaining and single cell sequencing data, we show that HCK expression is highly enriched in pro-inflammatory macrophages in diseased kidneys. HCK-knockout (KO) or HCK-inhibitor decreases macrophage M1-like pro-inflammatory polarization, proliferation, and migration in RAW264.7 cells and bone marrow-derived macrophages (BMDM). We identify an interaction between HCK and ATG2A and CBL, two autophagy-related proteins, inhibiting autophagy flux in macrophages. In vivo, both global or myeloid cell specific HCK-KO attenuates renal inflammation and fibrosis with reduces macrophage numbers, pro-inflammatory polarization and migration into unilateral ureteral obstruction (UUO) kidneys and unilateral ischemia reperfusion injury (IRI) models. Finally, we developed a selective boron containing HCK inhibitor which can reduce macrophage pro-inflammatory activity, proliferation, and migration in vitro, and attenuate kidney fibrosis in the UUO mice. The current study elucidates mechanisms downstream of HCK regulating macrophage activation and polarization via autophagy in CKD and identifies that selective HCK inhibitors could be potentially developed as a new therapy for renal fibrosis.
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Affiliation(s)
- Man Chen
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Critical Care Medicine, Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan, China
- Department of Critical Care Medicine, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Madhav C Menon
- Division of Nephrology, Yale School of Medicine, New Haven, CT, USA
| | - Wenlin Wang
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jia Fu
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Zhengzi Yi
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Zeguo Sun
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jessica Liu
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Zhengzhe Li
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lingyun Mou
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Khadija Banu
- Division of Nephrology, Yale School of Medicine, New Haven, CT, USA
| | - Sui-Wan Lee
- Center for Comparative Medicine and Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ying Dai
- Center for Comparative Medicine and Surgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nanditha Anandakrishnan
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Evren U Azeloglu
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kyung Lee
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Weijia Zhang
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Bhaskar Das
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY, USA.
| | - John Cijiang He
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Renal Section, James J. Peters VAMC, Bronx, NY, USA.
| | - Chengguo Wei
- Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Gao Y, Xu X, Zhang X. Targeting different phenotypes of macrophages: A potential strategy for natural products to treat inflammatory bone and joint diseases. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 118:154952. [PMID: 37506402 DOI: 10.1016/j.phymed.2023.154952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/27/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023]
Abstract
BACKGROUND Macrophages, a key class of immune cells, have a dual role in inflammatory responses, switching between anti-inflammatory M2 and pro-inflammatory M1 subtypes depending on the specific environment. Greater numbers of M1 macrophages correlate with increased production of inflammatory chemicals, decreased osteogenic potential, and eventually bone and joint disorders. Therefore, reversing M1 macrophages polarization is advantageous for lowering inflammatory factors. To better treat inflammatory bone disorders in the future, it may be helpful to gain insight into the specific mechanisms and natural products that modulate macrophage polarization. OBJECTIVE This review examines the impact of programmed cell death and different cells in the bone microenvironment on macrophage polarization, as well as the effects of natural products on the various phenotypes of macrophages, in order to suggest some possibilities for the treatment of inflammatory osteoarthritic disorders. METHODS Using 'macrophage polarization,' 'M1 macrophage' 'M2 macrophage' 'osteoporosis,' 'osteonecrosis of femoral head,' 'osteolysis,' 'gouty arthritis,' 'collagen-induced arthritis,' 'freund's adjuvant-induced arthritis,' 'adjuvant arthritis,' and 'rheumatoid arthritis' as search terms, the relevant literature was searched using the PubMed, the Cochrane Library and Web of Science databases. RESULTS Targeting macrophages through different signaling pathways has become a key mechanism for the treatment of inflammatory bone and joint diseases, including HIF-1α, NF-κB, AKT/mTOR, JAK1/2-STAT1, NF-κB, JNK, ERK, p-38α/β, p38/MAPK, PI3K/AKT, AMPK, AMPK/Sirt1, STAT TLR4/NF-κB, TLR4/NLRP3, NAMPT pathway, as well as the programmed cell death autophagy, pyroptosis and ERS. CONCLUSION As a result of a search of databases, we have summarized the available experimental and clinical evidence supporting herbal products as potential treatment agents for inflammatory osteoarthropathy. In this paper, we outline the various modulatory effects of natural substances targeting macrophages in various diseases, which may provide insight into drug options and directions for future clinical trials. In spite of this, more mechanistic studies on natural substances, as well as pharmacological, toxicological, and clinical studies are required.
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Affiliation(s)
- Yuhe Gao
- Graduate School, Heilongjiang University of Chinese Medicine, 24 Heping Road, Xiangfang District, Harbin, Heilongjiang 150040, China
| | - Xilin Xu
- The Third Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150000, China.
| | - Xiaofeng Zhang
- Teaching and Research Section of Orthopedics and Traumatology, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150000, China.
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Yan Q, Shi S, Ge Y, Wan S, Li M, Li M. Nanoparticles of Cerium-Doped Zeolitic Imidazolate Framework-8 Promote Soft Tissue Integration by Reprogramming the Metabolic Pathways of Macrophages. ACS Biomater Sci Eng 2023; 9:4241-4254. [PMID: 37290028 PMCID: PMC10337665 DOI: 10.1021/acsbiomaterials.3c00508] [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: 04/18/2023] [Accepted: 05/31/2023] [Indexed: 06/10/2023]
Abstract
Soft tissue integration around the abutment of implants is the basis of long-term retention of implants. Macrophages are an important component involved in the repair of soft tissue due to their crucial role in improving the biological structure of connective tissues by regulating the fiber synthesis, adhesion, and contraction of gingival fibroblasts. Recent studies have illustrated that cerium-doped zeolitic imidazolate framework-8 (Ce@ZIF-8) nanoparticles (NPs) can attenuate periodontitis via both antibacterial and anti-inflammatory effects. However, the effect of Ce@ZIF-8 NPs on soft tissue integration around the abutment is unknown. Herein, we first prepared Ce@ZIF-8 NPs by a one-pot synthesis. Then, we probed the regulatory effect of Ce@ZIF-8 NPs on macrophage polarization, and further experiments were performed to study the changes of fiber synthesis as well as adhesion and contraction of fibroblasts in the M2 macrophage environment stimulated by Ce@ZIF-8 NPs. Strikingly, Ce@ZIF-8 NPs can be internalized by M1 macrophages through macropinocytosis and caveolae-mediated endocytosis in addition to phagocytosis. By catalyzing hydrogen peroxide to produce oxygen, the mitochondrial function was remedied, while hypoxia inducible factor-1α was restrained. Then, macrophages were shifted from the M1 to M2 phenotype via this metabolic reprogramming pathway, provoking soft tissue integration. These results provide innovative insights into facilitating soft tissue integration around implants.
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Affiliation(s)
- Qiqian Yan
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
| | - Shanwei Shi
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
| | - Yang Ge
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
| | - Shuangquan Wan
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
| | - Mingfei Li
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
| | - Maoquan Li
- Stomatological
Hospital, School of Stomatology, Southern
Medical University, Guangzhou 510280, China
- Guangdong
Academy of Stomatology, Guangzhou 510180, China
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Koç A, Guney I, Kızılarslanoglu M, Gonulalan G, Deniz C, Saçkan F, Ergül F, Sözen M. EVALUATION OF THE ASSOCIATION OF PLASMA PENTRAXIN-3 LEVELS WITH CAROTID INTIMA-MEDIA THICKNESS AND HIGH-SENSITIVE CRP IN PATIENTS WITH SUBCLINICAL HYPOTHYROIDISM. ACTA ENDOCRINOLOGICA (BUCHAREST, ROMANIA : 2005) 2023; 19:286-291. [PMID: 38356983 PMCID: PMC10863954 DOI: 10.4183/aeb.2023.286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Context Inflammation-related markers may predict cardiovascular diseases. Objective In this study, it was aimed to assess pentraxin-3 (PTX-3) levels and its relationship with carotid intima-media thickness (CIMT) and high-sensitive C-reactive protein (hsCRP) in patients with subclinical hypothyroidism. Design Prospective cross-sectional study. Methods This study included 60 patients (aged 30-60 years) with subclinical hypothyroidism and 30 healthy volunteers as controls. The demographic characteristics and anthropometric measurements were performed in all patients and controls. In addition, sonographic carotid artery examination, thyroid functional tests, lipid profile, hsCRP, and PTX-3 levels of the participants were investigated. Results The PTX-3, hsCRP levels and CIMT were higher in patients with subclinical hypothyroidism when compared to controls (p=0.008, p=0.001, p<0.001, respectively). The PTX-3 level was strongly correlated with hsCRP (r=0.865; p<0.001), but no such correlation was detected with CIMT (r=-0.255; p=0.50). In binominal logistic regression analysis, it was found that CIMT and serum uric acid levels were independent parameters associated with subclinical hypothyroidism. In ROC analysis, a cut-off value of >3.75 ng/mL for serum PTX-3 level predicted subclinical hypothyroidism with a sensitivity of 60% and specificity of 60.7% (AUC: 0.672, p=0.004). Conclusion Showing inflammation and endothelial dysfunction, the PTX-3 may be a helpful marker in patients with subclinical hypothyroidism associated with increased risk for cardiovascular disease.
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Affiliation(s)
- A. Koç
- Dept. of Internal Medicine, Akşehir State Hospital, Konya, Turkey
| | - I. Guney
- Dept. of Nephrology, Konya City Hospital, Konya, Turkey
| | | | - G. Gonulalan
- Dept. of Endocrinology and Metabolism, Medicana Konya Hospital, Konya, Turkey
| | - C.D. Deniz
- Dept. of Biochemistry, Konya City Hospital, Konya, Turkey
| | - F. Saçkan
- Dept. of Internal Medicine, Konya City Hospital, Konya, Turkey
| | - F. Ergül
- Dept. of Internal Medicine, Konya City Hospital, Konya, Turkey
| | - M. Sözen
- Dept. of Endocrinology and Metabolism, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
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Wang S, Wang P, Thompson R, Ostrikov K, Xiao Y, Zhou Y. Plasma-activated medium triggers immunomodulation and autophagic activity for periodontal regeneration. Bioeng Transl Med 2023; 8:e10528. [PMID: 37476066 PMCID: PMC10354773 DOI: 10.1002/btm2.10528] [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: 01/30/2023] [Revised: 03/29/2023] [Accepted: 04/16/2023] [Indexed: 07/22/2023] Open
Abstract
Periodontitis is an infection-induced inflammation, evidenced by an increase in inflammatory macrophage infiltration. Recent research has highlighted the role of plasma-activated medium (PAM) as a regulator of the innate immune system, where macrophages are the main effector cells. This study therefore aims to investigate the immunomodulatory effects of PAM on macrophages and its potential applications for periodontitis management. PAM was generated using an argon jet and applied to culture macrophages. Proinflammatory macrophage markers were significantly reduced after PAM stimulation, and this was correlated with the activation of autophagy via the Akt signaling pathway. Further investigations on the proregenerative effects of PAM-treated macrophages on periodontal ligament cells (PDLCs) revealed a significant increase in the expression of osteogeneis/cementogenesis-associated markers as well as mineralization nodule formation. Our findings suggest that PAM is an excellent candidate for periodontal therapeutic applications.
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Affiliation(s)
- Shengfang Wang
- Centre for Biomedical TechnologiesQueensland University of TechnologyBrisbaneQueenslandAustralia
- State Key Laboratory of Cellular Stress Biology, School of Life ScienceXiamen UniversityXiamenChina
| | - Peiyu Wang
- School of Biomedical SciencesQueensland University of TechnologyBrisbaneQueenslandAustralia
- Translational Research InstituteWoolloongabbaQueenslandAustralia
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public HealthXiamen UniversityXiamenChina
| | - Rik Thompson
- School of Biomedical SciencesQueensland University of TechnologyBrisbaneQueenslandAustralia
- Translational Research InstituteWoolloongabbaQueenslandAustralia
| | - Kostya Ostrikov
- Centre for Biomedical TechnologiesQueensland University of TechnologyBrisbaneQueenslandAustralia
- Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueenslandAustralia
- School of Chemistry and Physics, Faculty of ScienceQueensland University of TechnologyBrisbaneQueenslandAustralia
| | - Yin Xiao
- School of Medicine and DentistryGriffith UniversityGold CoastQueenslandAustralia
| | - Yinghong Zhou
- School of Dentistry, Faculty of Health and Behavioural SciencesThe University of QueenslandBrisbaneQueenslandAustralia
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Oliveira BTM, Dourado TMH, Santos PWS, Bitencourt TA, Tirapelli CR, Colombo AL, Almeida F. Extracellular Vesicles from Candida haemulonii var. vulnera Modulate Macrophage Oxidative Burst. J Fungi (Basel) 2023; 9:jof9050562. [PMID: 37233272 DOI: 10.3390/jof9050562] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/27/2023] Open
Abstract
Members of the Candida haemulonii species complex are multidrug-resistant emergent yeast pathogens able to cause superficial and invasive infections in risk populations. Fungal extracellular vesicles (EVs) play a critical role in the pathogenicity and virulence of several species and may perform essential functions during infections, such as carrying virulence factors that behave in two-way communications with the host, affecting survival and fungal resistance. Our study aimed to describe EV production from Candida haemulonii var. vulnera and evaluate whether murine macrophage RAW 264.7 cells respond to their stimuli by generating an oxidative response after 24 h. For this purpose, reactive oxygen species detection assays demonstrated that high concentrations of yeast and EVs (1010 particles/mL) of Candida haemulonii did not change macrophage viability. However, the macrophages recognized these EVs and triggered an oxidative response through the classical NOX-2 pathway, increasing O2•- and H2O2 levels. However, this stress did not cause lipid peroxidation in the RAW 264.7 cells and neither lead to the activation of the COX-2-PGE2 pathway. Thus, our data suggest that low concentrations of C. haemulonii EVs are not recognized by the classical pathway of the oxidative burst generated by macrophages, which might be an advantage allowing the transport of virulence factors via EVs, not identified by the host immune system that could work as fine tube regulators during infections caused by C. haemulonii. In contrast, C. haemulonii var. vulnera and high EV concentrations activated microbicidal actions in macrophages. Therefore, we propose that EVs could participate in the virulence of the species and that these particles could be a source of antigens to be exploited as new therapeutic targets.
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Affiliation(s)
- Bianca T M Oliveira
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Thales M H Dourado
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Patrick W S Santos
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Tamires A Bitencourt
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Carlos R Tirapelli
- Laboratory of Pharmacology, Department of Psychiatric Nursing and Human Sciences, College of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-902, SP, Brazil
| | - Arnaldo L Colombo
- Special Laboratory of Mycology, Universidade Federal de São Paulo, São Paulo 04023-062, SP, Brazil
| | - Fausto Almeida
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
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Luo G, Liu B, Fu T, Liu Y, Li B, Li N, Geng Q. The Role of Histone Deacetylases in Acute Lung Injury-Friend or Foe. Int J Mol Sci 2023; 24:ijms24097876. [PMID: 37175583 PMCID: PMC10178380 DOI: 10.3390/ijms24097876] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/04/2023] [Accepted: 04/14/2023] [Indexed: 05/15/2023] Open
Abstract
Acute lung injury (ALI), caused by intrapulmonary or extrapulmonary factors such as pneumonia, shock, and sepsis, eventually disrupts the alveolar-capillary barrier, resulting in diffuse pulmonary oedema and microatasis, manifested by refractory hypoxemia, and respiratory distress. Not only is ALI highly lethal, but even if a patient survives, there are also multiple sequelae. Currently, there is no better treatment than supportive care, and we urgently need to find new targets to improve ALI. Histone deacetylases (HDACs) are epigenetically important enzymes that, together with histone acetylases (HATs), regulate the acetylation levels of histones and non-histones. While HDAC inhibitors (HDACis) play a therapeutic role in cancer, inflammatory, and neurodegenerative diseases, there is also a large body of evidence suggesting the potential of HDACs as therapeutic targets in ALI. This review explores the unique mechanisms of HDACs in different cell types of ALI, including macrophages, pulmonary vascular endothelial cells (VECs), alveolar epithelial cells (AECs), and neutrophils.
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Affiliation(s)
- Guoqing Luo
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Bohao Liu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Tinglv Fu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yi Liu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Boyang Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ning Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Qing Geng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
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Valverde AM, Naqvi RA, Naqvi AR. Global Profiling of Differentiating Macrophages Identifies Novel Functional Long Non-coding RNAs Regulating Polarization and Innate Immune Responses. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.09.536159. [PMID: 37066353 PMCID: PMC10104173 DOI: 10.1101/2023.04.09.536159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Macrophages (Mφ) are functionally dynamic immune cells that bridge innate and adaptive immune responses. However, the underlying epigenetic mechanisms that control the macrophage plasticity and innate immune functions are not well-elucidated. Here we performed transcriptome profiling of differentiating M1Mφ and M2Mφ and identified thousands of previously known and novel lncRNAs. We characterized three Mφ-enriched lncRNAs (LRRC75A-As1, GAPLINC and AL139099.5) with novel functions in Mφ differentiation, polarization and innate immunity. Knockdown of LRRC75A-As1, and GAPLINC downregulated Mφ differentiation markers CDw93 and CD68, and skewed macrophage polarization by decreasing M1 markers but had no significant impact on M2 markers. LRRC75A-As1, and GAPLINC RNAi in Mφ attenuated bacterial phagocytosis, antigen processing and inflammatory cytokine secretion supporting their functional role in potentiating innate immune functions. Mechanistically, lncRNA knockdown perturbed the expression of multiple cytoskeleton signaling thereby impairing Mφ migration suggesting their critical role in regulating macrophage polarity and motility. Together, our results show that Mφ acquire a unique repertoire of lncRNAs to shape differentiation, polarization and innate immune functions.
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Kong X, Chen H, Li F, Zhang F, Jiang Y, Song J, Sun Y, Zhao B, Shi J. Three-dimension chitosan hydrogel loading melanin composite nanoparticles for wound healing by anti-bacteria, immune activation and macrophage autophagy promotion. Int J Biol Macromol 2023; 237:124176. [PMID: 37023589 DOI: 10.1016/j.ijbiomac.2023.124176] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 04/08/2023]
Abstract
Application of Combined photodynamic therapy (PDT) and photothermal therapy (PTT) has become one of the most promising strategy to replace antibiotics and avoid the epidemic of drug-resistant strains during wound healing. However, high amount of reactive oxygen species (ROS) and high temperature cause severe stress response to normal tissues, leading to potential risks of wound healing. Herein, a three-dimension chitosan hydrogel melanin-glycine-C60 nanoparticles (MGC NPs) were prepared to realized effective anti-bacterial activity, immune activation and macrophage autophagy promotion in three-dimensional wound space without triggering stress response. MGC NP is a composite polymer material composed of natural melanin polymer, oligopeptide and carbon-based material, which showed excellent biological safety. By regulating the peptide length between melanin and C60 and nanoparticle content, a high ROS/heat environment at the upper wound site and a low ROS/heat environment at the lower region adjacent to the wound tissue were established to obtain a three-dimension hydrogel with precise PDT and PTT efficiency in different regions. Highly effective PDT/PTT was used to kill microorganisms in upper region, thus providing a barrier to reduce microbial infection. Mild PDT/PTT in lower region promoted the polarization of M1 macrophage to M2 macrophage and activated autophagy of M2 macrophages, regulating the immune microenvironment and promoting wound repair. In conclusion, the novel three-dimensional PDT/PTT therapy based on natural macromolecules proposed in this study accelerates wound healing through dual pathways on the premise of avoiding wound stress response, which is of great significance for the development of clinical strategies for phototherapy.
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Affiliation(s)
- Xiaoying Kong
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Haoyu Chen
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Fuqiang Li
- Department of Physics, Pukyong National University, Busan 48513, South Korea
| | - Fenglan Zhang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Yuping Jiang
- School of medicine and pharmacy, Ocean University of China, No. 5 Yushan road, Qingdao, China
| | - Junyao Song
- Bassars college of future agricultural science and technology, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China
| | - Yuanliang Sun
- Department of Spine Surgery, Affiliated Hospital of Qingdao University, No. 16 Jiangsu road, Qingdao, China.
| | - Bin Zhao
- Qingdao Shenkang Stem Cell Biotechnology Co., Ltd, Qingdao, China.
| | - Jinsheng Shi
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, No. 700 Changcheng Road, Qingdao, China; Department of public course teaching, University of Health and Rehabilitation Sciences, Oingdao, China.
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Song L, Xiong D, Wen Y, Tan R, Kang X, Jiao X, Pan Z. Transcriptome Sequencing Reveals Salmonella Flagellin Activation of Interferon-β-Related Immune Responses in Macrophages. Curr Issues Mol Biol 2023; 45:2798-2816. [PMID: 37185707 PMCID: PMC10136974 DOI: 10.3390/cimb45040183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
The flagellin (FliC) of Salmonella typhimurium is a potential vaccine adjuvant as it can activate innate immunity and promote acquired immune responses. Macrophages are an important component of the innate immune system. The mechanism of flagellin’s adjuvant activity has been shown to be related to its ability to activate macrophages. However, few studies have comprehensively investigated the effects of Salmonella flagellin in macrophages using transcriptome sequencing. In this study, RNA-Seq was used to analyze the expression patterns of RAW264.7 macrophages induced by FliC to identify novel transcriptomic signatures in macrophages. A total of 2204 differentially expressed genes were found in the FliC-treated group compared with the control. Gene ontology and KEGG pathway analyses identified the top significantly regulated functional classification and canonical pathways, which were mainly related to immune responses and regulation. Inflammatory cytokines (IL-6, IL-1β, TNF-α, etc.) and chemokines (CXCL2, CXCL10, CCL2, etc.) were highly expressed in RAW264.7 cells following stimulation. Notably, flagellin significantly increased the expression of interferon (IFN)-β. In addition, previously unidentified IFN regulatory factors (IRFs) and IFN-stimulated genes (ISGs) were also significantly upregulated. The results of RNA-Seq were verified, and furthermore, we demonstrated that flagellin increased the expression of IFN-β and IFN-related genes (IRFs and ISGs) in bone marrow-derived dendritic cells and macrophages. These results suggested that Salmonella flagellin can activate IFN-β-related immune responses in macrophages, which provides new insight into the immune mechanisms of flagellin adjuvant.
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