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Xia L, Jiang JH, Liu JY, Zhang TY, Dong YX, Liu QH, Chai YF, Liu YC, Shou ST. H-151 attenuates lipopolysaccharide-induced acute kidney injury by inhibiting the STING-TBK1 pathway. Ren Fail 2024; 46:2363591. [PMID: 38856314 PMCID: PMC11168233 DOI: 10.1080/0886022x.2024.2363591] [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: 12/21/2023] [Accepted: 05/30/2024] [Indexed: 06/11/2024] Open
Abstract
Sepsis is a severe systemic infectious disease that often leads to multi-organ dysfunction. One of the common and serious complications of sepsis is renal injury. In this study, we aimed to investigate the potential mechanistic role of a novel compound called H-151 in septic kidney injury. We also examined its impact on renal function and mouse survival rates. Initially, we confirmed abnormal activation of the STING-TBK1 signaling pathway in the kidneys of septic mice. Subsequently, we treated the mice with H-151 and observed significant improvement in sepsis-induced renal dysfunction. This was evidenced by reductions in blood creatinine and urea nitrogen levels, as well as a marked decrease in inflammatory cytokine levels. Furthermore, H-151 substantially improved the seven-day survival rate of septic mice, indicating its therapeutic potential. Importantly, H-151 also exhibited an inhibitory effect on renal apoptosis levels, further highlighting its mechanism of protecting against septic kidney injury. These study findings not only offer new insights into the treatment of septic renal injury but also provide crucial clues for further investigations into the regulatory mechanisms of the STING-TBK1 signaling pathway and potential drug targets.
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Affiliation(s)
- Lei Xia
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Jia-hui Jiang
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Jie-yu Liu
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Tian-yi Zhang
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Yu-xin Dong
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Qi-hui Liu
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan-Fen Chai
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Yan-cun Liu
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Song-tao Shou
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, China
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Shao A, Jin L, Ge Y, Ye Z, Xu M, Zhou Y, Li Y, Wang L, Xu P, Jin K, Mao Z, Ye J. C176-loaded and phosphatidylserine-modified nanoparticles treat retinal neovascularization by promoting M2 macrophage polarization. Bioact Mater 2024; 39:392-405. [PMID: 38855060 PMCID: PMC11157223 DOI: 10.1016/j.bioactmat.2024.05.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/08/2024] [Accepted: 05/25/2024] [Indexed: 06/11/2024] Open
Abstract
Retinal neovascularization (RNV), a typical pathological manifestation involved in most neovascular diseases, causes retinal detachment, vision loss, and ultimately irreversible blindness. Repeated intravitreal injections of anti-VEGF drugs were developed against RNV, with limitations of incomplete responses and adverse effects. Therefore, a new treatment with a better curative effect and more prolonged dosage is demanding. Here, we induced macrophage polarization to anti-inflammatory M2 phenotype by inhibiting cGAS-STING signaling with an antagonist C176, appreciating the role of cGAS-STING signaling in the retina in pro-inflammatory M1 polarization. C176-loaded and phosphatidylserine-modified dendritic mesoporous silica nanoparticles were constructed and examined by a single intravitreal injection. The biosafe nanoparticles were phagocytosed by retinal macrophages through a phosphatidylserine-mediated "eat me" signal, which persistently release C176 to suppress STING signaling and thereby promote macrophage M2 polarization specifically. A single dosage can effectively alleviate pathological angiogenesis phenotypes in murine oxygen-induced retinopathy models. In conclusion, these C176-loaded nanoparticles with enhanced cell uptake and long-lasting STING inhibition effects might serve as a promising way for treating RNV.
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Affiliation(s)
- An Shao
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Lulu Jin
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yanni Ge
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Ziqiang Ye
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Mingyu Xu
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Yifan Zhou
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Yingyu Li
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Linyan Wang
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Pinglong Xu
- MOE Key Laboratory of Biosystems Homeostasis & Protection and Zhejiang Provincial Key Laboratory of Cancer Molecular Cell Biology, Life Sciences Institute, Zhejiang University, Hangzhou, 310030, China
| | - Kai Jin
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Zhengwei Mao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Juan Ye
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
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Zhang H, Ren K, Hu Y, Liu B, He Y, Xu H, Ma K, Tian W, Dai L, Zhao D. Neuritin promotes autophagic flux by inhibiting the cGAS-STING pathway to alleviate brain injury after subarachnoid haemorrhage. Brain Res 2024; 1836:148909. [PMID: 38570154 DOI: 10.1016/j.brainres.2024.148909] [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: 03/01/2024] [Accepted: 03/31/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Early brain injury (EBI) is closely associated with poor prognosis in patients with subarachnoid haemorrhage (SAH), with autophagy playing a pivotal role in EBI. However, research has shown that the stimulator of interferon genes (STING) pathway impacts autophagic flux. While the regulatory impact of neuritin on EBI and autophagic flux has been established previously, the underlying mechanism remains unclear. This study aimed to determine the role of the cGAS-STING pathway in neuritin-mediated regulation of autophagic flux following SAH. METHODS A SAH model was established in male Sprague-Dawley rats via intravascular perforation. Neuritin overexpressions using adeno-associated virus, the STING antagonist "C-176," and the activator, "CMA," were determined to investigate the cGAS-STING pathway's influence on autophagic flux and brain injury post-SAH, along with the neuritin's regulatory effect on STING. In this study, SAH grade, neurological score, haematoxylin and eosin (H&E) staining, brain water content (BWC), sandwich enzyme-linked immunosorbent assay, Evans blue staining, immunofluorescence staining, western blot analysis, and transmission electron microscopy (TEM) were examined. RESULTS Neuritin overexpression significantly ameliorated neurobehavioural scores, blood-brain barrier injury, brain oedema, and impaired autophagic flux in SAH-induced rats. STING expression remarkably increased post-SAH. C-176 and CMA mitigated and aggravated autophagic flux injury and brain injury, respectively, while inhibiting and enhancing STING, respectively. Particularly, CMA treatment nullified the protective effects of neuritin against autophagic flux and mitigated brain injury. CONCLUSION Neuritin alleviated EBI by restoring impaired autophagic flux after SAH through the regulation of the cGAS-STING pathway.
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Affiliation(s)
- Hao Zhang
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Kunhao Ren
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Youjie Hu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Bin Liu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Yaowen He
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Hui Xu
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Ketao Ma
- Shihezi University School of Medicine, Shihezi 832000, China
| | - Weidong Tian
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China
| | - Linzhi Dai
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China.
| | - Dong Zhao
- Department of Neurosurgery, the First Affiliated Hospital of Shihezi University, Shihezi 832000, China.
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Chang F, Gunderstofte C, Colussi N, Pitts M, Salvatore SR, Thielke AL, Turell L, Alvarez B, Goldbach-Mansky R, Villacorta L, Holm CK, Schopfer FJ, Hansen AL. Development of nitroalkene-based inhibitors to target STING-dependent inflammation. Redox Biol 2024; 74:103202. [PMID: 38865901 DOI: 10.1016/j.redox.2024.103202] [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: 04/18/2024] [Revised: 05/18/2024] [Accepted: 05/19/2024] [Indexed: 06/14/2024] Open
Abstract
Stimulator of Interferon Genes (STING) is essential for the inflammatory response to cytosolic DNA. Despite that aberrant activation of STING is linked to an increasing number of inflammatory diseases, the development of inhibitors has been challenging, with no compounds in the pipeline beyond the preclinical stage. We previously identified endogenous nitrated fatty acids as novel reversible STING inhibitors. With the aim of improving the specificity and efficacy of these compounds, we developed and tested a library of nitroalkene-based compounds for in vitro and in vivo STING inhibition. The structure-activity relationship study revealed a robustly improved electrophilicity and reduced degrees of freedom of nitroalkenes by conjugation with an aromatic moiety. The lead compounds CP-36 and CP-45, featuring a β-nitrostyrene moiety, potently inhibited STING activity in vitro and relieved STING-dependent inflammation in vivo. This validates the potential for nitroalkene compounds as drug candidates for STING modulation to treat STING-driven inflammatory diseases, providing new robust leads for preclinical development.
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Affiliation(s)
- Fei Chang
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | | | - Nicole Colussi
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Mareena Pitts
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, 30310, USA
| | - Sonia R Salvatore
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Anne L Thielke
- Department of Biomedicine, Aarhus University, 8000, Aarhus C, Denmark
| | - Lucia Turell
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo, 11400, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, 11800, Uruguay
| | - Beatriz Alvarez
- Laboratorio de Enzimología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo, 11400, Uruguay; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, 11800, Uruguay
| | - Raphaela Goldbach-Mansky
- Translational Autoinflammatory Disease Studies Unit, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD, 20850, USA
| | - Luis Villacorta
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, 30310, USA.
| | - Christian K Holm
- Department of Biomedicine, Aarhus University, 8000, Aarhus C, Denmark.
| | - Francisco J Schopfer
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA; Pittsburgh Heart, Lung, Blood, And Vascular Medicine Institute (VMI), Pittsburgh, PA, USA; Pittsburgh Liver Research Center (PLRC), Pittsburgh, PA, USA; Center for Metabolism and Mitochondrial Medicine (C3M), Pittsburgh, PA, USA.
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Zou J, Zheng Z, Ye W, Jin M, Yang P, Little PJ, Wang J, Liu Z. Targeting the smooth muscle cell KEAP1-Nrf2-STING axis with pterostilbene attenuates abdominal aortic aneurysm. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 130:155696. [PMID: 38763007 DOI: 10.1016/j.phymed.2024.155696] [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: 12/21/2023] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 05/21/2024]
Abstract
BACKGROUND Abdominal aortic aneurysm (AAA) is a life-threatening aortic disease, and to date, there are currently no effective pharmacological treatments to address this condition. Activation of cytosolic DNA sensing adaptor stimulator of interferon genes (STING) signaling is a crucial mechanism in AAA formation. PURPOSE This study investigated pterostilbene (Pt), a naturally occurring polyphenol and resveratrol analogue, as a STING inhibitor for preventing AAA. METHODS We evaluated the effect of Pt on AAA formation in angiotensin II (AngII)-infused apolipoprotein E-deficient (ApoE-/-) mice. We used histological analysis, MMP activity measurement, western blot, and immunohistochemistry to detect AAA formation and development. We applied RNA sequencing, molecular docking, cellular thermal shift assay (CETSA) and functional studies to dissect the molecular mechanism of Pt-regulating KEAP1-Nrf2-STING signaling. We conditionally knocked down Nrf2 in vascular smooth muscle cells (VSMCs) in vivo to investigate its role in Pt-mediated protective effects on AAA. RESULTS Pt effectively blocked the formation of AAA in AngII-infused ApoE-/- mice. Whole transcriptome sequencing analysis revealed that nuclear factor erythroid 2-related factor 2 (Nrf2) and STING pathway in VSMCs were linked to the anti-AAA effects of pterostilbene. Mechanistically, Pt upregulated Nrf2 target genes (e.g., HO-1 and NQO1) through activation of the KEAP1/Nrf2 signaling, which restricted the immunostimulatory axis of mtDNA-STING-TBK1-NF-κB, thereby alleviating VSMC inflammation and preserving the VSMC contractile phenotype. Subsequently, molecular docking and CETSA revealed a binding mode between Pt and KEAP1/Nrf2. Intriguingly, the inhibitory effect of Pt on STING signaling and the protective role of Pt in AAA were largely abrogated by VSMC-specific Nrf2 knockdown in mice. CONCLUSION Collectively, naturally derived Pt shows promising efficacy for the treatment of AAA by targeting the KEAP1-Nrf2-STING axis in VSMCs.
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Affiliation(s)
- Jiami Zou
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Zhihua Zheng
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Weile Ye
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Mei Jin
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Pinglian Yang
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Peter J Little
- School of Pharmacy, Pharmacy Australia Centre of Excellence, The University of Queensland, Woolloongabba, QLD 4102, Australia; Department of Pharmacy, Guangzhou Xinhua University, Guangzhou 510520, China
| | - Jiaojiao Wang
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, Dongguan, Guangdong, 523808, China.
| | - Zhiping Liu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou 510632, China.
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Mao HQ, Zhou L, Li JQ, Wen YH, Chen Z, Zhang L. STING inhibition alleviates bone resorption in apical periodontitis. Int Endod J 2024; 57:951-965. [PMID: 38411951 DOI: 10.1111/iej.14057] [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: 10/25/2023] [Revised: 02/03/2024] [Accepted: 02/18/2024] [Indexed: 02/28/2024]
Abstract
AIM The goal of this study was to investigate the potential effects of an immunotherapeutic drug targeting STING to suppress the overreactive innate immune response and relieve the bone defect in apical periodontitis. METHODOLOGY We established an apical periodontitis mouse model in Sting-/- and WT mice in vivo. The progression of apical periodontitis was analysed by micro-CT analysis and H&E staining. The expression level and localization of STING in F4/80+ cells were identified by IHC and immunofluorescence staining. RANKL in periapical tissues was tested by IHC staining. TRAP staining was used to detect osteoclasts. To clarify the effect of STING inhibitor C-176 as an immunotherapeutic drug, mice with apical periodontitis were treated with C-176 and the bone loss was identified by H&E, TRAP, RANKL staining and micro-CT. Bone marrow-derived macrophages (BMMs) were isolated from Sting-/- and WT mice and induced to osteoclasts in a lipopolysaccharide (LPS)-induced inflammatory environment in vitro. Moreover, WT BMMs were treated with C-176 to determine the effect on osteoclast differentiation by TRAP staining. The expression levels of osteoclast-related genes were tested using qRT-PCR. RESULTS Compared to WT mice, the bone resorption and inflammatory cell infiltration were reduced in exposed Sting-/- mice. In the exposed WT group, STING was activated mainly in F4/80+ macrophages. Histological staining revealed the less osteoclasts and lower expression of osteoclast-related factor RANKL in Sting-/- mice. The treatment of the STING inhibitor C-176 in an apical periodontitis mice model alleviated inflammation progression and bone loss, similar to the effect observed in Sting-/- mice. Expression of RANKL and osteoclast number in periapical tissues were also decreased after C-176 administration. In vitro, TRAP staining showed fewer positive cells and qRT-PCR reflected decreased expression of osteoclastic marker, Src and Acp5 were detected during osteoclastic differentiation in Sting-/- and C-176 treated BMMs. CONCLUSIONS STING was activated and was proven to be a positive factor in bone loss and osteoclastogenesis in apical periodontitis. The STING inhibitor C-176 administration could alleviate the bone loss via modulating local immune response, which provided immunotherapy to the treatment of apical periodontitis.
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Affiliation(s)
- Han-Qing Mao
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
| | - Lu Zhou
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
- Department of Cariology and Endodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jia-Qi Li
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
| | - Yuan-Hao Wen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
| | - Zhi Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
- Department of Cariology and Endodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Lu Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University
- Department of Cariology and Endodontics, School and Hospital of Stomatology, Wuhan University, Wuhan, China
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Zhao L, Li Y, Wang W, Qi X, Wang S, Song W, Li T, Gao W. Regulating NCOA4-Mediated Ferritinophagy for Therapeutic Intervention in Cerebral Ischemia-Reperfusion Injury. Neurochem Res 2024; 49:1806-1822. [PMID: 38713437 DOI: 10.1007/s11064-024-04146-4] [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: 09/24/2023] [Revised: 02/11/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
Ischemic stroke presents a global health challenge, necessitating an in-depth comprehension of its pathophysiology and therapeutic strategies. While reperfusion therapy salvages brain tissue, it also triggers detrimental cerebral ischemia-reperfusion injury (CIRI). In our investigation, we observed the activation of nuclear receptor coactivator 4 (NCOA4)-mediated ferritinophagy in an oxygen-glucose deprivation/reoxygenation (OGD/R) model using HT22 cells (P < 0.05). This activation contributed to oxidative stress (P < 0.05), enhanced autophagy (P < 0.05) and cell death (P < 0.05) during CIRI. Silencing NCOA4 effectively mitigated OGD/R-induced damage (P < 0.05). These findings suggested that targeting NCOA4-mediated ferritinophagy held promise for preventing and treating CIRI. Subsequently, we substantiated the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway effectively regulated the NCOA4-mediated ferritinophagy, by applying the cGAS inhibitor RU.521 and performing NCOA4 overexpression (P < 0.05). Suppressing the cGAS-STING pathway efficiently curtailed ferritinophagy (P < 0.05), oxidative stress (P < 0.05), and cell damage (P < 0.05) of CIRI, while NCOA4 overexpression could alleviate this effect (P < 0.05). Finally, we elucidated the specific molecular mechanism underlying the protective effect of the iron chelator deferoxamine (DFO) on CIRI. Our findings revealed that DFO alleviated hypoxia-reoxygenation injury in HT22 cells through inhibiting NCOA4-mediated ferritinophagy and reducing ferrous ion levels (P < 0.05). However, the protective effects of DFO were counteracted by cGAS overexpression (P < 0.05). In summary, our results indicated that the activation of the cGAS-STING pathway intensified cerebral damage during CIRI by inducing NCOA4-mediated ferritinophagy. Administering the iron chelator DFO effectively attenuated NCOA4-induced ferritinophagy, thereby alleviating CIRI. Nevertheless, the role of the cGAS-STING pathway in CIRI regulation likely involves intricate mechanisms, necessitating further validation in subsequent investigations.
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Affiliation(s)
- Lan Zhao
- Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yanan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Wei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xue Qi
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Su Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Wenqin Song
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Ting Li
- Department of Skin Medical Cosmetology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Wenwei Gao
- Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Kiraly P, Fischer MD. RETRACTED ARTICLE: Cystoid Macular Oedema in a Patient Treated with STING Agonist and Ezabenlimab for Disseminated Melanoma. Ophthalmol Ther 2024; 13:2061. [PMID: 38467992 PMCID: PMC11178736 DOI: 10.1007/s40123-024-00911-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 02/15/2024] [Indexed: 03/13/2024] Open
Affiliation(s)
- Peter Kiraly
- Oxford Eye Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom.
- Nuffield Laboratory of Ophthalmology, University of Oxford, Oxford, United Kingdom.
| | - M Dominik Fischer
- Oxford Eye Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
- Nuffield Laboratory of Ophthalmology, University of Oxford, Oxford, United Kingdom
- Centre for Ophthalmology, University Hospital Tübingen, Tübingen, Germany
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Zhang Q, Liu Z, Huang X, Heng X, Wu J, Chen Z, Guo X, Fan J, Huang Q. MDIVI-1 ALLEVIATES SEPSIS-INDUCED LIVER INJURY BY INHIBITING STING SIGNALING ACTIVATION. Shock 2024; 62:95-102. [PMID: 38526162 DOI: 10.1097/shk.0000000000002349] [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: 03/26/2024]
Abstract
ABSTRACT Proinflammatory hyperactivation of Kupffer cells (KCs) is foremost involved in the pathogenesis of sepsis-induced liver injury. Our previous study found that stimulator of interferon genes (STING) signaling was activated in KCs in response of lipopolysaccharide (LPS) and knocking down dynamin-related protein 1 (DRP1) in KCs effectively inhibited the activation of STING signaling and the subsequent production of proinflammatory cytokines. In this study, we demonstrated that in vivo treatment with mitochondrial division inhibitor 1 (Mdivi-1), a selective inhibitor of DRP1, alleviated cecal ligation and puncture (CLP)-induced liver injury with the improvement of liver pathology and function. Moreover, we found that STING in liver was mainly concentrated in KCs and STING signaling was significantly activated in KCs after CLP. The STING deficiency effectively ameliorated liver injury and decreased the mortality of septic mice, which were reversely worsened by the enhanced activation of STING with DMXAA. The further study showed that Mdivi-1 markedly attenuated STING signaling activation in KCs and inhibited systemic inflammatory response. Importantly, DMXAA application in CLP mice blunted Mdivi-1's liver protection effect. Taken together, our study confirmed Mdivi-1 effectively alleviated CLP-induced liver injury partially through inhibiting STING signaling activation in KCs, which provides new insights and a novel potential pharmacological therapeutic target for treating septic liver injury.
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Affiliation(s)
| | - Zhuanhua Liu
- Guangdong Provincial Key Lab of Cardiac Function and Microcirculation, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xiaoxia Huang
- Guangdong Provincial Key Lab of Cardiac Function and Microcirculation, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xin Heng
- Guangdong Provincial Key Lab of Cardiac Function and Microcirculation, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jie Wu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhenfeng Chen
- Guangdong Provincial Key Lab of Cardiac Function and Microcirculation, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Xiaohua Guo
- Guangdong Provincial Key Lab of Cardiac Function and Microcirculation, Department of Pathophysiology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jun Fan
- Department of Anesthesiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, China
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10
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Adams SC, Nambiar AK, Bressler EM, Raut CP, Colson YL, Wong WW, Grinstaff MW. Immunotherapies for locally aggressive cancers. Adv Drug Deliv Rev 2024; 210:115331. [PMID: 38729264 DOI: 10.1016/j.addr.2024.115331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/31/2024] [Accepted: 05/06/2024] [Indexed: 05/12/2024]
Abstract
Improving surgical resection outcomes for locally aggressive tumors is key to inducing durable locoregional disease control and preventing progression to metastatic disease. Macroscopically complete resection of the tumor is the standard of care for many cancers, including breast, ovarian, lung, sarcoma, and mesothelioma. Advancements in cancer diagnostics are increasing the number of surgically eligible cases through early detection. Thus, a unique opportunity arises to improve patient outcomes with decreased recurrence rates via intraoperative delivery treatments using local drug delivery strategies after the tumor has been resected. Of the current systemic treatments (e.g., chemotherapy, targeted therapies, and immunotherapies), immunotherapies are the latest approach to offer significant benefits. Intraoperative strategies benefit from direct access to the tumor microenvironment which improves drug uptake to the tumor and simultaneously minimizes the risk of drug entering healthy tissues thereby resulting in fewer or less toxic adverse events. We review the current state of immunotherapy development and discuss the opportunities that intraoperative treatment provides. We conclude by summarizing progress in current research, identifying areas for exploration, and discussing future prospects in sustained remission.
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Affiliation(s)
- Sarah C Adams
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
| | - Arun K Nambiar
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
| | - Eric M Bressler
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA
| | - Chandrajit P Raut
- Department of Surgery, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, 02115, USA
| | - Yolonda L Colson
- Massachusetts General Hospital, Department of Surgery, Boston, MA 02114, USA.
| | - Wilson W Wong
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA.
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, Boston, MA 02215, USA; Department of Chemistry, Boston University, Boston MA 02215, USA.
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11
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Zhang Y, Yan H, Wei Y, Wei X. Decoding mitochondria's role in immunity and cancer therapy. Biochim Biophys Acta Rev Cancer 2024; 1879:189107. [PMID: 38734035 DOI: 10.1016/j.bbcan.2024.189107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/22/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024]
Abstract
The functions of mitochondria, including energy production and biomolecule synthesis, have been known for a long time. Given the rising incidence of cancer, the role of mitochondria in cancer has become increasingly popular. Activated by components released by mitochondria, various pathways interact with each other to induce immune responses to protect organisms from attack. However, mitochondria play dual roles in the progression of cancer. Abnormalities in proteins, which are the elementary structures of mitochondria, are closely linked with oncogenesis. Both the aberrant accumulation of intermediates and mutations in enzymes result in the generation and progression of cancer. Therefore, targeting mitochondria to treat cancer may be a new strategy. Several drugs aimed at inhibiting mutated enzymes and accumulated intermediates have been tested clinically. Here, we discuss the current understanding of mitochondria in cancer and the interactions between mitochondrial functions, immune responses, and oncogenesis. Furthermore, we discuss mitochondria as hopeful targets for cancer therapy, providing insights into the progression of future therapeutic strategies.
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Affiliation(s)
- Yu Zhang
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, 610041 Chengdu, Sichuan, PR China
| | - Hong Yan
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, 610041 Chengdu, Sichuan, PR China
| | - Yuquan Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, 610041 Chengdu, Sichuan, PR China.
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, 610041 Chengdu, Sichuan, PR China.
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12
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Tian X, Ai J, Tian X, Wei X. cGAS-STING pathway agonists are promising vaccine adjuvants. Med Res Rev 2024; 44:1768-1799. [PMID: 38323921 DOI: 10.1002/med.22016] [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: 10/17/2023] [Revised: 12/10/2023] [Accepted: 01/09/2024] [Indexed: 02/08/2024]
Abstract
Adjuvants are of critical value in vaccine development as they act on enhancing immunogenicity of antigen and inducing long-lasting immunity. However, there are only a few adjuvants that have been approved for clinical use, which highlights the need for exploring and developing new adjuvants to meet the growing demand for vaccination. Recently, emerging evidence demonstrates that the cGAS-STING pathway orchestrates innate and adaptive immunity by generating type I interferon responses. Many cGAS-STING pathway agonists have been developed and tested in preclinical research for the treatment of cancer or infectious diseases with promising results. As adjuvants, cGAS-STING agonists have demonstrated their potential to activate robust defense immunity in various diseases, including COVID-19 infection. This review summarized the current developments in the field of cGAS-STING agonists with a special focus on the latest applications of cGAS-STING agonists as adjuvants in vaccination. Potential challenges were also discussed in the hope of sparking future research interests to further the development of cGAS-STING as vaccine adjuvants.
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Affiliation(s)
- Xinyu Tian
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Jiayuan Ai
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiaohe Tian
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Centre for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, P.R. China
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13
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Tu C, Yang S, Yang M, Liu L, Tao J, Zhang L, Huang X, Tian Y, Li N, Lin L, Qin Z. Mechanisms of persistent hemolysis-induced middle kidney injury in grass carp (Ctenopharyngodon idella). FISH & SHELLFISH IMMUNOLOGY 2024; 150:109603. [PMID: 38704112 DOI: 10.1016/j.fsi.2024.109603] [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: 01/30/2024] [Revised: 04/20/2024] [Accepted: 05/02/2024] [Indexed: 05/06/2024]
Abstract
Infection-induced hemolysis results in intravascular hemolysis, which releases hemoglobin (Hb) into the tissues. Free Hb exhibits cytotoxic, oxidative, and pro-inflammatory effects, leading to systemic inflammation, vascular constriction dysfunction, thrombosis, and proliferative vascular lesions. Currently, the impact of intravascular hemolysis on the middle kidney in fish is unclear. Here, the injection of phenylhydrazine (PHZ) was used to establish a persistent hemolysis model in grass carp. The determination results revealed that the PHZ-induced hemolysis caused conspicuous tissue damage in the kidneys of grass carp, increased the levels of Cr in the serum and the expression indicators of kidney injury-related genes in the middle kidney. Prussian blue staining indicated that PHZ-induced hemolysis significantly increased the deposition of iron ions in the kidneys of grass carp, and activated the expression levels of iron metabolism-related genes. The results of oxidative damage-related experiments indicate that under PHZ treatment, the activity of middle kidney cells decreases, and the production of oxidative damage markers malondialdehyde (MDA) and 4-hydroxynonenal (4-HNE) increases, simultaneously inhibiting the activity of antioxidant enzymes and upregulating the transcription levels of antioxidant enzyme-related genes. Additionally, the analysis of inflammatory factors revealed a significant upregulation of genes associated with inflammation induced by PHZ-induced hemolysis. The transcriptome analysis was performed to further explore the molecular regulatory effects of hemolysis on tissues, the analysis revealed the treatment of PHZ activated various of programmed cell death (PCD) pathways, including ferroptosis, apoptosis, and autophagy. In summary, this study found that sustained hemolysis in fish results in Hb and iron ion deposition in middle kidney, promoting oxidative damage, ultimately inducing various forms of PCD.
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Affiliation(s)
- Chengming Tu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Shiyi Yang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Minxuan Yang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Lihan Liu
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Junjie Tao
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Linpeng Zhang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Xiaoman Huang
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Ye Tian
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Ningjing Li
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China
| | - Li Lin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
| | - Zhendong Qin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong Province, 510222, China.
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14
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Dong M, Chen M, Zhang Y, He X, Min J, Tan Y, Wei H, Li X, Chen X, Zheng L, Yin Q, Li X, Chen H, Jiang H. Oscillatory shear stress promotes endothelial senescence and atherosclerosis via STING activation. Biochem Biophys Res Commun 2024; 715:149979. [PMID: 38678779 DOI: 10.1016/j.bbrc.2024.149979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 04/12/2024] [Accepted: 04/22/2024] [Indexed: 05/01/2024]
Abstract
Endothelial dysfunction is an initiating factor in atherosclerosis. Endothelial cells (ECs) are constantly subject to blood flow shear stress, and atherosclerotic plaques tend to occur in aortic bends or bifurcations impaired by low oscillatory shear stress (OSS). However, the mechanism that how OSS affects the initiation and progression of atherosclerosis remains to be explored. Here, we first reported that OSS can promote endothelial dysfunction and atherogenesis in vivo and in vitro by activating STING pathway. Mechanistically, at atherosclerosis-prone areas, OSS caused mitochondria damage in ECs, leading to the leakage of mitochondrial DNA (mtDNA) into the cytoplasm. The cytoplasmic mtDNA was recognized by cGAS to produce cGAMP, activating the STING pathway and leading to endothelial senescence, which resulted in endothelial dysfunction and atherosclerosis. We found that STING was activated in plaques of atherosclerotic patients and in aortic arch ECs of high-fat diet (HFD)-fed ApoeKO mice, as well as in ECs exposed to OSS. STING-specific deficiency in ECs attenuates endothelial senescence and resulted in a significant reduction in aortic arch plaque area in HFD-fed ApoeKO mice. Consistently, specific deficiency or pharmacological inhibition of STING attenuated OSS-induced senescence and endothelial dysfunction. Pharmacological depletion of mtDNA ameliorated OSS-induced senescence and endothelial dysfunction. Taken together, our study linked hemodynamics and endothelial senescence, and revealed a novel mechanism by which OSS leads to endothelial dysfunction. Our study provided new insights into the development of therapeutic strategies for endothelial senescence and atherosclerosis.
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Affiliation(s)
- Mengdie Dong
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Minghong Chen
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Yunjia Zhang
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xian He
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Jiao Min
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Yongkang Tan
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Huiyuan Wei
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xinyu Li
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xiang Chen
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Longbin Zheng
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China; Department of Anesthesiology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, 211166, China
| | - Quanwen Yin
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Xuesong Li
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Hongshan Chen
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China; Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 211166, China.
| | - Hong Jiang
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
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15
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Hong Q, Zhu S, Yu Y, Ren Y, Jin L, Wang H, Zhang H, Guo K. The emerging role of mtDNA release in sepsis: Current evidence and potential therapeutic targets. J Cell Physiol 2024. [PMID: 38888012 DOI: 10.1002/jcp.31331] [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: 01/26/2024] [Revised: 05/14/2024] [Accepted: 05/17/2024] [Indexed: 06/20/2024]
Abstract
Sepsis is a systemic inflammatory reaction caused by infection, and severe sepsis can develop into septic shock, eventually leading to multiorgan dysfunction and even death. In recent years, studies have shown that mitochondrial damage is closely related to the occurrence and development of sepsis. Recent years have seen a surge in concern over mitochondrial DNA (mtDNA), as anomalies in this material can lead to cellular dysfunction, disruption of aerobic respiration, and even death of the cell. In this review, we discuss the latest findings on the mechanisms of mitochondrial damage and the molecular mechanisms controlling mitochondrial mtDNA release. We also explored the connection between mtDNA misplacement and inflammatory activation. Additionally, we propose potential therapeutic targets of mtDNA for sepsis treatment.
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Affiliation(s)
- Qianya Hong
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Shuainan Zhu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Ying Yu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Yun Ren
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Lin Jin
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Huilin Wang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Hao Zhang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
| | - Kefang Guo
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
- Shanghai Key Laboratory of Perioperative Stress and Protection, Shanghai, China
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16
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Campelo F, Lillo JV, von Blume J. Protein condensates in the the secretory pathway: Unraveling biophysical interactions and function. Biophys J 2024; 123:1531-1541. [PMID: 38698644 DOI: 10.1016/j.bpj.2024.04.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/23/2024] [Accepted: 04/30/2024] [Indexed: 05/05/2024] Open
Abstract
The emergence of phase separation phenomena among macromolecules has identified biomolecular condensates as fundamental cellular organizers. These condensates concentrate specific components and accelerate biochemical reactions without relying on membrane boundaries. Although extensive studies have revealed a large variety of nuclear and cytosolic membraneless organelles, we are witnessing a surge in the exploration of protein condensates associated with the membranes of the secretory pathway, such as the endoplasmic reticulum and the Golgi apparatus. This review focuses on protein condensates in the secretory pathway and discusses their impact on the organization and functions of this cellular process. Moreover, we explore the modes of condensate-membrane association and the biophysical and cellular consequences of protein condensate interactions with secretory pathway membranes.
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Affiliation(s)
- Felix Campelo
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain.
| | - Javier Vera Lillo
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, Spain
| | - Julia von Blume
- Department of Cell Biology, Yale University School of Medicine, New Haven, Connecticut.
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17
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Liu Z, Liu B, Feng Y, Zhao L, Wang Q, He H, Yin T, Zhang Y, Yang L, Gou J, Tang X. Dual-Targeted Self-Adjuvant Heterocyclic Lipidoid@Polyester Hybrid Nanovaccines for Boosting Cancer Immunotherapy. ACS NANO 2024; 18:15557-15575. [PMID: 38837909 DOI: 10.1021/acsnano.4c00392] [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: 06/07/2024]
Abstract
Tumor vaccines have demonstrated a modest response rate, primarily attributed to their inefficient delivery to dendritic cells (DCs), low cross-presentation, DC-intrinsic immunosuppressive signals, and an immunosuppressive tumor microenvironment (TME). Here, draining lymph node (DLN)-targeted and tumor-targeted nanovaccines were proposed to address these limitations, and heterocyclic lipidoid (A18) and polyester (BR647) were synthesized to achieve dual-targeted cancer immunotherapy. Meanwhile, oligo hyaluronic acid (HA) and DMG-PEG2000-Mannose were incorporated to prepare dual-targeted nanovaccines encapsulated with STAT3 siRNA and model antigens. The nanovaccines were designed to target the DLN and the tumor, facilitating the delivery of cargo into the cytoplasm. These dual-targeted nanovaccines improved antigen presentation and DC maturation, activated the stimulator of interferon genes (STING) pathway, enhanced the pro-apoptotic effect, and stimulated antitumor immune responses. Additionally, these dual-targeted nanovaccines overcame immunosuppressive TME, reduced immunosuppressive cells, and promoted the polarization of tumor-associated neutrophils from N2 to N1. Among the four dual-targeted nanovaccines that induced robust antitumor responses, the heterocyclic lipidoid@polyester hybrid nanovaccines (MALO@HBNS) demonstrated the most promising results. Furthermore, a combination strategy involving MALO@HBNS and an anti-PD-L1 antibody exhibited an immensely powerful anticancer role. This work introduced a dual-targeted nanovaccine platform for antitumor treatment, suggesting its potential combination with an immune checkpoint blockade as a comprehensive anticancer strategy.
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Affiliation(s)
- Zixu Liu
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Boyuan Liu
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Yupeng Feng
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Linxuan Zhao
- Department of Pharmaceutics, College of Pharmacy Sciences, Jilin University, Changchun 130021, China
| | - Qingqing Wang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Haibing He
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Tian Yin
- School of Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Yu Zhang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Li Yang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Jingxin Gou
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
| | - Xing Tang
- Department of Pharmaceutics Science, Shenyang Pharmaceutical University, Shenyang 110116, China
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18
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Liang L, Zeng J, Liu R, Zheng Z, Lv D, Zhang X, Wen M, Li M, Xiao H, Sun X, Li M, Huang H. Polydatin attenuates diabetic renal inflammatory fibrosis via the inhibition of STING pathway. Biochem Pharmacol 2024:116373. [PMID: 38885772 DOI: 10.1016/j.bcp.2024.116373] [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: 02/08/2024] [Revised: 05/13/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024]
Abstract
Diabetic nephropathy (DN) is a complication of diabetes and is mainly characterized by renal fibrosis, which could be attributed to chronic kidney inflammation. Stimulator of interferon genes (STING), a linker between immunity and metabolism, could ameliorate various metabolic and inflammatory diseases. However, the regulatory role of STING in DN remains largely unexplored. In this study, knockdown of STING decreased extracellular matrix (ECM), pro-inflammatory, and fibrotic factors in high glucose (HG)-induced glomerular mesangial cells (GMCs), whereas overexpression of STING triggered the inflammatory fibrosis process, suggesting that STING was a potential target for DN. Polydatin (PD) is a glucoside of resveratrol and has been reported to ameliorate DN by inhibiting inflammatory responses. Nevertheless, whether PD improved DN via STING remains unclear. Here, transcriptomic profiling implied that the STING/NF-κB pathway might be an important target for PD. We further found that PD decreased the protein expression of STING, and subsequently suppressed the activation of downstream targets including TBK1 phosphorylation and NF-κB nuclear translocation, and eventually inhibited the production of ECM, pro-inflammatory and fibrotic factors in HG-induced GMCs. Notably, results of molecular docking, molecular dynamic simulations, surface plasmon resonance, cellular thermal shift assay and Co-immunoprecipitation assay indicated that PD directly bound to STING and restored the declined proteasome-mediated degradation of STING induced by HG. In diabetic mice, PD also inhibited the STING pathway and improved the pathological changes of renal inflammatory fibrosis. Our study elucidated the regulatory role of STING in DN, and the novel mechanism of PD treating DN via inhibiting STING expression.
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Affiliation(s)
- Liyin Liang
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China; Guangzhou Hospital of Integrated Traditional and Western Medicine, Guangzhou 510801, China
| | - Jingran Zeng
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Renbin Liu
- Bao'an Center Hospital of Shenzhen, Shenzhen 518100, China
| | - Zhihua Zheng
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Dongxin Lv
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xuting Zhang
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Min Wen
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Minghui Li
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Haiming Xiao
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiaohong Sun
- Department of Pharmacy, Shenzhen Children's Hospital, Shenzhen 518026, China.
| | - Min Li
- Laboratory of Pharmacology & Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Heqing Huang
- Guangzhou Hospital of Integrated Traditional and Western Medicine, Guangzhou 510801, China.
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19
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Zhao W, Zhao S, Wei R, Wang Z, Zhang F, Zong F, Zhang HT. cGAS/STING signaling pathway-mediated microglial activation in the PFC underlies chronic ethanol exposure-induced anxiety-like behaviors in mice. Int Immunopharmacol 2024; 134:112185. [PMID: 38701540 DOI: 10.1016/j.intimp.2024.112185] [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: 04/02/2024] [Revised: 04/27/2024] [Accepted: 04/28/2024] [Indexed: 05/05/2024]
Abstract
Chronic ethanol consumption is a prevalent condition in contemporary society and exacerbates anxiety symptoms in healthy individuals. The activation of microglia, leading to neuroinflammatory responses, may serve as a significant precipitating factor; however, the precise molecular mechanisms underlying this phenomenon remain elusive. In this study, we initially confirmed that chronic ethanol exposure (CEE) induces anxiety-like behaviors in mice through open field test and elevated plus maze test. The cGAS/STING signaling pathway has been confirmed to exhibits a significant association with inflammatory signaling responses in both peripheral and central systems. Western blot analysis confirmed alterations in the cGAS/STING signaling pathway during CEE, including the upregulation of p-TBK1 and p-IRF3 proteins. Moreover, we observed microglial activation in the prefrontal cortex (PFC) of CEE mice, characterized by significant alterations in branching morphology and an increase in cell body size. Additionally, we observed that administration of CEE resulted in mitochondrial dysfunction within the PFC of mice, accompanied by a significant elevation in cytosolic mitochondrial DNA (mtDNA) levels. Furthermore, our findings revealed that the inhibition of STING by H-151 effectively alleviated anxiety-like behavior and suppressed microglial activation induced by CEE. Our study unveiled a significant association between anxiety-like behavior, microglial activation, inflammation, and mitochondria dysfunction during CEE.
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Affiliation(s)
- Wei Zhao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Shuang Zhao
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Ran Wei
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Ziqi Wang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Fang Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China
| | - Fangjiao Zong
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China.
| | - Han-Ting Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao 266073, China.
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20
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Yang J, Xu Z, Zheng W, Li Y, Wei Q, Yang L. Identification of the cytoplasmic DNA-Sensing cGAS-STING pathway-mediated gene signatures and molecular subtypes in prostate cancer. BMC Cancer 2024; 24:732. [PMID: 38877472 PMCID: PMC11179326 DOI: 10.1186/s12885-024-12492-3] [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: 04/26/2024] [Accepted: 06/10/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND Considering the age relevance of prostate cancer (PCa) and the involvement of the cGAS-STING pathway in aging and cancer, we aim to classify PCa into distinct molecular subtypes and identify key genes from the novel perspective of the cGAS-STING pathway. It is of significance to guide personalized intervention of cancer-targeting therapy based on genetic evidence. METHODS The 430 patients with PCa from the TCGA database were included. We integrated 29 key genes involved in cGAS-STING pathway and analyzed differentially expressed genes and biochemical recurrence (BCR)-free survival-related genes. The assessments of tumor stemness and heterogeneity and tumor microenvironment (TME) were conducted to reveal potential mechanisms. RESULTS PCa patients were classified into two distinct subtypes using AURKB, TREX1, and STAT6, and subtype 1 had a worse prognosis than subtype 2 (HR: 21.19, p < 0.001). The findings were validated in the MSKCC2010 cohort. Among subtype 1 and subtype 2, the top ten mutation genes were MUC5B, DNAH9, SLC5A10, ZNF462, USP31, SIPA1L3, PLEC, HRAS, MYOM1, and ITGB6. Gene set variation analysis revealed a high enrichment of the E2F target in subtype 1, and gene set enrichment analysis showed significant enrichment of base excision repair, cell cycle, and DNA replication in subtype 1. TME evaluation indicated that subtype 1 had a significantly higher level of T cells follicular helper and a lower level of plasma cells than subtype 2. CONCLUSIONS The molecular subtypes mediated by the cGAS-STING pathway and the genetic risk score may aid in identifying potentially high-risk PCa patients who may benefit from pharmacologic therapies targeting the cGAS-STING pathway.
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Affiliation(s)
- Jie Yang
- Department of Urology, West China Hospital of Sichuan University, Sichuan Province, Chengdu, China
| | - Zihan Xu
- China Agricultural University, Beijing, 100083, China
| | - Weitao Zheng
- Department of Urology, West China Hospital of Sichuan University, Sichuan Province, Chengdu, China
| | - Yifan Li
- Department of Urology, West China Hospital of Sichuan University, Sichuan Province, Chengdu, China
| | - Qiang Wei
- Department of Urology, West China Hospital of Sichuan University, Sichuan Province, Chengdu, China.
| | - Lu Yang
- Department of Urology, West China Hospital of Sichuan University, Sichuan Province, Chengdu, China.
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21
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Maimaiti M, Li C, Cheng M, Zhong Z, Hu J, Yang L, Zhang L, Hong Z, Song J, Pan M, Ma X, Cui S, Zhang P, Hao H, Wang C, Hu H. Blocking cGAS-STING pathway promotes post-stroke functional recovery in an extended treatment window via facilitating remyelination. MED 2024; 5:622-644.e8. [PMID: 38663402 DOI: 10.1016/j.medj.2024.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/15/2024] [Accepted: 03/27/2024] [Indexed: 06/17/2024]
Abstract
BACKGROUND Ischemic stroke is a major cause of worldwide death and disability, with recombinant tissue plasminogen activator being the sole effective treatment, albeit with a limited treatment window. The cyclic GMP-AMP synthase (cGAS) and stimulator of interferon genes (STING) pathway is emerging as the major DNA-sensing pathway to invoke immune responses in neuroinflammatory disorders. METHODS By performing a series of neurobehavioral assessments, electrophysiological analysis, high-throughput sequencing, and cell-based assays based on the transient middle cerebral artery occlusion (tMCAO) mouse stroke model, we examined the effects and underlying mechanisms of genetic and pharmacological inhibition of the cGAS-STING pathway on long-term post-stroke neurological functional outcomes. FINDINGS Blocking the cGAS-STING pathway, even 3 days after tMCAO, significantly promoted functional recovery in terms of white matter structural and functional integrity as well as sensorimotor and cognitive functions. Mechanistically, the neuroprotective effects via inhibiting the cGAS-STING pathway were contributed not only by inflammation repression at the early stage of tMCAO but also by modifying the cell state of phagocytes to facilitate remyelination at the sub-acute phase. The activation of the cGAS-STING pathway significantly impeded post-stroke remyelination through restraining myelin debris uptake and degradation and hindering oligodendrocyte differentiation and maturation. CONCLUSIONS Manipulating the cGAS-STING pathway has an extended treatment window in promoting long-term post-stroke functional recovery via facilitating remyelination in a mouse stroke model. Our results highlight the roles of the cGAS-STING pathway in aggregating stroke pathology and propose a new way for improving functional recovery after ischemic stroke. FUNDING This work was primarily funded by the National Key R&D Program of China.
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Affiliation(s)
- Munire Maimaiti
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Chenhui Li
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China.
| | - Mingxing Cheng
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Ziwei Zhong
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Jiameng Hu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Lei Yang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Lele Zhang
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ze Hong
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jinyi Song
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Mingyu Pan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Xiaonan Ma
- Cellular and Molecular Biology Center, China Pharmaceutical University, Nanjing, China
| | - Shufang Cui
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Peng Zhang
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Haiping Hao
- Jiangsu Provincial Key Laboratory of Drug Metabolism and Pharmacokinetics, State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism, China Pharmaceutical University, Nanjing, China; School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China.
| | - Haiyang Hu
- Central Laboratory, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China; Chongqing Innovation Institute of China Pharmaceutical University, Chongqing, China.
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22
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Zhang JN, Dong MM, Cao W, Chen HG, Gu HY, Feng YL, Zhang EF, He JS, Liu SC, Xie AY, Cai Z. Disruption of DNA-PKcs-mediated cGAS retention on damaged chromatin potentiates DNA damage-inducing agent-induced anti-multiple myeloma activity. Br J Cancer 2024:10.1038/s41416-024-02742-3. [PMID: 38877108 DOI: 10.1038/s41416-024-02742-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 05/21/2024] [Accepted: 05/28/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND Targeting DNA damage repair factors, such as DNA-dependent protein kinase catalytic subunit (DNA-PKcs), may offer an opportunity for effective treatment of multiple myeloma (MM). In combination with DNA damage-inducing agents, this strategy has been shown to improve chemotherapies partially via activation of cGAS-STING pathway by an elevated level of cytosolic DNA. However, as cGAS is primarily sequestered by chromatin in the nucleus, it remains unclear how cGAS is released from chromatin and translocated into the cytoplasm upon DNA damage, leading to cGAS-STING activation. METHODS We examined the role of DNA-PKcs inhibition on cGAS-STING-mediated MM chemosensitivity by performing mass spectrometry and mechanism study. RESULTS Here, we found DNA-PKcs inhibition potentiated DNA damage-inducing agent doxorubicin-induced anti-MM effect by activating cGAS-STING signaling. The cGAS-STING activation in MM cells caused cell death partly via IRF3-NOXA-BAK axis and induced M1 polarization of macrophages. Moreover, this activation was not caused by defective classical non-homologous end joining (c-NHEJ). Instead, upon DNA damage induced by doxorubicin, inhibition of DNA-PKcs promoted cGAS release from cytoplasmic chromatin fragments and increased the amount of cytosolic cGAS and DNA, activating cGAS-STING. CONCLUSIONS Inhibition of DNA-PKcs could improve the efficacy of doxorubicin in treatment of MM by de-sequestrating cGAS in damaged chromatin.
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Affiliation(s)
- Jin-Na Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Institute of Translational Medicine, Zhejiang University School of Medicine and Zhejiang University Cancer Center, Hangzhou, Zhejiang, China
| | - Meng-Meng Dong
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Institute of Translational Medicine, Zhejiang University School of Medicine and Zhejiang University Cancer Center, Hangzhou, Zhejiang, China
| | - Wen Cao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hao-Guang Chen
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Hui-Yao Gu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yi-Li Feng
- Institute of Translational Medicine, Zhejiang University School of Medicine and Zhejiang University Cancer Center, Hangzhou, Zhejiang, China
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Hangzhou Qiantang Hospital, Hangzhou, Zhejiang, China
| | - En-Fan Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Jing-Song He
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Si-Cheng Liu
- Institute of Translational Medicine, Zhejiang University School of Medicine and Zhejiang University Cancer Center, Hangzhou, Zhejiang, China
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Hangzhou Qiantang Hospital, Hangzhou, Zhejiang, China
| | - An-Yong Xie
- Institute of Translational Medicine, Zhejiang University School of Medicine and Zhejiang University Cancer Center, Hangzhou, Zhejiang, China.
- Key Laboratory of Laparoscopic Technology of Zhejiang Province, Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Hangzhou Qiantang Hospital, Hangzhou, Zhejiang, China.
| | - Zhen Cai
- Bone Marrow Transplantation Center, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
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Thuner J, Cognard J, Belot A. How to treat monogenic SLE? Best Pract Res Clin Rheumatol 2024:101962. [PMID: 38876818 DOI: 10.1016/j.berh.2024.101962] [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: 04/01/2024] [Revised: 05/12/2024] [Accepted: 05/29/2024] [Indexed: 06/16/2024]
Abstract
Systemic lupus erythematosus is a rare and life-threatening autoimmune disease characterized by autoantibodies against double-stranded DNA, with an immunopathology that remains partially unclear. New insights into the disease have been provided by the discovery of key mutations leading to the development of monogenic SLE, occurring in the context of early-onset disease, syndromic lupus, or familial clustering. The increased frequency of discovering these mutations in recent years, thanks to the advent of genetic screening, has greatly enhanced our understanding of the immunopathogenesis of SLE. These monogenic defects include defective clearance of apoptotic bodies, abnormalities in nucleic acid sensing, activation of the type-I interferon pathway, and the breakdown of tolerance through B or T cell activation or lymphocyte proliferation due to anomalies in TLR signalling and/or NFκB pathway overactivation. The translation of genetic discoveries into therapeutic strategies is presented here, within the framework of personalized therapy.
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Affiliation(s)
- Jonathan Thuner
- Internal Medicine Department, Lyon-Sud Hospital, Hospices Civils de Lyon, Pierre-Bénite, France; CIRI, Centre International de Recherche en Infectiologie/International Center for Infectiology Research, Université de Lyon, INSERM, Institut National de La Santé Et de La Recherche Médicale, U1111, Université Claude Bernard Lyon 1, Lyon, France
| | - Jade Cognard
- Pediatric Rheumatology, Nephrology, Dermatology Department, CMR RAISE, Women-Mother-Child Hospital, Hospices Civils de Lyon, Bron, France; CIRI, Centre International de Recherche en Infectiologie/International Center for Infectiology Research, Université de Lyon, INSERM, Institut National de La Santé Et de La Recherche Médicale, U1111, Université Claude Bernard Lyon 1, Lyon, France
| | - Alexandre Belot
- Pediatric Rheumatology, Nephrology, Dermatology Department, CMR RAISE, Women-Mother-Child Hospital, Hospices Civils de Lyon, Bron, France; CIRI, Centre International de Recherche en Infectiologie/International Center for Infectiology Research, Université de Lyon, INSERM, Institut National de La Santé Et de La Recherche Médicale, U1111, Université Claude Bernard Lyon 1, Lyon, France; CNRS, Centre National de La Recherche Scientifique, UMR5308, Lyon, France.
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24
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Chen Z, Lai X, Li J, Yuan X, Li Y, Zhang X, Kang Z, Ouyang Z, Zeng J, Hou N, Liu X. BRG1 Deficiency Promotes Cardiomyocyte Inflammation and Apoptosis by Activating the cGAS-STING Signaling in Diabetic Cardiomyopathy. Inflammation 2024:10.1007/s10753-024-02058-7. [PMID: 38867118 DOI: 10.1007/s10753-024-02058-7] [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: 01/31/2024] [Revised: 05/06/2024] [Accepted: 05/19/2024] [Indexed: 06/14/2024]
Abstract
Brahma-related gene 1 (BRG1) has been implicated in the repair of DNA double-strand breaks (DSBs). Downregulation of BRG1 impairs DSBs repair leading to accumulation of double-stranded DNA (dsDNA). Currently, the role of BRG1 in diabetic cardiomyopathy (DCM) has not been clarified. In this study, we aimed to explore the function and molecular by which BRG1 regulates DCM using mice and cell models. We found that BRG1 was downregulated in the cardiac tissues of DCM mice and in cardiomyocytes cultured with high glucose and palmitic acid (HG/PA), which was accompanied by accumulation of dsDNA and activation of the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway. shRNA-mediated Brg1 knockdown aggravated DCM mice cardiac functions, enhanced dsDNA accumulation, cGAS-STING signaling activation, which induced inflammation and apoptosis. In addition, the results were further verified in HG/PA-treated primary neonatal rat cardiomyocytes (NRCMs). Overexpression of BRG1 in NRCMs yielded opposite results. Furthermore, a selective cGAS inhibitor RU.521 or STING inhibitor C-176 partially reversed the BRG1 knockdown-induced inflammation and apoptosis in vitro. In conclusion, our results demonstrate that BRG1 is downregulated during DCM in vivo and in vitro, resulting in cardiomyocyte inflammation and apoptosis due to dsDNA accumulation and cGAS-STING signaling activation. Therefore, targeting the BRG1-cGAS-STING pathway may represent a novel therapeutic strategy for improving cardiac function of patients with DCM.
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Affiliation(s)
- Ziying Chen
- Department of Pharmacy, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiangmao Lai
- Department of Urology, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, 511518, China
- Guangdong Engineering Technology Research Center of Urinary Continence and Reproductive Medicine, Guangzhou Medical University, Qingyuan, 511518, China
| | - Jingxuan Li
- Department of Pharmacy, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xun Yuan
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yilang Li
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiaojing Zhang
- Department of Pharmacy, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
| | - Zhanfang Kang
- Guangdong Engineering Technology Research Center of Urinary Continence and Reproductive Medicine, Guangzhou Medical University, Qingyuan, 511518, China
- Department of Basic Medical Research, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, 511518, China
| | - Zizhang Ouyang
- Department of Pharmacy, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
| | - Jianwen Zeng
- Department of Urology, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, 511518, China.
- Guangdong Engineering Technology Research Center of Urinary Continence and Reproductive Medicine, Guangzhou Medical University, Qingyuan, 511518, China.
| | - Ning Hou
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
| | - Xiaoping Liu
- Department of Pharmacy, Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China.
- Guangdong Key Laboratory of Molecular Target & Clinical Pharmacology, the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China.
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25
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Wei K, Chen T, Fang H, Shen X, Tang Z, Zhao J. Mitochondrial DNA release via the mitochondrial permeability transition pore activates the cGAS-STING pathway, exacerbating inflammation in acute Kawasaki disease. Cell Commun Signal 2024; 22:328. [PMID: 38872145 DOI: 10.1186/s12964-024-01677-9] [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: 01/16/2024] [Accepted: 05/21/2024] [Indexed: 06/15/2024] Open
Abstract
BACKGROUND Kawasaki disease (KD) is an immune vasculitis of unknown origin, characterized by transient inflammation. The activation of the cGAS-STING pathway, triggered by mitochondrial DNA (mtDNA) release, has been implicated in the onset of KD. However, its specific role in the progression of inflammation during KD's acute phase remains unclear. METHODS We measured mtDNA and 2'3'-cGAMP expression in KD patient serum using RT-qPCR and ELISA. A murine model of KD was induced by injecting Lactobacillus casei cell wall extract (LCWE), after which cGAS-STING pathway activation and inflammatory markers were assessed via immunohistochemistry, western blot, and RT-qPCR. Human umbilical vein endothelial cells (HUVECs) were treated with KD serum and modulators of the cGAS-STING pathway for comparative analysis. Mitochondrial function was evaluated using Mitosox staining, mPTP opening was quantified by fluorescence microscopy, and mitochondrial membrane potential (MMP) was determined with JC-1 staining. RESULTS KD patient serum exhibited increased mtDNA and 2'3'-cGAMP expression, with elevated levels of pathway-related proteins and inflammatory markers observed in both in vivo and in vitro models. TEM confirmed mitochondrial damage, and further studies demonstrated that inhibition of mPTP opening reduced mtDNA release, abrogated cGAS-STING pathway activation, and mitigated inflammation. CONCLUSION These findings indicate that mtDNA released through the mPTP is a critical activator of the cGAS-STING pathway, contributing significantly to KD-associated inflammation. Targeting mtDNA release or the cGAS-STING pathway may offer novel therapeutic approaches for KD management.
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Affiliation(s)
- Ke Wei
- Department of Pediatrics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China
- Research Institute of Comparative Medicine, Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Tao Chen
- Department of Pediatrics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Hao Fang
- Department of Pediatrics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Xianjuan Shen
- Department of Clinical Laboratory, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China
| | - Zhiyuan Tang
- Department of Pharmacy, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China.
| | - Jianmei Zhao
- Department of Pediatrics, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu Province, China.
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26
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Kang J, Wu J, Liu Q, Jiang H, Li W, Li Y, Li X, Ni C, Wu L, Liu M, Liu H, Deng L, Lin Z, Wu X, Zhao Y, Ren J. FASN regulates STING palmitoylation via malonyl-CoA in macrophages to alleviate sepsis-induced liver injury. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167299. [PMID: 38878833 DOI: 10.1016/j.bbadis.2024.167299] [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: 02/19/2024] [Revised: 05/24/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024]
Abstract
STING (stimulator of interferon genes) is a critical immunoregulatory protein in sepsis and is regulated by various mechanisms, especially palmitoylation. FASN (fatty acid synthase) is the rate-limiting enzyme to generate cellular palmitic acid (PA) via acetyl-CoA and malonyl-CoA and participates in protein palmitoylation. However, the mechanisms underlying the interaction between STING and FASN have not been completely understood. In this study, STING-knockout mice were used to confirm the pivotal role of STING in sepsis-induced liver injury. Metabolomics confirmed the dyslipidemia in septic mice and patients. The compounds library was screened, revealing that FASN inhibitors exerted a significant inhibitory effect on the STING pathway. Mechanically, the regulatory effect of FASN on the STING pathway was dependent on palmitoylation. Further experiments indicated that the upstream of FASN, malonyl-CoA inhibited STING pathway possibly due to C91 (palmitoylated residue) of STING. Overall, this study reveals a novel paradigm of STING regulation and provides a new perspective on immunity and metabolism.
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Affiliation(s)
- Jiaqi Kang
- Research Institute of General Surgery, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, PR China
| | - Jie Wu
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Department of Critical Care Medicine, Affiliated Zhongda Hospital, School of Medicine, Southeast University, Nanjing, PR China
| | - Qinjie Liu
- Department of General Surgery, Affiliated Zhongda Hospital, School of Medicine, Southeast University, Nanjing, PR China
| | - Haiyang Jiang
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China
| | - Weizhen Li
- Department of Emergency Surgery, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, PR China
| | - Yangguang Li
- Research Institute of General Surgery, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, PR China
| | - Xuanheng Li
- Research Institute of General Surgery, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, PR China
| | - Chujun Ni
- Surgical Research Laboratory, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China
| | - Lei Wu
- Research Institute of General Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, PR China
| | - Mingda Liu
- The Core Laboratory, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China
| | - Haiqing Liu
- Surgical Research Laboratory, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China
| | - Liting Deng
- Research Institute of General Surgery, Jinling Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Zexing Lin
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China
| | - Xiuwen Wu
- Research Institute of General Surgery, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, PR China.
| | - Yun Zhao
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, PR China.
| | - Jianan Ren
- Research Institute of General Surgery, Nanjing Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, PR China.
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Ye W, Sun Y, Cai J, Yin J, Liu J, Liu Y, Zhang S, Xia S, Song Y. Activation of cGAS/STING Drives Inflammation and Cellular Senescence of Macrophages in Ovarian Endometrioma Induced by Endometriotic Cyst Fluid. Adv Biol (Weinh) 2024:e2300711. [PMID: 38864247 DOI: 10.1002/adbi.202300711] [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: 12/28/2023] [Revised: 04/24/2024] [Indexed: 06/13/2024]
Abstract
Ovarian endometrioma (OE) is a common gynecological condition characterized by the formation of "chocolate cysts". Recent research indicates that the cyst fluid acts as a "toxic environment" for the ovary and plays a significant role in the development of OE, with macrophages being pivotal. However, the specific molecular and cellular mechanisms of it are not fully understood. In this study, clinical samples are integrated, single-cell sequencing, in vivo and in vitro experimental models to comprehensively investigate the effects of OE fluid on ovarian function and the mechanisms of it. Combined with bioinformatics analysis and experimental validation, the findings demonstrate that OE fluid can cause ovarian function decline, which associated with inflammatory response, and mitochondrial dysfunction and cellular senescence, while activating the cGAS/STING signaling pathway. As a STING inhibitor, H-151 effectively alleviates ovarian dysfunction, inflammatory state and cell apoptosis induced by OE fluid. Furthermore, it is also discovered that H-151 can inhibit OE fluid-induced mitochondrial dysfunction and cellular senescence. These findings provide important theoretical and experimental foundations for further research and development of STING inhibitors as potential drugs for treating ovarian dysfunction.
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Affiliation(s)
- Wenting Ye
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Yan Sun
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Jing Cai
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Jinwen Yin
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Jing Liu
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yuhua Liu
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Shuanghao Zhang
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Siyu Xia
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
| | - Yali Song
- Department of Reproductive Medicine, Dongguan Maternal and Child Health Care Hospital, Dongguan, 523000, China
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Husna N, Aiba T, Fujita SI, Saito Y, Shiba D, Kudo T, Takahashi S, Furukawa S, Muratani M. Release of CD36-associated cell-free mitochondrial DNA and RNA as a hallmark of space environment response. Nat Commun 2024; 15:4814. [PMID: 38862469 PMCID: PMC11166646 DOI: 10.1038/s41467-023-41995-z] [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: 12/09/2022] [Accepted: 09/20/2023] [Indexed: 06/13/2024] Open
Abstract
A detailed understanding of how spaceflight affects human health is essential for long-term space exploration. Liquid biopsies allow for minimally-invasive multi-omics assessments that can resolve the molecular heterogeneity of internal tissues. Here, we report initial results from the JAXA Cell-Free Epigenome Study, a liquid biopsy study with six astronauts who resided on the International Space Station (ISS) for more than 120 days. Analysis of plasma cell-free RNA (cfRNA) collected before, during, and after spaceflight confirms previously reported mitochondrial dysregulation in space. Screening with 361 cell surface marker antibodies identifies a mitochondrial DNA-enriched fraction associated with the scavenger receptor CD36. RNA-sequencing of the CD36 fraction reveals tissue-enriched RNA species, suggesting the plasma mitochondrial components originated from various tissues. We compare our plasma cfRNA data to mouse plasma cfRNA data from a previous JAXA mission, which had used on-board artificial gravity, and discover a link between microgravity and the observed mitochondrial responses.
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Affiliation(s)
- Nailil Husna
- Department of Genome Biology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Program in Humanics, University of Tsukuba, Ibaraki, 305-8573, Japan
| | - Tatsuya Aiba
- Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Shin-Ichiro Fujita
- Department of Genome Biology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
- Department of Neurobiology, Northwestern University, Evanston, IL, 60201, USA
| | - Yoshika Saito
- Faculty of Medicine, Kyoto University, Kyoto, 606-8303, Japan
| | - Dai Shiba
- Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Takashi Kudo
- Transborder Medical Research Center, University of Tsukuba, Ibaraki, 305-8575, Japan
- Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Satoru Takahashi
- Transborder Medical Research Center, University of Tsukuba, Ibaraki, 305-8575, Japan
- Department of Anatomy and Embryology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan
| | - Satoshi Furukawa
- Human Spaceflight Technology Directorate, Japan Aerospace Exploration Agency (JAXA), Ibaraki, 305-8505, Japan
| | - Masafumi Muratani
- Department of Genome Biology, Institute of Medicine, University of Tsukuba, Ibaraki, 305-8575, Japan.
- Transborder Medical Research Center, University of Tsukuba, Ibaraki, 305-8575, Japan.
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Bankell E, Liu L, van der Horst J, Rippe C, Jepps TA, Nilsson BO, Swärd K. Suppression of smooth muscle cell inflammation by myocardin-related transcription factors involves inactivation of TANK-binding kinase 1. Sci Rep 2024; 14:13321. [PMID: 38858497 PMCID: PMC11164896 DOI: 10.1038/s41598-024-63901-3] [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] [Accepted: 06/03/2024] [Indexed: 06/12/2024] Open
Abstract
Myocardin-related transcription factors (MRTFs: myocardin/MYOCD, MRTF-A/MRTFA, and MRTF-B/MRTFB) suppress production of pro-inflammatory cytokines and chemokines in human smooth muscle cells (SMCs) through sequestration of RelA in the NF-κB complex, but additional mechanisms are likely involved. The cGAS-STING pathway is activated by double-stranded DNA in the cytosolic compartment and acts through TANK-binding kinase 1 (TBK1) to spark inflammation. The present study tested if MRTFs suppress inflammation also by targeting cGAS-STING signaling. Interrogation of a transcriptomic dataset where myocardin was overexpressed using a panel of 56 cGAS-STING cytokines showed the panel to be repressed. Moreover, MYOCD, MRTFA, and SRF associated negatively with the panel in human arteries. RT-qPCR in human bronchial SMCs showed that all MRTFs reduced pro-inflammatory cytokines on the panel. MRTFs diminished phosphorylation of TBK1, while STING phosphorylation was marginally affected. The TBK1 inhibitor amlexanox, but not the STING inhibitor H-151, reduced the anti-inflammatory effect of MRTF-A. Co-immunoprecipitation and proximity ligation assays supported binding between MRTF-A and TBK1 in SMCs. MRTFs thus appear to suppress cellular inflammation in part by acting on the kinase TBK1. This may defend SMCs against pro-inflammatory insults in disease.
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Affiliation(s)
- Elisabeth Bankell
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Li Liu
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
- Department of Urology, Qingyuan Hospital Affiliated to Guangzhou Medical University, Qingyuan, Guangdong, China
| | - Jennifer van der Horst
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, Copenhagen N, Denmark
| | - Catarina Rippe
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Thomas A Jepps
- Vascular Biology Group, Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, Copenhagen N, Denmark
| | - Bengt-Olof Nilsson
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden
| | - Karl Swärd
- Cellular Biomechanics/Vascular Physiology, Department of Experimental Medical Science, BMC D12, Lund University, 22184, Lund, Sweden.
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Paul SK, Oshima M, Patil A, Sone M, Kato H, Maezawa Y, Kaneko H, Fukuyo M, Rahmutulla B, Ouchi Y, Tsujimura K, Nakanishi M, Kaneda A, Iwama A, Yokote K, Eto K, Takayama N. Retrotransposons in Werner syndrome-derived macrophages trigger type I interferon-dependent inflammation in an atherosclerosis model. Nat Commun 2024; 15:4772. [PMID: 38858384 PMCID: PMC11164933 DOI: 10.1038/s41467-024-48663-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: 05/07/2022] [Accepted: 05/07/2024] [Indexed: 06/12/2024] Open
Abstract
The underlying mechanisms of atherosclerosis, the second leading cause of death among Werner syndrome (WS) patients, are not fully understood. Here, we establish an in vitro co-culture system using macrophages (iMφs), vascular endothelial cells (iVECs), and vascular smooth muscle cells (iVSMCs) derived from induced pluripotent stem cells. In co-culture, WS-iMφs induces endothelial dysfunction in WS-iVECs and characteristics of the synthetic phenotype in WS-iVSMCs. Transcriptomics and open chromatin analysis reveal accelerated activation of type I interferon signaling and reduced chromatin accessibility of several transcriptional binding sites required for cellular homeostasis in WS-iMφs. Furthermore, the H3K9me3 levels show an inverse correlation with retrotransposable elements, and retrotransposable element-derived double-stranded RNA activates the DExH-box helicase 58 (DHX58)-dependent cytoplasmic RNA sensing pathway in WS-iMφs. Conversely, silencing type I interferon signaling in WS-iMφs rescues cell proliferation and suppresses cellular senescence and inflammation. These findings suggest that Mφ-specific inhibition of type I interferon signaling could be targeted to treat atherosclerosis in WS patients.
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Affiliation(s)
- Sudip Kumar Paul
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Motohiko Oshima
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | | | - Masamitsu Sone
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Hibernation Metabolism, Physiology and Development Group, Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan
| | - Hisaya Kato
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yoshiro Maezawa
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Hiyori Kaneko
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Masaki Fukuyo
- Department of Molecular Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Bahityar Rahmutulla
- Department of Molecular Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Yasuo Ouchi
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
- Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Kyoko Tsujimura
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan
| | | | - Atsushi Kaneda
- Department of Molecular Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Atsushi Iwama
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Koutaro Yokote
- Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba, Japan.
| | - Koji Eto
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.
- Department of Clinical Application, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan.
| | - Naoya Takayama
- Department of Regenerative Medicine, Graduate School of Medicine, Chiba University, Chiba, Japan.
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Xu D, Zhang L, Song C, Zhang D, Xing C, Lv J, Bian H, Zhu M, Han M, Yu Y, Su L. Acacetin targets STING to alleviate the destabilization of the medial meniscus-induced osteoarthritis in mice. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03167-8. [PMID: 38856915 DOI: 10.1007/s00210-024-03167-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/14/2024] [Indexed: 06/11/2024]
Abstract
Osteoarthritis (OA) is a common joint disorder affecting about 7% of the global population, primarily characterized by the gradual loss of articular cartilage. This degeneration results from local inflammation, matrix depletion, and direct cartilage damage. A critical element in this process is the activation of the stimulator of the interferon genes (STING) pathway. Emerging evidence highlights its potential as a therapeutic target, with natural products showing promise as inhibitors. Our study centers on Acacetin, a basic unit of polyketides known for its anti-inflammatory properties. Prior research has highlighted its potential interaction with STING based on the structure. Thus, this study aimed to assess the effectiveness of Acacetin as a STING inhibitor and its protective role against OA. In vitro experiments showed that Acacetin pretreatment not only mitigated interleukin-1β (IL-1β)-induced cytotoxicity but also decreased the inflammatory response and degeneration in chondrocytes stimulated IL-1β. In vivo studies revealed that Acacetin administration significantly reduced articular cartilage destruction, abnormal bone remodeling, and osteophyte formation in a model of OA induced by destabilization of the medial meniscus (DMM). Mechanistically, Acacetin was found to interact directly with STING, and inhibit IL-1β-induced activation of STING, along with the subsequent phosphorylation of the TBK1/NF-κB pathway in chondrocytes. In conclusion, our findings establish Acacetin as an effective inhibitor of STING that protects chondrocytes from IL-1β-induced damage and slows the progression of OA in mice.
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Affiliation(s)
- Dingjun Xu
- School of Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Linjie Zhang
- School of Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Chenyu Song
- School of Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Dinglei Zhang
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Chunlei Xing
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Juan Lv
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Huihui Bian
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China
| | - Minyu Zhu
- Department of Spine Surgery, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Minxuan Han
- Department of Orthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China.
- State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases, Nanjing Medical University, Nanjing, China.
| | - Yongsheng Yu
- School of Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China.
| | - Li Su
- Institute of Translational Medicine, Shanghai University, Shangda Road 99, Shanghai, 200444, China.
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32
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Zhang Q, Xiong Y, Li R, Wang X, Lin X, Tong Y. Targeting cGAS-STING signaling protects retinal ganglion cells from DNA damage-induced cell loss and promotes visual recovery in glaucoma. Aging (Albany NY) 2024; 16:205900. [PMID: 38848144 DOI: 10.18632/aging.205900] [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: 09/04/2023] [Accepted: 02/13/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND Glaucoma is an optic neurodegenerative disease. Retinal ganglion cells (RGCs) are the fundamental neurons in the trabecular meshwork, and their loss is the main pathological reason for glaucoma. The present study was to investigate mechanisms that regulate RGCs survival. METHODS A mouse model of glaucoma was established by injecting hypertonic saline into the limbal veins. RGCs apoptosis was detected by using flow cytometry. Protein expressions in RGCs in response to DNA damage inducer cisplatin treatment were detected by immunofluorescence and western blot. The expressions of inflammatory cytokines were determined using ELISA and real-time PCR. RESULTS In the hypertonic saline-injected mice, we found visual function was impaired followed by the increased expression of γH2AX and activation of cGAS-STING signaling. We found that DNA damage inducer cisplatin treatment incurred significant DNA damage, cell apoptosis, and inflammatory response. Mechanistically, cisplatin treatment triggered activation of the cGAS-STING signaling by disrupting mitochondrial function. Suppression of cGAS-STING ameliorated inflammation and protected visual function in glaucoma mice. CONCLUSIONS The data demonstrated that cGAS-STING signaling is activated in the damaged retinal ganglion cells, which is associated with increased inflammatory responses, DNA damage, and mitochondrial dysfunction. Targeting the cGAS-STING signaling pathway represents a potential way to alleviate glaucoma-related visual function.
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Affiliation(s)
- Qiuli Zhang
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
| | - Yinghuan Xiong
- Biotissue Repository, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
| | - Ruizhuang Li
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
| | - Xiuqin Wang
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
| | - Xu Lin
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
| | - Ya'ni Tong
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, Guangdong, China
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Takaki T, Millar R, Hiley CT, Boulton SJ. Micronuclei induced by radiation, replication stress, or chromosome segregation errors do not activate cGAS-STING. Mol Cell 2024; 84:2203-2213.e5. [PMID: 38749421 DOI: 10.1016/j.molcel.2024.04.017] [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: 01/02/2024] [Revised: 03/15/2024] [Accepted: 04/23/2024] [Indexed: 06/09/2024]
Abstract
The cyclic guanosine monophosphate (GMP)-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway plays a pivotal role in innate immune responses to viral infection and inhibition of autoimmunity. Recent studies have suggested that micronuclei formed by genotoxic stress can activate innate immune signaling via the cGAS-STING pathway. Here, we investigated cGAS localization, activation, and downstream signaling from micronuclei induced by ionizing radiation, replication stress, and chromosome segregation errors. Although cGAS localized to ruptured micronuclei via binding to self-DNA, we failed to observe cGAS activation; cGAMP production; downstream phosphorylation of STING, TBK1, or IRF3; nuclear accumulation of IRF3; or expression of interferon-stimulated genes. Failure to activate the cGAS-STING pathway was observed across primary and immortalized cell lines, which retained the ability to activate the cGAS-STING pathway in response to dsDNA or modified vaccinia virus infection. We provide evidence that micronuclei formed by genotoxic insults contain histone-bound self-DNA, which we show is inhibitory to cGAS activation in cells.
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Affiliation(s)
- Tohru Takaki
- DSB Repair Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Rhona Millar
- DSB Repair Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK; Cancer Research UK Radnet City of London Centre, UCL Cancer Institute, 72 Huntley Street, London WC1E 6DD, UK
| | - Crispin T Hiley
- Cancer Research UK Radnet City of London Centre, UCL Cancer Institute, 72 Huntley Street, London WC1E 6DD, UK
| | - Simon J Boulton
- DSB Repair Metabolism Laboratory, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK; Artios Pharma Ltd., Babraham Research Campus, Meditrina Building, Cambridge CB22 3AT, UK.
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Han Y, Qiu L, Wu H, Song Z, Ke P, Wu X. Focus on the cGAS-STING Signaling Pathway in Sepsis and Its Inflammatory Regulatory Effects. J Inflamm Res 2024; 17:3629-3639. [PMID: 38855170 PMCID: PMC11162626 DOI: 10.2147/jir.s465978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 05/29/2024] [Indexed: 06/11/2024] Open
Abstract
Sepsis is a severe systemic inflammatory response commonly occurring in infectious diseases, caused by infection with virulent pathogens. In the pathogenesis of sepsis, the cyclic guanosine monophosphate (GMP)-adenosine monophosphate (AMP) synthase-stimulator of interferon genes (cGAS-STING) signaling pathway serves a crucial role as a fundamental immunoregulatory mechanism. This signaling pathway activates STING upon recognizing intracellular DNA damage and pathogen-derived DNA, subsequently inducing the production of numerous inflammatory mediators, including interferon and inflammatory cytokines, which in turn trigger an inflammatory response. The aim of this paper is to explore the activation mechanism of the cGAS-STING signaling pathway in sepsis and its impact on inflammatory regulation. By delving into the mechanism of action of the cGAS-STING signaling pathway in sepsis, we aim to identify new therapeutic strategies for the treatment and prevention of sepsis.
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Affiliation(s)
- Yupeng Han
- Department of Anesthesiology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
- Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Liangcheng Qiu
- Department of Anesthesiology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
- Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Haixing Wu
- Department of Anesthesiology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
- Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Zhiwei Song
- Department of Neurology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
| | - Peng Ke
- Department of Anesthesiology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
- Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Xiaodan Wu
- Department of Anesthesiology, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, People’s Republic of China
- Fujian Provincial Key Laboratory of Critical Care Medicine, Fuzhou, Fujian, People’s Republic of China
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Bu X, Gong P, Zhang L, Song W, Hou J, Li Q, Wang W, Xia Z. Pharmacological inhibition of cGAS ameliorates postoperative cognitive dysfunction by suppressing caspase-3/GSDME-dependent pyroptosis. Neurochem Int 2024; 178:105788. [PMID: 38843953 DOI: 10.1016/j.neuint.2024.105788] [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: 04/03/2024] [Revised: 05/15/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
Neuroinflammation is a major driver of postoperative cognitive dysfunction (POCD). The cyclic GMP-AMP synthase-stimulator of interferon gene (cGAS-STING) signaling is a prominent alarming device for aberrant double-stranded DNA (dsDNA) that has emerged as a key mediator of neuroinflammation in cognitive-related diseases. However, the role of the cGAS-STING pathway in the pathogenesis of POCD remains unclear. A POCD model was developed in male C57BL/6J mice by laparotomy under isoflurane (Iso) anesthesia. The cGAS inhibitor RU.521 and caspase-3 agonist Raptinal were delivered by intraperitoneal administration. BV2 cells were exposed to Iso and lipopolysaccharide (LPS) in the absence or presence of RU.521, and then cocultured with HT22 cells in the absence or presence of Raptinal. Cognitive function was assessed using the Morris water maze test and novel object recognition test. Immunofluorescence assays were used to observe the colocalization of dsDNA and cGAS. The downstream proteins and pro-inflammatory cytokines were detected using the Western blot and enzyme-linked immunosorbent assay (ELISA). Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) staining was used to assess the degree of cell death in the hippocampus following anesthesia/surgery treatment. Isoflurane/laparotomy and Iso + LPS significantly augmented the levels of cGAS in the hippocampus and BV2 cells, accompanied by mislocalized dsDNA accumulation in the cytoplasm. RU.521 alleviated cognitive impairment, diminished the levels of 2'3'-cGAMP, cGAS, STING, phosphorylated NF-κB p65 and NF-κB-pertinent pro-inflammatory cytokines (TNFα and IL-6), and repressed pyroptosis-associated elements containing cleaved caspase-3, N-GSDME, IL-1β and IL-18. These phenotypes could be rescued by Raptinal in vivo and in vitro. These findings suggest that pharmacological inhibition of cGAS mitigates neuroinflammatory burden of POCD by dampening caspase-3/GSDME-dependent pyroptosis, providing a potential therapeutic strategy for POCD.
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Affiliation(s)
- Xueshan Bu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Ping Gong
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China; State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, Department of Anesthesiology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Lei Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wenqin Song
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Jiabao Hou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Qingwen Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China
| | - Wei Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
| | - Zhongyuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei, China.
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Kong L, Li S, Fu Y, Cai Q, Du X, Liang J, Ma T. Mitophagy in relation to chronic inflammation/ROS in aging. Mol Cell Biochem 2024:10.1007/s11010-024-05042-9. [PMID: 38834837 DOI: 10.1007/s11010-024-05042-9] [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: 04/07/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024]
Abstract
Various assaults on mitochondria occur during the human aging process, contributing to mitochondrial dysfunction. This mitochondrial dysfunction is intricately connected with aging and diseases associated with it. In vivo, the accumulation of defective mitochondria can precipitate inflammatory and oxidative stress, thereby accelerating aging. Mitophagy, an essential selective autophagy process, plays a crucial role in managing mitochondrial quality control and homeostasis. It is a highly specialized mechanism that systematically removes damaged or impaired mitochondria from cells, ensuring their optimal functioning and survival. By engaging in mitophagy, cells are able to maintain a balanced and stable environment, free from the potentially harmful effects of dysfunctional mitochondria. An ever-growing body of research highlights the significance of mitophagy in both aging and age-related diseases. Nonetheless, the association between mitophagy and inflammation or oxidative stress induced by mitochondrial dysfunction remains ambiguous. We review the fundamental mechanisms of mitophagy in this paper, delve into its relationship with age-related stress, and propose suggestions for future research directions.
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Affiliation(s)
- Liang Kong
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Shuhao Li
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Yu Fu
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Qinyun Cai
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Xinyun Du
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Jingyan Liang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, Yangzhou University, Yangzhou, 225001, Jiangsu, China
| | - Tan Ma
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, Jiangsu, China.
- Jiangsu Key Laboratory of Experimental & Translational Non-Coding RNA Research, Yangzhou University, Yangzhou, 225001, Jiangsu, China.
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Farhangnia P, Khorramdelazad H, Nickho H, Delbandi AA. Current and future immunotherapeutic approaches in pancreatic cancer treatment. J Hematol Oncol 2024; 17:40. [PMID: 38835055 DOI: 10.1186/s13045-024-01561-6] [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: 04/09/2024] [Accepted: 05/28/2024] [Indexed: 06/06/2024] Open
Abstract
Pancreatic cancer is a major cause of cancer-related death, but despondently, the outlook and prognosis for this resistant type of tumor have remained grim for a long time. Currently, it is extremely challenging to prevent or detect it early enough for effective treatment because patients rarely exhibit symptoms and there are no reliable indicators for detection. Most patients have advanced or spreading cancer that is difficult to treat, and treatments like chemotherapy and radiotherapy can only slightly prolong their life by a few months. Immunotherapy has revolutionized the treatment of pancreatic cancer, yet its effectiveness is limited by the tumor's immunosuppressive and hard-to-reach microenvironment. First, this article explains the immunosuppressive microenvironment of pancreatic cancer and highlights a wide range of immunotherapy options, including therapies involving oncolytic viruses, modified T cells (T-cell receptor [TCR]-engineered and chimeric antigen receptor [CAR] T-cell therapy), CAR natural killer cell therapy, cytokine-induced killer cells, immune checkpoint inhibitors, immunomodulators, cancer vaccines, and strategies targeting myeloid cells in the context of contemporary knowledge and future trends. Lastly, it discusses the main challenges ahead of pancreatic cancer immunotherapy.
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Affiliation(s)
- Pooya Farhangnia
- Reproductive Sciences and Technology Research Center, Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Board for Transplantation and Cell-Based Therapeutics (ImmunoTACT), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hamid Nickho
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali-Akbar Delbandi
- Reproductive Sciences and Technology Research Center, Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Wang C, Gao X, Li Y, Li C, Ma Z, Sun D, Liang X, Zhang X. A molecular subtyping associated with the cGAS-STING pathway provides novel perspectives on the treatment of ulcerative colitis. Sci Rep 2024; 14:12683. [PMID: 38831059 PMCID: PMC11148070 DOI: 10.1038/s41598-024-63695-4] [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: 02/18/2024] [Accepted: 05/31/2024] [Indexed: 06/05/2024] Open
Abstract
Ulcerative colitis (UC) is characterized by an abnormal immune response, and the pathogenesis lacks clear understanding. The cGAS-STING pathway is an innate immune signaling pathway that plays a significant role in various pathophysiological processes. However, the role of the cGAS-STING pathway in UC remains largely unclear. In this study, we obtained transcriptome sequencing data from multiple publicly available databases. cGAS-STING related genes were obtained through literature search, and differentially expressed genes (DEGs) were analyzed using R package limma. Hub genes were identified through protein-protein interaction (PPI) network analysis and module construction. The ConsensuClusterPlus package was utilized to identify molecular subtypes based on hub genes. The therapeutic response, immune microenvironment, and biological pathways of subtypes were further investigated. A total of 18 DEGs were found in UC patients. We further identified IFI16, MB21D1 (CGAS), TMEM173 (STING) and TBK1 as the hub genes. These genes are highly expressed in UC. IFI16 exhibited the highest diagnostic value and predictive value for response to anti-TNF therapy. The expression level of IFI16 was higher in non-responders to anti-TNF therapy. Furthermore, a cluster analysis based on genes related to the cGAS-STING pathway revealed that patients with higher gene expression exhibited elevated immune burden and inflammation levels. This study is a pioneering analysis of cGAS-STING pathway-related genes in UC. These findings provide new insights for the diagnosis of UC and the prediction of therapeutic response.
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Affiliation(s)
- Chen Wang
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Xin Gao
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Yanchen Li
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Chenyang Li
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Zhimin Ma
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
- Department of Respirology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Donglei Sun
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Xiaonan Liang
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Xiaolan Zhang
- Department of Gastroenterology, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology, Hebei Clinical Research Center for Digestive Diseases, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China.
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Rezabakhsh A, Sadaie MR, Ala A, Roosta Y, Habtemariam S, Sahebnasagh A, Khezri MR. STING agonists as promising vaccine adjuvants to boost immunogenicity against SARS-related coronavirus derived infection: possible role of autophagy. Cell Commun Signal 2024; 22:305. [PMID: 38831299 PMCID: PMC11145937 DOI: 10.1186/s12964-024-01680-0] [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: 01/23/2024] [Accepted: 05/26/2024] [Indexed: 06/05/2024] Open
Abstract
As a major component of innate immunity and a positive regulator of interferons, the Stimulator of interferon gene (STING) has an immunotherapy potential to govern a variety of infectious diseases. Despite the recent advances regarding vaccines against COVID-19, nontoxic novel adjuvants with the potential to enhance vaccine efficacy are urgently desired. In this connection, it has been well-documented that STING agonists are applied to combat COVID-19. This approach is of major significance for boosting immune responses most likely through an autophagy-dependent manner in susceptible individuals against infection induced by severe acute respiratory syndrome Coronavirus (SARS‑CoV‑2). Given that STING agonists exert substantial immunomodulatory impacts under a wide array of pathologic conditions, these agents could be considered novel adjuvants for enhancing immunogenicity against the SARS-related coronavirus. Here, we intend to discuss the recent advances in STING agonists' recruitment to boost innate immune responses upon vaccination against SARS-related coronavirus infections. In light of the primordial role of autophagy modulation, the potential of being an antiviral vaccine adjuvant was also explored.
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Affiliation(s)
- Aysa Rezabakhsh
- Cardiovascular Research Center, Shahid Madani specialized Heart Hospita, Tabriz University of Medical Sciences, University St, Tabriz, 5166615573, Iran.
| | - M Reza Sadaie
- NovoMed Consulting, Biomedical Sciences, Germantown, Maryland, USA
| | - Alireza Ala
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yousef Roosta
- Hematology, Immune Cell Therapy, and Stem Cells Transplantation Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research and Herbal Analysis Services UK, University of Greenwich, Kent, UK
| | - Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Mohammad Rafi Khezri
- Reproductive Health Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, 5715799313, Iran.
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Lyu S, Zhang T, Peng P, Cao D, Ma L, Yu Y, Dong Y, Qi X, Wei C. Involvement of cGAS/STING Signaling in the Pathogenesis of Candida albicans Keratitis: Insights From Genetic and Pharmacological Approaches. Invest Ophthalmol Vis Sci 2024; 65:13. [PMID: 38848078 PMCID: PMC11166223 DOI: 10.1167/iovs.65.6.13] [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: 12/27/2023] [Accepted: 05/14/2024] [Indexed: 06/13/2024] Open
Abstract
Purpose Fungal keratitis (FK) is an invasive corneal infection associated with significant risk to vision. Although the cyclic GMP-AMP synthase (cGAS)/stimulator of interferon genes (STING) signaling pathway has been recognized for its role in defending against viral infections, its involvement in FK still remains largely unclear. This study sought to elucidate the contribution of the cGAS/STING signaling pathway to the pathogenesis of FK. Methods The expression of cGAS/STING signaling components was assessed in a murine model of Candida albicans keratitis through RNA sequencing, western blot analysis, immunofluorescence staining, and real-time PCR. Both genetic (utilizing Sting1gt/gt mice) and pharmacological (using C176) interventions were employed to inhibit STING activity, allowing for the evaluation of resultant pathogenic alterations in FK using slit-lamp examination, clinical scoring, hematoxylin and eosin (H&E) staining, fungal culture, and RNA sequencing. Subconjunctival administration of the NOD-like receptor protein 3 (NLRP3) inflammasome inhibitor MCC950 was performed to evaluate FK manifestations following STING activity blockade. Furthermore, the impact of the STING agonist diABZI on FK progression was investigated. Results Compared to uninfected corneas, those infected with C. albicans exhibited increased expression of cGAS/STING signaling components, as well as its elevated activity. Inhibiting cGAS/STING signaling exacerbated the advancement of FK, as evidenced by elevated clinical scores, augmented fungal load, and heightened inflammatory response, including NLRP3 inflammasome activation and pyroptosis. Pharmacological inhibition of the NLRP3 inflammasome effectively mitigated the exacerbated FK by suppressing STING activity. Conversely, pre-activation of STING exacerbated FK progression compared to the PBS control, characterized by increased fungal burden and reinforced inflammatory infiltration. Conclusions This study demonstrates the essential role of the cGAS/STING signaling pathway in FK pathogenesis and highlights the necessity of its proper activation for the host against FK.
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Affiliation(s)
- Shanmei Lyu
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Ting Zhang
- Eye Hospital of Shandong First Medical University, Eye Institute of Shandong First Medical University, Jinan, Shandong, China
| | - Peng Peng
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Dingwen Cao
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Li Ma
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Yang Yu
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Yanling Dong
- Qingdao Eye Hospital of Shandong First Medical University, Eye Institute of Shandong First Medical University, Qingdao, China
| | - Xiaolin Qi
- Eye Hospital of Shandong First Medical University, Eye Institute of Shandong First Medical University, Jinan, Shandong, China
- School of Ophthalmology, Shandong First Medical University, Jinan, Shandong, China
| | - Chao Wei
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Eye Institute of Shandong First Medical University, Qingdao, China
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Shi W, Xu G, Gao Y, Yang H, Liu T, Zhao J, Li H, Wei Z, Hou X, Chen Y, Wen J, Li C, Zhao J, Zhang P, Wang Z, Xiao X, Bai Z. Compound Danshen Dripping Pill effectively alleviates cGAS-STING-triggered diseases by disrupting STING-TBK1 interaction. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155404. [PMID: 38507852 DOI: 10.1016/j.phymed.2024.155404] [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: 10/17/2023] [Revised: 01/13/2024] [Accepted: 01/31/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND The cyclic GMP-AMP synthase (cGAS)-stimulator of interferon (IFN) genes (STING) pathway is critical in the innate immune system and can be mobilized by cytosolic DNA. The various inflammatory and autoimmune diseases progression is highly correlated with aberrant cGAS-STING pathway activation. While some cGAS-STING pathway inhibitor were identified, there are no drugs that can be applied to the clinic. Compound Danshen Dripping Pill (CDDP) has been successfully used in clinic around the world, but the most common application is limited to cardiovascular disease. Therefore, the purpose of the present investigation was to examine whether CDDP inhibits the cGAS-STING pathway and could be used as a therapeutic agent for multiple cGAS-STING-triggered diseases. METHODS BMDMs, THP1 cells or Trex1-/- BMDMs were stimulated with various cGAS-STING-agonists after pretreatment with CDDP to detect the function of CDDP on IFN-β and ISGs productionn. Next, we detect the influence on IRF3 and P65 nuclear translocation, STING oligomerization and STING-TBK1-IRF3 complex formation of CDDP. Additionally, the DMXAA-mediated activation mice model of cGAS-STING pathway was used to study the effects of CDDP. Trex1-/- mice model and HFD-mediated obesity model were established to clarify the efficacy of CDDP on inflammatory and autoimmune diseases. RESULTS CDDP efficacy suppressed the IRF3 phosphorylation or the generation of IFN-β, ISGs, IL-6 and TNF-α. Mechanistically, CDDP did not influence the STING oligomerization and IRF3-TBK1 and STING-IRF3 interaction, but remarkably eliminated the STING-TBK1 interaction, ultimately blocking the downstream responses. In addition, we also clarified that CDDP could suppress cGAS-STING pathway activation triggered by DMXAA, in vivo. Consistently, CDDP could alleviate multi-organ inflammatory responses in Trex1-/- mice model and attenuate the inflammatory disorders, incleding obesity-induced insulin resistance. CONCLUSION CDDP is a specifically cGAS-STING pathway inhibitor. Furthermore, we provide novel mechanism for CDDP and discovered a clinical agent for the therapy of cGAS-STING-triggered inflammatory and autoimmune diseases.
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Affiliation(s)
- Wei Shi
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Guang Xu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Yuan Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Huijie Yang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Tingting Liu
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jia Zhao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hui Li
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Ziying Wei
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaorong Hou
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuanyuan Chen
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jincai Wen
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Chengwei Li
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jun Zhao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ping Zhang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhongxia Wang
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaohe Xiao
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; Military Institute of Chinese Materia, the Fifth Medical Centre, General Hospital of PLA, Beijing, China; National Key Laboratory of Kidney Diseases, China.
| | - Zhaofang Bai
- Department of Hepatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China; Military Institute of Chinese Materia, the Fifth Medical Centre, General Hospital of PLA, Beijing, China; National Key Laboratory of Kidney Diseases, China.
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He X, Wen S, Tang X, Wen Z, Zhang R, Li S, Gao R, Wang J, Zhu Y, Fang D, Li T, Peng R, Zhang Z, Wen S, Zhou L, Ai H, Lu Y, Zhang S, Shi G, Chen Y. Glucagon-like peptide-1 receptor agonists rescued diabetic vascular endothelial damage through suppression of aberrant STING signaling. Acta Pharm Sin B 2024; 14:2613-2630. [PMID: 38828140 PMCID: PMC11143538 DOI: 10.1016/j.apsb.2024.03.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/02/2024] [Accepted: 02/02/2024] [Indexed: 06/05/2024] Open
Abstract
Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) protect against diabetic cardiovascular diseases and nephropathy. However, their activity in diabetic retinopathy (DR) remains unclear. Our retrospective cohort study involving 1626 T2DM patients revealed superior efficacy of GLP-1 RAs in controlling DR compared to other glucose-lowering medications, suggesting their advantage in DR treatment. By single-cell RNA-sequencing analysis and immunostaining, we observed a high expression of GLP-1R in retinal endothelial cells, which was down-regulated under diabetic conditions. Treatment of GLP-1 RAs significantly restored the receptor expression, resulting in an improvement in retinal degeneration, vascular tortuosity, avascular vessels, and vascular integrity in diabetic mice. GO and GSEA analyses further implicated enhanced mitochondrial gene translation and mitochondrial functions by GLP-1 RAs. Additionally, the treatment attenuated STING signaling activation in retinal endothelial cells, which is typically activated by leaked mitochondrial DNA. Expression of STING mRNA was positively correlated to the levels of angiogenic and inflammatory factors in the endothelial cells of human fibrovascular membranes. Further investigation revealed that the cAMP-responsive element binding protein played a role in the GLP-1R signaling pathway on suppression of STING signaling. This study demonstrates a novel role of GLP-1 RAs in the protection of diabetic retinal vasculature by inhibiting STING-elicited inflammatory signals.
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Affiliation(s)
- Xuemin He
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Siying Wen
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Xixiang Tang
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- VIP Medical Service Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Zheyao Wen
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Rui Zhang
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Shasha Li
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Rong Gao
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Jin Wang
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Yanhua Zhu
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Dong Fang
- Department of Fundus, Shenzhen Eye Hospital of Jinan University, Shenzhen 518048, China
| | - Ting Li
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Ruiping Peng
- Department of Ophthalmology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Zhaotian Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Shiyi Wen
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Li Zhou
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Department of Clinical Immunology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Heying Ai
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Yan Lu
- Department of Clinical Immunology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Shaochong Zhang
- Department of Fundus, Shenzhen Eye Hospital of Jinan University, Shenzhen 518048, China
| | - Guojun Shi
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
| | - Yanming Chen
- Department of Endocrinology and Metabolic Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
- Guangdong Provincial Key Laboratory of Diabetology & Guangzhou Municipal Key Laboratory of Mechanistic and Translational Obesity Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
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Xiao Z, Cui X, Liu F, Wang Y, Liu X, Zhou W, Zhang Y. Tumor vascular disrupting agent 5,6-dimethylxanthenone-4-acetic acid (DMXAA): Suppresses macrophage capping protein beyond STING activation. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167149. [PMID: 38565383 DOI: 10.1016/j.bbadis.2024.167149] [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: 10/27/2023] [Revised: 03/04/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
The vascular disrupting agent (VDA) 5,6-dimethylxanthenone-4-acetic acid (DMXAA) induces apoptosis in vascular endothelial cells and leads to tumor hemorrhagic necrosis. While DMXAA has been proven to be a potent agonist of murine stimulator of interferon genes (mSTING), it has little effect on human-STING (hSTING). This species selectivity of DMXAA may explain its effectiveness against solid tumors in mice and its failure in clinical trials. However, DMXAA did reduce tumor volume in some patients during clinical trials. These paradoxical results have prompted us to investigate the anti-tumor mechanism of DMXAA beyond STING in the destruction of tumor vasculature in humans. In this study, we demonstrated that DMXAA binds to both human and mouse macrophage capping protein (CapG), with a KD of 5.839 μM for hCapG and a KD of 2.867 μM for mCapG, as determined by surface plasmon resonance (SPR) analysis. Homology modeling and molecular docking analysis of hCapG indicated that the critical residues involved in the hydrogen bond interaction of DMXAA with hCapG were Arg153, Thr151, and GLN141, Asn234. In addition, electrostatic pi-cation interaction occurred between DMXAA and hCapG. Further functional studies revealed that CapG protein plays a crucial role in the effects of DMXAA on human umbilical endothelial vein cell (HUEVC) angiogenesis and migration, as well as the expression of cytoskeletal proteins actin and tubulin, and the invasion of A549 lung adenocarcinoma cells. Our study has originally uncovered a novel cross-species pathway underlying the antitumor vascular disruption of DMXAA extends beyond STING activation. This finding deepens our understanding of the multifaceted actions of flavonoid VDAs in animal models and in clinical settings, and may provide insights for the precise therapy of DMXAA based on the biomarker CapG protein.
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Affiliation(s)
- Zhiyong Xiao
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Xia Cui
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Feng Liu
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Ying Wang
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Xiao Liu
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wenxia Zhou
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
| | - Yongxiang Zhang
- Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China; State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China; Nanjing University of Chinese Medicine, Nanjing 210023, China.
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Zhou Y, Huang X, Jin Y, Qiu M, Ambe PC, Basharat Z, Hong W. The role of mitochondrial damage-associated molecular patterns in acute pancreatitis. Biomed Pharmacother 2024; 175:116690. [PMID: 38718519 DOI: 10.1016/j.biopha.2024.116690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 06/03/2024] Open
Abstract
Acute pancreatitis (AP) is one of the most common gastrointestinal tract diseases with significant morbidity and mortality. Current treatments remain unspecific and supportive due to the severity and clinical course of AP, which can fluctuate rapidly and unpredictably. Mitochondria, cellular power plant to produce energy, are involved in a variety of physiological or pathological activities in human body. There is a growing evidence indicating that mitochondria damage-associated molecular patterns (mtDAMPs) play an important role in pathogenesis and progression of AP. With the pro-inflammatory properties, released mtDAMPs may damage pancreatic cells by binding with receptors, activating downstream molecules and releasing inflammatory factors. This review focuses on the possible interaction between AP and mtDAMPs, which include cytochrome c (Cyt c), mitochondrial transcription factor A (TFAM), mitochondrial DNA (mtDNA), cardiolipin (CL), adenosine triphosphate (ATP) and succinate, with focus on experimental research and potential therapeutic targets in clinical practice. Preventing or diminishing the release of mtDAMPs or targeting the mtDAMPs receptors might have a role in AP progression.
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Affiliation(s)
- Yan Zhou
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Xiaoyi Huang
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yinglu Jin
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Minhao Qiu
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Peter C Ambe
- Department of General Surgery, Visceral Surgery and Coloproctology, Vinzenz-Pallotti-Hospital Bensberg, Vinzenz-Pallotti-Str. 20-24, Bensberg 51429, Germany
| | | | - Wandong Hong
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
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Kim JY, Quan T. Emerging Perspectives of YAP/TAZ in Human Skin Epidermal and Dermal Aging. Ann Dermatol 2024; 36:135-144. [PMID: 38816974 PMCID: PMC11148314 DOI: 10.5021/ad.23.156] [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: 12/11/2023] [Revised: 01/25/2024] [Accepted: 02/18/2024] [Indexed: 06/01/2024] Open
Abstract
Yes-associated protein (YAP) and transcriptional coactivator with PDZ-binding motif (TAZ) are key downstream effectors of the Hippo signaling pathway, which plays a central role in tissue homeostasis, organ development, and regeneration. While the dysregulation of YAP/TAZ has been linked to various human diseases, their involvement in the aging of human skin has only recently begun to manifest. In the skin, the YAP/TAZ effectors emerge as central regulators in maintaining homeostasis of epidermal stem cells and dermal extracellular matrix, and thus intimately linked to skin aging processes. This review underscores recent molecular breakthroughs highlighting how age-related decline of YAP/TAZ activity impacts human epidermal and dermal aging. Gaining insight into the evolving roles of YAP/TAZ in human skin aging presents a promising avenue for the development of innovative therapeutic approaches aimed at enhancing skin health and addressing age-related skin conditions.
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Affiliation(s)
- Jun Young Kim
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
- Department of Dermatology, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA.
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Zhong S, Zhou Q, Yang J, Zhang Z, Zhang X, Liu J, Chang X, Wang H. Relationship between the cGAS-STING and NF-κB pathways-role in neurotoxicity. Biomed Pharmacother 2024; 175:116698. [PMID: 38713946 DOI: 10.1016/j.biopha.2024.116698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/16/2024] [Accepted: 05/01/2024] [Indexed: 05/09/2024] Open
Abstract
Neurotoxicity can cause a range of symptoms and disorders in humans, including neurodegenerative diseases, neurodevelopmental disorders, nerve conduction abnormalities, neuroinflammation, autoimmune disorders, and cognitive deficits. The cyclic guanosine-adenosine synthase (cGAS)-stimulator of interferon genes (STING) pathway and NF-κB pathway are two important signaling pathways involved in the innate immune response. The cGAS-STING pathway is activated by the recognition of intracellular DNA, which triggers the production of type I interferons and pro-inflammatory cytokines, such as tumor necrosis factor, IL-1β, and IL-6. These cytokines play a role in oxidative stress and mitochondrial dysfunction in neurons. The NF-κB pathway is activated by various stimuli, such as bacterial lipopolysaccharide, viral particle components, and neurotoxins. NF-κB activation may lead to the production of pro-inflammatory cytokines, which promote neuroinflammation and cause neuronal damage. A potential interaction exists between the cGAS-STING and NF-κB pathways, and NF-κB activation blocks STING degradation by inhibiting microtubule-mediated STING transport. This review examines the progress of research on the roles of these pathways in neurotoxicity and their interrelationships. Understanding the mechanisms of these pathways will provide valuable therapeutic insights for preventing and controlling neurotoxicity.
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Affiliation(s)
- Shiyin Zhong
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Qiongli Zhou
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Jirui Yang
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Zhimin Zhang
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Xin Zhang
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Jingjing Liu
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Xuhong Chang
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China
| | - Hui Wang
- Department of Toxicology, School of Public Health, Lanzhou University, Gansu 730000, China.
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Li XJY, Qu JR, Zhang YH, Liu RP. The dual function of cGAS-STING signaling axis in liver diseases. Acta Pharmacol Sin 2024; 45:1115-1129. [PMID: 38233527 PMCID: PMC11130165 DOI: 10.1038/s41401-023-01220-5] [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: 11/01/2023] [Accepted: 12/17/2023] [Indexed: 01/19/2024] Open
Abstract
Numerous liver diseases, such as nonalcoholic fatty liver disease, hepatitis, hepatocellular carcinoma, and hepatic ischemia-reperfusion injury, have been increasingly prevalent, posing significant threats to global health. In recent decades, there has been increasing evidence linking the dysregulation of cyclic-GMP-AMP synthase (cGAS)-stimulator of interferon gene (STING)-related immune signaling to liver disorders. Both hyperactivation and deletion of STING can disrupt the immune microenvironment dysfunction, exacerbating liver disorders. Consequently, there has been a surge in research investigating medical agents or mediators targeting cGAS-STING signaling. Interestingly, therapeutic manipulation of the cGAS-STING pathway has yielded inconsistent and even contradictory effects on different liver diseases due to the distinct physiological characteristics of intrahepatic cells that express and respond to STING. In this review, we comprehensively summarize recent advancements in understanding the dual roles of the STING pathway, highlighting that the benefits of targeting STING signaling depend on the specific types of target cells and stages of liver injury. Additionally, we offer a novel perspective on the suitability of STING agonists and antagonists for clinical assessment. In conclusion, STING signaling remains a highly promising therapeutic target, and the development of STING pathway modulators holds great potential for the treatment of liver diseases.
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Affiliation(s)
- Xiao-Jiao-Yang Li
- School of Life Sciences, Beijing University of Chinese Medicine, 11 Bei San Huan Dong Lu, Beijing, 100029, China.
| | - Jiao-Rong Qu
- School of Life Sciences, Beijing University of Chinese Medicine, 11 Bei San Huan Dong Lu, Beijing, 100029, China
| | - Yin-Hao Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, 11 Bei San Huan Dong Lu, Beijing, 100029, China
| | - Run-Ping Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, 11 Bei San Huan Dong Lu, Beijing, 100029, China.
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Wang Y, Xu G, Wen J, Zhao X, Zhao H, Lv G, Xu Y, Xiu Y, Li J, Chen S, Yao Q, Chen Y, Ma L, Xiao X, Cao J, Bai Z. Flavonoid extracted from Epimedium attenuate cGAS-STING-mediated diseases by targeting the formation of functional STING signalosome. Immunology 2024; 172:295-312. [PMID: 38453210 DOI: 10.1111/imm.13771] [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] [Accepted: 02/19/2024] [Indexed: 03/09/2024] Open
Abstract
Hyperactivation of the cyclic-GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signalling pathway has been shown to be associated with the development of a variety of inflammatory diseases, and the discovery of an inhibitor of the cGAS-STING signalling pathway holds great promise in the therapeutic interventions. Epimedium flavonoid (EF), a major active ingredient isolated from the medicinal plant Epimedium, has been reported to have good anti-inflammatory activity, but its exact mechanism of action remains unclear. In the present study, we found that EF in mouse bone marrow-derived macrophages (BMDMs), THP-1 (Tohoku Hospital Pediatrics-1) as well as in human peripheral blood mononuclear cells (hPBMC) inhibited the activation of the cGAS-STING signalling pathway, which subsequently led to a decrease in the expression of type I interferon (IFN-β, CXCL10 and ISG15) and pro-inflammatory cytokines (IL-6 and TNF-α). Mechanistically, EF does not affect STING oligomerization, but inhibits the formation of functional STING signalosome by attenuating the interaction of interferon regulatory factor 3 (IRF3) with STING and TANK-binding kinase 1 (TBK1). Importantly, in vivo experiments, EF has shown promising therapeutic effects on inflammatory diseases mediated by the cGAS-STING pathway, which include the agonist model induced by DMXAA stimulation, the autoimmune inflammatory disease model induced by three prime repair exonuclease 1 (Trex1) deficiency, and the non-alcoholic steatohepatitis (NASH) model induced by a pathogenic amino acid and choline deficiency diet (MCD). To summarize, our study suggests that EF is a potent potential inhibitor component of the cGAS-STING signalling pathway for the treatment of inflammatory diseases mediated by the cGAS-STING signalling pathway.
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Affiliation(s)
- Yan Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Guang Xu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Jincai Wen
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaomei Zhao
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Huanying Zhao
- Core Facilities Center, Capital Medical University, Beijing, China
| | - Guiji Lv
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yingjie Xu
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ye Xiu
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Junjie Li
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Simin Chen
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Qing Yao
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuanyuan Chen
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lina Ma
- Department of Pharmacy, Dongfang Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohe Xiao
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Junling Cao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- Department of Pharmacy, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Zhaofang Bai
- Department of Hepatology, The Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
- Military Institute of Chinese Materia, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China
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49
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Ednacot EMQ, Nabhani A, Dinh DM, Morehouse BR. Pharmacological potential of cyclic nucleotide signaling in immunity. Pharmacol Ther 2024; 258:108653. [PMID: 38679204 DOI: 10.1016/j.pharmthera.2024.108653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 03/16/2024] [Accepted: 04/17/2024] [Indexed: 05/01/2024]
Abstract
Cyclic nucleotides are important signaling molecules that play many critical physiological roles including controlling cell fate and development, regulation of metabolic processes, and responding to changes in the environment. Cyclic nucleotides are also pivotal regulators in immune signaling, orchestrating intricate processes that maintain homeostasis and defend against pathogenic threats. This review provides a comprehensive examination of the pharmacological potential of cyclic nucleotide signaling pathways within the realm of immunity. Beginning with an overview of the fundamental roles of cAMP and cGMP as ubiquitous second messengers, this review delves into the complexities of their involvement in immune responses. Special attention is given to the challenges associated with modulating these signaling pathways for therapeutic purposes, emphasizing the necessity for achieving cell-type specificity to avert unintended consequences. A major focus of the review is on the recent paradigm-shifting discoveries regarding specialized cyclic nucleotide signals in the innate immune system, notably the cGAS-STING pathway. The significance of cyclic dinucleotides, exemplified by 2'3'-cGAMP, in controlling immune responses against pathogens and cancer, is explored. The evolutionarily conserved nature of cyclic dinucleotides as antiviral agents, spanning across diverse organisms, underscores their potential as targets for innovative immunotherapies. Findings from the last several years have revealed a striking diversity of novel bacterial cyclic nucleotide second messengers which are involved in antiviral responses. Knowledge of the existence and precise identity of these molecules coupled with accurate descriptions of their associated immune defense pathways will be essential to the future development of novel antibacterial therapeutic strategies. The insights presented herein may help researchers navigate the evolving landscape of immunopharmacology as it pertains to cyclic nucleotides and point toward new avenues or lines of thinking about development of therapeutics against the pathways they regulate.
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Affiliation(s)
- Eirene Marie Q Ednacot
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Ali Nabhani
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - David M Dinh
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
| | - Benjamin R Morehouse
- Department of Molecular Biology and Biochemistry, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA; Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University of California Irvine, Irvine, CA 92697, USA; Institute for Immunology, University of California Irvine, Irvine, CA 92697, USA; Center for Virus Research, University of California Irvine, Irvine, CA 92697, USA.
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50
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Wang J, Meng F, Yeo Y. Delivery of STING agonists for cancer immunotherapy. Curr Opin Biotechnol 2024; 87:103105. [PMID: 38461748 PMCID: PMC11162310 DOI: 10.1016/j.copbio.2024.103105] [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: 12/23/2023] [Revised: 02/15/2024] [Accepted: 02/18/2024] [Indexed: 03/12/2024]
Abstract
Agonists of the cyclic guanosine monophosphate-adenosine monophosphate synthase (cGAS)-Stimulator of Interferon Genes (STING) pathway, a critical mediator of innate immune response to foreign invaders with DNA, have gained significant interest in cancer immunotherapy. STING agonists are envisioned as a way of complementing the antitumor activity of the patient's immune system and immune checkpoint blockade therapy. However, their clinical development has been challenging due to the poor pharmacokinetic and physicochemical properties. This review discusses drug delivery efforts to circumvent the challenges, their accomplishment, and unmet needs based on the last five years of literature.
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Affiliation(s)
- Jianping Wang
- Department of Industrial and Molecular Pharmaceutics, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA
| | - Fanfei Meng
- Department of Industrial and Molecular Pharmaceutics, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA; Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, 3 Solomont Way, Lowell, MA 01854, USA
| | - Yoon Yeo
- Department of Industrial and Molecular Pharmaceutics, Purdue University, 575 Stadium Mall Drive, West Lafayette, IN 47907, USA; Purdue University Institute for Cancer Research, 201 South University Street, West Lafayette, IN 47907, USA; Weldon School of Biomedical Engineering, Purdue University, 206 S Martin Jischke Drive, West Lafayette, IN 47907, USA.
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