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Yuan M, Zhang C, Chen S, Ye S, Liu H, Ke H, Huang J, Liang G, Yu R, Hu T, Wu X, Lan P. PDP1 promotes KRAS mutant colorectal cancer progression by serving as a scaffold for BRAF and MEK1. Cancer Lett 2024; 597:217007. [PMID: 38849010 DOI: 10.1016/j.canlet.2024.217007] [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: 02/18/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/09/2024]
Abstract
The oncogenic role of KRAS in colorectal cancer (CRC) progression is well-established. Despite this, identifying effective therapeutic targets for KRAS-mutated CRC remains a significant challenge. This study identifies pyruvate dehydrogenase phosphatase catalytic subunit 1 (PDP1) as a previously unrecognized yet crucial regulator in the progression of KRAS mutant CRC. A substantial upregulation of PDP1 expression is observed in KRAS mutant CRC cells and tissues compared to wild-type KRAS samples, which correlates with poorer prognosis. Functional experiments elucidate that PDP1 accelerates the malignance of KRAS mutant CRC cells, both in vitro and in vivo. Mechanistically, PDP1 acts as a scaffold, enhancing BRAF and MEK1 interaction and activating the MAPK signaling, thereby promoting CRC progression. Additionally, transcription factor KLF5 is identified as the key regulator for PDP1 upregulation in KRAS mutant CRC. Crucially, targeting PDP1 combined with MAPK inhibitors exhibits an obvious inhibitory effect on KRAS mutant CRC. Overall, PDP1 is underscored as a vital oncogenic driver and promising therapeutic target for KRAS mutant CRC.
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Affiliation(s)
- Ming Yuan
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Chi Zhang
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Shaopeng Chen
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Shubiao Ye
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Huashan Liu
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Haoxian Ke
- Department of Gastrointestinal Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510288, PR China
| | - Junfeng Huang
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Guanzhan Liang
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Runfeng Yu
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China
| | - Tuo Hu
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China.
| | - Xianrui Wu
- Department of Gastrointestinal Surgery, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510288, PR China.
| | - Ping Lan
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, 510655, PR China; State Key Laboratory of Oncology in South China, PR China.
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2
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Damås JK, Otterdal K, Astrup E, Lekva T, Janardhanan J, Michelsen A, Aukrust P, Varghese GM, Ueland T. Canonical notch activation in patients with scrub typhus: association with organ dysfunction and poor outcome. Infection 2024; 52:1357-1365. [PMID: 38502427 PMCID: PMC11288987 DOI: 10.1007/s15010-024-02192-2] [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: 12/04/2023] [Accepted: 01/19/2024] [Indexed: 03/21/2024]
Abstract
PURPOSE The mechanisms that control inflammation in scrub typhus are not fully elucidated. The Notch pathways are important regulators of inflammation and infection, but have not been investigated in scrub typhus. METHODS Plasma levels of the canonical Notch ligand Delta-like protein 1 (DLL1) were measured by enzyme immunoassay and RNA expression of the Notch receptors (NOTCH1, NOTCH2 and NOTCH4) in whole blood was analyzed by real-time PCR in patients with scrub typhus (n = 129), in patients with similar febrile illness without O. tsutsugamushi infection (n = 31) and in healthy controls (n = 31); all from the same area of South India. RESULTS Our main results were: (i) plasma DLL1 was markedly increased in scrub typhus patients at hospital admission with a significant decrease during recovery. (ii) RNA expression of NOTCH4 was decreased at admission in whole blood. (iii) A similar pattern for DLL1 and NOTCH4 was seen in febrile disease controls. (iv) Admission DLL1 in plasma was associated with disease severity and short-term survival. (vi) Regulation of Notch pathways in O. tsutsugamushi-infected monocytes as evaluated by public repository data revealed enhanced canonical Notch activation with upregulation of DLL1 and downregulation of NOTCH4. CONCLUSION Our findings suggest that scrub typhus patients are characterized by enhanced canonical Notch activation. Elevated plasma levels of DLL1 were associated with organ dysfunction and poor outcomes in these patients.
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Affiliation(s)
- Jan K Damås
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
- Department of Infectious Diseases, St. Olavs Hospital, Trondheim, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - Kari Otterdal
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - Elisabeth Astrup
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Akershus University Hospital, Lørenskog, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - Tove Lekva
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - Jeshina Janardhanan
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
- Department of Infectious Diseases, Christian Medical College, Vellore, Tamil Nadu, India
| | - Annika Michelsen
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - Pål Aukrust
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Oslo, Norway
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
| | - George M Varghese
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India
- Department of Infectious Diseases, Christian Medical College, Vellore, Tamil Nadu, India
| | - Thor Ueland
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway.
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Thrombosis Research Center (TREC), Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway.
- Department of Medicine, Christian Medical College, Vellore, Tamil Nadu, India.
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Zack SR, Alzoubi O, Satoeya N, Singh KP, Deen S, Nijim W, Lewis MJ, Pitzalis C, Sweiss N, Ivashkiv LB, Shahrara S. Another Notch in the Belt of Rheumatoid Arthritis. Arthritis Rheumatol 2024. [PMID: 38961731 DOI: 10.1002/art.42937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/28/2024] [Accepted: 06/13/2024] [Indexed: 07/05/2024]
Abstract
Notch ligands and receptors, including JAG1/2, DLL1/4, and Notch1/3, are enriched on macrophages (MΦs), fibroblast-like synoviocytes (FLS), and/or endothelial cells in rheumatoid arthritis (RA) compared with normal synovial tissues (ST). Power Doppler ultrasound-guided ST studies reveal that the Notch family is highly involved in early active RA, especially during neovascularization. In contrast, the Notch family is not implicated during the erosive stage, evidenced by their lack of correlation with radiographic damage in RA ST. Toll-like receptors and tumor necrosis factor (TNF) are the common inducers of Notch expression in RA MΦs, FLS, and endothelial cells. Among Notch ligands, JAG1 and/or DLL4 are most inducible by inflammatory responses in RA MΦs or endothelial cells and transactivate their receptors on RA FLS. TNF plays a central role on Notch ligands, as anti-TNF good responders display JAG1/2 and DLL1/4 transcriptional downregulation in RA ST myeloid cells. In in vitro studies, TNF increases Notch3 expression in MΦs, which is further amplified by RA FLS addition. Specific disease-modifying antirheumatic drugs reduced JAG1 and Notch3 expression in MΦ and RA FLS cocultures. Organoids containing FLS and endothelial cells have increased expression of JAG1 and Notch3. Nonetheless, Methotrexate, interleukin-6 receptor (IL-6R) antibodies, and B cell blockers are mostly ineffective at decreasing Notch family expression. NF-κB, MAPK, and AKT pathways are involved in Notch signaling, whereas JAK/STATs are not. Although Notch blockade has been effective in RA preclinical studies, its small molecule inhibitors have failed in phase I and II studies, suggesting that alternative strategies may be required to intercept their function.
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Affiliation(s)
- Stephanie R Zack
- Jesse Brown VA Medical Center and The University of Illinois at Chicago, Chicago, Illinois
| | - Osama Alzoubi
- Jesse Brown VA Medical Center and The University of Illinois at Chicago, Chicago, Illinois
| | - Neha Satoeya
- Jesse Brown VA Medical Center and The University of Illinois at Chicago, Chicago, Illinois
| | - Kunwar P Singh
- The University of Illinois at Chicago, Chicago, Illinois
| | - Sania Deen
- The University of Illinois at Chicago, Chicago, Illinois
| | - Wes Nijim
- The University of Illinois at Chicago, Chicago, Illinois
| | - Myles J Lewis
- Queen Mary University of London and Barts NIHR BRC & NHS Trust, London, UK
| | - Costantino Pitzalis
- Queen Mary University of London and Barts NIHR BRC & NHS Trust, London, UK, Humanitas University, and Humanitas Research Hospital, Milan, Italy
| | - Nadera Sweiss
- The University of Illinois at Chicago, Chicago, Illinois
| | - Lionel B Ivashkiv
- Hospital for Special Surgery, Weill Cornell Graduate School of Medical Sciences, and Weill Cornell Medical College, New York, New York
| | - Shiva Shahrara
- Jesse Brown VA Medical Center and The University of Illinois at Chicago, Chicago, Illinois
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Bessoles S, Chiron A, Sarrabayrouse G, De La Grange P, Abina AM, Hacein-Bey-Abina S. Erythropoietin induces tumour progression and CD39 expression on immune cells in a preclinical model of triple-negative breast cancer. Immunology 2024. [PMID: 38953295 DOI: 10.1111/imm.13832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 06/14/2024] [Indexed: 07/04/2024] Open
Abstract
The adverse effects observed in some cancer patients treated with erythropoiesis-stimulating agents such as erythropoietin (EPO) might be due to the latter's well-known immunosuppressive functions. Here, we used a mouse model of syngeneic triple-negative breast cancer to explore EPO's immunomodulatory role in a tumour setting. Our results showed that EPO treatment promotes tumour growth, exacerbates the 'immune desert', and results in a 'cold tumour'. EPO treatment changed the immune cell distribution in peripheral blood, secondary lymphoid organs, and the tumour microenvironment (TME). Our in-depth analysis showed that EPO mainly impacts CD4 T cells by accelerating their activation in the spleen and thus their subsequent exhaustion in the TME. This process is accompanied by a general elevation of CD39 expression by several immune cells (notably CD4 T cells in the tumour and spleen), which promotes an immunosuppressive TME. Lastly, we identified a highly immunosuppressive CD39+ regulatory T cell population (ICOS+, CTLA4+, Ki67+) as a potential biomarker of the risk of EPO-induced tumour progression. EPO displays pleiotropic immunosuppressive functions and enhances mammary tumour progression in mice.
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Affiliation(s)
- Stéphanie Bessoles
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité des Technologies Chimiques et Biologiques pour la Santé, Paris, France
| | - Andrada Chiron
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité des Technologies Chimiques et Biologiques pour la Santé, Paris, France
- Clinical Immunology Laboratory, Groupe Hospitalier Universitaire Paris-Sud, Hôpital Kremlin-Bicêtre, Assistance Publique-Hôpitaux de Paris, Le-Kremlin-Bicêtre, France
| | - Guillaume Sarrabayrouse
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité des Technologies Chimiques et Biologiques pour la Santé, Paris, France
| | | | - Amine M Abina
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité des Technologies Chimiques et Biologiques pour la Santé, Paris, France
| | - Salima Hacein-Bey-Abina
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité des Technologies Chimiques et Biologiques pour la Santé, Paris, France
- Clinical Immunology Laboratory, Groupe Hospitalier Universitaire Paris-Sud, Hôpital Kremlin-Bicêtre, Assistance Publique-Hôpitaux de Paris, Le-Kremlin-Bicêtre, France
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5
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Haque MM, Kuppusamy P, Melemedjian OK. Disruption of mitochondrial pyruvate oxidation in dorsal root ganglia drives persistent nociceptive sensitization and causes pervasive transcriptomic alterations. Pain 2024; 165:1531-1549. [PMID: 38285538 PMCID: PMC11189764 DOI: 10.1097/j.pain.0000000000003158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 10/04/2023] [Accepted: 10/18/2023] [Indexed: 01/31/2024]
Abstract
ABSTRACT Metabolism is inextricably linked to every aspect of cellular function. In addition to energy production and biosynthesis, metabolism plays a crucial role in regulating signal transduction and gene expression. Altered metabolic states have been shown to maintain aberrant signaling and transcription, contributing to diseases like cancer, cardiovascular disease, and neurodegeneration. Metabolic gene polymorphisms and defects are also associated with chronic pain conditions, as are increased levels of nerve growth factor (NGF). However, the mechanisms by which NGF may modulate sensory neuron metabolism remain unclear. This study demonstrated that intraplantar NGF injection reprograms sensory neuron metabolism. Nerve growth factor suppressed mitochondrial pyruvate oxidation and enhanced lactate extrusion, requiring 24 hours to increase lactate dehydrogenase A and pyruvate dehydrogenase kinase 1 (PDHK1) expression. Inhibiting these metabolic enzymes reversed NGF-mediated effects. Remarkably, directly disrupting mitochondrial pyruvate oxidation induced severe, persistent allodynia, implicating this metabolic dysfunction in chronic pain. Nanopore long-read sequencing of poly(A) mRNA uncovered extensive transcriptomic changes upon metabolic disruption, including altered gene expression, splicing, and poly(A) tail lengths. By linking metabolic disturbance of dorsal root ganglia to transcriptome reprogramming, this study enhances our understanding of the mechanisms underlying persistent nociceptive sensitization. These findings imply that impaired mitochondrial pyruvate oxidation may drive chronic pain, possibly by impacting transcriptomic regulation. Exploring these metabolite-driven mechanisms further might reveal novel therapeutic targets for intractable pain.
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Affiliation(s)
- Md Mamunul Haque
- Deptartmen of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Panjamurthy Kuppusamy
- Deptartmen of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Ohannes K. Melemedjian
- Deptartmen of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
- UM Center to Advance Chronic Pain Research, Baltimore, MD, United States
- UM Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, United States
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6
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Wong A, Sun Q, Latif II, Karwi QG. Metabolic flux in macrophages in obesity and type-2 diabetes. JOURNAL OF PHARMACY & PHARMACEUTICAL SCIENCES : A PUBLICATION OF THE CANADIAN SOCIETY FOR PHARMACEUTICAL SCIENCES, SOCIETE CANADIENNE DES SCIENCES PHARMACEUTIQUES 2024; 27:13210. [PMID: 38988822 PMCID: PMC11233469 DOI: 10.3389/jpps.2024.13210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/14/2024] [Indexed: 07/12/2024]
Abstract
Recent literature extensively investigates the crucial role of energy metabolism in determining the inflammatory response and polarization status of macrophages. This rapidly expanding area of research highlights the importance of understanding the link between energy metabolism and macrophage function. The metabolic pathways in macrophages are intricate and interdependent, and they can affect the polarization of macrophages. Previous studies suggested that glucose flux through cytosolic glycolysis is necessary to trigger pro-inflammatory phenotypes of macrophages, and fatty acid oxidation is crucial to support anti-inflammatory responses. However, recent studies demonstrated that this understanding is oversimplified and that the metabolic control of macrophage polarization is highly complex and not fully understood yet. How the metabolic flux through different metabolic pathways (glycolysis, glucose oxidation, fatty acid oxidation, ketone oxidation, and amino acid oxidation) is altered by obesity- and type 2 diabetes (T2D)-associated insulin resistance is also not fully defined. This mini-review focuses on the impact of insulin resistance in obesity and T2D on the metabolic flux through the main metabolic pathways in macrophages, which might be linked to changes in their inflammatory responses. We closely evaluated the experimental studies and methodologies used in the published research and highlighted priority research areas for future investigations.
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Affiliation(s)
- Angela Wong
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Qiuyu Sun
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Ismail Ibrahim Latif
- Department of Microbiology, College of Medicine, University of Diyala, Baqubaa, Diyala, Iraq
| | - Qutuba G Karwi
- Division of BioMedical Sciences, Faculty of Medicine, Memorial University of Newfoundland, Saint John's, NL, Canada
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7
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de Cavanagh EMV, Inserra F, Ferder L. Renin-angiotensin system inhibitors positively impact on multiple aging regulatory pathways: Could they be used to protect against human aging? Physiol Rep 2024; 12:e16094. [PMID: 38924381 PMCID: PMC11200104 DOI: 10.14814/phy2.16094] [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: 02/22/2024] [Revised: 05/18/2024] [Accepted: 05/18/2024] [Indexed: 06/28/2024] Open
Abstract
The renin-angiotensin system (RAS)-a classical blood pressure regulator-largely contributes to healthy organ development and function. Besides, RAS activation promotes age-related changes and age-associated diseases, which are attenuated/abolished by RAS-blockade in several mammalian species. RAS-blockers also increase rodent lifespan. In previous work, we discussed how RAS-blockade downregulates mTOR and growth hormone/IGF-1 signaling, and stimulates AMPK activity (together with klotho, sirtuin, and vitamin D-receptor upregulation), and proposed that at least some of RAS-blockade's aging benefits are mediated through regulation of these intermediaries and their signaling to mitochondria. Here, we included RAS-blockade's impact on other aging regulatory pathways, that is, TGF-ß, NF-kB, PI3K, MAPK, PKC, Notch, and Wnt, all of which affect mitochondria. No direct evidence is available on RAS/RAS-blockade-aging regulatory pathway-mitochondria interactions. However, existing results allow to conjecture that RAS-blockers neutralize mitochondrial dysfunction by acting on the discussed pathways. The reviewed evidence led us to propose that the foundation is laid for conducting clinical trials aimed at testing whether angiotensin-converting enzyme inhibitors (ACEi) or angiotensin receptor blockers (ARB)-even at subclinical doses-offer the possibility to live longer and in better health. As ACEi and ARB are low cost and well-tolerated anti-hypertension therapies in use for over 35 years, investigating their administration to attenuate/prevent aging effects seems simple to implement.
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Affiliation(s)
| | - Felipe Inserra
- Department of MedicineMaimonides UniversityBuenos AiresArgentina
- Master of Vascular Mechanics and Arterial Hypertension, Postgraduate DepartmentAustral UniversityPilarArgentina
| | - León Ferder
- Department of MedicineMaimonides UniversityBuenos AiresArgentina
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8
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Qu R, Peng Y, Xu S, Zhou M, Yin X, Liu B, Bi H, Guo D. RBPJ Knockdown Promotes M2 Macrophage Polarization Through Mitochondrial ROS-mediated Notch1-Jagged1-Hes1 Signaling Pathway in Uveitis. Inflammation 2024:10.1007/s10753-024-02053-y. [PMID: 38761249 DOI: 10.1007/s10753-024-02053-y] [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: 01/22/2024] [Revised: 04/26/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Uveitis is an autoimmune eye disease that can be involved in the entire body and is one of the leading causes of blindness. Therefore, comprehending the mechanisms underlying the development and regulation of ocular immune responses in uveitis is crucial for designing effective therapeutic interventions. In this study, we investigated how RBPJ regulates macrophage polarization in uveitis. We demonstrated that targeted RBPJ knockdown (RBPJKD) promotes M2 macrophage polarization and ameliorates uveitis through the mtROS-mediated Notch1-Jagged1-Hes1 signaling pathway. Real-time quantitative (Q-PCR) analysis revealed that the Notch1-Jagged1-Hes1 signaling pathway was active in the eye tissues of experimental autoimmune uveitis (EAU) rats. Immunofluorescence double staining confirmed enhanced signaling primarily occurring in macrophages, establishing a correlation between the Notch1 signaling pathway and macrophages. Transmission electron microscopy evaluated the morphological and functional changes of mitochondria in each group's eye tissues. It demonstrated significant swelling and disorganization in the EAU group, which were effectively restored upon RBPJ knockdown intervention. Finally, by employing an antioxidant N-acetyl-L-cysteine (NAC) to eliminate mtROS in vivo, we observed a decrease in the M2 macrophage polarization level, which prevented the cytoprotective effect conferred by RBPJKD. These findings underscore the relevance of the Notch signaling pathway to the immune system while highlighting the potential role of mtROS as a therapeutic target for inflammation and other related diseases.
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Affiliation(s)
- Ruyi Qu
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Yuan Peng
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Shuqin Xu
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Mengxian Zhou
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Xuewei Yin
- Affiliated Eye Hospital of Shandong, University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Bin Liu
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Hongsheng Bi
- Affiliated Eye Hospital of Shandong, University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Dadong Guo
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases, Shandong Academy of Eye Disease Prevention and Therapy, Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, No. 48#, Yingxiongshan Road, Jinan, 250002, China.
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9
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Zack SR, Meyer A, Zanotti B, Volin MV, Deen S, Satoeya N, Sweiss N, Lewis MJ, Pitzalis C, Kitajewski JK, Shahrara S. Notch ligands are biomarkers of anti-TNF response in RA patients. Angiogenesis 2024; 27:273-283. [PMID: 37796367 PMCID: PMC10995106 DOI: 10.1007/s10456-023-09897-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 09/05/2023] [Indexed: 10/06/2023]
Abstract
Notch and its ligands play a critical role in rheumatoid arthritis (RA) pathogenesis. Hence, studies were conducted to delineate the functional significance of the Notch pathway in RA synovial tissue (ST) cells and the influence of RA therapies on their expression. Morphological studies reveal that JAG1, DLL4, and Notch1 are highly enriched in RA ST lining and sublining CD68+CD14+ MΦs. JAG1 and DLL4 transcription is jointly upregulated in RA MΦs reprogrammed by TLR4/5 ligation and TNF, whereas Syntenin-1 exposure expands JAG1, DLL4, and Notch1 expression levels in these cells. Single-cell RNA-seq data exhibit that JAG1 and Notch3 are overexpressed on all fibroblast-like synoviocyte (FLS) subpopulations, in parallel, JAG2, DLL1, and Notch1 expression levels are modest on RA FLS and are predominately potentiated by TLR4 ligation. Intriguingly, JAG1, DLL1/4, and Notch1/3 are presented on RA endothelial cells, and their expression is mutually reconfigured by TLR4/5 ligation in the endothelium. Synovial JAG1/JAG2/DLL1 or Notch1/3 transcriptomes were unchanged in patients who received disease-modifying anti-rheumatic drugs (DMARDs) or IL-6R Ab therapy regardless of disease activity score. Uniquely, RA MΦs and endothelial cells rewired by IL-6 displayed DLL4 transcriptional upregulation, and IL-6R antibody treatment disrupted RA ST DLL4 transcription in good responders compared to non-responders or moderate responders. Nevertheless, the JAG1/JAG2/DLL1/DLL4 transcriptome was diminished in anti-TNF good responders with myeloid pathotype and was unaltered in the fibroid pathotype except for DLL4. Taken together, our findings suggest that RA myeloid Notch ligands can serve as markers for anti-TNF responsiveness and trans-activate Notch receptors expressed on RA FLS and/or endothelial cells.
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Affiliation(s)
- Stephanie R Zack
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA
| | - Anja Meyer
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA
| | - Brian Zanotti
- Department of Microbiology and Immunology, Midwestern University, Downers Grove, IL, USA
| | - Michael V Volin
- Department of Microbiology and Immunology, Midwestern University, Downers Grove, IL, USA
| | - Sania Deen
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA
| | - Neha Satoeya
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA
| | - Nadera Sweiss
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA
| | - Myles J Lewis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Experimental Medicine & Rheumatology, William Harvey Research Institute, Queen Mary University of London and Barts NIHR BRC & NHS Trust, London, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Experimental Medicine & Rheumatology, William Harvey Research Institute, Queen Mary University of London and Barts NIHR BRC & NHS Trust, London, UK
- Department of Biomedical Sciences, Humanitas University, and Humanitas Research Hospital, Milan, Italy
| | - Jan K Kitajewski
- Department of Physiology and Biophysics, University of Illinois College of Medicine, Chicago, IL, 60612, USA
- University of Illinois Cancer Center, University of Illinois Chicago, Chicago, IL, 60612, USA
| | - Shiva Shahrara
- Jesse Brown VA Medical Center, Chicago, IL, USA.
- Department of Medicine, Division of Rheumatology, The University of Illinois at Chicago, Chicago, IL, USA.
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10
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Siouti E, Salagianni M, Manioudaki M, Pavlos E, Klinakis A, Galani IE, Andreakos E. Notch signaling in adipose tissue macrophages prevents diet-induced inflammation and metabolic dysregulation. Eur J Immunol 2024; 54:e2350669. [PMID: 38339772 DOI: 10.1002/eji.202350669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 01/25/2024] [Accepted: 01/30/2024] [Indexed: 02/12/2024]
Abstract
The importance of macrophages in adipose tissue (AT) homeostasis and inflammation is well established. However, the potential cues that regulate their function remain incompletely understood. To bridge this important gap, we sought to characterize novel pathways involved using a mouse model of diet-induced obesity. By performing transcriptomics analysis of AT macrophages (ATMs), we found that late-stage ATMs from high-fat diet mice presented with perturbed Notch signaling accompanied by robust proinflammatory and metabolic changes. To explore the hypothesis that the deregulated Notch pathway contributes to the development of AT inflammation and diet-induced obesity, we employed a genetic approach to abrogate myeloid Notch1 and Notch2 receptors. Our results revealed that the combined loss of Notch1 and Notch2 worsened obesity-related metabolic dysregulation. Body and AT weight gain was higher, blood glucose levels increased and metabolic parameters were substantially worsened in deficient mice fed high-fat diet. Moreover, serum insulin and leptin were elevated as were triglycerides. Molecular analysis of ATMs showed that deletion of Notch receptors escalated inflammation through the induction of an M1-like pro-inflammatory phenotype. Our findings thus support a protective role of myeloid Notch signaling in adipose tissue inflammation and metabolic dysregulation.
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Affiliation(s)
- Eleni Siouti
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Maria Salagianni
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Maria Manioudaki
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Eleftherios Pavlos
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Apostolos Klinakis
- Center for Basic Research, Biomedical Research Foundation Academy of Athens, Athens, 11527, Greece
| | - Ioanna-Evdokia Galani
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Evangelos Andreakos
- Laboratory of Immunobiology, Center for Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
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11
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Feng D, Hwang S, Guillot A, Wang Y, Guan Y, Chen C, Maccioni L, Gao B. Inflammation in Alcohol-Associated Hepatitis: Pathogenesis and Therapeutic Targets. Cell Mol Gastroenterol Hepatol 2024; 18:101352. [PMID: 38697358 PMCID: PMC11234022 DOI: 10.1016/j.jcmgh.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 04/25/2024] [Accepted: 04/25/2024] [Indexed: 05/05/2024]
Abstract
Alcohol-associated hepatitis (AH) is an acute-on-chronic liver injury that occurs in patients with chronic alcohol-associated liver disease (ALD). Patients with severe AH have high short-term mortality and lack effective pharmacologic therapies. Inflammation is believed to be one of the key factors promoting AH progression and has been actively investigated as therapeutic targets over the last several decades, but no effective inflammatory targets have been identified so far. In this review, we discuss how inflammatory cells and the inflammatory mediators produced by these cells contribute to the development and progression of AH, with focus on neutrophils and macrophages. The crosstalk between inflammatory cells and liver nonparenchymal cells in the pathogenesis of AH is elaborated. We also deliberate the application of recent cutting-edge technologies in characterizing liver inflammation in AH. Finally, the potential therapeutic targets of inflammatory mediators for AH are briefly summarized.
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Affiliation(s)
- Dechun Feng
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland.
| | - Seonghwan Hwang
- College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan, Republic of Korea
| | - Adrien Guillot
- Department of Hepatology and Gastroenterology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Yang Wang
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
| | - Yukun Guan
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
| | - Cheng Chen
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
| | - Luca Maccioni
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland
| | - Bin Gao
- Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland.
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12
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Wang M, Yu F, Zhang Y, Li P. Novel insights into Notch signaling in tumor immunity: potential targets for cancer immunotherapy. Front Immunol 2024; 15:1352484. [PMID: 38444855 PMCID: PMC10912471 DOI: 10.3389/fimmu.2024.1352484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/06/2024] [Indexed: 03/07/2024] Open
Abstract
Notch signaling pathway is a highly conserved system of cell-to-cell communication that participates in various biological processes, such as stem cell maintenance, cell fate decision, cell proliferation and death during homeostasis and development. Dysregulation of Notch signaling has been associated with many aspects of cancer biology, such as maintenance of cancer stem-like cells (CSCs), cancer cell metabolism, angiogenesis and tumor immunity. Particularly, Notch signaling can regulate antitumor or pro-tumor immune cells within the tumor microenvironment (TME). Currently, Notch signaling has drawn significant attention in the therapeutic development of cancer treatment. In this review, we focus on the role of Notch signaling pathway in remodeling tumor immune microenvironment. We describe the impact of Notch signaling on the efficacy of cancer immunotherapies. Furthermore, we summarize the results of relevant preclinical and clinical trials of Notch-targeted therapeutics and discuss the challenges in their clinical application in cancer therapy. An improved understanding of the involvement of Notch signaling in tumor immunity will open the door to new options in cancer immunotherapy treatment.
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Affiliation(s)
- Man Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | | | | | - Peifeng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
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13
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Chen L, Guo W, Mao C, Shen J, Wan M. Liver fibrosis: pathological features, clinical treatment and application of therapeutic nanoagents. J Mater Chem B 2024; 12:1446-1466. [PMID: 38265305 DOI: 10.1039/d3tb02790b] [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: 01/25/2024]
Abstract
Liver fibrosis is a reversible damage-repair response, the pathological features of which mainly include damage to hepatocytes, sinusoid capillarization, hepatic stellate cells activation, excessive accumulation of extracellular matrix and inflammatory response. Although some treatments (including drugs and stem cell therapy) for these pathological features have been shown to be effective, more clinical trials are needed to confirm their effectiveness. In recent years, nanomaterials-based therapies have emerged as an innovative and promising alternative to traditional drugs, being explored for the treatment of liver fibrosis diseases. Natural nanomaterials (including extracellular vesicles) and synthetic nanomaterials (including inorganic nanomaterials and organic nanomaterials) are developed to facilitate drug targeting delivery and combination therapy. In this review, the pathological features of liver fibrosis and the current anti-fibrosis drugs in clinical trials are briefly introduced, followed by a detailed introduction of the therapeutic nanoagents for the precise delivery of anti-fibrosis drugs. Finally, the future development trend in this field is discussed.
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Affiliation(s)
- Lin Chen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Wenyan Guo
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Chun Mao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
| | - Mimi Wan
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
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14
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Zhao N, Yu X, Zhu X, Song Y, Gao F, Yu B, Qu A. Diabetes Mellitus to Accelerated Atherosclerosis: Shared Cellular and Molecular Mechanisms in Glucose and Lipid Metabolism. J Cardiovasc Transl Res 2024; 17:133-152. [PMID: 38091232 DOI: 10.1007/s12265-023-10470-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 11/23/2023] [Indexed: 02/28/2024]
Abstract
Diabetes is one of the critical independent risk factors for the progression of cardiovascular disease, and the underlying mechanism regarding this association remains poorly understood. Hence, it is urgent to decipher the fundamental pathophysiology and consequently provide new insights into the identification of innovative therapeutic targets for diabetic atherosclerosis. It is now appreciated that different cell types are heavily involved in the progress of diabetic atherosclerosis, including endothelial cells, macrophages, vascular smooth muscle cells, dependence on altered metabolic pathways, intracellular lipids, and high glucose. Additionally, extensive studies have elucidated that diabetes accelerates the odds of atherosclerosis with the explanation that these two chronic disorders share some common mechanisms, such as endothelial dysfunction and inflammation. In this review, we initially summarize the current research and proposed mechanisms and then highlight the role of these three cell types in diabetes-accelerated atherosclerosis and finally establish the mechanism pinpointing the relationship between diabetes and atherosclerosis.
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Affiliation(s)
- Nan Zhao
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, 10 You'anmen Outer West 1st Street, Beijing, 100069, China
| | - Xiaoting Yu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, 10 You'anmen Outer West 1st Street, Beijing, 100069, China
| | - Xinxin Zhu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, 10 You'anmen Outer West 1st Street, Beijing, 100069, China
| | - Yanting Song
- Department of Pathology, Beijing Anzhen Hospital Affiliated to Capital Medical University, Beijing, 100029, China
| | - Fei Gao
- Department of Cardiology, Beijing Anzhen Hospital Affiliated to Capital Medical University, Beijing, 100029, China
| | - Baoqi Yu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, 10 You'anmen Outer West 1st Street, Beijing, 100069, China.
- Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing, 100069, China.
| | - Aijuan Qu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, 10 You'anmen Outer West 1st Street, Beijing, 100069, China.
- Key Laboratory of Remodeling-Related Cardiovascular Diseases, Ministry of Education, Beijing, 100069, China.
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15
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Li L, Luo J, Zhu Z, Wang P, Xu Q, Chang B, Wang D, Yu L, Lu X, Zhou J, Chen Q, Zuo D. Macrophage-expressed SRA ameliorates alcohol-induced liver injury by suppressing S-glutathionylation of Notch1 via recruiting thioredoxin. J Leukoc Biol 2024; 115:322-333. [PMID: 37726110 DOI: 10.1093/jleuko/qiad110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 06/21/2023] [Accepted: 08/09/2023] [Indexed: 09/21/2023] Open
Abstract
Scavenger receptor A (SRA) is preferentially expressed in macrophages and implicated as a multifunctional pattern recognition receptor for innate immunity. Hepatic macrophages play a primary role in the pathogenesis of alcoholic liver disease. Herein, we observed that SRA expression was significantly increased in the liver tissues of mice with alcohol-related liver injury. SRA-deficient (SRA-/-) mice developed more severe alcohol-induced liver disease than wild-type mice. Enhanced liver inflammation existed in alcohol-challenged SRA-/- mice and was associated with increased Notch activation in hepatic macrophages compared with wild-type control animals. Mechanistically, SRA directly bound with Notch1 and suppressed its S-glutathionylation, thereby inhibiting Notch pathway activation. Further, we determined that the SRA interacted with thioredoxin-1 (Trx-1), a redox-active protein. SRA inhibited Trx-1 dimerization and facilitated the interaction of Trx-1 with Notch1. Application of a Trx-1-specific inhibitory agent during macrophage stimulation abolished SRA-mediated regulation of the Notch pathway and its downstream targets. In summary, our study revealed that SRA plays a critical role in macrophage inflammatory response by targeting Notch1 for its glutathionylation. SRA-mediated negative regulation of Notch activation might serve as a novel therapeutic strategy for alcohol-induced liver injury.
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Affiliation(s)
- Lei Li
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Jialiang Luo
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
- Department of Dermatology, Fifth Hospital of Southern Medical University, Southern Medical University, No.566 Congcheng Avenue, Conghua District, Guangzhou, Guangdong 510515, China
| | - Zhengyumeng Zhu
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Ping Wang
- Department of Medical Research, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, No.106 Second Zhongshan Road, Yuexiu District, Guangzhou, Guangdong 510080, China
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Qishan Xu
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Bo Chang
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Di Wang
- Department of Dermatology, Dermatology Hospital of Southern Medical University, Southern Medical University, No.2 Lujing Road, Yuexiu District, Guangzhou, Guangdong 510091, China
| | - Lu Yu
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Xiao Lu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Jia Zhou
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
| | - Qingyun Chen
- Department of Medical Research, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, No.106 Second Zhongshan Road, Yuexiu District, Guangzhou, Guangdong 510080, China
| | - Daming Zuo
- Institute of Immunology, Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, No.1023 South Shatai Road, Baiyun District, Guangzhou, Guangdong 510515, China
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16
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An Y, Tan S, Yang J, Gao T, Dong Y. The potential role of Hippo pathway regulates cellular metabolism via signaling crosstalk in disease-induced macrophage polarization. Front Immunol 2024; 14:1344697. [PMID: 38274792 PMCID: PMC10808647 DOI: 10.3389/fimmu.2023.1344697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Macrophages polarized into distinct phenotypes play vital roles in inflammatory diseases by clearing pathogens, promoting tissue repair, and maintaining homeostasis. Metabolism serves as a fundamental driver in regulating macrophage polarization, and understanding the interplay between macrophage metabolism and polarization is crucial for unraveling the mechanisms underlying inflammatory diseases. The intricate network of cellular signaling pathway plays a pivotal role in modulating macrophage metabolism, and growing evidence indicates that the Hippo pathway emerges as a central player in network of cellular metabolism signaling. This review aims to explore the impact of macrophage metabolism on polarization and summarize the cell signaling pathways that regulate macrophage metabolism in diseases. Specifically, we highlight the pivotal role of the Hippo pathway as a key regulator of cellular metabolism and reveal its potential relationship with metabolism in macrophage polarization.
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Affiliation(s)
- Yina An
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Shuyu Tan
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jingjing Yang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Ting Gao
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yanjun Dong
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
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17
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Ma H, Yang Y, Nie T, Yan R, Si Y, Wei J, Li M, Liu H, Ye W, Zhang H, Cheng L, Zhang L, Lv X, Luo L, Xu Z, Zhang X, Lei Y, Zhang F. Disparate macrophage responses are linked to infection outcome of Hantan virus in humans or rodents. Nat Commun 2024; 15:438. [PMID: 38200007 PMCID: PMC10781751 DOI: 10.1038/s41467-024-44687-4] [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: 12/17/2021] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
Hantaan virus (HTNV) is asymptomatically carried by rodents, yet causes lethal hemorrhagic fever with renal syndrome in humans, the underlying mechanisms of which remain to be elucidated. Here, we show that differential macrophage responses may determine disparate infection outcomes. In mice, late-phase inactivation of inflammatory macrophage prevents cytokine storm syndrome that usually occurs in HTNV-infected patients. This is attained by elaborate crosstalk between Notch and NF-κB pathways. Mechanistically, Notch receptors activated by HTNV enhance NF-κB signaling by recruiting IKKβ and p65, promoting inflammatory macrophage polarization in both species. However, in mice rather than humans, Notch-mediated inflammation is timely restrained by a series of murine-specific long noncoding RNAs transcribed by the Notch pathway in a negative feedback manner. Among them, the lnc-ip65 detaches p65 from the Notch receptor and inhibits p65 phosphorylation, rewiring macrophages from the pro-inflammation to the pro-resolution phenotype. Genetic ablation of lnc-ip65 leads to destructive HTNV infection in mice. Thus, our findings reveal an immune-braking function of murine noncoding RNAs, offering a special therapeutic strategy for HTNV infection.
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Affiliation(s)
- Hongwei Ma
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
- Department of Anaesthesiology & Critical Care Medicine, Xijing Hospital, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Yongheng Yang
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Tiejian Nie
- Department of Experimental Surgery, Tangdu Hospital, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710038, China
| | - Rong Yan
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Yue Si
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Jing Wei
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
- Shaanxi Provincial Centre for Disease Control and Prevention, Xi'an, Shaanxi, 710054, China
| | - Mengyun Li
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - He Liu
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Wei Ye
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Hui Zhang
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Linfeng Cheng
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Liang Zhang
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Xin Lv
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China
| | - Limin Luo
- Department of Infectious Disease, Air Force Hospital of Southern Theatre Command, Guangzhou, Guangdong, 510602, China
| | - Zhikai Xu
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China.
| | - Xijing Zhang
- Department of Anaesthesiology & Critical Care Medicine, Xijing Hospital, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China.
| | - Yingfeng Lei
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China.
| | - Fanglin Zhang
- Department of Microbiology & Pathogen Biology, School of Basic Medical Sciences, Air Force Medical University (the Fourth Military Medical University), Xi'an, Shaanxi, 710032, China.
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18
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Xu C, Sarver DC, Lei X, Sahagun A, Zhong J, Na CH, Rudich A, Wong GW. CTRP6 promotes the macrophage inflammatory response, and its deficiency attenuates LPS-induced inflammation. J Biol Chem 2024; 300:105566. [PMID: 38103643 PMCID: PMC10789631 DOI: 10.1016/j.jbc.2023.105566] [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: 05/20/2023] [Revised: 11/27/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023] Open
Abstract
Macrophages play critical roles in inflammation and tissue homeostasis, and their functions are regulated by various autocrine, paracrine, and endocrine factors. We have previously shown that CTRP6, a secreted protein of the C1q family, targets both adipocytes and macrophages to promote obesity-linked inflammation. However, the gene programs and signaling pathways directly regulated by CTRP6 in macrophages remain unknown. Here, we combine transcriptomic and phosphoproteomic analyses to show that CTRP6 activates inflammatory gene programs and signaling pathways in mouse bone marrow-derived macrophages (BMDMs). Treatment of BMDMs with CTRP6 upregulated proinflammatory, and suppressed the antiinflammatory, gene expression. We also showed that CTRP6 activates p44/42-MAPK, p38-MAPK, and NF-κB signaling pathways to promote inflammatory cytokine secretion from BMDMs, and that pharmacologic inhibition of these signaling pathways markedly attenuated the effects of CTRP6. Pretreatment of BMDMs with CTRP6 also sensitized and potentiated the BMDMs response to lipopolysaccharide (LPS)-induced inflammatory signaling and cytokine secretion. Consistent with the metabolic phenotype of proinflammatory macrophages, CTRP6 treatment induced a shift toward aerobic glycolysis and lactate production, reduced oxidative metabolism, and elevated mitochondrial reactive oxygen species production in BMDMs. Importantly, in accordance with our in vitro findings, BMDMs from CTRP6-deficient mice were less inflammatory at baseline and showed a marked suppression of LPS-induced inflammatory gene expression and cytokine secretion. Finally, loss of CTRP6 in mice also dampened LPS-induced inflammation and hypothermia. Collectively, our findings suggest that CTRP6 regulates and primes the macrophage response to inflammatory stimuli and thus may have a role in modulating tissue inflammatory tone in different physiological and disease contexts.
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Affiliation(s)
- Cheng Xu
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Dylan C Sarver
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Xia Lei
- Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Ageline Sahagun
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jun Zhong
- Delta Omics Inc, Baltimore, Maryland, USA
| | - Chan Hyun Na
- Department of Neurology, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Assaf Rudich
- Faculty of Health Sciences, Department of Clinical Biochemistry and Pharmacology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - G William Wong
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
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19
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Mosteiro L, Nguyen TTT, Hankeova S, Alvarez-Sierra D, Reichelt M, Vandriel SM, Lai Z, Choudhury FK, Sangaraju D, Kamath BM, Scherl A, Pujol-Borrell R, Piskol R, Siebel CW. Notch signaling in thyrocytes is essential for adult thyroid function and mammalian homeostasis. Nat Metab 2023; 5:2094-2110. [PMID: 38123718 DOI: 10.1038/s42255-023-00937-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 10/31/2023] [Indexed: 12/23/2023]
Abstract
The thyroid functions as an apex endocrine organ that controls growth, differentiation and metabolism1, and thyroid diseases comprise the most common endocrine disorders2. Nevertheless, high-resolution views of the cellular composition and signals that govern the thyroid have been lacking3,4. Here, we show that Notch signalling controls homeostasis and thermoregulation in adult mammals through a mitochondria-based mechanism in a subset of thyrocytes. We discover two thyrocyte subtypes in mouse and human thyroids, identified in single-cell analyses by different levels of metabolic activity and Notch signalling. Therapeutic antibody blockade of Notch in adult mice inhibits a thyrocyte-specific transcriptional program and induces thyrocyte defects due to decreased mitochondrial activity and ROS production. Thus, disrupting Notch signalling in adult mice causes hypothyroidism, characterized by reduced levels of circulating thyroid hormone and dysregulation of whole-body thermoregulation. Inducible genetic deletion of Notch1 and 2 in thyrocytes phenocopies this antibody-induced hypothyroidism, establishing a direct role for Notch in adult murine thyrocytes. We confirm that hypothyroidism is enriched in children with Alagille syndrome, a genetic disorder marked by Notch mutations, suggesting that these findings translate to humans.
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Grants
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
- NA Genentech (Genentech, Inc.)
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Affiliation(s)
- Lluc Mosteiro
- Department of Discovery Oncology, Genentech, South San Francisco, CA, USA.
| | - Thi Thu Thao Nguyen
- Department of Oncology Bioinformatics, Genentech, South San Francisco, CA, USA
| | - Simona Hankeova
- Department of Discovery Oncology, Genentech, South San Francisco, CA, USA
| | - Daniel Alvarez-Sierra
- Translational Immunology Group, Vall d'Hebron Institut de Recerca (VHIR), Campus Vall Hebron, Barcelona, Spain
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mike Reichelt
- Department of Research Pathology, Genentech, South San Francisco, CA, USA
| | - Shannon M Vandriel
- Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Zijuan Lai
- Department of Drug Metabolism and Pharmacokinetics, Genentech, South San Francisco, CA, USA
| | - Feroza K Choudhury
- Department of Drug Metabolism and Pharmacokinetics, Genentech, South San Francisco, CA, USA
| | - Dewakar Sangaraju
- Department of Drug Metabolism and Pharmacokinetics, Genentech, South San Francisco, CA, USA
| | - Binita M Kamath
- Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Alexis Scherl
- Department of Research Pathology, Genentech, South San Francisco, CA, USA
| | - Ricardo Pujol-Borrell
- Translational Immunology Group, Vall d'Hebron Institut de Recerca (VHIR), Campus Vall Hebron, Barcelona, Spain
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
- Vall Hebron Institute of Oncology (VHIO), Campus Vall Hebron, Barcelona, Spain
| | - Robert Piskol
- Department of Oncology Bioinformatics, Genentech, South San Francisco, CA, USA
| | - Christian W Siebel
- Department of Discovery Oncology, Genentech, South San Francisco, CA, USA.
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20
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Radwan SM, Abdel-Latif GA, Abbas SS, Elmongy NF, Wasfey EF. The beneficial effects of l-carnitine and infliximab in methotrexate-induced hepatotoxicity: Emphasis on Notch1/Hes-1 signaling. Arch Pharm (Weinheim) 2023; 356:e2300312. [PMID: 37625018 DOI: 10.1002/ardp.202300312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023]
Abstract
Methotrexate (MTX)-induced hepatotoxicity is a serious adverse effect that may limit its use. Therefore, eligible drugs to ameliorate MTX-induced hepatotoxicity are required. l-Carnitine (LC) is a natural molecule with beneficial metabolic effects and infliximab (INF) is an anti-inflammatory monoclonal antibody against tumor necrosis factor-alpha (TNF-α). Recently, Notch1/Hes-1 signaling was found to play a key role in the pathogenesis of liver injury. However, its role in MTX-induced hepatotoxicity is unclear. This study aimed to evaluate the modulatory effects of LC or INF on MTX-induced hepatotoxicity and to explore the underlying mechanism with emphasis on the Notch1/Hes-1 signaling pathway. Sixty rats were randomized into six groups (n = 10): (1) control (saline); (2) MTX (20 mg/kg MTX, intraperitoneal [ip], once); (3) LC group (500 mg/kg ip, 5 days); (4) INF (7 mg/kg INF ip, once); (5) MTX+LC (20 mg/kg ip, once, 500 mg/kg ip, 5 days, respectively); (6) MTX+INF (20 mg/kg ip, once, 7 mg/kg INF ip, once, respectively). Oxidative stress, inflammatory markers, and Notch1/Hes-1 were investigated. MTX induced the expression of Notch1 and Hes-1 proteins and increased the levels of TNF-α, interleukin (IL)-6, and IL-1β in the liver. Cotreatment with LC or INF showed apparent antioxidant and anti-inflammatory effects. Interestingly, the downregulation of Notch1 and Hes-1 expression was more prominent in LC cotreatment as compared with INF. In conclusion, LC or INF attenuates MTX-induced hepatotoxicity through modulation of Notch1/Hes-1 signaling. The LC ameliorative effect against MTX-induced hepatotoxicity is significantly better than that of INF. Therefore, LC cotreatment may present a safe and therapeutically effective therapy in alleviating MTX-induced hepatotoxicity.
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Affiliation(s)
- Sara M Radwan
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Ghada A Abdel-Latif
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Samah S Abbas
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
- Translational and Clinical Research Unit, Faculty of Pharmacy, Misr International University (MIU), Cairo, Egypt
| | - Noura F Elmongy
- Physiology Department, Faculty of Medicine, Al-Azhar University, Damietta, Egypt
| | - Eman F Wasfey
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
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21
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Vujovic F, Shepherd CE, Witting PK, Hunter N, Farahani RM. Redox-Mediated Rewiring of Signalling Pathways: The Role of a Cellular Clock in Brain Health and Disease. Antioxidants (Basel) 2023; 12:1873. [PMID: 37891951 PMCID: PMC10604469 DOI: 10.3390/antiox12101873] [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: 09/11/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
Metazoan signalling pathways can be rewired to dampen or amplify the rate of events, such as those that occur in development and aging. Given that a linear network topology restricts the capacity to rewire signalling pathways, such scalability of the pace of biological events suggests the existence of programmable non-linear elements in the underlying signalling pathways. Here, we review the network topology of key signalling pathways with a focus on redox-sensitive proteins, including PTEN and Ras GTPase, that reshape the connectivity profile of signalling pathways in response to an altered redox state. While this network-level impact of redox is achieved by the modulation of individual redox-sensitive proteins, it is the population by these proteins of critical nodes in a network topology of signal transduction pathways that amplifies the impact of redox-mediated reprogramming. We propose that redox-mediated rewiring is essential to regulate the rate of transmission of biological signals, giving rise to a programmable cellular clock that orchestrates the pace of biological phenomena such as development and aging. We further review the evidence that an aberrant redox-mediated modulation of output of the cellular clock contributes to the emergence of pathological conditions affecting the human brain.
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Affiliation(s)
- Filip Vujovic
- IDR/Westmead Institute for Medical Research, Sydney, NSW 2145, Australia; (F.V.); (N.H.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
| | | | - Paul K. Witting
- Redox Biology Group, Charles Perkins Centre, Faculty of Medicine and Health, School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia;
| | - Neil Hunter
- IDR/Westmead Institute for Medical Research, Sydney, NSW 2145, Australia; (F.V.); (N.H.)
| | - Ramin M. Farahani
- IDR/Westmead Institute for Medical Research, Sydney, NSW 2145, Australia; (F.V.); (N.H.)
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia
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22
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Yuan H, You Y, He Y, Wei Y, Zhang Y, Min H, Li C, Chen J. Crystalline Silica-Induced Proinflammatory Interstitial Macrophage Recruitment through Notch3 Signaling Promotes the Pathogenesis of Silicosis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:14502-14514. [PMID: 37721423 DOI: 10.1021/acs.est.3c03980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Crystalline silica (CS) particles are ubiquitous in the environment, especially in occupational conditions, and exposure to respirable CS causes silicosis. The initial response to CS is mediated by innate immunity, where pulmonary macrophages act as central orchestrators. However, the repercussions of CS on functionally distinct macrophage subsets remain to be inconclusive. Herein, to study the effects of inhaled CS, we divided macrophages into three subsets: circulating monocytes, interstitial macrophages (IMs), and alveolar macrophages (AMs). CS-induced massive IMs increase in the lung, the phenotype and function of which differed from those of tissue-resident AMs and circulating monocytes. The augmented IMs were driven by recruitment of circulating macrophages rather than cell proliferation in situ. Moreover, the IMs predominantly exerted a classic activated (M1) phenotype and expressed proinflammatory cytokines, contributing to CS-induced lung injury. Notably, we demonstrated that IMs augmented Notch3 expression. Mechanistically, using myeloid-specific Notch3-knockout mice, we demonstrated that Notch3 signaling not only promoted IMs recruitment by regulating CCR2 expression but also manipulated the proinflammatory phenotype. Mice with conditional Notch3-knockout exhibited alleviation of CS-induced inflammation and fibrosis in lung. Overall, our study identifies IMs as critical mediators in response to CS and highlights the role of Notch3 in IMs recruitment and activation, providing new insights into CS toxicological effects in the lung.
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Affiliation(s)
- Haoyang Yuan
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Yichuan You
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Yangyang He
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Yungeng Wei
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Yuting Zhang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Hui Min
- Department of Immunology, College of Basic Medical Sciences, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Chao Li
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
| | - Jie Chen
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, (China Medical University), Ministry of Education, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, PR China
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23
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Wang Y, Huang S, Kong W, Wu C, Zeng T, Xie S, Chen Q, Kuang S, Zheng R, Wang F, Zhou C, Chen Y, Huang S, Lv Z. Corilagin alleviates liver fibrosis in zebrafish and mice by repressing IDO1-mediated M2 macrophage repolarization. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 119:155016. [PMID: 37598639 DOI: 10.1016/j.phymed.2023.155016] [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: 02/09/2023] [Revised: 06/25/2023] [Accepted: 08/06/2023] [Indexed: 08/22/2023]
Abstract
BACKGROUND Liver fibrosis caused by chronic liver injury, eventually develops into liver cirrhosis and hepatocellular carcinoma. Currently, there are no effective drugs to relieve liver fibrosis due to the lack of molecular pathogenesis characteristics. Former research demonstrates that the hepatic immune microenvironment plays a key role in the pathogenesis of liver fibrosis, thus macrophages are important immune cells in the liver. Our previous study has found that IDO1 plays an important role in the liver immune microenvironment. CRG is a gallic acid tannin found in medicinal plants of many ethnicities that protects against inflammation, tumors and chronic liver disease. However, the mechanism of by which CRG mediates the interaction of IDO1 with macrophages during hepatic immune maturation is not clear. PURPOSE To investigate the regulatory mechanism of CRG in liver fibrosis and the intrinsic relationship between IDO1 and macrophage differentiation. METHODS Zebrafish, RAW264.7 cells and mice were used in the study. IDO1 overexpression and knockdown cell lines were constructed using lentiviral techniques. RESULTS We discovered that CRG remarkably reduced the AST and ALT serum levels. Histological examination revealed that CRG ameliorates CCL4-induced liver fibrosis and depressed the expression of α-SMA, Lamimin, Collagen-Ι and fibronectin. Besides, we found that CRG promoted increased MerTK expression on partly macrophages. Interestingly, in vitro, we found that CRG suppressed IDO1 expression and regulated macrophage differentiation by upregulating CD86, CD80 and iNOS, while downregulating CD206, CD163, IL-4 and IL-10 expression. Additionally, we found that CRG could inhibit hepatic stellate cell activation by direct or indirect action. CONCLUSION Our findings suggest that CRG alleviates liver fibrosis by mediating IDO1-mediated M2 macrophage repolarization.
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Affiliation(s)
- Yuhua Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Sha Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Wen Kong
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Chaofeng Wu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Ting Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Shuwen Xie
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Qing Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Shanshan Kuang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Ruise Zheng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Fengsui Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Chuying Zhou
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yuyao Chen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Shaohui Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zhiping Lv
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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24
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Yuwen Y, Wang X, Liu J, Liu Z, Zhu H. Delta- like ligand 4- expressing macrophages and human diseases: Insights into pathophysiology and therapeutic opportunities. Heliyon 2023; 9:e20777. [PMID: 37842562 PMCID: PMC10569996 DOI: 10.1016/j.heliyon.2023.e20777] [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: 05/28/2023] [Revised: 08/20/2023] [Accepted: 10/06/2023] [Indexed: 10/17/2023] Open
Abstract
Macrophages are key players in the immune response and have been implicated in various human diseases, including atherosclerosis, cancer, and chronic inflammatory disorders. While numerous studies have delved into the nuances of macrophage behavior in these conditions, there remains a gap in understanding the specific role of Delta-like ligand 4 (Dll4)-expressing macrophages and their overarching implications across these diseases. Among the plethora of factors expressed by macrophages, Dll4 has emerged as a molecule of particular interest. Recent studies have highlighted its unique role in modulating macrophage functions and its potential implications in various diseases. This review seeks to consolidate existing knowledge, address this gap, and present a comprehensive overview of Dll4-expressing macrophages in the context of these disorders and highlight their potential as therapeutic targets. We examined the involvement of Dll4-expressing macrophages in multiple human diseases such as atherosclerosis, cancer and chronic inflammatory diseases, emphasizing their influence on disease progression. We also discussed the challenges, limitations, and emerging research areas in targeting Dll4-expressing macrophages and provide an outlook on potential therapeutic strategies for the treatment of these diseases. By addressing the previously existing research gap, we've provided a roadmap that brings together fragmented insights, paving the way for more holistic research and potentially more effective therapeutic strategies centered on Dll4-expressing macrophages.
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Affiliation(s)
- Ya Yuwen
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
- Medical School, Xizang Minzu University, Xianyang, China
- Integrative Chinese and Western Medicine Key Laboratory of Atherosclerosis, Research Office of Shaanxi Administration of Traditional Chinese Medicine, Xi'an, China
| | - Xiqiang Wang
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
- Integrative Chinese and Western Medicine Key Laboratory of Atherosclerosis, Research Office of Shaanxi Administration of Traditional Chinese Medicine, Xi'an, China
| | - Jing Liu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
- Integrative Chinese and Western Medicine Key Laboratory of Atherosclerosis, Research Office of Shaanxi Administration of Traditional Chinese Medicine, Xi'an, China
| | - Zhongwei Liu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
- Integrative Chinese and Western Medicine Key Laboratory of Atherosclerosis, Research Office of Shaanxi Administration of Traditional Chinese Medicine, Xi'an, China
| | - Haitao Zhu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
- Department of Pediatrics (No. 3 Ward), Northwest Women's and Children's Hospital, Xi'an, China
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25
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Ait Ahmed Y, Lafdil F, Tacke F. Ambiguous Pathogenic Roles of Macrophages in Alcohol-Associated Liver Diseases. Hepat Med 2023; 15:113-127. [PMID: 37753346 PMCID: PMC10519224 DOI: 10.2147/hmer.s326468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023] Open
Abstract
Alcohol-associated liver disease (ALD) represents a major public health issue worldwide and is a leading etiology of liver cirrhosis. Alcohol-related liver injuries include a range of manifestations including alcoholic hepatitis (AH), simple steatosis, steatohepatitis, hepatic fibrosis, cirrhosis and liver cancer. Liver disease occurs from several pathological disturbances such as the metabolism of ethanol, which generates reactive oxygen species (ROS) in hepatocytes, alterations in the gut microbiota, and the immune response to these changes. A common hallmark of these liver affections is the establishment of an inflammatory environment, and some (broad) anti-inflammatory approaches are used to treat AH (eg, corticosteroids). Macrophages, which represent the main innate immune cells in the liver, respond to a wide variety of (pathogenic) stimuli and adopt a large spectrum of phenotypes. This translates to a diversity of functions including pathogen and debris clearance, recruitment of other immune cells, activation of fibroblasts, or tissue repair. Thus, macrophage populations play a crucial role in the course of ALD, but the underlying mechanisms driving macrophage polarization and their functionality in ALD are complex. In this review, we explore the various populations of hepatic macrophages in alcohol-associated liver disease and the underlying mechanisms driving their polarization. Additionally, we summarize the crosstalk between hepatic macrophages and other hepatic cell types in ALD, in order to support the exploration of targeted therapeutics by modulating macrophage polarization.
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Affiliation(s)
- Yeni Ait Ahmed
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | - Fouad Lafdil
- Université Paris-Est, UMR-S955, UPEC, Créteil, France
- Institut National de la Sante et de la Recherche Medicale (INSERM), U955, Créteil, France
- Institut Universitaire de France (IUF), Paris, France
| | - Frank Tacke
- Department of Hepatology & Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
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26
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Fernández-Regueras M, Carbonell C, Salete-Granado D, García JL, Gragera M, Pérez-Nieto MÁ, Morán-Plata FJ, Mayado A, Torres JL, Corchete LA, Usategui-Martín R, Bueno-Martínez E, Rojas-Pirela M, Sabio G, González-Sarmiento R, Orfao A, Laso FJ, Almeida J, Marcos M. Predominantly Pro-Inflammatory Phenotype with Mixed M1/M2 Polarization of Peripheral Blood Classical Monocytes and Monocyte-Derived Macrophages among Patients with Excessive Ethanol Intake. Antioxidants (Basel) 2023; 12:1708. [PMID: 37760011 PMCID: PMC10525853 DOI: 10.3390/antiox12091708] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Excessive alcohol consumption impairs the immune system, induces oxidative stress, and triggers the activation of peripheral blood (PB) monocytes, thereby contributing to alcoholic liver disease (ALD). We analyzed the M1/M2 phenotypes of circulating classical monocytes and macrophage-derived monocytes (MDMs) in excessive alcohol drinkers (EADs). PB samples from 20 EADs and 22 healthy controls were collected for isolation of CD14+ monocytes and short-term culture with LPS/IFNγ, IL4/IL13, or without stimulation. These conditions were also used to polarize MDMs into M1, M2, or M0 phenotypes. Cytokine production was assessed in the blood and culture supernatants. M1/M2-related markers were analyzed using mRNA expression and surface marker detection. Additionally, the miRNA profile of CD14+ monocytes was analyzed. PB samples from EADs exhibited increased levels of pro-inflammatory cytokines. Following short-term culture, unstimulated blood samples from EADs showed higher levels of soluble TNF-α and IL-8, whereas monocytes expressed increased levels of surface TNF-α and elevated mRNA expression of pro-inflammatory cytokines and inducible nitric oxide synthase. MDMs from EADs showed higher levels of TNF-α and CD206 surface markers and increased IL-10 production. LPS/IFNγ induced higher mRNA expression of Nrf2 only in the controls. miRNA analysis revealed a distinctive miRNA profile that is potentially associated with liver carcinogenesis and ALD through inflammation and oxidative stress. This study confirms the predominantly pro-inflammatory profile of PB monocytes among EADs and suggests immune exhaustion features in MDMs.
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Affiliation(s)
- María Fernández-Regueras
- Hospital Universitario de Burgos, 09006 Burgos, Spain
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
| | - Cristina Carbonell
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Daniel Salete-Granado
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Juan-Luis García
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Marcos Gragera
- Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain
- Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain
| | - María-Ángeles Pérez-Nieto
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León, 42002 Soria, Spain
| | - Francisco-Javier Morán-Plata
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Andrea Mayado
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Jorge-Luis Torres
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Complejo Asistencial de Zamora, 49022 Zamora, Spain
| | - Luis-Antonio Corchete
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Ricardo Usategui-Martín
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Biología Celular, Facultad de Medicina, Universidad de Valladolid, 47005 Valladolid, Spain
| | - Elena Bueno-Martínez
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Maura Rojas-Pirela
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain
| | - Rogelio González-Sarmiento
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Alberto Orfao
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Francisco-Javier Laso
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Julia Almeida
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Miguel Marcos
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
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Zhao H, Wen Z, Xiong S. Activated Lymphocyte-Derived DNA Drives Glucose Metabolic Adaptation for Inducing Macrophage Inflammatory Response in Systemic Lupus Erythematosus. Cells 2023; 12:2093. [PMID: 37626904 PMCID: PMC10453374 DOI: 10.3390/cells12162093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/11/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Activated lymphocyte-derived DNA (ALD-DNA) has been reported to drive the polarization of macrophages toward M2b, producing inflammatory cytokines and inducing inflammation, correspondingly playing an essential role in the development of systemic lupus erythematosus (SLE). Recently, accumulating evidence has pinpointed metabolic adaptation as the crucial cell-intrinsic determinant for inflammatory response, in which glucose metabolism is the key event. However, whether and how glucose metabolism was involved in ALD-DNA-induced macrophage inflammatory response and SLE development remains unclear. Herein, we performed glucose metabolomic analyses of ALD-DNA-stimulated macrophages and uncovered increased glycolysis and diminished pentose phosphate pathway (PPP), as well as enhanced glycogenesis. In ALD-DNA-stimulated macrophages, increased glycolysis resulted in higher lactate production, whereas diminished PPP efficiently led to lower levels of nicotinamide adenine dinucleotide phosphate (NADPH) with higher levels of reactive oxygen species (ROS). While blockade of lactate generation exerted no significant effect on macrophage inflammation in response to ALD-DNA, scavenging ROS fundamentally inhibited the inflammatory response of ALD-DNA-stimulated macrophages. Further, cyclic adenosine monophosphate (cAMP), a master for regulating glycogen metabolism, was downregulated by ALD-DNA in macrophages, which subsequently imbalanced glycogen metabolism toward glycogenesis but not glycogenolysis. Administration of cAMP effectively restored glycogenolysis and enhanced PPP, which correspondingly reduced ROS levels and inhibited the inflammatory response of ALD-DNA-stimulated macrophages. Finally, blocking glucose metabolism using 2-deoxy-D-glucose (2-DG) efficiently restricted macrophage inflammatory response and alleviated ALD-DNA-induced lupus disease. Together, our findings demonstrate that ALD-DNA drives the adaptation of glucose metabolism for inducing macrophage inflammatory response in SLE, which might further our understanding of disease pathogenesis and provide clues for interventive explorations.
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Affiliation(s)
| | - Zhenke Wen
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China
| | - Sidong Xiong
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China
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Kahan R, Cray PL, Abraham N, Gao Q, Hartwig MG, Pollara JJ, Barbas AS. Sterile inflammation in liver transplantation. Front Med (Lausanne) 2023; 10:1223224. [PMID: 37636574 PMCID: PMC10449546 DOI: 10.3389/fmed.2023.1223224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/17/2023] [Indexed: 08/29/2023] Open
Abstract
Sterile inflammation is the immune response to damage-associated molecular patterns (DAMPs) released during cell death in the absence of foreign pathogens. In the setting of solid organ transplantation, ischemia-reperfusion injury results in mitochondria-mediated production of reactive oxygen and nitrogen species that are a major cause of uncontrolled cell death and release of various DAMPs from the graft tissue. When properly regulated, the immune response initiated by DAMP-sensing serves as means of damage control and is necessary for initiation of recovery pathways and re-establishment of homeostasis. In contrast, a dysregulated or overt sterile inflammatory response can inadvertently lead to further injury through recruitment of immune cells, innate immune cell activation, and sensitization of the adaptive immune system. In liver transplantation, sterile inflammation may manifest as early graft dysfunction, acute graft failure, or increased risk of immunosuppression-resistant rejection. Understanding the mechanisms of the development of sterile inflammation in the setting of liver transplantation is crucial for finding reliable biomarkers that predict graft function, and for development of therapeutic approaches to improve long-term transplant outcomes. Here, we discuss the recent advances that have been made to elucidate the early signs of sterile inflammation and extent of damage from it. We also discuss new therapeutics that may be effective in quelling the detrimental effects of sterile inflammation.
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Affiliation(s)
| | | | | | | | | | | | - Andrew S. Barbas
- Duke Ex-Vivo Organ Lab (DEVOL)—Division of Abdominal Transplant Surgery, Duke University, Durham, NC, United States
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Wei KH, Lin IT, Chowdhury K, Lim KL, Liu KT, Ko TM, Chang YM, Yang KC, Lai SL(B. Comparative single-cell profiling reveals distinct cardiac resident macrophages essential for zebrafish heart regeneration. eLife 2023; 12:e84679. [PMID: 37498060 PMCID: PMC10411971 DOI: 10.7554/elife.84679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 07/26/2023] [Indexed: 07/28/2023] Open
Abstract
Zebrafish exhibit a robust ability to regenerate their hearts following injury, and the immune system plays a key role in this process. We previously showed that delaying macrophage recruitment by clodronate liposome (-1d_CL, macrophage-delayed model) impairs neutrophil resolution and heart regeneration, even when the infiltrating macrophage number was restored within the first week post injury (Lai et al., 2017). It is thus intriguing to learn the regenerative macrophage property by comparing these late macrophages vs. control macrophages during cardiac repair. Here, we further investigate the mechanistic insights of heart regeneration by comparing the non-regenerative macrophage-delayed model with regenerative controls. Temporal RNAseq analyses revealed that -1d_CL treatment led to disrupted inflammatory resolution, reactive oxygen species homeostasis, and energy metabolism during cardiac repair. Comparative single-cell RNAseq profiling of inflammatory cells from regenerative vs. non-regenerative hearts further identified heterogeneous macrophages and neutrophils, showing alternative activation and cellular crosstalk leading to neutrophil retention and chronic inflammation. Among macrophages, two residential subpopulations (hbaa+ Mac and timp4.3+ Mac 3) were enriched only in regenerative hearts and barely recovered after +1d_CL treatment. To deplete the resident macrophage without delaying the circulating macrophage recruitment, we established the resident macrophage-deficient model by administrating CL earlier at 8 d (-8d_CL) before cryoinjury. Strikingly, resident macrophage-deficient zebrafish still exhibited defects in revascularization, cardiomyocyte survival, debris clearance, and extracellular matrix remodeling/scar resolution without functional compensation from the circulating/monocyte-derived macrophages. Our results characterized the diverse function and interaction between inflammatory cells and identified unique resident macrophages prerequisite for zebrafish heart regeneration.
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Affiliation(s)
- Ke-Hsuan Wei
- Graduate Institute of Life Sciences, National Defense Medical CenterTaipeiTaiwan
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - I-Ting Lin
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - Kaushik Chowdhury
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Khai Lone Lim
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Kuan-Ting Liu
- Department of Biological Science & Technology, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Tai-Ming Ko
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Department of Biological Science & Technology, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Yao-Ming Chang
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
| | - Kai-Chien Yang
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Department and Graduate Institute of Pharmacology, National Taiwan University College of MedicineTaipeiTaiwan
| | - Shih-Lei (Ben) Lai
- Graduate Institute of Life Sciences, National Defense Medical CenterTaipeiTaiwan
- Institute of Biomedical Sciences, Academia SinicaTaipeiTaiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
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30
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Wang A, Liu Y, Zeng S, Liu Y, Li W, Wu D, Wu X, Zou L, Chen H. Dietary Plant Polysaccharides for Cancer Prevention: Role of Immune Cells and Gut Microbiota, Challenges and Perspectives. Nutrients 2023; 15:3019. [PMID: 37447345 DOI: 10.3390/nu15133019] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/28/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
Dietary plant polysaccharides, one of the main sources of natural polysaccharides, possess significant cancer prevention activity and potential development value in the food and medicine fields. The anti-tumor mechanisms of plant polysaccharides are mainly elaborated from three perspectives: enhancing immunoregulation, inhibiting tumor cell growth and inhibiting tumor cell invasion and metastasis. The immune system plays a key role in cancer progression, and immunomodulation is considered a significant pathway for cancer prevention or treatment. Although much progress has been made in revealing the relationship between the cancer prevention activity of polysaccharides and immunoregulation, huge challenges are still met in the research and development of polysaccharides. Results suggest that certain polysaccharide types and glycosidic linkage forms significantly affect the biological activity of polysaccharides in immunoregulation. At present, the in vitro anti-tumor effects and immunoregulation of dietary polysaccharides are widely reported in articles; however, the anti-tumor effects and in vivo immunoregulation of dietary polysaccharides are still deserving of further investigation. In this paper, aspects of the mechanisms behind dietary polysaccharides' cancer prevention activity achieved through immunoregulation, the role of immune cells in cancer progression, the role of the mediatory relationship between the gut microbiota and dietary polysaccharides in immunoregulation and cancer prevention are systematically summarized, with the aim of encouraging future research on the use of dietary polysaccharides for cancer prevention.
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Affiliation(s)
- Anqi Wang
- School of Preclinical Medicine, Chengdu University, Chengdu 610106, China
| | - Ying Liu
- School of Preclinical Medicine, Chengdu University, Chengdu 610106, China
| | - Shan Zeng
- Antibiotics Research and Re-Evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Yuanyuan Liu
- Antibiotics Research and Re-Evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Wei Li
- School of Preclinical Medicine, Chengdu University, Chengdu 610106, China
| | - Dingtao Wu
- Key Laboratory of Coarse Cereal Processing of Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
| | - Xu Wu
- Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou 646000, China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing of Ministry of Agriculture and Rural Affairs, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
| | - Huijuan Chen
- Institute of Traditional Chinese Medicine, Sichuan Academy of Chinese Medicine Sciences, Chengdu 610031, China
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31
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Yin K, Wang D, Zhang Y, Lu H, Hou L, Guo T, Zhao H, Xing M. Polystyrene microplastics promote liver inflammation by inducing the formation of macrophages extracellular traps. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131236. [PMID: 36958159 DOI: 10.1016/j.jhazmat.2023.131236] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/15/2023] [Accepted: 03/16/2023] [Indexed: 05/03/2023]
Abstract
Microplastics (MPs), a new and increasing environmental pollutant, can cause ongoing damage to organisms. Although recent studies have revealed mechanisms of action for some of the hepatotoxicity caused by MPs, the role-played by cellular interactions, particularly immune cells, in the process of liver injury has not been elucidated. In the present study, 5-μm polystyrene microplastics (PS-MPs) induced liver inflammation as well as the formation of Macrophage extracellular traps (METs). Macrophage and LMH cell co-culture systems confirmed that PS-MPs-induced METs promote inflammation in hepatocytes. Mechanistically, macrophages actively phagocytose particles after 4 h of exposure to PS-MPs. Subsequently PS-MPs elevated ROS levels and disrupt mitochondrial kinetic homeostasis. Further activation of mitochondrial autophagy and lysosomes. After phagocytosis of PS-MPs by macrophages for 12 h, continued autophagy and lysosome activation eventually lead to lysosome rupture and release of calcium ions to induce the formation of METs. Blocking ROS (NAC) and autophagy (3MA) partially alleviated mitochondrial and lysosomal damage and thus inhibited the formation of METs induced by PS-MPs. NAC also delayed the onset of respiratory burst to alleviate METs formation. In conclusion, our study reveals the mechanism of METs formation in liver inflammation induced by PS-MPs exposure and suggests that lysosomal damage may be one of the key players in the formation of METs induced by PS-MPs.
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Affiliation(s)
- Kai Yin
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Dongxu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Yue Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Hongmin Lu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Lulu Hou
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Tiantian Guo
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China
| | - Hongjing Zhao
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China.
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, Heilongjiang, PR China.
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32
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Mo D, Liu C, Chen Y, Cheng X, Shen J, Zhao L, Zhang J. The mitochondrial ribosomal protein mRpL4 regulates Notch signaling. EMBO Rep 2023; 24:e55764. [PMID: 37009823 PMCID: PMC10240210 DOI: 10.15252/embr.202255764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 03/07/2023] [Accepted: 03/18/2023] [Indexed: 04/04/2023] Open
Abstract
Mitochondrial ribosomal proteins (MRPs) assemble as specialized ribosome to synthesize mtDNA-encoded proteins, which are essential for mitochondrial bioenergetic and metabolic processes. MRPs are required for fundamental cellular activities during animal development, but their roles beyond mitochondrial protein translation are poorly understood. Here, we report a conserved role of the mitochondrial ribosomal protein L4 (mRpL4) in Notch signaling. Genetic analyses demonstrate that mRpL4 is required in the Notch signal-receiving cells to permit target gene transcription during Drosophila wing development. We find that mRpL4 physically and genetically interacts with the WD40 repeat protein wap and activates the transcription of Notch signaling targets. We show that human mRpL4 is capable of replacing fly mRpL4 during wing development. Furthermore, knockout of mRpL4 in zebrafish leads to downregulated expression of Notch signaling components. Thus, we have discovered a previously unknown function of mRpL4 during animal development.
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Affiliation(s)
- Dongqing Mo
- Department of Plant Biosecurity and MOA Key Laboratory of Surveillance and Management for Plant Quarantine Pests, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Chenglin Liu
- Institute of Evolution & Marine BiodiversityOcean University of ChinaQingdaoChina
- College of FisheriesOcean University of ChinaQingdaoChina
- Key Laboratory of Mariculture (OUC)Ministry of EducationQingdaoChina
| | - Yao Chen
- Department of Plant Biosecurity and MOA Key Laboratory of Surveillance and Management for Plant Quarantine Pests, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Xinkai Cheng
- Institute of Evolution & Marine BiodiversityOcean University of ChinaQingdaoChina
- College of FisheriesOcean University of ChinaQingdaoChina
- Key Laboratory of Mariculture (OUC)Ministry of EducationQingdaoChina
| | - Jie Shen
- Department of Plant Biosecurity and MOA Key Laboratory of Surveillance and Management for Plant Quarantine Pests, College of Plant ProtectionChina Agricultural UniversityBeijingChina
| | - Long Zhao
- Institute of Evolution & Marine BiodiversityOcean University of ChinaQingdaoChina
- College of FisheriesOcean University of ChinaQingdaoChina
- Key Laboratory of Mariculture (OUC)Ministry of EducationQingdaoChina
| | - Junzheng Zhang
- Department of Plant Biosecurity and MOA Key Laboratory of Surveillance and Management for Plant Quarantine Pests, College of Plant ProtectionChina Agricultural UniversityBeijingChina
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Ma C, Wang C, Zhang Y, Li Y, Fu K, Gong L, Zhou H, Li Y. Phillygenin inhibited M1 macrophage polarization and reduced hepatic stellate cell activation by inhibiting macrophage exosomal miR-125b-5p. Biomed Pharmacother 2023; 159:114264. [PMID: 36652738 DOI: 10.1016/j.biopha.2023.114264] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/18/2023] Open
Abstract
Liver fibrosis (LF) is an important stage in chronic liver disease development, characterized by hepatic stellate cell (HSC) activation and excessive extracellular matrix deposition. Phillygenin (PHI), an active component in the traditional Chinese medicine Forsythiae Fructus with a significant anti-inflammatory effect, has been proved to inhibit HSC activation. Macrophages can polarize to pro-inflammatory M1 phenotype and anti-inflammatory M2 phenotype, participating in LF development. Currently, Forsythiae Fructus and its many components have been proved to inhibit the inflammatory activation of macrophages. However, there is no direct evidence that PHI can regulate macrophage polarization, and the relationship between macrophage polarization and the anti-LF effect of PHI has not been studied. In this study, we found that PHI inhibited the co-expression of CD80 and CD86, and inhibited the mRNA expression and protein secretion of related inflammatory cytokines in RAW264.7 cells. For mechanism, PHI was found to inhibit the JAK1/JAK2-STAT1 and Notch1 signaling pathways. Subsequently, mHSCs were co-cultured with the conditioned media or exosomes from macrophages with different treatments. It was found that the conditioned media and exosomes from PHI-treated macrophages inhibited the expression of MMP2, TIMP1, TGF-β, α-SMA, COL1 and NF-κB in mHSCs. Moreover, through bioinformatic analysis and cell transfection, we confirmed that PHI reduced HSC activation by inhibiting the overexpression of miR-125b-5p in M1 macrophage-derived exosomes and restoring Stard13 expression in mHSCs. On the whole, PHI could inhibit M1 macrophage polarization by suppressing the JAK1/JAK2-STAT1 and Notch1 signaling pathways, and reduce HSC activation by inhibiting macrophage exosomal miR-125b-5p targeting Stard13. DATA AVAILABILITY: The raw data supporting the conclusions of this study are available in the article/Supplementary figures, and can be obtained from the first or corresponding author.
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Affiliation(s)
- Cheng Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Cheng Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yafang Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yanzhi Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Ke Fu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Lihong Gong
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Honglin Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yunxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Key Laboratory of Standardization for Chinese Herbal Medicine, Ministry of Education, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Sun J, Wang W, Hu X, Zhang X, Zhu C, Hu J, Ma R. Local delivery of gaseous signaling molecules for orthopedic disease therapy. J Nanobiotechnology 2023; 21:58. [PMID: 36810201 PMCID: PMC9942085 DOI: 10.1186/s12951-023-01813-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/13/2023] [Indexed: 02/24/2023] Open
Abstract
Over the past decade, a proliferation of research has used nanoparticles to deliver gaseous signaling molecules for medical purposes. The discovery and revelation of the role of gaseous signaling molecules have been accompanied by nanoparticle therapies for their local delivery. While most of them have been applied in oncology, recent advances have demonstrated their considerable potential in diagnosing and treating orthopedic diseases. Three of the currently recognized gaseous signaling molecules, nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S), are highlighted in this review along with their distinctive biological functions and roles in orthopedic diseases. Moreover, this review summarizes the progress in therapeutic development over the past ten years with a deeper discussion of unresolved issues and potential clinical applications.
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Affiliation(s)
- Jiaxuan Sun
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Wenzhi Wang
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Xianli Hu
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Xianzuo Zhang
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Chen Zhu
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China.
| | - Jinming Hu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230001, Anhui, China.
| | - Ruixiang Ma
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China.
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Ren A, He W, Rao J, Ye D, Cheng P, Jian Q, Fu Z, Zhang X, Deng R, Gao Y, Ma Y. Dysregulation of innate cell types in the hepatic immune microenvironment of alcoholic liver cirrhosis. Front Immunol 2023; 14:1034356. [PMID: 36845083 PMCID: PMC9947838 DOI: 10.3389/fimmu.2023.1034356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/12/2023] [Indexed: 02/11/2023] Open
Abstract
Introduction The risk of alcoholic cirrhosis increases in a dose- and time-dependent manner with alcohol consumption and ethanol metabolism in the liver. Currently, no effective antifibrotic therapies are available. We aimed to obtain a better understanding of the cellular and molecular mechanisms involved in the pathogenesis of liver cirrhosis. Methods We performed single-cell RNA-sequencing to analyze immune cells from the liver tissue and peripheral blood form patients with alcoholic cirrhosis and healthy controls to profile the transcriptomes of more than 100,000 single human cells and yield molecular definitions for non-parenchymal cell types. In addition, we performed single-cell RNA-sequencing analysis to reveal the immune microenvironment related to alcoholic liver cirrhosis. Hematoxylin and eosin, Immunofluorescence staining and Flow cytometric analysis were employed to study the difference between tissues and cells with or without alcoholic cirrhosis. Results We identified a fibrosis-associated M1 subpopulation of macrophages that expands in liver fibrosis, differentiates from circulating monocytes, and is pro-fibrogenic. We also define mucosal-associated invariant T (MAIT) cells that expand in alcoholic cirrhosis and are topographically restricted to the fibrotic niche. Multilineage modeling of ligand and receptor interactions between the fibrosis-associated macrophages, MAIT, and NK cells revealed the intra-fibrotic activity of several pro-fibrogenic pathways, including responses to cytokines and antigen processing and presentation, natural killer cell-mediated cytotoxicity, cell adhesion molecules, Th1/Th2/Th17 cell differentiation, IL-17 signaling pathway, and Toll-like receptor signaling pathway. Discussion Our work dissects unanticipated aspects of the cellular and molecular basis of human organ alcoholic fibrosis at the single-cell level and provides a conceptual framework for the discovery of rational therapeutic targets in liver alcoholic cirrhosis.
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Affiliation(s)
- Ao Ren
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wenjing He
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiawei Rao
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Dongmei Ye
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Pengrui Cheng
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qian Jian
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zongli Fu
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xuzhi Zhang
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ronghai Deng
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yifang Gao
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yi Ma
- Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Organ Donation and Transplant Immunology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial International Cooperation Base of Science and Technology (Organ Transplantation), The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Liu Z, Shan S, Yuan Z, Wu F, Zheng M, Wang Y, Gui J, Xu W, Wang C, Ren T, Wen Z. Mitophagy bridges DNA sensing with metabolic adaption to expand lung cancer stem-like cells. EMBO Rep 2023; 24:e54006. [PMID: 36416244 PMCID: PMC9900345 DOI: 10.15252/embr.202154006] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/01/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
While previous studies have identified cancer stem-like cells (CSCs) as a crucial driver for chemoresistance and tumor recurrence, the underlying mechanisms for populating the CSC pool remain unclear. Here, we identify hypermitophagy as a feature of human lung CSCs, promoting metabolic adaption via the Notch1-AMPK axis to drive CSC expansion. Specifically, mitophagy is highly active in CSCs, resulting in increased mitochondrial DNA (mtDNA) content in the lysosome. Lysosomal mtDNA acts as an endogenous ligand for Toll-like receptor 9 (TLR9) that promotes Notch1 activity. Notch1 interacts with AMPK to drive lysosomal AMPK activation by inducing metabolic stress and LKB1 phosphorylation. This TLR9-Notch1-AMPK axis supports mitochondrial metabolism to fuel CSC expansion. In patient-derived xenograft chimeras, targeting mitophagy and TLR9-dependent Notch1-AMPK pathway restricts tumor growth and CSC expansion. Taken together, mitochondrial hemostasis is interlinked with innate immune sensing and Notch1-AMPK activity to increase the CSC pool of human lung cancer.
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Affiliation(s)
- Zhen Liu
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
| | - Shan Shan
- Department of Respiratory MedicineShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Zixin Yuan
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
| | - Fengying Wu
- Department of Medical Oncology, Shanghai Pulmonary HospitalTongji University School of MedicineShanghaiChina
| | - Ming Zheng
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
| | - Ying Wang
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
| | - Jun Gui
- State Key Laboratory of Oncogenes and Related Genes; Renji‐Med X Clinical Stem Cell Research Center, Renji HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Wei Xu
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
| | - Chunhong Wang
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology of Jiangsu Province, State Key Laboratory of Radiation Medicine and ProtectionSoochow UniversitySuzhouChina
| | - Tao Ren
- Department of Respiratory MedicineShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- Shanghai Kay Laboratory of Sleep Disordered BreathingShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Zhenke Wen
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical SciencesSoochow UniversitySuzhouChina
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Eguchi A, Iwasa M, Nakagawa H. Extracellular vesicles in fatty liver disease and steatohepatitis: Role as biomarkers and therapeutic targets. Liver Int 2023; 43:292-298. [PMID: 36462157 DOI: 10.1111/liv.15490] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 01/01/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) and alcohol-associated liver disease (ALD) are characterized by lipid deposition in hepatocytes in the absence or presence of excessive alcohol consumption, respectively, ranging from simple steatosis to non-alcoholic steatohepatitis (NASH) or alcoholic hepatitis (AH) and from mild fibrosis to cirrhosis. Fatty liver disease and steatohepatitis similarly occur in individuals who have both metabolic syndrome and excessive alcohol intake; therefore, the single overarching term metabolic associated fatty liver disease (MAFLD) has been proposed to better reflect these risk factors and the continuity of disease progression. Extracellular vesicles (EVs) are membrane-bound endogenous nanoparticles released into the extracellular space by a majority of cell types. Liver disease-related EVs contain a variety of cellular cargo and are internalized into target cells resulting in the transfer of bioinformation reflecting the state of the donor cell to the recipient. Furthermore, EV composition can be used to identify the degree and type of liver disease, suggesting that EV composition may be a useful biomarker. With regard to MAFLD, the presence of metabolic risk factors, such as insulin resistance, will be indicated by adipose tissue-derived EVs and with that comes the potential to use as a clinical monitor of overall metabolic status. However, the inhibition of specific EV composition may be difficult to implement as a real-world therapeutic approach. Current global evidence shows that mesenchymal stem cell (MSCs)-derived EVs (MSC-EVs) play an important role in regulating the immune response, which has spawned a clinical trial to treat liver disease.
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Affiliation(s)
- Akiko Eguchi
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Motoh Iwasa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
| | - Hayato Nakagawa
- Department of Gastroenterology and Hepatology, Graduate School of Medicine, Mie University, Tsu, Japan
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Yang Y, Ni M, Zong R, Yu M, Sun Y, Li J, Chen P, Li C. Targeting Notch1-YAP Circuit Reprograms Macrophage Polarization and Alleviates Acute Liver Injury in Mice. Cell Mol Gastroenterol Hepatol 2023; 15:1085-1104. [PMID: 36706917 PMCID: PMC10036742 DOI: 10.1016/j.jcmgh.2023.01.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/29/2023]
Abstract
BACKGROUND & AIMS Hepatic immune system disorder plays a critical role in the pathogenesis of acute liver injury. The intrinsic signaling mechanisms responsible for dampening excessive activation of liver macrophages are not completely understood. The Notch and Hippo-YAP signaling pathways have been implicated in immune homeostasis. In this study, we investigated the interactive cell signaling networks of Notch1/YAP pathway during acute liver injury. METHODS Myeloid-specific Notch1 knockout (Notch1M-KO) mice and the floxed Notch1 (Notch1FL/FL) mice were subjected to lipopolysaccharide/D-galactosamine toxicity. Some mice were injected via the tail vein with bone marrow-derived macrophages transfected with lentivirus-expressing YAP. Some mice were injected with YAP siRNA using an in vivo mannose-mediated delivery system. RESULTS We found that the activated Notch1 and YAP signaling in liver macrophages were closely related to lipopolysaccharide/D-galactosamine-induced acute liver injury. Macrophage/neutrophil infiltration, proinflammatory mediators, and hepatocellular apoptosis were markedly ameliorated in Notch1M-KO mice. Importantly, myeloid Notch1 deficiency depressed YAP signaling and facilitated M2 macrophage polarization in the injured liver. Furthermore, YAP overexpression in Notch1M-KO livers exacerbated liver damage and shifted macrophage polarization toward the M1 phenotype. Mechanistically, macrophage Notch1 signaling could transcriptionally activate YAP gene expression. Reciprocally, YAP transcriptionally upregulated the Notch ligand Jagged1 gene expression and was essential for Notch1-mediated macrophage polarization. Finally, dual inhibition of Notch1 and YAP in macrophages further promoted M2 polarization and alleviated liver damage. CONCLUSIONS Our findings underscore a novel molecular insight into the Notch1-YAP circuit for controlling macrophage polarization in acute liver injury, raising the possibility of targeting macrophage Notch1-YAP circuit as an effective strategy for liver inflammation-related diseases.
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Affiliation(s)
- Yan Yang
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China; Tissue Engineering and Organ Manufacturing (TEOM) Lab, Department of Biomedical Engineering, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China
| | - Ming Ni
- Hepatobiliary Center of The First Affiliated Hospital, Nanjing Medical University, Nanjing, China; Research Unit of Liver Transplantation and Transplant Immunology, Key Laboratory of Liver Transplantation, Chinese Academy of Medical Sciences, Nanjing, China
| | - Ruobin Zong
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China
| | - Mengxue Yu
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China
| | - Yishuang Sun
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China
| | - Jiahui Li
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China
| | - Pu Chen
- Tissue Engineering and Organ Manufacturing (TEOM) Lab, Department of Biomedical Engineering, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China.
| | - Changyong Li
- Department of Physiology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, China.
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Peng X, Wang Q, Li W, Ge G, Peng J, Xu Y, Yang H, Bai J, Geng D. Comprehensive overview of microRNA function in rheumatoid arthritis. Bone Res 2023; 11:8. [PMID: 36690624 PMCID: PMC9870909 DOI: 10.1038/s41413-023-00244-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 11/15/2022] [Accepted: 12/04/2022] [Indexed: 01/25/2023] Open
Abstract
MicroRNAs (miRNAs), a class of endogenous single-stranded short noncoding RNAs, have emerged as vital epigenetic regulators of both pathological and physiological processes in animals. They direct fundamental cellular pathways and processes by fine-tuning the expression of multiple genes at the posttranscriptional level. Growing evidence suggests that miRNAs are implicated in the onset and development of rheumatoid arthritis (RA). RA is a chronic inflammatory disease that mainly affects synovial joints. This common autoimmune disorder is characterized by a complex and multifaceted pathogenesis, and its morbidity, disability and mortality rates remain consistently high. More in-depth insights into the underlying mechanisms of RA are required to address unmet clinical needs and optimize treatment. Herein, we comprehensively review the deregulated miRNAs and impaired cellular functions in RA to shed light on several aspects of RA pathogenesis, with a focus on excessive inflammation, synovial hyperplasia and progressive joint damage. This review also provides promising targets for innovative therapies of RA. In addition, we discuss the regulatory roles and clinical potential of extracellular miRNAs in RA, highlighting their prospective applications as diagnostic and predictive biomarkers.
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Affiliation(s)
- Xiaole Peng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Qing Wang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Wenming Li
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Gaoran Ge
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiachen Peng
- grid.413390.c0000 0004 1757 6938Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, 563000 Zunyi, P. R. China
| | - Yaozeng Xu
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Huilin Yang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiaxiang Bai
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Dechun Geng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
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Huang D, Han Y, Tang T, Yang L, Jiang P, Qian W, Zhang Z, Qian X, Zeng X, Qian P. Dlk1 maintains adult mice long-term HSCs by activating Notch signaling to restrict mitochondrial metabolism. Exp Hematol Oncol 2023; 12:11. [PMID: 36653853 PMCID: PMC9850540 DOI: 10.1186/s40164-022-00369-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 12/30/2022] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Adult hematopoietic stem cells (HSCs) homeostasis is critically important in maintaining lifelong hematopoiesis. However, how adult HSCs orchestrate its homeostasis remains not fully understood. Imprinted gene Dlk1 has been shown to play critical role in mouse embryonic hematopoiesis and in regulation of stem cells, but its physiological roles in adult HSCs are unknown. METHODS We performed gene expression analysis of Dlk1, and constructed conditional Dlk1 knockout (KO) mice by crossing Mx1 cre mice with Dlkflox/flox mice. Western blot and quantitative PCR were used to detect Dlk1 KO efficiency. Flow cytometry was performed to investigate the effects of Dlk1 KO on HSCs, progenitors and linage cells in primary mice. Competitive HSCs transplantation and secondary transplantation was used to examine the effects of Dlk1 KO on long-term hematopoietic repopulation potential of HSCs. RNA-Seq and cell metabolism assays was used to determine the underlying mechanisms. RESULTS Dlk1 was highly expressed in adult mice long-term HSCs (LT-HSCs) relative to progenitors and mature lineage cells. Dlk1 KO in adult mice HSCs drove HSCs enter active cell cycle, and expanded phenotypical LT-HSCs, but undermined its long-term hematopoietic repopulation potential. Dlk1 KO resulted in an increase in HSCs' metabolic activity, including glucose uptake, ribosomal translation, mitochondrial metabolism and ROS production, which impaired HSCs function. Further, Dlk1 KO in adult mice HSCs attenuated Notch signaling, and re-activation of Notch signaling under Dlk1 KO decreased the mitochondrial activity and ROS production, and rescued the changes in frequency and absolute number of HSCs. Scavenging ROS by antioxidant N-acetylcysteine could inhibit mitochondrial metabolic activity, and rescue the changes in HSCs caused by Dlk1 KO. CONCLUSION Our study showed that Dlk1 played an essential role in maintaining HSC homeostasis, which is realized by governing cell cycle and restricting mitochondrial metabolic activity.
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Affiliation(s)
- Deyu Huang
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XDr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310012 Zhejiang People’s Republic of China
| | - Yingli Han
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Tian Tang
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China ,grid.35030.350000 0004 1792 6846Department of Biomedical Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR China
| | - Lin Yang
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Penglei Jiang
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Wenchang Qian
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Zhaoru Zhang
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Xinyue Qian
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Xin Zeng
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China
| | - Pengxu Qian
- grid.13402.340000 0004 1759 700XCenter of Stem Cell and Regenerative Medicine, and Bone Marrow Transplantation Center of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XLiangzhu Laboratory, Zhejiang University Medical Center, 1369 West Wenyi Road, Hangzhou, China ,grid.13402.340000 0004 1759 700XInstitute of Hematology, Zhejiang University and Zhejiang Engineering Laboratory for Stem Cell and Immunotherapy, Hangzhou, 310058 China ,grid.13402.340000 0004 1759 700XDr. Li Dak Sum & Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310012 Zhejiang People’s Republic of China
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Lyu M, Shi X, Liu Y, Zhao H, Yuan Y, Xie R, Gu Y, Dong Y, Wang M. Single-Cell Transcriptome Analysis of H5N1-HA-Stimulated Alpaca PBMCs. Biomolecules 2022; 13:biom13010060. [PMID: 36671445 PMCID: PMC9855979 DOI: 10.3390/biom13010060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/29/2022] Open
Abstract
Avian influenza A virus H5N1 is a highly pathogenic and persistently a major threat to global health. Vaccines and antibodies targeting hemagglutinin (HA) protein are the primary management strategies for the epidemic virus. Although camelids possess unique immunological features, the immune response induced by specific antigens has not yet been thoroughly investigated. Herein, we immunized an alpaca with the HA antigen of the H5N1 virus and performed single-cell transcriptome profiling for analysis of longitudinal peripheral blood mononuclear cell (PBMCs) behavior using single-cell sequencing technology (scRNA-seq). We revealed multiple cellular immunities during the immunization. The monocytes continued to expand after immunization, while the plasma cells reached their peak three days after the second antigen stimulation. Both monocytes and B cells were stimulated by the HA antigen and produced cell-type-specific cytokines to participated in the immune response. To our knowledge, this is the first study to examine the HA-specific immunological dynamics of alpaca PBMCs at the single-cell level, which is beneficial for understanding the anti-viral immune system and facilitating the development of more potent vaccines and antibodies in camelid animals.
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Affiliation(s)
- Menghua Lyu
- BGI-Shenzhen, Shenzhen 518083, China
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, China
| | | | - Yang Liu
- BGI-Shenzhen, Shenzhen 518083, China
| | | | - Yue Yuan
- BGI-Shenzhen, Shenzhen 518083, China
| | - Run Xie
- BGI-Shenzhen, Shenzhen 518083, China
| | - Ying Gu
- BGI-Shenzhen, Shenzhen 518083, China
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Han HT, Jin WL, Li X. Mesenchymal stem cells-based therapy in liver diseases. MOLECULAR BIOMEDICINE 2022; 3:23. [PMID: 35895169 PMCID: PMC9326420 DOI: 10.1186/s43556-022-00088-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/20/2022] [Indexed: 12/24/2022] Open
Abstract
Multiple immune cells and their products in the liver together form a complex and unique immune microenvironment, and preclinical models have demonstrated the importance of imbalances in the hepatic immune microenvironment in liver inflammatory diseases and immunocompromised liver diseases. Various immunotherapies have been attempted to modulate the hepatic immune microenvironment for the purpose of treating liver diseases. Mesenchymal stem cells (MSCs) have a comprehensive and plastic immunomodulatory capacity. On the one hand, they have been tried for the treatment of inflammatory liver diseases because of their excellent immunosuppressive capacity; On the other hand, MSCs have immune-enhancing properties in immunocompromised settings and can be modified into cellular carriers for targeted transport of immune enhancers by genetic modification, physical and chemical loading, and thus they are also used in the treatment of immunocompromised liver diseases such as chronic viral infections and hepatocellular carcinoma. In this review, we discuss the immunological basis and recent strategies of MSCs for the treatment of the aforementioned liver diseases. Specifically, we update the immune microenvironment of the liver and summarize the distinct mechanisms of immune microenvironment imbalance in inflammatory diseases and immunocompromised liver diseases, and how MSCs can fully exploit their immunotherapeutic role in liver diseases with both immune imbalance patterns.
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Zhang S, Wan D, Zhu M, Wang G, Zhang X, Huang N, Zhang J, Zhang C, Shang Q, Zhang C, Liu X, Liang F, Zhang C, Kong G, Geng J, Yao L, Lu S, Chen Y, Li Z. CD11b + CD43 hi Ly6C lo splenocyte-derived macrophages exacerbate liver fibrosis via spleen-liver axis. Hepatology 2022; 77:1612-1629. [PMID: 36098707 PMCID: PMC10113005 DOI: 10.1002/hep.32782] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 09/03/2022] [Accepted: 09/09/2022] [Indexed: 12/08/2022]
Abstract
BACKGROUND AND AIMS Monocyte-derived macrophages (MoMFs), a dominant population of hepatic macrophages under inflammation, play a crucial role in liver fibrosis progression. The spleen serves as an extra monocyte reservoir in inflammatory conditions; however, the precise mechanisms of involvement of the spleen in the pathogenesis of liver fibrosis remain unclear. APPROACH AND RESULTS By splenectomy and splenocyte transfusion, it was observed that splenic CD11b+ cells accumulated intrahepatically as Ly6Clo MoMFs to exacerbate CCl4 -induced liver fibrosis. The splenocyte migration into the fibrotic liver was further directly visualized by spleen-specific photoconversion with KikGR mice and confirmed by CD45.1+ /CD45.2+ spleen transplantation. Spleen-derived CD11b+ cells purified from fibrotic livers were then annotated by single-cell RNA sequencing, and a subtype of CD11b+ CD43hi Ly6Clo splenic monocytes (sM-1s) was identified, which was markedly expanded in both spleens and livers of mice with liver fibrosis. sM-1s exhibited mature feature with high expressions of F4/80, produced much ROS, and manifested preferential migration into livers. Once recruited, sM-1s underwent sequential transformation to sM-2s (highly expressed Mif, Msr1, Clec4d, and Cstb) and then to spleen-derived macrophages (sMφs) with macrophage features of higher expressions of CX3 CR1, F4/80, MHC class II, and CD64 in the fibrotic hepatic milieu. Furthermore, sM-2s and sMφs were demonstrated capable of activating hepatic stellate cells and thus exacerbating liver fibrosis. CONCLUSIONS CD11b+ CD43hi Ly6Clo splenic monocytes migrate into the liver and shift to macrophages, which account for the exacerbation of liver fibrosis. These findings reveal precise mechanisms of spleen-liver axis in hepatic pathogenesis and shed light on the potential of sM-1 as candidate target for controlling liver diseases.
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Affiliation(s)
- Shaoying Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Dan Wan
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Mengchen Zhu
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Guihu Wang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Xurui Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Na Huang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Jian Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Chongyu Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Qi Shang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Chen Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Xi Liu
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Fanfan Liang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Chunyan Zhang
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Guangyao Kong
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Jing Geng
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China
| | - Libo Yao
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Shemin Lu
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China.,Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, China
| | - Yongyan Chen
- Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Zongfang Li
- National-Local Joint Engineering Research Center of Biodiagnosis & Biotherapy, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi Provincial Clinical Medical Research Center for Liver and Spleen Diseases, CHESS-Shaanxi consortium, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Shaanxi International Cooperation Base for Inflammation and Immunity, Xi'an, China.,Key Laboratory of Environment and Genes Related to Diseases, Xi'an Jiaotong University, Ministry of Education of China, Xi'an, China
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Chimento A, D’Amico M, Pezzi V, De Amicis F. Notch Signaling in Breast Tumor Microenvironment as Mediator of Drug Resistance. Int J Mol Sci 2022; 23:ijms23116296. [PMID: 35682974 PMCID: PMC9181656 DOI: 10.3390/ijms23116296] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 01/10/2023] Open
Abstract
Notch signaling dysregulation encourages breast cancer progression through different mechanisms such as stem cell maintenance, cell proliferation and migration/invasion. Furthermore, Notch is a crucial driver regulating juxtracrine and paracrine communications between tumor and stroma. The complex interplay between the abnormal Notch pathway orchestrating the activation of other signals and cellular heterogeneity contribute towards remodeling of the tumor microenvironment. These changes, together with tumor evolution and treatment pressure, drive breast cancer drug resistance. Preclinical studies have shown that targeting the Notch pathway can prevent or reverse resistance, reducing or eliminating breast cancer stem cells. In the present review, we will summarize the current scientific evidence that highlights the involvement of Notch activation within the breast tumor microenvironment, angiogenesis, extracellular matrix remodeling, and tumor/stroma/immune system interplay and its involvement in mechanisms of therapy resistance.
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Affiliation(s)
- Adele Chimento
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, CS, Italy; (A.C.); (M.D.); (F.D.A.)
| | - Maria D’Amico
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, CS, Italy; (A.C.); (M.D.); (F.D.A.)
- Health Center, University of Calabria, 87036 Arcavacata di Rende, CS, Italy
| | - Vincenzo Pezzi
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, CS, Italy; (A.C.); (M.D.); (F.D.A.)
- Correspondence: ; Tel.: +39-0984-493148
| | - Francesca De Amicis
- Department of Pharmacy and Health and Nutritional Sciences, University of Calabria, 87036 Arcavacata di Rende, CS, Italy; (A.C.); (M.D.); (F.D.A.)
- Health Center, University of Calabria, 87036 Arcavacata di Rende, CS, Italy
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45
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Vujovic F, Hunter N, Farahani RM. Notch ankyrin domain: evolutionary rise of a thermodynamic sensor. Cell Commun Signal 2022; 20:66. [PMID: 35585601 PMCID: PMC9118731 DOI: 10.1186/s12964-022-00886-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/21/2022] [Indexed: 12/19/2022] Open
Abstract
Notch signalling pathway plays a key role in metazoan biology by contributing to resolution of binary decisions in the life cycle of cells during development. Outcomes such as proliferation/differentiation dichotomy are resolved by transcriptional remodelling that follows a switch from Notchon to Notchoff state, characterised by dissociation of Notch intracellular domain (NICD) from DNA-bound RBPJ. Here we provide evidence that transitioning to the Notchoff state is regulated by heat flux, a phenomenon that aligns resolution of fate dichotomies to mitochondrial activity. A combination of phylogenetic analysis and computational biochemistry was utilised to disclose structural adaptations of Notch1 ankyrin domain that enabled function as a sensor of heat flux. We then employed DNA-based micro-thermography to measure heat flux during brain development, followed by analysis in vitro of the temperature-dependent behaviour of Notch1 in mouse neural progenitor cells. The structural capacity of NICD to operate as a thermodynamic sensor in metazoans stems from characteristic enrichment of charged acidic amino acids in β-hairpins of the ankyrin domain that amplify destabilising inter-residue electrostatic interactions and render the domain thermolabile. The instability emerges upon mitochondrial activity which raises the perinuclear and nuclear temperatures to 50 °C and 39 °C, respectively, leading to destabilization of Notch1 transcriptional complex and transitioning to the Notchoff state. Notch1 functions a metazoan thermodynamic sensor that is switched on by intercellular contacts, inputs heat flux as a proxy for mitochondrial activity in the Notchon state via the ankyrin domain and is eventually switched off in a temperature-dependent manner. Video abstract
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Affiliation(s)
- Filip Vujovic
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia.,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Neil Hunter
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia
| | - Ramin M Farahani
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia. .,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia.
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46
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Li J, Yu M, Zong R, Fan C, Ren F, Wu W, Li C. Deacetylation of Notch1 by SIRT1 contributes to HBsAg- and HBeAg-mediated M2 macrophage polarization. Am J Physiol Gastrointest Liver Physiol 2022; 322:G459-G471. [PMID: 35234049 DOI: 10.1152/ajpgi.00338.2021] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Hepatic macrophages are involved in both pathogen clearance and immunopathogenesis. Emerging evidence demonstrates that macrophage polarization plays a critical role in hepatitis B virus (HBV)-induced immune impairment and liver pathology. However, it remains largely unknown as to how HBV infection facilitates M2 macrophage polarization. Here, a mouse HBV infection model was established by hydrodynamic injection with a vector containing 1.3-fold overlength HBV genome via the tail vein. Coculture experiments with HBV-producing HepG2.2.15 cells and macrophages were established in vitro. We found that HBV-inhibited M1 while enhancing M2 markers, which was accompanied by decreased proinflammatory tumor necrosis factor-α (TNF-α) and augmented anti-inflammatory IL-10 expression. Furthermore, both hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg) secretion contributed to HBV-triggered macrophage polarization from M1 toward M2 phenotype. Mechanistically, HBsAg and HBeAg could upregulate the sirtuins 1 (SIRT1) deacetylase expression, which in turn promote deacetylation of the Notch1 intracellular domain (NICD), leading to increased Akt phosphorylation and decreased NF-κB nuclear translocation in macrophages. Our findings suggest that NICD deacetylation by SIRT1 contributes to HBsAg- and HBeAg-mediated M2 macrophage polarization, raising the possibility of targeting SIRT1/Notch1 pathway in macrophages to treat HBV immune evasion and chronic HBV infection.NEW & NOTEWORTHY This study identified a previously unrecognized molecular mechanism of HBV-mediated suppression of innate immune responses. We demonstrate that deacetylation of NICD by SIRT1 contributes to HBsAg- and HBeAg-mediated M2 macrophage polarization, which may aid in the development of new macrophage-based immunotherapy for chronic HBV infection and related diseases.
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Affiliation(s)
- Jiahui Li
- Department of Anatomy and Histology Embryology, Jinzhou Medical University, Jinzhou, People's Republic of China.,Department of Physiology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China.,Department of Anatomy, Youjiang Medical University for Nationalities, Baise, People's Republic of China
| | - Mengxue Yu
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, People's Republic of China.,Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Ruobin Zong
- Department of Physiology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Chengpeng Fan
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
| | - Fu Ren
- Department of Anatomy, Shenyang Medical College, Shenyang, People's Republic of China
| | - Wei Wu
- Institute of Humanities and Social Sciences, Shenyang University, Shenyang, People's Republic of China
| | - Changyong Li
- Department of Physiology, School of Basic Medical Sciences, Wuhan University, Wuhan, People's Republic of China
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47
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Zhu P, Chen C, Wu D, Chen G, Tan R, Ran J. AGEs-induced MMP-9 activation mediated by Notch1 signaling is involved in impaired wound healing in diabetic rats. Diabetes Res Clin Pract 2022; 186:109831. [PMID: 35306046 DOI: 10.1016/j.diabres.2022.109831] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/08/2022] [Accepted: 03/12/2022] [Indexed: 11/03/2022]
Abstract
AIMS To elucidate the relationship between advanced glycation end products (AGEs), Notch1 signaling, nuclear factor-kappa B (NF-κB), and matrix metalloproteinase-9 (MMP-9) in diabetic wound healing in vitro and in vivo. METHODS We incubated primary keratinocytes with AGEs alone or AGEs along with γ-secretase inhibitor DAPT, and established diabetic rat wound model by intraperitoneal streptozotocin treatment. The Notch1 signaling components and MMP-9 expression were detected by qPCR, western blotting and gelatin zymography. RESULTS The exposure of primary keratinocytes to AGEs led to a significant increase in Notch intracellular domain (NICD), Delta-like 4 (Dll4), and Hes1; however, Notch1 expression was inhibited by the RAGE siRNA. Furthermore, MMP-9 activation was up-regulated, secondary to AGEs treatment. In contrast, increased MMP-9 expression by AGEs-stimulation was eliminated after treatment with DAPT. NF-κB activation participated in the Notch1-modulated MMP-9 expression. Notably, in the diabetic animal model, inhibition of the Notch signaling pathway with DAPT attenuated NICD and MMP-9 overexpression, improved collagen accumulation, and ultimately accelerated diabetic wound healing. CONCLUSIONS These findings identified that activation of the Notch1/NF-κB/MMP-9 pathway, in part, mediates the repressive effects of AGEs on diabetic wound healing and that targeting this pathway may be a potential strategy to improve impaired diabetic wound healing.
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Affiliation(s)
- Ping Zhu
- Department of Endocrinology and Metabolism, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, China
| | - Chuping Chen
- Department of Endocrinology and Metabolism, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, China
| | - Daoai Wu
- Department of Endocrinology and Metabolism, The First Affiliated Hospital, Bengbu Medical College, Bengbu 233099, China
| | - Guangshu Chen
- Department of Endocrinology and Metabolism, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, China
| | - Rongshao Tan
- Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, China
| | - Jianmin Ran
- Department of Endocrinology and Metabolism, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, China.
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Ma Y, Li P, Ju C, Zuo X, Li X, Ding T, Liang Z, Zhang J, Li K, Wang X, Zhu Z, Zhang Z, Song Z, Quan H, Hu X, Wang Z. Photobiomodulation Attenuates Neurotoxic Polarization of Macrophages by Inhibiting the Notch1-HIF-1α/NF-κB Signalling Pathway in Mice With Spinal Cord Injury. Front Immunol 2022; 13:816952. [PMID: 35371065 PMCID: PMC8968029 DOI: 10.3389/fimmu.2022.816952] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/22/2022] [Indexed: 12/28/2022] Open
Abstract
Spinal cord injury (SCI) is a catastrophic disease with a complex pathogenesis that includes inflammation, oxidative stress, and glial scar formation. Macrophages are the main mediators of the inflammatory response and are distributed in the epicentre of the SCI. Macrophages have neurotoxic and neuroprotective phenotypes (also known as classically and alternatively activated macrophages or M1 and M2 macrophages) that are associated with pro- or anti- inflammatory gene expression. Our previous study demonstrated that photobiomodulation (PBM) alters the polarization state of macrophages in the SCI region towards the M2 phenotype and promotes the recovery of motor function in rats with SCI. However, the mechanism by which PBM promotes SCI repair remains largely undefined. This study is based on the replacement of conventional percutaneous irradiation with implantable biofibre optic in vivo irradiation. The aim was to further investigate the effects of PBM on SCI in mice under new irradiation patterns and its potential mechanisms of action. PBM was administered to male mice with clamped SCI for four consecutive weeks and significantly promoted the recovery of motor function in mice. Analysis of the macrophage phenotypes in the epicentre of the SCI in mice showed that PBM mainly inhibited the neurotoxic activation of macrophages in the SCI area and reduced the secretion of inflammatory factors such as IL-1α and IL-6; PBM had no effect on M2 macrophages. Immediately afterwards, we constructed in vitro models of the inflammatory polarization of macrophages and PBM intervention. We found that PBM attenuated the neurotoxicity of M1 macrophages on VSC 4.1 motor neurons and dorsal root ganglion (DRG) neurons. The effects of PBM on neurotoxic macrophages and the possible mechanisms of action were analysed using RNA sequencing (RNA-seq), which confirmed that the main role of PBM was to modulate the inflammatory response and immune system processes. Analysis of the differentially expressed genes (DEGs) associated with the inflammatory response showed that PBM had the most significant regulatory effects on genes such as interleukin (IL)-1α, IL-6, cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase (iNOS) and had obvious inhibitory effects on inflammation-related Notch1 and hypoxia-inducible factor-1α (HIF-1α) pathway genes. RNA-seq analysis of the effect of PBM on gene expression in resting-state macrophages and M2 macrophages did not show significant differences (data not shown). In conclusion, PBM promoted better motor recovery after SCI in mice by inhibiting the neurotoxic polarization of macrophages and the release of inflammatory mediators by acting on the Notch1-HIF-1α/NF-κB Signalling Pathway.
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Affiliation(s)
- Yangguang Ma
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Penghui Li
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Cheng Ju
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Xiaoshuang Zuo
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Xin Li
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- Department of Orthopaedics, 967 Hospital of People’s Liberation Army Joint Logistic Support Force, Dalian, China
| | - Tan Ding
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Zhuowen Liang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Jiawei Zhang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Kun Li
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Xuankang Wang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Zhijie Zhu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Zhihao Zhang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Zhiwen Song
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Huilin Quan
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
| | - Xueyu Hu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- *Correspondence: Xueyu Hu, ; Zhe Wang,
| | - Zhe Wang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi’an, China
- *Correspondence: Xueyu Hu, ; Zhe Wang,
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Notch Signaling and Cross-Talk in Hypoxia: A Candidate Pathway for High-Altitude Adaptation. Life (Basel) 2022; 12:life12030437. [PMID: 35330188 PMCID: PMC8954738 DOI: 10.3390/life12030437] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/11/2022] [Accepted: 03/11/2022] [Indexed: 12/17/2022] Open
Abstract
Hypoxia triggers complex inter- and intracellular signals that regulate tissue oxygen (O2) homeostasis, adjusting convective O2 delivery and utilization (i.e., metabolism). Human populations have been exposed to high-altitude hypoxia for thousands of years and, in doing so, have undergone natural selection of multiple gene regions supporting adaptive traits. Some of the strongest selection signals identified in highland populations emanate from hypoxia-inducible factor (HIF) pathway genes. The HIF pathway is a master regulator of the cellular hypoxic response, but it is not the only regulatory pathway under positive selection. For instance, regions linked to the highly conserved Notch signaling pathway are also top targets, and this pathway is likely to play essential roles that confer hypoxia tolerance. Here, we explored the importance of the Notch pathway in mediating the cellular hypoxic response. We assessed transcriptional regulation of the Notch pathway, including close cross-talk with HIF signaling, and its involvement in the mediation of angiogenesis, cellular metabolism, inflammation, and oxidative stress, relating these functions to generational hypoxia adaptation.
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50
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Notch-mediated lactate metabolism regulates MDSC development through the Hes1/MCT2/c-Jun axis. Cell Rep 2022; 38:110451. [PMID: 35263597 DOI: 10.1016/j.celrep.2022.110451] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 11/04/2021] [Accepted: 02/07/2022] [Indexed: 12/19/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) and tumor-associated macrophages (TAMs) play critical roles in tumorigenesis. However, the mechanisms underlying MDSC and TAM development and function remain unclear. In this study, we find that myeloid-specific activation of Notch/RBP-J signaling downregulates lactate transporter MCT2 transcription via its downstream molecule Hes1, leading to reduced intracellular lactate levels, blunted granulocytic MDSC (G-MDSC) differentiation, and enhanced TAM maturation. We identify c-Jun as a novel intracellular sensor of lactate in myeloid cells using liquid-chromatography-mass spectrometry (LC-MS) followed by CRISPR-Cas9-mediated gene disruption. Meanwhile, lactate interacts with c-Jun to protect from FBW7 ubiquitin-ligase-mediated degradation. Activation of Notch signaling and blockade of lactate import repress tumor progression by remodeling myeloid development. Consistently, the relationship between the Notch-MCT2/lactate-c-Jun axis in myeloid cells and tumorigenesis is also confirmed in clinical lung cancer biopsies. Taken together, our current study shows that lactate metabolism regulated by activated Notch signaling might participate in MDSC differentiation and TAM maturation.
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