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Lacinski RA, Dziadowicz SA, Stewart A, Chaharbakhshi E, Akhter H, Pisquiy JJ, Victory JH, Hardham JB, Chew C, Prorock A, Bao Y, Sol-Church K, Hobbs GR, Klein E, Nalesnik MA, Hu G, de Oliveira A, Santiago SP, Lindsey BA. Nanosphere pharmacodynamics improves safety of immunostimulatory cytokine therapy. iScience 2024; 27:108836. [PMID: 38303687 PMCID: PMC10831265 DOI: 10.1016/j.isci.2024.108836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/04/2023] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
Systemic administration of interleukin (IL)-12 induces potent anti-tumor immune responses in preclinical cancer models through the systemic activation of effector immune cells and release of proinflammatory cytokines. IL-12-loaded PLGA nanospheres (IL12ns) are hypothesized to improve therapeutic efficacy and thwart unwanted side effects observed in previous human clinical trials. Through the investigation of peripheral blood and local tissue immune responses in healthy BALB/c mice, the immune-protective pharmacodynamics of IL12ns were suggested. Nanospheres increased pro-inflammatory plasma cytokines/chemokines (IFN-γ, IL-6, TNF-α, and CXCL10) without inducing maladaptive transcriptomic signatures in circulating peripheral immune cells. Gene expression profiling revealed activation of pro-inflammatory signaling pathways in systemic tissues, the likely source of these effector cytokines. These data support that nanosphere pharmacodynamics, including shielding IL-12 from circulating immune cells, depositing peripherally in systemic immune tissues, and then slowly eluting bioactive cytokine, thereafter, are essential to safe immunostimulatory therapy.
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Affiliation(s)
- Ryan A. Lacinski
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Sebastian A. Dziadowicz
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26505, USA
- Bioinformatics Core, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Amanda Stewart
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Edwin Chaharbakhshi
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Halima Akhter
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26505, USA
- Bioinformatics Core, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - John J. Pisquiy
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Jack H. Victory
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Joshua B. Hardham
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Claude Chew
- Advanced Technology Cores, Baylor College of Medicine, Houston, TX 77030, USA
| | - Alyson Prorock
- Genome Analysis & Technology Core, University of Virginia School of Medicine, Charlottesville, VA 22904, USA
| | - Yongde Bao
- Genome Analysis & Technology Core, University of Virginia School of Medicine, Charlottesville, VA 22904, USA
| | - Katia Sol-Church
- Genome Analysis & Technology Core, University of Virginia School of Medicine, Charlottesville, VA 22904, USA
| | - Gerald R. Hobbs
- Department of Orthopaedics, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Edwin Klein
- Division of Laboratory Animal Resources, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, USA
| | - Michael A. Nalesnik
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15260, USA
| | - Gangqing Hu
- Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV 26505, USA
- Bioinformatics Core, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Ana de Oliveira
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, VA 22904, USA
| | - Stell P. Santiago
- Department of Pathology, West Virginia University School of Medicine, Morgantown, WV 26505, USA
| | - Brock A. Lindsey
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
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2
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Hassan M, Assi H, Hassan M, Bies JJ, Prakash S, Hassan A, Alhariri S, Dihowm F. Chronic Recurrent Multifocal Osteomyelitis: A Comprehensive Literature Review. Cureus 2023; 15:e43118. [PMID: 37692753 PMCID: PMC10483435 DOI: 10.7759/cureus.43118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2023] [Indexed: 09/12/2023] Open
Abstract
Chronic recurrent multifocal osteomyelitis (CRMO) is a non-infectious, inflammatory disorder of the bones. CRMO typically affects children, with a predisposition to females. Bone-related pain is often felt in the metaphysis of long bones, particularly of the lower extremities, but it can also target other sites at varied time intervals. Patients are likely to complain of tenderness and swelling that may cause considerable disability and adversely impact quality of life. There are three main pathophysiological mechanisms that have been hypothesized to drive CRMO including imbalanced cytokine expression, increased inflammasome activation, and enhanced osteoclast differentiation. Therapies have been based on targeting and suppressing these key players in CRMO patients. The first step in management involves pain control. Non-steroidal anti-inflammatory drugs should provide initial relief, albeit temporarily. It is imperative to initiate immunosuppressive medication that will help limit bone involvement and thereby prevent the development of fractures or leg-length discrepancies, for example. The purpose of this literature review is to study the pathophysiology of CRMO and carefully dissect the agents that have been previously employed in the management of CRMO patients. This could allow for the purposeful formulation of individualized care plans and improving the overall well-being of patients. The authors included a multitude of PubMed-indexed articles published from 2000 onwards in this review.
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Affiliation(s)
- Mariam Hassan
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
| | - Heabah Assi
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
| | - Maha Hassan
- Biomedical Sciences, Gulf Medical University, Ajman, ARE
| | - Jared J Bies
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
| | - Swathi Prakash
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
| | - Ali Hassan
- Emergency Medicine, Mercy Health St. Elizabeth Boardman Hospital, Boardman, USA
| | - Sara Alhariri
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
| | - Fatma Dihowm
- Internal Medicine, Texas Tech University Health Sciences Center Paul L. Foster School of Medicine, El Paso, USA
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Zhang J, Qi J, Shu J, Su G, Cao Q, Zhou C, Wang Y, Yang P. SNP rs7130280 in lncRNA NONHSAT159216.1 confers susceptibility to Behçet's disease uveitis in a Chinese Han population. Rheumatology (Oxford) 2022; 62:384-396. [PMID: 35416950 DOI: 10.1093/rheumatology/keac230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/30/2022] [Accepted: 03/30/2022] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE Long noncoding RNA (lncRNA) plays a crucial role in the process of immune-mediated diseases. However, the defined involvement of lncRNA on Behçet's disease (BD) is not well known. The aim of this study was to investigate the effects of lncRNA-related single nucleotide polymorphisms (SNPs) on BD susceptibility in Chinese populations. METHODS A two-stage case-control association study was conducted in a cohort of 1152 BD individuals and 1152 healthy controls. Genotyping was performed by a MassARRAY System. Quantified expression of the lncRNA-miRNA-mRNA molecular axis was detected by real-time PCR and western blot. The cell proliferation was measured by CCK-8 assay. RESULTS Two-stage association analysis showed a significantly decreased frequency of A allele of SNP rs7130280 in BD patients compared with healthy controls [OR 0.72 (95% CI 0.64, 0.81), Pc = 1.15 × 10-6]. Functionally, SNP rs7130280 could influence the secondary structure and relative expression of NONHSAT159216.1 in human THP-1/U937 macrophages and in peripheral blood mononuclear cells from healthy volunteers. In vitro, overexpression of the rs7130280 A allele also suppressed cell proliferation. Mechanistically, rs7130280 A allele could inhibit the expression of miR-6778-5p, thus enhancing its downstream molecular RPS6KA4/IL10 in a competing endogenous RNA sponge manner. CONCLUSION Our findings suggest that NONHSAT159216.1 rs7130280 G>A might be associated with a low risk of BD and participates in a potential lncRNA-miRNA-mRNA regulatory network.
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Affiliation(s)
- Jun Zhang
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Jian Qi
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Jia Shu
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Guannan Su
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Qingfeng Cao
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Chunjiang Zhou
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Yao Wang
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
| | - Peizeng Yang
- First Affiliated Hospital of Chongqing Medical University, Chongqing Key Lab of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, People's Republic of China
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4
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Tan SYX, Zhang J, Tee WW. Epigenetic Regulation of Inflammatory Signaling and Inflammation-Induced Cancer. Front Cell Dev Biol 2022; 10:931493. [PMID: 35757000 PMCID: PMC9213816 DOI: 10.3389/fcell.2022.931493] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/23/2022] [Indexed: 01/10/2023] Open
Abstract
Epigenetics comprise a diverse array of reversible and dynamic modifications to the cell’s genome without implicating any DNA sequence alterations. Both the external environment surrounding the organism, as well as the internal microenvironment of cells and tissues, contribute to these epigenetic processes that play critical roles in cell fate specification and organismal development. On the other hand, dysregulation of epigenetic activities can initiate and sustain carcinogenesis, which is often augmented by inflammation. Chronic inflammation, one of the major hallmarks of cancer, stems from proinflammatory cytokines that are secreted by tumor and tumor-associated cells in the tumor microenvironment. At the same time, inflammatory signaling can establish positive and negative feedback circuits with chromatin to modulate changes in the global epigenetic landscape. In this review, we provide an in-depth discussion of the interconnected crosstalk between epigenetics and inflammation, specifically how epigenetic mechanisms at different hierarchical levels of the genome control inflammatory gene transcription, which in turn enact changes within the cell’s epigenomic profile, especially in the context of inflammation-induced cancer.
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Affiliation(s)
- Shawn Ying Xuan Tan
- Chromatin Dynamics and Disease Epigenetics Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Jieqiong Zhang
- Chromatin Dynamics and Disease Epigenetics Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore.,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Wee-Wei Tee
- Chromatin Dynamics and Disease Epigenetics Laboratory, Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (ASTAR), Singapore, Singapore.,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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5
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Khandibharad S, Singh S. Computational System Level Approaches for Discerning Reciprocal Regulation of IL10 and IL12 in Leishmaniasis. Front Genet 2022; 12:784664. [PMID: 35126456 PMCID: PMC8807686 DOI: 10.3389/fgene.2021.784664] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/20/2021] [Indexed: 12/22/2022] Open
Abstract
IL12 and IL10 are two of the major cytokines which control the fate of Leishmaniasis. This paper presents two models healthy state and diseased state which shows how secretion of IL12 is responsible for parasite elimination and IL10 can jeopardize the parasite elimination and promote its survival. Epigenetic modification in the host IL12 and IL10 promoter can decide the fate of parasites. It was observed that reciprocal relationship exists between IL12 and IL10 and that is majorly controlled by a transcription factor NFAT5 from Rel family of transcription factors. By targeting this transcription factor at the cellular level, it might be possible to modulate the release of powerful pro-inflammatory cytokines, thereby reducing parasite survival. The mathematical models developed here serves as a step towards finding a key component that can pave a way for therapeutic investigation.
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6
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Yu JR, Varrey P, Liang BJ, Huang HC, Fisher JP. Liposomal SDF-1 Alpha Delivery in Nanocomposite Hydrogels Promotes Macrophage Phenotype Changes and Skin Tissue Regeneration. ACS Biomater Sci Eng 2021; 7:5230-5241. [PMID: 34699182 DOI: 10.1021/acsbiomaterials.1c01140] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Skin regeneration in chronic wounds is often delayed due to persistent inflammation induced by underlying conditions such as diabetes. This effect is mediated, in part, by macrophages present in the wound, which can be stimulated to adopt either pro- or anti-inflammatory phenotypes depending on the status of the local microenvironment. In this work, the prohealing chemokine stromal cell-derived factor-1 alpha (SDF-1α) is controllably released from a hydrogel-based biomaterial to promote skin tissue regeneration and wound closure. This innovative nanocomposite hydrogel system releases liposomal stromal cell-derived factor-1 alpha (lipoSDF) as a new treatment approach for dorsal full-thickness skin wounds in wild-type and diabetic mice. Using this strategy, the recruitment and polarization of macrophages primarily of the anti-inflammatory phenotype were observed, along with a decreased amount of open wound surface area in diabetic mice after 28 days. This was accompanied by histological observations of increased epidermal stratification and dermal angiogenesis. These findings represent an important step of investigation distinctive in its field for developing immunomodulatory biomaterials that are able to influence macrophage phenotype and promote healing as hydrogel-based wound dressings.
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Affiliation(s)
- Justine R Yu
- Fischell Department of Bioengineering, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States.,NIH/NBIB Center for Engineering Complex Tissues, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States.,University of Maryland School of Medicine, Baltimore, Maryland 21201, United States
| | - Pranav Varrey
- Fischell Department of Bioengineering, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States
| | - Barry J Liang
- Fischell Department of Bioengineering, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States.,NIH/NCI, Laboratory of Cell Biology, Center for Cancer Research, Bethesda, Maryland 20892, United States
| | - Huang-Chiao Huang
- Fischell Department of Bioengineering, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States.,Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland 21201, United States
| | - John P Fisher
- Fischell Department of Bioengineering, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States.,NIH/NBIB Center for Engineering Complex Tissues, University of Maryland, College Park, 3121 A. James Clark Hall, 8278 Paint Branch Drive, College Park, Maryland 20742, United States
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7
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Na YR, Jung D, Song J, Park JW, Hong JJ, Seok SH. Pyruvate dehydrogenase kinase is a negative regulator of interleukin-10 production in macrophages. J Mol Cell Biol 2021; 12:543-555. [PMID: 31900478 PMCID: PMC7493030 DOI: 10.1093/jmcb/mjz113] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/11/2019] [Accepted: 11/09/2019] [Indexed: 02/07/2023] Open
Abstract
Interleukin-10 (IL-10) is the most potent anti-inflammatory cytokine in the body and plays an essential role in determining outcomes of many inflammatory diseases. Cellular metabolism is a critical determinant of immune cell function; however, it is currently unclear whether metabolic processes are specifically involved in IL-10 production. In this study, we aimed to find the central metabolic molecule regulating IL-10 production of macrophages, which are the main producers of IL-10. Transcriptomic analysis identified that metabolic changes were predominantly enriched in Kupffer cells at the early inflammatory phase of a mouse endotoxemia model. Among them, pyruvate dehydrogenase kinase (PDK)-dependent acute glycolysis was negatively involved in IL-10 production. Inhibition or knockdown of PDK selectively increased macrophage IL-10 expression. Mechanistically, PDK inhibition increased IL-10 production via profound phosphorylation of adenosine monophosphate (AMP)-activated protein kinase alpha 1 (AMPKα1) by restricting glucose uptake in lipopolysaccharide-stimulated macrophages. AMPKα1 consequently activated p38 mitogen-activated protein kinase, c-Jun N-terminal kinase, and cyclic AMP-responsive element-binding protein to regulate IL-10 production. Our study uncovers a previously unknown regulatory mechanism of IL-10 in activated macrophages involving an immunometabolic function of PDK.
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Affiliation(s)
- Yi Rang Na
- Macrophage Lab, Department of Microbiology and Immunology and Institute of Endemic Disease, Seoul National University College of Medicine, Chongno-gu, Seoul 03080, Republic of Korea
| | - Daun Jung
- Macrophage Lab, Department of Microbiology and Immunology and Institute of Endemic Disease, Seoul National University College of Medicine, Chongno-gu, Seoul 03080, Republic of Korea
| | - Juha Song
- Macrophage Lab, Department of Microbiology and Immunology and Institute of Endemic Disease, Seoul National University College of Medicine, Chongno-gu, Seoul 03080, Republic of Korea
| | - Jong-Wan Park
- Department of Biomedical Science, BK21-Plus Education Program, Seoul National University College of Medicine, Jongno-gu, Seoul 03080, Republic of Korea.,Department of Pharmacology, Seoul National University College of Medicine, Jongno-gu, Seoul 03080, Republic of Korea.,Cancer Research Institute and Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Jongno-gu, Seoul 03080, Republic of Korea
| | - Jung Joo Hong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju 28116, Republic of Korea
| | - Seung Hyeok Seok
- Macrophage Lab, Department of Microbiology and Immunology and Institute of Endemic Disease, Seoul National University College of Medicine, Chongno-gu, Seoul 03080, Republic of Korea
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8
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Chronic nonbacterial osteomyelitis (CNO) and chronic recurrent multifocal osteomyelitis (CRMO). J Transl Autoimmun 2021; 4:100095. [PMID: 33870159 PMCID: PMC8040271 DOI: 10.1016/j.jtauto.2021.100095] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/22/2021] [Accepted: 03/10/2021] [Indexed: 01/01/2023] Open
Abstract
Chronic nonbacterial osteomyelitis (CNO) is an inflammatory bone disorder that most frequently affects children and adolescents. Chronic recurrent multifocal osteomyelitis (CRMO) is a severe form of CNO, usually characterized by symmetrical inflammatory bone lesions and its waxing and waning character. Sometimes severe and chronic pain can significantly affect the quality of life and psychosocial development of individuals affected. In the absence of prospectively tested and widely accepted diagnostic criteria or disease biomarkers, CNO remains a diagnosis of exclusion, and infections, malignancy and other differentials require consideration (1). The pathophysiology of CNO is not fully understood, but imbalanced cytokine expression and increased inflammasome activation in monocytes from CNO patients contribute to a pro-inflammatory phenotype that contributes to bone inflammation (2). Currently, no medications are licensed for the use in CNO. Most patients show at least some response to nonsteroidal anti-inflammatory drugs, others require more aggressive treatment that can include corticosteroids, cytokine-blocking agents and/or bisphosphonates (3). While under the care of an experienced team and sufficient treatment, the prognosis is good, but some patients will develop sequalae which can include vertebral compression fractures (1). CNO is an autoinflammatory bone disorder mostly affecting children and adolescents. Dysregulated cytokine expression and pathological activation of inflammasomes play a central role. Treatment is based on experience from case series and expert consensus treatment plans. Understanding the exact molecular pathophysiology will allow patient stratification and individualized treatment.
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9
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Shen Q, Reedijk M. Notch Signaling and the Breast Cancer Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1287:183-200. [PMID: 33034033 DOI: 10.1007/978-3-030-55031-8_12] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Notch promotes breast cancer progression through tumor initiating cell maintenance, tumor cell fate specification, proliferation, survival, and motility. In addition, Notch is recognized as a decisive mechanism in regulating various juxtacrine and paracrine communications in the tumor microenvironment (TME). In this chapter, we review recent studies on stress-mediated Notch activation within the TME and sequelae such as angiogenesis, extracellular matrix remodeling, changes in the innate and adaptive immunophenotype, and therapeutic perspectives.
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Affiliation(s)
- Qiang Shen
- Department of Surgical Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Michael Reedijk
- Department of Surgical Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada.
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10
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Ruenjaiman V, Butta P, Leu YW, Pongpanich M, Leelahavanichkul A, Kueanjinda P, Palaga T. Profile of Histone H3 Lysine 4 Trimethylation and the Effect of Lipopolysaccharide/Immune Complex-Activated Macrophages on Endotoxemia. Front Immunol 2020; 10:2956. [PMID: 31998290 PMCID: PMC6965496 DOI: 10.3389/fimmu.2019.02956] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 12/02/2019] [Indexed: 12/12/2022] Open
Abstract
Macrophage plasticity is a process that allows macrophages to switch between two opposing phenotypes based on differential stimuli. Interferon γ (IFNγ)-primed macrophages stimulated with lipopolysaccharide (LPS) [M(IFNγ+LPS)] produce high levels of pro-inflammatory cytokines such as IL-12, TNFα, and IL-6 and low levels of the anti-inflammatory cytokine IL-10, while those stimulated with LPS in the presence of the immune complex (IC) [M(IFNγ+LPS+IC)] produce high levels of IL-10 and low levels of IL-12. In this study, we investigated the plasticity between M(IFNγ+LPS) and M(IFNγ+LPS+IC) in vitro and compared one of the active histone marks [histone H3 lysine 4 trimethylation (H3K4me3)] between M(IFNγ+LPS) and M(IFNγ+LPS+IC) using murine bone marrow-derived macrophages. We found that in an in vitro system, macrophages exhibited functional plasticity from M(LPS) to M(LPS+IC) upon repolarization after 2 days of washout period while IFNγ priming before LPS stimulation prevented this repolarization. Phosphorylation of p38, SAPK/JNK, and NF-κB p65 in M(LPS+IC) repolarized from M(LPS) was similar to that in M(LPS+IC) polarized from resting macrophages. To obtain the epigenetic profiles of M(IFNγ+LPS) and M(IFNγ+LPS+IC), the global enrichment of H3K4me3 was evaluated. M(IFNγ+LPS) and M(IFNγ+LPS+IC) displayed marked differences in genome-wide enrichment of H3K4me3. M(IFNγ+LPS+IC) showed increased global enrichment of H3K4me3, whereas M(IFNγ+LPS) showed decreased enrichment when compared to unstimulated macrophages. Furthermore, M(IFNγ+LPS+IC) exhibited high levels of H3K4me3 enrichment in all cis-regulatory elements. At the individual gene level, the results showed increased H3K4me3 enrichment in the promoters of known genes associated with M(IFNγ+LPS+IC), including Il10, Cxcl1, Csf3, and Il33, when compared with those of M(IFNγ+LPS). Finally, we investigated the impact of M(IFNγ+LPS+IC) on the systemic immune response by adoptive transfer of M(IFNγ+LPS+IC) in an LPS-induced endotoxemia model. The cytokine profile revealed that mice with adoptively transferred M(IFNγ+LPS+IC) had acutely reduced serum levels of the inflammatory cytokines IL-1β and IL-p12p70. This study highlights the importance of epigenetics in regulating macrophage activation and the functions of M(IFNγ+LPS+IC) that may influence macrophage plasticity and the potential therapeutic use of macrophage transfer in vivo.
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Affiliation(s)
- Vichaya Ruenjaiman
- Interdisciplinary Graduate Program in Medical Microbiology, Graduate School, and Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Patcharavadee Butta
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Yu-Wei Leu
- Department of Life Science, National Chung Cheng University, Chiayi, Taiwan
| | - Monnat Pongpanich
- Department of Mathematics and Computer Science, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Asada Leelahavanichkul
- Interdisciplinary Graduate Program in Medical Microbiology, Graduate School, and Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Patipark Kueanjinda
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Nagano, Japan
| | - Tanapat Palaga
- Interdisciplinary Graduate Program in Medical Microbiology, Graduate School, and Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand.,Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
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11
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Adeshakin AO, Yan D, Zhang M, Wang L, Adeshakin FO, Liu W, Wan X. Blockade of myeloid-derived suppressor cell function by valproic acid enhanced anti-PD-L1 tumor immunotherapy. Biochem Biophys Res Commun 2019; 522:604-611. [PMID: 31785814 DOI: 10.1016/j.bbrc.2019.11.155] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 11/22/2019] [Indexed: 12/22/2022]
Abstract
Regardless of the remarkable clinical success of immune checkpoint blockade (ICB) against PD-1/PD-L1 pathway, this approach has encountered drawbacks in most patients due to the activation of tumor immunosuppressive factors such as myeloid-derived suppressor cells (MDSCs). Histone deacetylase (HDAC) inhibitors combat ICB resistance by attenuating the immunosuppressive function of MDSCs and increasing PD-L1 expression on tumor cells. However, whether an HDAC inhibitor - valproic acid (VPA) suppression of MDSCs function could enhance PD-L1 blockade-mediated tumor immunotherapy remains unknown. Here we report that VPA and anti-PD-L1 antibody combined treatment promoted the polarization of bone marrow-derived precursor cells into M-MDSCs. Interestingly, the combination treatment of VPA and anti-PD-L1 antibody activated IRF1/IRF8 transcriptional axis in MDSCs leading to blockade of their immunosuppressive function by downregulating the expression of IL-10, IL-6, and ARG1 while re-activating CD8+ T-cells for the production of TNFα to further enhance anti-tumor immunity. These observations provide further rationale for the combination therapy of VPA with anti-PD-L1 antibody in preclinical settings.
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Affiliation(s)
- Adeleye O Adeshakin
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; University of Chinese Academy of Sciences, Beijing, 100864, China
| | - Dehong Yan
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Mengqi Zhang
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; School of Basic Medical Science, Jinzhou Medical University, Jinzhou, 121000, China
| | - Lulu Wang
- Department of Pediatrics, The University of Hong Kong-Shenzhen Hospital, Shenzhen, 518053, China
| | - Funmilayo O Adeshakin
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; University of Chinese Academy of Sciences, Beijing, 100864, China
| | - Wan Liu
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Xiaochun Wan
- Shenzhen Laboratory for Human Antibody Engineering, Center for Protein and Cell-based Drugs, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China; University of Chinese Academy of Sciences, Beijing, 100864, China.
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12
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Zhou G, Xia J. OmicsNet: a web-based tool for creation and visual analysis of biological networks in 3D space. Nucleic Acids Res 2019; 46:W514-W522. [PMID: 29878180 PMCID: PMC6030925 DOI: 10.1093/nar/gky510] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 05/23/2018] [Indexed: 12/16/2022] Open
Abstract
Biological networks play increasingly important roles in omics data integration and systems biology. Over the past decade, many excellent tools have been developed to support creation, analysis and visualization of biological networks. However, important limitations remain: most tools are standalone programs, the majority of them focus on protein-protein interaction (PPI) or metabolic networks, and visualizations often suffer from 'hairball' effects when networks become large. To help address these limitations, we developed OmicsNet - a novel web-based tool that allows users to easily create different types of molecular interaction networks and visually explore them in a three-dimensional (3D) space. Users can upload one or multiple lists of molecules of interest (genes/proteins, microRNAs, transcription factors or metabolites) to create and merge different types of biological networks. The 3D network visualization system was implemented using the powerful Web Graphics Library (WebGL) technology that works natively in most major browsers. OmicsNet supports force-directed layout, multi-layered perspective layout, as well as spherical layout to help visualize and navigate complex networks. A rich set of functions have been implemented to allow users to perform coloring, shading, topology analysis, and enrichment analysis. OmicsNet is freely available at http://www.omicsnet.ca.
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Affiliation(s)
- Guangyan Zhou
- Institute of Parasitology, McGill University, Montreal, Quebec, Canada
| | - Jianguo Xia
- Institute of Parasitology, McGill University, Montreal, Quebec, Canada.,Department of Animal Science, McGill University, Montreal, Quebec, Canada
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13
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Surace AEA, Hedrich CM. The Role of Epigenetics in Autoimmune/Inflammatory Disease. Front Immunol 2019; 10:1525. [PMID: 31333659 PMCID: PMC6620790 DOI: 10.3389/fimmu.2019.01525] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/18/2019] [Indexed: 12/21/2022] Open
Abstract
Historically, systemic self-inflammatory conditions were classified as either autoinflammatory and caused by the innate immune system or autoimmune and driven by adaptive immune responses. However, it became clear that reality is much more complex and that autoimmune/inflammatory conditions range along an “inflammatory spectrum” with primarily autoinflammatory vs. autoimmune conditions resembling extremes at either end. Epigenetic modifications influence gene expression and alter cellular functions without modifying the genomic sequence. Methylation of CpG DNA dinucleotides and/or their hydroxymethylation, post-translational modifications to amino termini of histone proteins, and non-coding RNA expression are main epigenetic events. The pathophysiology of autoimmune/inflammatory diseases has been closely linked with disease causing gene mutations (rare) or a combination of genetic susceptibility and epigenetic modifications arising from exposure to the environment (more common). Over recent years, progress has been made in understanding molecular mechanisms involved in systemic inflammation and the contribution of innate and adaptive immune responses. Epigenetic events have been identified as (i) central pathophysiological factors in addition to genetic disease predisposition and (ii) as co-factors determining clinical pictures and outcomes in individuals with monogenic disease. Thus, a complete understanding of epigenetic contributors to autoimmune/inflammatory disease will result in approaches to predict individual disease outcomes and the introduction of effective, target-directed, and tolerable therapies. Here, we summarize recent findings that signify the importance of epigenetic modifications in autoimmune/inflammatory disorders along the inflammatory spectrum choosing three examples: the autoinflammatory bone condition chronic nonbacterial osteomyelitis (CNO), the “mixed pattern” disorder psoriasis, and the autoimmune disease systemic lupus erythematosus (SLE).
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Affiliation(s)
- Anna Elisa Andrea Surace
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom
| | - Christian M Hedrich
- Department of Women's and Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom.,Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, Liverpool, United Kingdom.,Pädiatrische Rheumatologie, Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus, TU Dresden, Dresden, Germany
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14
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Tietzel I, Quayle AJ, Carabeo RA. Alternatively Activated Macrophages Are Host Cells for Chlamydia trachomatis and Reverse Anti-chlamydial Classically Activated Macrophages. Front Microbiol 2019; 10:919. [PMID: 31134002 PMCID: PMC6524708 DOI: 10.3389/fmicb.2019.00919] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 04/11/2019] [Indexed: 12/12/2022] Open
Abstract
The obligate intracellular pathogen Chlamydia trachomatis (Ctr) is the causative agent of the most common form of sexually transmitted disease in the United States. Genital infections with C. trachomatis can lead to inflammatory tissue damage followed by scarring and tissue remodeling during wound healing. Extensive scarring can lead to ectopic pregnancy or infertility. Classically activated macrophages (CA mϕ), with their anti-microbial effector mechanisms, are known to be involved in acute inflammatory processes during the course of infection. In contrast, alternatively activated macrophages (AA mϕ) contribute to tissue repair at sites of wound healing, and have reduced bactericidal functions. They are present during infection, and thus potentially can provide a growth niche for C. trachomatis during a course of infection. To address this question, macrophages derived from CD14-positive monocytes magnetically isolated from peripheral blood mononuclear cells (PBMC) were treated with interferon-γ or interleukin-4 to produce CA mϕ or AA mϕ, respectively. Confocal microscopy of chlamydial inclusions and quantification of infectious yields revealed better pathogen growth and development in AA mϕ than CA mϕ, which correlated with the reduced expression of indoleamine 2,3-dioxygenase, a known anti-chlamydial effector of the host. Furthermore, AA mϕ stained strongly for transferrin receptor and secreted higher amounts of anti-inflammatory interleukin-10 compared to CA mϕ, characteristics that indicate its suitability as host to C. trachomatis. CA, AA, and resting mϕ were infected with Ctr serovar L2. The data suggest that IL-10 produced by infected AA mϕ attenuated the anti-chlamydial function of CA mϕ with growth recovery observed in infected CA mϕ in the presence of infected, but not mock-infected AA mϕ. This could be related to our observation that IL-10 treatment of infected CA mϕ promoted better chlamydial growth. Thus, in addition to serving as an additional niche, AA mϕ might also serve as a means to modulate the immediate environment by attenuating the anti-chlamydial functions of nearby CA mϕ in a manner that could involve IL-10 produced by infected AA mϕ.
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Affiliation(s)
- Illya Tietzel
- Department of Natural Sciences, Southern University at New Orleans, New Orleans, LA, United States
| | - Alison J Quayle
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center, New Orleans, LA, United States
| | - Rey A Carabeo
- School of Molecular Biosciences, Washington State University, Pullman, WA, United States
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15
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Abstract
Interleukin (IL)-10 is an essential anti-inflammatory cytokine that plays important roles as a negative regulator of immune responses to microbial antigens. Loss of IL-10 results in the spontaneous development of inflammatory bowel disease as a consequence of an excessive immune response to the gut microbiota. IL-10 also functions to prevent excessive inflammation during the course of infection. IL-10 can be produced in response to pro-inflammatory signals by virtually all immune cells, including T cells, B cells, macrophages, and dendritic cells. Given its function in maintaining the delicate balance between effective immunity and tissue protection, it is evident that IL-10 expression is highly dynamic and needs to be tightly regulated. The transcriptional regulation of IL-10 production in myeloid cells and T cells is the topic of this review. Drivers of IL-10 expression as well as their downstream signaling pathways and transcription factors will be discussed. We will examine in more detail how various signals in CD4+ T cells converge on common transcriptional circuits, which fine-tune IL-10 expression in a context-dependent manner.
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16
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Navarro-Barriuso J, Mansilla MJ, Martínez-Cáceres EM. Searching for the Transcriptomic Signature of Immune Tolerance Induction-Biomarkers of Safety and Functionality for Tolerogenic Dendritic Cells and Regulatory Macrophages. Front Immunol 2018; 9:2062. [PMID: 30298066 PMCID: PMC6160751 DOI: 10.3389/fimmu.2018.02062] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/21/2018] [Indexed: 12/12/2022] Open
Abstract
The last years have witnessed a breakthrough in the development of cell-based tolerance-inducing cell therapies for the treatment of autoimmune diseases and solid-organ transplantation. Indeed, the use of tolerogenic dendritic cells (tolDC) and regulatory macrophages (Mreg) is currently being tested in Phase I and Phase II clinical trials worldwide, with the aim of finding an effective therapy able to abrogate the inflammatory processes causing these pathologies without compromising the protective immunity of the patients. However, there exists a wide variety of different protocols to generate human tolDC and Mreg and, consequently, the characteristics of each product are heterogeneous. For this reason, the identification of biomarkers able to define their functionality (tolerogenicity) is of great relevance, on the one hand, to guarantee the safety of tolDC and Mreg before administration and, on the other hand, to compare the results between different cell products and laboratories. In this article, we perform an exhaustive review of protocols generating human tolDC and Mreg in the literature, aiming to elucidate if there are any common transcriptomic signature or potential biomarkers of tolerogenicity among the different approaches. However, and although several effectors seem to be induced in common in some of the most reported protocols to generate both tolDC or Mreg, the transcriptomic profile of these cellular products strongly varies depending on the approach used to generate them.
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Affiliation(s)
- Juan Navarro-Barriuso
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - María José Mansilla
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Eva M Martínez-Cáceres
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
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17
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Alhakeem SS, McKenna MK, Oben KZ, Noothi SK, Rivas JR, Hildebrandt GC, Fleischman RA, Rangnekar VM, Muthusamy N, Bondada S. Chronic Lymphocytic Leukemia-Derived IL-10 Suppresses Antitumor Immunity. THE JOURNAL OF IMMUNOLOGY 2018; 200:4180-4189. [PMID: 29712773 PMCID: PMC6555426 DOI: 10.4049/jimmunol.1800241] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 04/06/2018] [Indexed: 12/21/2022]
Abstract
Chronic lymphocytic leukemia (CLL) patients progressively develop an immunosuppressive state. CLL patients have more plasma IL-10, an anti-inflammatory cytokine, than healthy controls. In vitro human CLL cells produce IL-10 in response to BCR cross-linking. We used the transgenic Eμ-T cell leukemia oncogene-1 (TCL1) mouse CLL model to study the role of IL-10 in CLL associated immunosuppression. Eμ-TCL mice spontaneously develop CLL because of a B cell-specific expression of the oncogene, TCL1. Eμ-TCL1 mouse CLL cells constitutively produce IL-10, which is further enhanced by BCR cross-linking, CLL-derived IL-10 did not directly affect survival of murine or human CLL cells in vitro. We tested the hypothesis that the CLL-derived IL-10 has a critical role in CLL disease in part by suppressing the host immune response to the CLL cells. In IL-10R-/- mice, wherein the host immune cells are unresponsive to IL-10-mediated suppressive effects, there was a significant reduction in CLL cell growth compared with wild type mice. IL-10 reduced the generation of effector CD4 and CD8 T cells. We also found that activation of BCR signaling regulated the production of IL-10 by both murine and human CLL cells. We identified the transcription factor, Sp1, as a novel regulator of IL-10 production by CLL cells and that it is regulated by BCR signaling via the Syk/MAPK pathway. Our results suggest that incorporation of IL-10 blocking agents may enhance current therapeutic regimens for CLL by potentiating host antitumor immune response.
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Affiliation(s)
- Sara S Alhakeem
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536
| | - Mary K McKenna
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536
| | - Karine Z Oben
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536
| | - Sunil K Noothi
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536.,Department of Radiation Medicine, University of Kentucky, Lexington, KY 40536
| | - Jacqueline R Rivas
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536
| | - Gerhard C Hildebrandt
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536.,Division of Hematology, Blood, and Marrow Transplantation, University of Kentucky, Lexington, KY 40536
| | - Roger A Fleischman
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536.,Division of Hematology, Blood, and Marrow Transplantation, University of Kentucky, Lexington, KY 40536
| | - Vivek M Rangnekar
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536.,Markey Cancer Center, University of Kentucky, Lexington, KY 40536.,Department of Radiation Medicine, University of Kentucky, Lexington, KY 40536
| | - Natarajan Muthusamy
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210; and.,Department of Internal Medicine, The Ohio State University, Columbus, OH 43210
| | - Subbarao Bondada
- Department of Microbiology, Immunology, and Molecular Genetics, University of Kentucky, Lexington, KY 40536; .,Markey Cancer Center, University of Kentucky, Lexington, KY 40536
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18
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Palaga T, Wongchana W, Kueanjinda P. Notch Signaling in Macrophages in the Context of Cancer Immunity. Front Immunol 2018; 9:652. [PMID: 29686671 PMCID: PMC5900058 DOI: 10.3389/fimmu.2018.00652] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/16/2018] [Indexed: 12/14/2022] Open
Abstract
Macrophages play both tumor-suppressing and tumor-promoting roles depending on the microenvironment. Tumor-associated macrophages (TAMs) are often associated with poor prognosis in most, but not all cancer. Understanding how macrophages become TAMs and how TAMs interact with tumor cells and shape the outcome of cancer is one of the key areas of interest in cancer therapy research. Notch signaling is involved in macrophage activation and its effector functions. Notch signaling has been indicated to play roles in the regulation of macrophage activation in pro-inflammatory and wound-healing processes. Recent evidence points to the involvement of canonical Notch signaling in the differentiation of TAMs in a breast cancer model. On the other hand, hyperactivation of Notch signaling specifically in macrophages in tumors mass has been shown to suppress tumor growth in an animal model of cancer. Investigations into how Notch signaling is regulated in TAMs and translates into pro- or anti-tumor functions are still largely in their infancy. Therefore, in this review, we summarize the current understanding of the conflicting roles of Notch signaling in regulating the effector function of macrophages and the involvement of Notch signaling in TAM differentiation and function. Furthermore, how Notch signaling in TAMs affects the tumor microenvironment is reviewed. Finally, the direct or indirect cross-talk among TAMs, tumor cells and other cells in the tumor microenvironment via Notch signaling is discussed along with the possibility of its clinical application. Investigations into Notch signaling in macrophages may lead to a more effective way for immune intervention in the treatment of cancer in the future.
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Affiliation(s)
- Tanapat Palaga
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.,Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand
| | - Wipawee Wongchana
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand.,Institute of Biological Products, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand
| | - Patipark Kueanjinda
- Center of Excellence in Immunology and Immune-Mediated Diseases, Chulalongkorn University, Bangkok, Thailand.,Laboratory for Systems Pharmacology, Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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19
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Asensio-Juan E, Fueyo R, Pappa S, Iacobucci S, Badosa C, Lois S, Balada M, Bosch-Presegué L, Vaquero A, Gutiérrez S, Caelles C, Gallego C, de la Cruz X, Martínez-Balbás MA. The histone demethylase PHF8 is a molecular safeguard of the IFNγ response. Nucleic Acids Res 2017; 45:3800-3811. [PMID: 28100697 PMCID: PMC5397186 DOI: 10.1093/nar/gkw1346] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 01/12/2017] [Indexed: 11/14/2022] Open
Abstract
A precise immune response is essential for cellular homeostasis and animal survival. The paramount importance of its control is reflected by the fact that its non-specific activation leads to inflammatory events that ultimately contribute to the appearance of many chronic diseases. However, the molecular mechanisms preventing non-specific activation and allowing a quick response upon signal activation are not yet fully understood. In this paper we uncover a new function of PHF8 blocking signal independent activation of immune gene promoters. Affinity purifications coupled with mass spectrometry analysis identified SIN3A and HDAC1 corepressors as new PHF8 interacting partners. Further molecular analysis demonstrated that prior to interferon gamma (IFNγ) stimulation, PHF8 is bound to a subset of IFNγ-responsive promoters. Through the association with HDAC1 and SIN3A, PHF8 keeps the promoters in a silent state, maintaining low levels of H4K20me1. Upon IFNγ treatment, PHF8 is phosphorylated by ERK2 and evicted from the promoters, correlating with an increase in H4K20me1 and transcriptional activation. Our data strongly indicate that in addition to its well-characterized function as a coactivator, PHF8 safeguards transcription to allow an accurate immune response.
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Affiliation(s)
- Elena Asensio-Juan
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Raquel Fueyo
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Stella Pappa
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Simona Iacobucci
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Carmen Badosa
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Sergi Lois
- Vall d'Hebron Institute of Research (VHIR), Passeig de la Vall d'Hebron, 119, E-08035 Barcelona, Spain
| | - Miriam Balada
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Laia Bosch-Presegué
- Chromatin Biology Laboratory, Cancer Epigenetics and Biology Program (PEBC), Institut d?Investigació Biomèdica de Bellvitge (IDIBELL), 08907- L'Hospitalet de Llobregat, Barcelona, Spain
| | - Alex Vaquero
- Chromatin Biology Laboratory, Cancer Epigenetics and Biology Program (PEBC), Institut d?Investigació Biomèdica de Bellvitge (IDIBELL), 08907- L'Hospitalet de Llobregat, Barcelona, Spain
| | - Sara Gutiérrez
- Department of Cell Biology, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Carme Caelles
- Department of Biochemistry and Molecular Biology, School of Pharmacy, University of Barcelona, Barcelona 08028, Spain
| | - Carme Gallego
- Department of Cell Biology, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Xavier de la Cruz
- Vall d'Hebron Institute of Research (VHIR), Passeig de la Vall d'Hebron, 119, E-08035 Barcelona, Spain.,Institut Català per la Recerca i Estudis Avançats (ICREA), Barcelona 08018, Spain
| | - Marian A Martínez-Balbás
- Department of Molecular Genomics, Instituto de Biología Molecular de Barcelona (IBMB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
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20
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Wang Q, Lu Y, Li R, Jiang Y, Zheng Y, Qian J, Bi E, Zheng C, Hou J, Wang S, Yi Q. Therapeutic effects of CSF1R-blocking antibodies in multiple myeloma. Leukemia 2017. [PMID: 28626216 DOI: 10.1038/leu.2017.193] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Our previous studies showed that macrophages (MФs), especially myeloma-associated MФs (MAMs), induce chemoresistance in human myeloma. Here we explored the potential of targeting MФs, by using colony-stimulating factor 1 receptor (CSF1R)-blocking mAbs, to treat myeloma. Our results showed that CSF1R blockade specifically inhibited the differentiation, proliferation and survival of murine M2 MФs and MAMs, and repolarized MAMs towards M1-like MФs in vitro. CSF1R blockade alone inhibited myeloma growth in vivo, by partially depleting MAMs, polarizing MAMs to the M1 phenotype, and inducing a tumor-specific cytotoxic CD4+ T-cell response. Similarly, genetically depleting MФs in myeloma-bearing MMDTR mice retarded myeloma growth in vivo. Furthermore, the combination of CSF1R blockade and chemotherapy such as bortezomib or melphalan displayed an additive therapeutic efficacy against established myeloma. Finally, a fully human CSF1R blocking mAb, similar to its murine counterpart, was able to inhibit the differentiation, proliferation and survival of human MФs. Thus, this study provides the first direct in vivo evidence that MΦs and MAMs are indeed important for myeloma development and progression. Our results also suggest that targeting MAMs by CSF1R blocking mAbs may be promising methods to (re)sensitize myeloma cells to chemotherapy and promote anti-myeloma immune responses in patients.
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Affiliation(s)
- Q Wang
- Department of Cancer Immunology, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China.,Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Y Lu
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - R Li
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.,Department of Hematology, The MM and Lymphoma Center, Changzheng Hospital, The Second Military Medical University, Shanghai, China
| | - Y Jiang
- Department of Cancer Immunology, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Y Zheng
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.,Department of Hematology, and State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, West China Hospital, Chengdu, China
| | - J Qian
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - E Bi
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - C Zheng
- Department of Hematology, Second Hospital of Shandong University, Jinan, China
| | - J Hou
- Department of Hematology, The MM and Lymphoma Center, Changzheng Hospital, The Second Military Medical University, Shanghai, China
| | - S Wang
- Department of Cancer Immunology, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China
| | - Q Yi
- Department of Cancer Immunology, Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, China.,Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
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21
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Sahakian E, Chen J, Powers JJ, Chen X, Maharaj K, Deng SL, Achille AN, Lienlaf M, Wang HW, Cheng F, Sodré AL, Distler A, Xing L, Perez-Villarroel P, Wei S, Villagra A, Seto E, Sotomayor EM, Horna P, Pinilla-Ibarz J. Essential role for histone deacetylase 11 (HDAC11) in neutrophil biology. J Leukoc Biol 2017; 102:475-486. [PMID: 28550123 DOI: 10.1189/jlb.1a0415-176rrr] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 12/18/2022] Open
Abstract
Epigenetic changes in chromatin structure have been recently associated with the deregulated expression of critical genes in normal and malignant processes. HDAC11, the newest member of the HDAC family of enzymes, functions as a negative regulator of IL-10 expression in APCs, as previously described by our lab. However, at the present time, its role in other hematopoietic cells, specifically in neutrophils, has not been fully explored. In this report, for the first time, we present a novel physiologic role for HDAC11 as a multifaceted regulator of neutrophils. Thus far, we have been able to demonstrate a lineage-restricted overexpression of HDAC11 in neutrophils and committed neutrophil precursors (promyelocytes). Additionally, we show that HDAC11 appears to associate with the transcription machinery, possibly regulating the expression of inflammatory and migratory genes in neutrophils. Given the prevalence of neutrophils in the peripheral circulation and their central role in the first line of defense, our results highlight a unique and novel role for HDAC11. With the consideration of the emergence of new, selective HDAC11 inhibitors, we believe that our findings will have significant implications in a wide range of diseases spanning malignancies, autoimmunity, and inflammation.
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Affiliation(s)
- Eva Sahakian
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA; .,Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Jie Chen
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - John J Powers
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA.,Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Xianghong Chen
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Kamira Maharaj
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Susan L Deng
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Alex N Achille
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Maritza Lienlaf
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Hong Wei Wang
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Fengdong Cheng
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Andressa L Sodré
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Allison Distler
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Limin Xing
- Department of Hematology, General Hospital, Tianjin Medical University, Tianjin, People's Republic of China
| | | | - Sheng Wei
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Alejandro Villagra
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Ed Seto
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Eduardo M Sotomayor
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA.,Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Pedro Horna
- Department of Hematopathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA; and
| | - Javier Pinilla-Ibarz
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA; .,Department of Malignant Hematology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
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22
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Yu HR, Tsai CC, Chang LS, Huang HC, Cheng HH, Wang JY, Sheen JM, Kuo HC, Hsieh KS, Huang YH, Yang KD, Hsu TY. l-Arginine-Dependent Epigenetic Regulation of Interleukin-10, but Not Transforming Growth Factor-β, Production by Neonatal Regulatory T Lymphocytes. Front Immunol 2017; 8:487. [PMID: 28487700 PMCID: PMC5403834 DOI: 10.3389/fimmu.2017.00487] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 04/07/2017] [Indexed: 02/04/2023] Open
Abstract
A growing number of diseases in humans, including trauma, certain cancers, and infection, are known to be associated with l-arginine deficiency. In addition, l-arginine must be supplemented by diet during pregnancy to aid fetal development. In conditions of l-arginine depletion, T cell proliferation is impaired. We have previously shown that neonatal blood has lower l-arginine levels than adult blood, which is associated with poor neonatal lymphocyte proliferation, and that l-arginine enhances neonatal lymphocyte proliferation through an interleukin (IL)-2-independent pathway. In this study, we have further investigated how exogenous l-arginine enhances neonatal regulatory T-cells (Tregs) function in relation to IL-10 production under epigenetic regulation. Results showed that cord blood mononuclear cells (CBMCs) produced higher levels of IL-10 than adult peripheral blood mononuclear cells (PBMCs) by phytohemagglutinin stimulation but not by anti-CD3/anti-CD28 stimulation. Addition of exogenous l-arginine had no effect on transforming growth factor-β production by PBMCs or CBMCs, but enhanced IL-10 production by neonatal CD4+CD25+FoxP3+ Tregs. Further studies showed that IL-10 promoter DNA hypomethylation, rather than histone modification, corresponded to the l-arginine-induced increase in IL-10 production by neonatal CD4+ T cells. These results suggest that l-arginine modulates neonatal Tregs through the regulation of IL-10 promoter DNA methylation. l-arginine supplementation may correct the Treg function in newborns with l-arginine deficiency.
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Affiliation(s)
- Hong-Ren Yu
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ching-Chang Tsai
- Department of Obstetrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ling-Sai Chang
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Hsin-Chun Huang
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Hsin-Hsin Cheng
- Department of Obstetrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Jiu-Yao Wang
- Department of Pediatrics, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Allergy and Clinical Immunology Research (ACIR) Center, College of Medicine National Cheng Kung University, Tainan, Taiwan
| | - Jiunn-Ming Sheen
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ho-Chang Kuo
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Kai-Sheng Hsieh
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ying-Hsien Huang
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Kuender D Yang
- Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.,Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, Taiwan
| | - Te-Yao Hsu
- Department of Obstetrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, Chang Gung University College of Medicine, Taoyuan, Taiwan
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23
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Senba E, Kami K. A new aspect of chronic pain as a lifestyle-related disease. NEUROBIOLOGY OF PAIN 2017; 1:6-15. [PMID: 31194049 PMCID: PMC6550110 DOI: 10.1016/j.ynpai.2017.04.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 04/14/2017] [Indexed: 12/22/2022]
Abstract
Activation of mesolimbic dopamine system underlies exercise-induced hypoalgesia. Interaction between mesolimbic system and hypothalamus determines physical activity. Changing the lifestyle inactive to active may attenuate and prevent chronic pain.
Physical exercise has been established as a low-cost, safe, and effective way to manage chronic intractable pain. We investigated the underlying mechanisms of exercise-induced hypoalgesia (EIH) using a mouse model of neuropathic pain (NPP). Epigenetic changes in activated microglia and maintained GABA synthesis in the spinal dorsal horn may contribute to EIH. Voluntary exercise (VE), a strong reward for animals, also induced EIH, which may be due in part to the activation of dopamine (DA) neurons in the ventral tegmental area (VTA). VE increases the expression of pCREB in dopaminergic neurons in the VTA, which would enhance dopamine production, and thereby contributes to the activation of the mesolimbic reward system in NPP model mice. We demonstrated that neurons in the laterodorsal tegmental and pedunculopontine tegmental nuclei, a major input source of rewarding stimuli to the VTA, were activated by exercise. Chronic pain is at least partly attributed to sedentary and inactive lifestyle as indicated by the Fear-avoidance model. Therefore, chronic pain could be recognized as a lifestyle-related disease. Physical activity/inactivity may be determined by genetic/epigenetic and neural factors encoded in our brain. The hypothalamus and reward system is closely related in the axis of food intake, energy metabolism and physical activity. Understanding the interactions between the mesolimbic DA system and the hypothalamus that sense and regulate energy balance is thus of significant importance. For example, proopiomelanocortin neurons and melanocortin 4 receptors may play a role in connecting these two systems. Therefore, in a certain sense, chronic pain and obesity may share common behavioral and neural pathology, i.e. physical inactivity, as a result of inactivation of the mesolimbic DA system. Exercise and increasing physical activity in daily life may be important in treating and preventing chronic pain, a life-style related disease.
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Key Words
- CBP, chronic low back pain
- Chronic pain
- DA, dopamine
- Dopamine
- Exercise-induced hypoalgesia
- FM, fibromyalgia
- GABA, gamma-aminobutyric acid
- HDAC, histone deacetylase
- LDT, laterodorsal tegmental nucleus
- LH, lateral hypothalamus
- LHb, lateral habenula
- Laterodorsal tegmental nucleus
- NAc, nucleus accumbens
- NPP, neuropathic pain
- PPTg, pedunculopontine tegmental nucleus
- PSL, partial sciatic nerve ligation
- Physical activity/inactivity
- RMTg, rostromedial tegmental nucleus
- TH, tyrosine hydroxylase
- TMD, temporomandibular disorder
- VTA, ventral tegmental area
- VWR, voluntary wheel running
- Ventral tegmental area
- delta FosB, delta FBJ murine osteosarcoma viral
- mPFC, medial prefrontal cortex
- pCREB, phosphorylated cyclic AMP response element-binding protein
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Affiliation(s)
- Emiko Senba
- Department of Physical Therapy, Osaka Yukioka College of Health Science, 1-1-41 Sojiji, Ibaraki-City, Osaka 567-0801, Japan.,Department of Rehabilitation Medicine, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama 641-8509, Japan
| | - Katsuya Kami
- Department of Rehabilitation Medicine, Wakayama Medical University, 811-1 Kimiidera, Wakayama City, Wakayama 641-8509, Japan
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24
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Zhang Y, Wang Z, Xiao H, Liu X, Zhu G, Yu D, Han G, Chen G, Hou C, Ma N, Shen B, Li Y, Wang T, Wang R. Foxd3 suppresses interleukin-10 expression in B cells. Immunology 2017; 150:478-488. [PMID: 27995618 DOI: 10.1111/imm.12701] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Revised: 12/09/2016] [Accepted: 12/12/2016] [Indexed: 12/22/2022] Open
Abstract
Interleukin-10-positive (IL-10+ ) regulatory B (Breg) cells play an important role in restraining excessive inflammatory responses by secreting IL-10. However, it is still unclear what key transcription factors determine Breg cell differentiation. Hence, we explore what transcription factor plays a key role in the expression of IL-10, a pivotal cytokine in Breg cells. We used two types of web-based prediction software to predict transcription factors binding the IL-10 promoter and found that IL-10 promoter had many binding sites for Foxd3. Chromatin immunoprecipitation PCR assay demonstrated that Foxd3 directly binds the predicted binding sites around the start codon upstream by -1400 bp. Further, we found that Foxd3 suppressed the activation of IL-10 promoter by using an IL-10 promoter report system. Finally, knocking out Foxd3 effectively promotes Breg cell production by up-regulating IL-10 expression. Conversely, up-regulated Foxd3 expression was negatively associated with IL-10+ Breg cells in lupus-prone MRL/lpr mice. Hence, our data suggest that Foxd3 suppresses the production of IL-10+ Breg cells by directly binding the IL-10 promoter. This study demonstrates the mechanism for Breg cell production and its application to the treatment of autoimmune diseases by regulating Foxd3 expression.
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Affiliation(s)
- Yu Zhang
- College of Pharmacy, Henan University, Kaifeng, China.,Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Zhiding Wang
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China.,Department of Biomedicine, Institute of Frontier Medical Sciences, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - He Xiao
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Xiaoling Liu
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China.,Department of Nephrology, The 307th Hospital of Chinese People's Liberation Army, Beijing, China
| | - Gaizhi Zhu
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China.,Laboratory of Cellular and Molecular Immunology, Henan University, Kaifeng, Henan, China
| | - Dandan Yu
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Gencheng Han
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Guojiang Chen
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Chunmei Hou
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Ning Ma
- Department of Rheumatology, First Hospital of Jilin University, Changchun, China
| | - Beifen Shen
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Yan Li
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
| | - Tianxiao Wang
- College of Pharmacy, Henan University, Kaifeng, China
| | - Renxi Wang
- Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China
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25
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Zinc Modulates Endotoxin-Induced Human Macrophage Inflammation through ZIP8 Induction and C/EBPβ Inhibition. PLoS One 2017; 12:e0169531. [PMID: 28056086 PMCID: PMC5215883 DOI: 10.1371/journal.pone.0169531] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 12/19/2016] [Indexed: 12/31/2022] Open
Abstract
Two vital functions of the innate immune system are to initiate inflammation and redistribute micronutrients in favor of the host. Zinc is an essential micronutrient used in host defense. The zinc importer ZIP8 is uniquely induced through stimulation of the NF-κB pathway by LPS in monocytes and functions to regulate inflammation in a zinc-dependent manner. Herein we determined the impact of zinc metabolism following LPS-induced inflammation in human macrophages. We observed that ZIP8 is constitutively expressed in resting macrophages and strikingly elevated following LPS exposure, a response that is unique compared to the 13 other known zinc import proteins. During LPS exposure, extracellular zinc concentrations within the physiological range markedly reduced IL-10 mRNA expression and protein release but increased mRNA expression of TNFα, IL-8, and IL-6. ZIP8 knockdown inhibited LPS-driven cellular accumulation of zinc and prevented zinc-dependent reduction of IL-10 release. Further, zinc supplementation reduced nuclear localization and activity of C/EBPβ, a transcription factor known to drive IL-10 expression. These studies demonstrate for the first time that zinc regulates LPS-mediated immune activation of human macrophages in a ZIP8-dependent manner, reducing IL-10. Based on these findings we predict that macrophage zinc metabolism is important in host defense against pathogens.
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26
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Polymorphisms in cytokine genes as prognostic markers in diffuse large B cell lymphoma patients treated with (R)-CHOP. Ann Hematol 2016; 96:227-235. [DOI: 10.1007/s00277-016-2857-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Accepted: 10/11/2016] [Indexed: 11/25/2022]
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27
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Kami K, Tajima F, Senba E. Exercise-induced hypoalgesia: potential mechanisms in animal models of neuropathic pain. Anat Sci Int 2016; 92:79-90. [DOI: 10.1007/s12565-016-0360-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 07/21/2016] [Indexed: 02/02/2023]
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28
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Chavez-Valdez R, Ahlawat R, Wills-Karp M, Gauda EB. Mechanisms of modulation of cytokine release by human cord blood monocytes exposed to high concentrations of caffeine. Pediatr Res 2016; 80:101-9. [PMID: 26982450 PMCID: PMC4929021 DOI: 10.1038/pr.2016.50] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Accepted: 12/23/2015] [Indexed: 01/12/2023]
Abstract
BACKGROUND Serum caffeine concentrations >20 μg/ml (100 μmol/l) in infants treated for apnea of prematurity increases TNF-α and decreases IL-10, changes that perhaps are linked to comorbidities. We hypothesize that this proinflammatory cytokine profile may be linked to differential binding of caffeine to adenosine receptor subtypes (AR), inhibition of phosphodiesterases (PDEs), and modulation of toll-like receptors (TLR). METHODS Lipopolysaccharide-activated cord blood monocytes (CBM) from 19 infants were exposed to caffeine (0-200 μmol/l) with or without previous exposure to A1R, A3R, or PDE IV antagonists to determine changes in dose-response curves. Cytokines levels (enzyme-linked immunosorbent assay (ELISA)), intracellular cyclic adenosine monophosphate (cAMP) accumulation (enzyme immunoassay (EIA)), and TLR gene expression (real time qRT PCR) were measured. RESULTS Caffeine at ≤100 μmol/l decreased TNF-α levels (~25%, P = 0.01) and cAMP. All caffeine concentrations decreased IL-10 levels (17-35%, P < 0.01). A1R, A3R, and PDE blockades decreased TNF-α (31, 21, and 88%, P ≤ 0.01), but not IL-10. Caffeine further decreased TNF-α following A3R and PDE blockades. Caffeine concentrations directly correlated to TLR4 gene expression (r = 0.84; P < 0.001). CONCLUSION Neither A3R, nor PDE blockades are involved in caffeine's modulation of cytokine release by CBM at any concentration. Besides A1R blockade, caffeine's upregulation of TLR4 may promote inflammation at high concentrations.
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Affiliation(s)
- Raul Chavez-Valdez
- Department of Pediatrics, Division of Neonatology. Johns Hopkins Hospital. Johns Hopkins University - School of Medicine. Baltimore, Maryland 21287, United States,CORRESPONDING AUTHOR: Dr. Raul Chavez-Valdez, Department of Pediatrics - Division of Neonatology, Johns Hopkins Hospital, 600 N. Wolfe Street, CMSC 6-104, Baltimore, MD 21287-3200, United States. Telephone: +1 410-955 5259; Fax: +1 410 614 8388;
| | - Rajni Ahlawat
- Department of Pediatrics, Division of Pediatric Gastroenterology. North Shore LIJ Health System. Lake Success, NY 11042, United States
| | - Marsha Wills-Karp
- Department of Environmental Health Sciences. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205
| | - Estelle B. Gauda
- Department of Pediatrics, Division of Neonatology. Johns Hopkins Hospital. Johns Hopkins University - School of Medicine. Baltimore, Maryland 21287, United States
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29
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Abstract
TonEBP is a key transcriptional activator of M1 phenotype in macrophage, and its high expression is associated with many inflammatory diseases. During the progression of the inflammatory responses, the M1 to M2 phenotypic switch enables the dual role of macrophages in controlling the initiation and resolution of inflammation. Here we report that in human and mouse M1 macrophages TonEBP suppresses IL-10 expression and M2 phenotype. TonEBP knockdown promoted the transcription of the IL-10 gene by enhancing chromatin accessibility and Sp1 recruitment to its promoter. The enhanced expression of M2 genes by TonEBP knockdown was abrogated by antagonism of IL-10 by either neutralizing antibodies or siRNA-mediated silencing. In addition, pharmacological suppression of TonEBP leads to similar upregulation of IL-10 and M2 genes. Thus, TonEBP suppresses M2 phenotype via downregulation of the IL-10 in M1 macrophages.
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30
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Kami K, Taguchi S, Tajima F, Senba E. Histone Acetylation in Microglia Contributes to Exercise-Induced Hypoalgesia in Neuropathic Pain Model Mice. THE JOURNAL OF PAIN 2016; 17:588-99. [PMID: 26844418 DOI: 10.1016/j.jpain.2016.01.471] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 12/20/2015] [Accepted: 01/11/2016] [Indexed: 02/06/2023]
Abstract
UNLABELLED Physical exercise can attenuate neuropathic pain (NPP), but the exact mechanism underlying exercise-induced hypoalgesia (EIH) remains unclear. Recent studies have shown that histone hyperacetylation via pharmacological inhibition of histone deacetylases in the spinal cord attenuates NPP, and that histone acetylation may lead to the production of analgesic factors including interleukin 10. We intended to clarify whether histone acetylation in microglia in the spinal dorsal horn contributes to EIH in NPP model mice. C57BL/6J mice underwent partial sciatic nerve ligation (PSL) and PSL- and sham-runner mice ran on a treadmill at a speed of 7 m/min for 60 min/d, 5 days per week, from 2 days after the surgery. PSL-sedentary mice developed mechanical allodynia and heat hyperalgesia, but such behaviors were significantly attenuated in PSL-runner mice. In immunofluorescence analysis, PSL surgery markedly increased the number of histone deacetylase 1-positive/CD11b-positive microglia in the ipsilateral superficial dorsal horn, and they were significantly decreased by treadmill-running. Moreover, the number of microglia with nuclear expression of acetylated H3K9 in the ipsilateral superficial dorsal horn was maintained at low levels in PSL-sedentary mice, but running exercise significantly increased them. Therefore, we conclude that the epigenetic modification that causes hyperacetylation of H3K9 in activated microglia may play a role in producing EIH. PERSPECTIVE This article presents the importance of epigenetic modification in microglia in producing EIH. The current research is not only helpful for developing novel nonpharmacological therapy for NPP, but will also enhance our understanding of the mechanisms and availability of exercise in our daily life.
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Affiliation(s)
- Katsuya Kami
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan.
| | - Satoru Taguchi
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan
| | - Fumihiro Tajima
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan
| | - Emiko Senba
- Department of Rehabilitation Medicine, Wakayama Medical University, Wakayama, Japan; Department of Physical Therapy, Osaka Yukioka College of Health Science, Osaka, Japan
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31
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Fang Y, Wu C, Chen Q, Wu J, Yang Y, Guo X, Chen G, Wang Z. SjE16.7 activates macrophages and promotes Schistosoma japonicum egg-induced granuloma development. Acta Trop 2015; 149:49-58. [PMID: 25997882 DOI: 10.1016/j.actatropica.2015.05.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 05/11/2015] [Accepted: 05/16/2015] [Indexed: 12/13/2022]
Abstract
SjE16.7 is an egg-specific protein from Schistosoma japonicum that recruits neutrophils and initiates an inflammatory granuloma response in host tissue. However, since macrophages are known to be important regulators of egg granuloma formation we investigated the effect of SjE16.7 on this cell type. Here we report that SjE16.7 is a potent macrophage activator, inducing macrophage chemotaxis and stimulating cytokine production. Treatment of murine primary macrophages with SjE16.7 resulted in upregulation of both pro- and anti-inflammatory cytokines (IL-10, IL-12, IL-6 and TNF-α), as well as phosphorylation of mitogen-activated protein kinases (MAPKs). Moreover, SjE16.7 treatment increased MHC Class II expression on the surface of macrophages. Importantly, in vivo blockade of SjE16.7 significantly reduced egg-induced pathology, as a result of decreased leucocyte infiltration and reduced granuloma size. Our results suggest that SjE16.7 is an important pathogenic factor and a potential treatment target for this disease.
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Affiliation(s)
- Yan Fang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chenyun Wu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Chen
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianhua Wu
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yang Yang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaokui Guo
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guangjie Chen
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zhaojun Wang
- Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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32
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Doesch AO, Zhao L, Gleissner CA, Akhavanpoor M, Rohde D, Okuyucu D, Hakimi M, Dengler TJ, Katus HA, Erbel C. Inhibition of B7-1 (CD80) by RhuDex® reduces lipopolysaccharide-mediated inflammation in human atherosclerotic lesions. DRUG DESIGN DEVELOPMENT AND THERAPY 2014; 8:447-57. [PMID: 24872677 PMCID: PMC4026407 DOI: 10.2147/dddt.s59594] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Background Atherosclerosis is based on a chronic inflammatory process including the innate and adaptive immune response. Costimulatory molecules and their receptors provide decisive signals for antigen-specific cell activation. The contribution of B7-related pathways to atherosclerosis has hardly been explored. Methods In the present study, we investigated the contribution of B7-1 to inflammation and tissue injury in the human plaque microenvironment in order to identify possible target structures of future therapeutic agents ex vivo and in vitro. Results Carotid artery plaque stimulation with lipopolysaccharides (LPS) could be significantly inhibited by RhuDex®, a specific inhibitor of the costimulatory molecule B7-1 ex vivo (P<0.001). Coculture of antigen-presenting cells with T-cells demonstrated that the inhibitory effects of RhuDex® derived from reduced T-cell activation. In addition, incubation of monocytes/macrophages with LPS and RhuDex® resulted in an inhibitory negative feedback on antigen-presenting cells. Signaling pathways affected by RhuDex® seem to be nuclear transcription factor kappa B, activator protein-1, and extracellular signal-regulated kinase 1/2. Conclusion The present data support B7-1 alone as an important costimulatory molecule in the context of LPS-mediated inflammation in atherosclerotic lesions. Due to its marked inhibitory effects, RhuDex® may be a useful therapy to modulate the inflammatory milieu in atherosclerosis.
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Affiliation(s)
| | - Li Zhao
- Department of Cardiology, University of Heidelberg, Germany
| | | | | | - David Rohde
- Department of Cardiology, University of Heidelberg, Germany
| | - Deniz Okuyucu
- Department of Cardiology, University of Heidelberg, Germany
| | - Maani Hakimi
- Department of Vascular Surgery, University of Heidelberg, Germany
| | - Thomas J Dengler
- Department of Cardiology, SLK Hospital Heilbronn, Bad Friedrichshall, Germany
| | - Hugo A Katus
- Department of Cardiology, University of Heidelberg, Germany
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Cheng F, Lienlaf M, Perez-Villarroel P, Wang HW, Lee C, Woan K, Woods D, Knox T, Bergman J, Pinilla-Ibarz J, Kozikowski A, Seto E, Sotomayor EM, Villagra A. Divergent roles of histone deacetylase 6 (HDAC6) and histone deacetylase 11 (HDAC11) on the transcriptional regulation of IL10 in antigen presenting cells. Mol Immunol 2014; 60:44-53. [PMID: 24747960 DOI: 10.1016/j.molimm.2014.02.019] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 02/17/2014] [Accepted: 02/25/2014] [Indexed: 11/29/2022]
Abstract
The anti-inflammatory cytokine IL-10 is a key modulator of immune responses. A better understanding of the regulation of this cytokine offers the possibility of tipping the balance of the immune response toward either tolerance, or enhanced immune responses. Histone deacetylases (HDACs) have been widely described as negative regulators of transcriptional regulation, and in this context, the primarily nuclear protein HDAC11 was shown to repress il-10 gene transcriptional activity in antigen-presenting cells (APCs). Here we report that another HDAC, HDAC6, primarily a cytoplasmic protein, associates with HDAC11 and modulates the expression of IL-10 as a transcriptional activator. To our knowledge, this is the first demonstration of two different HDACs being recruited to the same gene promoter to dictate divergent transcriptional responses. This dynamic interaction results in dynamic changes in the expression of IL-10 and might help to explain the intrinsic plasticity of the APC to determine T-cell activation versus T-cell tolerance.
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Affiliation(s)
- Fengdong Cheng
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | - Maritza Lienlaf
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | | | - Hong-Wei Wang
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | - Calvin Lee
- All Children's Research Institute, All Children's Hospital-Johns Hopkins Medicine, St. Petersburg, FL.,Division of Pediatric Oncology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Karrune Woan
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | - David Woods
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | - Tessa Knox
- Departments of Immunology and Malignant Hematology, Tampa, FL
| | - Joel Bergman
- Drug Discovery Program Department of Medicinal Chemistry and Pharmacognosy, University of Illinois, Chicago, IL
| | | | - Alan Kozikowski
- Drug Discovery Program Department of Medicinal Chemistry and Pharmacognosy, University of Illinois, Chicago, IL
| | - Edward Seto
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL
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Shoji T, Higuchi H, Nishijima KI, Iijima S. Effects of Siglec on the expression of IL-10 in the macrophage cell line RAW264. Cytotechnology 2014; 67:633-9. [PMID: 24715531 DOI: 10.1007/s10616-014-9717-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 03/20/2014] [Indexed: 11/24/2022] Open
Abstract
Interleukin-10 (IL-10) expression was significantly elevated upon stimulation with lipopolysaccharide (LPS) when the sialic acid-recognizing Ig-superfamily lectin Siglec-5 or -9 was overexpressed in RAW264 cells. During the course to clarify the mechanism for this activation, we found that IL-10 promoter proximal region up to -500 bp led to transactivation similar to that up to -1,500 bp. Among the transcription factors that activate the mouse IL-10 promoter so far reported, the level of C/EBPβ was increased in Siglec-9-expressing cells. Transient expression of the C/EBPβ major isoform LAP led to an increase in the expression of IL-10 in Siglec-9-expressing cells, but not in mock-transfected control RAW264 cells upon stimulation with LPS, as assessed by either a luciferase assay or the production of IL-10. Without LPS, the IL-10 promoter was activated by transiently expressed LAP in Siglec-9-expressing cells, however, the magnitude of transactivation was less than that with the LPS stimulation. The knockdown of C/EBPβ down-regulated the production of IL-10. Taken together, these results suggest that one of the reasons for the stimulation of IL-10 expression in Siglec-9-expressing cells may be an increase in intracellular C/EBPβ level.
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Affiliation(s)
- Toru Shoji
- Department of Biotechnology, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
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35
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Yao Z, Zhang Q, Li X, Zhao D, Liu Y, Zhao K, Liu Y, Wang C, Jiang M, Li N, Cao X. Death domain-associated protein 6 (Daxx) selectively represses IL-6 transcription through histone deacetylase 1 (HDAC1)-mediated histone deacetylation in macrophages. J Biol Chem 2014; 289:9372-9. [PMID: 24550390 DOI: 10.1074/jbc.m113.533992] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
As a multifunctional nuclear protein, death domain-associated protein 6 (Daxx) regulates a wide range of biological processes, including cell apoptosis and gene transcription. However, the function of Daxx in innate immunity remains unclear. In our study, we show that Daxx is highly expressed in macrophages and localized in nucleus of macrophages. The expression of Daxx is significantly up-regulated by stimulation with TLR ligands LPS and poly(I:C). Silence of Daxx selectively represses IL-6 expression at transcription level in LPS-activated macrophages. Upon stimulation of LPS, Daxx specifically binds to the promoter of IL-6 and inhibits histone acetylation at IL-6 promoter region. Further mechanism analyses show that histone deacetylase 1 (HDAC1) interacts with Daxx and binds to the promoter of IL-6. Daxx silencing decreases the association of HDAC1 to IL-6 promoter. Therefore, our data reveal that Daxx selectively represses IL-6 transcription through HDAC1-mediated histone deacetylation in LPS-induced macrophages, acting as a negative regulator of IL-6 during innate immunity and potentially preventing inflammatory response because of overproduction of IL-6.
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Affiliation(s)
- Zhenyu Yao
- From the National Key Laboratory of Medical Molecular Biology and Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing 100005
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36
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FOREIGN BODY RESPONSE WITHIN POSTOPERATIVE PERFLUORO-N-OCTANE FOR RETINAL DETACHMENT REPAIR. Retina 2014; 34:237-46. [DOI: 10.1097/iae.0b013e31829d002e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Maher K, Završnik J, Jerič-Kokelj B, Vasiljeva O, Turk B, Kopitar-Jerala N. Decreased IL-10 expression in stefin B-deficient macrophages is regulated by the MAP kinase and STAT-3 signaling pathways. FEBS Lett 2014; 588:720-6. [DOI: 10.1016/j.febslet.2014.01.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 01/07/2014] [Accepted: 01/08/2014] [Indexed: 11/25/2022]
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Gabryšová L, Howes A, Saraiva M, O'Garra A. The regulation of IL-10 expression. Curr Top Microbiol Immunol 2014; 380:157-90. [PMID: 25004818 DOI: 10.1007/978-3-662-43492-5_8] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Interleukin (IL)-10 is an important immunoregulatory cytokine and an understanding of how IL-10 expression is controlled is critical in the design of immune intervention strategies. IL-10 is produced by almost all cell types within the innate (including macrophages, monocytes, dendritic cells (DCs), mast cells, neutrophils, eosinophils and natural killer cells) and adaptive (including CD4(+) T cells, CD8(+) T cells and B cells) immune systems. The mechanisms of IL-10 regulation operate at several stages including chromatin remodelling at the Il10 locus, transcriptional regulation of Il10 expression and post-transcriptional regulation of Il10 mRNA. In addition, whereas some aspects of Il10 gene regulation are conserved between different immune cell types, several are cell type- or stimulus-specific. Here, we outline the complexity of IL-10 production by discussing what is known about its regulation in macrophages, monocytes, DCs and CD4(+) T helper cells.
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Affiliation(s)
- Leona Gabryšová
- Division of Immunoregulation, MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London, NW7 1AA, UK
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39
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Epigenetic control of cytokine gene expression: regulation of the TNF/LT locus and T helper cell differentiation. Adv Immunol 2013; 118:37-128. [PMID: 23683942 DOI: 10.1016/b978-0-12-407708-9.00002-9] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Epigenetics encompasses transient and heritable modifications to DNA and nucleosomes in the native chromatin context. For example, enzymatic addition of chemical moieties to the N-terminal "tails" of histones, particularly acetylation and methylation of lysine residues in the histone tails of H3 and H4, plays a key role in regulation of gene transcription. The modified histones, which are physically associated with gene regulatory regions that typically occur within conserved noncoding sequences, play a functional role in active, poised, or repressed gene transcription. The "histone code" defined by these modifications, along with the chromatin-binding acetylases, deacetylases, methylases, demethylases, and other enzymes that direct modifications resulting in specific patterns of histone modification, shows considerable evolutionary conservation from yeast to humans. Direct modifications at the DNA level, such as cytosine methylation at CpG motifs that represses promoter activity, are another highly conserved epigenetic mechanism of gene regulation. Furthermore, epigenetic modifications at the nucleosome or DNA level can also be coupled with higher-order intra- or interchromosomal interactions that influence the location of regulatory elements and that can place them in an environment of specific nucleoprotein complexes associated with transcription. In the mammalian immune system, epigenetic gene regulation is a crucial mechanism for a range of physiological processes, including the innate host immune response to pathogens and T cell differentiation driven by specific patterns of cytokine gene expression. Here, we will review current findings regarding epigenetic regulation of cytokine genes important in innate and/or adaptive immune responses, with a special focus upon the tumor necrosis factor/lymphotoxin locus and cytokine-driven CD4+ T cell differentiation into the Th1, Th2, and Th17 lineages.
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40
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TLR stimulation initiates a CD39-based autoregulatory mechanism that limits macrophage inflammatory responses. Blood 2013; 122:1935-45. [PMID: 23908469 DOI: 10.1182/blood-2013-04-496216] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Sepsis is a highly fatal disease caused by an initial hyperinflammatory response followed by a state of profound immunosuppression. Although it is well appreciated that the initial production of proinflammatory cytokines by macrophages accompanies the onset of sepsis, it remains unclear what causes the transition to an immunosuppressive state. In this study, we reveal that macrophages themselves are key regulators of this transition and that the surface enzyme CD39 plays a critical role in self-limiting the activation process. We demonstrate that Toll-like receptor (TLR)-stimulated macrophages modulate their activation state by increasing the synthesis and secretion of adenosine triphosphate (ATP). This endogenous ATP is paradoxically immunosuppressive due to its rapid catabolism into adenosine by CD39. Macrophages lacking CD39 are unable to transition to a regulatory state and consequently continue to produce inflammatory cytokines. The importance of this transition is demonstrated in a mouse model of sepsis, where small numbers of CD39-deficient macrophages were sufficient to induce lethal endotoxic shock. Thus, these data implicate CD39 as a key "molecular switch" that allows macrophages to self-limit their activation state. We propose that therapeutics targeting the release and hydrolysis of ATP by macrophages may represent new ways to treat inflammatory diseases.
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41
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Xu C, Xie D, Yu SC, Yang XJ, He LR, Yang J, Ping YF, Wang B, Yang L, Xu SL, Cui W, Wang QL, Fu WJ, Liu Q, Qian C, Cui YH, Rich JN, Kung HF, Zhang X, Bian XW. β-Catenin/POU5F1/SOX2 transcription factor complex mediates IGF-I receptor signaling and predicts poor prognosis in lung adenocarcinoma. Cancer Res 2013; 73:3181-9. [PMID: 23539445 DOI: 10.1158/0008-5472.can-12-4403] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cancer stem-like cells (CSLC) are crucial in tumor initiation and progression; however, the underlying mechanism for the self-renewal of cancer cells remains undefined. In the study, immunohistochemical analysis of specimens freshly excised from patients with lung adenocarcinoma showed that high expression of insulin-like growth factor I receptor (IGF-IR) in lung adenocarcinoma cells was positively correlated with the expressions of cancer stem cell markers CD133 and aldehyde dehydrogenase 1 family member A1 (ALDH1A1). IGF-IR activation enhanced POU class 5 homeobox 1 (POU5F1) expression on human lung adenocarcinoma stem-like cells (LACSLC) through PI3K/AKT/GSK3β/β-catenin cascade. POU5F1 could form a novel complex with β-catenin and SOX2 to bind Nanog promoter for transcription to maintain self-renewal of LACSLCs, which was dependent on the functional IGF-IR. Genetic and pharmacologic inhibition of IGF-IR abrogated LACSLC capabilities for self-renewal and tumorigenicity in vitro. In an in vivo xenograft tumor model, knockdown of either IGF-IR or POU5F1 impeded tumorigenic potentials of LACSLCs. By analyzing pathologic specimens excised from 200 patients with lung adenocarcinoma, we found that colocalization of highly expressed IGF-IR with β-catenin and POU5F1 predicted poor prognosis. Taken together, we show that IGF-IR-mediated POU5F1 expression to form a complex with β-catenin and SOX2 is crucial for the self-renewal and oncogenic potentials of LACSLCs, and the integrative clinical detection of the expressions of IGF-IR, β-catenin, and POU5F1 is indicatory for predicting prognosis in the patients of lung adenocarcinoma.
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Affiliation(s)
- Chuan Xu
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, and Key Laboratory of Tumor Immunopathology, Ministry of Education of China, Chongqing, China
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42
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Hofmann SR, Morbach H, Schwarz T, Rösen-Wolff A, Girschick HJ, Hedrich CM. Attenuated TLR4/MAPK signaling in monocytes from patients with CRMO results in impaired IL-10 expression. Clin Immunol 2012; 145:69-76. [PMID: 22940633 DOI: 10.1016/j.clim.2012.07.012] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Revised: 07/24/2012] [Accepted: 07/25/2012] [Indexed: 01/18/2023]
Abstract
Chronic recurrent multifocal osteomyelitis (CRMO) is an autoinflammatory bone disorder of unknown origin. We previously demonstrated that monocytes from CRMO patients fail to express the immune-modulatory cytokine interleukin-10 (IL-10) in a chromatin dependent manner. Here, we demonstrate that attenuated extracellular-signal regulated kinase (ERK)1 and 2 signaling in response to TLR4 activation results in failure to induce IL-10 expression in monocytes from CRMO patients. Attenuated ERK1/2 activation results in 1) reduced levels of Sp-1, a transcription factor that induces IL-10 expression in monocytes, and 2) impaired H3S10 phosphorylation of the IL10 promoter, an activating epigenetic mark. The pro-inflammatory cytokines tumor necrosis factor (TNF)α and IL-6 are not negatively affected, resulting in an imbalance towards pro-inflammatory cytokines. Thus, impaired ERK1/2 signaling with subsequently reduced Sp-1 expression and H3S10 phosphorylation of the IL10 promoter may centrally contribute to the pathophysiology of CRMO.
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Affiliation(s)
- Sigrun R Hofmann
- Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 74, D-01307 Dresden, Germany
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43
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Update: Cytokine Dysregulation in Chronic Nonbacterial Osteomyelitis (CNO). Int J Rheumatol 2012; 2012:310206. [PMID: 22685464 PMCID: PMC3364585 DOI: 10.1155/2012/310206] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2012] [Accepted: 03/22/2012] [Indexed: 12/15/2022] Open
Abstract
Chronic nonbacterial osteomyelitis (CNO) with its most severe form chronic recurrent multifocal osteomyelitis (CRMO) is a non-bacterial osteitis of yet unknown origin. Secondary to the absence of both high-titer autoantibodies and autoreactive T lymphocytes, and the association with other autoimmune diseases, it was recently reclassified as an autoinflammatory disorder of the musculoskeletal system. Since its etiology is largely unknown, the diagnosis is based on clinical criteria, and treatment is empiric and not always successful. In this paper, we summarize recent advances in the understanding of possible etiopathogenetic mechanisms in CNO.
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44
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Iyer SS, Cheng G. Role of interleukin 10 transcriptional regulation in inflammation and autoimmune disease. Crit Rev Immunol 2012; 32:23-63. [PMID: 22428854 DOI: 10.1615/critrevimmunol.v32.i1.30] [Citation(s) in RCA: 878] [Impact Index Per Article: 73.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Interleukin 10 (IL-10) is a cytokine with potent anti-inflammatory properties that plays a central role in limiting host immune response to pathogens, thereby preventing damage to the host and maintaining normal tissue homeostasis. Dysregulation of IL-10 is associated with enhanced immunopathology in response to infection as well as increased risk for development of many autoimmune diseases. Thus a fundamental understanding of IL-10 gene expression is critical for our comprehension of disease progression and resolution of host inflammatory response. In this review, we discuss modes of regulation of IL-10 gene expression in immune effector cell types, including signal transduction, epigenetics, promoter architecture, and post-transcriptional regulation, and how aberrant regulation contributes to immunopathology and disease progression.
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45
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Larsson L, Thorbert-Mros S, Rymo L, Berglundh T. Influence of epigenetic modifications of the interleukin-10 promoter on IL10 gene expression. Eur J Oral Sci 2012; 120:14-20. [DOI: 10.1111/j.1600-0722.2011.00917.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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46
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Advantages of promoting interleukin-10 by silence of histone deacetylase 11 in inducing tolerance in orthotopic liver transplantation in rats. Transplant Proc 2012; 43:2728-32. [PMID: 21911153 DOI: 10.1016/j.transproceed.2011.05.044] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 03/03/2011] [Accepted: 05/02/2011] [Indexed: 11/20/2022]
Abstract
AIMS The aims of this study were to study the role of histone deacetylase 11 (HDAC11) in tolerance induction in orthotopic liver transplantation (OLT) in rats and to assess the advantages of gene therapy over the immunosuppressant FK506. METHODS Recipients were assigned to an acute rejection group (AcR; group I), an FK506 intervention group (group II), and a tolerance group (group III). Acute rejection (AcR) was graded by the Banff scheme and we examined postoperative survival. The messenger RNA (mRNA) and protein expressions of histone deacetylase 11 (HDAC11) and interleukin (IL) 10 in liver tissue were detected using real-time polymerase chain reaction (PCR) and Western blots, respectively. Plasma levels of tumor necrosis factor (TNF)-α, IL-2, and IL-10 were measured using enzyme-linked immunosorbent Assays. RESULTS Group I displayed severe, Group II had less, and Group III had no evidence of AR. The survivals among Group III were longer than those in Group I and Group II. IL-10 expression was promoted by HDAC11-shRNA at 7 days after OLT. Serum IL-2 and TNF-α levels were significantly lower among Group III compared with Groups I and II, whereas IL-10 showed the opposite result. CONCLUSIONS Silence of HDAC11 promotes IL-10 expression and leads to tolerance following OLT in rats. Thus HDAC11 is a promising target for gene therapy to induce tolerance with advantages over immunosuppressive drugs.
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47
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Abstract
Macrophages exhibit remarkable plasticity and can change their phenotype in response to different environmental cues. They can become activated to kill intracellular microbes or they can assume regulatory properties to modulate immune responses. Regulatory macrophages are fundamentally different from classically activated, and we propose from non-classically activated macrophages; they arise in response to different stimuli and perform different physiological functions. They are likely to express unique biochemical markers that could be exploited to identify and potentially target these macrophage subsets in tissue. Furthermore, inducers of regulatory macrophages may have the potential to be used as anti-inflammatory therapeutics. Therefore, a better understanding of the various macrophage phenotypes may pave the way for new therapies that are directed at modulating macrophage functions or manipulating individual macrophage subsets.
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Affiliation(s)
- Bryan D Fleming
- Department of Cell Biology and Molecular Genetics, and the Maryland Pathogen Research Institute, University of Maryland, College Park, MD, USA
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48
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Wu C, Li A, Leng Y, Li Y, Kang J. Histone deacetylase inhibition by sodium valproate regulates polarization of macrophage subsets. DNA Cell Biol 2011; 31:592-9. [PMID: 22054065 DOI: 10.1089/dna.2011.1401] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Recent studies suggest that change of macrophage phenotype (M1/M2) is associated with autoimmune diseases. Sodium valproate (VPA) is a class I histone deacetylase (HDAC) inhibitor, which has immunomodulatory function in graft-versus-host disease. However, its impact on macrophage polarization has not been defined. We evaluated the effects of VPA on both mouse macrophage cell line RAW264.7 and primary mouse bone marrow macrophages (BMMs). Exposure to VPA significantly repressed the production of interleukin 12 (IL-12), and tumor necrosis factor α by lipopolysaccharide (LPS)-induced macrophage activation, in contrast, promoted IL-10 expression. VPA also affected the costimulatory molecule expression on LPS-stimulated RAW264.7 and BMMs (downregulation of CD40 and CD80, and upregulation of CD86). Specifically, VPA inhibited macrophage-mediated T helper 1 (Th1) effector but enhanced Th2 effector cell activation. Together, our preclinical study demonstrates that VPA significantly affects the phenotype and function of macrophage, indicating an important role of HDAC activity in immune regulation and inflammation. It also provides a rationale to evaluate VPA activity for the treatment of macrophage dysfunction-associated diseases.
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Affiliation(s)
- Chenming Wu
- Clinical and Translational Research Center of Shanghai, First Maternity and Infant Health Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Science and Technology, Tongji University, Shanghai, People's Republic of China
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49
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Hofmann SR, Schwarz T, Möller JC, Morbach H, Schnabel A, Rösen-Wolff A, Girschick HJ, Hedrich CM. Chronic non-bacterial osteomyelitis is associated with impaired Sp1 signaling, reduced IL10 promoter phosphorylation, and reduced myeloid IL-10 expression. Clin Immunol 2011; 141:317-27. [PMID: 21925952 DOI: 10.1016/j.clim.2011.08.012] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Revised: 08/19/2011] [Accepted: 08/21/2011] [Indexed: 11/30/2022]
Abstract
Chronic non-bacterial osteomyelitis (CNO) is an auto-inflammatory disorder that affects the skeletal system. Interleukin (IL-)10 is an immune-modulatory cytokine that controls inflammation, and limits inflammatory cytokine responses. Dysregulation of IL-10 expression has been shown to result in autoimmune and infectious diseases. We investigated IL-10 expression by monocytic cells from CNO patients and controls. In response to stimulation with LPS, IL-10 expression from CNO monocytes was reduced (p<0.001). This was independent of IL10 promoter polymorphisms. Thus, we investigated Sp1 recruitment to the IL10 promoter and saw markedly reduced binding in CNO monocytes. This was accompanied with reduced phosphorylation of histone H3 serine 10 (H3S10), an activating epigenetic mark. Impaired recruitment of Sp1 to the IL10 promoter, and reduced H3S10 phosphorylation, may be a reflection of deficient MAPK signaling in CNO monocytes in response to LPS stimulation. Thus, we have discovered a mechanism that may be central in the pathophysiology of CNO.
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Affiliation(s)
- S R Hofmann
- Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 74, D-01307 Dresden, Germany
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50
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Genomic views of STAT function in CD4+ T helper cell differentiation. Nat Rev Immunol 2011; 11:239-50. [PMID: 21436836 DOI: 10.1038/nri2958] [Citation(s) in RCA: 229] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Signal transducer and activator of transcription (STAT) proteins are well known for their essential roles in transmitting cytokine-mediated signals and specifying T helper (T(H)) cell differentiation. Recent technological advances have revealed that STAT proteins have broad and complex roles in gene regulation and epigenetic control, including important roles as functional repressors. However, the challenge of how to link signal transduction, nucleosome biology and gene regulation remains. The relevance of tackling this problem is highlighted by genome-wide association studies that link cytokine signalling and STATs to various autoimmune or immune deficiency disorders. Defining exactly how extrinsic signals control the specification and plasticity of T(H) cells will provide important insights and perhaps therapeutic opportunities in these diseases.
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