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Ghena N, Anderson SR, Roberts JM, Irvin E, Schwakopf J, Bosco A, Vetter ML. CD11c-expressing microglia are transient, driven by interactions with apoptotic cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.24.600082. [PMID: 38979153 PMCID: PMC11230207 DOI: 10.1101/2024.06.24.600082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
Microglia, the parenchymal macrophage of the central nervous system serve crucial remodeling functions throughout development. Microglia are transcriptionally heterogenous, suggesting that distinct microglial states confer discrete roles. Currently, little is known about how dynamic these states are, the cues that promote them, or how they impact microglial function. In the developing retina, we previously found a significant proportion of microglia express CD11c (Integrin αX, complement receptor 4, Itgax) which has also been reported in other developmental and disease contexts. Here, we sought to understand the regulation and function of CD11c+ microglia. We found that CD11c+ microglia track with prominent waves of neuronal apoptosis in postnatal retina. Using genetic fate mapping, we provide evidence that microglia transition out of the CD11c state to return to homeostasis. We show that CD11c+ microglia have elevated lysosomal content and contribute to the clearance of apoptotic neurons, and found that acquisition of CD11c expression is, in part, dependent upon the TAM receptor Axl. Using selective ablation, we found CD11c+ microglia are not uniquely critical for phagocytic clearance of apoptotic cells. Together, our data suggest CD11c+ microglia are a transient state induced by developmental apoptosis rather than a specialized subset mediating phagocytic elimination.
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Affiliation(s)
- Nathaniel Ghena
- Department of Neurobiology, University of Utah School of Medicine
- Interdepartmental Program in Neuroscience, University of Utah
| | - Sarah R Anderson
- Department of Neurobiology, University of Utah School of Medicine
| | | | - Emmalyn Irvin
- Department of Neurobiology, University of Utah School of Medicine
| | - Joon Schwakopf
- Department of Neurobiology, University of Utah School of Medicine
| | - Alejandra Bosco
- Department of Neurobiology, University of Utah School of Medicine
| | - Monica L Vetter
- Department of Neurobiology, University of Utah School of Medicine
- Interdepartmental Program in Neuroscience, University of Utah
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2
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Wang Y, Qu J, Xiong C, Chen B, Xie K, Wang M, Liu Z, Yue Z, Liang Z, Wang F, Zhang T, Zhu G, Kuang YB, Shi P. Transdermal microarrayed electroporation for enhanced cancer immunotherapy based on DNA vaccination. Proc Natl Acad Sci U S A 2024; 121:e2322264121. [PMID: 38865265 PMCID: PMC11194603 DOI: 10.1073/pnas.2322264121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 05/14/2024] [Indexed: 06/14/2024] Open
Abstract
Despite the tremendous clinical potential of nucleic acid-based vaccines, their efficacy to induce therapeutic immune response has been limited by the lack of efficient local gene delivery techniques in the human body. In this study, we develop a hydrogel-based organic electronic device (μEPO) for both transdermal delivery of nucleic acids and in vivo microarrayed cell electroporation, which is specifically oriented toward one-step transfection of DNAs in subcutaneous antigen-presenting cells (APCs) for cancer immunotherapy. The μEPO device contains an array of microneedle-shaped electrodes with pre-encapsulated dry DNAs. Upon a pressurized contact with skin tissue, the electrodes are rehydrated, electrically triggered to release DNAs, and then electroporate nearby cells, which can achieve in vivo transfection of more than 50% of the cells in the epidermal and upper dermal layer. As a proof-of-concept, the μEPO technique is employed to facilitate transdermal delivery of neoantigen genes to activate antigen-specific immune response for enhanced cancer immunotherapy based on a DNA vaccination strategy. In an ovalbumin (OVA) cancer vaccine model, we show that high-efficiency transdermal transfection of APCs with OVA-DNAs induces robust cellular and humoral immune responses, including antigen presentation and generation of IFN-γ+ cytotoxic T lymphocytes with a more than 10-fold dose sparing over existing intramuscular injection (IM) approach, and effectively inhibits tumor growth in rodent animals.
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Affiliation(s)
- Yuan Wang
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Jin Qu
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Chuxiao Xiong
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Bing Chen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Kai Xie
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Mingxue Wang
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Zhen Liu
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Zhao Yue
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Zhenghua Liang
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Feng Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Tianlong Zhang
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Hong Kong Special Administrative Region999077, China
| | - Guangyu Zhu
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Yi Becki Kuang
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Kowloon, Hong Kong Special Administrative Region999077, China
| | - Peng Shi
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
- Center of Super-Diamond and Advanced Films, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region999077, China
- Hong Kong Centre for Cerebro-Cardiovascular Health Engineering, Hong Kong Special Administrative Region999077, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen518000, China
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3
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Zhang M, Ono M, Kawaguchi S, Iida M, Chattrairat K, Zhu Z, Nagashima K, Yanagida T, Yamaguchi J, Nishikawa H, Natsume A, Baba Y, Yasui T. On-Site Stimulation of Dendritic Cells by Cancer-Derived Extracellular Vesicles on a Core-Shell Nanowire Platform. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29570-29580. [PMID: 38804616 PMCID: PMC11181270 DOI: 10.1021/acsami.4c00283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 05/12/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Extracellular vesicles (EVs) contain a subset of proteins, lipids, and nucleic acids that maintain the characteristics of the parent cell. Immunotherapy using EVs has become a focus of research due to their unique features and bioinspired applications in cancer treatment. Unlike conventional immunotherapy using tumor fragments, EVs can be easily obtained from bodily fluids without invasive actions. We previously fabricated nanowire devices that were specialized for EV collection, but they were not suitable for cell culturing. In this study, we fabricated a ZnO/Al2O3 core-shell nanowire platform that could collect more than 60% of the EVs from the cell supernatant. Additionally, we could continue to culture dendritic cells (DCs) on the platform as an artificial lymph node to investigate cell maturation into antigen-presenting cells. Finally, using this platform, we reproduced a series of on-site immune processes that are among the pivotal immune functions of DCs and include such processes as antigen uptake, antigen presentation, and endocytosis of cancer-derived EVs. This platform provides a new ex vivo tool for EV-DC-mediated immunotherapies.
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Affiliation(s)
- Min Zhang
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Miki Ono
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Shota Kawaguchi
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Mikiko Iida
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
| | - Kunanon Chattrairat
- Department
of Life Science and Technology, Tokyo Institute
of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Zetao Zhu
- Department
of Life Science and Technology, Tokyo Institute
of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan
| | - Kazuki Nagashima
- Research
Institute for Electronic Science (RIES), Hokkaido University, Kita, Sapporo, Hokkaido 001-0020, Japan
| | - Takeshi Yanagida
- Department
of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Junya Yamaguchi
- Department
of Immunology, Nagoya University Graduate
School of Medicine, Nagoya 466-8550, Japan
| | - Hiroyoshi Nishikawa
- Department
of Immunology, Nagoya University Graduate
School of Medicine, Nagoya 466-8550, Japan
- Division
of Cancer Immunology, Exploratory Oncology
Research and Clinical Trial Center (EPOC), National Cancer Center, Chiba 277-8577, Japan
| | - Atsushi Natsume
- Institute
of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Kawamura
Medical Society, Gifu 501-3144, Japan
| | - Yoshinobu Baba
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute
of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute
for Quantum Life Science, National Institutes
for Quantum Science and Technology (QST), Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan
| | - Takao Yasui
- Department
of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Department
of Life Science and Technology, Tokyo Institute
of Technology, Nagatsuta 4259, Midori-ku, Yokohama 226-8501, Japan
- Institute
of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute
for Quantum Life Science, National Institutes
for Quantum Science and Technology (QST), Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan
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Li R, Tran DN, Lessey BA, Young SL, Kim TH, Jeong JW. Transcriptomic changes in eutopic endometrium and ectopic lesions during endometriosis progression in a mouse model. F&S SCIENCE 2024; 5:182-194. [PMID: 38342342 PMCID: PMC11116064 DOI: 10.1016/j.xfss.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/13/2024]
Abstract
OBJECTIVE To identify the transcriptomic changes of ectopic lesions and eutopic endometrial tissues during the progression of endometriosis, we performed transcriptomic analysis in the eutopic endometrium and ectopic lesions. DESIGN Laboratory study. SETTING Academic medical center. ANIMALS Four fertile and 4 subfertile Pgrcre/+Rosa26mTmG/+ mice with endometriosis, and 4 sham mice for each group of endometriosis mice as control. These mice underwent either surgery to induce endometriosis or sham surgery. Fertile sham and mice with endometriosis were used 1 month after surgery, whereas subfertile ones were used 3 months after surgery. INTERVENTIONS Early and chronic effects of endometriosis on transcriptomics of ectopic lesions and eutopic endometrium. MAIN OUTCOME MEASURES RNA-sequencing analysis and identification of differentially expressed genes and pathways in the ectopic lesions and eutopic uteri from mice with endometriosis and sham mice at day 3.5 of pregnancy. RESULTS Our mouse model recapitulates the transcriptomic changes of ectopic lesions in humans. RNA-sequencing analysis was performed in ectopic lesions and eutopic uteri from mice with or without endometriosis during the progression of the disease. Estrogen activity, inflammation, angiogenesis, and fibrosis pathways were consistently elevated in all the ectopic lesions compared with eutopic endometrium. Cholesterol/glucose synthesis and stem cell pluripotency pathways were more enhanced in ectopic lesions from subfertile mice compared with their eutopic endometrium. Dysregulation of infiltration of macrophage, dendritic, T and B cells was validated with the use of immunohistochemistry in ectopic lesions. Multiple ligand-receptor pairs between the ectopic and eutopic endometrium were altered compared with the sham endometrium. Suppressed WNT and EGF pathways were only found in the eutopic endometrium from subfertile not fertile mice compared with sham. CONCLUSIONS Our mouse endometriosis model recapitulates the transcriptomics of ectopic lesions in humans. Our transcriptomic analysis during endometriosis progression in our mouse model will help us understand the pathophysiology of endometriosis.
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Affiliation(s)
- Rong Li
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, Missouri
| | - Dinh Nam Tran
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, Missouri
| | - Bruce A Lessey
- Department of Obstetrics and Gynecology, Wake Forest Baptist Health, Winston-Salem, North Carolina
| | - Steven L Young
- Department of Obstetrics, Gynecology and Women's Health, Duke University, Durham, North Carolina
| | - Tae Hoon Kim
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, Missouri
| | - Jae-Wook Jeong
- Department of Obstetrics, Gynecology and Women's Health, University of Missouri, Columbia, Missouri.
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5
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Quartey BC, Sapudom J, ElGindi M, Alatoom A, Teo J. Matrix-Bound Hyaluronan Molecular Weight as a Regulator of Dendritic Cell Immune Potency. Adv Healthc Mater 2024; 13:e2303125. [PMID: 38104242 DOI: 10.1002/adhm.202303125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/07/2023] [Indexed: 12/19/2023]
Abstract
Hyaluronic acid (HA) is a glycosaminoglycan in the extracellular matrix with immunoregulatory properties depending on its molecular weight (MW). However, the impact of matrix-bound HA on dendritic cells (DCs) remains unclear due to varying distribution of HA MW under different physiological conditions. To investigate DCs in defined biosystems, 3D collagen matrices modified with HA of specific MW with similar microstructure and HA levels are used. It is found that HA MW influences cytokine binding to matrix, suggesting modulation of cytokine availability by the different HA MWs. These studies on DC immune potency reveal that low MW HA (8-15 kDa) enhances immature DC differentiation and antigen uptake, while medium (MMW-HA; 500-750 kDa) and high MW HA (HMW-HA; 1250-1500 kDa) increase cytokine secretion in mature DCs. The effect on DC phenotype and cytokine secretion by different MWs of HA is independent of CD44. However, blocking the CD44 receptor reveals its potential role in regulating acute inflammation through increased secretion of CCL2, CXCL8, and IL-6. Additionally, MMW- and HMW-HA matrices reduce migratory capacity of DCs, dependent on CD44. Overall, these findings provide insights into MW-dependent effects of matrix-bound HA on DCs, opening avenues for the design of DC-modulating materials to enhance DC-based therapy.
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Affiliation(s)
- Brian Chesney Quartey
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, 129188, UAE
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA
| | - Jiranuwat Sapudom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, 129188, UAE
| | - Mei ElGindi
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, 129188, UAE
| | - Aseel Alatoom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, 129188, UAE
- Department of Mechanical Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, Brooklyn, 11201, USA
| | - Jeremy Teo
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, 129188, UAE
- Department of Mechanical Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, Brooklyn, 11201, USA
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA
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Dobrovolskienė N, Balevičius R, Mlynska A, Žilionytė K, Aleksander Krasko J, Strioga M, Lieknina I, Pjanova D, Pašukonienė V. Immunomodulatory properties of bacteriophage derived dsRNA of different size and their use as anticancer vaccine adjuvants. Vaccine 2024; 42:512-521. [PMID: 38184395 DOI: 10.1016/j.vaccine.2023.12.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/14/2023] [Accepted: 12/21/2023] [Indexed: 01/08/2024]
Abstract
Dendritic cell (DC) based immunotherapy is one of the strategies to combat cancer invoking a patient's immune system. This form of anticancer immunotherapy employs adjuvants to enhance the immune response, triggering mechanisms of innate immunity and thus increase immunotherapeutic efficiency. A conventional adjuvant for DCs maturation during production of anticancer vaccines is bacterial LPS. Nevertheless, synthetic dsRNAs were also shown to stimulate different receptors on innate immune cells and to activate immune responses through induction of cytokines via toll-like receptors. In our study we investigated the potential of Larifan as dsRNA of natural origin to stimulate maturation of DCs with proinflammatory (possible antitumoral) activity and to compare these immunostimulatory properties between Larifan's fractions with different molecular lengths. To explore the suitability of this product for therapy, it is necessary to study the properties of its different fractions and compare them to standard adjuvants. We investigated the effect of Larifan's fractions on immune system stimulation in vivo by monitoring the survival time of tumor-bearing mice. Murine DCs produced in vitro using Larifan and its fractions together with tumor antigens during production were also characterized. All Larifan fractions resulted in inducing high expression of immunogenic markers CD40, CD80, CD86, CCR7, MHC II and lower secretion of the immunosuppressive cytokine IL-10, compared to the maturation with LPS in mDCs. The lowest expression of tolerogenic gene Ido1 and highest expression of the immunogenic genes Clec7a, Tnf, Icosl, Il12rb2, Cd209a were characteristic to the unfractionated dsRNA and short fraction FR15. In the mouse model the best overall survival rate was observed in mice treated with medium-length FR9 and FR15. We can state that both Larifan and its fractions were superior to LPS as vaccine adjuvants in stimulating phenotype and functional activity of mature DCs. DCs maturation using these factors induces a valuable anticancer immune response.
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Affiliation(s)
- Neringa Dobrovolskienė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania.
| | - Ramojus Balevičius
- Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania.
| | - Agata Mlynska
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
| | - Karolina Žilionytė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania.
| | - Jan Aleksander Krasko
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
| | - Marius Strioga
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania
| | - Ilva Lieknina
- Latvian Biomedical Research and Study Centre, Ratsupites Street 1, Riga LV-1067, Latvia.
| | - Dace Pjanova
- Latvian Biomedical Research and Study Centre, Ratsupites Street 1, Riga LV-1067, Latvia; Riga Stradins University, Ratsupites street 5., Riga LV-1067, Latvia.
| | - Vita Pašukonienė
- Laboratory of Immunology, National Cancer Institute, Santariškių g. 1, LT-08660 Vilnius, Lithuania; Department of Chemistry and Bioengineering, Vilnius Gediminas Technical University, Saulėtekio al. 11, LT-10223 Vilnius, Lithuania.
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Lopes KDP, Yu L, Shen X, Qiu Y, Tasaki S, Iatrou A, Beeri MS, Seyfried NT, Menon V, Wang Y, Schneider JA, Cantor H, Bennett DA. Associations of cortical SPP1 and ITGAX with cognition and common neuropathologies in older adults. Alzheimers Dement 2024; 20:525-537. [PMID: 37727065 PMCID: PMC10841499 DOI: 10.1002/alz.13474] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/15/2023] [Accepted: 08/21/2023] [Indexed: 09/21/2023]
Abstract
INTRODUCTION The secreted phosphoprotein 1 (SPP1) gene expressed by CD11c+ cells is known to be associated with microglia activation and neuroinflammatory diseases. As most studies rely on mouse models, we investigated these genes and proteins in the cortical brain tissue of older adults and their role in Alzheimer's disease (AD) and related disorders. METHODS We leveraged protein measurements, single-nuclei, and RNASeq data from the Religious Orders Study and Rush Memory and Aging Project (ROSMAP) of over 1200 samples for association analysis. RESULTS Expression of SPP1 and its encoded protein osteopontin were associated with faster cognitive decline and greater odds of common neuropathologies. At single-cell resolution, integrin subunit alpha X (ITGAX) was highly expressed in microglia, where specific subpopulations were associated with AD and cerebral amyloid angiopathy. DISCUSSION The study provides evidence of SPP1 and ITGAX association with cognitive decline and common neuropathologies identifying a microglial subset associated with disease.
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Affiliation(s)
- Katia de Paiva Lopes
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Lei Yu
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Xianli Shen
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMassachusettsUSA
- Department of ImmunologyHarvard Medical SchoolBostonMassachusettsUSA
| | - Yiguo Qiu
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMassachusettsUSA
- Department of ImmunologyHarvard Medical SchoolBostonMassachusettsUSA
- Chongqing International Institute for ImmunologyChongqingChina
| | - Shinya Tasaki
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Artemis Iatrou
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
- Department of Psychiatry, McLean HospitalHarvard Medical SchoolBelmontMassachusettsUSA
| | - Michal Schnaider Beeri
- Joseph Sagol Neuroscience Center, Sheba Medical CenterRamat GanIsrael
- Department of PsychiatryIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
- The Herbert and Jackeline Krieger Klein Alzheimer's Research CenterRutgers Biomedical and Health Sciences, Rutgers UniversityNew JerseyUSA
| | - Nicholas T. Seyfried
- Goizueta Alzheimer's Disease Research Center, Department of Neurology and Department of BiochemistryEmory University School of MedicineAtlantaGeorgiaUSA
| | - Vilas Menon
- Center for Translational and Computational NeuroimmunologyDepartment of Neurology & Taub Institute for Research on Alzheimer's disease and the Aging BrainColumbia University Irving Medical CenterNew YorkNew YorkUSA
| | - Yanling Wang
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Julie A. Schneider
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
- Department of PathologyRush University Medical CenterChicagoIllinoisUSA
| | - Harvey Cantor
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMassachusettsUSA
- Department of ImmunologyHarvard Medical SchoolBostonMassachusettsUSA
| | - David A. Bennett
- Rush Alzheimer's Disease CenterRush University Medical CenterChicagoIllinoisUSA
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
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Luri-Rey C, Gomis G, Glez-Vaz J, Manzanal A, Martinez Riaño A, Rodriguez Ruiz ME, Teijeira A, Melero I. Cytotoxicity as a form of immunogenic cell death leading to efficient tumor antigen cross-priming. Immunol Rev 2024; 321:143-151. [PMID: 37822051 DOI: 10.1111/imr.13281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Antigen cross-priming of CD8+ T cells is a critical process necessary for the effective expansion and activation of CD8+ T cells endowed with the ability to recognize and destroy tumor cells. The cross-presentation of tumor antigens to cross-prime CD8+ T cells is mainly mediated, if not only, by a subset of professional antigen-presenting cells termed type-1 conventional dendritic cells (cDC1). The demise of malignant cells can be immunogenic if it occurs in the context of premortem stress. These ways of dying are termed immunogenic cell death (ICD) and are associated with biochemical features favoring cDC1 for the efficient cross-priming of tumor antigens. Immunosurveillance and the success of immunotherapies heavily rely on the ability of cytotoxic immune cells, primarily CD8+ T cells and NK cells, to detect and eliminate tumor cells through mechanisms collectively known as cytotoxicity. Recent studies have revealed the significance of NK- and CTL-mediated cytotoxicity as a prominent form of immunogenic cell death, resulting in mechanisms that promote and sustain antigen-specific immune responses. This review focuses on the mechanisms underlying the cross-presentation of antigens released during tumor cell killing by cytotoxic immune cells, with an emphasis on the role of cDC1 cells. Indeed, cDC1s are instrumental in the effectiveness of most immunotherapies, underscoring the significance of tumor antigen cross-priming in contexts of immunogenic cell death. The notion of the potent immunogenicity of cell death resulting from NK or cytotoxic T lymphocyte (CTL)-mediated cytotoxicity has far-reaching implications for cancer immunotherapy.
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Affiliation(s)
- Carlos Luri-Rey
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
| | - Gabriel Gomis
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
| | - Javier Glez-Vaz
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
| | - Almudena Manzanal
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
| | - Ana Martinez Riaño
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
| | | | - Alvaro Teijeira
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
- Department of Oncology, Clinica Universidad de Navarra, Pamplona, Spain
- Navarra Institute for Health Research (IDISNA), Pamplona, Spain
| | - Ignacio Melero
- Program of Immunology and Immunotherapy, Cima Universidad de Navarra, Pamplona, Spain
- Department of Oncology, Clinica Universidad de Navarra, Pamplona, Spain
- Navarra Institute for Health Research (IDISNA), Pamplona, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
- Department of Immunology and Immunotherapy, Clínica Universidad de Navarra, Pamplona, Spain
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
- Department of Pharmacy, University "G. D'Annunzio" Chieti-Pescara, Chieti, Italy
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9
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Israel LL, Braubach O, Shatalova ES, Chepurna O, Sharma S, Klymyshyn D, Galstyan A, Chiechi A, Cox A, Herman D, Bliss B, Hasen I, Ting A, Arechavala R, Kleinman MT, Patil R, Holler E, Ljubimova JY, Koronyo-Hamaoui M, Sun T, Black KL. Exposure to environmental airborne particulate matter caused wide-ranged transcriptional changes and accelerated Alzheimer's-related pathology: A mouse study. Neurobiol Dis 2023; 187:106307. [PMID: 37739136 DOI: 10.1016/j.nbd.2023.106307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 09/04/2023] [Accepted: 09/19/2023] [Indexed: 09/24/2023] Open
Abstract
Air pollution poses a significant threat to human health, though a clear understanding of its mechanism remains elusive. In this study, we sought to better understand the effects of various sized particulate matter from polluted air on Alzheimer's disease (AD) development using an AD mouse model. We exposed transgenic Alzheimer's mice in their prodromic stage to different sized particulate matter (PM), with filtered clean air as control. After 3 or 6 months of exposure, mouse brains were harvested and analyzed. RNA-seq analysis showed that various PM have differential effects on the brain transcriptome, and these effects seemed to correlate with PM size. Many genes and pathways were affected after PM exposure. Among them, we found a strong activation in mRNA Nonsense Mediated Decay pathway, an inhibition in pathways related to transcription, neurogenesis and survival signaling as well as angiogenesis, and a dramatic downregulation of collagens. Although we did not detect any extracellular Aβ plaques, immunostaining revealed that both intracellular Aβ1-42 and phospho-Tau levels were increased in various PM exposure conditions compared to the clean air control. NanoString GeoMx analysis demonstrated a remarkable activation of immune responses in the PM exposed mouse brain. Surprisingly, our data also indicated a strong activation of various tumor suppressors including RB1, CDKN1A/p21 and CDKN2A/p16. Collectively, our data demonstrated that exposure to airborne PM caused a profound transcriptional dysregulation and accelerated Alzheimer's-related pathology.
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Affiliation(s)
- Liron L Israel
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Oliver Braubach
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Ekaterina S Shatalova
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Oksana Chepurna
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Sachin Sharma
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Dmytro Klymyshyn
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Anna Galstyan
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Antonella Chiechi
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Alysia Cox
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - David Herman
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Bishop Bliss
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Irene Hasen
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Amanda Ting
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Rebecca Arechavala
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Michael T Kleinman
- Department of Environmental and Occupational Health, University of California, Irvine 92697, United States of America
| | - Rameshwar Patil
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Eggehard Holler
- Terasaki Institute, Los Angeles, CA 90024, United States of America
| | | | - Maya Koronyo-Hamaoui
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America; Department of Biomedical Sciences, Division of Applied Cell Biology and Physiology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America
| | - Tao Sun
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America.
| | - Keith L Black
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, United States of America.
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10
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Chung MKY, Gong L, Kwong DL, Lee VH, Lee AW, Guan X, Kam N, Dai W. Functions of double-negative B cells in autoimmune diseases, infections, and cancers. EMBO Mol Med 2023; 15:e17341. [PMID: 37272217 PMCID: PMC10493577 DOI: 10.15252/emmm.202217341] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 06/06/2023] Open
Abstract
Most mature B cells can be divided into four subtypes based on the expression of the surface markers IgD and CD27: IgD+ CD27- naïve B cells, IgD+ CD27+ unswitched memory B cells, IgD- CD27+ switched memory B cells, and IgD- CD27- double-negative (DN) B cells. Despite their small population size in normal peripheral blood, DN B cells play integral roles in various diseases. For example, they generate autoimmunity in autoimmune conditions, while these cells may generate both autoimmune and antipathogenic responses in COVID-19, or act in a purely antipathogenic capacity in malaria. Recently, DN B cells have been identified in nasopharyngeal carcinoma and non-small-cell lung cancers, where they may play an immunosuppressive role. The distinct functions that DN B cells play in different diseases suggest that they are a heterogeneous B-cell population. Therefore, further study of the mechanisms underlying the involvement of DN B cells in these diseases is essential for understanding their pathogenesis and the development of therapeutic strategies. Further research is thus warranted to characterize the DN B-cell population in detail.
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Affiliation(s)
- Michael King Yung Chung
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
| | - Lanqi Gong
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
| | - Dora Lai‐Wan Kwong
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
| | - Victor Ho‐Fun Lee
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
| | - Ann Wing‐Mui Lee
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
| | - Xin‐Yuan Guan
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
| | - Ngar‐Woon Kam
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Laboratory for Synthetic Chemistry and Chemical BiologyHong Kong (SAR)China
| | - Wei Dai
- Department of Clinical Oncology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong
- Department of Clinical Oncology, Shenzhen Key Laboratory for Cancer Metastasis and Personalized TherapyThe University of Hong Kong‐Shenzhen HospitalShenzhenChina
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11
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Wu J, Yan J, Hua Z, Jia J, Zhou Z, Zhang J, Li J, Zhang J. Identification of molecular signatures in acute myocardial infarction based on integrative analysis of proteomics and transcriptomics. Genomics 2023; 115:110701. [PMID: 37597790 DOI: 10.1016/j.ygeno.2023.110701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/30/2023] [Accepted: 08/16/2023] [Indexed: 08/21/2023]
Abstract
BACKGROUND Myocardial infarction (MI) is one of the most serious cardiovascular diseases, characterized by a rapid and irreversible decline in myocardial function. Early detection of patients with MI and prolonging the optimal therapeutic window of acute myocardial infarction (AMI) are particularly important. This study aimed to identify the diagnostic biomarkers and novel therapeutic targets for acute myocardial infarction. METHOD We generated the AMI mouse models by ligating the proximal left anterior descending coronary artery. Six time points-Sham, AMI 10-min, 1-h, 6-h, 24-h, and 72-h-were chosen to examine the molecular changes that occur during the AMI process. RNA-seq and DIA-MS were performed on the infarcted left ventricular tissues of AMI mice at each time point. Co-expression pattern genes were screened from myocardial infarction samples at different time points by time-series analysis. Gene Ontology (GO) function and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were used to examine these genes. Using the Interactive Gene/Protein Retrieval Tool (STRING) database, the protein-protein interaction network (PPI) was constructed and the hub genes were identified. In order to evaluate the diagnostic value of hub genes, a receiver operating characteristic (ROC) curve was constructed. An independent data set, GSE163772, confirmed the diagnostic value of hub genes further. RESULT We obtained the expression profiles at different time points after the occurrence of heart failure through high-throughput sequencing, and found 167 genes with similar expression patterns through time series analysis. The immune response and immune-related pathways had the greatest enrichment of these genes. Among them, Itgb2 Syk, Tlr4, Tlr2, Itgax, and Lcp2 may play key roles as hub genes. Combined with the results of proteomic analysis, it was found that the expression of Coro1a in both omics increased with time. The results of external validation showed that TLR2, ITGAX, and LCP2 had good predictive ability for AMI diagnosis. CONCLUSION Itgb2, Syk, Tlr4, Tlr2, Itgax, Lcp2 and Coro1a are considered to be the seven key genes significantly associated with AMI. Our results may provide potential targets for the prevention of adverse ventricular remodeling and the treatment of AMI.
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Affiliation(s)
- Jiawen Wu
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China; Department of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jiale Yan
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Zheng Hua
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jingyi Jia
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Zhitong Zhou
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Junfang Zhang
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jue Li
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China.
| | - Jie Zhang
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China; Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Orthopaedic Department of Tongji Hospital, Tongji University School of Medicine, Shanghai, China.
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12
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Sprenkle NT, Winn NC, Bunn KE, Zhao Y, Park DJ, Giese BG, Karijolich JJ, Ansel KM, Serezani CH, Hasty AH, Pua HH. The miR-23-27-24 clusters drive lipid-associated macrophage proliferation in obese adipose tissue. Cell Rep 2023; 42:112928. [PMID: 37542720 PMCID: PMC10712211 DOI: 10.1016/j.celrep.2023.112928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 06/19/2023] [Accepted: 07/17/2023] [Indexed: 08/07/2023] Open
Abstract
Identifying molecular circuits that control adipose tissue macrophage (ATM) function is necessary to understand how ATMs contribute to tissue homeostasis and obesity-induced insulin resistance. In this study, we find that mice with a myeloid-specific knockout of the miR-23-27-24 clusters of microRNAs (miRNAs) gain less weight on a high-fat diet but exhibit worsened glucose and insulin tolerance. Analysis of ATMs from these mice shows selectively reduced numbers and proliferation of a recently reported subset of lipid-associated CD9+Trem2+ ATMs (lipid-associated macrophages [LAMs]). Leveraging the role of miRNAs to control networks of genes, we use RNA sequencing (RNA-seq), functional screens, and biochemical assays to identify candidate target transcripts that regulate proliferation-associated signaling. We determine that miR-23 directly targets the mRNA of Eif4ebp2, a gene that restricts protein synthesis and proliferation in macrophages. Altogether, our study demonstrates that control of proliferation of a protective subset of LAMs by noncoding RNAs contributes to protection against diet-induced obesity metabolic dysfunction.
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Affiliation(s)
- Neil T Sprenkle
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Nathan C Winn
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA
| | - Kaitlyn E Bunn
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Yang Zhao
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Deborah J Park
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Brenna G Giese
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - John J Karijolich
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA; Vanderbilt Center for Immunobiology and Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, TN, USA; Vanerbilt-Ingram Cancer Center, Nashville, TN, USA
| | - K Mark Ansel
- Department of Microbiology and Immunology and Sandler Asthma Basic Research Center, University of California, San Francisco, San Francisco, CA, USA
| | - C Henrique Serezani
- Vanderbilt Center for Immunobiology and Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA; Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Alyssa H Hasty
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA; Vanderbilt Center for Immunobiology and Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA; Veterans Affairs, Tennessee Valley Healthcare System, Nashville, TN, USA
| | - Heather H Pua
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA; Vanderbilt Center for Immunobiology and Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN, USA.
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13
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Bravo AI, Aris M, Panouillot M, Porto M, Dieu-Nosjean MC, Teillaud JL, Barrio MM, Mordoh J. HEV-associated dendritic cells are observed in metastatic tumor-draining lymph nodes of cutaneous melanoma patients with longer distant metastasis-free survival after adjuvant immunotherapy. Front Immunol 2023; 14:1231734. [PMID: 37691949 PMCID: PMC10485604 DOI: 10.3389/fimmu.2023.1231734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 08/07/2023] [Indexed: 09/12/2023] Open
Abstract
Introduction Tissue biomarkers that aid in identifying cutaneous melanoma (CM) patients who will benefit from adjuvant immunotherapy are of crucial interest. Metastatic tumor-draining lymph nodes (mTDLN) are the first encounter site between the metastatic CM cells and an organized immune structure. Therefore, their study may reveal mechanisms that could influence patients´ outcomes. Methods Twenty-nine stage-III CM patients enrolled in clinical trials to study the vaccine VACCIMEL were included in this retrospective study. After radical mTDLN dissection, patients were treated with VACCIMEL (n=22) or IFNα-2b (n=6), unless rapid progression (n=1). Distant Metastasis-Free Survival (DMFS) was selected as an end-point. Two cohorts of patients were selected: one with a good outcome (GO) (n=17; median DMFS 130.0 months), and another with a bad outcome (BO) (n=12; median DMFS 8.5 months). We analyzed by immunohistochemistry and immunofluorescence the expression of relevant biomarkers to tumor-cell biology and immune cells and structures in mTDLN, both in the tumor and peritumoral areas. Results In BO patients, highly replicating Ki-67+ tumor cells, low tumor HLA-I expression and abundant FoxP3+ lymphocytes were found (p=0.037; p=0.056 and p=0.021). In GO patients, the most favorable biomarkers for prolonged DMFS were the abundance of peri- and intra-tumoral CD11c+ cells (p=0.0002 and p=0.001), peri-tumoral DC-LAMP+ dendritic cells (DCs) (p=0.001), and PNAd+ High Endothelial Venules (HEVs) (p=0.004). Most strikingly, we describe in GO patients a peculiar, heterogeneous structure that we named FAPS (Favoring Antigen-Presenting Structure), a triad composed of DC, HEV and CD62L+ naïve lymphocytes, whose postulated role would be to favor tumor antigen (Ag) priming of incoming naïve lymphocytes. We also found in GO patients a preferential tumor infiltration of CD8+ and CD20+ lymphocytes (p=0.004 and p=0.027), as well as peritumoral CD20+ aggregates, with no CD21+ follicular dendritic cells detected (p=0.023). Heterogeneous infiltration with CD64+CD68-CD163-, CD64+CD68+CD163- and CD64+CD68+CD163+ macrophages were observed in both cohorts. Discussion The analysis of mTDLN in GO and BO patients revealed marked differences. This work highlights the importance of analyzing resected mTDLN from CM patients and suggests a correlation between tumor and immune characteristics that may be associated with a spontaneous or vaccine-induced long DMFS. These results should be confirmed in prospective studies.
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Affiliation(s)
- Alicia Inés Bravo
- Laboratorio de Cancerología, Fundación Instituto Leloir, Ciudad Autónoma de Buenos Aires (CABA), Argentina
- Unidad de Inmunopatología, Hospital HIGA Eva Perón, Provincia de Buenos Aires, Buenos Aires, Argentina
| | - Mariana Aris
- Centro de Investigaciones Oncológicas, Fundación Cáncer (FUCA), Ciudad Autónoma de Buenos Aires (CABA), Argentina
| | - Marylou Panouillot
- Sorbonne University, Faculty of Medicine, UMRS 1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Inserm U.1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
| | - Martina Porto
- Laboratorio de Cancerología, Fundación Instituto Leloir, Ciudad Autónoma de Buenos Aires (CABA), Argentina
| | - Marie-Caroline Dieu-Nosjean
- Sorbonne University, Faculty of Medicine, UMRS 1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Inserm U.1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
| | - Jean-Luc Teillaud
- Sorbonne University, Faculty of Medicine, UMRS 1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Inserm U.1135, Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
- Laboratory “Immune Microenvironment and Immunotherapy”, Centre d’Immunologie et des Maladies Infectieuses (CIMI), Paris, France
| | - María Marcela Barrio
- Centro de Investigaciones Oncológicas, Fundación Cáncer (FUCA), Ciudad Autónoma de Buenos Aires (CABA), Argentina
| | - José Mordoh
- Laboratorio de Cancerología, Fundación Instituto Leloir, Ciudad Autónoma de Buenos Aires (CABA), Argentina
- Centro de Investigaciones Oncológicas, Fundación Cáncer (FUCA), Ciudad Autónoma de Buenos Aires (CABA), Argentina
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14
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Komori S, Saito Y, Nishimura T, Respatika D, Endoh H, Yoshida H, Sugihara R, Iida-Norita R, Afroj T, Takai T, Oduori OS, Nitta E, Kotani T, Murata Y, Kaneko Y, Nitta R, Ohnishi H, Matozaki T. CD47 promotes peripheral T cell survival by preventing dendritic cell-mediated T cell necroptosis. Proc Natl Acad Sci U S A 2023; 120:e2304943120. [PMID: 37549290 PMCID: PMC10440595 DOI: 10.1073/pnas.2304943120] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 07/06/2023] [Indexed: 08/09/2023] Open
Abstract
Conventional dendritic cells (cDCs) are required for peripheral T cell homeostasis in lymphoid organs, but the molecular mechanism underlying this requirement has remained unclear. We here show that T cell-specific CD47-deficient (Cd47 ΔT) mice have a markedly reduced number of T cells in peripheral tissues. Direct interaction of CD47-deficient T cells with cDCs resulted in activation of the latter cells, which in turn induced necroptosis of the former cells. The deficiency and cell death of T cells in Cd47 ΔT mice required expression of its receptor signal regulatory protein α on cDCs. The development of CD4+ T helper cell-dependent contact hypersensitivity and inhibition of tumor growth by cytotoxic CD8+ T cells were both markedly impaired in Cd47 ΔT mice. CD47 on T cells thus likely prevents their necroptotic cell death initiated by cDCs and thereby promotes T cell survival and function.
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Affiliation(s)
- Satomi Komori
- Division of Biosignal Regulation, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0047, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Yasuyuki Saito
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Taichi Nishimura
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Datu Respatika
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
- Division of Reconstruction, Oculoplasty, and Oncology, Department of Ophthalmology, Faculty of Medicine, Public Health, and Nursing, Gadjah Mada University, Yogyakarta55281, Indonesia
| | - Hiromi Endoh
- Division of Structural Medicine and Anatomy, Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Hiroki Yoshida
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Risa Sugihara
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Rie Iida-Norita
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Tania Afroj
- Division of Biosignal Regulation, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0047, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Tomoko Takai
- Division of Biosignal Regulation, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0047, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Okechi S. Oduori
- Division of Biosignal Regulation, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0047, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Eriko Nitta
- Division of Structural Medicine and Anatomy, Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Takenori Kotani
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Yoji Murata
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Yoriaki Kaneko
- Department of Nephrology and Rheumatology, Gunma University Graduate School of Medicine, Gunma371-8511, Japan
| | - Ryo Nitta
- Division of Structural Medicine and Anatomy, Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
| | - Hiroshi Ohnishi
- Department of Laboratory Sciences, Gunma University Graduate School of Health Sciences, Gunma371-8514, Japan
| | - Takashi Matozaki
- Division of Biosignal Regulation, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0047, Japan
- Division of Molecular and Cellular Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe650-0017, Japan
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15
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ElGindi M, Sapudom J, Garcia Sabate A, Chesney Quartey B, Alatoom A, Al-Sayegh M, Li R, Chen W, Teo J. Effects of an aged tissue niche on the immune potency of dendritic cells using simulated microgravity. NPJ AGING 2023; 9:14. [PMID: 37393393 DOI: 10.1038/s41514-023-00111-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/18/2023] [Indexed: 07/03/2023]
Abstract
Microgravity accelerates the aging of various physiological systems, and it is well acknowledged that aged individuals and astronauts both have increased susceptibility to infections and poor response to vaccination. Immunologically, dendritic cells (DCs) are the key players in linking innate and adaptive immune responses. Their distinct and optimized differentiation and maturation phases play a critical role in presenting antigens and mounting effective lymphocyte responses for long-term immunity. Despite their importance, no studies to date have effectively investigated the effects of microgravity on DCs in their native microenvironment, which is primarily located within tissues. Here, we address a significantly outstanding research gap by examining the effects of simulated microgravity via a random positioning machine on both immature and mature DCs cultured in biomimetic collagen hydrogels, a surrogate for tissue matrices. Furthermore, we explored the effects of loose and dense tissues via differences in collagen concentration. Under these various environmental conditions, the DC phenotype was characterized using surface markers, cytokines, function, and transcriptomic profiles. Our data indicate that aged or loose tissue and exposure to RPM-induced simulated microgravity both independently alter the immunogenicity of immature and mature DCs. Interestingly, cells cultured in denser matrices experience fewer effects of simulated microgravity at the transcriptome level. Our findings are a step forward to better facilitate healthier future space travel and enhance our understanding of the aging immune system on Earth.
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Affiliation(s)
- Mei ElGindi
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates
| | - Jiranuwat Sapudom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates
| | - Anna Garcia Sabate
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates
| | - Brian Chesney Quartey
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates
| | - Aseel Alatoom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates
| | - Mohamed Al-Sayegh
- Biology Division, New York University Abu Dhabi, P.O. Box 129188, Abu Dhabi, United Arab Emirates
| | - Rui Li
- Department of Biomedical Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA
| | - Weiqiang Chen
- Department of Biomedical Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA
- Department of Mechanical and Aerospace Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA
| | - Jeremy Teo
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi, PO Box 129188, United Arab Emirates.
- Department of Biomedical Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA.
- Department of Mechanical and Aerospace Engineering, New York University, 6 MetroTech Center, Brooklyn, NY, 11201, USA.
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16
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Ribeiro H, Alves R, Jorge J, Gonçalves AC, Sarmento-Ribeiro AB, Teixeira-Veríssimo M, Andrade JP, Dourado M. Monocytes in the Characterization of Pain in Palliative Patients with Severe Dementia-A Pilot Study. Int J Mol Sci 2023; 24:10723. [PMID: 37445910 DOI: 10.3390/ijms241310723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 06/20/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
In assessing and managing pain, when obtaining a self-report is impossible, therapeutic decision-making becomes more challenging. This study aimed to investigate whether monocytes and some membrane monocyte proteins, identified as a cluster of differentiation (CD), could be potential non-invasive peripheral biomarkers in identifying and characterizing pain in patients with severe dementia. We used 53 blood samples from non-oncological palliative patients, 44 patients with pain (38 of whom had dementia) and 0 without pain or dementia (controls). We evaluated the levels of monocytes and their subtypes, including classic, intermediate, and non-classic, and characterized the levels of specific phenotypic markers, namely CD11c, CD86, CD163, and CD206. We found that the relative concentrations of monocytes, particularly the percentage of classic monocytes, may be a helpful pain biomarker. Furthermore, the CD11c expression levels were significantly higher in patients with mixed pain, while CD163 and CD206 expression levels were significantly higher in patients with nociceptive pain. These findings suggest that the levels of monocytes, particularly the classic subtype, and their phenotype markers CD11c, CD163, and CD206 could serve as pain biomarkers in patients with severe dementia.
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Affiliation(s)
- Hugo Ribeiro
- Community Support Team in Palliative Care-Group of Health Centers Gaia, 4400-043 Vila Nova de Gaia, Portugal
- Faculty of Medicine, University do Porto, 4200-219 Porto, Portugal
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
| | - Raquel Alves
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
- Laboratory of Oncobiology and Hematology (LOH), Faculty of Medicine, University of Coimbra, University Clinics of Hematology and Oncology, 3004-304 Coimbra, Portugal
| | - Joana Jorge
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
- Laboratory of Oncobiology and Hematology (LOH), Faculty of Medicine, University of Coimbra, University Clinics of Hematology and Oncology, 3004-304 Coimbra, Portugal
| | - Ana Cristina Gonçalves
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
- Laboratory of Oncobiology and Hematology (LOH), Faculty of Medicine, University of Coimbra, University Clinics of Hematology and Oncology, 3004-304 Coimbra, Portugal
| | - Ana Bela Sarmento-Ribeiro
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
- Laboratory of Oncobiology and Hematology (LOH), Faculty of Medicine, University of Coimbra, University Clinics of Hematology and Oncology, 3004-304 Coimbra, Portugal
- Hematology Service, Centro Hospitalar e Universitário de Coimbra (CHUC), 3000-075 Coimbra, Portugal
| | - Manuel Teixeira-Veríssimo
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Hematology Service, Centro Hospitalar e Universitário de Coimbra (CHUC), 3000-075 Coimbra, Portugal
| | - José Paulo Andrade
- CINTESIS@RISE, Faculty of Medicine, University of Porto, 4200-219 Porto, Portugal
- Unit of Anatomy, Department of Biomedicine, Faculty of Medicine, University of Porto, 4200-219 Porto, Portugal
| | - Marília Dourado
- Faculty of Medicine, University of Coimbra, 3004-304 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR)-Group of Environment Genetics and Oncobiology (CIMAGO), FMUC, 3004-304 Coimbra, Portugal
- Center for Innovative Biomedicine and Biotechnology (CIBB), 3004-304 Coimbra, Portugal
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17
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Yadav M, Akhtar MN, Mishra M, Kumar S, Kumar R, Shubham, Nandal A, Sen P. Leishmania donovani Attenuates Dendritic Cell Trafficking to Lymph Nodes by Inhibiting C-Type Lectin Receptor 2 Expression via Transforming Growth Factor-β. Microbiol Spectr 2023; 11:e0412222. [PMID: 37125906 PMCID: PMC10269552 DOI: 10.1128/spectrum.04122-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 04/10/2023] [Indexed: 05/02/2023] Open
Abstract
To initiate an antileishmanial adaptive immune response, dendritic cells (DCs) must carry Leishmania antigens from peripheral tissues to local draining lymph nodes. However, the migratory capacity of DCs is largely compromised during Leishmania donovani infection. The molecular mechanism underlying this defective DC migration is not yet fully understood. Here, we demonstrate that L. donovani infection impaired the lymph node homing ability of DCs by decreasing C-type lectin receptor 2 (CLEC-2) expression. L. donovani exerted this inhibitory effect by inducing transforming growth factor-β (TGF-β) secretion from DCs. Indeed, TGF-β produced in this manner inhibited nuclear factor-κB (NF-κB)-mediated CLEC-2 expression on DCs by activating c-Src. Notably, suppression of c-Src expression significantly improved the arrival of DCs in draining lymph nodes by preventing L. donovani-induced CLEC-2 downregulation on DCs. These findings reveal a unique mechanism by which L. donovani inhibits DC migration to lymph nodes and suggest a key role for TGF-β, c-Src, and CLEC-2 in regulating this process. IMPORTANCE Dendritic cells (DCs) play a key role in initiating T cell-mediated protective immunity against visceral leishmaniasis (VL), the second most lethal parasitic disease in the world. However, the T cell-inducing ability of DCs critically depends on the extent of DC migration to regional lymph nodes. Notably, the migration of DCs is reported to be impaired during VL. The cause of this impaired DC migration, however, remains ill-defined. Here, we provide the first evidence that L. donovani, the causative agent of VL, attenuates the lymph node homing capacity of DCs by decreasing C-type lectin receptor 2 (CLEC-2) expression on DCs. Additionally, we have demonstrated how L. donovani mediates this inhibitory effect. Overall, our work has revealed a unique mechanism underlying L. donovani-induced impairment of DC migration and suggests a potential strategy to improve antileishmanial T cell activity by increasing DC arrival in lymph nodes.
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Affiliation(s)
- Manisha Yadav
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
| | - Md. Naushad Akhtar
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
| | - Manish Mishra
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
| | - Sandeep Kumar
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Raj Kumar
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
| | - Shubham
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Anil Nandal
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
| | - Pradip Sen
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research—Institute of Microbial Technology, Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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18
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Farazuddin M, Ludka N, Friesen L, Landers JJ, O’Konek JJ, Kim CH, Baker JR. Retinoic Acid Signaling Is Required for Dendritic Cell Maturation and the Induction of T Cell Immunity. Immunohorizons 2023; 7:480-492. [PMID: 37341756 PMCID: PMC10580129 DOI: 10.4049/immunohorizons.2300022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/01/2023] [Indexed: 06/22/2023] Open
Abstract
Vitamin A and its biologically active metabolites, all-trans and 9-cis retinoic acid (RA), are thought to be important in generating and modulating immune function. However, RA modulates the function of many types of immune cells, and its specific role in dendritic cell (DC) activation, Ag presentation, and T cell effector function has not been fully characterized. Because RA works primarily through RA receptor (RAR)α, we examined mice with a myeloid cell-specific defect in RA signaling. These transgenic mice have a CD11c-cre-driven expression of a truncated form of RARα that specifically blocks the signaling of all forms of RARs in myeloid cells. This defect results in abnormal DC function, with impaired DC maturation and activation, and reduced Ag uptake and processing. These DC abnormalities were associated with a reduced ability to mount Ag-specific T cell responses to immunization despite having normally functioning T cells. In contrast, the loss of DC-specific RA signaling did not significantly alter levels of Ag-specific Abs postimmunization and resulted in an increase in bronchial IgA. Our findings indicate that RA signaling in DCs is crucial for immune activation, and its absence impairs the development of Ag-specific effector functions of T cell immunity.
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Affiliation(s)
- Mohammad Farazuddin
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI
- Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, MI
| | - Nicholas Ludka
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI
- Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, MI
| | - Leon Friesen
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI
| | - Jeffrey J. Landers
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI
- Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, MI
| | - Jessica J. O’Konek
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI
- Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, MI
| | - Chang H. Kim
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI
| | - James R. Baker
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI
- Michigan Nanotechnology Institute for Medicine and Biological Sciences, University of Michigan Medical School, Ann Arbor, MI
- Mary H. Weiser Food Allergy Center, University of Michigan Medical School, Ann Arbor, MI
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19
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Mishra M, Yadav M, Kumar S, Kumar R, Sen P. TIM-3 increases the abundance of type-2 dendritic cells during Leishmania donovani infection by enhancing IL-10 production via STAT3. Cell Death Dis 2023; 14:331. [PMID: 37202419 PMCID: PMC10195822 DOI: 10.1038/s41419-023-05848-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 04/26/2023] [Accepted: 05/02/2023] [Indexed: 05/20/2023]
Abstract
The outcome of the disease visceral leishmaniasis (VL), caused by Leishmania donovani (LD), largely relies on the relative dominance of host-protective type-1 T helper (Th1) cell response versus disease-promoting type-2 T helper (Th2) cell response. The Th1 and Th2 responses, in turn, are believed to be elicited by type-1 conventional dendritic cells (cDC1) and type-2 conventional DCs (cDC2), respectively. However, it is still unknown which DC subtype (cDC1 or cDC2) predominates during chronic LD infection and the molecular mechanism governing such occurrence. Here we report that in chronically infected mice, the splenic cDC1-cDC2 balance shifted toward the cDC2 subtype and that the receptor T cell immunoglobulin and mucin protein-3 (TIM-3) expressed by DCs played a key role in mediating this effect. Transfer of TIM-3-silenced DCs in fact prevented the predominance of the cDC2 subtype in mice with chronic LD infection. We also found that LD actually upregulated TIM-3 expression on DCs by triggering a TIM-3-mediated signaling pathway STAT3 (signal transducer and activator of transcription 3)→interleukin (IL)-10→c-Src→transcription factors Ets1, Ets2, USF1, and USF2. Notably, TIM-3 promoted STAT3 activation via a non-receptor tyrosine kinase Btk. Adoptive transfer experiments further demonstrated a critical role for STAT3-driven TIM-3 upregulation on DCs in increasing cDC2 abundance in chronically infected mice, which ultimately aided disease pathogenesis by augmenting Th2 responses. These findings document a new immunoregulatory mechanism contributing to disease pathology during LD infection and define TIM-3 as a key mediator of this process.
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Affiliation(s)
- Manish Mishra
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India
- Department of Pathology, Yale School of Medicine, New Haven, CT, USA
| | - Manisha Yadav
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India
| | - Sandeep Kumar
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Raj Kumar
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India
| | - Pradip Sen
- Division of Cell Biology and Immunology, Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India.
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20
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LeMaster C, Pierce SH, Geanes ES, Khanal S, Elliott SS, Scott AB, Louiselle DA, McLennan R, Maulik D, Lewis T, Pastinen T, Bradley T. The cellular and immunological dynamics of early and transitional human milk. Commun Biol 2023; 6:539. [PMID: 37202439 DOI: 10.1038/s42003-023-04910-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 05/03/2023] [Indexed: 05/20/2023] Open
Abstract
Human milk is essential for infant nutrition and immunity, providing protection against infections and other immune-mediated diseases during the lactation period and beyond in later childhood. Milk contains a broad range of bioactive factors such as nutrients, hormones, enzymes, immunoglobulins, growth factors, cytokines, and antimicrobial factors, as well as heterogeneous populations of maternal cells. The soluble and cellular components of milk are dynamic over time to meet the needs of the growing infant. In this study, we utilize systems-approaches to define and characterize 62 analytes of the soluble component, including immunoglobulin isotypes, as well as the cellular component of human milk during the first two weeks postpartum from 36 mothers. We identify soluble immune and growth factors that are dynamic over time and could be utilized to classify milk into different phenotypic groups. We identify 24 distinct populations of both epithelial and immune cells by single-cell transcriptome analysis of 128,016 human milk cells. We found that macrophage populations have shifting inflammatory profiles during the first two weeks of lactation. This analysis provides key insights into the soluble and cellular components of human milk and serves as a substantial resource for future studies of human milk.
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Affiliation(s)
- Cas LeMaster
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Stephen H Pierce
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Eric S Geanes
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Santosh Khanal
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Staci S Elliott
- Division of Neonatology, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Allison B Scott
- Division of Neonatology, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Daniel A Louiselle
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Rebecca McLennan
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Devika Maulik
- Fetal Health Center, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
| | - Tamorah Lewis
- Division of Neonatology, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
- Department of Pediatrics, UMKC School of Medicine, Kansas City, MO, 64108, USA
| | - Tomi Pastinen
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA
- Department of Pediatrics, UMKC School of Medicine, Kansas City, MO, 64108, USA
| | - Todd Bradley
- Genomic Medicine Center, Children's Mercy Research Institute, Children's Mercy Kansas City, Kansas City, MO, 64108, USA.
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66160, USA.
- Department of Pediatrics, UMKC School of Medicine, Kansas City, MO, 64108, USA.
- Department of Pediatrics, University of Kansas Medical Center, Kansas City, KS, 66160, USA.
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21
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Tani S, Okada H, Onodera S, Chijimatsu R, Seki M, Suzuki Y, Xin X, Rowe DW, Saito T, Tanaka S, Chung UI, Ohba S, Hojo H. Stem cell-based modeling and single-cell multiomics reveal gene-regulatory mechanisms underlying human skeletal development. Cell Rep 2023; 42:112276. [PMID: 36965484 DOI: 10.1016/j.celrep.2023.112276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 01/19/2023] [Accepted: 03/02/2023] [Indexed: 03/27/2023] Open
Abstract
Although the skeleton is essential for locomotion, endocrine functions, and hematopoiesis, the molecular mechanisms of human skeletal development remain to be elucidated. Here, we introduce an integrative method to model human skeletal development by combining in vitro sclerotome induction from human pluripotent stem cells and in vivo endochondral bone formation by implanting the sclerotome beneath the renal capsules of immunodeficient mice. Histological and scRNA-seq analyses reveal that the induced bones recapitulate endochondral ossification and are composed of human skeletal cells and mouse circulatory cells. The skeletal cell types and their trajectories are similar to those of human embryos. Single-cell multiome analysis reveals dynamic changes in chromatin accessibility associated with multiple transcription factors constituting cell-type-specific gene-regulatory networks (GRNs). We further identify ZEB2, which may regulate the GRNs in human osteogenesis. Collectively, these results identify components of GRNs in human skeletal development and provide a valuable model for its investigation.
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Affiliation(s)
- Shoichiro Tani
- Laboratory of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan.
| | - Hiroyuki Okada
- Laboratory of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Shoko Onodera
- Department of Biochemistry, Tokyo Dental College, Tokyo 101-0061, Japan
| | - Ryota Chijimatsu
- Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Center for Comprehensive Genomic Medicine, Okayama University Hospital, Okayama 700-8558, Japan
| | - Masahide Seki
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8562, Japan
| | - Yutaka Suzuki
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8562, Japan
| | - Xiaonan Xin
- Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - David W Rowe
- Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - Taku Saito
- Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Sakae Tanaka
- Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan
| | - Ung-Il Chung
- Laboratory of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8655, Japan
| | - Shinsuke Ohba
- Laboratory of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Department of Cell Biology, Institute of Biomedical Sciences, Nagasaki University, Nagasaki 852-8588, Japan; Department of Oral Anatomy and Developmental Biology, Graduate School of Dentistry, Osaka University, Osaka 565-0871, Japan.
| | - Hironori Hojo
- Laboratory of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan; Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8655, Japan.
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22
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Hou L, Voit RA, Shibamura-Fujiogi M, Koutsogiannaki S, Li Y, Chen Y, Luo H, Sankaran VG, Yuki K. CD11c regulates neutrophil maturation. Blood Adv 2023; 7:1312-1325. [PMID: 36306384 PMCID: PMC10119615 DOI: 10.1182/bloodadvances.2022007719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 09/14/2022] [Accepted: 09/27/2022] [Indexed: 11/20/2022] Open
Abstract
Sepsis continues to be associated with high morbidity and mortality. Currently, sepsis is managed only conservatively. In sepsis, a substantial number of neutrophils is required, leading to accelerated neutrophil production. Immature neutrophils are released into the circulation to meet a demand, despite their less effective functioning in microbial eradication. Although an intervention to provide more mature neutrophils may serve as a potential sepsis treatment, the mechanism of neutrophil differentiation and maturation remains poorly understood. We discovered that CD11c, traditionally known as a dendritic cell marker, was expressed in neutrophils and regulated neutrophil maturation and effector functions. In the absence of CD11c, neutrophil maturation was impaired in the bone marrow, concomitant with a significant increase in the proliferation and apoptosis of preneutrophils, associated with less effector functions. Under lipopolysaccharide challenge, inducing an emergent neutrophil production in the bone marrow, CD11c deficiency exaggerated the release of immature neutrophils into the circulation, associated with a significant proliferation and apoptosis of preneutrophils. In contrast, constitutively active CD11c knock-in mice showed accelerated neutrophil maturation associated with enhanced effector functions, which further supports the notion that CD11c regulates neutrophil maturation. Furthermore, the constitutively active CD11c knock-in mice offered enhanced bacterial eradication. Taken together, we discovered that CD11c was critical for the regulation of neutrophil maturation, and CD11c activation could serve as a potential target for sepsis treatment.
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Affiliation(s)
- Lifei Hou
- Cardiac Anesthesia Division, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA
- Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA
| | - Richard A. Voit
- Department of Hematology/Oncology, Boston Children’s Hospital, Harvard Medical School, Boston, MA
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Miho Shibamura-Fujiogi
- Cardiac Anesthesia Division, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA
- Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA
| | - Sophia Koutsogiannaki
- Cardiac Anesthesia Division, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA
- Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA
| | - Yunan Li
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN
| | - Yue Chen
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN
| | - Hongbo Luo
- Department of Pathology, Boston Children’s Hospital, Boston, MA
| | - Vijay G. Sankaran
- Department of Hematology/Oncology, Boston Children’s Hospital, Harvard Medical School, Boston, MA
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Koichi Yuki
- Cardiac Anesthesia Division, Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children’s Hospital, Boston, MA
- Department of Anaesthesia and Immunology, Harvard Medical School, Boston, MA
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23
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Zhang Q, Zhang S, Chen J, Xie Z. The Interplay between Integrins and Immune Cells as a Regulator in Cancer Immunology. Int J Mol Sci 2023; 24:6170. [PMID: 37047140 PMCID: PMC10093897 DOI: 10.3390/ijms24076170] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023] Open
Abstract
Integrins are a group of heterodimers consisting of α and β subunits that mediate a variety of physiological activities of immune cells, including cell migration, adhesion, proliferation, survival, and immunotolerance. Multiple types of integrins act differently on the same immune cells, while the same integrin may exert various effects on different immune cells. In the development of cancer, integrins are involved in the regulation of cancer cell proliferation, invasion, migration, and angiogenesis; conversely, integrins promote immune cell aggregation to mediate the elimination of tumors. The important roles of integrins in cancer progression have provided valuable clues for the diagnosis and targeted treatment of cancer. Furthermore, many integrin inhibitors have been investigated in clinical trials to explore effective regimens and reduce side effects. Due to the complexity of the mechanism of integrin-mediated cancer progression, challenges remain in the research and development of cancer immunotherapies (CITs). This review enumerates the effects of integrins on four types of immune cells and the potential mechanisms involved in the progression of cancer, which will provide ideas for more optimal CIT in the future.
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Affiliation(s)
- Qingfang Zhang
- College of Basic Medical, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Shuo Zhang
- College of Basic Medical, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Jianrui Chen
- College of Basic Medical, Nanchang University, Nanchang 330006, China
- Queen Mary School, Medical Department, Nanchang University, Nanchang 330031, China
| | - Zhenzhen Xie
- College of Basic Medical, Nanchang University, Nanchang 330006, China
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24
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Escaffre O, Popov V, Hager E, Freiberg AN. Characterization of an air-liquid interface primary human vaginal epithelium to study Ebola virus infection and testing of antivirals. Antiviral Res 2023; 211:105551. [PMID: 36731656 PMCID: PMC10286122 DOI: 10.1016/j.antiviral.2023.105551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 02/01/2023]
Abstract
Ebola virus (EBOV) is the causative agent of the often-fatal Ebola virus disease (EVD) characterized by hemorrhagic fever in humans and non-human primates. Sexual transmission from male survivors has been at the origin of multiple outbreak flare-ups between 2015 and 2021. However, this route is still poorly understood and the resulting EVD from it is also understudied. To support epidemiological studies documenting sexual transmission to women, and as a transition from previously using monolayer vaginal epithelial cells (VK2/E6E7), we first determined the biological relevance of two similar air-liquid interface models of the human vaginal epithelium (VEC and VLC Epivaginal™) and then characterized their susceptibility to EBOV and virus-induced inflammation. Finally, we evaluated toxicity of Polyphenylene Carboxymethylene (PPCM) microbicide in VLC and reassessed its antiviral effect. As expected, the VEC, but also VLC model showed stratified layers including a lamina propria under an epithelial structure similar to the full thickness of the human vaginal epithelium. However, we could not detect the immune cells featured in the most relevant model (VLC) of the vaginal epithelium using the dendritic cell CD1a and CD11c markers. Consistent with our previous work using the VK2/E6E7 cell line, infectious virus was detected from the apical side of both primary human cell systems, but only when using a high infective dose, with titers remaining at a constant level of 103-4 pfu/ml over 7 days suggesting lasting infectious virus shedding. In addition, infection caused disruption of the epithelium of both models and virus antigen was found from the apical superficial layers down to the lamina propria suggesting full virus penetration and overall confirming the susceptibility of the human vaginal tissue for EBOV. Just like previously seen in VK2/E6E7 cells, VLC infection also caused significant increase in inflammatory markers including IL-6, IL-8, and IP-10 suggesting vaginitis which is again consistent with tissue lesions seen in non-human primates. Finally, both virus infection and virus-induced inflammatory response in VLC could be prevented by a single 5-min PPCM microbicide treatment prior infection.
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Affiliation(s)
- Olivier Escaffre
- Department of Pathology, USA; Institute for Human Infections & Immunity and Sealy & Smith Foundation, University of Texas Medical Branch, Galveston, TX, 77555, USA.
| | - Vsevolod Popov
- Department of Pathology, USA; Center for Biodefense and Emerging Infectious Diseases, USA; Institute for Human Infections & Immunity and Sealy & Smith Foundation, University of Texas Medical Branch, Galveston, TX, 77555, USA
| | | | - Alexander N Freiberg
- Department of Pathology, USA; Center for Biodefense and Emerging Infectious Diseases, USA; Institute for Human Infections & Immunity and Sealy & Smith Foundation, University of Texas Medical Branch, Galveston, TX, 77555, USA.
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25
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Kantor AB, Akassoglou K, Stavenhagen JB. Fibrin-Targeting Immunotherapy for Dementia. J Prev Alzheimers Dis 2023; 10:647-660. [PMID: 37874085 PMCID: PMC11227370 DOI: 10.14283/jpad.2023.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Blood-brain barrier (BBB) disruption is an early event in the development of Alzheimer's disease. It precedes extracellular deposition of amyloid-β in senile plaques and blood vessel walls, the intracellular accumulation of neurofibrillary tangles containing phosphorylated tau protein, microglial activation, and neuronal cell death. BBB disruption allows the coagulation protein fibrinogen to leak from the blood into the brain, where it is converted by thrombin cleavage into fibrin and deposits in the parenchyma and CNS vessels. Fibrinogen cleavage by thrombin exposes a cryptic epitope termed P2 which can bind CD11b and CD11c on microglia, macrophages and dendritic cells and trigger an inflammatory response toxic to neurons. Indeed, genetic and pharmacological evidence demonstrates a causal role for fibrin in innate immune cell activation and the development of neurodegenerative diseases. The P2 inflammatory epitope is spatially and compositionally distinct from the coagulation epitope on fibrin. Mouse monoclonal antibody 5B8, which targets the P2 epitope without interfering with the clotting process, has been shown to reduce neurodegeneration and neuroinflammation in animal models of Alzheimer's disease and multiple sclerosis. The selectivity and efficacy of this anti-human fibrin-P2 antibody in animal models supports the development of a monoclonal antibody drug targeting fibrin P2 for the treatment of neurodegenerative diseases. THN391 is a humanized, affinity-matured antibody which has a 100-fold greater affinity for fibrin P2 and improved development properties compared to the parental 5B8 antibody. It is currently in a Phase 1 clinical trial.
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Affiliation(s)
- A B Kantor
- Jeffrey Stavenhagen, PhD, Therini Bio, Inc, Sacramento, CA, USA,
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26
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Zhao J, Jung S, Li X, Li L, Kasinath V, Zhang H, Movahedi SN, Mardini A, Sabiu G, Hwang Y, Saxena V, Song Y, Ma B, Acton SE, Kim P, Madsen JC, Sage PT, Tullius SG, Tsokos GC, Bromberg JS, Abdi R. Delivery of costimulatory blockade to lymph nodes promotes transplant acceptance in mice. J Clin Invest 2022; 132:e159672. [PMID: 36519543 PMCID: PMC9754003 DOI: 10.1172/jci159672] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 10/11/2022] [Indexed: 12/15/2022] Open
Abstract
The lymph node (LN) is the primary site of alloimmunity activation and regulation during transplantation. Here, we investigated how fibroblastic reticular cells (FRCs) facilitate the tolerance induced by anti-CD40L in a murine model of heart transplantation. We found that both the absence of LNs and FRC depletion abrogated the effect of anti-CD40L in prolonging murine heart allograft survival. Depletion of FRCs impaired homing of T cells across the high endothelial venules (HEVs) and promoted formation of alloreactive T cells in the LNs in heart-transplanted mice treated with anti-CD40L. Single-cell RNA sequencing of the LNs showed that anti-CD40L promotes a Madcam1+ FRC subset. FRCs also promoted the formation of regulatory T cells (Tregs) in vitro. Nanoparticles (NPs) containing anti-CD40L were selectively delivered to the LNs by coating them with MECA-79, which binds to peripheral node addressin (PNAd) glycoproteins expressed exclusively by HEVs. Treatment with these MECA-79-anti-CD40L-NPs markedly delayed the onset of heart allograft rejection and increased the presence of Tregs. Finally, combined MECA-79-anti-CD40L-NPs and rapamycin treatment resulted in markedly longer allograft survival than soluble anti-CD40L and rapamycin. These data demonstrate that FRCs are critical to facilitating costimulatory blockade. LN-targeted nanodelivery of anti-CD40L could effectively promote heart allograft acceptance.
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Affiliation(s)
- Jing Zhao
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Sungwook Jung
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Xiaofei Li
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lushen Li
- Department of Surgery and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Vivek Kasinath
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Hengcheng Zhang
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Said N. Movahedi
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ahmad Mardini
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Gianmarco Sabiu
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Yoonha Hwang
- IVIM Technology, Daejeon, South Korea
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Vikas Saxena
- Department of Surgery and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | | | - Bing Ma
- Institute for Genome Sciences and
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Sophie E. Acton
- Stromal Immunology Group, Laboratory for Molecular Cell Biology, University College London, London, United Kingdom
| | - Pilhan Kim
- IVIM Technology, Daejeon, South Korea
- Graduate School of Nanoscience and Technology and
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea
| | - Joren C. Madsen
- Center for Transplantation Sciences, Department of Surgery
- Division of Cardiac Surgery, Department of Surgery, and
| | - Peter T. Sage
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Stefan G. Tullius
- Division of Transplant Surgery and Transplant Surgery Research Laboratory, Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - George C. Tsokos
- Division of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - Jonathan S. Bromberg
- Department of Surgery and
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Reza Abdi
- Transplantation Research Center and
- Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Hwang M, Savarin C, Kim J, Powers J, Towne N, Oh H, Bergmann CC. Trem2 deficiency impairs recovery and phagocytosis and dysregulates myeloid gene expression during virus-induced demyelination. J Neuroinflammation 2022; 19:267. [PMID: 36333761 PMCID: PMC9635103 DOI: 10.1186/s12974-022-02629-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
Background Triggering receptor expressed on myeloid cells 2 (Trem2) plays a protective role in neurodegenerative diseases. By contrast, Trem2 functions can exacerbate tissue damage during respiratory viral or liver infections. We, therefore, investigated the role of Trem2 in a viral encephalomyelitis model associated with prominent Th1 mediated antiviral immunity leading to demyelination. Methods Wild-type (WT) and Trem2 deficient (Trem2−/−) mice were infected with a sublethal glia tropic murine coronavirus (MHV–JHM) intracranially. Disease progression and survival were monitored daily. Leukocyte accumulation and pathological features including demyelination and axonal damage in spinal cords (SC) were determined by flow cytometry and tissue section immunofluorescence analysis. Expression of select inflammatory cytokines and chemokines was measured by RT-PCR and global myeloid cell gene expression in SC-derived microglia and infiltrated bone-marrow-derived macrophages (BMDM) were determined using the Nanostring nCounter platform. Results BMDM recruited to SCs in response to infection highly upregulated Trem2 mRNA compared to microglia coincident with viral control. Trem2 deficiency did not alter disease onset or severity, but impaired clinical recovery after onset of demyelination. Disease progression in Trem2−/− mice could not be attributed to altered virus control or an elevated proinflammatory response. A prominent difference was increased degenerated myelin not associated with the myeloid cell markers IBA1 and/or CD68. Gene expression profiles of SC-derived microglia and BMDM further revealed that Trem2 deficiency resulted in impaired upregulation of phagocytosis associated genes Lpl and Cd36 in microglia, but a more complex pattern in BMDM. Conclusions Trem2 deficiency during viral-induced demyelination dysregulates expression of other select genes regulating phagocytic pathways and lipid metabolism, with distinct effects on microglia and BMDM. The ultimate failure to remove damaged myelin is reminiscent of toxin or autoimmune cell-induced demyelination models and supports that Trem2 function is regulated by sensing tissue damage including a dysregulated lipid environment in very distinct inflammatory environments. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-022-02629-1.
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Bedeir MM, Ninoyu Y, Nakamura T, Tsujikawa T, Hirano S. Multiplex immunohistochemistry reveals cochlear macrophage heterogeneity and local auditory nerve inflammation in cisplatin-induced hearing loss. Front Neurol 2022; 13:1015014. [PMID: 36341090 PMCID: PMC9633043 DOI: 10.3389/fneur.2022.1015014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 09/26/2022] [Indexed: 08/11/2023] Open
Abstract
Inner ear macrophages play a vital role in cochlear homeostasis. Recent studies have demonstrated the existence of macrophages at different sites of the cochlea, with increased cochlear infiltration as an inflammatory response mechanism to injury. However, current methods, such as conventional immunohistochemistry and flow cytometry, provide limited information about the diversity of cochlear macrophages. Recently, multiplex immunohistochemistry (mIHC) successfully identified the heterogeneity of immune cells in cancer tissue and thereby improved our understanding of the disease prognosis. In this study, we modified the mIHC technique for cochlear tissue and utilized it to investigate cochlear macrophage behavior and heterogeneity before and after exposure to ototoxic drugs such as cisplatin. Four-week-old C57BL/6N female mice were intraperitoneally injected with cisplatin at 5 mg/kg/day consecutively for 6 days. Their hearing levels were assessed before and after the injection. Their cochleae were harvested before (day 0) and on days 8 and 15 after the cisplatin injection. Paraffin-embedded sections were sequentially immunostained using macrophage surface markers to identify the different categories of macrophages. Each immunostaining cycle included incubation with primary antibody, incubation with secondary antibody, chromogenic staining, and image scanning. Thereafter, all antibodies were stripped out, and antigen retrieval was performed to prepare the tissue for the next cycle. The results revealed that activated cochlear macrophages were not entirely differentiated into M1 or M2 categories but into multi-marker M1/M2 mixed macrophages. Furthermore, the ratio of these mixed (M1/M2) macrophages to Iba1+ macrophages increased in the auditory nerve after cisplatin exposure, suggesting local auditory nerve inflammation. The increase in the population of activated macrophages in the auditory nerve region was concomitant with the temporary shift of hearing threshold on day 8 post-cisplatin injection. The findings of this study indicate the effectiveness of mIHC in identifying cochlear macrophage heterogeneity both in the resting state and after cisplatin exposure. Therefore, mIHC could be a powerful tool in cochlear immunology research. Our findings may provide new insights into the co-relation between the cochlear macrophage and cisplatin exposure.
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29
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Interferon-γ Stimulates Interleukin-27 Derived from Dendritic Cells to Regulate Th9 Differentiation through STAT1/3 Pathway. DISEASE MARKERS 2022; 2022:1542112. [PMID: 36304255 PMCID: PMC9596272 DOI: 10.1155/2022/1542112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 09/21/2022] [Indexed: 11/22/2022]
Abstract
The initiation and progression of allergic asthma (AA) are associated with complex interactions between inflammation and immune response. Herein, we report the specific mechanisms underlying the molecular action of interferon (IFN)-γ in AA regulation. We speculated that IFN-γ inhibits Th9 differentiation by regulating the secretion of interleukin (IL)-27 from dendritic cells (DCs), thereby suppressing airway inflammation in asthma. We constructed a mouse model of ovalbumin-induced AA and overexpressed IFN-γ to evaluate the effect on the IL-27/Th9 axis via the in vitro effect of IFN-γ on IL-27 secretion by DCs and their influence on Th9 differentiation and asthmatic inflammation. IFN-γ overexpression reduced the proportion of Th9 cells and DCs and altered lung morphology and cytokine production in AA-induced mice, thus suppressing the AA phenotype. In addition, exogenous IFN-γ stimulation promoted the secretion of IL-27 and suppressed Th9 differentiation of CD4+ T cells via signal transducer and activator of transcription 1/3 (STAT1/3) signaling in a time-dependent manner. This study aimed to clarify the regulatory effect and mechanism of the IFN-γ/DCs/IL-27/Th9 axis on AA and provide novel insights for effective targeted treatment of asthma.
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30
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Song W, Hu JJ, Song SJ, Xu Y, Yang H, Yang F, Zhou Y, Yu T, Qiu WX. Aptamer-Gold Nanocage Composite for Photoactivated Immunotherapy. ACS APPLIED MATERIALS & INTERFACES 2022; 14:42931-42939. [PMID: 36099584 DOI: 10.1021/acsami.2c11089] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Immune checkpoint blockade (ICB) has been hailed as the hope for conquering cancer as ICB could produce a significant and durable response to tumor cells. However, the high cost and severe side effects of ICB drugs limited their application for further anticancer therapy. Here, we developed a photoactivated immunotherapy nanoplatform (Apt@AuNC). This nanoplatform could target tumor tissues via enhanced penetration retention (EPR) effect and the aptamer (Apt) could be released from Apt@AuNC in tumor sites via illumination. The immune system in the tumor area was then activated after the combination of Apt and PD-1 protein. The heat generated from AuNC was able to continue killing tumor cells. This nanoplatform could not only achieve the precise immunotherapy but also significantly facilitate the anticancer efficacy.
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Affiliation(s)
- Wen Song
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Jing-Jing Hu
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, P.R. China
| | - Shu-Jun Song
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Yi Xu
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Hang Yang
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Fan Yang
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Ying Zhou
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
| | - Tao Yu
- Department of Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Wen-Xiu Qiu
- Institute of Biology and Medicine, College of Life Science and Health, Wuhan University of Science and Technology, Wuhan, Hubei 430081, P.R. China
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Hu Y, Paris S, Bertolet G, Barsoumian HB, He K, Sezen D, Chen D, Wasley M, Silva JDA, Mitchell JA, Voss TA, Masrorpour F, Leyton CK, Yang L, Leuschner C, Puebla-Osorio N, Gandhi S, Nguyen QN, Cortez MA, Welsh JW. Combining a nanoparticle-mediated immunoradiotherapy with dual blockade of LAG3 and TIGIT improves the treatment efficacy in anti-PD1 resistant lung cancer. J Nanobiotechnology 2022; 20:417. [PMID: 36123677 PMCID: PMC9484155 DOI: 10.1186/s12951-022-01621-4] [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: 05/05/2022] [Accepted: 08/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND While improvements in immunoradiotherapy have significantly improved outcomes for cancer patients, this treatment approach has nevertheless proven ineffective at controlling the majority of malignancies. One of the mechanisms of resistance to immunoradiotherapy is that immune cells may be suppressed via the myriad of different immune checkpoint receptors. Therefore, simultaneous blockade of multiple immune checkpoint receptors may enhance the treatment efficacy of immunoradiotherapy. METHODS We combined NBTXR3-enhanced localized radiation with the simultaneous blockade of three different checkpoint receptors: PD1, LAG3, and TIGIT, and tested the treatment efficacy in an anti-PD1-resistant lung cancer model in mice. 129 Sv/Ev mice were inoculated with fifty thousand αPD1-resistant 344SQR cells in the right leg on day 0 to establish primary tumors and with the same number of cells in the left leg on day 4 to establish the secondary tumors. NBTXR3 was intratumorally injected into the primary tumors on day 7, which were irradiated with 12 Gy on days 8, 9, and 10. Anti-PD1 (200 µg), αLAG3 (200 µg), and αTIGIT (200 µg) were given to mice by intraperitoneal injections on days 5, 8, 11, 14, 21, 28, 35, and 42. RESULTS This nanoparticle-mediated combination therapy is effective at controlling the growth of irradiated and distant unirradiated tumors, enhancing animal survival, and is the only one that led to the destruction of both tumors in approximately 30% of the treated mice. Corresponding with this improved response is robust activation of the immune response, as manifested by increased numbers of immune cells along with a transcriptional signature of both innate and adaptive immunity within the tumor. Furthermore, mice treated with this combinatorial therapy display immunological memory response when rechallenged by the same cancer cells, preventing tumor engraftment. CONCLUSION Our results strongly attest to the efficacy and validity of combining nanoparticle-enhanced radiotherapy and simultaneous blockade of multiple immune checkpoint receptors and provide a pre-clinical rationale for investigating its translation into human patients.
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Affiliation(s)
- Yun Hu
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Sébastien Paris
- Department of Translational Science, Nanobiotix, Paris, France
| | - Genevieve Bertolet
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Hampartsoum B Barsoumian
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Kewen He
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA.,Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, China
| | - Duygu Sezen
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA.,Department of Radiation Oncology, Koc University School of Medicine, Istanbul, Turkey
| | - Dawei Chen
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA.,Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, China
| | - Mark Wasley
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Jordan DA Silva
- Department of Translational Science, Nanobiotix, Paris, France
| | - Joylise A Mitchell
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Tiffany A Voss
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Fatemeh Masrorpour
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Claudia Kettlun Leyton
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Liangpeng Yang
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Carola Leuschner
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Nahum Puebla-Osorio
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Saumil Gandhi
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Quynh-Nhu Nguyen
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - Maria Angelica Cortez
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA
| | - James W Welsh
- Department of Radiation Oncology, Unit 97, The University of Texas MD Anderson Cancer, 1515 Holcombe Blvd, Houston, TX, 77030, USA.
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Tomasek K, Leithner A, Glatzova I, Lukesch MS, Guet CC, Sixt M. Type 1 piliated uropathogenic Escherichia coli hijack the host immune response by binding to CD14. eLife 2022; 11:78995. [PMID: 35881547 PMCID: PMC9359703 DOI: 10.7554/elife.78995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
A key attribute of persistent or recurring bacterial infections is the ability of the pathogen to evade the host’s immune response. Many Enterobacteriaceae express type 1 pili, a pre-adapted virulence trait, to invade host epithelial cells and establish persistent infections. However, the molecular mechanisms and strategies by which bacteria actively circumvent the immune response of the host remain poorly understood. Here, we identified CD14, the major co-receptor for lipopolysaccharide detection, on mouse dendritic cells (DCs) as a binding partner of FimH, the protein located at the tip of the type 1 pilus of Escherichia coli. The FimH amino acids involved in CD14 binding are highly conserved across pathogenic and non-pathogenic strains. Binding of the pathogenic strain CFT073 to CD14 reduced DC migration by overactivation of integrins and blunted expression of co-stimulatory molecules by overactivating the NFAT (nuclear factor of activated T-cells) pathway, both rate-limiting factors of T cell activation. This response was binary at the single-cell level, but averaged in larger populations exposed to both piliated and non-piliated pathogens, presumably via the exchange of immunomodulatory cytokines. While defining an active molecular mechanism of immune evasion by pathogens, the interaction between FimH and CD14 represents a potential target to interfere with persistent and recurrent infections, such as urinary tract infections or Crohn’s disease.
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Affiliation(s)
- Kathrin Tomasek
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | | | - Ivana Glatzova
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | | | - Calin C Guet
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Michael Sixt
- Institute of Science and Technology Austria, Klosterneuburg, Austria
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CD40 monoclonal antibody and OK432 synergistically promote the activation of dendritic cells in immunotherapy. Cancer Cell Int 2022; 22:216. [PMID: 35715855 PMCID: PMC9206283 DOI: 10.1186/s12935-022-02630-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 06/08/2022] [Indexed: 12/05/2022] Open
Abstract
Background Colorectal cancer (CRC) with pulmonary metastasis usually indicates a poor prognosis, whereas patients may benefit from adoptive cell therapy. Tumor-specific cytotoxic T lymphocytes (CTLs) have been reported as a promising treatment for CRC. However, the antitumor effect of CTLs remains limited partially due to insufficient production of effector cells via the activation by antigen-presenting dendritic cells (DCs). Method This study showed that a combination of CD40 mAb and Picibanil (OK-432) could significantly enhance the activation of CTLs by DCs, both in vitro and in vivo. Flow cytometry, colon cancer mouse model, and pathological staining were employed to demonstrate the specific functions. Results This approach promoted the maturation of DCs, augmented the production of stimulatory cytokines, and suppressed the secretion of inhibitory cytokines. Additionally, it facilitated the killing efficiency of CTLs via stimulating their proliferation while restraining the number of Tregs, concomitantly with the positive regulation of corresponding cytokines. Furthermore, the combined unit could hurdle the expansion of tumor cells on metastatic lungs in the colon cancer mouse model. Conclusion Collectively, the combination of CD40-mAb and OK-432 facilitated the maturation of DCs and enhanced the cytotoxicity of T cells, promising therapeutic approach against CRC. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12935-022-02630-x.
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Deng Q, Li X, Fang C, Li X, Zhang J, Xi Q, Li Y, Zhang R. Cordycepin enhances anti-tumor immunity in colon cancer by inhibiting phagocytosis immune checkpoint CD47 expression. Int Immunopharmacol 2022; 107:108695. [PMID: 35305385 DOI: 10.1016/j.intimp.2022.108695] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/05/2022] [Accepted: 03/09/2022] [Indexed: 01/01/2023]
Abstract
Cordycepin, also known as 3'-deoxyadenosine, is an extract from Cordyceps militaris, which has been reported as an anti-inflammation and anti-tumor substance without toxicity. However, the pharmacological mechanism of Cordycepin on tumor immunity under its anti-tumor effect has not yet been elucidated. Herein, we investigated Cordycepin's anti-tumor effect on colon cancer both in vitro and in vivo. Our results show that Cordycepin can inhibit growth, migration, and promoted apoptosis of CT26 cells in a dose-dependent manner. Cordycepin suppressed the growth of colon cancer in mouse subcutaneous tumor model by modulating tumor immune microenvironment where CD4+ T, CD8+ T, M1 type macrophages, NK cells were up-regulated. Further investigations revealed that Cordycepin inhibited phagocytosis immune checkpoint CD47 protein expression by reducing BNIP3 expression. In addition, Cordycepin also inhibited the expression of TSP1 in tumor cells and Jurkat cells, which may reduce the binding of TSP1 to CD47, thereby reducing T cell apoptosis and allowing more T cells to infiltrate into tumors. And in vitro co-culture experiments proved that Cordycepin could enhance the phagocytosis of CT26 cells by macrophages. These results explained the underlying mechanism of the anti-tumor immunity of Cordycepin. In conclusion, our results identify a novel mechanism by which Cordycepin inhibits phagocytosis immune checkpoint CD47 in tumor cells to promote tumor cells phagocytosis of macrophages. Cordycepin may be able to serve as a more effective immunotherapeutic drug against colon cancer.
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Affiliation(s)
- Qifeng Deng
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Xinrui Li
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Chunqiang Fang
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Xin Li
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Jing Zhang
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Qing Xi
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China; School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou, China
| | - Yan Li
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Rongxin Zhang
- Guangdong Provincial Key Laboratory for Biotechnology Drug Candidates, Institute of Basic Medical Sciences and Department of Biotechnology, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China.
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Polysaccharides from European Black Elderberry Extract Enhance Dendritic Cell Mediated T Cell Immune Responses. Int J Mol Sci 2022; 23:ijms23073949. [PMID: 35409309 PMCID: PMC8999536 DOI: 10.3390/ijms23073949] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 12/11/2022] Open
Abstract
European black elderberry (Sambucus nigra L.) is a popular way to treat common colds or influenza infections. Mechanistically, this might be due to a direct antiviral effect or a stimulatory effect on the immune system of the host. Here, we evaluated the modulatory effects of black elderberry derived water extract (EC15) and its polysaccharide enriched fractions (CPS, BOUND, and UNBOUND) in comparison to a conventional alcoholic extract (EE25), regarding the phenotypical and functional properties of dendritic cells (DCs), which are essential cells to induce potent T cell responses. Interestingly, the water extract and its polysaccharide fractions potently induced DC maturation, while the ethanol extract did not. Moreover, the capacity to stimulate T cells by these matured DCs, as assessed using MLR assays, was statistically higher when induced by the water extracted fractions, compared to immature DCs. On the other hand, the ethanol extract EE25 did not induce T cell stimulation. Finally, the cytokine expression profiles of these DC—T cell cocultures were assessed and correlated well with increased T cell stimulation. Also, the expression of inflammatory cytokines, such as IL-6, TNF-α, and IFN-γ was highly increased in the presence of the elderberry water extract EC15, and the polysaccharide enriched CPS, BOUND, and UNBOUND fractions, but not by EE25. Thus, from these data, we conclude that the polysaccharides present in water-derived elderberry fractions induce potent immune-modulatory effects, which represents the basis for a strong immune-mediated response to viruses including influenza.
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Rogala B, Khan ZA, Jackson-Boeters L, Darling MR. Investigation of the Molecular Profile of Granular Cell Tumours and Schwannomas of the Oral Cavity. Dent J (Basel) 2022; 10:dj10030038. [PMID: 35323240 PMCID: PMC8946879 DOI: 10.3390/dj10030038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
Granular cell tumours (GCTs) are rare submucosal lesions, thought to develop from Schwann cells, characterised by large polygonal cells with abundant lysosomes. The objectives of this study are to investigate whether GCTs have an antigen-presenting cell (APC) phenotype or a neural crest phenotype using immunohistochemistry and to compare expression profiles with Schwannomas. Immunoreactivity to CD68, HLA-DR, CD163, CD40 and CD11c (APC phenotype) and markers of neural crest cell (NCC) origin S100, SOX10, NSE and GAP43 in 23 cases of GCTs and 10 cases of Schwannomas were evaluated. RT-qPCR was used to identify a possible NCC developmental phenotype in 6 cases of GCTs. GAP43 was identified as a new NCC marker for GCTs, and some evidence was found for an APC phenotype from CD68 and HLA-DR immunoreactivity. RT-qPCR failed to identify an NCC developmental phenotype of GCTs, likely due to technical issues.
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Liu D, Duan L, Cyster JG. Chemo- and mechanosensing by dendritic cells facilitate antigen surveillance in the spleen. Immunol Rev 2022; 306:25-42. [PMID: 35147233 PMCID: PMC8852366 DOI: 10.1111/imr.13055] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 12/05/2021] [Indexed: 12/30/2022]
Abstract
Spleen dendritic cells (DC) are critical for initiation of adaptive immune responses against blood-borne invaders. Key to DC function is their positioning at sites of pathogen entry, and their abilities to selectively capture foreign antigens and promptly engage T cells. Focusing on conventional DC2 (cDC2), we discuss the contribution of chemoattractant receptors (EBI2 or GPR183, S1PR1, and CCR7) and integrins to cDC2 positioning and function. We give particular attention to a newly identified role in cDC2 for adhesion G-protein coupled receptor E5 (Adgre5 or CD97) and its ligand CD55, detailing how this mechanosensing system contributes to splenic cDC2 positioning and homeostasis. Additional roles of CD97 in the immune system are reviewed. The ability of cDC2 to be activated by circulating missing self-CD47 cells and to integrate multiple red blood cell (RBC)-derived inputs is discussed. Finally, we describe the process of activated cDC2 migration to engage and prime helper T cells. Throughout the review, we consider the insights into cDC function in the spleen that have emerged from imaging studies.
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Affiliation(s)
- Dan Liu
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, California, USA
| | - Lihui Duan
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, California, USA
| | - Jason G Cyster
- Howard Hughes Medical Institute and Department of Microbiology and Immunology, University of California, San Francisco, California, USA
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Definition of a mouse microglial subset that regulates neuronal development and proinflammatory responses in the brain. Proc Natl Acad Sci U S A 2022; 119:2116241119. [PMID: 35177477 PMCID: PMC8872761 DOI: 10.1073/pnas.2116241119] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2021] [Indexed: 12/26/2022] Open
Abstract
Expression of Itgax (encoding the CD11c surface protein) and Spp1 (encoding osteopontin; OPN) has been associated with activated microglia that can develop in healthy brains and some neuroinflammatory disorders. However, whether CD11c and OPN expression is a consequence of microglial activation or represents a portion of the genetic program expressed by a stable microglial subset is unknown. Here, we show that OPN production in the brain is confined to a small CD11c+ microglial subset that differentiates from CD11c- precursors in perinatal life after uptake of apoptotic neurons. Our analysis suggests that coexpression of OPN and CD11c marks a microglial subset that is expressed at birth and persists into late adult life, independent of environmental activation stimuli. Analysis of the contribution of OPN to the intrinsic functions of this CD11c+ microglial subset indicates that OPN is required for subset stability and the execution of phagocytic and proinflammatory responses, in part through OPN-dependent engagement of the αVβ3-integrin receptor. Definition of OPN-producing CD11c+ microglia as a functional microglial subset provides insight into microglial differentiation in health and disease.
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Yuan P, Zhou Y, Wang Z, Gui L, Ma B. Dendritic cell-targeting chemokines inhibit colorectal cancer progression. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2022; 3:828-840. [PMID: 36654820 PMCID: PMC9834269 DOI: 10.37349/etat.2022.00115] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 10/29/2022] [Indexed: 12/29/2022] Open
Abstract
Aim Recent progress in cancer immunotherapy has shown its promise and prompted researchers to develop novel therapeutic strategies. Dendritic cells (DCs) are professional antigen-presenting cells crucial for initiating adaptive anti-tumor immunity, therefore a promising target for cancer treatment. Here, anti-tumor activities of DC-targeting chemokines were explored in murine colorectal tumor models. Methods The correlation of chemokine messenger RNA (mRNA) expression with DC markers was analyzed using The Cancer Genome Atlas (TCGA) dataset. Murine colorectal tumor cell lines (CT26 and MC38) stably overexpressing mouse C-C motif chemokine ligand 3 (CCL3), CCL19, CCL21, and X-C motif chemokine ligand 1 (XCL1) were established by lentiviral transduction. The effect of chemokines on tumor cell proliferation/survival was evaluated in vitro by cell counting kit-8 (CCK-8) assay and colony formation assay. Syngeneic subcutaneous tumor models were used to study the effects of these chemokines on tumor growth. Ki-67 expression in tumors was examined by immunohistochemistry. Immune cells in the tumor microenvironment (TME) and lymph nodes were analyzed by flow cytometry. Results Expression of the four chemokines was positively correlated with the two DC markers [integrin alpha X (ITGAX) and CLEC9A] in human colorectal tumor samples. Tumoral overexpression of DC-targeting chemokines had little or no effect on tumor cell proliferation/survival in vitro while significantly suppressing tumor growth in vivo. Fluorescence-activated cell sorting (FACS) analysis showed that CCL19, CCL21, and XCL1 boosted the ratios of DCs and T cells in CD45+ leukocytes while CCL3 increased the percentage of CD45+ leukocytes in total cells in MC38 tumor. XCL1 had an additional positive effect on antigen uptake by DCs in the TME and antigen transfer to tumor-draining lymph nodes. Conclusions CCL3, CCL19, CCL21, and XCL1 exhibited potent anti-tumor activities in vivo, although they might differentially regulate immune cells in the TME and antigen transfer to lymph nodes.
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Affiliation(s)
- Pengkun Yuan
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China,Clinical Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China,Zhejiang University–University of Edinburgh (ZJU-UoE) Institute, Zhejiang University School of Medicine, Hangzhou 310058, Zhejiang, China
| | - Yunyi Zhou
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China,Clinical Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Zhixue Wang
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China,Clinical Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Liming Gui
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China,Clinical Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Bin Ma
- School of Biomedical Engineering, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China,Clinical Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China,Correspondence: Bin Ma, School of Biomedical Engineering Med-X Research Institute, Shanghai Jiao Tong University, No. 3 Teaching Building, 1954 Huashan RD, Xuhui District, Shanghai 200030, China.
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40
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Tang Z, Davidson D, Li R, Zhong MC, Qian J, Chen J, Veillette A. Inflammatory macrophages exploit unconventional pro-phagocytic integrins for phagocytosis and anti-tumor immunity. Cell Rep 2021; 37:110111. [PMID: 34910922 DOI: 10.1016/j.celrep.2021.110111] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/14/2021] [Accepted: 11/18/2021] [Indexed: 11/19/2022] Open
Abstract
Blockade of the inhibitory checkpoint SIRPα-CD47 promotes phagocytosis of cancer cells by macrophages and is a promising avenue in anti-cancer therapy. Productive phagocytosis is strictly predicated on co-engagement of pro-phagocytic receptors-namely, Fc receptors (FcRs), integrin CD11b, or SLAMF7-by their ligands on cancer cells. Here, we examine whether additional pro-phagocytic receptors could be harnessed to broaden the scope of phagocytosis. Inflammatory stimuli, including multiple cytokines and Toll-like receptor (TLR) ligands, augment phagocytosis efficiency and fully alleviate the requirement of FcRs, CD11b, and SLAMF7 for phagocytosis. These effects are mediated by the unconventional pro-phagocytic integrins CD11a and CD11c, which act with CD18 to initiate actin polarization, leading to phagocytosis. Some inflammatory stimuli enable phagocytosis even in the absence of SIRPα-CD47 blockade. Higher CD11c expression in macrophage-enriched tumors correlates with improved survival in clinical studies. Thus, inflammatory macrophages exploit unconventional pro-phagocytic integrins for improved phagocytosis and anti-tumor immunity.
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Affiliation(s)
- Zhenghai Tang
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Dominique Davidson
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Rui Li
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada
| | - Ming-Chao Zhong
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jin Qian
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada
| | - Jun Chen
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China.
| | - André Veillette
- Laboratory of Molecular Oncology, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC H2W 1R7, Canada; Department of Medicine, McGill University, Montréal, QC H3G 1Y6, Canada; Department of Medicine, University of Montréal, Montréal, QC H3C 3J7, Canada.
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41
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Srinivasan S, Elizabeth Babensee J. Dendritic cells support a proliferative antigen-specific T-cell response in the presence of poly(lactic-co-glycolic acid). J Biomed Mater Res A 2021; 109:2269-2279. [PMID: 33960123 PMCID: PMC11246169 DOI: 10.1002/jbm.a.37211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 04/15/2021] [Accepted: 04/23/2021] [Indexed: 12/31/2022]
Abstract
Biomaterials are known to modulate immune cell functions, which subsequently determine the host inflammatory and immune responses. Poly(lactic-co-glycolic acid) or PLGA, a biodegradable and biocompatible biomaterial, induces a pro-inflammatory, mature phenotype in antigen presentation cells, namely dendritic cells (DCs) in vitro. In vivo, PLGA can boost the humoral immune response to a co-delivered model antigen, a phenomenon known as the PLGA-adjuvant effect. This study elucidates the link between PLGA's effect on the DC phenotype in vitro and its adjuvant effect in vivo using the CD11c-DTR mouse model. These mice undergo conditional ablation of DCs upon treatment with diphtheria toxin. To measure immune activation, the mice were first given ovalbumin (OVA)-reactive T cells from OT-II/OT-I mice. Later, the same mice received subcutaneous OVA-loaded PLGA scaffold implants. In response to the scaffold implants, OVA-reactive OT-II CD4+ T cells showed decreased proliferation in the absence of CD11c+ DCs, indicating an attenuation of the PLGA-adjuvant effect. Furthermore, PLGA may also influence the antigen cross-presentation function of DCs, as evident with the lowered OVA-reactive OT-I CD8+ T-cell response. Understanding the immunomodulatory ability of biomaterials in the context of DCs will aid in designing improved DC-based immunotherapies against infectious diseases and cancer.
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Affiliation(s)
- Sangeetha Srinivasan
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA
| | - Julia Elizabeth Babensee
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia, USA
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Lam LKM, Murphy S, Kokkinaki D, Venosa A, Sherrill-Mix S, Casu C, Rivella S, Weiner A, Park J, Shin S, Vaughan AE, Hahn BH, Odom John AR, Meyer NJ, Hunter CA, Worthen GS, Mangalmurti NS. DNA binding to TLR9 expressed by red blood cells promotes innate immune activation and anemia. Sci Transl Med 2021; 13:eabj1008. [PMID: 34669439 DOI: 10.1126/scitranslmed.abj1008] [Citation(s) in RCA: 89] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- L K Metthew Lam
- Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Sophia Murphy
- Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Dimitra Kokkinaki
- Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Alessandro Venosa
- Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT 84112, USA
| | - Scott Sherrill-Mix
- Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Microbiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Carla Casu
- Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Stefano Rivella
- Division of Hematology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Aaron Weiner
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104, USA
| | - Jeongho Park
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104, USA
| | - Sunny Shin
- Department of Microbiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Andrew E Vaughan
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104, USA
| | - Beatrice H Hahn
- Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Microbiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Audrey R Odom John
- Division of Infectious Diseases, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Nuala J Meyer
- Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Christopher A Hunter
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA 19104, USA.,Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - G Scott Worthen
- Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.,Division of Neonatalogy, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Nilam S Mangalmurti
- Division of Pulmonary, Allergy and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.,Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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Jin R, Hao J, Yi Y, Sauter E, Li B. Regulation of macrophage functions by FABP-mediated inflammatory and metabolic pathways. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:158964. [PMID: 33984518 PMCID: PMC8169605 DOI: 10.1016/j.bbalip.2021.158964] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/15/2022]
Abstract
Macrophages are almost everywhere in the body, where they serve pivotal functions in maintaining tissue homeostasis, remodeling, and immunoregulation. Macrophages are traditionally thought to differentiate from bone marrow-derived hematopoietic stem cells (HSCs). Emerging studies suggest that some tissue macrophages at steady state originate from embryonic precursors in the yolk sac or fetal liver and are maintained in situ by self-renewal, but bone marrow-derived monocytes can give rise to tissue macrophages in pathogenic settings, such as inflammatory injuries and cancer. Macrophages are popularly classified as Th1 cytokine (e.g. IFNγ)-activated M1 macrophages (the classical activation) or Th2 cytokine (e.g. IL-4)-activated M2 macrophages (the alternative activation). However, given the myriad arrays of stimuli macrophages may encounter from local environment, macrophages exhibit notorious heterogeneity in their phenotypes and functions. Determining the underlying metabolic pathways engaged during macrophage activation is critical for understanding macrophage phenotypic and functional adaptivity under different disease settings. Fatty acid binding proteins (FABPs) represent a family of evolutionarily conserved proteins facilitating lipid transport, metabolism and responses inside cells. More specifically, adipose-FABP (A-FABP) and epidermal-FABP (E-FABP) are highly expressed in macrophages and play a central role in integrating metabolic and inflammatory pathways. In this review we highlight how A-FABP and E-FABP are respectively upregulated in different subsets of activated macrophages and provide a unique perspective in defining macrophage phenotypic and functional heterogeneity through FABP-regulated lipid metabolic and inflammatory pathways.
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Affiliation(s)
- Rong Jin
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA; Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
| | - Jiaqing Hao
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA
| | - Yanmei Yi
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA; School of Basic Medical Sciences, Guangdong Medical University, Zhanjiang, China
| | - Edward Sauter
- Division of Cancer Prevention, NIH/NCI, Bethesda, MD, USA
| | - Bing Li
- Department of Microbiology and Immunology, University of Louisville, Louisville, KY, USA.
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Guo L, Wei RX, Sun R, Yang Q, Li GJ, Wang LY, Luo HB, Feng M. "Cytokine-microfactories" recruit DCs and deliver tumor antigens via gap junctions for immunotherapy. J Control Release 2021; 337:417-430. [PMID: 34324896 DOI: 10.1016/j.jconrel.2021.07.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 07/07/2021] [Accepted: 07/23/2021] [Indexed: 01/13/2023]
Abstract
The majority (~80%) of patients with cancer do not derive clinical benefit from current immunotherapy, largely due to attenuation of immune responses imposed by robust immunosuppression at tumor sites. Here, a cell-based tumor antigen delivery strategy was developed to boost tumor-specific immunity. Notably, the platform constructing ferric oxide nanoparticle-trained macrophages loading tumor antigens (MFe-N) acquired an immunostimulatory program and functioned as the tumoritropic "cytokine-microfactories" to sustainably produce high levels of multiple therapeutic cytokines (GM-CSF, TNFα, and MIP-1α), which are important in activation of immune cells with antitumor potential. Indeed, MFe-N markedly enhanced recruitment of the professional antigen-presenting cells, dendritic cells (DCs), to the tumor sites of an established B16F10 mouse melanoma model. Subsequently, MFe-N effectively delivered tumor antigens to DCs by gap junction-mediated cell-to-cell transmission. And this trafficking was critical for DC maturation to augment antitumor T-cell responses. Simultaneously, the "cytokine-microfactories" elicited high production of the tumoricidal effectors, and in turn blunted the pro-angiogenic activity of tumor-associated macrophages, resulting in conversion of the tumor-supporting milieu to a tumoricidal function that favored infiltration of antitumor T-cells. The findings provided a novel "cytokine-microfactories" harnessing effective delivery of tumor antigens and production of therapeutic cytokines to robustly promote antigen presentation and reshape the tumor immune milieu for priming antitumor immunity. This can enhance existing T-cell mediated immunotherapeutic potency and extend the curative potential immunotherapy to a broader range of patients.
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Affiliation(s)
- Ling Guo
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China
| | - Run-Xiu Wei
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China
| | - Ran Sun
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China
| | - Qiang Yang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China
| | - Gao-Jie Li
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China
| | - Ling-Yun Wang
- Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, PR China.
| | - Hai-Bin Luo
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China.
| | - Min Feng
- School of Pharmaceutical Sciences, Sun Yat-Sen University, University Town, Guangzhou 510006, PR China.
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Brückner M, Simon J, Landfester K, Mailänder V. The conjugation strategy affects antibody orientation and targeting properties of nanocarriers. NANOSCALE 2021; 13:9816-9824. [PMID: 34031680 DOI: 10.1039/d0nr08191d] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Antibody-modified drug delivery systems in the nano-range have the ability to overcome current challenges for treating diseases due to their high specificity towards the targeted body region. However, no antibody-bound nanocarrier has been clinically approved to date. This missing clinical approval may be a result of the conjugation strategy that influences the spatial orientation of the attached antibody on the nanocarriers' surface. What is not missing, however, is a diverse selection of antibody to nanocarrier conjugation strategies that determine the success of an antibody functionalized drug delivery system. In this paper, two antibody conjugation strategies were compared by conjugating the surface of cross-linked starch iron oxide nanocarriers with specifically modified CD11c monoclonal antibodies. The antibody nanocarrier conjugates, synthesized either by the chemistry of thiol-maleimide coupling or copper-free click chemistry, were analyzed by flow cytometry to determine their binding affinity towards a murine dendritic cell line (DC2.4). In the cell uptake, different antibody amounts on the nanocarrier could induce a dendritic cell uptake for both conjugation strategies. However, blocking experiments further highlighted the importance of the orientation of the antibody on to the nanocarriers' surface. While the antibodies which were attached via the copper-free click chemistry were oriented, maleimide synthesized conjugates presented their antibodies randomly on the surface. Lastly, to evaluate the in vivo properties of the antibody modified nanocarriers, targeting experiments with mouse plasma were performed, and it was proven that the biomolecular corona does not diminish the targeting efficiency.
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Affiliation(s)
- Maximilian Brückner
- Dermatology Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstr. 1, 55131 Mainz, Germany.
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Wang Q, Su X, He Y, Wang M, Yang D, Zhang R, Wei J, Ma Q, Zhai W, Pang A, Huang Y, Feng S, Ballantyne CM, Wu H, Pei X, Feng X, Han M, Jiang E. CD11c participates in triggering acute graft-versus-host disease during bone marrow transplantation. Immunology 2021; 164:148-160. [PMID: 33934334 PMCID: PMC8358721 DOI: 10.1111/imm.13350] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 04/15/2021] [Accepted: 04/15/2021] [Indexed: 12/22/2022] Open
Abstract
CD11c is a canonical dendritic cell (DC) marker with poorly defined functions in the immune system. Here, we found that blocking CD11c on human peripheral blood mononuclear cell‐derived DCs (MoDCs) inhibited the proliferation of CD4+ T cells and the differentiation into IFN‐γ‐producing T helper 1 (Th1) cells, which were critical in acute graft‐versus‐host disease (aGVHD) pathogenesis. Using allogeneic bone marrow transplantation (allo‐BMT) murine models, we consistently found that CD11c‐deficient recipient mice had alleviated aGVHD symptoms for the decreased IFN‐γ‐expressing CD4+ Th1 cells and CD8+ T cells. Transcriptional analysis showed that CD11c participated in several immune regulation functions including maintaining antigen presentation of APCs. CD11c‐deficient bone marrow‐derived DCs (BMDCs) impaired the antigen presentation function in coculture assay. Mechanistically, CD11c interacted with MHCII and Hsp90 and participated in the phosphorylation of Akt and Erk1/2 in DCs after multiple inflammatory stimulations. Therefore, CD11c played crucial roles in triggering aGVHD and might serve as a potential target for the prevention and treatment of aGVHD.
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Affiliation(s)
- Qianqian Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Xiuhua Su
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yi He
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Mei Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Donglin Yang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Rongli Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Jialin Wei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Qiaoling Ma
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Weihua Zhai
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Aiming Pang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Yong Huang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Sizhou Feng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | | | - Huaizhu Wu
- Department of Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Xiaolei Pei
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Xiaoming Feng
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Mingzhe Han
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Erlie Jiang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
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CD11c regulates hematopoietic stem and progenitor cells under stress. Blood Adv 2021; 4:6086-6097. [PMID: 33351105 DOI: 10.1182/bloodadvances.2020002504] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 11/09/2020] [Indexed: 12/28/2022] Open
Abstract
β2 integrins are well-known leukocyte adhesion molecules consisting of 4 members: CD11a-d. Their known biological functions range widely from leukocyte recruitment, phagocytosis, to immunological synapse formation, but the studies have been primarily focused on CD11a and CD11b. CD11c is 1 of the 4 members and is extremely homologous to CD11b. It has been well known as a dendritic cell marker, but the characterization of its function has been limited. We found that CD11c was expressed on the short-term hematopoietic stem cells and multipotent progenitor cells. The lack of CD11c did not affect the number of hematopoietic stem and progenitor cells (HSPCs) in healthy CD11c knockout mice. Different from other β2 integrin members, however, CD11c deficiency was associated with increased apoptosis and significant loss of HSPCs in sepsis and bone marrow transplantation. Although integrins are generally known for their overlapping and redundant roles, we showed that CD11c had a distinct role of regulating the expansion of HSPCs under stress. This study shows that CD11c, a well-known dendritic cell marker, is expressed on HSPCs and serves as their functional regulator. CD11c deficiency leads to the loss of HSPCs via apoptosis in sepsis and bone marrow transplantation.
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Sun H, Zhi K, Hu L, Fan Z. The Activation and Regulation of β2 Integrins in Phagocytes and Phagocytosis. Front Immunol 2021; 12:633639. [PMID: 33868253 PMCID: PMC8044391 DOI: 10.3389/fimmu.2021.633639] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 03/11/2021] [Indexed: 01/10/2023] Open
Abstract
Phagocytes, which include neutrophils, monocytes, macrophages, and dendritic cells, protect the body by removing foreign particles, bacteria, and dead or dying cells. Phagocytic integrins are greatly involved in the recognition of and adhesion to specific antigens on cells and pathogens during phagocytosis as well as the recruitment of immune cells. β2 integrins, including αLβ2, αMβ2, αXβ2, and αDβ2, are the major integrins presented on the phagocyte surface. The activation of β2 integrins is essential to the recruitment and phagocytic function of these phagocytes and is critical for the regulation of inflammation and immune defense. However, aberrant activation of β2 integrins aggravates auto-immune diseases, such as psoriasis, arthritis, and multiple sclerosis, and facilitates tumor metastasis, making them double-edged swords as candidates for therapeutic intervention. Therefore, precise regulation of phagocyte activities by targeting β2 integrins should promote their host defense functions with minimal side effects on other cells. Here, we reviewed advances in the regulatory mechanisms underlying β2 integrin inside-out signaling, as well as the roles of β2 integrin activation in phagocyte functions.
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Affiliation(s)
- Hao Sun
- Department of Medicine, University of California, San Diego, La Jolla, CA, United States
| | - Kangkang Zhi
- Department of Vascular Surgery, Changzheng Hospital, Shanghai, China
| | - Liang Hu
- Department of Cardiology, Cardiovascular Institute of Zhengzhou University, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhichao Fan
- Department of Immunology, School of Medicine, UConn Health, Farmington, CT, United States
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Ichinose M, Suzuki N, Wang T, Wright JA, Lannagan TRM, Vrbanac L, Kobayashi H, Gieniec K, Ng JQ, Ihara S, Mavrangelos C, Hayakawa Y, Hughes P, Worthley DL, Woods SL. Delineating proinflammatory microenvironmental signals by ex vivo modeling of the immature intestinal stroma. Sci Rep 2021; 11:7200. [PMID: 33785826 PMCID: PMC8010037 DOI: 10.1038/s41598-021-86675-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 02/25/2021] [Indexed: 11/16/2022] Open
Abstract
The intestinal stroma provides an important microenvironment for immune cell activation. The perturbation of this tightly regulated process can lead to excessive inflammation. We know that upregulated Toll-like receptor 4 (TLR4) in the intestinal epithelium plays a key role in the inflammatory condition of preterm infants, such as necrotizing enterocolitis (NEC). However, the surrounding stromal contribution to excessive inflammation in the pre-term setting awaits careful dissection. Ex vivo co-culture of embryonic day 14.5 (E14.5) or adult murine intestinal stromal cells with exogenous monocytes was undertaken. We also performed mRNAseq analysis of embryonic and adult stromal cells treated with vehicle control or lipopolysaccharide (LPS), followed by pathway and network analyses of differentially regulated transcripts. Cell characteristics were compared using flow cytometry and pHrodo red phagocytic stain, candidate gene analysis was performed via siRNA knockdown and gene expression measured by qPCR and ELISA. Embryonic stromal cells promote the differentiation of co-cultured monocytes to CD11bhighCD11chigh mononuclear phagocytes, that in turn express decreased levels of CD103. Global mRNAseq analysis of stromal cells following LPS stimulation identified TLR signaling components as the most differentially expressed transcripts in the immature compared to adult setting. We show that CD14 expressed by CD11b+CD45+ embryonic stromal cells is a key inducer of TLR mediated inflammatory cytokine production and phagocytic activity of monocyte derived cells. We utilise transcriptomic analyses and functional ex vivo modelling to improve our understanding of unique molecular cues provided by the immature intestinal stroma.
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Affiliation(s)
- Mari Ichinose
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Nobumi Suzuki
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
- Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Tongtong Wang
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Josephine A Wright
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Tamsin R M Lannagan
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Laura Vrbanac
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Hiroki Kobayashi
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Krystyna Gieniec
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Jia Q Ng
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Souzaburo Ihara
- Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Chris Mavrangelos
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Yoku Hayakawa
- Department of Gastroenterology, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Patrick Hughes
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Daniel L Worthley
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia
| | - Susan L Woods
- School of Medicine, University of Adelaide, Adelaide, SA, 5000, Australia.
- South Australian Health and Medical Research Institute, Adelaide, SA, 5000, Australia.
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50
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Kim EJ, Kim JY, Choi HY, Lee H, Lee J, Kim MS, Kim YS, Huh KH, Kim BS. Systemic Immunomodulatory Effects of Combinatorial Treatment of Thalidomide and Dexamethasone on T Cells and Other Immune Cells. Yonsei Med J 2021; 62:137-148. [PMID: 33527793 PMCID: PMC7859687 DOI: 10.3349/ymj.2021.62.2.137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 12/04/2020] [Accepted: 12/09/2020] [Indexed: 11/27/2022] Open
Abstract
PURPOSE In organ transplantation, the need for immune modulation rather than immune suppression has been emphasized. In this study, we investigated whether combinatorial treatments of with thalidomide (TM) and dexamethasone (DX) might be new approaches to induce systemic immunomodulation on T cells and other immune cells that regulate the expression of co-inhibitory molecules. MATERIALS AND METHODS Naïve splenic T cells from C57BL/6 mice were sort-purified and cultured in vitro for CD4+ T cell proliferation and regulatory T cell (Treg) conversion in the presence of TM or/and DX. Expression of cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) and programmed death-1 (PD-1) in proliferated and converted T cells was quantified by flow cytometry. We also quantified in vivo expression of CTLA-4 and PD-1 on splenic CD4+ T cells and other immune cells isolated from TM- or/and DX-treated mice. Mixed lymphocytes reactions (MLR) were performed to evaluate the capacity of immune cells in carrying out immune responses. RESULTS CTLA-4 expressions in effector T cells in vivo and in Tregs in vivo/vitro significantly increased upon TM/DX combinatorial treatment. Corresponding to increased CTLA-4 expression in T cells, the expression of ligand molecules for CTLA-4 significantly increased in splenic dendritic cells in TM/DX-treated groups. In addition, MLR results demonstrated that splenocytes isolated from TM/DX-treated mice significantly suppressed the proliferation of T cells isolated from other strains. CONCLUSION Based on these results, we suggest that TM/DX combinatorial treatments might be efficient immunomodulatory methods for regulating T cell immunity.
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Affiliation(s)
- Eun Jee Kim
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul, Korea
| | - Joon Ye Kim
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
| | - Hoon Young Choi
- Division of Nephrology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Hyojung Lee
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
| | - Juhan Lee
- Department of Transplantation Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Myoung Soo Kim
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
- Department of Transplantation Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Yu Seun Kim
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
- Department of Transplantation Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Kyu Ha Huh
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
- Department of Transplantation Surgery, Yonsei University College of Medicine, Seoul, Korea.
| | - Beom Seok Kim
- The Research Institute for Transplantation, Yonsei University College of Medicine, Seoul, Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul, Korea
- Division of Nephrology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
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