1
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Yu W, Truong NTH, Polara R, Gargett T, Tea MN, Pitson SM, Cockshell MP, Bonder CS, Ebert LM, Brown MP. Endogenous bystander killing mechanisms enhance the activity of novel FAP-specific CAR-T cells against glioblastoma. Clin Transl Immunology 2024; 13:e1519. [PMID: 38975278 PMCID: PMC11225608 DOI: 10.1002/cti2.1519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 07/09/2024] Open
Abstract
Objectives CAR-T cells are being investigated as a novel immunotherapy for glioblastoma, but clinical success has been limited. We recently described fibroblast activation protein (FAP) as an ideal target antigen for glioblastoma immunotherapy, with expression on both tumor cells and tumor blood vessels. However, CAR-T cells targeting FAP have never been investigated as a therapy for glioblastoma. Methods We generated a novel FAP targeting CAR with CD3ζ and CD28 signalling domains and tested the resulting CAR-T cells for their lytic activity and cytokine secretion function in vitro (using real-time impedance, flow cytometry, imaging and bead-based cytokine assays), and in vivo (using a xenograft mimicking the natural heterogeneity of human glioblastoma). Results FAP-CAR-T cells exhibited target specificity against model cell lines and potent cytotoxicity against patient-derived glioma neural stem cells, even when only a subpopulation expressed FAP, indicating a bystander killing mechanism. Using co-culture assays, we confirmed FAP-CAR-T cells mediate bystander killing of antigen-negative tumor cells, but only after activation by FAP-positive target cells. This bystander killing was at least partially mediated by soluble factors and amplified by IL-2 which activated the non-transduced fraction of the CAR-T product. Finally, a low dose of intravenously administered FAP-CAR-T cells controlled, without overt toxicity, the growth of subcutaneous tumors created using a mixture of antigen-negative and antigen-positive glioblastoma cells. Conclusions Our findings advance FAP as a leading candidate for clinical CAR-T therapy of glioblastoma and highlight under-recognised antigen nonspecific mechanisms that may contribute meaningfully to the antitumor activity of CAR-T cells.
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Affiliation(s)
- Wenbo Yu
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Cancer Clinical Trials UnitRoyal Adelaide HospitalAdelaideSAAustralia
| | - Nga TH Truong
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Cancer Clinical Trials UnitRoyal Adelaide HospitalAdelaideSAAustralia
| | - Ruhi Polara
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
| | - Tessa Gargett
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Cancer Clinical Trials UnitRoyal Adelaide HospitalAdelaideSAAustralia
- Adelaide Medical SchoolThe University of AdelaideAdelaideSAAustralia
| | - Melinda N Tea
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
| | - Stuart M Pitson
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Adelaide Medical SchoolThe University of AdelaideAdelaideSAAustralia
| | - Michaelia P Cockshell
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
| | - Claudine S Bonder
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Adelaide Medical SchoolThe University of AdelaideAdelaideSAAustralia
| | - Lisa M Ebert
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Cancer Clinical Trials UnitRoyal Adelaide HospitalAdelaideSAAustralia
- Adelaide Medical SchoolThe University of AdelaideAdelaideSAAustralia
| | - Michael P Brown
- Centre for Cancer BiologySA Pathology and University of South AustraliaAdelaideSAAustralia
- Cancer Clinical Trials UnitRoyal Adelaide HospitalAdelaideSAAustralia
- Adelaide Medical SchoolThe University of AdelaideAdelaideSAAustralia
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2
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Geels SN, Moshensky A, Sousa RS, Murat C, Bustos MA, Walker BL, Singh R, Harbour SN, Gutierrez G, Hwang M, Mempel TR, Weaver CT, Nie Q, Hoon DSB, Ganesan AK, Othy S, Marangoni F. Interruption of the intratumor CD8 + T cell:Treg crosstalk improves the efficacy of PD-1 immunotherapy. Cancer Cell 2024; 42:1051-1066.e7. [PMID: 38861924 DOI: 10.1016/j.ccell.2024.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 02/28/2024] [Accepted: 05/14/2024] [Indexed: 06/13/2024]
Abstract
PD-1 blockade unleashes potent antitumor activity in CD8+ T cells but can also promote immunosuppressive T regulatory (Treg) cells, which may worsen the response to immunotherapy. Tumor-Treg inhibition is a promising strategy to improve the efficacy of checkpoint blockade immunotherapy; however, our understanding of the mechanisms supporting tumor-Tregs during PD-1 immunotherapy is incomplete. Here, we show that PD-1 blockade increases tumor-Tregs in mouse models of melanoma and metastatic melanoma patients. Mechanistically, Treg accumulation is not caused by Treg-intrinsic inhibition of PD-1 signaling but depends on an indirect effect of activated CD8+ T cells. CD8+ T cells produce IL-2 and colocalize with Tregs in mouse and human melanomas. IL-2 upregulates the anti-apoptotic protein ICOS on tumor-Tregs, promoting their accumulation. Inhibition of ICOS signaling before PD-1 immunotherapy improves control over immunogenic melanoma. Thus, interrupting the intratumor CD8+ T cell:Treg crosstalk represents a strategy to enhance the therapeutic efficacy of PD-1 immunotherapy.
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Affiliation(s)
- Shannon N Geels
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Alexander Moshensky
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Rachel S Sousa
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Center for Complex Biological Systems, University of California, Irvine, Irvine, CA, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, CA, USA
| | - Claire Murat
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Matias A Bustos
- Department of Translational Molecular Medicine, Saint John's Cancer Institute, Santa Monica, CA, USA
| | - Benjamin L Walker
- Center for Complex Biological Systems, University of California, Irvine, Irvine, CA, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, CA, USA
| | - Rima Singh
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Biological Chemistry, University of California, Irvine, Irvine, CA, USA
| | - Stacey N Harbour
- Department of Pathology, University of Alabama, Birmingham, Birmingham, AL, USA
| | - Giselle Gutierrez
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA
| | - Michael Hwang
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Thorsten R Mempel
- Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Casey T Weaver
- Department of Pathology, University of Alabama, Birmingham, Birmingham, AL, USA
| | - Qing Nie
- Center for Complex Biological Systems, University of California, Irvine, Irvine, CA, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, CA, USA; Department of Developmental and Cell Biology, University of California, Irvine, Irvine, CA, USA
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, Saint John's Cancer Institute, Santa Monica, CA, USA
| | - Anand K Ganesan
- Department of Dermatology, University of California, Irvine, Irvine, CA, USA
| | - Shivashankar Othy
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA
| | - Francesco Marangoni
- Institute for Immunology, University of California, Irvine, Irvine, CA, USA; Department of Physiology and Biophysics, University of California, Irvine, Irvine, CA, USA.
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3
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Blise KE, Sivagnanam S, Betts CB, Betre K, Kirchberger N, Tate BJ, Furth EE, Dias Costa A, Nowak JA, Wolpin BM, Vonderheide RH, Goecks J, Coussens LM, Byrne KT. Machine Learning Links T-cell Function and Spatial Localization to Neoadjuvant Immunotherapy and Clinical Outcome in Pancreatic Cancer. Cancer Immunol Res 2024; 12:544-558. [PMID: 38381401 PMCID: PMC11065586 DOI: 10.1158/2326-6066.cir-23-0873] [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: 10/24/2023] [Revised: 01/12/2024] [Accepted: 02/19/2024] [Indexed: 02/22/2024]
Abstract
Tumor molecular data sets are becoming increasingly complex, making it nearly impossible for humans alone to effectively analyze them. Here, we demonstrate the power of using machine learning (ML) to analyze a single-cell, spatial, and highly multiplexed proteomic data set from human pancreatic cancer and reveal underlying biological mechanisms that may contribute to clinical outcomes. We designed a multiplex immunohistochemistry antibody panel to compare T-cell functionality and spatial localization in resected tumors from treatment-naïve patients with localized pancreatic ductal adenocarcinoma (PDAC) with resected tumors from a second cohort of patients treated with neoadjuvant agonistic CD40 (anti-CD40) monoclonal antibody therapy. In total, nearly 2.5 million cells from 306 tissue regions collected from 29 patients across both cohorts were assayed, and over 1,000 tumor microenvironment (TME) features were quantified. We then trained ML models to accurately predict anti-CD40 treatment status and disease-free survival (DFS) following anti-CD40 therapy based on TME features. Through downstream interpretation of the ML models' predictions, we found anti-CD40 therapy reduced canonical aspects of T-cell exhaustion within the TME, as compared with treatment-naïve TMEs. Using automated clustering approaches, we found improved DFS following anti-CD40 therapy correlated with an increased presence of CD44+CD4+ Th1 cells located specifically within cellular neighborhoods characterized by increased T-cell proliferation, antigen experience, and cytotoxicity in immune aggregates. Overall, our results demonstrate the utility of ML in molecular cancer immunology applications, highlight the impact of anti-CD40 therapy on T cells within the TME, and identify potential candidate biomarkers of DFS for anti-CD40-treated patients with PDAC.
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Affiliation(s)
- Katie E. Blise
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, OR USA
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
| | - Shamilene Sivagnanam
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Courtney B. Betts
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
- Current affiliation: Akoya Biosciences, 100 Campus Drive, 6 Floor, Marlborough, MA USA
| | - Konjit Betre
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Nell Kirchberger
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Benjamin J. Tate
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Immune Monitoring and Cancer Omics Services, Oregon Health & Science University, Portland, OR USA
| | - Emma E. Furth
- Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Andressa Dias Costa
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA USA
| | - Jonathan A. Nowak
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA USA
| | - Brian M. Wolpin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA USA
| | - Robert H. Vonderheide
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Parker Institute for Cancer Immunotherapy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Jeremy Goecks
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, OR USA
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Current affiliation: Department of Machine Learning, H. Lee Moffitt Cancer Center, Tampa, FL USA
- Current affiliation: Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center, Tampa, FL USA
| | - Lisa M. Coussens
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Katelyn T. Byrne
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
- Lead contact: Katelyn T. Byrne, Department of Cell, Developmental and Cancer Biology, RLSB 6N032 Mail Code CL6C, 2730 S. Moody Ave, Portland, OR 97201
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Cruz de Casas P, Knöpper K, Dey Sarkar R, Kastenmüller W. Same yet different - how lymph node heterogeneity affects immune responses. Nat Rev Immunol 2024; 24:358-374. [PMID: 38097778 DOI: 10.1038/s41577-023-00965-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 05/04/2024]
Abstract
Lymph nodes are secondary lymphoid organs in which immune responses of the adaptive immune system are initiated and regulated. Distributed throughout the body and embedded in the lymphatic system, local lymph nodes are continuously informed about the state of the organs owing to a constant drainage of lymph. The tissue-derived lymph carries products of cell metabolism, proteins, carbohydrates, lipids, pathogens and circulating immune cells. Notably, there is a growing body of evidence that individual lymph nodes differ from each other in their capacity to generate immune responses. Here, we review the structure and function of the lymphatic system and then focus on the factors that lead to functional heterogeneity among different lymph nodes. We will discuss how lymph node heterogeneity impacts on cellular and humoral immune responses and the implications for vaccination, tumour development and tumour control by immunotherapy.
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Affiliation(s)
- Paulina Cruz de Casas
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Konrad Knöpper
- Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, USA
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, USA
| | - Rupak Dey Sarkar
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Wolfgang Kastenmüller
- Max Planck Research Group, Würzburg Institute of Systems Immunology, Julius-Maximilians-Universität Würzburg, Würzburg, Germany.
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5
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Wolf SP, Anastasopoulou V, Drousch K, Diehl MI, Engels B, Yew PY, Kiyotani K, Nakamura Y, Schreiber K, Schreiber H, Leisegang M. One CD4+TCR and One CD8+TCR Targeting Autochthonous Neoantigens Are Essential and Sufficient for Tumor Eradication. Clin Cancer Res 2024; 30:1642-1654. [PMID: 38190111 PMCID: PMC11018470 DOI: 10.1158/1078-0432.ccr-23-2905] [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: 09/23/2023] [Revised: 11/24/2023] [Accepted: 01/04/2024] [Indexed: 01/09/2024]
Abstract
PURPOSE To achieve eradication of solid tumors, we examined how many neoantigens need to be targeted with how many T-cell receptors (TCR) by which type of T cells. EXPERIMENTAL DESIGN Unmanipulated, naturally expressed (autochthonous) neoantigens were targeted with adoptively transferred TCR-engineered autologous T cells (TCR-therapy). TCR-therapy used CD8+ T-cell subsets engineered with TCRs isolated from CD8+ T cells (CD8+TCR-therapy), CD4+ T-cell subsets engineered with TCRs isolated from CD4+ T cells (CD4+TCR-therapy), or combinations of both. The targeted tumors were established for at least 3 weeks and derived from primary autochthonous cancer cell cultures, resembling natural solid tumors and their heterogeneity as found in humans. RESULTS Relapse was common with CD8+TCR-therapy even when targeting multiple different autochthonous neoantigens on heterogeneous solid tumors. CD8+TCR-therapy was only effective against homogenous tumors artificially derived from a cancer cell clone. In contrast, a combination of CD8+TCR-therapy with CD4+TCR-therapy, each targeting one neoantigen, eradicated large and established solid tumors of natural heterogeneity. CD4+TCR-therapy targeted a mutant neoantigen on tumor stroma while direct cancer cell recognition by CD8+TCR-therapy was essential for cure. In vitro data were consistent with elimination of cancer cells requiring a four-cell cluster composed of TCR-engineered CD4+ and CD8+ T cells together with antigen-presenting cells and cancer cells. CONCLUSIONS Two cancer-specific TCRs can be essential and sufficient to eradicate heterogeneous solid tumors expressing unmanipulated, autochthonous targets. We demonstrate that simplifications to adoptive TCR-therapy are possible without compromising efficacy.
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Affiliation(s)
- Steven P. Wolf
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
- David and Etta Jonas Center for Cellular Therapy, The University of Chicago, Chicago, IL 60637 USA
| | - Vasiliki Anastasopoulou
- Institute of Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), partner site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Kimberley Drousch
- Institute of Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Markus I. Diehl
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
| | - Boris Engels
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
| | - Poh Yin Yew
- Department of Medicine, The University of Chicago, Chicago, IL 60637, USA
| | - Kazuma Kiyotani
- Cancer Precision Medicine Center, Japanese Foundation for Cancer Research, Tokyo 135-8550, Japan
| | - Yusuke Nakamura
- Cancer Precision Medicine Center, Japanese Foundation for Cancer Research, Tokyo 135-8550, Japan
| | - Karin Schreiber
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
- David and Etta Jonas Center for Cellular Therapy, The University of Chicago, Chicago, IL 60637 USA
| | - Hans Schreiber
- Department of Pathology, The University of Chicago, Chicago, IL 60637, USA
- David and Etta Jonas Center for Cellular Therapy, The University of Chicago, Chicago, IL 60637 USA
- Committee on Cancer Biology, Committee on Immunology and the Cancer Center, The University of Chicago, Chicago, IL 60637, USA
- These authors contributed equally as senior authors
| | - Matthias Leisegang
- David and Etta Jonas Center for Cellular Therapy, The University of Chicago, Chicago, IL 60637 USA
- Institute of Immunology, Charité - Universitätsmedizin Berlin, Berlin, Germany
- German Cancer Consortium (DKTK), partner site Berlin, and German Cancer Research Center (DKFZ), Heidelberg, Germany
- These authors contributed equally as senior authors
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6
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Yapp C, Nirmal AJ, Zhou F, Maliga Z, Tefft JB, Llopis PM, Murphy GF, Lian CG, Danuser G, Santagata S, Sorger PK. Multiplexed 3D Analysis of Immune States and Niches in Human Tissue. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.11.10.566670. [PMID: 38014052 PMCID: PMC10680601 DOI: 10.1101/2023.11.10.566670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Tissue homeostasis and the emergence of disease are controlled by changes in the proportions of resident and recruited cells, their organization into cellular neighbourhoods, and their interactions with acellular tissue components. Highly multiplexed tissue profiling (spatial omics)1 makes it possible to study this microenvironment in situ, usually in 4-5 micron thick sections (the standard histopathology format)2. Microscopy-based tissue profiling is commonly performed at a resolution sufficient to determine cell types but not to detect subtle morphological features associated with cytoskeletal reorganisation, juxtracrine signalling, or membrane trafficking3. Here we describe a high-resolution 3D imaging approach able to characterize a wide variety of organelles and structures at sub-micron scale while simultaneously quantifying millimetre-scale spatial features. This approach combines cyclic immunofluorescence (CyCIF) imaging4 of over 50 markers with confocal microscopy of archival human tissue thick enough (30-40 microns) to fully encompass two or more layers of intact cells. 3D imaging of entire cell volumes substantially improves the accuracy of cell phenotyping and allows cell proximity to be scored using plasma membrane apposition, not just nuclear position. In pre-invasive melanoma in situ5, precise phenotyping shows that adjacent melanocytic cells are plastic in state and participate in tightly localised niches of interferon signalling near sites of initial invasion into the underlying dermis. In this and metastatic melanoma, mature and precursor T cells engage in an unexpectedly diverse array of juxtracrine and membrane-membrane interactions as well as looser "neighbourhood" associations6 whose morphologies reveal functional states. These data provide new insight into the transitions occurring during early tumour formation and immunoediting and demonstrate the potential for phenotyping of tissues at a level of detail previously restricted to cultured cells and organoids.
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Affiliation(s)
- Clarence Yapp
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
- Ludwig Centre at Harvard, Harvard Medical School, Boston, MA, 02115, USA
| | - Ajit J. Nirmal
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
- Ludwig Centre at Harvard, Harvard Medical School, Boston, MA, 02115, USA
- Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Felix Zhou
- Lyda Hill Department of Bioinformatics, UT Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Zoltan Maliga
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
| | - Juliann B. Tefft
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
- Ludwig Centre at Harvard, Harvard Medical School, Boston, MA, 02115, USA
| | - Paula Montero Llopis
- Microscopy Resources on the North Quad (MicRoN), Harvard Medical School, Boston, MA 02115, USA
| | - George F. Murphy
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Christine G. Lian
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Gaudenz Danuser
- Lyda Hill Department of Bioinformatics, UT Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Sandro Santagata
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
- Ludwig Centre at Harvard, Harvard Medical School, Boston, MA, 02115, USA
- Department of Pathology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Department of Systems Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
| | - Peter K. Sorger
- Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA, 02115, USA
- Ludwig Centre at Harvard, Harvard Medical School, Boston, MA, 02115, USA
- Department of Systems Biology, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
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7
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Galloway DR, Li J, Nguyen NX, Falkenberg FW, Henning L, Krile R, Chou YL, Herron JN, Hale JS, Williamson ED. Co-formulation of the rF1V plague vaccine with depot-formulated cytokines enhances immunogenicity and efficacy to elicit protective responses against aerosol challenge in mice. Front Immunol 2024; 15:1277526. [PMID: 38605961 PMCID: PMC11007139 DOI: 10.3389/fimmu.2024.1277526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 03/05/2024] [Indexed: 04/13/2024] Open
Abstract
This study evaluated a depot-formulated cytokine-based adjuvant to improve the efficacy of the recombinant F1V (rF1V) plague vaccine and examined the protective response following aerosol challenge in a murine model. The results of this study showed that co-formulation of the Alhydrogel-adsorbed rF1V plague fusion vaccine with the depot-formulated cytokines recombinant human interleukin 2 (rhuIL-2) and/or recombinant murine granulocyte macrophage colony-stimulating factor (rmGM-CSF) significantly enhances immunogenicity and significant protection at lower antigen doses against a lethal aerosol challenge. These results provide additional support for the co-application of the depot-formulated IL-2 and/or GM-CSF cytokines to enhance vaccine efficacy.
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Affiliation(s)
- Darrell R. Galloway
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT, United States
| | - Jiahui Li
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT, United States
| | - Nguyen X. Nguyen
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT, United States
| | | | - Lisa Henning
- Battelle Biomedical Research Center, Columbus, OH, United States
| | - Robert Krile
- Battelle Biomedical Research Center, Columbus, OH, United States
| | - Ying-Liang Chou
- Battelle Biomedical Research Center, Columbus, OH, United States
| | - James N. Herron
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT, United States
| | - J. Scott Hale
- Department of Pathology, Division of Microbiology and Immunology, University of Utah, Salt Lake City, UT, United States
| | - E. Diane Williamson
- Chemical Biological Radiological Division, Defense Science and Technology Laboratory (DSTL), Porton Down, Salisbury, United Kingdom
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8
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Zama N, Toda S. Designer cell therapy for tissue regeneration. Inflamm Regen 2024; 44:15. [PMID: 38491394 PMCID: PMC10941617 DOI: 10.1186/s41232-024-00327-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/06/2024] [Indexed: 03/18/2024] Open
Abstract
Cancer cell therapy, particularly chimeric antigen receptor (CAR) T-cell therapy for blood cancers, has emerged as a powerful new modality for cancer treatment. Therapeutic cells differ significantly from conventional drugs, such as small molecules and biologics, as they possess cellular information processing abilities to recognize and respond to abnormalities in the body. This capability enables the targeted delivery of therapeutic factors to specific locations and times. Various types of designer cells have been developed and tested to overcome the shortcomings of CAR T cells and expand their functions in the treatment of solid tumors. In particular, synthetic receptor technologies are a key to designing therapeutic cells that specifically improve tumor microenvironment. Such technologies demonstrate great potential for medical applications to regenerate damaged tissues as well that are difficult to cure with conventional drugs. In this review, we introduce recent developments in next-generation therapeutic cells for cancer treatment and discuss the application of designer therapeutic cells for tissue regeneration.
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Affiliation(s)
- Noyuri Zama
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa , 920-1192, Japan
- Graduate School of Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa , 920-1192, Japan
| | - Satoshi Toda
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa , 920-1192, Japan.
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9
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Farah EN, Hu RK, Kern C, Zhang Q, Lu TY, Ma Q, Tran S, Zhang B, Carlin D, Monell A, Blair AP, Wang Z, Eschbach J, Li B, Destici E, Ren B, Evans SM, Chen S, Zhu Q, Chi NC. Spatially organized cellular communities form the developing human heart. Nature 2024; 627:854-864. [PMID: 38480880 PMCID: PMC10972757 DOI: 10.1038/s41586-024-07171-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/07/2024] [Indexed: 03/18/2024]
Abstract
The heart, which is the first organ to develop, is highly dependent on its form to function1,2. However, how diverse cardiac cell types spatially coordinate to create the complex morphological structures that are crucial for heart function remains unclear. Here we integrated single-cell RNA-sequencing with high-resolution multiplexed error-robust fluorescence in situ hybridization to resolve the identity of the cardiac cell types that develop the human heart. This approach also provided a spatial mapping of individual cells that enables illumination of their organization into cellular communities that form distinct cardiac structures. We discovered that many of these cardiac cell types further specified into subpopulations exclusive to specific communities, which support their specialization according to the cellular ecosystem and anatomical region. In particular, ventricular cardiomyocyte subpopulations displayed an unexpected complex laminar organization across the ventricular wall and formed, with other cell subpopulations, several cellular communities. Interrogating cell-cell interactions within these communities using in vivo conditional genetic mouse models and in vitro human pluripotent stem cell systems revealed multicellular signalling pathways that orchestrate the spatial organization of cardiac cell subpopulations during ventricular wall morphogenesis. These detailed findings into the cellular social interactions and specialization of cardiac cell types constructing and remodelling the human heart offer new insights into structural heart diseases and the engineering of complex multicellular tissues for human heart repair.
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Affiliation(s)
- Elie N Farah
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Robert K Hu
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Colin Kern
- Center for Epigenomics, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA, USA
| | - Qingquan Zhang
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Ting-Yu Lu
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
| | - Qixuan Ma
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Shaina Tran
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Bo Zhang
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
| | - Daniel Carlin
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Alexander Monell
- Center for Epigenomics, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA, USA
| | - Andrew P Blair
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Zilu Wang
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Jacqueline Eschbach
- Center for Epigenomics, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA, USA
| | - Bin Li
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Eugin Destici
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
| | - Bing Ren
- Center for Epigenomics, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, USA
- Ludwig Institute for Cancer Research, La Jolla, CA, USA
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sylvia M Evans
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA
- Department of Pharmacology, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, USA
| | - Shaochen Chen
- Materials Science and Engineering Program, University of California San Diego, La Jolla, CA, USA
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, USA
- Institute of Engineering in Medicine, University of California San Diego, La Jolla, CA, USA
| | - Quan Zhu
- Center for Epigenomics, Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, CA, USA.
| | - Neil C Chi
- Department of Medicine, Division of Cardiology, University of California San Diego, La Jolla, CA, USA.
- Department of Bioengineering, University of California San Diego, La Jolla, CA, USA.
- Institute for Genomic Medicine, University of California San Diego, La Jolla, CA, USA.
- Institute of Engineering in Medicine, University of California San Diego, La Jolla, CA, USA.
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10
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Winkler I, Tolkachov A, Lammers F, Lacour P, Daugelaite K, Schneider N, Koch ML, Panten J, Grünschläger F, Poth T, Ávila BMD, Schneider A, Haas S, Odom DT, Gonçalves Â. The cycling and aging mouse female reproductive tract at single-cell resolution. Cell 2024; 187:981-998.e25. [PMID: 38325365 DOI: 10.1016/j.cell.2024.01.021] [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: 07/25/2022] [Revised: 04/21/2023] [Accepted: 01/12/2024] [Indexed: 02/09/2024]
Abstract
The female reproductive tract (FRT) undergoes extensive remodeling during reproductive cycling. This recurrent remodeling and how it shapes organ-specific aging remains poorly explored. Using single-cell and spatial transcriptomics, we systematically characterized morphological and gene expression changes occurring in ovary, oviduct, uterus, cervix, and vagina at each phase of the mouse estrous cycle, during decidualization, and into aging. These analyses reveal that fibroblasts play central-and highly organ-specific-roles in FRT remodeling by orchestrating extracellular matrix (ECM) reorganization and inflammation. Our results suggest a model wherein recurrent FRT remodeling over reproductive lifespan drives the gradual, age-related development of fibrosis and chronic inflammation. This hypothesis was directly tested using chemical ablation of cycling, which reduced fibrotic accumulation during aging. Our atlas provides extensive detail into how estrus, pregnancy, and aging shape the organs of the female reproductive tract and reveals the unexpected cost of the recurrent remodeling required for reproduction.
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Affiliation(s)
- Ivana Winkler
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany
| | - Alexander Tolkachov
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Fritjof Lammers
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Perrine Lacour
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany
| | - Klaudija Daugelaite
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany
| | - Nina Schneider
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany
| | - Marie-Luise Koch
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany
| | - Jasper Panten
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany; German Cancer Research Center (DKFZ), Division of Computational Genomics and Systems Genetics, 69120 Heidelberg, Germany
| | - Florian Grünschläger
- Heidelberg University, Faculty of Biosciences, 69117 Heidelberg, Germany; German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Division of Stem Cells and Cancer, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany
| | - Tanja Poth
- CMCP - Center for Model System and Comparative Pathology, Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany
| | | | - Augusto Schneider
- Universidade Federal de Pelotas, Faculdade de Nutrição, 96010-610 Pelotas, RS, Brazil
| | - Simon Haas
- German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Division of Stem Cells and Cancer, 69120 Heidelberg, Germany; Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM gGmbH), 69120 Heidelberg, Germany; Berlin Institute of Health (BIH) at Charité - Universitätsmedizin Berlin, 10117 Berlin, Germany; Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, 10115 Berlin, Germany; German Cancer Consortium (DKTK), 69120 Heidelberg, Germany; Charité - Universitätsmedizin Berlin, Department of Hematology, Oncology and Cancer Immunology, 10115 Berlin, Germany
| | - Duncan T Odom
- German Cancer Research Center (DKFZ), Division of Regulatory Genomics and Cancer Evolution, 69120 Heidelberg, Germany; Cancer Research UK - Cambridge Institute, University of Cambridge, Cambridge, UK.
| | - Ângela Gonçalves
- German Cancer Research Center (DKFZ), Division of Somatic Evolution and Early Detection, 69120 Heidelberg, Germany.
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11
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Jashnsaz H, Neuert G. Phenotypic consequences of logarithmic signaling in MAPK stress response. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.05.570188. [PMID: 38106069 PMCID: PMC10723343 DOI: 10.1101/2023.12.05.570188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
How cells respond to dynamic environmental changes is crucial for understanding fundamental biological processes and cell physiology. In this study, we developed an experimental and quantitative analytical framework to explore how dynamic stress gradients that change over time regulate cellular volume, signaling activation, and growth phenotypes. Our findings reveal that gradual stress conditions substantially enhance cell growth compared to conventional acute stress. This growth advantage correlates with a minimal reduction in cell volume dependent on the dynamic of stress. We explain the growth phenotype with our finding of a logarithmic signal transduction mechanism in the yeast Mitogen-Activated Protein Kinase (MAPK) osmotic stress response pathway. These insights into the interplay between gradual environments, cell volume change, dynamic cell signaling, and growth, advance our understanding of fundamental cellular processes in gradual stress environments.
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Affiliation(s)
- Hossein Jashnsaz
- Department of Molecular Physiology and Biophysics, School of Medicine, Vanderbilt University, Nashville, TN 37232 USA
| | - Gregor Neuert
- Department of Molecular Physiology and Biophysics, School of Medicine, Vanderbilt University, Nashville, TN 37232 USA
- Lead Contact
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12
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Blise KE, Sivagnanam S, Betts CB, Betre K, Kirchberger N, Tate B, Furth EE, Dias Costa A, Nowak JA, Wolpin BM, Vonderheide RH, Goecks J, Coussens LM, Byrne KT. Machine learning links T cell function and spatial localization to neoadjuvant immunotherapy and clinical outcome in pancreatic cancer. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.20.563335. [PMID: 37961410 PMCID: PMC10634700 DOI: 10.1101/2023.10.20.563335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Tumor molecular datasets are becoming increasingly complex, making it nearly impossible for humans alone to effectively analyze them. Here, we demonstrate the power of using machine learning to analyze a single-cell, spatial, and highly multiplexed proteomic dataset from human pancreatic cancer and reveal underlying biological mechanisms that may contribute to clinical outcome. A novel multiplex immunohistochemistry antibody panel was used to audit T cell functionality and spatial localization in resected tumors from treatment-naive patients with localized pancreatic ductal adenocarcinoma (PDAC) compared to a second cohort of patients treated with neoadjuvant agonistic CD40 (αCD40) monoclonal antibody therapy. In total, nearly 2.5 million cells from 306 tissue regions collected from 29 patients across both treatment cohorts were assayed, and more than 1,000 tumor microenvironment (TME) features were quantified. We then trained machine learning models to accurately predict αCD40 treatment status and disease-free survival (DFS) following αCD40 therapy based upon TME features. Through downstream interpretation of the machine learning models' predictions, we found αCD40 therapy to reduce canonical aspects of T cell exhaustion within the TME, as compared to treatment-naive TMEs. Using automated clustering approaches, we found improved DFS following αCD40 therapy to correlate with the increased presence of CD44+ CD4+ Th1 cells located specifically within cellular spatial neighborhoods characterized by increased T cell proliferation, antigen-experience, and cytotoxicity in immune aggregates. Overall, our results demonstrate the utility of machine learning in molecular cancer immunology applications, highlight the impact of αCD40 therapy on T cells within the TME, and identify potential candidate biomarkers of DFS for αCD40-treated patients with PDAC.
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Affiliation(s)
- Katie E. Blise
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, OR USA
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
| | - Shamilene Sivagnanam
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Courtney B. Betts
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
- Current affiliation: Akoya Biosciences, 100 Campus Drive, 6th Floor, Marlborough, MA USA
| | - Konjit Betre
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Nell Kirchberger
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Benjamin Tate
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Immune Monitoring and Cancer Omics Services, Oregon Health & Science University, Portland, OR USA
| | - Emma E. Furth
- Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA USA
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Andressa Dias Costa
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA USA
| | - Jonathan A. Nowak
- Department of Pathology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA USA
| | - Brian M. Wolpin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA USA
| | - Robert H. Vonderheide
- Abramson Cancer Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
- Parker Institute for Cancer Immunotherapy, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA
| | - Jeremy Goecks
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, OR USA
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Current affiliation: Department of Machine Learning, H. Lee Moffitt Cancer Center, Tampa, FL USA
- Current affiliation: Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center, Tampa, FL USA
| | - Lisa M. Coussens
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
| | - Katelyn T. Byrne
- The Knight Cancer Institute, Oregon Health & Science University, Portland, OR USA
- Department of Cell, Developmental & Cancer Biology, Oregon Health & Science University, Portland, OR USA
- Lead contact
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13
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Abstract
Animal tissues are made up of multiple cell types that are increasingly well-characterized, yet our understanding of the core principles that govern tissue organization is still incomplete. This is in part because many observable tissue characteristics, such as cellular composition and spatial patterns, are emergent properties, and as such, they cannot be explained through the knowledge of individual cells alone. Here we propose a complex systems theory perspective to address this fundamental gap in our understanding of tissue biology. We introduce the concept of cell categories, which is based on cell relations rather than cell identity. Based on these notions we then discuss common principles of tissue modularity, introducing compositional, structural, and functional tissue modules. Cell diversity and cell relations provide a basis for a new perspective on the underlying principles of tissue organization in health and disease.
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Affiliation(s)
- Miri Adler
- Tananbaum Center for Theoretical and Analytical Human Biology, Yale University School of Medicine, New Haven, Connecticut, USA;
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Arun R Chavan
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Ruslan Medzhitov
- Tananbaum Center for Theoretical and Analytical Human Biology, Yale University School of Medicine, New Haven, Connecticut, USA;
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA
- Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, Connecticut, USA
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14
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Tripathi S, Tsang JS, Park K. Systems immunology of regulatory T cells: can one circuit explain it all? Trends Immunol 2023; 44:766-781. [PMID: 37690962 PMCID: PMC10543564 DOI: 10.1016/j.it.2023.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/11/2023] [Accepted: 08/12/2023] [Indexed: 09/12/2023]
Abstract
Regulatory T (Treg) cells play vital roles in immune homeostasis and response, including discrimination between self- and non-self-antigens, containment of immunopathology, and inflammation resolution. These diverse functions are orchestrated by cellular circuits involving Tregs and other cell types across space and time. Despite dramatic progress in our understanding of Treg biology, a quantitative framework capturing how Treg-containing circuits give rise to these diverse functions is lacking. Here, we propose that different facets of Treg function can be interpreted as distinct operating regimes of the same underlying circuit. We discuss how a systems immunology approach, involving quantitative experiments, computational modeling, and machine learning, can advance our understanding of Treg function, and help identify general operating and design principles underlying immune regulation.
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Affiliation(s)
- Shubham Tripathi
- Yale Center for Systems and Engineering Immunology and Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA.
| | - John S Tsang
- Yale Center for Systems and Engineering Immunology and Department of Immunobiology, Yale School of Medicine, New Haven, CT 06520, USA; Department of Biomedical Engineering, Yale University, New Haven, CT 06520, USA; Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA.
| | - Kyemyung Park
- Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA; Graduate School of Health Science and Technology and Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea.
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15
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Hor JL, Germain RN. Spatiotemporal and cell-state control of antigen presentation during tolerance and immunity. Curr Opin Immunol 2023; 84:102357. [PMID: 37331219 DOI: 10.1016/j.coi.2023.102357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023]
Abstract
Effective adaptive immunity is rendered possible by highly organized tissue architecture and coordinated cellular crosstalk. While detailed spatiotemporal analyses of antigen presentation and adaptive immune activation in secondary lymphoid tissues have been a major focus of study, it is clear that antigen presentation in other tissues also plays a critical role in shaping the immune response. In this article, we concentrate on two opposing aspects of adaptive immunity: tolerance and antitumor immunity, to illustrate how a complex set of antigen presentation mechanisms contributes to maintaining a delicate balance between robust immunity and avoidance of autoimmune pathology. We emphasize the importance of how immune cell identity, state, and location collectively determine the nature of adaptive immune responses.
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Affiliation(s)
- Jyh Liang Hor
- Lymphocyte Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA
| | - Ronald N Germain
- Lymphocyte Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892, USA.
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16
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Yang H, Tel J. Engineering global and local signal generators for probing temporal and spatial cellular signaling dynamics. Front Bioeng Biotechnol 2023; 11:1239026. [PMID: 37790255 PMCID: PMC10543096 DOI: 10.3389/fbioe.2023.1239026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 08/16/2023] [Indexed: 10/05/2023] Open
Abstract
Cells constantly encounter a wide range of environmental signals and rely on their signaling pathways to initiate reliable responses. Understanding the underlying signaling mechanisms and cellular behaviors requires signal generators capable of providing diverse input signals to deliver to cell systems. Current research efforts are primarily focused on exploring cellular responses to global or local signals, which enable us to understand cellular signaling and behavior in distinct dimensions. This review presents recent advancements in global and local signal generators, highlighting their applications in studying temporal and spatial signaling activity. Global signals can be generated using microfluidic or photochemical approaches. Local signal sources can be created using living or artificial cells in combination with different control methods. We also address the strengths and limitations of each signal generator type, discussing challenges and potential extensions for future research. These approaches are expected to continue to facilitate on-going research to discover novel and intriguing cellular signaling mechanisms.
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Affiliation(s)
- Haowen Yang
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
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17
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Centofanti E, Wang C, Iyer S, Krichevsky O, Oyler-Yaniv A, Oyler-Yaniv J. The spread of interferon-γ in melanomas is highly spatially confined, driving nongenetic variability in tumor cells. Proc Natl Acad Sci U S A 2023; 120:e2304190120. [PMID: 37603742 PMCID: PMC10468618 DOI: 10.1073/pnas.2304190120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/12/2023] [Indexed: 08/23/2023] Open
Abstract
Interferon-γ (IFNγ) is a critical antitumor cytokine that has varied effects on different cell types. The global effect of IFNγ in the tumor depends on which cells it acts upon and the spatial extent of its spread. Reported measurements of IFNγ spread vary dramatically in different contexts, ranging from nearest-neighbor signaling to perfusion throughout the entire tumor. Here, we apply theoretical considerations to experiments both in vitro and in vivo to study the spread of IFNγ in melanomas. We observe spatially confined niches of IFNγ signaling in 3-D mouse melanoma cultures and human tumors that generate cellular heterogeneity in gene expression and alter the susceptibility of affected cells to T cell killing. Widespread IFNγ signaling only occurs when niches overlap due to high local densities of IFNγ-producing T cells. We measured length scales of ~30 to 40 μm for IFNγ spread in B16 mouse melanoma cultures and human primary cutaneous melanoma. Our results are consistent with IFNγ spread being governed by a simple diffusion-consumption model and offer insight into how the spatial organization of T cells contributes to intratumor heterogeneity in inflammatory signaling, gene expression, and immune-mediated clearance. Solid tumors are often viewed as collections of diverse cellular "neighborhoods": Our work provides a general explanation for such nongenetic cellular variability due to confinement in the spread of immune mediators.
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Affiliation(s)
- Edoardo Centofanti
- The Department of Systems Biology at Harvard Medical School, Boston, MA02115
| | - Chad Wang
- The Systems, Synthetic, and Quantitative Biology Graduate Program at Harvard Medical School, Boston, MA02115
| | - Sandhya Iyer
- The Department of Systems Biology at Harvard Medical School, Boston, MA02115
| | - Oleg Krichevsky
- The Department of Physics at Ben Gurion University of the Negev, Beer-Sheva8410501, Israel
| | - Alon Oyler-Yaniv
- The Department of Systems Biology at Harvard Medical School, Boston, MA02115
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18
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Verstraete N, Marku M, Domagala M, Arduin H, Bordenave J, Fournié JJ, Ysebaert L, Poupot M, Pancaldi V. An agent-based model of monocyte differentiation into tumour-associated macrophages in chronic lymphocytic leukemia. iScience 2023; 26:106897. [PMID: 37332613 PMCID: PMC10275988 DOI: 10.1016/j.isci.2023.106897] [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: 03/08/2022] [Revised: 12/07/2022] [Accepted: 05/12/2023] [Indexed: 06/20/2023] Open
Abstract
Monocyte-derived macrophages help maintain tissue homeostasis and defend the organism against pathogens. In tumors, recent studies have uncovered complex macrophage populations, including tumor-associated macrophages, which support tumorigenesis through cancer hallmarks such as immunosuppression, angiogenesis, or matrix remodeling. In the case of chronic lymphocytic leukemia, these macrophages are known as nurse-like cells (NLCs) and they protect leukemic cells from spontaneous apoptosis, contributing to their chemoresistance. We propose an agent-based model of monocyte differentiation into NLCs upon contact with leukemic B cells in vitro. We performed patient-specific model optimization using cultures of peripheral blood mononuclear cells from patients. Using our model, we were able to reproduce the temporal survival dynamics of cancer cells in a patient-specific manner and to identify patient groups related to distinct macrophage phenotypes. Our results show a potentially important role of phagocytosis in the polarization process of NLCs and in promoting cancer cells' enhanced survival.
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Affiliation(s)
- Nina Verstraete
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Malvina Marku
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Marcin Domagala
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Hélène Arduin
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Julie Bordenave
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Jean-Jacques Fournié
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Loïc Ysebaert
- Service d’Hématologie, Institut Universitaire du Cancer de Toulouse-Oncopole, 31330 Toulouse, France
| | - Mary Poupot
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
| | - Vera Pancaldi
- CRCT, Université de Toulouse, Inserm, CNRS, Université Toulouse III-Paul Sabatier, Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
- Barcelona Supercomputing Center, Carrer de Jordi Girona, 29, 31, 08034 Barcelona, Spain
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19
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Geels SN, Moshensky A, Sousa RS, Walker BL, Singh R, Gutierrez G, Hwang M, Mempel TR, Nie Q, Othy S, Marangoni F. Interruption of the Intratumor CD8:Treg Crosstalk Improves the Efficacy of PD-1 Immunotherapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.15.540889. [PMID: 37292782 PMCID: PMC10245792 DOI: 10.1101/2023.05.15.540889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
PD-1 blockade unleashes the potent antitumor activity of CD8 cells but can also promote immunosuppressive T regulatory (Treg) cells, which may worsen response to immunotherapy. Tumor Treg inhibition is a promising strategy to overcome therapeutic resistance; however, the mechanisms supporting tumor Tregs during PD-1 immunotherapy are largely unexplored. Here, we report that PD-1 blockade increases tumor Tregs in mouse models of immunogenic tumors, including melanoma, and metastatic melanoma patients. Unexpectedly, Treg accumulation was not caused by Treg-intrinsic inhibition of PD-1 signaling but instead depended on an indirect effect of activated CD8 cells. CD8 cells colocalized with Tregs within tumors and produced IL-2, especially after PD-1 immunotherapy. IL-2 upregulated the anti-apoptotic protein ICOS on tumor Tregs, causing their accumulation. ICOS signaling inhibition before PD-1 immunotherapy resulted in increased control of immunogenic melanoma. Thus, interrupting the intratumor CD8:Treg crosstalk is a novel strategy that may enhance the efficacy of immunotherapy in patients.
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20
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Ozulumba T, Montalbine AN, Ortiz-Cárdenas JE, Pompano RR. New tools for immunologists: models of lymph node function from cells to tissues. Front Immunol 2023; 14:1183286. [PMID: 37234163 PMCID: PMC10206051 DOI: 10.3389/fimmu.2023.1183286] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 04/20/2023] [Indexed: 05/27/2023] Open
Abstract
The lymph node is a highly structured organ that mediates the body's adaptive immune response to antigens and other foreign particles. Central to its function is the distinct spatial assortment of lymphocytes and stromal cells, as well as chemokines that drive the signaling cascades which underpin immune responses. Investigations of lymph node biology were historically explored in vivo in animal models, using technologies that were breakthroughs in their time such as immunofluorescence with monoclonal antibodies, genetic reporters, in vivo two-photon imaging, and, more recently spatial biology techniques. However, new approaches are needed to enable tests of cell behavior and spatiotemporal dynamics under well controlled experimental perturbation, particularly for human immunity. This review presents a suite of technologies, comprising in vitro, ex vivo and in silico models, developed to study the lymph node or its components. We discuss the use of these tools to model cell behaviors in increasing order of complexity, from cell motility, to cell-cell interactions, to organ-level functions such as vaccination. Next, we identify current challenges regarding cell sourcing and culture, real time measurements of lymph node behavior in vivo and tool development for analysis and control of engineered cultures. Finally, we propose new research directions and offer our perspective on the future of this rapidly growing field. We anticipate that this review will be especially beneficial to immunologists looking to expand their toolkit for probing lymph node structure and function.
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Affiliation(s)
- Tochukwu Ozulumba
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
| | - Alyssa N. Montalbine
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, United States
| | - Jennifer E. Ortiz-Cárdenas
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Department of Bioengineering, Stanford University, Stanford, CA, United States
| | - Rebecca R. Pompano
- Department of Chemistry, University of Virginia, Charlottesville, VA, United States
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA, United States
- Carter Immunology Center and University of Virginia (UVA) Cancer Center, University of Virginia School of Medicine, Charlottesville, VA, United States
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21
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Daneshpour H, van den Bersselaar P, Chao CH, Fazzio TG, Youk H. Macroscopic quorum sensing sustains differentiating embryonic stem cells. Nat Chem Biol 2023; 19:596-606. [PMID: 36635563 PMCID: PMC10154202 DOI: 10.1038/s41589-022-01225-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 11/14/2022] [Indexed: 01/14/2023]
Abstract
Cells can secrete molecules that help each other's replication. In cell cultures, chemical signals might diffuse only within a cell colony or between colonies. A chemical signal's interaction length-how far apart interacting cells are-is often assumed to be some value without rigorous justifications because molecules' invisible paths and complex multicellular geometries pose challenges. Here we present an approach, combining mathematical models and experiments, for determining a chemical signal's interaction length. With murine embryonic stem (ES) cells as a testbed, we found that differentiating ES cells secrete FGF4, among others, to communicate over many millimeters in cell culture dishes and, thereby, form a spatially extended, macroscopic entity that grows only if its centimeter-scale population density is above a threshold value. With this 'macroscopic quorum sensing', an isolated macroscopic, but not isolated microscopic, colony can survive differentiation. Our integrated approach can determine chemical signals' interaction lengths in generic multicellular communities.
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Affiliation(s)
- Hirad Daneshpour
- Kavli Institute of Nanoscience, Delft, The Netherlands
- Department of Systems Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Pim van den Bersselaar
- Kavli Institute of Nanoscience, Delft, The Netherlands
- Department of Systems Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Chun-Hao Chao
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Thomas G Fazzio
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Hyun Youk
- Department of Systems Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
- CIFAR Azrieli Global Scholars Program, CIFAR, Toronto, ON, Canada.
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22
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Son M, Wang AG, Kenna E, Tay S. High-throughput co-culture system for analysis of spatiotemporal cell-cell signaling. Biosens Bioelectron 2023; 225:115089. [PMID: 36736159 PMCID: PMC9991101 DOI: 10.1016/j.bios.2023.115089] [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: 10/13/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/31/2023]
Abstract
Study of spatial and temporal aspects of signaling between individual cells is essential in understanding development, the immune response, and host-pathogen interactions. We present an automated high-throughput microfluidic platform that chemically stimulates immune cells to initiate cytokine secretion, and controls the formation of signal gradients that activate neighboring cell populations. Furthermore, our system enables controlling the cell type and density based on distance, and retrieval of cells from different regions for gene expression analysis. Our device performs these tasks in 192 independent chambers to simultaneously test different co-culture conditions. We demonstrate these capabilities by creating various cellular communication scenarios between macrophages and fibroblasts in vitro. We find that spatial distribution of macrophages and heterogeneity in cytokine secretion determine spatiotemporal gene expression responses. Furthermore, we describe how gene expression dynamics depend on a cell's distance from the signaling source. Our device addresses key challenges in the study of cell-to-cell signaling, and provides high-throughput and automated analysis over a wide range of co-culture conditions.
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Affiliation(s)
- Minjun Son
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA; Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, 60637, USA.
| | - Andrew G Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA; Medical Scientist Training Program, University of Chicago, Chicago, IL, 60637, USA
| | - Emma Kenna
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA
| | - Savaş Tay
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, 60637, USA; Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL, 60637, USA.
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23
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Amoddeo A. A mathematical model and numerical simulation for SARS-CoV-2 dynamics. Sci Rep 2023; 13:4575. [PMID: 36941368 PMCID: PMC10027279 DOI: 10.1038/s41598-023-31733-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 03/16/2023] [Indexed: 03/23/2023] Open
Abstract
Since its outbreak the corona virus-19 disease has been particularly aggressive for the lower respiratory tract, and lungs in particular. The dynamics of the abnormal immune response leading to lung damage with fatal outcomes is not yet fully understood. We present a mathematical model describing the dynamics of corona virus disease-19 starting from virus seeding inside the human respiratory tract, taking into account its interaction with the components of the innate immune system as classically and alternatively activated macrophages, interleukin-6 and -10. The numerical simulations have been performed for two different parameter values related to the pro-inflammatory interleukin, searching for a correlation among components dynamics during the early stage of infection, in particular pro- and anti-inflammatory polarizations of the immune response. We found that in the initial stage of infection the immune machinery is unable to stop or weaken the virus progression. Also an abnormal anti-inflammatory interleukin response is predicted, induced by the disease progression and clinically associated to tissue damages. The numerical results well reproduce experimental results found in literature.
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Affiliation(s)
- Antonino Amoddeo
- Department of Civil, Energy, Environment and Materials Engineering, Università 'Mediterranea' di Reggio Calabria, Via Graziella 1, Feo di Vito, 89122, Reggio Calabria, Italy.
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24
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Heidari A, Sentürk OI, Yang S, Joesaar A, Gobbo P, Mann S, de Greef TFA, Wegner SV. Orthogonal Light-Dependent Membrane Adhesion Induces Social Self-Sorting and Member-Specific DNA Communication in Synthetic Cell Communities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206474. [PMID: 36599623 DOI: 10.1002/smll.202206474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Developing orthogonal chemical communication pathways in diverse synthetic cell communities is a considerable challenge due to the increased crosstalk and interference associated with large numbers of different types of sender-receiver pairs. Herein, the authors control which sender-receiver pairs communicate in a three-membered community of synthetic cells through red and blue light illumination. Semipermeable protein-polymer-based synthetic cells (proteinosomes) with complementary membrane-attached protein adhesion communicate through single-stranded DNA oligomers and synergistically process biochemical information within a community consisting of one sender and two different receiver populations. Different pairs of red and blue light-responsive protein-protein interactions act as membrane adhesion mediators between the sender and receivers such that they self-assemble and socially self-sort into different multicellular structures under red and blue light. Consequently, distinct sender-receiver pairs come into the signaling range depending on the light illumination and are able to communicate specifically without activation of the other receiver population. Overall, this work shows how photoswitchable membrane adhesion gives rise to different self-sorting protocell patterns that mediate member-specific DNA-based communication in ternary populations of synthetic cells and provides a step towards the design of orthogonal chemical communication networks in diverse communities of synthetic cells.
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Affiliation(s)
- Ali Heidari
- Institute of Physiological Chemistry and Pathobiochemistry University of Münster, Waldeyerstr. 15, 48149, Münster, Germany
| | - Oya I Sentürk
- Department of Physical Chemistry of Polymers, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Shuo Yang
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5612 AZ, The Netherlands
| | - Alex Joesaar
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5612 AZ, The Netherlands
| | - Pierangelo Gobbo
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, 34127, Italy
| | - Stephen Mann
- Centre for Protolife Research and Centre for Organized Matter Chemistry, Max Planck Bristol Centre for Minimal Biology, School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
| | - Tom F A de Greef
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5612 AZ, The Netherlands
| | - Seraphine V Wegner
- Institute of Physiological Chemistry and Pathobiochemistry University of Münster, Waldeyerstr. 15, 48149, Münster, Germany
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25
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Van Eyndhoven LC, Verberne VPG, Bouten CVC, Singh A, Tel J. Transiently heritable fates and quorum sensing drive early IFN-I response dynamics. eLife 2023; 12:83055. [PMID: 36629318 PMCID: PMC9910831 DOI: 10.7554/elife.83055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/10/2023] [Indexed: 01/12/2023] Open
Abstract
Type I interferon (IFN-I)-mediated antiviral responses are central to host defense against viral infections. Crucial is the tight and well-orchestrated control of cellular decision-making leading to the production of IFN-Is. Innovative single-cell approaches revealed that the initiation of IFN-I production is limited to only fractions of 1-3% of the total population, both found in vitro, in vivo, and across cell types, which were thought to be stochastically regulated. To challenge this dogma, we addressed the influence of various stochastic and deterministic host-intrinsic factors on dictating early IFN-I responses, using a murine fibroblast reporter model. Epigenetic drugs influenced the percentage of responding cells. Next, with the classical Luria-Delbrück fluctuation test, we provided evidence for transient heritability driving responder fates, which was verified with mathematical modeling. Finally, while studying varying cell densities, we substantiated an important role for cell density in dictating responsiveness, similar to the phenomenon of quorum sensing. Together, this systems immunology approach opens up new avenues to progress the fundamental understanding on cellular decision-making during early IFN-I responses, which can be translated to other (immune) signaling systems.
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Affiliation(s)
- Laura C Van Eyndhoven
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
| | - Vincent PG Verberne
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
| | - Carlijn VC Bouten
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
- Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
| | - Abhyudai Singh
- Department of Electrical and Computer Engineering, University of DelawareNewarkUnited States
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
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26
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Tiemeijer BM, Heester S, Sturtewagen AYW, Smits AIPM, Tel J. Single-cell analysis reveals TLR-induced macrophage heterogeneity and quorum sensing dictate population wide anti-inflammatory feedback in response to LPS. Front Immunol 2023; 14:1135223. [PMID: 36911668 PMCID: PMC9998924 DOI: 10.3389/fimmu.2023.1135223] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/13/2023] [Indexed: 03/14/2023] Open
Abstract
The role of macrophages in controlling tissue inflammation is indispensable to ensure a context-appropriate response to pathogens whilst preventing excessive tissue damage. Their initial response is largely characterized by high production of tumor necrosis factor alpha (TNFα) which primes and attracts other immune cells, thereafter, followed by production of interleukin 10 (IL-10) which inhibits cell activation and steers towards resolving of inflammation. This delicate balance is understood at a population level but how it is initiated at a single-cell level remains elusive. Here, we utilize our previously developed droplet approach to probe single-cell macrophage activation in response to toll-like receptor 4 (TLR4) stimulation, and how single-cell heterogeneity and cellular communication affect macrophage-mediated inflammatory homeostasis. We show that only a fraction of macrophages can produce IL-10 in addition to TNFα upon LPS-induced activation, and that these cells are not phenotypically different from IL-10 non-producers nor exhibit a distinct transcriptional pathway. Finally, we demonstrate that the dynamics of TNFα and IL-10 are heavily controlled by macrophage density as evidenced by 3D hydrogel cultures suggesting a potential role for quorum sensing. These exploratory results emphasize the relevance of understanding the complex communication between macrophages and other immune cells and how these amount to population-wide responses.
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Affiliation(s)
- Bart M Tiemeijer
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Sebastiaan Heester
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Ashley Y W Sturtewagen
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Anthal I P M Smits
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands.,Laboratory of Soft Tissue Engineering and Mechanobiology, Department Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.,Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, Netherlands
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27
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Pancreatic Islet Cells Response to IFNγ Relies on Their Spatial Location within an Islet. Cells 2022; 12:cells12010113. [PMID: 36611907 PMCID: PMC9818682 DOI: 10.3390/cells12010113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/30/2022] Open
Abstract
Type 1 diabetes (T1D) is an auto-immune disease characterized by the progressive destruction of insulin-producing pancreatic beta cells. While beta cells are the target of the immune attack, the other islet endocrine cells, namely the alpha and delta cells, can also be affected by the inflammatory milieu. Here, using a flow cytometry-based strategy, we compared the impact of IFNγ, one of the main cytokines involved in T1D, on the three endocrine cell subsets isolated from C57BL/6 mouse islets. RNA-seq analyses revealed that alpha and delta cells exposed in vitro to IFNγ display a transcriptomic profile very similar to that of beta cells, with an increased expression of inflammation key genes such as MHC class I molecules, the CXCL10 chemokine and the programmed death-ligand 1 (PD-L1), three hallmarks of IFNγ signaling. Interestingly, at low IFNγ concentration, we observed two beta cell populations (responders and non-responders) based on PD-L1 protein expression. Our data indicate that this differential sensitivity relies on the location of the cells within the islet rather than on the existence of two different beta cells subsets. The same findings were corroborated by the in vivo analysis of pancreatic islets from the non-obese diabetic mouse model of T1D, showing more intense PD-L1 staining on endocrine cells close to immune infiltrate. Collectively, our work demonstrates that alpha and delta cells are as sensitive as beta cells to IFNγ, and suggests a gradual diffusion of the cytokine into an islet. These observations provide novel insights into the in situ inflammatory processes occurring in T1D progression.
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28
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Allen GM, Frankel NW, Reddy NR, Bhargava HK, Yoshida MA, Stark SR, Purl M, Lee J, Yee JL, Yu W, Li AW, Garcia KC, El-Samad H, Roybal KT, Spitzer MH, Lim WA. Synthetic cytokine circuits that drive T cells into immune-excluded tumors. Science 2022; 378:eaba1624. [PMID: 36520915 PMCID: PMC9970000 DOI: 10.1126/science.aba1624] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Chimeric antigen receptor (CAR) T cells are ineffective against solid tumors with immunosuppressive microenvironments. To overcome suppression, we engineered circuits in which tumor-specific synNotch receptors locally induce production of the cytokine IL-2. These circuits potently enhance CAR T cell infiltration and clearance of immune-excluded tumors, without systemic toxicity. The most effective IL-2 induction circuit acts in an autocrine and T cell receptor (TCR)- or CAR-independent manner, bypassing suppression mechanisms including consumption of IL-2 or inhibition of TCR signaling. These engineered cells establish a foothold in the target tumors, with synthetic Notch-induced IL-2 production enabling initiation of CAR-mediated T cell expansion and cell killing. Thus, it is possible to reconstitute synthetic T cell circuits that activate the outputs ultimately required for an antitumor response, but in a manner that evades key points of tumor suppression.
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Affiliation(s)
- Greg M. Allen
- Department of Medicine, UCSF; San Francisco, United States
- Cell Design Institute; UCSF, San Francisco, United States
| | - Nicholas W. Frankel
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Nishith R. Reddy
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Hersh K. Bhargava
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
- Biophysics Graduate Program, UCSF; San Francisco, United States
| | - Maia A. Yoshida
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Sierra R. Stark
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Megan Purl
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Jungmin Lee
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Jacqueline L. Yee
- Department of Microbiology and Immunology, UCSF; San Francisco, United States
| | - Wei Yu
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - Aileen W. Li
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
| | - K. Christopher Garcia
- Department of Molecular and Cellular Physiology and Structural Biology, Howard Hughes Medical Institute, Stanford University; Stanford, United States
| | - Hana El-Samad
- Cell Design Institute; UCSF, San Francisco, United States
- Helen Diller Family Comprehensive Cancer Center, UCSF; San Francisco, United States
- Department of Biochemistry and Biophysics, UCSF; San Francisco, United States
| | - Kole T. Roybal
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Microbiology and Immunology, UCSF; San Francisco, United States
- Parker Institute for Cancer Immunotherapy, UCSF; San Francisco, United States
| | - Matthew H. Spitzer
- Department of Microbiology and Immunology, UCSF; San Francisco, United States
- Parker Institute for Cancer Immunotherapy, UCSF; San Francisco, United States
- Department of Otolaryngology-Head and Neck Surgery, UCSF; San Francisco, United States
- Helen Diller Family Comprehensive Cancer Center, UCSF; San Francisco, United States
| | - Wendell A. Lim
- Cell Design Institute; UCSF, San Francisco, United States
- Department of Cellular and Molecular Pharmacology, UCSF; San Francisco, United States
- Parker Institute for Cancer Immunotherapy, UCSF; San Francisco, United States
- Helen Diller Family Comprehensive Cancer Center, UCSF; San Francisco, United States
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29
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Van Eyndhoven LC, Tel J. Revising immune cell coordination: Origins and importance of single-cell variation. Eur J Immunol 2022; 52:1889-1897. [PMID: 36250412 PMCID: PMC10092580 DOI: 10.1002/eji.202250073] [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: 06/29/2022] [Revised: 08/15/2022] [Accepted: 10/11/2022] [Indexed: 12/13/2022]
Abstract
Moving from the optimalization of single-cell technologies to the interpretation of the multi-complex single-cell data, the field of immunoengineering is granted with numerous important insights into the coordination of immune cell activation and how to modulate it for therapeutic purposes. However, insights come with additional follow-up questions that challenge our perception on how immune responses are generated and fine-tuned to fight a wide array of pathogens in ever-changing and often unpredictable microenvironments. Are immune responses really either being tightly regulated by molecular determinants, or highly flexible attributed to stochasticity? What exactly makes up the basic rules by which single cells cooperate to establish tissue-level immunity? Taking the type I IFN system and its newest insights as a main example throughout this review, we revise the basic concepts of (single) immune cell coordination, redefine the concepts of noise, stochasticity and determinism, and highlight the importance of single-cell variation in immunology and beyond.
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Affiliation(s)
- Laura C Van Eyndhoven
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, The Netherlands
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30
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Dai H, Fan Q, Wang C. Recent applications of immunomodulatory biomaterials for disease immunotherapy. EXPLORATION 2022; 2:20210157. [PMCID: PMC10191059 DOI: 10.1002/exp.20210157] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 04/25/2022] [Indexed: 06/16/2023]
Affiliation(s)
- Huaxing Dai
- Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials & Devices Soochow University 199 Ren'ai Road Suzhou Jiangsu China
| | - Qin Fan
- Key Laboratory for Organic Electronics & Information Displays (KLOEID) Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials (IAM) and School of Materials Science and Engineering Nanjing University of Posts & Telecommunications Nanjing China
| | - Chao Wang
- Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials & Devices Soochow University 199 Ren'ai Road Suzhou Jiangsu China
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31
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Ollerton MT, Folkvord JM, La Mantia A, Parry DA, Meditz AL, McCarter MD, D’Aquila R, Connick E. Follicular regulatory T cells eliminate HIV-1-infected follicular helper T cells in an IL-2 concentration dependent manner. Front Immunol 2022; 13:878273. [PMID: 36420277 PMCID: PMC9676968 DOI: 10.3389/fimmu.2022.878273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 10/21/2022] [Indexed: 11/09/2022] Open
Abstract
Follicular helper CD4+ T cells (TFH) are highly permissive to HIV and major foci of virus expression in both untreated and treated infection. Follicular regulatory CD4+ T cells (TFR) limit TFH numbers and function in vitro and in vivo. We evaluated the hypothesis that TFR suppress HIV replication in TFH using a well-established model of ex vivo HIV infection that employs tonsil cells from HIV uninfected individuals spinoculated with CXCR4- and CCR5-tropic HIV-GFP reporter viruses. Both CXCR4 and CCR5-tropic HIV replication were reduced in TFH cultured with TFR as compared to controls. Blocking antibodies to CD39, CTLA-4, IL-10, and TGF-beta failed to reverse suppression of HIV replication by TFR, and there were no sex differences in TFR suppressive activity. TFR reduced viability of TFH and even more so reduced HIV infected TFH as assessed by total and integrated HIV DNA. Exogenous IL-2 enhanced TFH viability and particularly numbers of GFP+ TFH in a concentration dependent manner. TFR reduced productively infected TFH at low and moderate IL-2 concentrations, and this was associated with decreases in extracellular IL-2. Both IL-2 expressing cells and larger numbers of FoxP3+CD4+ cells were detected in follicles and germinal centers of lymph nodes of people living with HIV. TFR may deplete TFH in vivo through restriction of IL-2 and thereby contribute to decay of HIV expressing cells in B cell follicles during HIV infection.
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Affiliation(s)
- Matthew T. Ollerton
- Department of Medicine, Division of Infectious Diseases, University of Arizona, Tucson, AZ, United States
| | - Joy M. Folkvord
- Department of Medicine, Division of Infectious Diseases, University of Arizona, Tucson, AZ, United States
| | | | - David A. Parry
- Department of Otolaryngology, University of Arizona, Tucson, AZ, United States
| | - Amie L. Meditz
- Department of Medicine, Division of Infectious Diseases, University of Colorado, Aurora, CO, United States
| | - Martin D. McCarter
- Department of Surgery, Anschutz Medical Campus, University of Colorado Denver, Aurora, CO, United States
| | - Richard T. D’Aquila
- Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Elizabeth Connick
- Department of Medicine, Division of Infectious Diseases, University of Arizona, Tucson, AZ, United States
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Son M, Frank T, Holst-Hansen T, Wang AG, Junkin M, Kashaf SS, Trusina A, Tay S. Spatiotemporal NF-κB dynamics encodes the position, amplitude, and duration of local immune inputs. SCIENCE ADVANCES 2022; 8:eabn6240. [PMID: 36044569 PMCID: PMC9432835 DOI: 10.1126/sciadv.abn6240] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 07/19/2022] [Indexed: 05/31/2023]
Abstract
Infected cells communicate through secreted signaling molecules like cytokines, which carry information about pathogens. How differences in cytokine secretion affect inflammatory signaling over space and how responding cells decode information from propagating cytokines are not understood. By computationally and experimentally studying NF-κB dynamics in cocultures of signal-sending cells (macrophages) and signal-receiving cells (fibroblasts), we find that cytokine signals are transmitted by wave-like propagation of NF-κB activity and create well-defined activation zones in responding cells. NF-κB dynamics in responding cells can simultaneously encode information about cytokine dose, duration, and distance to the cytokine source. Spatially resolved transcriptional analysis reveals that responding cells transmit local cytokine information to distance-specific proinflammatory gene expression patterns, creating "gene expression zones." Despite single-cell variability, the size and duration of the signaling zone are tightly controlled by the macrophage secretion profile. Our results highlight how macrophages tune cytokine secretion to control signal transmission distance and how inflammatory signaling interprets these signals in space and time.
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Affiliation(s)
- Minjun Son
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
- Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL 60637, USA
| | - Tino Frank
- Department of Biosystems Science and Engineering, ETH Zürich, Basel 4058, Switzerland
| | | | - Andrew G. Wang
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
| | - Michael Junkin
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
- Department of Biosystems Science and Engineering, ETH Zürich, Basel 4058, Switzerland
| | - Sara S. Kashaf
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
| | - Ala Trusina
- Niels Bohr Institute, University of Copenhagen, Copenhagen 2100, Denmark
| | - Savaş Tay
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637, USA
- Institute for Genomics and Systems Biology, University of Chicago, Chicago, IL 60637, USA
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Long-term microglial phase-specific dynamics during single vessel occlusion and recanalization. Commun Biol 2022; 5:841. [PMID: 35986097 PMCID: PMC9391347 DOI: 10.1038/s42003-022-03784-0] [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: 11/25/2021] [Accepted: 08/02/2022] [Indexed: 11/08/2022] Open
Abstract
Vascular occlusion leading to brain dysfunctions is usually considered evoking microglia-induced inflammation response. However, it remains unclear how microglia interact with blood vessels in the development of vascular occlusion-related brain disorders. Here, we illuminate long-term spatiotemporal dynamics of microglia during single vessel occlusion and recanalization. Microglia display remarkable response characteristics in different phases, including acute reaction, rapid diffusion, transition and chronic effect. Fibrinogen-induced microglial cluster promotes major histocompatibility complex II (MHCII) expression. Microglial soma represents a unique filament-shape migration and has slower motility compared to the immediate reaction of processes to occlusion. We capture proliferative microglia redistribute territory. Microglial cluster resolves gradually and microglia recover to resting state both in the morphology and function in the chronic effect phase. Therefore, our study offers a comprehensive analysis of spatiotemporal dynamics of microglia and potential mechanisms to both vessel occlusion and recanalization. Microglial phase-specific response suggests the morphological feature-oriented phased intervention would be an attractive option for vascular occlusion-related diseases treatments. The spatiotemporal dynamics of the microglial inflammatory response to single vessel occlusion and recanalization are analysed, revealing four different response phases.
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Single-cell assessment of the modulation of macrophage activation by ex vivo intervertebral discs using impedance cytometry. Biosens Bioelectron 2022; 210:114346. [PMID: 35569268 PMCID: PMC9623412 DOI: 10.1016/j.bios.2022.114346] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/30/2022] [Accepted: 05/04/2022] [Indexed: 11/21/2022]
Abstract
Measurement of macrophage activation and its modulation for immune regulation is of great interest to arrest inflammatory responses associated with degeneration of intervertebral discs that cause chronic back pain, and with transplants that face immune rejection. Due to the phenotypic plasticity of macrophages that serve multiple immune functions, the net disease outcome is determined by a balance of subpopulations with competing functions, highlighting the need for single-cell methods to quantify heterogeneity in their activation phenotypes. However, since macrophage activation can follow several signaling pathways, cytometry after fluorescent staining of markers with antibodies does not often provide dose-dependent information on activation dynamics. We present high throughput single-cell impedance cytometry for multiparametric measurement of biophysical changes to individual macrophages for quantifying activation in a dose and duration dependent manner, without relying on a particular signaling pathway. Impedance phase metrics measured at two frequencies and the electrical diameter from impedance magnitude at lower frequencies are used in tandem to benchmark macrophage activation by degenerated discs against that from lipopolysaccharide stimulation at varying dose and duration levels, so that reversal of the activation state by curcumin can be ascertained. This label-free single-cell measurement method can form the basis for platforms to screen therapies for inflammation, thereby addressing the chronic problem of back pain.
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Burl RB, Rondini EA, Wei H, Pique-Regi R, Granneman JG. Deconstructing cold-induced brown adipocyte neogenesis in mice. eLife 2022; 11:e80167. [PMID: 35848799 PMCID: PMC9348851 DOI: 10.7554/elife.80167] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/15/2022] [Indexed: 11/21/2022] Open
Abstract
Cold exposure triggers neogenesis in classic interscapular brown adipose tissue (iBAT) that involves activation of β1-adrenergic receptors, proliferation of PDGFRA+ adipose tissue stromal cells (ASCs), and recruitment of immune cells whose phenotypes are presently unknown. Single-cell RNA-sequencing (scRNA-seq) in mice identified three ASC subpopulations that occupied distinct tissue locations. Of these, interstitial ASC1 were found to be direct precursors of new brown adipocytes (BAs). Surprisingly, knockout of β1-adrenergic receptors in ASCs did not prevent cold-induced neogenesis, whereas pharmacological activation of the β3-adrenergic receptor on BAs was sufficient, suggesting that signals derived from mature BAs indirectly trigger ASC proliferation and differentiation. In this regard, cold exposure induced the delayed appearance of multiple macrophage and dendritic cell populations whose recruitment strongly correlated with the onset and magnitude of neogenesis across diverse experimental conditions. High-resolution immunofluorescence and single-molecule fluorescence in situ hybridization demonstrated that cold-induced neogenesis involves dynamic interactions between ASC1 and recruited immune cells that occur on the micrometer scale in distinct tissue regions. Our results indicate that neogenesis is not a reflexive response of progenitors to β-adrenergic signaling, but rather is a complex adaptive response to elevated metabolic demand within brown adipocytes.
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Affiliation(s)
- Rayanne B Burl
- Center for Molecular Medicine and Genetics, Wayne State UniversityDetroitUnited States
| | - Elizabeth Ann Rondini
- Center for Molecular Medicine and Genetics, Wayne State UniversityDetroitUnited States
- Center for Integrative Metabolic and Endocrine Research, Wayne State UniversityDetroitUnited States
| | - Hongguang Wei
- Center for Molecular Medicine and Genetics, Wayne State UniversityDetroitUnited States
- Center for Integrative Metabolic and Endocrine Research, Wayne State UniversityDetroitUnited States
| | - Roger Pique-Regi
- Center for Molecular Medicine and Genetics, Wayne State UniversityDetroitUnited States
| | - James G Granneman
- Center for Molecular Medicine and Genetics, Wayne State UniversityDetroitUnited States
- Center for Integrative Metabolic and Endocrine Research, Wayne State UniversityDetroitUnited States
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Richard AC. Divide and Conquer: Phenotypic and Temporal Heterogeneity Within CD8+ T Cell Responses. Front Immunol 2022; 13:949423. [PMID: 35911755 PMCID: PMC9334874 DOI: 10.3389/fimmu.2022.949423] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 06/22/2022] [Indexed: 11/23/2022] Open
Abstract
The advent of technologies that can characterize the phenotypes, functions and fates of individual cells has revealed extensive and often unexpected levels of diversity between cells that are nominally of the same subset. CD8+ T cells, also known as cytotoxic T lymphocytes (CTLs), are no exception. Investigations of individual CD8+ T cells both in vitro and in vivo have highlighted the heterogeneity of cellular responses at the levels of activation, differentiation and function. This review takes a broad perspective on the topic of heterogeneity, outlining different forms of variation that arise during a CD8+ T cell response. Specific attention is paid to the impact of T cell receptor (TCR) stimulation strength on heterogeneity. In particular, this review endeavors to highlight connections between variation at different cellular stages, presenting known mechanisms and key open questions about how variation between cells can arise and propagate.
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Whyte CE, Singh K, Burton OT, Aloulou M, Kouser L, Veiga RV, Dashwood A, Okkenhaug H, Benadda S, Moudra A, Bricard O, Lienart S, Bielefeld P, Roca CP, Naranjo-Galindo FJ, Lombard-Vadnais F, Junius S, Bending D, Ono M, Hochepied T, Halim TY, Schlenner S, Lesage S, Dooley J, Liston A. Context-dependent effects of IL-2 rewire immunity into distinct cellular circuits. J Exp Med 2022; 219:e20212391. [PMID: 35699942 PMCID: PMC9202720 DOI: 10.1084/jem.20212391] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 04/06/2022] [Accepted: 05/16/2022] [Indexed: 12/17/2022] Open
Abstract
Interleukin 2 (IL-2) is a key homeostatic cytokine, with therapeutic applications in both immunogenic and tolerogenic immune modulation. Clinical use has been hampered by pleiotropic functionality and widespread receptor expression, with unexpected adverse events. Here, we developed a novel mouse strain to divert IL-2 production, allowing identification of contextual outcomes. Network analysis identified priority access for Tregs and a competitive fitness cost of IL-2 production among both Tregs and conventional CD4 T cells. CD8 T and NK cells, by contrast, exhibited a preference for autocrine IL-2 production. IL-2 sourced from dendritic cells amplified Tregs, whereas IL-2 produced by B cells induced two context-dependent circuits: dramatic expansion of CD8+ Tregs and ILC2 cells, the latter driving a downstream, IL-5-mediated, eosinophilic circuit. The source-specific effects demonstrate the contextual influence of IL-2 function and potentially explain adverse effects observed during clinical trials. Targeted IL-2 production therefore has the potential to amplify or quench particular circuits in the IL-2 network, based on clinical desirability.
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Affiliation(s)
- Carly E. Whyte
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | - Kailash Singh
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | - Oliver T. Burton
- Immunology Programme, The Babraham Institute, Cambridge, UK
- VIB Center for Brain and Disease Research, Vlaams Instituut voor Biotechnologie, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, KU Leuven—University of Leuven, Leuven, Belgium
| | - Meryem Aloulou
- Immunology Programme, The Babraham Institute, Cambridge, UK
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Centre national de la recherche scientifique U5051, Institut national de la santé et de la recherche médicale U1291, University of Toulouse III, Toulouse, France
| | - Lubna Kouser
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | | | - Amy Dashwood
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | | | - Samira Benadda
- Immunology Programme, The Babraham Institute, Cambridge, UK
- Centre de Recherche Sur L’inflammation, Centre national de la recherche scientifique ERL8252, Institut national de la santé et de la recherche médicale U1149, Université de Paris, Paris, France
| | - Alena Moudra
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | - Orian Bricard
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | | | | | - Carlos P. Roca
- Immunology Programme, The Babraham Institute, Cambridge, UK
| | | | - Félix Lombard-Vadnais
- Department of Microbiology and Immunology, McGill University, Montréal, Quebec, Canada
- Department of Immunology-Oncology, Maisonneuve-Rosemont Hospital, Montréal, Quebec, Canada
| | - Steffie Junius
- VIB Center for Brain and Disease Research, Vlaams Instituut voor Biotechnologie, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, KU Leuven—University of Leuven, Leuven, Belgium
| | - David Bending
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Masahiro Ono
- Department of Life Sciences, Imperial College London, London, UK
| | - Tino Hochepied
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- VIB Center for Inflammation Research, Vlaams Instituut voor Biotechnologie, Ghent, Belgium
| | | | - Susan Schlenner
- Department of Microbiology, Immunology and Transplantation, KU Leuven—University of Leuven, Leuven, Belgium
| | - Sylvie Lesage
- Centre de Recherche Sur L’inflammation, Centre national de la recherche scientifique ERL8252, Institut national de la santé et de la recherche médicale U1149, Université de Paris, Paris, France
- Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, Quebec, Canada
| | - James Dooley
- Immunology Programme, The Babraham Institute, Cambridge, UK
- VIB Center for Brain and Disease Research, Vlaams Instituut voor Biotechnologie, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, KU Leuven—University of Leuven, Leuven, Belgium
| | - Adrian Liston
- Immunology Programme, The Babraham Institute, Cambridge, UK
- VIB Center for Brain and Disease Research, Vlaams Instituut voor Biotechnologie, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, KU Leuven—University of Leuven, Leuven, Belgium
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Changes of immune-related factors in the blood of schizophrenia and bipolar disorder patients receiving monotherapy. Transl Psychiatry 2022; 12:212. [PMID: 35618730 PMCID: PMC9135722 DOI: 10.1038/s41398-022-01968-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 04/25/2022] [Accepted: 05/04/2022] [Indexed: 11/08/2022] Open
Abstract
Schizophrenia (SCZ) and bipolar disorder (BPD) are associated with abnormal expression of immune-related factors (IRFs), which have been proposed as biomarkers of either disease diagnosis (trait markers) or treatment (state markers). However, the state markers have been found to be less reproducible than the trait markers in previous studies. In the current study, we focused on the changes of IRFs in blood of SCZ and BPD patients receiving monotherapy. SCZ (N = 49) and BPD (N = 49) Chinese patients were recruited at acute episode and followed for 9 to 51 days until remission. Blood samples were collected at two state-points, acute state before treatment and remission state after treatment. A total of 41 IRFs in plasma were quantified by the Luminex assay. After adjusting covariates, we found four cytokines or cytokine receptors were significantly increased at remission when compared to acute episode in all the patients, including CD30, BAFF, CCL20, and CXCL10 (Bonferroni corrected p < 0.05). CD30 and BAFF were consistently increased in both SCZ and BPD while the increase of CCL20 was only observed in BPD but not SCZ when analyzing the two disorders separately. CXCL10 change was not significant in either SCZ or BPD alone. The changes of these four factors were correlated with each other, but not with clinical features. CD30 concentration in the BPD acute state was correlated with sleep quality (Spearman's rs = 0.365, Bonferroni corrected p < 0.05). Overall, we found that four factors (CD30, BAFF, CCL20, and CXCL10) might be associated with treatment of psychosis.
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Lee H, Patel V, Onushko M, Fang X, Chemtob S, Olson D. A Leukocyte Migration Assay Assists Understanding of Interleukin-1β-Induced Leukocyte Migration Into Preterm Mouse Uterus. Front Pharmacol 2022; 13:898008. [PMID: 35694257 PMCID: PMC9174527 DOI: 10.3389/fphar.2022.898008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/18/2022] [Indexed: 11/24/2022] Open
Abstract
Neutrophils and other leukocytes invade the mouse uterus at term birth, which is normal for activating the uterus for labor. To better understand the regulation of this migration at term and interleukin (IL)-1β—induced preterm birth, we developed a mouse leukocyte migration assay (mLMA) and used it with rytvela, an IL-1 receptor allosteric antagonist. The mLMA uses term peripheral blood leukocytes that migrate in a Boyden chamber in response to a chemoattractant. We tested several mouse uterine tissues after homogenization and sedimentation of debris for chemoattractant activity. The most active chemoattractant homogenate came from the mouse lower uterus on gestational day (GD) 18.5. Using flow cytometry, we demonstrated that 99% of the cells that migrate are neutrophils. IL-1β administered on GD 16 stimulated neutrophil migration and invasion into the uterus and the fetal brain along with preterm birth on GD 17. Preterm birth and the increased leukocyte invasion of the maternal uterus and fetal brain were all blocked by the co-administration of rytvela. To test where the site of IL-1β action might be, we examined the potency of lower uterine chemoattractant and the activation of leukocytes following IL-1β +/- rytvela administration. IL-1β did not increase lower uterus homogenate chemoattractant activity, but it significantly (p < 0.05) increased leukocyte activation as defined by cytokine and chemokine expression. Rytvela blocked this activation of leukocytes by IL-1β. We conclude that IL-1β stimulates preterm birth in mice by increasing leukocyte activation leading to increased uterine and fetal brain leukocyte invasion.
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Affiliation(s)
- Han Lee
- Olson Laboratory, Department of Physiology, University of Alberta, Edmonton, AB, Canada
| | - Vaishvi Patel
- Olson Laboratory, Faculty of Science, University of Alberta, Edmonton, AB, Canada
| | - Meghan Onushko
- Olson Laboratory, Faculty of Science, University of Alberta, Edmonton, AB, Canada
| | - Xin Fang
- Olson Laboratory, Department of Obstetrics/Gynecology, University of Alberta, Edmonton, AB, Canada
| | - Sylvain Chemtob
- Chemtob Laboratory, Departments of Pediatrics and Ophthalmology/Pharmacology, University of Montreal, Montreal, QC, Canada
| | - David Olson
- Olson Laboratory, Department of Physiology, University of Alberta, Edmonton, AB, Canada
- Olson Laboratory, Department of Obstetrics/Gynecology, University of Alberta, Edmonton, AB, Canada
- Olson Laboratory, Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
- *Correspondence: David Olson,
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Sirisereephap K, Maekawa T, Tamura H, Hiyoshi T, Domon H, Isono T, Terao Y, Maeda T, Tabeta K. Osteoimmunology in Periodontitis: Local Proteins and Compounds to Alleviate Periodontitis. Int J Mol Sci 2022; 23:ijms23105540. [PMID: 35628348 PMCID: PMC9146968 DOI: 10.3390/ijms23105540] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/13/2022] [Accepted: 05/14/2022] [Indexed: 01/25/2023] Open
Abstract
Periodontitis is one of the most common oral diseases resulting in gingival inflammation and tooth loss. Growing evidence indicates that it results from dysbiosis of the oral microbiome, which interferes with the host immune system, leading to bone destruction. Immune cells activate periodontal ligament cells to express the receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL) and promote osteoclast activity. Osteocytes have active roles in periodontitis progression in the bone matrix. Local proteins are involved in bone regeneration through functional immunological plasticity. Here, we discuss the current knowledge of cellular and molecular mechanisms in periodontitis, the roles of local proteins, and promising synthetic compounds generating a periodontal regeneration effect. It is anticipated that this may lead to a better perception of periodontitis pathophysiology.
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Affiliation(s)
- Kridtapat Sirisereephap
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
- Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand
| | - Tomoki Maekawa
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
- Correspondence: ; Tel.: +81-25-227-2828
| | - Hikaru Tamura
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
| | - Takumi Hiyoshi
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
| | - Hisanori Domon
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Toshihito Isono
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Yutaka Terao
- Division of Microbiology and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (H.D.); (T.I.); (Y.T.)
| | - Takeyasu Maeda
- Center for Advanced Oral Science, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (T.H.); (T.M.)
| | - Koichi Tabeta
- Division of Periodontology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan; (K.S.); (H.T.); (K.T.)
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Yang H, Sinha N, Rand U, Hauser H, Köster M, de Greef TFA, Tel J. A universal microfluidic approach for integrated analysis of temporal homocellular and heterocellular signaling and migration dynamics. Biosens Bioelectron 2022; 211:114353. [PMID: 35594624 DOI: 10.1016/j.bios.2022.114353] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/26/2022] [Accepted: 05/06/2022] [Indexed: 11/24/2022]
Abstract
Microfluidics offers precise and dynamic control of microenvironments for the study of temporal cellular responses. However, recent research focusing solely on either homocellular (single-cell, population) or heterocellular response may yield insufficient output, which possibly leads to partial comprehension about the underlying mechanisms of signaling events and corresponding cellular behaviors. Here, a universal microfluidic approach is developed for integrated analysis of temporal signaling and cell migration dynamics in multiple cellular contexts (single-cell, population and coculture). This approach allows to confine the desired number or mixture of specific cell sample types in a single device. Precise single cell seeding was achieved manually with bidirectional controllability. Coupled with time-lapse imaging, temporal cellular responses can be observed with single-cell resolution. Using NIH3T3 cells stably expressing signal transducer and activator of transcription 1/2 (STAT1/2) activity biosensors, temporal STAT1/2 activation and cell migration dynamics were explored in isolated single cells, populations and cocultures stimulated with temporal inputs, such as single-pulse and continuous signals of interferon γ (IFNγ) or lipopolysaccharide (LPS). We demonstrate distinct dynamic responses of fibroblasts in different cellular contexts. Our presented approach facilitates a multi-dimensional understanding of STAT signaling and corresponding migration behaviors.
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Affiliation(s)
- Haowen Yang
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5600MB, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600 MB, the Netherlands
| | - Nidhi Sinha
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5600MB, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600 MB, the Netherlands
| | - Ulfert Rand
- Model Systems for Infection and Immunity, Helmholtz Centre for Infection Research, 38124, Braunschweig, Germany
| | - Hansjörg Hauser
- Model Systems for Infection and Immunity, Helmholtz Centre for Infection Research, 38124, Braunschweig, Germany
| | - Mario Köster
- Model Systems for Infection and Immunity, Helmholtz Centre for Infection Research, 38124, Braunschweig, Germany
| | - Tom F A de Greef
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600 MB, the Netherlands; Computational Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, 5600MB, Eindhoven, the Netherlands
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, 5600MB, the Netherlands; Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, 5600 MB, the Netherlands.
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Abstract
The successful transplantation of stem cells has the potential to transform regenerative medicine approaches and open promising avenues to repair, replace, and regenerate diseased, damaged, or aged tissues. However, pre-/post-transplantation issues of poor cell survival, retention, cell fate regulation, and insufficient integration with host tissues constitute significant challenges. The success of stem cell transplantation depends upon the coordinated sequence of stem cell renewal, specific lineage differentiation, assembly, and maintenance of long-term function. Advances in biomaterials can improve pre-/post-transplantation outcomes by integrating biophysiochemical cues and emulating tissue microenvironments. This review highlights leading biomaterials-based approaches for enhancing stem cell transplantation.
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Affiliation(s)
- Bhushan N Kharbikar
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Priya Mohindra
- UC Berkeley-UCSF Graduate Program in Bioengineering, San Francisco, CA 94158, USA
| | - Tejal A Desai
- Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, San Francisco, CA 94158, USA; UC Berkeley-UCSF Graduate Program in Bioengineering, San Francisco, CA 94158, USA; Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA; School of Engineering, Brown University, Providence, RI, 02912, USA.
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43
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Neutrophil and natural killer cell imbalances prevent muscle stem cell-mediated regeneration following murine volumetric muscle loss. Proc Natl Acad Sci U S A 2022; 119:e2111445119. [PMID: 35377804 PMCID: PMC9169656 DOI: 10.1073/pnas.2111445119] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Skeletal muscle is one of the largest tissues in the body and can regenerate when damaged through a population of resident muscle stem cells. A type of muscle trauma called volumetric muscle loss overwhelms the regenerative capacity of muscle stem cells and engenders fibrotic supplantation. A comparison of muscle injuries resulting in regeneration or fibrosis revealed that intercellular communication between neutrophils and natural killer cells impacts muscle stem cell-mediated repair. Perturbation of neutrophil–natural killer cell interactions resulted in a variation of healing outcomes and suggested that immunomodulatory interventions can be effective to prevent aberrant healing outcomes. Volumetric muscle loss (VML) overwhelms the innate regenerative capacity of mammalian skeletal muscle (SkM), leading to numerous disabilities and reduced quality of life. Immune cells are critical responders to muscle injury and guide tissue resident stem cell– and progenitor-mediated myogenic repair. However, how immune cell infiltration and intercellular communication networks with muscle stem cells are altered following VML and drive pathological outcomes remains underexplored. Herein, we contrast the cellular and molecular mechanisms of VML injuries that result in the fibrotic degeneration or regeneration of SkM. Following degenerative VML injuries, we observed the heightened infiltration of natural killer (NK) cells as well as the persistence of neutrophils beyond 2 wk postinjury. Functional validation of NK cells revealed an antagonistic role in neutrophil accumulation in part via inducing apoptosis and CCR1-mediated chemotaxis. The persistent infiltration of neutrophils in degenerative VML injuries was found to contribute to impairments in muscle stem cell regenerative function, which was also attenuated by transforming growth factor beta 1 (TGFβ1). Blocking TGFβ signaling reduced neutrophil accumulation and fibrosis and improved muscle-specific force. Collectively, these results enhance our understanding of immune cell–stem cell cross talk that drives regenerative dysfunction and provide further insight into possible avenues for fibrotic therapy exploration.
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Hammel JH, Zatorski JM, Cook SR, Pompano RR, Munson JM. Engineering in vitro immune-competent tissue models for testing and evaluation of therapeutics. Adv Drug Deliv Rev 2022; 182:114111. [PMID: 35031388 PMCID: PMC8908413 DOI: 10.1016/j.addr.2022.114111] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 11/16/2021] [Accepted: 01/07/2022] [Indexed: 12/13/2022]
Abstract
Advances in 3D cell culture, microscale fluidic control, and cellular analysis have enabled the development of more physiologically-relevant engineered models of human organs with precise control of the cellular microenvironment. Engineered models have been used successfully to answer fundamental biological questions and to screen therapeutics, but these often neglect key elements of the immune system. There are immune elements in every tissue that contribute to healthy and diseased states. Including immune function will be essential for effective preclinical testing of therapeutics for inflammatory and immune-modulated diseases. In this review, we first discuss the key components to consider in designing engineered immune-competent models in terms of physical, chemical, and biological cues. Next, we review recent applications of models of immunity for screening therapeutics for cancer, preclinical evaluation of engineered T cells, modeling autoimmunity, and screening vaccine efficacy. Future work is needed to further recapitulate immune responses in engineered models for the most informative therapeutic screening and evaluation.
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Affiliation(s)
- Jennifer H. Hammel
- Fralin Biomedical Research Institute and Department of Biomedical Engineering and Mechanics, Virginia Tech, Roanoke, Virginia 24016, USA
| | - Jonathan M. Zatorski
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Sophie R. Cook
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA
| | - Rebecca R. Pompano
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA,Department of Biomedical Engineering, University of Virginia; Charlottesville, Virginia 22904, USA,Carter Immunology Center and UVA Cancer Center, University of Virginia School of Medicine, Charlottesville, Virginia 22903
| | - Jennifer M. Munson
- Fralin Biomedical Research Institute and Department of Biomedical Engineering and Mechanics, Virginia Tech, Roanoke, Virginia 24016, USA
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45
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Gardner A, de Mingo Pulido Á, Hänggi K, Bazargan S, Onimus A, Kasprzak A, Conejo-Garcia JR, Rejniak KA, Ruffell B. TIM-3 blockade enhances IL-12-dependent antitumor immunity by promoting CD8 + T cell and XCR1 + dendritic cell spatial co-localization. J Immunother Cancer 2022; 10:e003571. [PMID: 34987021 PMCID: PMC8734033 DOI: 10.1136/jitc-2021-003571] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2021] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND T cell immunoglobulin and mucin domain containing-3 (TIM-3) blocking antibodies are currently being evaluated in clinical trials for solid and hematological malignancies. Despite its identification on T cells, TIM-3 is predominantly expressed by myeloid cells, including XCR1+ type I conventional dendritic cells (cDC1s). We have recently shown that TIM-3 blockade promotes expression of CXCR3 chemokine ligands by tumor cDCs, but how this drives a CD8+ T cell-dependent response to therapy is unclear. METHODS T cell infiltration, effector function, and spatial localization in relation to XCR1+ cDC1s were evaluated in a murine orthotopic mammary carcinoma model during response to TIM-3 blockade and paclitaxel chemotherapy. Mixed bone marrow chimeras and diphtheria toxin depletion were used to determine the role of specific genes in cDC1s during therapeutic responses. RESULTS TIM-3 blockade increased interferon-γ expression by CD8+ T cells without altering immune infiltration. cDC1 expression of CXCL9, but not CXCL10, was required for response to TIM-3 blockade. CXCL9 was also necessary for the increased proximity observed between CD8+ T cells and XCR1+ cDC1s during therapy. Tumor responses were dependent on cDC1 expression of interleukin-12, but not MHCI. CONCLUSIONS TIM-3 blockade increases exposure of intratumoral CD8+ T cells to cDC1-derived cytokines, with implications for the design of therapeutic strategies using antibodies against TIM-3.
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Affiliation(s)
- Alycia Gardner
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Cancer Biology PhD Program, University of South Florida, Tampa, Florida, USA
| | - Álvaro de Mingo Pulido
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Kay Hänggi
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Sarah Bazargan
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Cancer Biology PhD Program, University of South Florida, Tampa, Florida, USA
| | - Alexis Onimus
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Molecular Medicine PhD Program, University of South Florida, Tampa, Florida, USA
| | - Agnieszka Kasprzak
- Analytic Microscopy, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Jose R Conejo-Garcia
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Katarzyna A Rejniak
- Department of Integrated Mathematical Oncology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Brian Ruffell
- Department of Immunology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
- Department of Breast Oncology, H Lee Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
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46
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Sandner L, Alteneder M, Zhu C, Hladik A, Högler S, Rica R, Van Greuningen LW, Sharif O, Sakaguchi S, Knapp S, Kenner L, Trauner M, Ellmeier W, Boucheron N. The Tyrosine Kinase Tec Regulates Effector Th17 Differentiation, Pathogenicity, and Plasticity in T-Cell-Driven Intestinal Inflammation. Front Immunol 2021; 12:750466. [PMID: 35003062 PMCID: PMC8728872 DOI: 10.3389/fimmu.2021.750466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 11/29/2021] [Indexed: 12/30/2022] Open
Abstract
T helper (Th) 17 cells are not only key in controlling infections mediated by extracellular bacteria and fungi but are also triggering autoimmune responses. Th17 cells comprise heterogeneous subsets, some with pathogenic functions. They can cease to secrete their hallmark cytokine IL-17A and even convert to other T helper lineages, a process known as transdifferentiation relying on plasticity. Both pathogenicity and plasticity are tightly linked to IL-23 signaling. Here, we show that the protein tyrosine kinase Tec is highly induced in Th17 cells. Th17 differentiation was enhanced at low interleukin-6 (IL-6) concentrations in absence of Tec, which correlates with increased STAT3 phosphorylation and higher Il23r expression. Therefore, we uncovered a function for Tec in the IL-6 sensing via STAT3 by CD4+ T cells, defining Tec as a fine-tuning negative regulator of Th17 differentiation. Subsequently, by using the IL-17A fate mapping mouse combined with in vivo adoptive transfer models, we demonstrated that Tec not only restrained effector Th17 differentiation but also pathogenicity and plasticity in a T-cell intrinsic manner. Our data further suggest that Tec regulates inflammatory Th17-driven immune responses directly impacting disease severity in a T-cell-driven colitis model. Notably, consistent with the in vitro findings, elevated levels of the IL-23 receptor (IL-23R) were observed on intestinal pre- and postconversion Th17 cells isolated from diseased Tec-/- mice subjected to adoptive transfer colitis, highlighting a fundamental role of Tec in restraining IL-23R expression, likely via the IL-6-STAT3 signaling axis. Taken together, these findings identify Tec as a negative regulator of Th17 differentiation, pathogenicity, and plasticity, contributing to the mechanisms which help T cells to orchestrate optimal immune protection and to restrain immunopathology.
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Affiliation(s)
- Lisa Sandner
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Marlis Alteneder
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Ci Zhu
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria,Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Anastasiya Hladik
- Department of Medicine 1, Research Laboratory of Infection Biology, Medical University of Vienna, Vienna, Austria
| | - Sandra Högler
- Unit of Laboratory Animal Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Ramona Rica
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | | | - Omar Sharif
- Center for Physiology and Pharmacology, Institute for Vascular Biology and Thrombosis Research, Medical University of Vienna, Vienna, Austria,Christian Doppler Laboratory for Arginine Metabolism in Rheumatoid Arthritis and Multiple Sclerosis, Vienna, Austria
| | - Shinya Sakaguchi
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Sylvia Knapp
- Department of Medicine 1, Research Laboratory of Infection Biology, Medical University of Vienna, Vienna, Austria
| | - Lukas Kenner
- Unit of Laboratory Animal Pathology, Department for Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria,Department of Pathology, Medical University of Vienna, Vienna, Austria,Division of Experimental and Translational Pathology, Department of Pathology, Medical University Vienna, Vienna, Austria,Center for Biomarker Research in Medicine (CBmed), Graz, Austria,Christian Doppler Laboratory for Applied Metabolomics (CDL-AM), Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Michael Trauner
- Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria
| | - Wilfried Ellmeier
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Nicole Boucheron
- Division of Immunobiology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria,*Correspondence: Nicole Boucheron,
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47
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Herder V, Dee K, Wojtus JK, Epifano I, Goldfarb D, Rozario C, Gu Q, Da Silva Filipe A, Nomikou K, Nichols J, Jarrett RF, Stevenson A, McFarlane S, Stewart ME, Szemiel AM, Pinto RM, Masdefiol Garriga A, Davis C, Allan J, Graham SV, Murcia PR, Boutell C. Elevated temperature inhibits SARS-CoV-2 replication in respiratory epithelium independently of IFN-mediated innate immune defenses. PLoS Biol 2021; 19:e3001065. [PMID: 34932557 PMCID: PMC8765667 DOI: 10.1371/journal.pbio.3001065] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/18/2022] [Accepted: 12/03/2021] [Indexed: 01/08/2023] Open
Abstract
The pandemic spread of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), the etiological agent of Coronavirus Disease 2019 (COVID-19), represents an ongoing international health crisis. A key symptom of SARS-CoV-2 infection is the onset of fever, with a hyperthermic temperature range of 38 to 41°C. Fever is an evolutionarily conserved host response to microbial infection that can influence the outcome of viral pathogenicity and regulation of host innate and adaptive immune responses. However, it remains to be determined what effect elevated temperature has on SARS-CoV-2 replication. Utilizing a three-dimensional (3D) air-liquid interface (ALI) model that closely mimics the natural tissue physiology of SARS-CoV-2 infection in the respiratory airway, we identify tissue temperature to play an important role in the regulation of SARS-CoV-2 infection. Respiratory tissue incubated at 40°C remained permissive to SARS-CoV-2 entry but refractory to viral transcription, leading to significantly reduced levels of viral RNA replication and apical shedding of infectious virus. We identify tissue temperature to play an important role in the differential regulation of epithelial host responses to SARS-CoV-2 infection that impact upon multiple pathways, including intracellular immune regulation, without disruption to general transcription or epithelium integrity. We present the first evidence that febrile temperatures associated with COVID-19 inhibit SARS-CoV-2 replication in respiratory epithelia. Our data identify an important role for tissue temperature in the epithelial restriction of SARS-CoV-2 independently of canonical interferon (IFN)-mediated antiviral immune defenses.
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Affiliation(s)
- Vanessa Herder
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Kieran Dee
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Joanna K. Wojtus
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Ilaria Epifano
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Daniel Goldfarb
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Christoforos Rozario
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Quan Gu
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Ana Da Silva Filipe
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Kyriaki Nomikou
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Jenna Nichols
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Ruth F. Jarrett
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Andrew Stevenson
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Steven McFarlane
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Meredith E. Stewart
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Agnieszka M. Szemiel
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Rute M. Pinto
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Andreu Masdefiol Garriga
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
- University of Glasgow School of Veterinary Medicine, Glasgow, Scotland United Kingdom
| | - Chris Davis
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Jay Allan
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
| | - Sheila V. Graham
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
- * E-mail: (SVG); (PRM); (CB)
| | - Pablo R. Murcia
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
- * E-mail: (SVG); (PRM); (CB)
| | - Chris Boutell
- MRC-University of Glasgow Centre for Virus Research (CVR), Glasgow, Scotland United Kingdom
- * E-mail: (SVG); (PRM); (CB)
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48
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Frattolin J, Watson DJ, Bonneuil WV, Russell MJ, Fasanella Masci F, Bandara M, Brook BS, Nibbs RJB, Moore JE. The Critical Importance of Spatial and Temporal Scales in Designing and Interpreting Immune Cell Migration Assays. Cells 2021; 10:3439. [PMID: 34943947 PMCID: PMC8700135 DOI: 10.3390/cells10123439] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/01/2021] [Accepted: 12/03/2021] [Indexed: 02/08/2023] Open
Abstract
Intravital microscopy and other direct-imaging techniques have allowed for a characterisation of leukocyte migration that has revolutionised the field of immunology, resulting in an unprecedented understanding of the mechanisms of immune response and adaptive immunity. However, there is an assumption within the field that modern imaging techniques permit imaging parameters where the resulting cell track accurately captures a cell's motion. This notion is almost entirely untested, and the relationship between what could be observed at a given scale and the underlying cell behaviour is undefined. Insufficient spatial and temporal resolutions within migration assays can result in misrepresentation of important physiologic processes or cause subtle changes in critical cell behaviour to be missed. In this review, we contextualise how scale can affect the perceived migratory behaviour of cells, summarise the limited approaches to mitigate this effect, and establish the need for a widely implemented framework to account for scale and correct observations of cell motion. We then extend the concept of scale to new approaches that seek to bridge the current "black box" between single-cell behaviour and systemic response.
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Affiliation(s)
- Jennifer Frattolin
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK; (J.F.); (D.J.W.); (W.V.B.)
| | - Daniel J. Watson
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK; (J.F.); (D.J.W.); (W.V.B.)
| | - Willy V. Bonneuil
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK; (J.F.); (D.J.W.); (W.V.B.)
| | - Matthew J. Russell
- Centre for Mathematical Medicine and Biology, School of Mathematical Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (M.J.R.); (B.S.B.)
| | - Francesca Fasanella Masci
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary Medicine and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK; (F.F.M.); (M.B.); (R.J.B.N.)
| | - Mikaila Bandara
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary Medicine and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK; (F.F.M.); (M.B.); (R.J.B.N.)
| | - Bindi S. Brook
- Centre for Mathematical Medicine and Biology, School of Mathematical Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (M.J.R.); (B.S.B.)
| | - Robert J. B. Nibbs
- Institute of Infection, Immunity and Inflammation, College of Medicine, Veterinary Medicine and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK; (F.F.M.); (M.B.); (R.J.B.N.)
| | - James E. Moore
- Department of Bioengineering, Imperial College London, London SW7 2AZ, UK; (J.F.); (D.J.W.); (W.V.B.)
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49
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Graham AL, Schrom EC, Metcalf CJE. The evolution of powerful yet perilous immune systems. Trends Immunol 2021; 43:117-131. [PMID: 34949534 PMCID: PMC8686020 DOI: 10.1016/j.it.2021.12.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 12/23/2022]
Abstract
The mammalian immune system packs serious punch against infection but can also cause harm: for example, coronavirus disease 2019 (COVID-19) made headline news of the simultaneous power and peril of human immune responses. In principle, natural selection leads to exquisite adaptation and therefore cytokine responsiveness that optimally balances the benefits of defense against its costs (e.g., immunopathology suffered and resources expended). Here, we illustrate how evolutionary biology can predict such optima and also help to explain when/why individuals exhibit apparently maladaptive immunopathological responses. Ultimately, we argue that the evolutionary legacies of multicellularity and life-history strategy, in addition to our coevolution with symbionts and our demographic history, together explain human susceptibility to overzealous, pathology-inducing cytokine responses. Evolutionary insight thereby complements molecular/cellular mechanistic insights into immunopathology.
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50
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Cell-Cell Communication Networks in Tissue: Toward Quantitatively Linking Structure with Function. ACTA ACUST UNITED AC 2021; 27. [PMID: 34693081 DOI: 10.1016/j.coisb.2021.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Forefront techniques for molecular interrogation of mammalian tissues, such as multiplexed tissue imaging, intravital microscopy, and single-cell RNA sequencing (scRNAseq), can combine to quantify cell-type abundance, co-localization, and global levels of receptors and their ligands. Nonetheless, it remains challenging to translate these various quantities into a more comprehensive understanding of how cell-cell communication networks dynamically operate. Therefore, construction of computational models for network-level functions - including niche-dependent actions, homeostasis, and multi-scale coordination - will be valuable for productively integrating the battery of experimental approaches. Here, we review recent progress in understanding cell-cell communication networks in tissue. Featured examples include ligand-receptor dissection of immunosuppressive and mitogenic signaling in the tumor microenvironment. As a future direction, we highlight an unmet potential to bridge high-level statistical approaches with low-level physicochemical mechanisms.
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