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Li W, Yang Y, Zhuo F, Liu S, Zhang K, Zhang W, Huang C, Yu B. Paxbp1 is indispensable for the maintenance of peripheral CD4 T cell homeostasis. Immunology 2024; 172:641-652. [PMID: 38750609 DOI: 10.1111/imm.13802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/05/2024] [Indexed: 07/05/2024] Open
Abstract
The size and condition of the peripheral CD4 T cell population determine the capacity of the immune response. Under homeostatic conditions, the size of the peripheral CD4 T cell population is maintained through turnover and survival. However, the underlying mechanisms remain inadequately understood. Here, we observed a significant decrease in the percentage of CD4 T cells in the periphery following the targeted deletion of the Paxbp1 gene in mouse T cells. In the absence of Paxbp1, naïve CD4 T cells displayed reduced surface interleukin-7 receptor levels and a decreased capacity to respond to survival signals mediated by interleukin-7. In addition, naïve CD4 T cells deficient in Paxbp1 demonstrated impaired T cell antigen receptor signalling, compromised cell cycle entry, decreased proliferation, and increased apoptosis following stimulation, all of which contributed to the reduction in the number of peripheral CD4 T cells. Therefore, our study highlights the indispensable role of Paxbp1 in maintaining peripheral CD4 T cell homeostasis.
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Affiliation(s)
- Wenting Li
- Department of Dermatology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
- Shenzhen Key Laboratory for Translational Medicine of Dermatology, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong Province, China
| | - Yang Yang
- Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
| | - Fan Zhuo
- Department of Dermatology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
- Shenzhen Key Laboratory for Translational Medicine of Dermatology, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong Province, China
| | - Shenglin Liu
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, Hunan Province, China
| | - Kaoyuan Zhang
- Department of Dermatology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
- Shenzhen Key Laboratory for Translational Medicine of Dermatology, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong Province, China
| | - Wei Zhang
- Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, China
- Greater Bay Biomedical Innocenter, Shenzhen Bay Laboratory, Shenzhen, Guangdong Province, China
| | - Cong Huang
- Department of Dermatology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
- Shenzhen Key Laboratory for Translational Medicine of Dermatology, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong Province, China
| | - Bo Yu
- Department of Dermatology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
- Shenzhen Key Laboratory for Translational Medicine of Dermatology, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong Province, China
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Russell J, Chen L, Liu A, Wang J, Ghosh S, Zhong X, Shi H, Beutler B, Nair-Gill E. Lrp10 suppresses IL7R limiting CD8 T cell homeostatic expansion and anti-tumor immunity. EMBO Rep 2024:10.1038/s44319-024-00191-w. [PMID: 38956225 DOI: 10.1038/s44319-024-00191-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 06/07/2024] [Accepted: 06/17/2024] [Indexed: 07/04/2024] Open
Abstract
Signals emanating from the T-cell receptor (TCR), co-stimulatory receptors, and cytokine receptors each influence CD8 T-cell fate. Understanding how these signals respond to homeostatic and microenvironmental cues can reveal new ways to therapeutically direct T-cell function. Through forward genetic screening in mice, we discover that loss-of-function mutations in LDL receptor-related protein 10 (Lrp10) cause naive and central memory CD8 T cells to accumulate in peripheral lymphoid organs. Lrp10 encodes a conserved cell surface protein of unknown immunological function. T-cell activation induces Lrp10 expression, which post-translationally suppresses IL7 receptor (IL7R) levels. Accordingly, Lrp10 deletion enhances T-cell homeostatic expansion through IL7R signaling. Lrp10-deficient mice are also intrinsically resistant to syngeneic tumors. This phenotype depends on dense tumor infiltration of CD8 T cells, which display increased memory cell characteristics, reduced terminal exhaustion, and augmented responses to immune checkpoint inhibition. Here, we present Lrp10 as a new negative regulator of CD8 T-cell homeostasis and a host factor that controls tumor resistance with implications for immunotherapy.
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Affiliation(s)
- Jamie Russell
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Luming Chen
- Medical Scientist Training Program, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Aijie Liu
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Jianhui Wang
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Subarna Ghosh
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Xue Zhong
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Hexin Shi
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Bruce Beutler
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA
| | - Evan Nair-Gill
- Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA.
- Department of Internal Medicine, Division of Rheumatic Diseases, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-8505, USA.
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Risnes LF, Reims HM, Doyle RM, Qiao SW, Sollid LM, Lundin KEA, Christophersen A. Gluten-Free Diet Induces Rapid Changes in Phenotype and Survival Properties of Gluten-Specific T Cells in Celiac Disease. Gastroenterology 2024; 167:250-263. [PMID: 38552723 DOI: 10.1053/j.gastro.2024.03.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 03/16/2024] [Accepted: 03/18/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND & AIMS The treatment of celiac disease (CeD) with gluten-free diet (GFD) normalizes gut inflammation and disease-specific antibodies. CeD patients have HLA-restricted, gluten-specific T cells persisting in the blood and gut even after decades of GFD, which are reactivated and disease driving upon gluten exposure. Our aim was to examine the transition of activated gluten-specific T cells into a pool of persisting memory T cells concurrent with normalization of clinically relevant biomarkers during the first year of treatment. METHODS We followed 17 CeD patients during their initial GFD year, leading to disease remission. We assessed activation and frequency of gluten-specific CD4+ blood and gut T cells with HLA-DQ2.5:gluten tetramers and flow cytometry, disease-specific serology, histology, and symptom scores. We assessed gluten-specific blood T cells within the first 3 weeks of GFD in 6 patients and serology in an additional 9 patients. RESULTS Gluten-specific CD4+ T cells peaked in blood at day 14 while up-regulating Bcl-2 and down-regulating Ki-67 and then decreased in frequency within 10 weeks of GFD. CD38, ICOS, HLA-DR, and Ki-67 decreased in gluten-specific cells within 3 days. PD-1, CD39, and OX40 expression persisted even after 12 months. IgA-transglutaminase 2 decreased significantly within 4 weeks. CONCLUSIONS GFD induces rapid changes in the phenotype and number of gluten-specific CD4+ blood T cells, including a peak of nonproliferating, nonapoptotic cells at day 14. Subsequent alterations in T-cell phenotype associate with the quiescent but chronic nature of treated CeD. The rapid changes affecting gluten-specific T cells and disease-specific antibodies offer opportunities for clinical trials aiming at developing nondietary treatments for patients with newly diagnosed CeD.
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Affiliation(s)
- Louise F Risnes
- KG Jebsen Coeliac Disease Research Centre, University of Oslo, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Henrik M Reims
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Ronan M Doyle
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Shuo-Wang Qiao
- Faculty of Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Ludvig M Sollid
- KG Jebsen Coeliac Disease Research Centre, University of Oslo, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Knut E A Lundin
- KG Jebsen Coeliac Disease Research Centre, University of Oslo, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway; Department of Gastroenterology, Oslo University Hospital, Oslo, Norway
| | - Asbjørn Christophersen
- KG Jebsen Coeliac Disease Research Centre, University of Oslo, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital, Oslo, Norway; Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway.
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Melendez J, Sung YJ, Orr M, Yoo A, Schindler S, Cruchaga C, Bateman R. An interpretable machine learning-based cerebrospinal fluid proteomics clock for predicting age reveals novel insights into brain aging. Aging Cell 2024:e14230. [PMID: 38923730 DOI: 10.1111/acel.14230] [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: 01/12/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 06/28/2024] Open
Abstract
Machine learning can be used to create "biologic clocks" that predict age. However, organs, tissues, and biofluids may age at different rates from the organism as a whole. We sought to understand how cerebrospinal fluid (CSF) changes with age to inform the development of brain aging-related disease mechanisms and identify potential anti-aging therapeutic targets. Several epigenetic clocks exist based on plasma and neuronal tissues; however, plasma may not reflect brain aging specifically and tissue-based clocks require samples that are difficult to obtain from living participants. To address these problems, we developed a machine learning clock that uses CSF proteomics to predict the chronological age of individuals with a 0.79 Pearson correlation and mean estimated error (MAE) of 4.30 years in our validation cohort. Additionally, we analyzed proteins highly weighted by the algorithm to gain insights into changes in CSF and uncover novel insights into brain aging. We also demonstrate a novel method to create a minimal protein clock that uses just 109 protein features from the original clock to achieve a similar accuracy (0.75 correlation, MAE 5.41). Finally, we demonstrate that our clock identifies novel proteins that are highly predictive of age in interactions with other proteins, but do not directly correlate with chronological age themselves. In conclusion, we propose that our CSF protein aging clock can identify novel proteins that influence the rate of aging of the central nervous system (CNS), in a manner that would not be identifiable by examining their individual relationships with age.
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Affiliation(s)
- Justin Melendez
- Tracy Family SILQ Center, Washington University in St. Louis, St. Louis, Missouri, USA
- Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Yun Ju Sung
- Department of Psychiatry, Washington University in St. Louis, St. Louis, Missouri, USA
- Department of Biostatistics, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Miranda Orr
- Department of Internal Medicine, Wake Forest School of Medicine Section of Gerontology and Geriatric Medicine Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - Andrew Yoo
- Department of Developmental Biology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Suzanne Schindler
- Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Carlos Cruchaga
- Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA
- Department of Psychiatry, Washington University in St. Louis, St. Louis, Missouri, USA
| | - Randall Bateman
- Tracy Family SILQ Center, Washington University in St. Louis, St. Louis, Missouri, USA
- Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA
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5
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Jarjour NN, Dalzell TS, Maurice NJ, Wanhainen KM, Peng C, DePauw TA, Block KE, Valente WJ, Ashby KM, Masopust D, Jameson SC. Collaboration between IL-7 and IL-15 enables adaptation of tissue-resident and circulating memory CD8 + T cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.31.596695. [PMID: 38895229 PMCID: PMC11185530 DOI: 10.1101/2024.05.31.596695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Interleukin-7 (IL-7) is considered a critical regulator of memory CD8+ T cell homeostasis, but this is primarily based on analysis of circulating and not tissue-resident memory (TRM) subsets. Furthermore, the cell-intrinsic requirement for IL-7 signaling during memory homeostasis has not been directly tested. Using inducible deletion, we found that Il7ra loss had only a modest effect on persistence of circulating memory and TRM subsets and that IL-7Rα was primarily required for normal basal proliferation. Loss of IL-15 signaling imposed heightened IL-7Rα dependence on memory CD8+ T cells, including TRM populations previously described as IL-15-independent. In the absence of IL-15 signaling, IL-7Rα was upregulated, and loss of IL-7Rα signaling reduced proliferation in response to IL-15, suggesting cross-regulation in memory CD8+ T cells. Thus, across subsets and tissues, IL-7 and IL-15 act in concert to support memory CD8+ T cells, conferring resilience to altered availability of either cytokine.
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Affiliation(s)
- Nicholas N. Jarjour
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Talia S. Dalzell
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Nicholas J. Maurice
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Kelsey M. Wanhainen
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Changwei Peng
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Present address: Department of Immunology & HMS Center for Immune Imaging, Harvard Medical School, Boston, MA 02115, USA
| | - Taylor A. DePauw
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Katharine E. Block
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - William J. Valente
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - K. Maude Ashby
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - David Masopust
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Stephen C. Jameson
- Center for Immunology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Lead contact
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Wang T, Wang B, Fan X, Cai Y, Li L, Fu S. Type B thymomas in patients with myasthenia gravis display a distinctive pattern of αβ TCR and IL-7 receptor α expression on CD4 +CD8 + thymocytes. Autoimmunity 2024; 57:2347379. [PMID: 38723105 DOI: 10.1080/08916934.2024.2347379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 04/21/2024] [Indexed: 06/07/2024]
Abstract
Thymoma is closely associated with myasthenia gravis (MG). However, due to the heterogeneity of thymoma and the intricate pathogenesis of MG, it remains unclear why some patients with thymoma develop MG and others do not. In this study, we conducted a comparative phenotype analysis of thymocytes in type B thymomas in patients with MG (MG (+) thymomas) and without MG (MG (-) thymomas) via fluorescence-activated cell sorting (FACS). Our results show that the developmental stages defined by the expression of CD3, CD4, and CD8 were largely maintained in both MG (+) and MG (-) thymomas, with CD4+CD8+ cells constituting the majority of thymocytes in type B thymoma, and no significant difference between this cell population was observed in MG (+) and MG (-) thymomas.We discovered that CD4+CD8+ thymocytes in MG (+) thymomas expressed low levels of αβ TCR and high levels of IL-7 receptor α (IL-7Rα), whereas in MG (-) thymomas, CD4+CD8+ thymocytes exhibited the opposite pattern of αβ TCR and IL-7Rα expression. These results suggest that the positive and negative selection processes of CD4+CD8+ thymocytes might differ between MG (+) thymomas and MG (-) thymomas. The expression of the Helios transcription factor is induced during negative selection and marks a group of T cells that have undergone negative selection and are likely to be deleted due to strong TCR binding with self-peptides/MHC ligands. We observed that the percentage of Helios-positive CD4SP T cells was greater in MG (-) than in MG (+) thymomas. Thus, the differentially regulated selection process of CD4+CD8+ thymocytes, which involves TCR and IL-7/IL-7Rα signaling, is associated with the presence of MG in type B thymomas.
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Affiliation(s)
- Tianlai Wang
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Boyu Wang
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaowu Fan
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yixin Cai
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lequn Li
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shengling Fu
- Thoracic Surgery Laboratory, Department of Thoracic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Liu Y, Chen Y, Lu H, Zhong W, Yuan GC, Ma P. Orthogonal multimodality integration and clustering in single-cell data. BMC Bioinformatics 2024; 25:164. [PMID: 38664601 PMCID: PMC11045458 DOI: 10.1186/s12859-024-05773-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Multimodal integration combines information from different sources or modalities to gain a more comprehensive understanding of a phenomenon. The challenges in multi-omics data analysis lie in the complexity, high dimensionality, and heterogeneity of the data, which demands sophisticated computational tools and visualization methods for proper interpretation and visualization of multi-omics data. In this paper, we propose a novel method, termed Orthogonal Multimodality Integration and Clustering (OMIC), for analyzing CITE-seq. Our approach enables researchers to integrate multiple sources of information while accounting for the dependence among them. We demonstrate the effectiveness of our approach using CITE-seq data sets for cell clustering. Our results show that our approach outperforms existing methods in terms of accuracy, computational efficiency, and interpretability. We conclude that our proposed OMIC method provides a powerful tool for multimodal data analysis that greatly improves the feasibility and reliability of integrated data.
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Affiliation(s)
- Yufang Liu
- Department of Statistics, University of Georgia, Athens, GA, 30602, USA
| | - Yongkai Chen
- Department of Statistics, University of Georgia, Athens, GA, 30602, USA
| | - Haoran Lu
- Department of Statistics, University of Georgia, Athens, GA, 30602, USA
| | - Wenxuan Zhong
- Department of Statistics, University of Georgia, Athens, GA, 30602, USA
| | - Guo-Cheng Yuan
- Department of Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
| | - Ping Ma
- Department of Statistics, University of Georgia, Athens, GA, 30602, USA.
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Liao J, Pan H, Huang G, Gong H, Chen Z, Yin T, Zhang B, Chen T, Zheng M, Cai L. T cell cascade regulation initiates systemic antitumor immunity through living drug factory of anti-PD-1/IL-12 engineered probiotics. Cell Rep 2024; 43:114086. [PMID: 38598335 DOI: 10.1016/j.celrep.2024.114086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/26/2024] [Accepted: 03/26/2024] [Indexed: 04/12/2024] Open
Abstract
Immune checkpoint blockade (ICB) has revolutionized cancer therapy but only works in a subset of patients due to the insufficient infiltration, persistent exhaustion, and inactivation of T cells within a tumor. Herein, we develop an engineered probiotic (interleukin [IL]-12 nanoparticle Escherichia coli Nissle 1917 [INP-EcN]) acting as a living drug factory to biosynthesize anti-PD-1 and release IL-12 for initiating systemic antitumor immunity through T cell cascade regulation. Mechanistically, INP-EcN not only continuously biosynthesizes anti-PD-1 for relieving immunosuppression but also effectively cascade promote T cell activation, proliferation, and infiltration via responsive release of IL-12, thus reaching a sufficient activation threshold to ICB. Tumor targeting and colonization of INP-EcNs dramatically increase local drug accumulations, significantly inhibiting tumor growth and metastasis compared to commercial inhibitors. Furthermore, immune profiling reveals that anti-PD-1/IL-12 efficiently cascade promote antitumor effects in a CD8+ T cell-dependent manner, clarifying the immune interaction of ICB and cytokine activation. Ultimately, such engineered probiotics achieve a potential paradigm shift from T cell exhaustion to activation and show considerable promise for antitumor bio-immunotherapy.
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Affiliation(s)
- Jianhong Liao
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Hong Pan
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China.
| | - Guojun Huang
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Han Gong
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Ze Chen
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Ting Yin
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Baozhen Zhang
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Tingtao Chen
- National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang 330031, China.
| | - Mingbin Zheng
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China; National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, The Second Affiliated Hospital, Southern University of Science and Technology, Shenzhen 518112, China.
| | - Lintao Cai
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, CAS Key Laboratory of Biomedical Imaging Science and System, Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen 518055, China; Sino-Euro Center of Biomedicine and Health, Luohu Shenzhen 518024, China.
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9
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Yeyeodu S, Hanafi D, Webb K, Laurie NA, Kimbro KS. Population-enriched innate immune variants may identify candidate gene targets at the intersection of cancer and cardio-metabolic disease. Front Endocrinol (Lausanne) 2024; 14:1286979. [PMID: 38577257 PMCID: PMC10991756 DOI: 10.3389/fendo.2023.1286979] [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: 09/01/2023] [Accepted: 12/07/2023] [Indexed: 04/06/2024] Open
Abstract
Both cancer and cardio-metabolic disease disparities exist among specific populations in the US. For example, African Americans experience the highest rates of breast and prostate cancer mortality and the highest incidence of obesity. Native and Hispanic Americans experience the highest rates of liver cancer mortality. At the same time, Pacific Islanders have the highest death rate attributed to type 2 diabetes (T2D), and Asian Americans experience the highest incidence of non-alcoholic fatty liver disease (NAFLD) and cancers induced by infectious agents. Notably, the pathologic progression of both cancer and cardio-metabolic diseases involves innate immunity and mechanisms of inflammation. Innate immunity in individuals is established through genetic inheritance and external stimuli to respond to environmental threats and stresses such as pathogen exposure. Further, individual genomes contain characteristic genetic markers associated with one or more geographic ancestries (ethnic groups), including protective innate immune genetic programming optimized for survival in their corresponding ancestral environment(s). This perspective explores evidence related to our working hypothesis that genetic variations in innate immune genes, particularly those that are commonly found but unevenly distributed between populations, are associated with disparities between populations in both cancer and cardio-metabolic diseases. Identifying conventional and unconventional innate immune genes that fit this profile may provide critical insights into the underlying mechanisms that connect these two families of complex diseases and offer novel targets for precision-based treatment of cancer and/or cardio-metabolic disease.
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Affiliation(s)
- Susan Yeyeodu
- Julius L Chambers Biomedical/Biotechnology Institute (JLC-BBRI), North Carolina Central University, Durham, NC, United States
- Charles River Discovery Services, Morrisville, NC, United States
| | - Donia Hanafi
- Julius L Chambers Biomedical/Biotechnology Institute (JLC-BBRI), North Carolina Central University, Durham, NC, United States
| | - Kenisha Webb
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
| | - Nikia A. Laurie
- Julius L Chambers Biomedical/Biotechnology Institute (JLC-BBRI), North Carolina Central University, Durham, NC, United States
| | - K. Sean Kimbro
- Department of Microbiology, Biochemistry, and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
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10
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Desvaux E, Hemon P, Soret P, Le Dantec C, Chatzis L, Cornec D, Devauchelle-Pensec V, Elouej S, Duguet F, Laigle L, Poirier N, Moingeon P, Bretin S, Pers JO. High-content multimodal analysis supports the IL-7/IL-7 receptor axis as a relevant therapeutic target in primary Sjögren's syndrome. J Autoimmun 2023:103147. [PMID: 38114349 DOI: 10.1016/j.jaut.2023.103147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/18/2023] [Accepted: 10/25/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVE While the involvement of IL-7/IL-7R axis in pSS has been described in relation to T cells, little is known about the contribution of this pathway in relationship with other immune cells, and its implication in autoimmunity. Using high-content multiomics data, we aimed at characterizing IL-7R expressing cells and the involvement of IL-7/IL-7R pathway in pSS pathophysiology. METHODS An IL-7 signature established using RNA-sequencing of human PBMCs incubated with IL-7 was applied to 304 pSS patients, and on RNA-Seq datasets from tissue biopsies. High-content immunophenotyping using flow and imaging mass cytometry was developed to characterize peripheral and in situ IL-7R expression. RESULTS We identified a blood 4-gene IL-7 module (IKZF4, KIAA0040, PGAP1 and SOS1) associated with anti-SSA/Ro positiveness in patients as well as disease activity, and a tissue 5-gene IL-7 module (IL7R, PCED1B, TNFSF8, ADAM19, MYBL1) associated with infiltration severity. We confirmed expression of IL-7R on T cells subsets, and further observed upregulation of IL-7R on double-negative (DN) B cells, and especially DN2 B cells. IL-7R expression was increased in pSS compared to sicca patients with variations seen according to the degree of infiltration. When expressed, IL-7R was mainly found on epithelial cells, CD4+ and CD8+ T cells, switched memory B cells, DN B cells and M1 macrophages. CONCLUSION This exhaustive characterization of the IL-7/IL-7R pathway in pSS pathophysiology established that two IL-7 gene modules discriminate pSS patients with a high IL-7 axis involvement. Their use could guide the implementation of an anti-IL-7R targeted therapy in a precision medicine approach.
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Affiliation(s)
- Emiko Desvaux
- LBAI, UMR1227, University of Brest, Inserm, Brest, France; Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | - Patrice Hemon
- LBAI, UMR1227, University of Brest, Inserm, Brest, France
| | - Perrine Soret
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | | | - Loukas Chatzis
- LBAI, UMR1227, University of Brest, Inserm, Brest, France; Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Divi Cornec
- LBAI, UMR1227, University of Brest, Inserm, Brest, France; CHU de Brest, Brest, France
| | | | - Sahar Elouej
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | - Fanny Duguet
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | - Laurence Laigle
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | | | - Philippe Moingeon
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | - Sylvie Bretin
- Institut de Recherches Internationales Servier, Research and Development, Suresnes, France
| | - Jacques-Olivier Pers
- LBAI, UMR1227, University of Brest, Inserm, Brest, France; CHU de Brest, Brest, France.
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11
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Russell J, Chen L, Liu A, Wang J, Ghosh S, Zhong X, Shi H, Beutler B, Nair-Gill E. Lrp10 suppresses IL7R limiting CD8 T cell homeostatic expansion and anti-tumor immunity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.08.570738. [PMID: 38106103 PMCID: PMC10723380 DOI: 10.1101/2023.12.08.570738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Signals emanating from the T cell receptor (TCR), co-stimulatory receptors, and cytokine receptors each influence CD8 T cell fate. Understanding how these signals respond to homeostatic and microenvironmental cues can reveal new ways to therapeutically direct T cell function. Through forward genetic screening in mice, we discovered that loss-of-function mutations in LDL receptor related protein 10 ( Lrp10 ) caused naïve and central memory CD8 T cells to accumulate in peripheral lymphoid organs. Lrp10 encodes a conserved cell surface protein of unknown immunological function. Lrp10 was induced with T cell activation and its expression post-translationally suppressed IL7 receptor (IL7R) levels. Accordingly, Lrp10 deletion enhanced T cell homeostatic expansion through IL7R signaling. Lrp10 -deficient mice were also intrinsically resistant to syngeneic tumors. This phenotype depended on dense tumor infiltration of CD8 T cells that displayed increased memory cell characteristics, reduced terminal exhaustion, and augmented responses to immune checkpoint inhibition. Here, we present Lrp10 as a new negative regulator of CD8 T cell homeostasis and a host factor that controls tumor resistance with implications for immunotherapy.
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12
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Cosorich I, Filoni J, Di Dedda C, Ferrari A, Jofra T, Cesarano S, Bonini C, Piemonti L, Monti P. Interleukin-7 improves the fitness of regulatory T cells for adoptive transfer. Immunology 2023; 170:540-552. [PMID: 37671510 DOI: 10.1111/imm.13690] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 08/18/2023] [Indexed: 09/07/2023] Open
Abstract
Adoptive regulatory T-cell (Treg) transfer has emerged as a promising therapeutic strategy for regulating immune responses in organ transplantation, graft versus host disease, and autoimmunity, including Type 1 diabetes. Traditionally, Treg for adoptive therapy have been sorted and expanded in vitro using high doses of IL-2, demonstrating stability and suppressive capabilities. However, limitations in their long-term survival post-infusion into patients have been observed. To address this challenge, we investigated a novel expansion protocol incorporating interleukin-7 (IL-7) alongside the traditional method utilizing IL-2 (referred to as IL-7 method, IL-7M). Our study revealed that naïve Treg express significant levels of CD127 and display robust responsiveness to IL-7, characterized by STAT-5 phosphorylation. Expanding naïve Treg with the IL-7M protocol led to a substantial enrichment of CD45RA+ CD62L+ CD95+ Treg but showing a reduction in the final cell yield and suppressive function. Moreover, Treg expanded with the IL-7M exhibited preserved telomere length and demonstrated enhanced resistance to cytokine withdrawal and fas-mediated apoptosis. When transferred into NSG mice IL-7M-Treg persisted longer and reduced the expansion of T cells, but did not significantly reduce the severity of xenoGvHD. In conclusion, our data demonstrate the feasibility of expanding naïve Treg in the presence of IL-7 to generate a Treg product enriched in poorly differentiated CD45RA+ cells with enhanced survival capabilities.
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Affiliation(s)
- Ilaria Cosorich
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
| | - Jessica Filoni
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
| | - Carla Di Dedda
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
| | - Arianna Ferrari
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
| | - Tatiana Jofra
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
| | - Susanna Cesarano
- Experimental Hematology Unit, Division of Immunology, Transplantation and Infectious Diseases, Ospedale San Raffaele Scientific Institute, Milan, Italy
| | - Chiara Bonini
- Experimental Hematology Unit, Division of Immunology, Transplantation and Infectious Diseases, Ospedale San Raffaele Scientific Institute, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Lorenzo Piemonti
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
| | - Paolo Monti
- Transplant Immunology Lab, San Raffaele Diabetes Research Institute, IRCCS Ospedale San Raffaele Milan, Milan, Italy
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13
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Ran R, Brubaker DK. Enhanced annotation of CD45RA to distinguish T cell subsets in single-cell RNA-seq via machine learning. BIOINFORMATICS ADVANCES 2023; 3:vbad159. [PMID: 38023329 PMCID: PMC10676521 DOI: 10.1093/bioadv/vbad159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/20/2023] [Accepted: 11/03/2023] [Indexed: 12/01/2023]
Abstract
Motivation T cell heterogeneity presents a challenge for accurate cell identification, understanding their inherent plasticity, and characterizing their critical role in adaptive immunity. Immunologists have traditionally employed techniques such as flow cytometry to identify T cell subtypes based on a well-established set of surface protein markers. With the advent of single-cell RNA sequencing (scRNA-seq), researchers can now investigate the gene expression profiles of these surface proteins at the single-cell level. The insights gleaned from these profiles offer valuable clues and a deeper understanding of cell identity. However, CD45RA, the isoform of CD45 which distinguishes between naive/central memory T cells and effector memory/effector memory cells re-expressing CD45RA T cells, cannot be well profiled by scRNA-seq due to the difficulty in mapping short reads to genes. Results In order to facilitate cell-type annotation in T cell scRNA-seq analysis, we employed machine learning and trained a CD 45 RA + / - classifier on single-cell mRNA count data annotated with known CD45RA antibody levels provided by cellular indexing of transcriptomes and epitopes sequencing data. Among all the algorithms we tested, the trained support vector machine with a radial basis function kernel with optimized hyperparameters achieved a 99.96% accuracy on an unseen dataset. The multilayer perceptron classifier, the second most predictive method overall, also achieved a decent accuracy of 99.74%. Our simple yet robust machine learning approach provides a valid inference on the CD45RA level, assisting the cell identity annotation and further exploring the heterogeneity within human T cells. Based on the overall performance, we chose the support vector machine with a radial basis function kernel as the model implemented in our Python package scCD45RA. Availability and implementation The resultant package scCD45RA can be found at https://github.com/BrubakerLab/ScCD45RA and can be installed from the Python Package Index (PyPI) using the command "pip install sccd45ra."
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Affiliation(s)
- Ran Ran
- Department of Pathology, Center for Global Health and Diseases, Case Western Reserve University School of Medicine, Cleveland, OH 44106, United States
| | - Douglas K Brubaker
- Department of Pathology, Center for Global Health and Diseases, Case Western Reserve University School of Medicine, Cleveland, OH 44106, United States
- The Blood, Heart, Lung, and Immunology Research Center, Case Western Reserve University, University Hospitals of Cleveland, Cleveland, OH 44106, United States
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14
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Kumar P, Vuyyuru SK, Das P, Kante B, Ranjan MK, Thomas DM, Mundhra S, Sahu P, Venigalla PM, Jain S, Goyal S, Golla R, Virmani S, Singh MK, Sachdeva K, Sharma R, Dash NR, Makharia G, Kedia S, Ahuja V. Serum albumin is the strongest predictor of anti-tumor necrosis factor nonresponse in inflammatory bowel disease in resource-constrained regions lacking therapeutic drug monitoring. Intest Res 2023; 21:460-470. [PMID: 36926698 PMCID: PMC10626021 DOI: 10.5217/ir.2022.00128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND/AIMS Evidence on predictors of primary nonresponse (PNR), and secondary loss of response (SLR) to anti-tumor necrosis factor (anti-TNF) agents in inflammatory bowel disease is scarce from Asia. We evaluated clinical/biochemical/molecular markers of PNR/SLR in ulcerative colitis (UC) and Crohn's disease (CD). METHODS Inflammatory bowel disease patients treated with anti-TNF agents (January 2005-October 2020) were ambispectively included. Data concerning clinical and biochemical predictors was retrieved from a prospectively maintained database. Immunohistochemistry for expression of oncostatin M (OSM), OSM receptor (OSM-R), and interleukin-7 receptor (IL-7R) were done on pre anti-TNF initiation mucosal biopsies. RESULTS One-hundred eighty-six patients (118 CD, 68 UC: mean age, 34.1±13.7 years; median disease duration at anti-TNF initiation, 60 months; interquartile range, 28-100.5 months) were included. PNR was seen in 17% and 26.5% and SLR in 47% and 28% CD and UC patients, respectively. In CD, predictors of PNR were low albumin (P<0.001), postoperative recurrence (P=0.001) and high IL-7R expression (P<0.027) on univariate; and low albumin alone (hazard ratio [HR], 0.09; 95% confidence interval [CI], 0.03-0.28; P<0.001) on multivariate analysis respectively. Low albumin (HR, 0.31; 95% CI, 0.15-0.62; P=0.001) also predicted SLR. In UC, predictors of PNR were low albumin (P<0.001), and high C-reactive protein (P<0.001), OSM (P<0.04) and OSM-R (P=0.07) stromal expression on univariate; and low albumin alone (HR, 0.11; 95% CI, 0.03-0.39; P=0.001) on multivariate analysis respectively. CONCLUSIONS Low serum albumin at baseline significantly predicted PNR in UC and PNR/SLR in CD patients. Mucosal markers of PNR were high stromal OSM/OSM-R in UC and high IL-7R in CD patients.
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Affiliation(s)
- Peeyush Kumar
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Sudheer K. Vuyyuru
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Prasenjit Das
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Bhaskar Kante
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Mukesh Kumar Ranjan
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - David Mathew Thomas
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Sandeep Mundhra
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Pabitra Sahu
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Pratap Mouli Venigalla
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Saransh Jain
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Sandeep Goyal
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Rithvik Golla
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Shubi Virmani
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Mukesh K. Singh
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Karan Sachdeva
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Raju Sharma
- Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India
| | - Nihar Ranjan Dash
- Department of Gastrointestinal Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Govind Makharia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Saurabh Kedia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Vineet Ahuja
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
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15
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Bastone AL, Dziadek V, John-Neek P, Mansel F, Fleischauer J, Agyeman-Duah E, Schaudien D, Dittrich-Breiholz O, Schwarzer A, Schambach A, Rothe M. Development of an in vitro genotoxicity assay to detect retroviral vector-induced lymphoid insertional mutants. Mol Ther Methods Clin Dev 2023; 30:515-533. [PMID: 37693949 PMCID: PMC10491817 DOI: 10.1016/j.omtm.2023.08.017] [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: 10/24/2022] [Accepted: 08/18/2023] [Indexed: 09/12/2023]
Abstract
Safety assessment in retroviral vector-mediated gene therapy remains challenging. In clinical trials for different blood and immune disorders, insertional mutagenesis led to myeloid and lymphoid leukemia. We previously developed the In Vitro Immortalization Assay (IVIM) and Surrogate Assay for Genotoxicity Assessment (SAGA) for pre-clinical genotoxicity prediction of integrating vectors. Murine hematopoietic stem and progenitor cells (mHSPCs) transduced with mutagenic vectors acquire a proliferation advantage under limiting dilution (IVIM) and activate stem cell- and cancer-related transcriptional programs (SAGA). However, both assays present an intrinsic myeloid bias due to culture conditions. To detect lymphoid mutants, we differentiated mHSPCs to mature T cells and analyzed their phenotype, insertion site pattern, and gene expression changes after transduction with retroviral vectors. Mutagenic vectors induced a block in differentiation at an early progenitor stage (double-negative 2) compared to fully differentiated untransduced mock cultures. Arrested samples harbored high-risk insertions close to Lmo2, frequently observed in clinical trials with severe adverse events. Lymphoid insertional mutants displayed a unique gene expression signature identified by SAGA. The gene expression-based highly sensitive molecular readout will broaden our understanding of vector-induced oncogenicity and help in pre-clinical prediction of retroviral genotoxicity.
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Affiliation(s)
- Antonella L. Bastone
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Violetta Dziadek
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Philipp John-Neek
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Friederike Mansel
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Jenni Fleischauer
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
| | - Eric Agyeman-Duah
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Dirk Schaudien
- Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, Hannover, Germany
| | | | - Adrian Schwarzer
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
| | - Axel Schambach
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
- Division of Hematology/Oncology, Boston Children’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael Rothe
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
- REBIRTH – Research Center for Translational Regenerative Medicine, Hannover Medical School, Hannover, Germany
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16
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Gao R, Zhou P, Li Y, Li Q. High glucose-induced IL-7/IL-7R upregulation of dermal fibroblasts inhibits angiogenesis in a paracrine way in delayed diabetic wound healing. J Cell Commun Signal 2023; 17:1023-1038. [PMID: 37217704 PMCID: PMC10409704 DOI: 10.1007/s12079-023-00754-x] [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: 02/28/2023] [Revised: 04/03/2023] [Accepted: 04/14/2023] [Indexed: 05/24/2023] Open
Abstract
It is widely acknowledged that diabetes leads to slow wound healing and ulceration, and severe serious diabetic foot ulceration may result in amputation. In recent years, much emphasis has been placed on exploring diabetic wound healing to protect patients from adverse events. We recently found interleukin-7 (IL-7), a growth factor for B-cells and T-cells, and its receptor was significantly upregulated in high glucose-induced fibroblasts and skin of diabetic mice. Moreover, IL-7 stimulated fibroblasts secreted ANGPTL4, which inhibited angiogenesis of endothelial cells resulting in delayed wound healing. In our previous study, fibroblasts, endothelial cells and keratinocytes were exposed to normal glucose (5.5 mM) or high glucose (30 mM) medium for 24 h, and RNA sequencing showed that IL-7 and IL-7R were significantly upregulated in fibroblasts. To remove the effect of high glucose and explore the influence of IL-7, exogenous rMuIL-7 used to treat normal mice led to delayed wound healing by inhibiting angiogenesis. Vitro experiments revealed that IL-7-induced fibroblasts inhibited endothelial cell proliferation, migration and angiogenesis. Further experiments showed that fibroblast angiopoietin-like-4 (ANGPTL4) secretion exhibited the inhibitory effect which was blocked by culture with the corresponding neutralizing antibody. Overall, our study revealed signaling pathways associated with diabetic wound healing and provided the foothold for further studies on delayed wound healing in this patient population. Mechanism that high glucose activates IL-7-IL-7R-ANGPTL4 signal pathway in delayed wound healing. High glucose upregulates IL-7 and IL-7R in dermal fibroblasts. IL-7 stimulates dermal fibroblasts secreting Angptl4 which inhibits proliferation, migration and angiogenesis of endothelial cells in a paracrine way.
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Affiliation(s)
- Ruikang Gao
- Huazhong University of Science and Technology Tongji Medical College First Clinical College: Wuhan Union Hospital, Wuhan, China
| | - Peng Zhou
- Huazhong University of Science and Technology Tongji Medical College First Clinical College: Wuhan Union Hospital, Wuhan, China
| | - YiQing Li
- Huazhong University of Science and Technology Tongji Medical College First Clinical College: Wuhan Union Hospital, Wuhan, China
| | - Qin Li
- Huazhong University of Science and Technology Tongji Medical College First Clinical College: Wuhan Union Hospital, Wuhan, China
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17
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Riller Q, Fourgeaud J, Bruneau J, De Ravin SS, Smith G, Fusaro M, Meriem S, Magerus A, Luka M, Abdessalem G, Lhermitte L, Jamet A, Six E, Magnani A, Castelle M, Lévy R, Lecuit MM, Fournier B, Winter S, Semeraro M, Pinto G, Abid H, Mahlaoui N, Cheikh N, Florkin B, Frange P, Jeziorski E, Suarez F, Sarrot-Reynauld F, Nouar D, Debray D, Lacaille F, Picard C, Pérot P, Regnault B, Da Rocha N, de Cevins C, Delage L, Pérot BP, Vinit A, Carbone F, Brunaud C, Marchais M, Stolzenberg MC, Asnafi V, Molina T, Rieux-Laucat F, Notarangelo LD, Pittaluga S, Jais JP, Moshous D, Blanche S, Malech H, Eloit M, Cavazzana M, Fischer A, Ménager MM, Neven B. Late-onset enteric virus infection associated with hepatitis (EVAH) in transplanted SCID patients. J Allergy Clin Immunol 2023; 151:1634-1645. [PMID: 36638922 PMCID: PMC10336473 DOI: 10.1016/j.jaci.2022.12.822] [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: 09/16/2022] [Revised: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND Allogenic hematopoietic stem cell transplantation (HSCT) and gene therapy (GT) are potentially curative treatments for severe combined immunodeficiency (SCID). Late-onset posttreatment manifestations (such as persistent hepatitis) are not uncommon. OBJECTIVE We sought to characterize the prevalence and pathophysiology of persistent hepatitis in transplanted SCID patients (SCIDH+) and to evaluate risk factors and treatments. METHODS We used various techniques (including pathology assessments, metagenomics, single-cell transcriptomics, and cytometry by time of flight) to perform an in-depth study of different tissues from patients in the SCIDH+ group and corresponding asymptomatic similarly transplanted SCID patients without hepatitis (SCIDH-). RESULTS Eleven patients developed persistent hepatitis (median of 6 years after HSCT or GT). This condition was associated with the chronic detection of enteric viruses (human Aichi virus, norovirus, and sapovirus) in liver and/or stools, which were not found in stools from the SCIDH- group (n = 12). Multiomics analysis identified an expansion of effector memory CD8+ T cells with high type I and II interferon signatures. Hepatitis was associated with absence of myeloablation during conditioning, split chimerism, and defective B-cell function, representing 25% of the 44 patients with SCID having these characteristics. Partially myeloablative retransplantation or GT of patients with this condition (which we have named as "enteric virus infection associated with hepatitis") led to the reconstitution of T- and B-cell immunity and remission of hepatitis in 5 patients, concomitantly with viral clearance. CONCLUSIONS Enteric virus infection associated with hepatitis is related to chronic enteric viral infection and immune dysregulation and is an important risk for transplanted SCID patients with defective B-cell function.
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Affiliation(s)
- Quentin Riller
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Jacques Fourgeaud
- University of Paris Cité, Paris, France; Microbiology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Pathogen Discovery Laboratory, Institut Pasteur, Université de Paris, Paris, France; Prise en Charge des Anomalies Congénitales et leur Traitement, Unit 7328, Imagine Institute, University of Paris Cité, Paris, France
| | - Julie Bruneau
- University of Paris Cité, Paris, France; Pathology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Imagine Institute, INSERM UMR 1163, Laboratory of Molecular Mechanisms of Hematologic Disorders and Therapeutic Implications, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Suk See De Ravin
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Grace Smith
- Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Md
| | - Mathieu Fusaro
- Study Center for Primary Immunodeficiencies, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Samy Meriem
- Laboratory of Biostatistics, University of Paris Cité, Paris, France
| | - Aude Magerus
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Marine Luka
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Ghaith Abdessalem
- Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Ludovic Lhermitte
- University of Paris Cité, Paris, France; Laboratory of Onco-Haematology, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; the Institut Necker-Enfants Malades (INEM), INSERM UMR 1151, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Anne Jamet
- University of Paris Cité, Paris, France; Microbiology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; the Institut Necker-Enfants Malades (INEM), INSERM UMR 1151, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Emmanuelle Six
- University of Paris Cité, Paris, France; Laboratory of Human Lympho-Hematopoiesis, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Alessandra Magnani
- Department of Biotherapy, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Martin Castelle
- Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Romain Lévy
- University of Paris Cité, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Mathilde M Lecuit
- Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Benjamin Fournier
- University of Paris Cité, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Sarah Winter
- University of Paris Cité, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Michaela Semeraro
- University of Paris Cité, Paris, France; Clinical Investigation Center, Clinical Research Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Graziella Pinto
- Pediatric Endocrinology, Gynecology, Diabetology, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Hanène Abid
- University of Paris Cité, Paris, France; Microbiology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Nizar Mahlaoui
- Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Nathalie Cheikh
- Pediatric Hematology Oncology Unit, University Hospital of Besançon, Besançon, France
| | - Benoit Florkin
- Immuno-Hémato-Rhumatologie Pédiatrique, Service de Pédiatrie, CHR Citadelle, Liege, Belgium
| | - Pierre Frange
- University of Paris Cité, Paris, France; Microbiology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Eric Jeziorski
- Department of Pediatrics, Infectious Diseases, and Immunology, University of Montpellier, CHU Montpellier, Montpellier, France
| | - Felipe Suarez
- University of Paris Cité, Paris, France; Imagine Institute, INSERM UMR 1163, Laboratory of Molecular Mechanisms of Hematologic Disorders and Therapeutic Implications, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Hematology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | | | - Dalila Nouar
- Service d'Immunologie Clinique et d'Allergologie, Centre Hospitalier Régional Universitaire, Tours, France
| | - Dominique Debray
- Pediatric Liver Unit, National Reference Center for Rare Diseases, Biliary Atresia and Genetic Cholestasis, Inflammatory Biliary Diseases and Autoimmune Hepatitis, ERN Rare Liver, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Florence Lacaille
- Gastroenterology-Hepatology-Nutrition Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Capucine Picard
- Study Center for Primary Immunodeficiencies, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Philippe Pérot
- Pathogen Discovery Laboratory, Institut Pasteur, Université de Paris, Paris, France; OIE Collaborating Center for the Detection and Identification in Humans of Emerging Animal Pathogens, Institut Pasteur, Paris, France
| | - Béatrice Regnault
- Pathogen Discovery Laboratory, Institut Pasteur, Université de Paris, Paris, France; OIE Collaborating Center for the Detection and Identification in Humans of Emerging Animal Pathogens, Institut Pasteur, Paris, France
| | - Nicolas Da Rocha
- Pathogen Discovery Laboratory, Institut Pasteur, Université de Paris, Paris, France; OIE Collaborating Center for the Detection and Identification in Humans of Emerging Animal Pathogens, Institut Pasteur, Paris, France
| | - Camille de Cevins
- University of Paris Cité, Paris, France; Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, Imagine Institute, INSERM UMR 1163, Paris, France; Artificial Intelligence & Deep Analytics (AIDA) Group, Data & Data Science (DDS), Sanofi R&D, Chilly-Mazarin, France
| | - Laure Delage
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Brieuc P Pérot
- University of Paris Cité, Paris, France; Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Angélique Vinit
- Sorbonne Université, UMS037, PASS, Plateforme de Cytométrie de la Pitié-Salpêtrière CyPS, Paris, France
| | - Francesco Carbone
- University of Paris Cité, Paris, France; Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, Paris, France; Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Camille Brunaud
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Manon Marchais
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Marie-Claude Stolzenberg
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Vahid Asnafi
- University of Paris Cité, Paris, France; Laboratory of Onco-Haematology, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; the Institut Necker-Enfants Malades (INEM), INSERM UMR 1151, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Thierry Molina
- University of Paris Cité, Paris, France; Pathology Department, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Frédéric Rieux-Laucat
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | | | - Jean Philippe Jais
- University of Paris Cité, Paris, France; Laboratory of Biostatistics, University of Paris Cité, Paris, France
| | - Despina Moshous
- University of Paris Cité, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Laboratory of Genome Dynamics in the Immune System, Equipe Labellisée Ligue contre le Cancer, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Stephane Blanche
- University of Paris Cité, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Harry Malech
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Marc Eloit
- Pathogen Discovery Laboratory, Institut Pasteur, Université de Paris, Paris, France; OIE Collaborating Center for the Detection and Identification in Humans of Emerging Animal Pathogens, Institut Pasteur, Paris, France; Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - Marina Cavazzana
- University of Paris Cité, Paris, France; Laboratory of Onco-Haematology, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Laboratory of Human Lympho-Hematopoiesis, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Alain Fischer
- Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France; Collège de France, Paris, France
| | - Mickaël M Ménager
- University of Paris Cité, Paris, France; Labtech Single-Cell@Imagine, Imagine Institute, INSERM UMR 1163, Paris, France; Laboratory of Inflammatory Responses and Transcriptomic Networks in Diseases, Atip-Avenir Team, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Bénédicte Neven
- University of Paris Cité, Paris, France; Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France; Pediatric Hematology-Immunology and Rheumatology Unit, Necker-Children's Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France.
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18
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Robertson TF, Hou Y, Schrope J, Shen S, Rindy J, Sauer JD, Dinh HQ, Huttenlocher A. A tessellated lymphoid network provides whole-body T cell surveillance in zebrafish. Proc Natl Acad Sci U S A 2023; 120:e2301137120. [PMID: 37155881 PMCID: PMC10193988 DOI: 10.1073/pnas.2301137120] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 03/21/2023] [Indexed: 05/10/2023] Open
Abstract
Homeostatic trafficking to lymph nodes allows T cells to efficiently survey the host for cognate antigen. Nonmammalian jawed vertebrates lack lymph nodes but maintain diverse T cell pools. Here, we exploit in vivo imaging of transparent zebrafish to investigate how T cells organize and survey for antigen in an animal devoid of lymph nodes. We find that naïve-like T cells in zebrafish organize into a previously undescribed whole-body lymphoid network that supports streaming migration and coordinated trafficking through the host. This network has the cellular hallmarks of a mammalian lymph node, including naïve T cells and CCR7-ligand expressing nonhematopoietic cells, and facilitates rapid collective migration. During infection, T cells transition to a random walk that supports antigen-presenting cell interactions and subsequent activation. Our results reveal that T cells can toggle between collective migration and individual random walks to prioritize either large-scale trafficking or antigen search in situ. This lymphoid network thus facilitates whole-body T cell trafficking and antigen surveillance in the absence of a lymph node system.
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Affiliation(s)
- Tanner F. Robertson
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
| | - Yiran Hou
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
| | - Jonathan Schrope
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI53726
| | - Simone Shen
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
| | - Julie Rindy
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
| | - John-Demian Sauer
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
| | - Huy Q. Dinh
- McArdle Laboratory for Cancer Research, University of Wisconsin-Madison, Madison, WI53705
| | - Anna Huttenlocher
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI53706
- Department of Pediatrics, University of Wisconsin-Madison, Madison, WI53792
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19
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Cao W, Sturmlechner I, Zhang H, Jin J, Hu B, Jadhav RR, Fang F, Weyand CM, Goronzy JJ. TRIB2 safeguards naive T cell homeostasis during aging. Cell Rep 2023; 42:112195. [PMID: 36884349 PMCID: PMC10118747 DOI: 10.1016/j.celrep.2023.112195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 12/24/2022] [Accepted: 02/15/2023] [Indexed: 03/08/2023] Open
Abstract
Naive CD4+ T cells are more resistant to age-related loss than naive CD8+ T cells, suggesting mechanisms that preferentially protect naive CD4+ T cells during aging. Here, we show that TRIB2 is more abundant in naive CD4+ than CD8+ T cells and counteracts quiescence exit by suppressing AKT activation. TRIB2 deficiency increases AKT activity and accelerates proliferation and differentiation in response to interleukin-7 (IL-7) in humans and during lymphopenia in mice. TRIB2 transcription is controlled by the lineage-determining transcription factors ThPOK and RUNX3. Ablation of Zbtb7b (encoding ThPOK) and Cbfb (obligatory RUNT cofactor) attenuates the difference in lymphopenia-induced proliferation between naive CD4+ and CD8+ cells. In older adults, ThPOK and TRIB2 expression wanes in naive CD4+ T cells, causing loss of naivety. These findings assign TRIB2 a key role in regulating T cell homeostasis and provide a model to explain the lesser resilience of CD8+ T cells to undergo changes with age.
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Affiliation(s)
- Wenqiang Cao
- Key Laboratory of Major Chronic Diseases of Nervous System of Liaoning Province, Health Sciences Institute of China Medical University, Shenyang 110122, China; Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA.
| | - Ines Sturmlechner
- Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Huimin Zhang
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Jun Jin
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Bin Hu
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA
| | - Rohit R Jadhav
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Fengqin Fang
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Laboratory Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China
| | - Cornelia M Weyand
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Medicine, Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Jörg J Goronzy
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Palo Alto Veterans Administration Healthcare System, Palo Alto, CA 94305, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Medicine, Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Robert and Arlene Kogod Center on Aging, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA.
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20
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Choi H, Kim Y, Jung YW. The Function of Memory CD8+ T Cells in Immunotherapy for Human Diseases. Immune Netw 2023; 23:e10. [PMID: 36911798 PMCID: PMC9995995 DOI: 10.4110/in.2023.23.e10] [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: 12/28/2022] [Revised: 02/13/2023] [Accepted: 02/13/2023] [Indexed: 03/07/2023] Open
Abstract
Memory T (Tm) cells protect against Ags that they have previously contacted with a fast and robust response. Therefore, developing long-lived Tm cells is a prime goal for many vaccines and therapies to treat human diseases. The remarkable characteristics of Tm cells have led scientists and clinicians to devise methods to make Tm cells more useful. Recently, Tm cells have been highlighted for their role in coronavirus disease 2019 vaccines during the ongoing global pandemic. The importance of Tm cells in cancer has been emerging. However, the precise characteristics and functions of Tm cells in these diseases are not completely understood. In this review, we summarize the known characteristics of Tm cells and their implications in the development of vaccines and immunotherapies for human diseases. In addition, we propose to exploit the beneficial characteristics of Tm cells to develop strategies for effective vaccines and overcome the obstacles of immunotherapy.
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Affiliation(s)
- Hanbyeul Choi
- Department of Pharmacy, Korea University, Sejong 30019, Korea
| | - Yeaji Kim
- Department of Pharmacy, Korea University, Sejong 30019, Korea
| | - Yong Woo Jung
- Department of Pharmacy, Korea University, Sejong 30019, Korea
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21
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Robertson TF, Hou Y, Shen S, Rindy J, Sauer JD, Dinh HQ, Huttenlocher A. A tessellated lymphoid network provides whole-body T cell surveillance in zebrafish. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.17.524414. [PMID: 36711463 PMCID: PMC9882119 DOI: 10.1101/2023.01.17.524414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Homeostatic trafficking to lymph nodes allows T cells to efficiently survey the host for cognate antigen. Non-mammalian jawed vertebrates lack lymph nodes but maintain similarly diverse T cell pools. Here, we exploit in vivo imaging of transparent zebrafish to investigate how T cells organize and survey for antigen in an animal devoid of lymph nodes. We find that naïve-like T cells in zebrafish organize into a previously undescribed whole-body lymphoid network that supports streaming migration and coordinated trafficking through the host. This network has the cellular hallmarks of a mammalian lymph node, including naïve T cells and CCR7-ligand expressing non-hematopoietic cells, and facilitates rapid collective migration. During infection, T cells transition to a random walk that supports antigen presenting cell interactions and subsequent activation. Our results reveal that T cells can toggle between collective migration and individual random walks to prioritize either large-scale trafficking or antigen search in situ . This novel lymphoid network thus facilitates whole-body T cell trafficking and antigen surveillance in the absence of a lymph node system. Significance Statement In mammals, lymph nodes play a critical role in the initiation of adaptive immune responses by providing a dedicated place for T cells to scan antigen-presenting cells. Birds, reptiles, amphibians, and fish all maintain diverse repertoires of T cells but lack lymph nodes, raising questions about how adaptive immunity functions in lower jawed vertebrates. Here, we describe a novel network of lymphocytes in zebrafish that supports whole-body T cell trafficking and provides a site for antigen search, mirroring the function of mammalian lymph nodes. Within this network, T cells can prioritize large-scale trafficking or antigen scanning by toggling between two distinct modes of migration. This network provides valuable insights into the evolution of adaptive immunity.
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22
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McCurry D, Flowers CR, Bermack C. Immune-based therapies in diffuse large B-cell lymphoma. Expert Opin Investig Drugs 2023; 32:479-493. [PMID: 37394970 DOI: 10.1080/13543784.2023.2230137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/23/2023] [Indexed: 07/04/2023]
Abstract
INTRODUCTION Diffuse large B-cell lymphoma (DLBCL) is an aggressive and clinically heterogeneous malignancy originating from B-cells with up to 40% of patients experiencing primary refractory disease or relapse after first-line treatment. However, the past 5 years have seen a flurry of new drug approvals for DLBCL anchored upon new immune therapies, including chimeric antigen receptor (CAR) T-cells and antibody-based therapies. AREAS COVERED This article summarizes recent advances in the treatment of DLBCL, including in the first line and relapsed and refractory setting (second-line and beyond). A literature search was conducted for publications relevant to the immunotherapeutic approach to DLBCL from 2000 through March 2023 within PubMed and articles were reviewed. The search terms were immunotherapy, monoclonal antibodies, chimeric antigen receptor modified T-cell (CAR-T), and classification of DLBCL. Relevant clinical trials and pre-clinical studies exploring the strengths and weaknesses of current immune therapies against DLBCL were chosen. We additionally explored how intrinsic differences amongst DLBCL subtype biology and endogenous host immune recruitment contribute to variable therapeutic efficacy. EXPERT OPINION Future treatments will minimize chemotherapy exposure and be chosen by underlying tumor biology, paving the way for the promise of chemotherapeutic free regimens and improved outcomes for poor-risk subgroups.
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Affiliation(s)
- Dustin McCurry
- Oncology Fellow, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Christopher R Flowers
- Division Head Ad Interim of Cancer Medicine, Chair and Professor of the Department of Lymphoma-Myeloma, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Casey Bermack
- Oncology Fellow, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, USA
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23
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Song X, Chen X, Bai J, Zhang J. Association between pre-stroke sarcopenia risk and stroke-associated infection in older people with acute ischemic stroke. Front Med (Lausanne) 2023; 10:1090829. [PMID: 36910490 PMCID: PMC9995446 DOI: 10.3389/fmed.2023.1090829] [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: 12/05/2022] [Accepted: 01/27/2023] [Indexed: 02/25/2023] Open
Abstract
Background Stroke-associated infection (SAI) is a common complication after a stroke. The incidence of infection was higher in people with sarcopenia than in the general population. However, the relationship between pre-stroke sarcopenia risk and SAI in older patients has not been confirmed. This study aimed to investigate the association between pre-stroke sarcopenia risk and SAI in older patients with acute ischemic stroke (AIS). Methods This retrospective study was conducted by the Peking University People's Hospital. We evaluated the pre-stroke sarcopenia risk by applying the SARC-F questionnaire. Multivariate logistic regression was applied to explore the association between pre-stroke sarcopenia risk and SAI. Results A total of 1,002 elder patients with AIS (592 men; 72.9 ± 8.6 years) were enrolled in our study. Pre-stroke sarcopenia risk was found in 29.1% of the cohort. The proportion of patients with pre-stroke sarcopenia risk was larger in the SAI group than in the non-SAI group (43.2 vs. 25.3%, p < 0.001). In multivariate logistic analysis, pre-stroke sarcopenia risk was shown to be independently associated with SAI (OR = 1.454, 95% CI: 1.008-2.097, p = 0.045) after adjusting for potential factors. This association remained consistent across the subgroups based on age, sex, body mass index, smoking status, drinking status, diabetes, hypertension, and dyslipidemia. Conclusion Pre-stroke sarcopenia risk was independently associated with SAI in older patients with AIS. Our findings highlight the significance of pre-stroke sarcopenia identification in the prevention and management of SAI in this population.
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Affiliation(s)
- Xiaodong Song
- Department of Neurology, Peking University People's Hospital, Beijing, China
| | - Xufeng Chen
- Department of Neurology, Beijing Jishuitan Hospital, Beijing, China
| | - Jie Bai
- Department of Infectious Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Zhang
- Department of Neurology, Peking University People's Hospital, Beijing, China
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24
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IL-7: Comprehensive review. Cytokine 2022; 160:156049. [DOI: 10.1016/j.cyto.2022.156049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 01/08/2023]
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25
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Taylor CA, Watson RA, Tong O, Ye W, Nassiri I, Gilchrist JJ, de Los Aires AV, Sharma PK, Koturan S, Cooper RA, Woodcock VK, Jungkurth E, Shine B, Coupe N, Payne MJ, Church DN, Naranbhai V, Groha S, Emery P, Mankia K, Freedman ML, Choueiri TK, Middleton MR, Gusev A, Fairfax BP. IL7 genetic variation and toxicity to immune checkpoint blockade in patients with melanoma. Nat Med 2022; 28:2592-2600. [PMID: 36526722 PMCID: PMC9800275 DOI: 10.1038/s41591-022-02095-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 10/18/2022] [Indexed: 12/23/2022]
Abstract
Treatment with immune checkpoint blockade (ICB) frequently triggers immune-related adverse events (irAEs), causing considerable morbidity. In 214 patients receiving ICB for melanoma, we observed increased severe irAE risk in minor allele carriers of rs16906115, intronic to IL7. We found that rs16906115 forms a B cell-specific expression quantitative trait locus (eQTL) to IL7 in patients. Patients carrying the risk allele demonstrate increased pre-treatment B cell IL7 expression, which independently associates with irAE risk, divergent immunoglobulin expression and more B cell receptor mutations. Consistent with the role of IL-7 in T cell development, risk allele carriers have distinct ICB-induced CD8+ T cell subset responses, skewing of T cell clonality and greater proportional repertoire occupancy by large clones. Finally, analysis of TCGA data suggests that risk allele carriers independently have improved melanoma survival. These observations highlight key roles for B cells and IL-7 in both ICB response and toxicity and clinical outcomes in melanoma.
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Affiliation(s)
- Chelsea A Taylor
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Robert A Watson
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
| | - Orion Tong
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Weiyu Ye
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Isar Nassiri
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - James J Gilchrist
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Paediatrics, University of Oxford, Oxford, UK
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Alba Verge de Los Aires
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Piyush Kumar Sharma
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Surya Koturan
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Rosalin A Cooper
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Victoria K Woodcock
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
| | - Elsita Jungkurth
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Oncology, University of Oxford, Oxford, UK
| | - Brian Shine
- Department of Clinical Biochemistry, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
| | - Nicholas Coupe
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
| | - Miranda J Payne
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
| | - David N Church
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
- Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK
| | - Vivek Naranbhai
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, USA
- Center for the AIDS Programme of Research in South Africa, Durban, South Africa
| | - Stefan Groha
- Department of Medical Oncology, Division of Population Sciences, Dana-Farber Cancer Institute, Boston, MA, USA
- Broad Institute of Harvard & MIT, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Kulveer Mankia
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Matthew L Freedman
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard & MIT, Cambridge, MA, USA
| | - Toni K Choueiri
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard & MIT, Cambridge, MA, USA
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Mark R Middleton
- Department of Oncology, University of Oxford, Oxford, UK
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK
- NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Alexander Gusev
- Department of Medical Oncology, Division of Population Sciences, Dana-Farber Cancer Institute, Boston, MA, USA
- Broad Institute of Harvard & MIT, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
- Division of Genetics, Brigham and Women's Hospital, Boston, MA, USA
| | - Benjamin P Fairfax
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
- Department of Oncology, University of Oxford, Oxford, UK.
- Oxford Cancer and Haematology Centre, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Oxford, UK.
- NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.
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Hinrichs AC, Kruize AA, Leavis HL, van Roon JAG. In patients with primary Sjögren's syndrome innate-like MAIT cells display upregulated IL-7R, IFN-γ, and IL-21 expression and have increased proportions of CCR9 and CXCR5-expressing cells. Front Immunol 2022; 13:1017157. [PMID: 36505431 PMCID: PMC9729251 DOI: 10.3389/fimmu.2022.1017157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/04/2022] [Indexed: 11/25/2022] Open
Abstract
Introduction Mucosal-associated invariant T (MAIT) cells might play a role in B cell hyperactivity and local inflammation in primary Sjögren's syndrome (pSS), just like previously studied mucosa-associated CCR9+ and CXCR5+ T helper cells. Here, we investigated expression of CCR9, CXCR5, IL-18R and IL-7R on MAIT cells in pSS, and assessed the capacity of DMARDs to inhibit the activity of MAIT cells. Methods Circulating CD161+ and IL-18Rα+ TCRVα7.2+ MAIT cells from pSS patients and healthy controls (HC) were assessed using flow cytometry, and expression of CCR9, CXCR5, and IL-7R on MAIT cells was studied. Production of IFN-γ and IL-21 by MAIT cells was measured upon IL-7 stimulation in the presence of leflunomide (LEF) and hydroxychloroquine (HCQ). Results The numbers of CD161+ and IL-18Rα+ MAIT cells were decreased in pSS patients compared to HC. Relative increased percentages of CD4 MAIT cells in pSS patients caused significantly higher CD4/CD8 ratios in MAIT cells. The numbers of CCR9 and CXCR5-expressing MAIT cells were significantly higher in pSS patients. IL-7R expression was higher in CD8 MAIT cells as compared to all CD8 T cells, and changes in IL-7R expression correlated to several clinical parameters. The elevated production of IL-21 by MAIT cells was significantly inhibited by LEF/HCQ treatment. Conclusion Circulating CD161+ and IL-18Rα+ MAIT cell numbers are decreased in pSS patients. Given their enriched CCR9/CXCR5 expression this may facilitate migration to inflamed salivary glands known to overexpress CCL25/CXCL13. Given the pivotal role of IL-7 and IL-21 in inflammation in pSS this indicates a potential role for MAIT cells in driving pSS immunopathology.
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Affiliation(s)
- Anneline C. Hinrichs
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands,Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Aike A. Kruize
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Helen L. Leavis
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Joel A. G. van Roon
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands,Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands,*Correspondence: Joel A. G. van Roon,
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A single administration of hIL-7-hyFc induces long-lasting T-cell expansion with maintained effector functions. Blood Adv 2022; 6:6093-6107. [PMID: 36206199 PMCID: PMC9772483 DOI: 10.1182/bloodadvances.2021006591] [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: 11/10/2021] [Revised: 07/29/2022] [Accepted: 09/01/2022] [Indexed: 12/15/2022] Open
Abstract
Interleukin-7 (IL-7) is an essential cytokine for T-cell homeostatic proliferation and maintenance. Clinical studies have shown the potential benefits of IL-7 therapy in various diseases associated with lymphopenia. However, the kinetics of the T-cell response to a single administration of IL-7 in humans have not been fully elucidated. Here, we investigated the effects of Fc-fused long-acting recombinant human IL-7 (hIL-7-hyFc, efineptakin alfa) on lymphocytes in healthy adults after a single subcutaneous or intramuscular administration. Administration of hIL-7-hyFc increased the CD8+ and CD4+ T-cell numbers up to 2.5-fold, with corresponding upregulation of Ki-67 and Bcl-2 expression, peaking at day 3 or 7. Regulatory T cells (Tregs) did not expand. Among CD8+ and CD4+ T cells, all T-cell subsets (TN, TEM, TCM, TEMRA, and TSCM) increased for 56 days. The T-cell receptor repertoire diversity of naive CD8+ and CD4+ T cells was increased by hIL-7-hyFc, whereas the memory T-cell subsets did not differ between day 56 and day 0. Transcriptomic analysis revealed that hIL-7-hyFc induced robust T-cell expansion without changes in gene expression profiles associated with T-cell functions or genes related to T-cell exhaustion, senescence, and anergy. The effector functions of antigen-specific CD8+ T cells were preserved after hIL-7-hyFc administration. Our results suggest that hIL-7-hyFc administration induced a sustained increase in the numbers of CD8+ and CD4+ T cells, but not Tregs, without qualitative changes. These results support the potential of hIL-7-hyFc as a treatment for patients with compromised T-cell immunity or as a vaccine adjuvant.
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Song EH, Xu M, Yang J, Xiao Y, Griffith AV, Xiong N. Delta-like 4-Derived Notch Signals Differentially Regulate Thymic Generation of Skin-Homing CCR10 +NK1.1 + Innate Lymphoid Cells at Neonatal and Adult Stages. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:950-959. [PMID: 35922065 PMCID: PMC9492633 DOI: 10.4049/jimmunol.2100870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 06/27/2022] [Indexed: 11/06/2022]
Abstract
The thymus is a primary lymphoid organ for T cell development. Increasing evidence found that the thymus is also an important site for development of innate lymphoid cells (ILCs). ILCs generated in thymi acquire unique homing properties that direct their localization into barrier tissues such as the skin and intestine, where they help local homeostasis. Mechanisms underlying the developmental programming of unique tissue-homing properties of ILCs are poorly understood. We report in this article that thymic stroma-derived Notch signaling is differentially involved in thymic generation of a population of NK1.1+ group 1 ILCs (ILC1s) with the CCR10+ skin-homing property in adult and neonatal mice. We found that thymic generation of CCR10+NK1.1+ ILC1s is increased in T cell-deficient mice at adult, but not neonatal, stages, supporting the notion that a large number of developing T cells interfere with signals required for generation of CCR10+NK1.1+ ILC1s. In an in vitro differentiation assay, increasing Notch signals promotes generation of CCR10+NK1.1+ ILC1s from hematopoietic progenitors. Knockout of the Notch ligand Delta-like 4 in thymic stroma impairs generation of CCR10+NK1.1+ ILC1s in adult thymi, but development of CCR10+NK1.1+ ILC1s in neonatal thymi is less dependent on Delta-like 4-derived Notch signals. Mechanistically, the Notch signaling is required for proper expression of the IL-7R CD127 on thymic NK1.1+ ILC1s, and deficiency of CD127 also impairs thymic generation of CCR10+NK1.1+ ILC1s at adult, but not perinatal, stages. Our findings advanced understanding of regulatory mechanisms of thymic innate lymphocyte development.
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Affiliation(s)
- Eun Hyeon Song
- The Molecular, Cellular, and Integrative Biosciences Graduate Program, Pennsylvania State University, University Park, PA
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, San Antonio, TX
| | - Ming Xu
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, San Antonio, TX
| | - Jie Yang
- The Molecular, Cellular, and Integrative Biosciences Graduate Program, Pennsylvania State University, University Park, PA
| | - Yangming Xiao
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, San Antonio, TX
| | - Ann V Griffith
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, San Antonio, TX
| | - Na Xiong
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center San Antonio, San Antonio, TX;
- Division of Dermatology and Cutaneous Surgery, Department of Medicine, University of Texas Health Science Center San Antonio, San Antonio, TX; and
- Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA
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Galarza-Muñoz G, Kennedy-Boone D, Schott G, Bradrick SS, Garcia-Blanco MA. Antisense modulation of IL7R splicing to control sIL7R expression in human CD4 + T cells. RNA (NEW YORK, N.Y.) 2022; 28:1058-1073. [PMID: 35613883 PMCID: PMC9297843 DOI: 10.1261/rna.079137.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
The interleukin 7 receptor (IL7R) is strongly associated with increased risk to develop multiple sclerosis (MS), an autoimmune disease of the central nervous system, and this association is likely driven by up-regulation of the soluble isoform of IL7R (sIL7R). Expression of sIL7R is determined by exclusion of the alternative exon 6 from IL7R transcripts, and our previous work revealed that the MS risk allele of the SNP rs6897932 within this exon enhances the expression of sIL7R by promoting exclusion of exon 6. sIL7R potentiates the activity of IL7, leading to enhanced expansion of T cells and increased disability in the experimental autoimmune encephalomyelitis (EAE) murine model of MS. This role in modulating T cell-driven immunity positions sIL7R as an attractive therapeutic target whose expression could be reduced for treatment of MS or increased for treatment of cancers. In this study, we identified novel antisense oligonucleotides (ASOs) that effectively control the inclusion (anti-sIL7R ASOs) or exclusion (pro-sIL7R ASOs) of this exon in a dose-dependent fashion. These ASOs provided excellent control of exon 6 splicing and sIL7R secretion in human primary CD4+ T cells. Supporting their potential for therapeutic targeting, we showed that lead anti-sIL7R ASOs correct the enhanced exon 6 exclusion imposed by the MS risk allele of rs6897932, whereas lead pro-sIL7R ASOs phenocopy it. The data presented here form the foundation for future preclinical studies that will test the therapeutic potential of these ASOs in MS and immuno-oncology.
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Affiliation(s)
- Gaddiel Galarza-Muñoz
- Autoimmunity BioSolutions, Galveston, Texas 77550, USA
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Department of Neurology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Debbie Kennedy-Boone
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Geraldine Schott
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Shelton S Bradrick
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas 77550, USA
| | - Mariano A Garcia-Blanco
- Autoimmunity BioSolutions, Galveston, Texas 77550, USA
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, Texas 77550, USA
- Institute of Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas 77550, USA
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He H, Qiao B, Guo S, Cui H, Zhang Z, Qin J. Interleukin-7 regulates CD127 expression and promotes CD8 + T cell activity in patients with primary cutaneous melanoma. BMC Immunol 2022; 23:35. [PMID: 35850640 PMCID: PMC9295418 DOI: 10.1186/s12865-022-00509-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 07/06/2022] [Indexed: 11/22/2022] Open
Abstract
Background Interleukin (IL)-7 signaling through CD127 is impaired in lymphocytes in cancers and chronic infections, resulting in CD8+ T cell exhaustion. The mechanisms underlying CD8+ T cell responses to IL-7 in melanoma remain not completely elucidated. We previously showed reduced IL-7 level in melanoma patients. Thus, the aim of this study was to investigate the effect of IL-7 regulation on CD127 expression and CD8+ T cell responses in melanoma. Methods Healthy controls and primary cutaneous melanoma patients were enrolled. Membrane-bound CD127 (mCD127) expression on CD8+ T cells was determined by flow cytometry. Soluble CD127 (sCD127) protein level was measured by ELISA. Total CD127 and sCD127 mRNA level was measured by real-time PCR. CD8+ T cells were stimulated with recombinant human IL-7, along with signaling pathway inhibitors. CD8+ T cells were co-cultured with melanoma cell line, and the cytotoxicity of CD8+ T cells was assessed by measurement of lactate dehydrogenase expression. Results Plasma sCD127 was lower in melanoma patients compared with controls. The percentage of CD8+ T cells expressing mCD127 was higher, while sCD127 mRNA level was lower in peripheral and tumor-infiltrating CD8+ T cells from melanoma patients. There was no significant difference of total CD127 mRNA expression in CD8+ T cells between groups. IL-7 stimulation enhanced total CD127 and sCD127 mRNA expression and sCD127 release by CD8+ T cells. However, mCD127 mRNA expression on CD8+ T cells was not affected. This process was mainly mediated by phosphatidylinositol 3-kinase (PI3K) pathway. CD8+ T cells from melanoma patients exhibited decreased cytotoxicity. IL-7 stimulation promoted CD8+ T cell cytotoxicity, while inhibition of PI3K dampened IL-7-induced elevation of CD8+ T cell cytotoxicity. Conclusion The current data suggested that insufficient IL-7 secretion might contribute to CD8+ T cell exhaustion and CD127 dysregulation in patients with primary cutaneous melanoma.
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Affiliation(s)
- Hongxia He
- Department of Dermatology, The First Hospital of Shanxi Medical University, 85 South Jiefang Road, Taiyuan, 030000, Shanxi, China.
| | - Binjun Qiao
- Department of Emergency, The First Hospital of Shanxi Medical University, Taiyuan, 030000, Shanxi, China
| | - Shuping Guo
- Department of Dermatology, The First Hospital of Shanxi Medical University, 85 South Jiefang Road, Taiyuan, 030000, Shanxi, China
| | - Hongzhou Cui
- Department of Dermatology, The First Hospital of Shanxi Medical University, 85 South Jiefang Road, Taiyuan, 030000, Shanxi, China
| | - Ziyan Zhang
- Department of Dermatology, The First Hospital of Shanxi Medical University, 85 South Jiefang Road, Taiyuan, 030000, Shanxi, China
| | - Junxia Qin
- Department of Dermatology, The Affiliated Shanxi Provincial People's Hospital of Shanxi Medical University, Taiyuan, 030000, Shanxi, China
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Research Note: Development and Characterization of Monoclonal Antibodies Specific for Chicken Interleukin-7 Receptor α (CD127). Poult Sci 2022; 101:102047. [PMID: 35973349 PMCID: PMC9396400 DOI: 10.1016/j.psj.2022.102047] [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: 03/08/2022] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 11/23/2022] Open
Abstract
Chicken recombinant IL-7Ra (chCD127) was expressed and characterized. Six new mouse monoclonal antibodies (MAbs) specific for chCD127 were developed and characterized. All mouse anti-CD127 MAbs detected chCD127 protein in ELISA with two clones highly reactive with chicken leukocytes in flow cytometry. The CD127 as identified by the MAb 3B8 was highly expressed in thymus, lung, and spleen tissues of 3-week-old chickens. All six anti-chCD127 MAbs inhibited IL-7-induced thymocyte proliferation.
CD127, also named interleukin-7 receptor (IL-7R), is expressed on various cell types including naive and memory T cells, and plays a critical role in the differentiation and activation of T lymphocytes. The availability of poultry-specific immune reagents to identify and measure chicken CD127 response will enhance fundamental and applied research in poultry immunology. Mouse monoclonal antibodies (MAbs) against chicken CD127 (chCD127) were developed and characterized. More specifically, a 678 bp ectodomain of chCD127 gene was cloned in the pET28a (+) vector and expressed in BL21-AI E. coli competent cells. The recombinant chCD127 protein with a size of 30 KDa which was also recognized by a mouse anti-human CD127 MAb (Clone G-11) was used to immunize mice, and 6 new mouse MAbs which specifically detected chicken CD127 were developed and characterized. Availability of these new sets of chCD127-specific MAbs will facilitate the immunological studies on CD127 in poultry, especially in understanding effector and memory T immune cell responses in normal and diseased states.
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Meyer A, Parmar PJ, Shahrara S. Significance of IL-7 and IL-7R in RA and autoimmunity. Autoimmun Rev 2022; 21:103120. [PMID: 35595051 PMCID: PMC9987213 DOI: 10.1016/j.autrev.2022.103120] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 05/15/2022] [Indexed: 11/02/2022]
Abstract
While physiological levels of IL-7 are essential for T cell proliferation, survival and co-stimulation, its escalated concentration has been associated with autoimmune diseases such as Rheumatoid arthritis (RA). Expression of IL-7 and IL-7R in RA monocytes is linked to disease activity score and TNF transcription. TNF stimulation can modulate IL-7 secretion and IL-7R frequency in myeloid cells, however, only IL-7R transcription levels are downregulated in anti-TNF responsive patients. Elevated levels of IL-7 in RA synovial tissue and fluid are involved in attracting RA monocytes into the inflammatory joints and remodeling them into proinflammatory macrophages and mature osteoclasts. Further, IL-7 amplification of RA Th1 cell differentiation and IFNγ secretion, can directly prime myeloid IL-7R expression and thereby exacerbate IL-7-mediated joint inflammatory and erosive imprints. In parallel, IL-7 accentuates joint angiogenesis by expanding the production of proangiogenic factors from RA macrophages and endothelial cells. In preclinical models, blockade of IL-7 or IL-7R can effectively impair joint inflammation, osteoclast formation, and neovascularization primarily by impeding monocyte and endothelial cell infiltration as well as inhibition of pro-inflammatory macrophage and Th1/Th17 cell differentiation. In conclusion, disruption of IL-7/IL-7R signaling can uniquely intercept the crosstalk between RA myeloid and lymphoid cells in their ability to trigger neovascularization.
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Affiliation(s)
- Anja Meyer
- Jesse Brown VA Medical Center, Chicago, IL, USA; Department of Medicine, Division of Rheumatology, the University of Illinois at Chicago, IL, USA
| | - Prashant J Parmar
- Department of Medicine, Division of Rheumatology, the University of Illinois at Chicago, IL, USA
| | - Shiva Shahrara
- Jesse Brown VA Medical Center, Chicago, IL, USA; Department of Medicine, Division of Rheumatology, the University of Illinois at Chicago, IL, USA.
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Caputo MB, Elias J, Cesar G, Alvarez MG, Laucella SA, Albareda MC. Role of the Complement System in the Modulation of T-Cell Responses in Chronic Chagas Disease. Front Cell Infect Microbiol 2022; 12:910854. [PMID: 35846776 PMCID: PMC9282465 DOI: 10.3389/fcimb.2022.910854] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/26/2022] [Indexed: 01/19/2023] Open
Abstract
Chagas disease, caused by the intracellular pathogen Trypanosoma cruzi, is the parasitic disease with the greatest impact in Latin America and the most common cause of infectious myocarditis in the world. The immune system plays a central role in the control of T. cruzi infection but at the same time needs to be controlled to prevent the development of pathology in the host. It has been shown that persistent infection with T. cruzi induces exhaustion of parasite-specific T cell responses in subjects with chronic Chagas disease. The continuous inflammatory reaction due to parasite persistence in the heart also leads to necrosis and fibrosis. The complement system is a key element of the innate immune system, but recent findings have also shown that the interaction between its components and immune cell receptors might modulate several functions of the adaptive immune system. Moreover, the findings that most of immune cells can produce complement proteins and express their receptors have led to the notion that the complement system also has non canonical functions in the T cell. During human infection by T. cruzi, complement activation might play a dual role in the acute and chronic phases of Chagas disease; it is initially crucial in controlling parasitemia and might later contributes to the development of symptomatic forms of Chagas disease due to its role in T-cell regulation. Herein, we will discuss the putative role of effector complement molecules on T-cell immune exhaustion during chronic human T. cruzi infection.
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Affiliation(s)
- María Belén Caputo
- Investigation Department, Instituto Nacional de Parasitología Dr. Fatala Chaben, Buenos Aires, Argentina
| | - Josefina Elias
- Investigation Department, Instituto Nacional de Parasitología Dr. Fatala Chaben, Buenos Aires, Argentina
| | - Gonzalo Cesar
- Investigation Department, Instituto Nacional de Parasitología Dr. Fatala Chaben, Buenos Aires, Argentina
| | - María Gabriela Alvarez
- Chagas Section, Hospital Interzonal General de Agudos Eva Perón, Buenos Aires, Argentina
| | - Susana Adriana Laucella
- Investigation Department, Instituto Nacional de Parasitología Dr. Fatala Chaben, Buenos Aires, Argentina
- Chagas Section, Hospital Interzonal General de Agudos Eva Perón, Buenos Aires, Argentina
| | - María Cecilia Albareda
- Investigation Department, Instituto Nacional de Parasitología Dr. Fatala Chaben, Buenos Aires, Argentina
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Zhang J, Zhan F, Liu H. Expression Level and Significance of Tim-3 in CD4 + T Lymphocytes in Peripheral Blood of Patients with Coronary Heart Disease. Braz J Cardiovasc Surg 2022; 37:350-355. [PMID: 34236813 PMCID: PMC9162406 DOI: 10.21470/1678-9741-2020-0509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 10/05/2020] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE To investigate the expression level and significance of T cell immunoglobulin and mucin-domain containing molecules-3 (Tim-3) and interleukin-7 (IL-7) in CD4+ T lymphocytes in peripheral blood of patients with coronary heart disease (CHD). METHODS 75 patients with CHD treated at our hospital were selected and classified as mild group (25 cases), moderate group (25 cases) and severe group (25 cases), according to the severity of illness. Twenty-five healthy volunteers who underwent a physical examination at our hospital during the same period were selected as the control group. The expression level of Tim-3 in CD4+ T lymphocytes in peripheral blood of patients in four groups was detected by flow cytometry and quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR). The expression level of IL-7 in peripheral blood serum was measured by enzymelinked immunosorbent assay (ELISA). Correlation analyses of Tim-3 and IL-7, Tim-3 and disease severity and IL-7 and disease severity were performed, respectively. RESULTS Flow cytometry and qRT-PCR demonstrated that the expression of Tim-3 in CD4+ T lymphocytes in peripheral blood of patients with CHD increased with the aggravation of the disease. ELISA showed that the tendency of IL-7 expression in peripheral blood serum was consistent with the expression of Tim-3, and the expression of Tim-3 had a positive correlation with IL-7. The expression levels of both Tim-3 and IL-7 were positively correlated with the Gensini score. CONCLUSION The expression of Tim-3 and IL-7 in peripheral blood of patients with CHD was upregulated and increased with the aggravation of CHD.
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Affiliation(s)
- Jian Zhang
- Department of Clinical Laboratory, ChangZhou Tumor Hospital affiliated to Soochow University, ChangZhou, China
| | - Feng Zhan
- Department of Clinical Laboratory, ChangZhou Tumor Hospital affiliated to Soochow University, ChangZhou, China
| | - Huiling Liu
- Department of Clinical Laboratory, ChangZhou Tumor Hospital affiliated to Soochow University, ChangZhou, China
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Khairallah C, Chu TH, Qiu Z, Imperato JN, Yang D, Sheridan BS. The accumulation of Vγ4 T cells with aging is associated with an increased adaptive Vγ4 T cell response after foodborne Listeria monocytogenes infection of mice. Immun Ageing 2022; 19:19. [PMID: 35501808 PMCID: PMC9063344 DOI: 10.1186/s12979-022-00275-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/19/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND It is generally accepted that aging has detrimental effects on conventional T cell responses to systemic infections. However, most pathogens naturally invade the body through mucosal barriers. Although mucosal sites are highly enriched in unconventional immune sentinels like γδ T cells, little is currently known about the impact of aging on unconventional mucosal T cell responses. We previously established that foodborne infection with a mouse-adapted internalin A mutant Listeria monocytogenes (Lm) generates an adaptive intestinal memory CD44hi CD27neg Vγ4 T cells capable of co-producing IL-17A and IFNγ. Therefore, we used this model to evaluate the impact of aging on adaptive Vγ4 T cell responses elicited by foodborne infection. RESULTS Foodborne Lm infection of female Balb/c and C57BL/6 mice led to an increased adaptive CD44hi CD27neg Vγ4 T cell response associated with aging. Moreover, Lm-elicited CD44hi CD27neg Vγ4 T cells maintained diverse functional subsets despite some alterations favoring IL-17A production as mice aged. In contrast to the documented susceptibility of aged mice to intravenous Lm infection, mice contained bacteria after foodborne Lm infection suggesting that elevated bacterial burden was not a major factor driving the increased adaptive CD44hi CD27neg Vγ4 T cell response associated with mouse age. However, CD44hi CD27neg Vγ4 T cells accumulated in naïve mice as they aged suggesting that an increased precursor frequency contributes to the robust Lm-elicited mucosal response observed. Body mass did not appear to have a strong positive association with CD44hi CD27neg Vγ4 T cells within age groups. Although an increased adaptive CD44hi CD27neg Vγ4 T cell response may contribute to foodborne Lm resistance of C57BL/6 mice aged 19 or more months, neither anti-TCRδ or anti-IL-17A treatment impacted Lm colonization after primary infection. These results suggest that γδTCR signaling and IL-17A are dispensable for protection after primary foodborne Lm infection consistent with the role of conventional T cells during the early innate immune response to Lm. CONCLUSIONS Lm-elicited adaptive Vγ4 T cells appear resistant to immunosenescence and memory Vγ4 T cells could be utilized to provide protective immune functions during enteric infection of aged hosts. As such, oral immunization might offer an efficient therapeutic approach to generate unconventional memory T cells in the elderly.
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Affiliation(s)
- Camille Khairallah
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Timothy H. Chu
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Zhijuan Qiu
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Jessica N. Imperato
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Daniella Yang
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
| | - Brian S. Sheridan
- grid.36425.360000 0001 2216 9681Department of Microbiology and Immunology, Center for Infectious Diseases, Renaissance School of Medicine, Stony Brook University, 246 Centers for Molecular Medicine, Stony Brook, 11794 NY USA
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36
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Goncharov MM, Bryushkova EA, Sharaev NI, Skatova VD, Baryshnikova AM, Sharonov GV, Karnaukhov V, Vakhitova MT, Samoylenko IV, Demidov LV, Lukyanov S, Chudakov DM, Serebrovskaya EO. Pinpointing the tumor-specific T-cells via TCR clusters. eLife 2022; 11:77274. [PMID: 35377314 PMCID: PMC9023053 DOI: 10.7554/elife.77274] [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: 01/22/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Adoptive cell transfer (ACT) is a promising approach to cancer immunotherapy, but its efficiency fundamentally depends on the extent of tumor-specific T cell enrichment within the graft. This can be estimated via activation with identifiable neoantigens, tumor-associated antigens (TAAs), or living or lysed tumor cells, but these approaches remain laborious, time-consuming, and functionally limited, hampering clinical development of ACT. Here, we demonstrate that homology cluster analysis of T cell receptor (TCR) repertoires efficiently identifies tumor-reactive TCRs allowing to: (1) detect their presence within the pool of tumor-infiltrating lymphocytes (TILs); (2) optimize TIL culturing conditions, with IL-2low/IL-21/anti-PD-1 combination showing increased efficiency; (3) investigate surface marker-based enrichment for tumor-targeting T cells in freshly isolated TILs (enrichment confirmed for CD4+ and CD8+ PD-1+/CD39+ subsets), or re-stimulated TILs (informs on enrichment in 4-1BB-sorted cells). We believe that this approach to the rapid assessment of tumor-specific TCR enrichment should accelerate T cell therapy development.
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Affiliation(s)
- Mikhail M Goncharov
- Center of Life Sciences, Skolkovo Institute of Science and Technology, Moscow, Russian Federation
| | | | - Nikita I Sharaev
- Center of Life Sciences, Skolkovo Institute of Science and Technology, Moscow, Russian Federation
| | - Valeria D Skatova
- Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Anastasiya M Baryshnikova
- Genomics of Adaptive Immunity Department, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russian Federation
| | - George V Sharonov
- Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Vadim Karnaukhov
- Center of Life Sciences, Skolkovo Institute of Science and Technology, Moscow, Russian Federation
| | - Maria T Vakhitova
- Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Igor V Samoylenko
- Oncodermatology Department, NN Blokhin Russian Cancer Research Center, Moscow, Russian Federation
| | - Lev V Demidov
- Oncodermatology Department, NN Blokhin Russian Cancer Research Center, Moscow, Russian Federation
| | - Sergey Lukyanov
- Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Dmitriy M Chudakov
- Department of genomics of adaptive immunity, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russian Federation
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37
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Zaongo SD, Harypursat V, Chen Y. Single-Cell Sequencing Facilitates Elucidation of HIV Immunopathogenesis: A Review of Current Literature. Front Immunol 2022; 13:828860. [PMID: 35185920 PMCID: PMC8850777 DOI: 10.3389/fimmu.2022.828860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/18/2022] [Indexed: 12/18/2022] Open
Abstract
Knowledge gaps remain in the understanding of HIV disease establishment and progression. Scientists continue to strive in their endeavor to elucidate the precise underlying immunopathogenic mechanisms of HIV-related disease, in order to identify possible preventive and therapeutic targets. A useful tool in the quest to reveal some of the enigmas related to HIV infection and disease is the single-cell sequencing (scRNA-seq) technique. With its proven capacity to elucidate critical processes in cell formation and differentiation, to decipher critical hematopoietic pathways, and to understand the regulatory gene networks that predict immune function, scRNA-seq is further considered to be a potentially useful tool to explore HIV immunopathogenesis. In this article, we provide an overview of single-cell sequencing platforms, before delving into research findings gleaned from the use of single cell sequencing in HIV research, as published in recent literature. Finally, we describe two important avenues of research that we believe should be further investigated using the single-cell sequencing technique.
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Affiliation(s)
- Silvere D Zaongo
- Division of Infectious Diseases, Chongqing Public Health Medical Center, Chongqing, China
| | - Vijay Harypursat
- Division of Infectious Diseases, Chongqing Public Health Medical Center, Chongqing, China
| | - Yaokai Chen
- Division of Infectious Diseases, Chongqing Public Health Medical Center, Chongqing, China
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38
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Mkhikian H, Hayama KL, Khachikyan K, Li C, Zhou RW, Pawling J, Klaus S, Tran PQN, Ly KM, Gong AD, Saryan H, Hai JL, Grigoryan D, Lee PL, Newton BL, Raffatellu M, Dennis JW, Demetriou M. Age-associated impairment of T cell immunity is linked to sex-dimorphic elevation of N-glycan branching. NATURE AGING 2022; 2:231-242. [PMID: 35528547 PMCID: PMC9075523 DOI: 10.1038/s43587-022-00187-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 02/02/2022] [Indexed: 11/08/2022]
Abstract
Impaired T cell immunity with aging increases mortality from infectious disease. The branching of Asparagine-linked glycans is a critical negative regulator of T cell immunity. Here we show that branching increases with age in females more than males, in naïve more than memory T cells, and in CD4+ more than CD8+ T cells. Female sex hormones and thymic output of naïve T cells (TN) decrease with age, however neither thymectomy nor ovariectomy altered branching. Interleukin-7 (IL-7) signaling was increased in old female more than male mouse TN cells, and triggered increased branching. N-acetylglucosamine, a rate-limiting metabolite for branching, increased with age in humans and synergized with IL-7 to raise branching. Reversing elevated branching rejuvenated T cell function and reduced severity of Salmonella infection in old female mice. These data suggest sex-dimorphic antagonistic pleiotropy, where IL-7 initially benefits immunity through TN maintenance but inhibits TN function by raising branching synergistically with age-dependent increases in N-acetylglucosamine.
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Affiliation(s)
- Haik Mkhikian
- Department of Pathology and Laboratory Medicine, University of California, Irvine, Irvine, CA, USA
| | - Ken L Hayama
- Department of Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA, USA
| | - Khachik Khachikyan
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Carey Li
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Raymond W Zhou
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Judy Pawling
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Suzi Klaus
- Department of Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA, USA
| | - Phuong Q N Tran
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Kim M Ly
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Andrew D Gong
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Hayk Saryan
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Jasper L Hai
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - David Grigoryan
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Philip L Lee
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Barbara L Newton
- Department of Neurology, University of California, Irvine, Irvine, CA, USA
| | - Manuela Raffatellu
- Department of Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA, USA
- Division of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
- Center for Mucosal Immunology, Allergy, and Vaccines, Chiba University-UC San Diego, La Jolla, CA, USA
| | - James W Dennis
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Michael Demetriou
- Department of Microbiology and Molecular Genetics, University of California, Irvine, Irvine, CA, USA.
- Department of Neurology, University of California, Irvine, Irvine, CA, USA.
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39
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Proteomic analysis in primary T cells reveals IL-7 alters T cell receptor thresholding via CYTIP/cytohesin/LFA-1 localisation and activation. Biochem J 2022; 479:225-243. [PMID: 35015072 PMCID: PMC8883493 DOI: 10.1042/bcj20210313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 12/15/2021] [Accepted: 01/11/2022] [Indexed: 11/17/2022]
Abstract
The ability of the cellular immune system to discriminate self from foreign antigens depends on the appropriate calibration of the T cell receptor (TCR) signalling threshold. The lymphocyte homeostatic cytokine interleukin 7 (IL-7) is known to affect TCR thresholding, but the molecular mechanism is not fully elucidated. A better understanding of this process is highly relevant in the context of autoimmune disease therapy and cancer immunotherapy. We sought to characterise the early signalling events attributable to IL-7 priming; in particular, the altered phosphorylation of signal transduction proteins and their molecular localisation to the TCR. By integrating high-resolution proximity- phospho-proteomic and imaging approaches using primary T cells, rather than engineered cell lines or an in vitro expanded T cell population, we uncovered transduction events previously not linked to IL-7. We show that IL-7 leads to dephosphorylation of cytohesin interacting protein (CYTIP) at a hitherto undescribed phosphorylation site (pThr280) and alters the co-localisation of cytohesin-1 with the TCR and LFA-1 integrin. These results show that IL-7, acting via CYTIP and cytohesin-1, may impact TCR activation thresholds by enhancing the co-clustering of TCR and LFA-1 integrin.
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40
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Mazrier H, Vogelnest LJ, Taylor RM, Williamson P. Altered plasma cytokines in dogs with atopic dermatitis. Vet Dermatol 2021; 33:131-e38. [PMID: 34817106 PMCID: PMC9299684 DOI: 10.1111/vde.13044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 08/06/2021] [Accepted: 09/01/2021] [Indexed: 01/28/2023]
Abstract
BACKGROUND Canine (Canis lupus familiaris) atopic dermatitis (AD) shares similar clinical signs to human AD. The abnormal immune response of AD is orchestrated by T lymphocytes, and may include variable involvement of cytokines, regulatory T (Treg) cells, eosinophils, mast cells and other immune components. Helper T (Th)2 cytokines often predominate initially, followed by Th1 cytokines in more chronic phases. HYPOTHESIS/OBJECTIVES Pro-inflammatory and Treg cytokines have been shown to play a role in human AD, yet their importance is not clear in canine AD. Hence, this study aimed to measure the concentrations of cytokines/chemokines not traditionally associated with Th1/Th2 response. ANIMALS Canine AD patients (n = 27), compared to control dogs (n = 11). METHODS AND MATERIALS A total of 19 plasma cytokines were assayed using canine specific multiplex immuno-assays. RESULTS The plasma concentrations of CXC Motif Chemokine Ligand 8 (CXCL8), interleukin (IL)-7 and IL-15 cytokines were elevated in canine AD patients, compared to control dogs. In addition, stem-cell factor (SCF) concentrations were reduced in the plasma of canine AD patients compared to control dogs. Distinct cytokine profiles were found in dogs belonging to the Staffordshire breeds, a group with increased risk of AD. In particular, granulocyte-macrophage colony-stimulating factor (GM-CSF) had significantly elevated concentrations. CONCLUSIONS AND CLINICAL RELEVANCE Some of the plasma cytokine alterations in canine AD described here, particularly of IL-7, have not been reported previously. Monitoring these distinctive cytokine alterations could be useful for diagnosis and monitoring of canine AD in dogs.
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Affiliation(s)
- Hamutal Mazrier
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW, 2006, Australia
| | - Linda J Vogelnest
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW, 2006, Australia
| | - Rosanne M Taylor
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW, 2006, Australia
| | - Peter Williamson
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW, 2006, Australia.,School of Life and Environmental Sciences, Faculty of Science, The University of Sydney, NSW, 2006, Australia
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41
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Li Y, An H, Shen C, Wang B, Zhang T, Hong Y, Jiang H, Zhou P, Ding X. Deep phenotyping of T cell populations under long-term treatment of tacrolimus and rapamycin in patients receiving renal transplantations by mass cytometry. Clin Transl Med 2021; 11:e629. [PMID: 34841735 PMCID: PMC8574956 DOI: 10.1002/ctm2.629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 10/04/2021] [Accepted: 10/08/2021] [Indexed: 12/14/2022] Open
Abstract
Tacrolimus (FK506) and rapamycin (RAPA) are widely used to maintain long-term immunosuppression after organ transplantation. However, the impact of accumulative drug administration on the recipients' immune systems remains unclear. We investigated the impact of 3-year FK506 or RAPA treatment after renal transplantation on the human immune systems. A discovery cohort of 30 patients was first recruited, and we discovered two distinctive T lineage suppressive regulatory patterns induced by chronic treatment of FK506 and RAPA. The increased percentage of senescent CD8+ CD57+ T lineages and less responsive T cell receptor (TCR) pathway in the FK506 group indicate better graft acceptance. Meanwhile, percentages of regulatory T cells (Tregs) and expression of CTLA-4 were both up to two-fold higher in the RAPA group, suggesting the inconsistent reactivation potential of the FK506 and RAPA groups when an anti-tumour or anti-infection immune response is concerned. Additionally, up-regulation of phosphorylated signaling proteins in T lineages after in vitro CD3/CD28 stimulation suggested more sensitive TCR-signaling pathways reserved in the RAPA group. An independent validation cohort of 100 renal transplantation patients was further investigated for the hypothesis that long-term RAPA administration mitigates the development of tumours and infections during long-term intake of immunosuppressants. Our results indicate that RAPA administration indeed results in less clinical oncogenesis and infection. The deep phenotyping of T-cell lineages, as educated by the long-term treatment of different immunosuppressants, provides new evidence for personalized precision medicine after renal transplantations.
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Affiliation(s)
- Yiyang Li
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
| | - Huimin An
- Division of Kidney TransplantDepartment of UrologyRuijin HospitalShanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Chuan Shen
- Department of Liver SurgeryRenji HospitalShanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Boqian Wang
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
| | - Ting Zhang
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
| | - Yifan Hong
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
| | - Hui Jiang
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
| | - Peijun Zhou
- Division of Kidney TransplantDepartment of UrologyRuijin HospitalShanghai Jiao Tong University School of MedicineShanghaiPeople's Republic of China
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related GenesSchool of Biomedical EngineeringInstitute for Personalized MedicineShanghai Jiao Tong UniversityShanghaiPeople's Republic of China
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42
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Ren H, Cao K, Wang M. A Correlation Between Differentiation Phenotypes of Infused T Cells and Anti-Cancer Immunotherapy. Front Immunol 2021; 12:745109. [PMID: 34603332 PMCID: PMC8479103 DOI: 10.3389/fimmu.2021.745109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 08/25/2021] [Indexed: 12/30/2022] Open
Abstract
T-cell therapy, usually with ex-vivo expansion, is very promising to treat cancer. Differentiation status of infused T cells is a crucial parameter for their persistence and antitumor immunity. Key phenotypic molecules are effective and efficient to analyze differentiation status. Differentiation status is crucial for T cell exhaustion, in-vivo lifespan, antitumor immunity, and even antitumor pharmacological interventions. Strategies including cytokines, Akt, Wnt and Notch signaling, epigenetics, and metabolites have been developed to produce less differentiated T cells. Clinical trials have shown better clinical outcomes from infusion of T cells with less differentiated phenotypes. CD27+, CCR7+ and CD62L+ have been the most clinically relevant phenotypic molecules, while Tscm and Tcm the most clinically relevant subtypes. Currently, CD27+, CD62L+ and CCR7+ are recommended in the differentiation phenotype to evaluate strategies of enhancing stemness. Future studies may discover highly clinically relevant differentiation phenotypes for specific T-cell production methods or specific subtypes of cancer patients, with the advantages of precision medicine.
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Affiliation(s)
- Hao Ren
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Kunkun Cao
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
| | - Mingjun Wang
- Department of Research and Development, Shenzhen Institute for Innovation and Translational Medicine, Shenzhen, China
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Molodtsov AK, Khatwani N, Vella JL, Lewis KA, Zhao Y, Han J, Sullivan DE, Searles TG, Preiss NK, Shabaneh TB, Zhang P, Hawkes AR, Malik BT, Kolling FW, Usherwood EJ, Wong SL, Phillips JD, Shirai K, Angeles CV, Yan S, Curiel TJ, Huang YH, Cheng C, Turk MJ. Resident memory CD8 + T cells in regional lymph nodes mediate immunity to metastatic melanoma. Immunity 2021; 54:2117-2132.e7. [PMID: 34525340 PMCID: PMC9015193 DOI: 10.1016/j.immuni.2021.08.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 03/25/2021] [Accepted: 08/16/2021] [Indexed: 12/13/2022]
Abstract
The nature of the anti-tumor immune response changes as primary tumors progress and metastasize. We investigated the role of resident memory (Trm) and circulating memory (Tcirm) cells in anti-tumor responses at metastatic locations using a mouse model of melanoma-associated vitiligo. We found that the transcriptional characteristics of tumor-specific CD8+ T cells were defined by the tissue of occupancy. Parabiosis revealed that tumor-specific Trm and Tcirm compartments persisted throughout visceral organs, but Trm cells dominated lymph nodes (LNs). Single-cell RNA-sequencing profiles of Trm cells in LN and skin were distinct, and T cell clonotypes that occupied both tissues were overwhelmingly maintained as Trm in LNs. Whereas Tcirm cells prevented melanoma growth in the lungs, Trm afforded long-lived protection against melanoma seeding in LNs. Expanded Trm populations were also present in melanoma-involved LNs from patients, and their transcriptional signature predicted better survival. Thus, tumor-specific Trm cells persist in LNs, restricting metastatic cancer.
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Affiliation(s)
- Aleksey K Molodtsov
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Nikhil Khatwani
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Jennifer L Vella
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Kathryn A Lewis
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Yanding Zhao
- Department of Molecular and Systems Biology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Jichang Han
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Delaney E Sullivan
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Tyler G Searles
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Nicholas K Preiss
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Tamer B Shabaneh
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Peisheng Zhang
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Aaron R Hawkes
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Brian T Malik
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Fred W Kolling
- Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Edward J Usherwood
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Sandra L Wong
- Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - Joseph D Phillips
- Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - Keisuke Shirai
- Department of Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | | | - Shaofeng Yan
- Department of Pathology and Laboratory Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - Tyler J Curiel
- Department of Medicine and Mays Cancer Center, University of Texas Health, San Antonio, TX 78229, USA
| | - Yina H Huang
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA; Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA; Department of Pathology and Laboratory Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH 03756, USA
| | - Chao Cheng
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Mary Jo Turk
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA; Norris Cotton Cancer Center, The Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA.
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44
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Lutter L, Roosenboom B, Brand EC, ter Linde JJ, Oldenburg B, van Lochem EG, Horjus Talabur Horje CS, van Wijk F. Homeostatic Function and Inflammatory Activation of Ileal CD8 + Tissue-Resident T Cells Is Dependent on Mucosal Location. Cell Mol Gastroenterol Hepatol 2021; 12:1567-1581. [PMID: 34224909 PMCID: PMC8551698 DOI: 10.1016/j.jcmgh.2021.06.022] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 06/26/2021] [Accepted: 06/28/2021] [Indexed: 12/10/2022]
Abstract
BACKGROUND & AIMS Tissue-resident memory T (Trm) cells, both of the CD4 and CD8 lineage, have been implicated in disease flares in inflammatory bowel disease. However, data are conflicting regarding the profile of human CD8+ Trm cells, with studies suggesting both proinflammatory and regulatory functions. It is crucial to understand the functional profile of these cells in the context of (new) therapeutic strategies targeting (trafficking of) gut Trm cells. METHODS Here, we performed imaging mass cytometry, flow cytometry, and RNA-sequencing to compare lamina propria and intraepithelial CD103+/-CD69+CD8+ Trm cells in healthy control subjects and patients with active ileal Crohn's disease. RESULTS Our data revealed that lamina propria CD103+CD69+CD8+ T cells have a classical Trm cell profile with active pathways for regulating cell survival/death and cytokine signaling, whereas intraepithelial CD103+CD69+CD8+ T cells display tightly regulated innate-like cytotoxic profile. Furthermore, within lamina propria CD8+CD103- Trm cells, an Itgb2+GzmK+KLRG1+ population distinct from CD103+ CD8+ Trm cells is found. During chronic inflammation, especially intraepithelial CD103+CD69+CD8+ T cells displayed an innate proinflammatory profile with concurrent loss of homeostatic functions. CONCLUSIONS Altogether, these compartmental and inflammation-induced differences indicate that therapeutic strategies could have a different impact on the same immune cells depending on the local compartment and presence of an inflammatory milieu, and should be taken into account when investigating short- and long-term effects of new gut T cell-targeting drugs.
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Affiliation(s)
- Lisanne Lutter
- Centre for Translational Immunology, University Medical Centre Utrecht, Utrecht, the Netherlands,Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Britt Roosenboom
- Department of Gastroenterology and Hepatology, Rijnstate Hospital, Arnhem, the Netherlands
| | - Eelco C. Brand
- Centre for Translational Immunology, University Medical Centre Utrecht, Utrecht, the Netherlands,Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - José J. ter Linde
- Centre for Translational Immunology, University Medical Centre Utrecht, Utrecht, the Netherlands,Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Bas Oldenburg
- Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Ellen G. van Lochem
- Department of Microbiology and Immunology, Rijnstate Hospital, Arnhem, the Netherlands
| | | | - Femke van Wijk
- Centre for Translational Immunology, University Medical Centre Utrecht, Utrecht, the Netherlands,Correspondence Address correspondence to: Femke van Wijk, PhD, Centre for Translational Immunology, University Medical Center Utrecht, Lundlaan 6, 3584 EA Utrecht, the Netherlands. fax: (088) 755-4305.
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45
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Dalel J, Ung SK, Hayes P, Black SL, Joseph S, King DF, Makinde J, Gilmour J. HIV-1 infection and the lack of viral control are associated with greater expression of interleukin-21 receptor on CD8+ T cells. AIDS 2021; 35:1167-1177. [PMID: 33710028 PMCID: PMC8183476 DOI: 10.1097/qad.0000000000002864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/29/2020] [Accepted: 02/06/2021] [Indexed: 01/05/2023]
Abstract
OBJECTIVES Interleukin-21 (IL-21) has been linked with the generation of virus-specific memory CD8+ T cells following acute infection with HIV-1 and reduced exhaustion of CD8+ T cells. IL-21 has also been implicated in the promotion of CD8+ T-cell effector functions during viral infection. Little is known about the expression of interleukin-21 receptor (IL-21R) during HIV-1 infection or its role in HIV-1-specific CD8+ T-cell maintenance and subsequent viral control. METHODS We compared levels of IL-21R expression on total and memory subsets of CD8+ T cells from HIV-1-negative and HIV-1-positive donors. We also measured IL-21R on antigen-specific CD8+ T cells in volunteers who were positive for HIV-1 and had cytomegalovirus-responding T cells. Finally, we quantified plasma IL-21 in treatment-naive HIV-1-positive individuals and compared this with IL-21R expression. RESULTS IL-21R expression was significantly higher on CD8+ T cells (P = 0.0256), and on central memory (P = 0.0055) and effector memory (P = 0.0487) CD8+ T-cell subsets from HIV-1-positive individuals relative to HIV-1-negative individuals. For those infected with HIV-1, the levels of IL-21R expression on HIV-1-specific CD8+ T cells correlated significantly with visit viral load (r = 0.6667, P = 0.0152, n = 13) and inversely correlated with plasma IL-21 (r = -0.6273, P = 0.0440, n = 11). Lastly, CD8+ T cells from individuals with lower set point viral load who demonstrated better viral control had the lowest levels of IL-21R expression and highest levels of plasma IL-21. CONCLUSION Our data demonstrates significant associations between IL-21R expression on peripheral CD8+ T cells and viral load, as well as disease trajectory. This suggests that the IL-21 receptor could be a novel marker of CD8+ T-cell dysfunction during HIV-1 infection.
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Affiliation(s)
- Jama Dalel
- IAVI Human Immunology Laboratory, Imperial College London, London, UK
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46
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Kielsen K, Oostenbrink LVE, von Asmuth EGJ, Jansen-Hoogendijk AM, van Ostaijen-Ten Dam MM, Ifversen M, Heilmann C, Schilham MW, van Halteren AGS, Bredius RGM, Lankester AC, Jol-van der Zijde CM, van Tol MJD, Müller K. IL-7 and IL-15 Levels Reflect the Degree of T Cell Depletion during Lymphopenia and Are Associated with an Expansion of Effector Memory T Cells after Pediatric Hematopoietic Stem Cell Transplantation. THE JOURNAL OF IMMUNOLOGY 2021; 206:2828-2838. [PMID: 34108260 DOI: 10.4049/jimmunol.2001077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 03/22/2021] [Indexed: 11/19/2022]
Abstract
Differentially and functionally distinct T cell subsets are involved in the development of complications after allogeneic hematopoietic stem cell transplantation (HSCT), but little is known about factors regulating their recovery after HSCT. In this study, we investigated associations between immune-regulating cytokines, T cell differentiation, and clinical outcomes. We included 80 children undergoing allogeneic HSCT for acute leukemia using bone marrow or peripheral blood stem cells grafted from a matched sibling or unrelated donor. Cytokines (IL-7, IL-15, IL-18, SCF, IL-6, IL-2, and TNF-α) and active anti-thymocyte globulin (ATG) levels were longitudinally measured along with extended T cell phenotyping. The cytokine profiles showed a temporary rise in IL-7 and IL-15 during lymphopenia, which was strongly dependent on exposure to active ATG. High levels of IL-7 and IL-15 from graft infusion to day +30 were predictive of slower T cell recovery during the first 2 mo post-HSCT; however, because of a major expansion of memory T cell stages, only naive T cells remained decreased after 3 mo (p < 0.05). No differential effect was seen on polarization of CD4+ T cells into Th1, Th2, or Th17 cells or regulatory T cells. Low levels of IL-7 and IL-15 at day +14 were associated with acute graft-versus-host disease grades II-IV in ATG-treated patients (p = 0.0004 and p = 0.0002, respectively). Children with IL-7 levels comparable to healthy controls at day +14 post-HSCT were less likely to develop EBV reactivation posttransplant. These findings suggest that quantification of IL-7 and IL-15 may be useful as biomarkers in assessing the overall T cell depletion and suggest a potential for predicting complications after HSCT.
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Affiliation(s)
- Katrine Kielsen
- Hematopoietic Stem Cell Transplantation and Primary Immune Deficiency, Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark; .,Institute for Inflammation Research, Department of Rheumatology and Spine Disease, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark; and
| | - Lisa V E Oostenbrink
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Erik G J von Asmuth
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Anja M Jansen-Hoogendijk
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Monique M van Ostaijen-Ten Dam
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Marianne Ifversen
- Hematopoietic Stem Cell Transplantation and Primary Immune Deficiency, Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Carsten Heilmann
- Hematopoietic Stem Cell Transplantation and Primary Immune Deficiency, Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
| | - Marco W Schilham
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Astrid G S van Halteren
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Robbert G M Bredius
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Arjan C Lankester
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Cornelia M Jol-van der Zijde
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Maarten J D van Tol
- Laboratory of Pediatric Immunology, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Klaus Müller
- Hematopoietic Stem Cell Transplantation and Primary Immune Deficiency, Department of Pediatrics and Adolescent Medicine, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.,Institute for Inflammation Research, Department of Rheumatology and Spine Disease, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark; and
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47
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Haile S, Corbett RD, LeBlanc VG, Wei L, Pleasance S, Bilobram S, Nip KM, Brown K, Trinh E, Smith J, Trinh DL, Bala M, Chuah E, Coope RJN, Moore RA, Mungall AJ, Mungall KL, Zhao Y, Hirst M, Aparicio S, Birol I, Jones SJM, Marra MA. A Scalable Strand-Specific Protocol Enabling Full-Length Total RNA Sequencing From Single Cells. Front Genet 2021; 12:665888. [PMID: 34149808 PMCID: PMC8209500 DOI: 10.3389/fgene.2021.665888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 04/21/2021] [Indexed: 12/14/2022] Open
Abstract
RNA sequencing (RNAseq) has been widely used to generate bulk gene expression measurements collected from pools of cells. Only relatively recently have single-cell RNAseq (scRNAseq) methods provided opportunities for gene expression analyses at the single-cell level, allowing researchers to study heterogeneous mixtures of cells at unprecedented resolution. Tumors tend to be composed of heterogeneous cellular mixtures and are frequently the subjects of such analyses. Extensive method developments have led to several protocols for scRNAseq but, owing to the small amounts of RNA in single cells, technical constraints have required compromises. For example, the majority of scRNAseq methods are limited to sequencing only the 3' or 5' termini of transcripts. Other protocols that facilitate full-length transcript profiling tend to capture only polyadenylated mRNAs and are generally limited to processing only 96 cells at a time. Here, we address these limitations and present a novel protocol that allows for the high-throughput sequencing of full-length, total RNA at single-cell resolution. We demonstrate that our method produced strand-specific sequencing data for both polyadenylated and non-polyadenylated transcripts, enabled the profiling of transcript regions beyond only transcript termini, and yielded data rich enough to allow identification of cell types from heterogeneous biological samples.
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Affiliation(s)
- Simon Haile
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Richard D Corbett
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Veronique G LeBlanc
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Lisa Wei
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Stephen Pleasance
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Steve Bilobram
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Ka Ming Nip
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Kirstin Brown
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Eva Trinh
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Jillian Smith
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Diane L Trinh
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Miruna Bala
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Eric Chuah
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Robin J N Coope
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Richard A Moore
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Andrew J Mungall
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Karen L Mungall
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Yongjun Zhao
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Martin Hirst
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada
| | - Samuel Aparicio
- Department of Molecular Oncology, BC Cancer, Vancouver, BC, Canada
| | - Inanc Birol
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Steven J M Jones
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Marco A Marra
- Canada's Michael Smith Genome Sciences Centre, BC Cancer, Vancouver, BC, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
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48
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Single-cell RNA-seq reveals developmental plasticity with coexisting oncogenic states and immune evasion programs in ETP-ALL. Blood 2021; 137:2463-2480. [PMID: 33227818 DOI: 10.1182/blood.2019004547] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 10/27/2020] [Indexed: 12/12/2022] Open
Abstract
Lineage plasticity and stemness have been invoked as causes of therapy resistance in cancer, because these flexible states allow cancer cells to dedifferentiate and alter their dependencies. We investigated such resistance mechanisms in relapsed/refractory early T-cell progenitor acute lymphoblastic leukemia (ETP-ALL) carrying activating NOTCH1 mutations via full-length single-cell RNA sequencing (scRNA-seq) of malignant and microenvironmental cells. We identified 2 highly distinct stem-like states that critically differed with regard to cell cycle and oncogenic signaling. Fast-cycling stem-like leukemia cells demonstrated Notch activation and were effectively eliminated in patients by Notch inhibition, whereas slow-cycling stem-like cells were Notch independent and rather relied on PI3K signaling, likely explaining the poor efficacy of Notch inhibition in this disease. Remarkably, we found that both stem-like states could differentiate into a more mature leukemia state with prominent immunomodulatory functions, including high expression of the LGALS9 checkpoint molecule. These cells promoted an immunosuppressive leukemia ecosystem with clonal accumulation of dysfunctional CD8+ T cells that expressed HAVCR2, the cognate receptor for LGALS9. Our study identified complex interactions between signaling programs, cellular plasticity, and immune programs that characterize ETP-ALL, illustrating the multidimensionality of tumor heterogeneity. In this scenario, combination therapies targeting diverse oncogenic states and the immune ecosystem seem most promising to successfully eliminate tumor cells that escape treatment through coexisting transcriptional programs.
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49
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Verstappen GM, Pringle S, Bootsma H, Kroese FGM. Epithelial-immune cell interplay in primary Sjögren syndrome salivary gland pathogenesis. Nat Rev Rheumatol 2021; 17:333-348. [PMID: 33911236 PMCID: PMC8081003 DOI: 10.1038/s41584-021-00605-2] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2021] [Indexed: 02/08/2023]
Abstract
In primary Sjögren syndrome (pSS), the function of the salivary glands is often considerably reduced. Multiple innate immune pathways are likely dysregulated in the salivary gland epithelium in pSS, including the nuclear factor-κB pathway, the inflammasome and interferon signalling. The ductal cells of the salivary gland in pSS are characteristically surrounded by a CD4+ T cell-rich and B cell-rich infiltrate, implying a degree of communication between epithelial cells and immune cells. B cell infiltrates within the ducts can initiate the development of lymphoepithelial lesions, including basal ductal cell hyperplasia. Vice versa, the epithelium provides chronic activation signals to the glandular B cell fraction. This continuous stimulation might ultimately drive the development of mucosa-associated lymphoid tissue lymphoma. This Review discusses changes in the cells of the salivary gland epithelium in pSS (including acinar, ductal and progenitor cells), and the proposed interplay of these cells with environmental stimuli and the immune system. Current therapeutic options are insufficient to address both lymphocytic infiltration and salivary gland dysfunction. Successful rescue of salivary gland function in pSS will probably demand a multimodal therapeutic approach and an appreciation of the complicity of the salivary gland epithelium in the development of pSS.
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Affiliation(s)
- Gwenny M Verstappen
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Sarah Pringle
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Hendrika Bootsma
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.
| | - Frans G M Kroese
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
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50
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Dai Z, Wang EHC, Petukhova L, Chang Y, Lee EY, Christiano AM. Blockade of IL-7 signaling suppresses inflammatory responses and reverses alopecia areata in C3H/HeJ mice. SCIENCE ADVANCES 2021; 7:eabd1866. [PMID: 33811067 PMCID: PMC11060042 DOI: 10.1126/sciadv.abd1866] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 02/16/2021] [Indexed: 06/12/2023]
Abstract
The interleukin-7 (IL-7) signaling pathway plays an important role in regulation of T cell function and survival. We detected overexpression of IL-7 in lesional skin from both humans and C3H/HeJ mice with alopecia areata (AA), a T cell-mediated autoimmune disease of the hair follicle. We found that exogenous IL-7 accelerated the onset of AA by augmenting the expansion of alopecic T cells. Conversely, blockade of IL-7 stopped the progression of AA and reversed early AA in C3H/HeJ mice. Mechanistically, we observed that IL-7Rα blockade substantially reduced the total number of most T cell subsets, but relative sparing of regulatory T cells (Tregs). We postulated that short-term anti-IL-7Rα treatment in combination with a low dose of Treg-tropic cytokines might improve therapeutic efficacy in AA. We demonstrated that short-term IL-7Rα blockade in combination with low doses of Treg-tropic cytokines enhanced therapeutic effects in the treatment of AA, and invite further clinical investigation.
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Affiliation(s)
- Zhenpeng Dai
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Eddy Hsi Chun Wang
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Lynn Petukhova
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Yuqian Chang
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Eunice Yoojin Lee
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
| | - Angela M Christiano
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA.
- Department of Genetics and Development, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
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