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Burak MF, Stanley TL, Lawson EA, Campbell SL, Lynch L, Hasty AH, Domingos AI, Dixit VD, Hotamışlıgil GS, Sheedy FJ, Dixon AE, Brinkley TE, Hill JA, Donath MY, Grinspoon SK. Adiposity, immunity, and inflammation: interrelationships in health and disease: A report from 24 th annual Harvard nutrition obesity symposium, June 2023. Am J Clin Nutr 2024:S0002-9165(24)00455-6. [PMID: 38705359 DOI: 10.1016/j.ajcnut.2024.04.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/09/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024] Open
Abstract
The rapidly evolving field of immunometabolism explores how changes in local immune environments may affect the key metabolic and cellular processes, including that of adipose tissue. Importantly, these changes may contribute to low-grade systemic inflammation. In turn, chronic low-grade inflammation affecting adipose tissue may exacerbate the outcome of metabolic diseases. Novel advances in our understanding of immune-metabolic processes may critically lead to interventions to reduce disease severity and progression. An important example in this regard relates to obesity, which has a multifaceted effect on immunity activating the pro-inflammatory pathways such as inflammasome and disrupting cellular homeostasis. This multifaceted effect of obesity can be investigated through study of downstream conditions using cellular and systemic investigative techniques. To further explore this field, the NIH P30 Nutrition Obesity Research Center at Harvard in partnership with the Harvard Medical School assembled experts to present at its 24th annual Symposium entitled "Adiposity, Immunity, and Inflammation: Interrelationships in Health and Disease on June 07, 2023. This manuscript seeks to synthesize and present key findings from the symposium highlighting new research and novel disease-specific advances in the field. Better understanding the interaction between metabolism and immunity offers promising preventative and treatment therapies for obesity-related immunometabolic diseases.
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Affiliation(s)
- M Furkan Burak
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Molecular Metabolism and Sabri Ulker Center, Harvard T.H. Chan School of Public Health, Broad Institute of Harvard and MIT, Boston, MA, USA.
| | - Takara L Stanley
- Metabolism Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Elizabeth A Lawson
- Neuroendocrine Unit, Massachusetts General Hospital, Boston, MA, USA, Harvard Medical School, Boston, MA, USA
| | - Sophia L Campbell
- Metabolism Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Alyssa H Hasty
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, VA Tennessee Valley Healthcare System, Nashville, TN, USA
| | - Ana I Domingos
- Department of Physiology, Anatomy & Genetics, Oxford University, Oxford, UK; The Howard Hughes Medical Institute, New York, NY, USA
| | - Vishwa D Dixit
- Department of Pathology, Department of Comparative Medicine, Department of Immunobiology, Yale School of Medicine, Yale Center for Research on Aging, New Haven, CT, USA
| | - Gökhan S Hotamışlıgil
- Department of Molecular Metabolism and Sabri Ulker Center, Harvard T.H. Chan School of Public Health, Broad Institute of Harvard and MIT, Boston, MA, USA
| | - Frederick J Sheedy
- School of Biochemistry & Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin, Ireland
| | - Anne E Dixon
- Department of Medicine, University of Vermont, Burlington, VT, USA
| | - Tina E Brinkley
- Department of Internal Medicine, Section of Gerontology and Geriatric Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Joseph A Hill
- Division of Cardiology, Department of Internal Medicine, Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Marc Y Donath
- Department of Biomedicine, University of Basel, Basel, Switzerland, Clinic of Endocrinology, Diabetes & Metabolism, University Hospital Basel, Basel, Switzerland
| | - Steven K Grinspoon
- Metabolism Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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Scott B, Day EA, O'Brien KL, Scanlan J, Cromwell G, Scannail AN, McDonnell ME, Finlay DK, Lynch L. Metformin and feeding increase levels of the appetite-suppressing metabolite Lac-Phe in humans. Nat Metab 2024; 6:651-658. [PMID: 38499765 PMCID: PMC11052712 DOI: 10.1038/s42255-024-01018-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 02/22/2024] [Indexed: 03/20/2024]
Abstract
Metformin, a widely used first-line treatment for type 2 diabetes (T2D), is known to reduce blood glucose levels and suppress appetite. Here we report a significant elevation of the appetite-suppressing metabolite N-lactoyl phenylalanine (Lac-Phe) in the blood of individuals treated with metformin across seven observational and interventional studies. Furthermore, Lac-Phe levels were found to rise in response to acute metformin administration and post-prandially in patients with T2D or in metabolically healthy volunteers.
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Affiliation(s)
- Barry Scott
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Emily A Day
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Katie L O'Brien
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - John Scanlan
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Grace Cromwell
- Division of Endocrinology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Aine Ni Scannail
- Division of Endocrinology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Marie E McDonnell
- Division of Endocrinology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - David K Finlay
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- School of Pharmacy and Pharmaceutical Sciences, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
- Division of Endocrinology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Widlund HR, Lynch L. γδ T cells as unconventional targets of checkpoint blockade. Nat Cancer 2024; 5:373-374. [PMID: 38538909 DOI: 10.1038/s43018-024-00735-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Affiliation(s)
- Hans R Widlund
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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Power SD, Stewart E, Zielke LG, Byrne EP, Douglas A, Ortega-de San Luis C, Lynch L, Ryan TJ. Immune activation state modulates infant engram expression across development. Sci Adv 2023; 9:eadg9921. [PMID: 37939176 PMCID: PMC10631722 DOI: 10.1126/sciadv.adg9921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 10/06/2023] [Indexed: 11/10/2023]
Abstract
Infantile amnesia is possibly the most ubiquitous form of memory loss in mammals. We investigated how memories are stored in the brain throughout development by integrating engram labeling technology with mouse models of infantile amnesia. Here, we found a phenomenon in which male offspring in maternal immune activation models of autism spectrum disorder do not experience infantile amnesia. Maternal immune activation altered engram ensemble size and dendritic spine plasticity. We rescued the same apparently forgotten infantile memories in neurotypical mice by optogenetically reactivating dentate gyrus engram cells labeled during complex experiences in infancy. Furthermore, we permanently reinstated lost infantile memories by artificially updating the memory engram, demonstrating that infantile amnesia is a reversible process. Our findings suggest not only that infantile amnesia is due to a reversible retrieval deficit in engram expression but also that immune activation during development modulates innate, and reversible, forgetting switches that determine whether infantile amnesia will occur.
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Affiliation(s)
- Sarah D. Power
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
- Center for Lifespan Psychology, Max Planck Institute for Human Development, Berlin, Germany
| | - Erika Stewart
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Louisa G. Zielke
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
- Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands
| | - Eric P. Byrne
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Aaron Douglas
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Clara Ortega-de San Luis
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
| | - Tomás J. Ryan
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Trinity College Institute for Neuroscience, Trinity College Dublin, Dublin, Ireland
- Florey Institute of Neuroscience and Mental Health, Melbourne Brain Centre, University of Melbourne, Melbourne, VIC, Australia
- Child & Brain Development Program, Canadian Institute for Advanced Research (CIFAR), Toronto, ON, Canada
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Abstract
Nutrients are essential for cell function. Immune cells operating in the complex tumor microenvironment (TME), which has a unique nutrient composition, face challenges of adapting their metabolism to support effector functions. We discuss the impact of nutrient availability on immune function in the tumor, competition between immune cells and tumor cells for nutrients, and how this is altered by diet. Understanding which diets can promote antitumor immune responses could open a new era of treatment, where dietary modifications can be used as an adjunct to boost the success of existing cancer therapies.
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Affiliation(s)
- Claire L McIntyre
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ayantu Temesgen
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland.
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Duquette D, Harmon C, Zaborowski A, Michelet X, O'Farrelly C, Winter D, Koay HF, Lynch L. Human Granzyme K Is a Feature of Innate T Cells in Blood, Tissues, and Tumors, Responding to Cytokines Rather than TCR Stimulation. J Immunol 2023; 211:633-647. [PMID: 37449888 DOI: 10.4049/jimmunol.2300083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 06/02/2023] [Indexed: 07/18/2023]
Abstract
NK cells and CD8 T cells use cytotoxic molecules to kill virally infected and tumor cell targets. While perforin and granzyme B (GzmB) are the most commonly studied lytic molecules, less is known about granzyme K (GzmK). However, this granzyme has been recently associated with improved prognosis in solid tumors. In this study, we show that, in humans, GzmK is predominantly expressed by innate-like lymphocytes, as well as a newly identified population of GzmK+CD8+ non- mucosal-associated invariant T cells with innate-like characteristics. We found that GzmK+ T cells are KLRG1+EOMES+IL-7R+CD62L-Tcf7int, suggesting that they are central memory T and effector memory T cells. Furthermore, GzmK+ cells are absent/low in cord blood, suggesting that GzmK is upregulated with immune experience. Surprisingly, GzmK+ cells respond to cytokine stimuli alone, whereas TCR stimulation downregulates GzmK expression, coinciding with GzmB upregulation. GzmK+ cells have reduced IFN-γ production compared with GzmB+ cells in each T cell lineage. Collectively, this suggests that GzmK+ cells are not naive, and they may be an intermediate memory-like or preterminally differentiated population. GzmK+ cells are enriched in nonlymphoid tissues such as the liver and adipose. In colorectal cancer, GzmK+ cells are enriched in the tumor and can produce IFN-γ, but GzmK+ expression is mutually exclusive with IL-17a production. Thus, in humans, GzmK+ cells are innate memory-like cells that respond to cytokine stimulation alone and may be important effector cells in the tumor.
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Affiliation(s)
- Danielle Duquette
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, MA
| | - Cathal Harmon
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, MA
| | | | - Xavier Michelet
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, MA
| | - Cliona O'Farrelly
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Des Winter
- St. Vincent's University Hospital, Dublin, Ireland
| | - Hui-Fern Koay
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital, Boston, MA
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Victoria, Austria
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- St. Vincent's University Hospital, Dublin, Ireland
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Harmon C, Zaborowski A, Moore H, St Louis P, Slattery K, Duquette D, Scanlan J, Kane H, Kunkemoeller B, McIntyre CL, Scannail AN, Moran B, Anderson AC, Winter D, Brennan D, Brehm MA, Lynch L. γδ T cell dichotomy with opposing cytotoxic and wound healing functions in human solid tumors. Nat Cancer 2023; 4:1122-1137. [PMID: 37474835 DOI: 10.1038/s43018-023-00589-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 06/05/2023] [Indexed: 07/22/2023]
Abstract
γδ T cells are important tissue-resident, innate T cells that are critical for tissue homeostasis. γδ cells are associated with positive prognosis in most tumors; however, little is known about their heterogeneity in human cancers. Here, we phenotyped innate and adaptive cells in human colorectal (CRC) and endometrial cancer. We found striking differences in γδ subsets and function in tumors compared to normal tissue, and in the γδ subsets present in tumor types. In CRC, an amphiregulin (AREG)-producing subset emerges, while endometrial cancer is infiltrated by cytotoxic cells. In humanized CRC models, tumors induced this AREG phenotype in Vδ1 cells after adoptive transfer. To exploit the beneficial roles of γδ cells for cell therapy, we developed an expansion method that enhanced cytotoxic function and boosted metabolic flexibility, while eliminating AREG production, achieving greater tumor infiltration and tumor clearance. This method has broad applications in cellular therapy as an 'off-the-shelf' treatment option.
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Affiliation(s)
- Cathal Harmon
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Alexandra Zaborowski
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Centre for Colorectal Disease, St. Vincent's University Hospital, Dublin, Ireland
| | - Haim Moore
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Pamela St Louis
- Program in Molecular Medicine and the Diabetes Center of Excellence, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Karen Slattery
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Danielle Duquette
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - John Scanlan
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Harry Kane
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Britta Kunkemoeller
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Claire L McIntyre
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Aine Ni Scannail
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Bruce Moran
- Department of Pathology, St. Vincent's University Hospital, Dublin, Ireland
| | - Ana C Anderson
- Evergrande Center for Immunologic Diseases and Ann Romney Center for Neurologic Diseases, Harvard Medical School and Brigham & Women's Hospital, Boston, MA, USA
| | - Des Winter
- Centre for Colorectal Disease, St. Vincent's University Hospital, Dublin, Ireland
| | - Donal Brennan
- Gynecological Oncology Group, School of Medicine, University College Dublin, Dublin, Ireland
| | - Michael A Brehm
- Program in Molecular Medicine and the Diabetes Center of Excellence, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Lydia Lynch
- Department of Endocrinology, Brigham & Women's Hospital, Boston, MA, USA.
- Department of Medicine, Harvard Medical School, Boston, MA, USA.
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland.
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Abstract
In mammals, interleukin (IL)-17 cytokines are produced by innate and adaptive lymphocytes. However, the IL-17 family has widespread expression throughout evolution, dating as far back as cnidaria, molluscs and worms, which predate lymphocytes. The evolutionary conservation of IL-17 suggests that it is involved in innate defence strategies, but also that this cytokine family has a fundamental role beyond typical host defence. Throughout evolution, IL-17 seems to have a major function in homeostatic maintenance at barrier sites. Most recently, a pivotal role has been identified for IL-17 in regulating cellular metabolism, neuroimmunology and tissue physiology, particularly in adipose tissue. Here we review the emerging role of IL-17 signalling in regulating metabolic processes, which may shine a light on the evolutionary role of IL-17 beyond typical immune responses. We propose that IL-17 helps to coordinate the cross-talk among the nervous, endocrine and immune systems for whole-body energy homeostasis as a key player in neuroimmunometabolism.
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Affiliation(s)
- Aaron Douglas
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland
| | - Brenneth Stevens
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- School of Biochemistry and Immunology, TBSI, Trinity College Dublin, Dublin, Ireland.
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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9
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Hall L, Bisset K, Lynch L, Young Y, Ruggles R. Training during the COVID-19 pandemic: the experience of public health registrars in the London and Kent, Surrey, Sussex training programme. J Public Health (Oxf) 2023; 45:529-534. [PMID: 37326349 DOI: 10.1093/pubmed/fdac130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 09/29/2022] [Indexed: 12/30/2023] Open
Abstract
BACKGROUND Public Health registrars (SpRs) were an important component of the workforce that contributed to the COVID-19 response. This study explores their contribution and the impact the early stages of the pandemic had on their learning and training. METHODS Data were collected from SpRs in the London and Kent, Surrey, Sussex training programme between July and September 2020 through a mixture of questionnaires and semi-structured interviews. A thematic analysis of interview transcripts was undertaken to identify themes. RESULTS 35/128 SpRs responded to the survey and 11 were interviewed. SpRs were placed across a range of organizations and made a significant contribution to the COVID-19 response. Overall, SpRs learned important skills but working on the response may for some have impacted negatively on training. A number of facilitators and barriers to learning were identified. CONCLUSION The study findings highlight the opportunities for learning created by the pandemic. However, changing projects and the desire of SpRs to contribute to the response meant the impacts on training were mixed. Future deployment of SpRs should consider the balance of responsibility and pace when delegating work, as well as the need to supervise effectively and support remote working to maintain good mental wellbeing.
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Affiliation(s)
- L Hall
- Public Health Registrar, UK Health Security Agency, London SE1 8UG, UK
| | - K Bisset
- Public Health Registrar, UK Health Security Agency, London SE1 8UG, UK
| | - L Lynch
- Public Health Registrar, UK Health Security Agency, London SE1 8UG, UK
| | - Y Young
- Consultant in Health Protection, UK Health Security Agency, London SE1 8UG, UK
| | - R Ruggles
- Consultant in Public Health, UK Health Security Agency, London SE1 8UG, UK
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10
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Faust HJ, Cheng TY, Korsunsky I, Watts GFM, Gal-Oz ST, Trim W, Kongthong K, Jonsson AH, Simmons DP, Zhang F, Padera R, Chubinskaya S, Wei K, Raychaudhuri S, Lynch L, Moody DB, Brenner MB. Adipocytes regulate fibroblast function, and their loss contributes to fibroblast dysfunction in inflammatory diseases. bioRxiv 2023:2023.05.16.540975. [PMID: 37292637 PMCID: PMC10245775 DOI: 10.1101/2023.05.16.540975] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Fibroblasts play critical roles in tissue homeostasis, but in pathologic states can drive fibrosis, inflammation, and tissue destruction. In the joint synovium, fibroblasts provide homeostatic maintenance and lubrication. Little is known about what regulates the homeostatic functions of fibroblasts in healthy conditions. We performed RNA sequencing of healthy human synovial tissue and identified a fibroblast gene expression program characterized by enhanced fatty acid metabolism and lipid transport. We found that fat-conditioned media reproduces key aspects of the lipid-related gene signature in cultured fibroblasts. Fractionation and mass spectrometry identified cortisol in driving the healthy fibroblast phenotype, confirmed using glucocorticoid receptor gene ( NR3C1 ) deleted cells. Depletion of synovial adipocytes in mice resulted in loss of the healthy fibroblast phenotype and revealed adipocytes as a major contributor to active cortisol generation via Hsd11 β 1 expression. Cortisol signaling in fibroblasts mitigated matrix remodeling induced by TNFα- and TGFβ, while stimulation with these cytokines repressed cortisol signaling and adipogenesis. Together, these findings demonstrate the importance of adipocytes and cortisol signaling in driving the healthy synovial fibroblast state that is lost in disease.
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11
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Cable J, Rathmell JC, Pearce EL, Ho PC, Haigis MC, Mamedov MR, Wu MJ, Kaech SM, Lynch L, Febbraio MA, Bapat SP, Hong HS, Zou W, Belkaid Y, Sullivan ZA, Keller A, Wculek SK, Green DR, Postic C, Amit I, Benitah SA, Jones RG, Reina-Campos M, Torres SV, Beyaz S, Brennan D, O'Neill LAJ, Perry RJ, Brenner D. Immunometabolism at the crossroads of obesity and cancer-a Keystone Symposia report. Ann N Y Acad Sci 2023; 1523:38-50. [PMID: 36960914 PMCID: PMC10367315 DOI: 10.1111/nyas.14976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Abstract
Immunometabolism considers the relationship between metabolism and immunity. Typically, researchers focus on either the metabolic pathways within immune cells that affect their function or the impact of immune cells on systemic metabolism. A more holistic approach that considers both these viewpoints is needed. On September 5-8, 2022, experts in the field of immunometabolism met for the Keystone symposium "Immunometabolism at the Crossroads of Obesity and Cancer" to present recent research across the field of immunometabolism, with the setting of obesity and cancer as an ideal example of the complex interplay between metabolism, immunity, and cancer. Speakers highlighted new insights on the metabolic links between tumor cells and immune cells, with a focus on leveraging unique metabolic vulnerabilities of different cell types in the tumor microenvironment as therapeutic targets and demonstrated the effects of diet, the microbiome, and obesity on immune system function and cancer pathogenesis and therapy. Finally, speakers presented new technologies to interrogate the immune system and uncover novel metabolic pathways important for immunity.
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Affiliation(s)
| | - Jeffrey C Rathmell
- Vanderbilt-Ingram Cancer Center; Vanderbilt Center for Immunobiology; Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Erika L Pearce
- Bloomberg-Kimmel Institute for Cancer Immunotherapy at Johns Hopkins, Baltimore, Maryland, USA
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany
| | - Ping-Chih Ho
- Department of Fundamental Oncology and Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland
| | - Marcia C Haigis
- Department of Cell Biology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Murad R Mamedov
- Gladstone-UCSF Institute of Genomic Immunology and Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Meng-Ju Wu
- Cancer Center, Massachusetts General Hospital; Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
- Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Susan M Kaech
- NOMIS Center for Immunobiology and Microbial Pathogenesis, Salk Institute for Biological Studies, La Jolla, California, USA
| | - Lydia Lynch
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Mark A Febbraio
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, Australia
| | - Sagar P Bapat
- Diabetes Center and Department of Laboratory Medicine, University of California San Francisco, San Francisco, California, USA
| | - Hanna S Hong
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Weiping Zou
- Department of Surgery; Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan Rogel Cancer Center; Department of Pathology; Graduate Program in Immunology; Graduate Program in Cancer Biology, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
| | - Yasmine Belkaid
- Metaorganism Immunity Section, Laboratory of Immune System Biology, and NIAID Microbiome Program National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Zuri A Sullivan
- Department of Immunobiology, Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Andrea Keller
- Department of Biological Chemistry and Pharmacology, College of Medicine; and Comprehensive Cancer Center, Wexner Medical Center, Arthur G. James Cancer Hospital, The Ohio State University, Columbus, Ohio, USA
| | - Stefanie K Wculek
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Douglas R Green
- St. Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Catherine Postic
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, France
| | - Ido Amit
- Department of Systems Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Salvador Aznar Benitah
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology (BIST) and Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Russell G Jones
- Department of Metabolism and Nutritional Programming, Van Andel Research Institute, Grand Rapids, Michigan, USA
| | | | - Santiago Valle Torres
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
| | - Semir Beyaz
- Cold Spring Harbor Laboratory, Cold Spring Harbor, New York, USA
| | - Donal Brennan
- UCD Gynecological Oncology Group, UCD School of Medicine, Catherine McAuley Research Centre, Mater Misericordiae University Hospital, Belfield, Ireland
| | - Luke A J O'Neill
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin, Ireland
| | - Rachel J Perry
- Department of Cellular and Molecular Physiology and Department of Internal Medicine (Endocrinology), Yale University School of Medicine, New Haven, Connecticut, USA
| | - Dirk Brenner
- Experimental and Molecular Immunology, Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- Immunology and Genetics, Luxembourg Centre for System Biomedicine (LCSB), University of Luxembourg, Belval, Luxembourg
- Odense Research Center for Anaphylaxis, Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, Odense, Denmark
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12
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Silva R, Glennon K, Metoudi M, Moran B, Salta S, Slattery K, Treacy A, Martin T, Shaw J, Doran P, Lynch L, Jeronimo C, Perry AS, Brennan DJ. Unveiling the epigenomic mechanisms of acquired platinum-resistance in high-grade serous ovarian cancer. Int J Cancer 2023; 153:120-132. [PMID: 36883413 DOI: 10.1002/ijc.34496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 01/19/2023] [Accepted: 02/17/2023] [Indexed: 03/09/2023]
Abstract
Resistance to platinum-based chemotherapy is the major cause of death from high-grade serous ovarian cancer (HGSOC). We hypothesise that detection of specific DNA methylation changes may predict platinum resistance in HGSOC. Using a publicly available "discovery" dataset we examined epigenomic and transcriptomic alterations between primary platinum-sensitive (n = 32) and recurrent acquired drug resistant HGSOC (n = 28) and identified several genes involved in immune and chemoresistance-related pathways. Validation via high-resolution melt analysis of these findings, in cell lines and HGSOC tumours, demonstrated the most consistent changes were observed in three of the genes: APOBEC3A, NKAPL and PDCD1. Plasma samples from an independent HGSOC cohort (n = 17) were analysed using droplet digital PCR. Hypermethylation of NKAPL was detected in 46% and hypomethylation of APOBEC3A in 69% of plasma samples taken from women with relapsed HGSOC (n = 13), with no alterations identified in disease-free patients (n = 4). Following these results, and using a CRISPR-Cas9 approach, we were also able to demonstrate that in vitro NKAPL promoter demethylation increased platinum sensitivity by 15%. Overall, this study demonstrates the importance of aberrant methylation, especially of the NKAPL gene, in acquired platinum resistance in HGSOC.
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Affiliation(s)
- Romina Silva
- Cancer Biology and Therapeutics Laboratory, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, Dublin, Ireland
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Kate Glennon
- UCD Gynaecological Oncology Group, UCD School of Medicine Mater Misericordiae University Hospital, Dublin, Ireland
| | - Michael Metoudi
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, Dublin, Ireland
| | - Bruce Moran
- Department of Pathology, St Vincent's University Hospital, Dublin, Ireland
| | - Sofia Salta
- Cancer Biology & Epigenetics Group, IPO Porto Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto /Porto Comprehensive Cancer Centre (Porto.CCC), Porto, Portugal
| | - Karen Slattery
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Ann Treacy
- Department of Pathology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Terri Martin
- Clinical Research Centre, UCD School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Jacqui Shaw
- Leicester Cancer Research Centre, University of Leicester, Leicester, UK
| | - Peter Doran
- Clinical Research Centre, UCD School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Lydia Lynch
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Carmen Jeronimo
- Cancer Biology & Epigenetics Group, IPO Porto Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto /Porto Comprehensive Cancer Centre (Porto.CCC), Porto, Portugal
- Department of Pathology and Molecular Immunology, Institute of Biomedical Sciences Abel Salazar, University of Porto (ICBAS-UP), Porto, Portugal
| | - Antoinette S Perry
- Cancer Biology and Therapeutics Laboratory, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
- School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Donal J Brennan
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, Dublin, Ireland
- UCD Gynaecological Oncology Group, UCD School of Medicine Mater Misericordiae University Hospital, Dublin, Ireland
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13
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Koay HF, Lynch L. γδ T cells unveil invisible tumors. Trends Immunol 2023; 44:159-161. [PMID: 36754745 DOI: 10.1016/j.it.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 02/09/2023]
Abstract
Tumors can evade conventional T cell recognition by rendering the HLA class I antigen presentation system defective. In a recent study, de Vries et al. reveal γδ T cells as key contributors to the efficacy of immune checkpoint blockade (ICB) against HLA-I-silenced cancers, highlighting a novel layer of surveillance against immune escape by tumors.
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Affiliation(s)
- Hui-Fern Koay
- Department of Microbiology and Immunology at the Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Lydia Lynch
- Department of Medicine, Brigham and Women's Hospital, Boston, Harvard Medical School, Boston, MA, USA.
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14
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Varghese B, Lynch L, Vriend LE, Draganov D, Clark JM, Kissick HT, Varghese S, Sanda MG, Dranoff G, Arredouani MS, Balk SP, Exley MA. Invariant NKT cell-augmented GM-CSF-secreting tumor vaccine is effective in advanced prostate cancer model. Cancer Immunol Immunother 2022; 71:2943-2955. [PMID: 35523889 PMCID: PMC10992623 DOI: 10.1007/s00262-022-03210-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 04/08/2022] [Indexed: 10/18/2022]
Abstract
Invariant natural killer T cells (iNKT cells) express a semi-invariant T cell receptor that recognizes certain glycolipids (including α-galactosylceramide, αGC) bound to CD1d, and can induce potent antitumor responses. Here, we assessed whether αGC could enhance the efficacy of a GM-CSF-producing tumor cell vaccine in the transgenic SV40 T antigen-driven TRAMP prostate cancer model. In healthy mice, we initially found that optimal T cell responses were obtained with αGC-pulsed TRAMP-C2 cells secreting GM-CSF and milk fat globule epidermal growth factor protein-8 (MFG-E8) with an RGD to RGE mutation (GM-CSF/RGE TRAMP-C2), combined with systemic low dose IL-12. In a therapeutic model, transgenic TRAMP mice were then castrated at ~ 20 weeks, followed by treatment with the combination vaccine. Untreated mice succumbed to tumor by ~ 40 weeks, but survival was markedly prolonged by vaccine treatment, with most mice surviving past 80 weeks. Prostates in the treated mice were heavily infiltrated with T cells and iNKT cells, which both secreted IFNγ in response to tumor cells. The vaccine was not effective if the αGC, IL-12, or GM-CSF secretion was eliminated. Finally, immunized mice were fully resistant to challenge with TRAMP-C2 cells. Together these findings support further development of therapeutic vaccines that exploit iNKT cell activation.
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Affiliation(s)
- Bindu Varghese
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
- Sana Biotechnology Inc., Boston, MA, USA
| | - Lydia Lynch
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
- Brigham and Women's Hospital, 75 Francis St., NRB 6, Boston, MA, 02115, USA
| | - Lianne E Vriend
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
| | - Dobrin Draganov
- Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Sanofi Inc., San Diego, CA, USA
| | - Justice M Clark
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
| | - Haydn T Kissick
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
- Emory University, Atlanta, GA, USA
| | - Sharlin Varghese
- Medical Center School of Medicine and Dentistry, University of Rochester, Rochester, NY, 14642, USA
| | - Martin G Sanda
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
- Emory University, Atlanta, GA, USA
| | - Glenn Dranoff
- Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
- Novartis Biomedical Institutes of Research, Cambridge, MA, USA
| | - M Simo Arredouani
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA
- Intellia Inc., Cambridge, MA, USA
| | - Steven P Balk
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA.
| | - Mark A Exley
- Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA, 02215, USA.
- Brigham and Women's Hospital, 75 Francis St., NRB 6, Boston, MA, 02115, USA.
- Imvax Inc., Philadelphia, PA, USA.
- University of Manchester, Manchester, UK.
- MiNK Therapeutics Inc., New York, NY, USA.
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15
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Joseph EP, Camejo-Harry M, Christopher T, Contreras-Arratia R, Edwards S, Graham O, Johnson M, Juman A, Latchman JL, Lynch L, Miller VL, Papadopoulos I, Pascal K, Robertson R, Ryan GA, Stinton A, Grandin R, Hamling I, Jo MJ, Barclay J, Cole P, Davies BV, Sparks RSJ. Responding to eruptive transitions during the 2020-2021 eruption of La Soufrière volcano, St. Vincent. Nat Commun 2022; 13:4129. [PMID: 35840594 PMCID: PMC9287448 DOI: 10.1038/s41467-022-31901-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 07/08/2022] [Indexed: 11/09/2022] Open
Abstract
A critical challenge during volcanic emergencies is responding to rapid changes in eruptive behaviour. Actionable advice, essential in times of rising uncertainty, demands the rapid synthesis and communication of multiple datasets with prognoses. The 2020-2021 eruption of La Soufrière volcano exemplifies these challenges: a series of explosions from 9-22 April 2021 was preceded by three months of effusive activity, which commenced with a remarkably low level of detected unrest. Here we show how the development of an evolving conceptual model, and the expression of uncertainties via both elicitation and scenarios associated with this model, were key to anticipating this transition. This not only required input from multiple monitoring datasets but contextualisation via state-of-the-art hazard assessments, and evidence-based knowledge of critical decision-making timescales and community needs. In addition, we share strategies employed as a consequence of constraints on recognising and responding to eruptive transitions in a resource-constrained setting, which may guide similarly challenged volcano observatories worldwide.
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Affiliation(s)
- E P Joseph
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.
| | - M Camejo-Harry
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Department of Earth Science, University of Oxford, Oxford, OX1 3AN, UK
| | - T Christopher
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Montserrat Volcano Observatory, Flemmings, Montserrat
| | - R Contreras-Arratia
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - S Edwards
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - O Graham
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - M Johnson
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - A Juman
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - J L Latchman
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - L Lynch
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - V L Miller
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Montserrat Volcano Observatory, Flemmings, Montserrat
| | - I Papadopoulos
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - K Pascal
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Montserrat Volcano Observatory, Flemmings, Montserrat
| | - R Robertson
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago
| | - G A Ryan
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Montserrat Volcano Observatory, Flemmings, Montserrat
| | - A Stinton
- Seismic Research Centre, The University of the West Indies, St. Augustine, Trinidad and Tobago.,Montserrat Volcano Observatory, Flemmings, Montserrat
| | - R Grandin
- Université de Paris, Institut de Physique du Globe de Paris, CNRS, F-75005, Paris, France
| | - I Hamling
- GNS Science, Lower Hutt, New Zealand
| | - M-J Jo
- USRA, NASA-GSFC, Greenbelt, MD, USA
| | - J Barclay
- School of Environmental Sciences, University of East Anglia, Norwich, UK
| | - P Cole
- School of Geography, Earth and Environmental Sciences, Plymouth University, Drake Circus, Plymouth, UK
| | - B V Davies
- School of Environmental Sciences, University of East Anglia, Norwich, UK
| | - R S J Sparks
- School of Earth Sciences, University of Bristol, Bristol, BS8 1 R J, UK
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16
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Jameson G, Harmon C, Santiago RM, Houlihan DD, Gallagher TK, Lynch L, Robinson MW, O’Farrelly C. Human Hepatic CD56bright NK Cells Display a Tissue-Resident Transcriptional Profile and Enhanced Ability to Kill Allogenic CD8+ T Cells. Front Immunol 2022; 13:921212. [PMID: 35865550 PMCID: PMC9295839 DOI: 10.3389/fimmu.2022.921212] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 05/30/2022] [Indexed: 12/20/2022] Open
Abstract
Liver-resident CD56brightCD16- natural killer (NK) cells are enriched in the human liver and are phenotypically distinct from their blood counterparts. Although these cells are capable of rapid cytotoxic effector activity, their functional role remains unclear. We hypothesise that they may contribute to immune tolerance in the liver during transplantation. RNA sequencing was carried out on FACS sorted NK cell subpopulations from liver perfusates (n=5) and healthy blood controls (n=5). Liver-resident CD56brightCD16+/- NK cells upregulate genes associated with tissue residency. They also upregulate expression of CD160 and LY9, both of which encode immune receptors capable of activating NK cells. Co-expression of CD160 and Ly9 on liver-resident NK cells was validated using flow cytometry. Hepatic NK cell cytotoxicity against allogenic T cells was tested using an in vitro co-culture system of liver perfusate-derived NK cells and blood T cells (n=10-13). In co-culture experiments, hepatic NK cells but not blood NK cells induced significant allogenic T cell death (p=0.0306). Allogenic CD8+ T cells were more susceptible to hepatic NK cytotoxicity than CD4+ T cells (p<0.0001). Stimulation of hepatic CD56bright NK cells with an anti-CD160 agonist mAb enhanced this cytotoxic response (p=0.0382). Our results highlight a role for donor liver NK cells in regulating allogenic CD8+ T cell activation, which may be important in controlling recipient CD8+ T cell-mediated rejection post liver-transplant.
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Affiliation(s)
- Gráinne Jameson
- School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Cathal Harmon
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Rhyla Mae Santiago
- Department of Biology, Kathleen Lonsdale Institute of Human Health Research, Maynooth University, Maynooth, Ireland
| | | | - Tom K. Gallagher
- Hepatopancreaticobiliary Group, St. Vincent’s University Hospital, Dublin, Ireland
| | - Lydia Lynch
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States
| | - Mark W. Robinson
- Department of Biology, Kathleen Lonsdale Institute of Human Health Research, Maynooth University, Maynooth, Ireland
- *Correspondence: Mark W. Robinson,
| | - Cliona O’Farrelly
- School of Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
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17
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Lynch T, Ryan C, Bradley C, Foster D, Huff C, Hutchinson S, Lamberson N, Lynch L, Cadogan C. Supporting sAFE and GradUAl ReDuctIon of loNG-term BenzodiaZepine Receptor Agonist uSe: development of the SAFEGUARDING-BZRAs toolkit using a co-design approach. International Journal of Pharmacy Practice 2022. [DOI: 10.1093/ijpp/riac021.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Long-term benzodiazepine receptor agonist (BZRA) use (>3 months) persists worldwide and poses risks of harm. Effective interventions are needed to address this issue.
Aim
To develop an intervention to support discontinuation of long-term benzodiazepine receptor agonist (BZRA) use.
Methods
The intervention development process built on previous qualitative work that used the Theoretical Domains Framework (TDF) to explore perceived barriers and facilitators to discontinuing long-term BZRA use (1). A co-design approach was used whereby lay individuals and professionals worked as equals during the research process based on principles of authentic participation and collaboration (2). The co-design team included five ‘experts by lived experience’ with experience of long-term BZRA use who previously provided input on other related work as patient and public involvement representatives or responded to an expression of interest call on social media. Two online co-design team meetings were held. During the first meeting, a summary of previous findings was presented together with a long-list of behaviour change techniques (BCTs) generated using established mapping matrices in which BCTs were reliably allocated to the TDF. Each team member independently documented their decision as to whether each BCT should be included in a short-list for potential inclusion in the final intervention using online polling software. The a priori decision rule was that 70% of team members had to agree regarding the inclusion/exclusion of a BCT. All other BCTs were then discussed at a follow-up meeting. A finalised list of BCTs for inclusion in the intervention was agreed at the second meeting using a consensus-based approach involving the same decision rule. Potential ways in which BCTs could be operationalised were then discussed.
Results
Thirty BCTs were discussed and six BCTs were excluded. For example, team members recommended avoiding ‘Social comparison’ as individual circumstances and experiences of discontinuation and associated withdrawal symptoms are unique and not directly comparable. Given the number of included BCTs, the co-design team recommended presenting them as a toolkit. The SAFEGUARDING-BZRAs (Supporting sAFE and GradUAl ReDuctIon of loNG-term BenzodiaZepine Receptor Agonist uSe) toolkit comprises 24 BCTs: ‘Goal setting (behaviour)’, ‘Review behaviour goal(s)’, ‘Review outcome goal(s)’, ‘Feedback on behaviour’, ‘Self-monitoring of behaviour’, ‘Social support (practical)’, ‘Social support (emotional)’, ‘Information about health consequences’, ‘Monitoring of emotional consequences’, ‘Information about emotional consequences’, ‘Prompts/cues’, ‘Habit reversal’, ‘Graded tasks’, ‘Pros and cons’, ‘Comparative imagining of future outcomes’, ‘Social reward’, ‘Self-reward’, ‘Reduce negative emotions’, ‘Distraction’, ‘Adding objects to the environment’, ‘Body changes’, ‘Verbal persuasion about capability’, ‘Focus on past success’ and ‘Credible source’. The toolkit includes recommendations targeted at primary care-based clinicians for operationalising each BCT to support BZRA discontinuation.
Conclusion
The SAFEGUARDING-BZRAs toolkit has been developed using a systematic, theory-based approach that addresses identified limitations of previous research (e.g. lack of detailed intervention description). In terms of limitations, it is possible that a different group of individuals may have developed a different type of intervention. To overcome this, a priori decision rules were used for decision making. Further research is needed to assess the toolkit’s usability and acceptability by service users and clinicians.
References
(1) Lynch et al. Health Expect. [in press] DOI: 10.1111/hex.13392.
(2) O’Donnell et al. BMC Health Serv Res. 2019;19(1):797
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Affiliation(s)
- T Lynch
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - C Ryan
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin, Ireland
| | - C Bradley
- Department of General Practice, University College Cork, Cork, Ireland
| | - D Foster
- Benzodiazepine Action Work Group, Colorado Consortium for Prescription Drug Abuse Prevention, Aurora, Colorado, USA
| | - C Huff
- Benzodiazepine Information Coalition, Midvale, Utah, USA
| | | | | | | | - C Cadogan
- School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin, Ireland
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18
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Stutte S, Ishikawa-Ankerhold H, Lynch L, Eickhoff S, Nasiscionyte S, Guo C, van den Heuvel D, Setzensack D, Colonna M, Maier-Begandt D, Weckbach L, Brocker T, Schulz C, Walzog B, von Andrian U. High-Fat Diet Rapidly Modifies Trafficking, Phenotype, and Function of Plasmacytoid Dendritic Cells in Adipose Tissue. J Immunol 2022; 208:1445-1455. [PMID: 35181637 PMCID: PMC8919350 DOI: 10.4049/jimmunol.2100022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Plasmacytoid dendritic cells (pDCs) display an increased abundance in visceral adipose tissue (VAT) of humans with obesity. In the current study, we set out to decipher the molecular mechanisms of their recruitment to VAT and the functional relevance of this process. We observed increased pDC numbers in murine blood, liver, spleen, and VAT after feeding a high-fat diet (HFD) for 3 wk when compared with a standard diet. pDCs were enriched in fat-associated lymphoid clusters representing highly specific lymphoid regions within VAT. HFD led to an enlargement of fat-associated lymphoid clusters with an increased density and migratory speed of pDCs as shown by intravital multiphoton microscopy. For their recruitment into VAT, pDCs employed P-selectin with E-selectin and L-selectin being only critical in response to HFD, indicating that the molecular cues underlying pDC trafficking were dependent on the nutritional state. Subsequent recruitment steps required α4β1 and α4β7 integrins and engagement of CCR7. Application of fingolimod (FTY720) abrogated egress of pDCs from VAT, indicating the involvement of sphingosine-1-phosphate in this process. Furthermore, HFD altered pDC functions by promoting their activation and type 1 IFN expression. Blocking pDC infiltration into VAT prevented weight gain and improved glucose tolerance during HFD. In summary, a HFD fundamentally alters pDC biology by promoting their trafficking, retention, and activation in VAT, which in turn seems to regulate metabolism.
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Affiliation(s)
- Susanne Stutte
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany;
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Institute for Immunology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA
| | - Hellen Ishikawa-Ankerhold
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Lydia Lynch
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Sarah Eickhoff
- Institute of Systems Immunology, University of Würzburg, Würzburg, Germany
| | - Simona Nasiscionyte
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Chenglong Guo
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Dominic van den Heuvel
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Daniel Setzensack
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Marco Colonna
- Washington University, School of Medicine, St. Louis, MO; and
| | - Daniela Maier-Begandt
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ludwig Weckbach
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Thomas Brocker
- Institute for Immunology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Christian Schulz
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
- Department of Internal Medicine I, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Barbara Walzog
- Institute of Cardiovascular Physiology and Pathophysiology, Biomedical Center, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany
- Walter Brendel Center of Experimental Medicine, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Ulrich von Andrian
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA
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19
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Dyck L, Prendeville H, Raverdeau M, Wilk MM, Loftus RM, Douglas A, McCormack J, Moran B, Wilkinson M, Mills EL, Doughty M, Fabre A, Heneghan H, LeRoux C, Hogan A, Chouchani ET, O’Shea D, Brennan D, Lynch L. Suppressive effects of the obese tumor microenvironment on CD8 T cell infiltration and effector function. J Exp Med 2022; 219:e20210042. [PMID: 35103755 PMCID: PMC8932531 DOI: 10.1084/jem.20210042] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 10/06/2021] [Accepted: 01/06/2022] [Indexed: 12/17/2022] Open
Abstract
Obesity is one of the leading preventable causes of cancer; however, little is known about the effects of obesity on anti-tumor immunity. Here, we investigated the effects of obesity on CD8 T cells in mouse models and patients with endometrial cancer. Our findings revealed that CD8 T cell infiltration is suppressed in obesity, which was associated with a decrease in chemokine production. Tumor-resident CD8 T cells were also functionally suppressed in obese mice, which was associated with a suppression of amino acid metabolism. Similarly, we found that a high BMI negatively correlated with CD8 infiltration in human endometrial cancer and that weight loss was associated with a complete pathological response in six of nine patients. Moreover, immunotherapy using anti-PD-1 led to tumor rejection in lean and obese mice and partially restored CD8 metabolism and anti-tumor immunity. These findings highlight the suppressive effects of obesity on CD8 T cell anti-tumor immunity, which can partially be reversed by weight loss and/or immunotherapy.
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Affiliation(s)
- Lydia Dyck
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Hannah Prendeville
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Mathilde Raverdeau
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Mieszko M. Wilk
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Roisin M. Loftus
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Aaron Douglas
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Janet McCormack
- Research Pathology Core Facility, Conway Institute, University College Dublin, Dublin, Ireland
| | - Bruce Moran
- Department of Pathology, St. Vincent’s University Hospital, Dublin, Ireland
| | - Michael Wilkinson
- University College Dublin Gynaecological Oncology Group, University College Dublin School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Evanna L. Mills
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA
- Department of Cell Biology, Harvard Medical School, Boston, MA
| | - Michael Doughty
- Department of Cellular Pathology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Aurelie Fabre
- Department of Pathology, St. Vincent’s University Hospital, Dublin, Ireland
| | - Helen Heneghan
- School of Medicine, St. Vincent's University Hospital and University College Dublin, Dublin, Ireland
| | - Carel LeRoux
- School of Medicine, St. Vincent's University Hospital and University College Dublin, Dublin, Ireland
| | - Andrew Hogan
- Human Health Institute, Department of Biology, Maynooth University, Maynooth, Ireland
- National Children’s Research Centre, Dublin, Ireland
| | - Edward T. Chouchani
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA
- Department of Cell Biology, Harvard Medical School, Boston, MA
| | - Donal O’Shea
- School of Medicine, St. Vincent's University Hospital and University College Dublin, Dublin, Ireland
| | - Donal Brennan
- University College Dublin Gynaecological Oncology Group, University College Dublin School of Medicine, Mater Misericordiae University Hospital, Dublin, Ireland
- Systems Biology Ireland, School of Medicine, University College Dublin, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Brigham and Women’s Hospital, Boston, MA
- Harvard Medical School, Boston, MA
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20
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Dyck L, Prendeville H, Raverdeau M, Wilk MM, Loftus RM, Douglas A, McCormack J, Moran B, Wilkinson M, Mills EL, Doughty M, Fabre A, Heneghan H, LeRoux C, Hogan A, Chouchani ET, O'Shea D, Brennan D, Lynch L. Correction: Suppressive effects of the obese tumor microenvironment on CD8 T cell infiltration and effector function. J Exp Med 2022; 219:213040. [PMID: 35226044 PMCID: PMC8941668 DOI: 10.1084/jem.2021004202072022c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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21
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Mills EL, Harmon C, Jedrychowski MP, Xiao H, Gruszczyk AV, Bradshaw GA, Tran N, Garrity R, Laznik-Bogoslavski D, Szpyt J, Prendeville H, Lynch L, Murphy MP, Gygi SP, Spiegelman BM, Chouchani ET. Cysteine 253 of UCP1 regulates energy expenditure and sex-dependent adipose tissue inflammation. Cell Metab 2022; 34:140-157.e8. [PMID: 34861155 PMCID: PMC8732317 DOI: 10.1016/j.cmet.2021.11.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 09/15/2021] [Accepted: 11/08/2021] [Indexed: 01/07/2023]
Abstract
Uncoupling protein 1 (UCP1) is a major regulator of brown and beige adipocyte energy expenditure and metabolic homeostasis. However, the widely employed UCP1 loss-of-function model has recently been shown to have a severe deficiency in the entire electron transport chain of thermogenic fat. As such, the role of UCP1 in metabolic regulation in vivo remains unclear. We recently identified cysteine-253 as a regulatory site on UCP1 that elevates protein activity upon covalent modification. Here, we examine the physiological importance of this site through the generation of a UCP1 cysteine-253-null (UCP1 C253A) mouse, a precise genetic model for selective disruption of UCP1 in vivo. UCP1 C253A mice exhibit significantly compromised thermogenic responses in both males and females but display no measurable effect on fat accumulation in an obesogenic environment. Unexpectedly, we find that a lack of C253 results in adipose tissue redox stress, which drives substantial immune cell infiltration and systemic inflammatory pathology in adipose tissues and liver of male, but not female, mice. Elevation of systemic estrogen reverses this male-specific pathology, providing a basis for protection from inflammation due to loss of UCP1 C253 in females. Together, our results establish the UCP1 C253 activation site as a regulator of acute thermogenesis and sex-dependent tissue inflammation.
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Affiliation(s)
- Evanna L Mills
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Cathal Harmon
- Department of Immunology, Harvard Medical School, Boston, MA, USA; Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
| | - Mark P Jedrychowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Haopeng Xiao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Anja V Gruszczyk
- Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Cambridge CB2 0XY, UK
| | - Gary A Bradshaw
- Harvard Program in Therapeutic Science, Harvard Medical School, Boston, MA, USA
| | - Nhien Tran
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ryan Garrity
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | | | - John Szpyt
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Hannah Prendeville
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Lydia Lynch
- Department of Immunology, Harvard Medical School, Boston, MA, USA; Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, USA; School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Michael P Murphy
- Medical Research Council Mitochondrial Biology Unit, University of Cambridge, Cambridge CB2 0XY, UK; Department of Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Bruce M Spiegelman
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Edward T Chouchani
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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22
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Kane H, LaMarche NM, Ní Scannail Á, Garza AE, Koay HF, Azad AI, Kunkemoeller B, Stevens B, Brenner MB, Lynch L. Longitudinal analysis of invariant natural killer T cell activation reveals a cMAF-associated transcriptional state of NKT10 cells. eLife 2022; 11:76586. [PMID: 36458691 PMCID: PMC9831610 DOI: 10.7554/elife.76586] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 11/30/2022] [Indexed: 12/05/2022] Open
Abstract
Innate T cells, including CD1d-restricted invariant natural killer T (iNKT) cells, are characterized by their rapid activation in response to non-peptide antigens, such as lipids. While the transcriptional profiles of naive, effector, and memory adaptive T cells have been well studied, less is known about the transcriptional regulation of different iNKT cell activation states. Here, using single-cell RNA-sequencing, we performed longitudinal profiling of activated murine iNKT cells, generating a transcriptomic atlas of iNKT cell activation states. We found that transcriptional signatures of activation are highly conserved among heterogeneous iNKT cell populations, including NKT1, NKT2, and NKT17 subsets, and human iNKT cells. Strikingly, we found that regulatory iNKT cells, such as adipose iNKT cells, undergo blunted activation and display constitutive enrichment of memory-like cMAF+ and KLRG1+ populations. Moreover, we identify a conserved cMAF-associated transcriptional network among NKT10 cells, providing novel insights into the biology of regulatory and antigen-experienced iNKT cells.
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Affiliation(s)
- Harry Kane
- Trinity Biomedical Science Institute, Trinity College DublinDublinIreland
| | - Nelson M LaMarche
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Áine Ní Scannail
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Amanda E Garza
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Hui-Fern Koay
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States,Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of MelbourneMelbourneAustralia
| | - Adiba I Azad
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Britta Kunkemoeller
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Brenneth Stevens
- Trinity Biomedical Science Institute, Trinity College DublinDublinIreland,Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Michael B Brenner
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
| | - Lydia Lynch
- Trinity Biomedical Science Institute, Trinity College DublinDublinIreland,Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Harvard Medical SchoolBostonUnited States
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23
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Zaborowski AM, Winter DC, Lynch L. The therapeutic and prognostic implications of immunobiology in colorectal cancer: a review. Br J Cancer 2021; 125:1341-1349. [PMID: 34302062 PMCID: PMC8575924 DOI: 10.1038/s41416-021-01475-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 05/13/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer represents the second leading cause of cancer-related death worldwide. The therapeutic field of immuno-oncology has rapidly gained momentum, with strikingly promising results observed in clinical practice. Increasing emphasis has been placed on the role of the immune response in tumorigenesis, therapy and predicting prognosis. Enhanced understanding of the dynamic and complex tumour-immune microenvironment has enabled the development of molecularly directed, individualised treatment. Analysis of intra-tumoural lymphocyte infiltration and the dichotomisation of colorectal cancer into microsatellite stable and unstable disease has important therapeutic and prognostic implications, with potential to capitalise further on this data. This review discusses the latest evidence surrounding the tumour biology and immune landscape of colorectal cancer, novel immunotherapies and the interaction of the immune system with each apex of the tripartite of cancer management (oncotherapeutics, radiotherapy and surgery). By utilising the synergy of chemotherapeutic agents and immunotherapies, and identifying prognostic and predictive immunological biomarkers, we may enter an era of unprecedented disease control, survivorship and cure rates.
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Affiliation(s)
- Alexandra M. Zaborowski
- grid.412751.40000 0001 0315 8143Centre for Colorectal Disease, St. Vincent’s University Hospital, Dublin 4, Ireland ,grid.8217.c0000 0004 1936 9705School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Des C. Winter
- grid.412751.40000 0001 0315 8143Centre for Colorectal Disease, St. Vincent’s University Hospital, Dublin 4, Ireland ,grid.7886.10000 0001 0768 2743School of Medicine, University College Dublin, Dublin 4, Ireland
| | - Lydia Lynch
- grid.8217.c0000 0004 1936 9705School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland ,grid.38142.3c000000041936754XHarvard Institutes of Medicine, Harvard Medical School, Boston, MA USA
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24
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Lynch L, O'Connor C, Bennett M, Murphy M. The virtual Men's Shed: a pilot of online access to skin cancer education for a high-risk population during the COVID-19 pandemic. Clin Exp Dermatol 2021; 47:595-596. [PMID: 34674292 PMCID: PMC8652743 DOI: 10.1111/ced.14992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 11/29/2022]
Affiliation(s)
- L Lynch
- Department of Dermatology, South Infirmary Victoria University Hospital, Cork, Ireland
| | - C O'Connor
- Department of Dermatology, South Infirmary Victoria University Hospital, Cork, Ireland.,Department of Medicine, University College Cork, Cork, Ireland
| | - M Bennett
- Department of Dermatology, South Infirmary Victoria University Hospital, Cork, Ireland
| | - M Murphy
- Department of Dermatology, South Infirmary Victoria University Hospital, Cork, Ireland.,Department of Medicine, University College Cork, Cork, Ireland
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25
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Kane H, LaMarche N, Brenner M, Lynch L. Single cell analysis of iNKT cell phenotype, functionality and metabolism. The Journal of Immunology 2021. [DOI: 10.4049/jimmunol.206.supp.24.08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Abstract
iNKT cells have been identified as potent regulators of diverse physiological responses ranging from tumor immunity to homeostatic regulation of adipose tissue. Recent studies have also established that iNKT cells are heterogeneous, and include distinct NKT1, NKT2, NKT17 and NKT10 subsets. To date, these subsets have been broadly characterized using various transcriptomic-based approaches, providing a basis for further analysis and exploration. However, many studies characterizing the iNKT cell transcriptome have been limited to resting iNKT cells, or have focused on iNKT cell development, and thus have not captured the dramatic changes in iNKT phenotype and function that have been observed following antigen exposure. Here, we took advantage of single cell RNA-Sequencing to characterize adipose and splenic iNKT cells before and after activation, and performed integrated analysis of novel and published data to construct a comprehensive overview of the iNKT cell response to antigen. We find that all iNKT cells undergo rapid and profound transcriptional remodeling in response to αGalCer, and identify conserved features of iNKT cell activation, including dynamic reprogramming of cellular metabolism. We also find differences between activated iNKT cell subsets, and we demonstrate that oxidative metabolism functionally segregates NKT2 and NKT17 cells from NKT1 cells. Furthermore, we find that key features of iNKT cell activation are blunted in regulatory iNKT cell populations, which are enriched in adipose tissue, and we identify a conserved network of gene signatures associated with NKT10 cells. Overall, this study provides novel insights into the biology of iNKT cells, and the interplay between their biology and metabolism.
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Affiliation(s)
| | | | | | - Lydia Lynch
- 1Trinity College Dublin, Ireland
- 2Harvard Medical School, Boston, MA
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26
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Mills EL, Harmon C, Jedrychowski MP, Xiao H, Garrity R, Tran NV, Bradshaw GA, Fu A, Szpyt J, Reddy A, Prendeville H, Danial NN, Gygi SP, Lynch L, Chouchani ET. UCP1 governs liver extracellular succinate and inflammatory pathogenesis. Nat Metab 2021; 3:604-617. [PMID: 34002097 PMCID: PMC8207988 DOI: 10.1038/s42255-021-00389-5] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 04/09/2021] [Indexed: 12/11/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD), the most prevalent liver pathology worldwide, is intimately linked with obesity and type 2 diabetes. Liver inflammation is a hallmark of NAFLD and is thought to contribute to tissue fibrosis and disease pathogenesis. Uncoupling protein 1 (UCP1) is exclusively expressed in brown and beige adipocytes, and has been extensively studied for its capacity to elevate thermogenesis and reverse obesity. Here we identify an endocrine pathway regulated by UCP1 that antagonizes liver inflammation and pathology, independent of effects on obesity. We show that, without UCP1, brown and beige fat exhibit a diminished capacity to clear succinate from the circulation. Moreover, UCP1KO mice exhibit elevated extracellular succinate in liver tissue that drives inflammation through ligation of its cognate receptor succinate receptor 1 (SUCNR1) in liver-resident stellate cell and macrophage populations. Conversely, increasing brown and beige adipocyte content in mice antagonizes SUCNR1-dependent inflammatory signalling in the liver. We show that this UCP1-succinate-SUCNR1 axis is necessary to regulate liver immune cell infiltration and pathology, and systemic glucose intolerance in an obesogenic environment. As such, the therapeutic use of brown and beige adipocytes and UCP1 extends beyond thermogenesis and may be leveraged to antagonize NAFLD and SUCNR1-dependent liver inflammation.
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Affiliation(s)
- Evanna L Mills
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Cathal Harmon
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
| | - Mark P Jedrychowski
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Haopeng Xiao
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Ryan Garrity
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Nhien V Tran
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Gary A Bradshaw
- Harvard Program in Therapeutic Science, Harvard Medical School, Boston, MA, USA
| | - Accalia Fu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - John Szpyt
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Anita Reddy
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Hannah Prendeville
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Nika N Danial
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Department of Immunology, Harvard Medical School, Boston, MA, USA
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Edward T Chouchani
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
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27
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Zaborowski A, Harmon C, Duquette D, Dyck L, Lynch L, Winter D. O66: FLOW CYTOMETRIC AND RNA SEQUENCED UNCOUPLING OF TUMOUR-INFILTRATING LYMPHOCYTE CHECKPOINT EXPRESSION AND MISMATCH REPAIR STATUS IN COLORECTAL CANCER. Br J Surg 2021. [DOI: 10.1093/bjs/znab117.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Introduction
Selection criteria for immunotherapy with checkpoint blockade in colorectal cancer are currently based on mismatch repair status. However, intra-tumoral T cell response varies among patients with the same MMR status. Inhibitory checkpoint expression on tumour-infiltrating lymphocytes in microsatellite stable and unstable CRC is unknown.
Method
Flow cytometric analysis and single-cell RNA sequencing, using the 10x genomic platform, were performed ex vivo on tumour and uninvolved colonic tissue samples from patients undergoing surgical resection for colorectal cancer. Inhibitory checkpoint expression (PD-1) and functional status of isolated populations of TILs were analysed.
Result
Conventional and unconventional tissue-resident T cells were enriched in tumour samples compared to uninvolved healthy colonic tissue. Upregulation of PD-1 expression on TILs was observed in all patients, however the % upregulation varied among those with the same MMR status. A proportion of MSS tumours were found to have high levels of PD-1 expression, while a subset of MSI tumours had low PD-1 expression. Functional studies of cytotoxicity demonstrated varying TIL production of IFNg, TNFa and amphiregulin in patients with the same MMR status.
Conclusion
TIL profile (infiltration pattern, checkpoint expression and functional status) differs among patients with the same MMR status. A subset of ‘hot’ immunogenic MSS tumours exist that may respond to checkpoint blockade. Characterisation of TIL profile represents a more accurate method of selecting patients likely to derive benefit. Abbrev. CRC Colorectal cancer, MMR Mismatch repair, TIL Tumour-infiltrating lymphocytes, MSS Microsatellite stable, MSI Microsatellite unstable, IFNg Interferon-gamma, TNFa Tumour necrosis factor alpha
Take-home message
A subset of immunogenic microsatellite stable colorectal tumours exist that may respond to checkpoint blockade. Mismatch repair status alone does not accurately predict response to immunotherapy.
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Affiliation(s)
- A Zaborowski
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin 4, Ireland
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - C Harmon
- Harvard Institutes of Medicine, Harvard Medical School, Boston, USA
| | - D Duquette
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - L Dyck
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - L Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
- Harvard Institutes of Medicine, Harvard Medical School, Boston, USA
| | - D Winter
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin 4, Ireland
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28
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Lopes N, McIntyre C, Martin S, Raverdeau M, Sumaria N, Kohlgruber AC, Fiala GJ, Agudelo LZ, Dyck L, Kane H, Douglas A, Cunningham S, Prendeville H, Loftus R, Carmody C, Pierre P, Kellis M, Brenner M, Argüello RJ, Silva-Santos B, Pennington DJ, Lynch L. Distinct metabolic programs established in the thymus control effector functions of γδ T cell subsets in tumor microenvironments. Nat Immunol 2021; 22:179-192. [PMID: 33462452 PMCID: PMC7610600 DOI: 10.1038/s41590-020-00848-3] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 11/24/2020] [Indexed: 01/29/2023]
Abstract
Metabolic programming controls immune cell lineages and functions, but little is known about γδ T cell metabolism. Here, we found that γδ T cell subsets making either interferon-γ (IFN-γ) or interleukin (IL)-17 have intrinsically distinct metabolic requirements. Whereas IFN-γ+ γδ T cells were almost exclusively dependent on glycolysis, IL-17+ γδ T cells strongly engaged oxidative metabolism, with increased mitochondrial mass and activity. These distinct metabolic signatures were surprisingly imprinted early during thymic development and were stably maintained in the periphery and within tumors. Moreover, pro-tumoral IL-17+ γδ T cells selectively showed high lipid uptake and intracellular lipid storage and were expanded in obesity and in tumors of obese mice. Conversely, glucose supplementation enhanced the antitumor functions of IFN-γ+ γδ T cells and reduced tumor growth upon adoptive transfer. These findings have important implications for the differentiation of effector γδ T cells and their manipulation in cancer immunotherapy.
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MESH Headings
- Animals
- Breast Neoplasms/immunology
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Breast Neoplasms/therapy
- Cell Line, Tumor
- Cell Lineage
- Colonic Neoplasms/immunology
- Colonic Neoplasms/metabolism
- Colonic Neoplasms/pathology
- Colonic Neoplasms/therapy
- Energy Metabolism
- Female
- Glucose/metabolism
- Glycolysis
- Humans
- Immunotherapy, Adoptive
- Interferon-gamma/metabolism
- Interleukin-17/metabolism
- Lipid Metabolism
- Lymphocytes, Tumor-Infiltrating/immunology
- Lymphocytes, Tumor-Infiltrating/metabolism
- Lymphocytes, Tumor-Infiltrating/transplantation
- Melanoma, Experimental/immunology
- Melanoma, Experimental/metabolism
- Melanoma, Experimental/pathology
- Melanoma, Experimental/therapy
- Mice, Inbred C57BL
- Mice, Transgenic
- Mitochondria/metabolism
- Obesity/immunology
- Obesity/metabolism
- Organ Culture Techniques
- Phenotype
- Receptors, Antigen, T-Cell, gamma-delta/metabolism
- Signal Transduction
- T-Lymphocyte Subsets/immunology
- T-Lymphocyte Subsets/metabolism
- T-Lymphocyte Subsets/transplantation
- Thymus Gland/immunology
- Thymus Gland/metabolism
- Tumor Burden
- Tumor Microenvironment
- Mice
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Affiliation(s)
- Noella Lopes
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Claire McIntyre
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Stefania Martin
- Blizard Institute, Barts and The London School of Medicine, Queen Mary University of London, London, UK
| | - Mathilde Raverdeau
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Nital Sumaria
- Blizard Institute, Barts and The London School of Medicine, Queen Mary University of London, London, UK
| | | | - Gina J Fiala
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Leandro Z Agudelo
- MIT Computer Science and Artificial Intelligence Laboratory, Cambridge, MA, USA
| | - Lydia Dyck
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Harry Kane
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Aaron Douglas
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Stephen Cunningham
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Hannah Prendeville
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Roisin Loftus
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Colleen Carmody
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Philippe Pierre
- Aix Marseille Université, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
- Institute for Research in Biomedicine (iBiMED) and Ilidio Pinho Foundation, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Manolis Kellis
- MIT Computer Science and Artificial Intelligence Laboratory, Cambridge, MA, USA
| | - Michael Brenner
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Rafael J Argüello
- Aix Marseille Université, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Bruno Silva-Santos
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Daniel J Pennington
- Blizard Institute, Barts and The London School of Medicine, Queen Mary University of London, London, UK.
| | - Lydia Lynch
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
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29
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Wara AK, Wang S, Wu C, Fang F, Haemmig S, Weber BN, Aydogan CO, Tesmenitsky Y, Aliakbarian H, Hawse JR, Subramaniam M, Zhao L, Sage PT, Tavakkoli A, Garza A, Lynch L, Banks AS, Feinberg MW. KLF10 Deficiency in CD4 + T Cells Triggers Obesity, Insulin Resistance, and Fatty Liver. Cell Rep 2020; 33:108550. [PMID: 33378664 PMCID: PMC7816773 DOI: 10.1016/j.celrep.2020.108550] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 11/15/2019] [Accepted: 12/02/2020] [Indexed: 12/21/2022] Open
Abstract
CD4+ T cells regulate inflammation and metabolism in obesity. An imbalance of CD4+ T regulatory cells (Tregs) is critical in the development of insulin resistance and diabetes. Although cytokine control of this process is well understood, transcriptional regulation is not. KLF10, a member of the Kruppel-like transcription factor family, is an emerging regulator of immune cell function. We generated CD4+-T-cell-specific KLF10 knockout (TKO) mice and identified a predisposition to obesity, insulin resistance, and fatty liver due to defects of CD4+ Treg mobilization to liver and adipose tissue depots and decreased transforming growth factor β3 (TGF-β3) release in vitro and in vivo. Adoptive transfer of wild-type CD4+ Tregs fully rescued obesity, insulin resistance, and fatty liver. Mechanistically, TKO Tregs exhibit reduced mitochondrial respiration and glycolysis, phosphatidylinositol 3-kinase (PI3K)-Akt-mTOR signaling, and consequently impaired chemotactic properties. Collectively, our study identifies CD4+ T cell KLF10 as an essential regulator of obesity and insulin resistance by altering Treg metabolism and mobilization.
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Affiliation(s)
- Akm Khyrul Wara
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shijia Wang
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chun Wu
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Fang Fang
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Hematology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Stefan Haemmig
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Brittany N Weber
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ceren O Aydogan
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Cerrahpasa District, Kocamustafapasa Street, Number 34/E, Fatih, Istanbul, Turkey
| | - Yevgenia Tesmenitsky
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Hassan Aliakbarian
- Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - John R Hawse
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Lei Zhao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Peter T Sage
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ali Tavakkoli
- Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Cerrahpasa District, Kocamustafapasa Street, Number 34/E, Fatih, Istanbul, Turkey
| | - Amanda Garza
- Department of Medicine, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Lydia Lynch
- Department of Medicine, Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Alexander S Banks
- Department of Medicine, Division of Endocrinology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
| | - Mark W Feinberg
- Department of Medicine, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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30
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LaMarche NM, Kane H, Kohlgruber AC, Dong H, Lynch L, Brenner MB. Distinct iNKT Cell Populations Use IFNγ or ER Stress-Induced IL-10 to Control Adipose Tissue Homeostasis. Cell Metab 2020; 32:243-258.e6. [PMID: 32516575 PMCID: PMC8234787 DOI: 10.1016/j.cmet.2020.05.017] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/30/2020] [Accepted: 05/15/2020] [Indexed: 01/22/2023]
Abstract
Adipose tissue invariant natural killer T (iNKT) cells are phenotypically different from other iNKT cells because they produce IL-10 and control metabolic homeostasis. Why that is the case is unclear. Here, using single-cell RNA sequencing, we found several adipose iNKT clusters, which we grouped into two functional populations based on NK1.1 expression. NK1.1NEG cells almost exclusively produced IL-10 and other regulatory cytokines, while NK1.1POS iNKT cells predominantly produced IFNγ. Mechanistically, biochemical fractionation revealed that free fatty acids drive IL-10 production primarily in NK1.1NEG iNKT cells via the IRE1α-XBP1s arm of the unfolded protein response. Correspondingly, adoptive transfer of adipose tissue NK1.1NEG iNKT cells selectively restored metabolic function in obese mice. Further, we found an unexpected role for NK1.1POS iNKT cells in lean adipose tissue, as IFNγ licenses natural killer cell-mediated macrophage killing to limit pathological macrophage expansion. Together, these two iNKT cell populations utilize non-redundant pathways to preserve metabolic integrity.
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Affiliation(s)
- Nelson M LaMarche
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, USA; Program in Immunology, Harvard Medical School, Boston, MA, USA
| | - Harry Kane
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | | | - Han Dong
- Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, MA, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA; Department of Microbiology and Immunology, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland; Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Boston, MA, USA
| | - Michael B Brenner
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, MA, USA; Program in Immunology, Harvard Medical School, Boston, MA, USA; Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.
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31
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Harmon C, Zaborowski A, Kane H, Cunningham S, Agudelo L, Kellis M, Winter D, Lynch L. Abstract A47: scRNA-seq reveals functionally distinct gd T cells in human colorectal tumors. Cancer Immunol Res 2020. [DOI: 10.1158/2326-6074.tumimm19-a47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Colorectal cancer is the third most common malignancy worldwide, with increasing numbers due to the spreading obesity epidemic and Western diet. Colorectal tumors are subclassed by mutational burden, caused by microsatellite instability (MSI). MSI-high tumors tend to induce robust T-cell responses and respond well to immunotherapy. However, microsatellite-stable (MSS) tumors lack high mutational burden and conventional T-cell recognition. While these tumors have therefore been considered immunologically “cold,”, MSS tumors are infiltrated by innate lymphocytes, including gd T cells, natural killer (NK) cells, and mucosal associated invariant T (MAIT) cells. We therefore focused on the innate antitumor response in these patients. Colon tumor and uninvolved tissue were sampled from 6 patients undergoing surgical resection for MSS tumors. Using the 10x genomics platform, single-cell RNAseq was performed on isolated populations of gd T cells, NK cells, MAIT cells, and conventional T cells. Single-cell analysis of these tumors revealed significant heterogeneity in all cell subsets analyzed, revealing phenotypic and functional changes not previously observed in bulk sequencing data. A subset of gdT cells adopted a wound healing phenotype in all colorectal cancer samples. These soluble factors are involved in the tissue repair response and barrier integrity, providing mitogenic signals to epithelial cells. In addition, they are associated with immune suppression and induction of regulatory T cells. In humans, this phenotype can be induced in Vd1 T cells in response to proinflammatory cytokine stimulation. In the murine gut, resident gd T cells adopt this phenotype basally and increase production in response to inflammatory cytokine production. The combination of pro-tissue growth and immune suppression, by gd T cells, likely contributes to the poor immunogenicity of MSS tumors. Depleting or converting these cells represents a novel immunotherapeutic target in colorectal cancer.
Citation Format: Cathal Harmon, Alex Zaborowski, Harry Kane, Stephen Cunningham, Leandro Agudelo, Manolis Kellis, Des Winter, Lydia Lynch. scRNA-seq reveals functionally distinct gd T cells in human colorectal tumors [abstract]. In: Proceedings of the AACR Special Conference on Tumor Immunology and Immunotherapy; 2019 Nov 17-20; Boston, MA. Philadelphia (PA): AACR; Cancer Immunol Res 2020;8(3 Suppl):Abstract nr A47.
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Affiliation(s)
| | | | - Harry Kane
- 2Trinity College Dublin, Dublin, Ireland,
| | | | | | | | - Des Winter
- 4St. Vincent’s University Hospital, Dublin, Ireland
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32
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Raverdeau M, Cunningham SP, Harmon C, Lynch L. γδ T cells in cancer: a small population of lymphocytes with big implications. Clin Transl Immunology 2019; 8:e01080. [PMID: 31624593 PMCID: PMC6787154 DOI: 10.1002/cti2.1080] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 09/02/2019] [Accepted: 09/02/2019] [Indexed: 12/24/2022] Open
Abstract
γδ T cells are a small population of mostly tissue‐resident lymphocytes, with both innate and adaptive properties. These unique features make them particularly attractive candidates for the development of new cellular therapy targeted against tumor development. Nevertheless, γδ T cells may play dual roles in cancer, promoting cancer development on the one hand, while participating in antitumor immunity on the other hand. In mice, γδ T‐cell subsets preferentially produce IL‐17 or IFN‐γ. While antitumor functions of murine γδ T cells can be attributed to IFN‐γ+ γδ T cells, recent studies have implicated IL‐17+ γδ T cells in tumor growth and metastasis. However, in humans, IL‐17‐producing γδ T cells are rare and most studies have attributed a protective role to γδ T cells against cancer. In this review, we will present the current knowledge and most recent findings on γδ T‐cell functions in mouse models of tumor development and human cancers. We will also discuss their potential as cellular immunotherapy against cancer.
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Affiliation(s)
- Mathilde Raverdeau
- School of Biochemistry and Immunology Trinity College Dublin Dublin Ireland
| | | | - Cathal Harmon
- Harvard Medical School Boston MA USA.,Brigham and Women's Hospital Boston MA USA
| | - Lydia Lynch
- School of Biochemistry and Immunology Trinity College Dublin Dublin Ireland.,Harvard Medical School Boston MA USA.,Brigham and Women's Hospital Boston MA USA
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33
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Kane H, Lynch L. Innate Immune Control of Adipose Tissue Homeostasis. Trends Immunol 2019; 40:857-872. [DOI: 10.1016/j.it.2019.07.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/18/2019] [Accepted: 07/18/2019] [Indexed: 12/19/2022]
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34
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Clancy‐Thompson E, Chen GZ, LaMarche NM, Ali LR, Jeong H, Crowley SJ, Boelaars K, Brenner MB, Lynch L, Dougan SK. Transnuclear mice reveal Peyer's patch iNKT cells that regulate B-cell class switching to IgG1. EMBO J 2019; 38:e101260. [PMID: 31304630 PMCID: PMC6627243 DOI: 10.15252/embj.2018101260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 04/28/2019] [Accepted: 05/02/2019] [Indexed: 12/27/2022] Open
Abstract
Tissue-resident iNKT cells maintain tissue homeostasis and peripheral surveillance against pathogens; however, studying these cells is challenging due to their low abundance and poor recovery from tissues. We here show that iNKT transnuclear mice, generated by somatic cell nuclear transfer, have increased tissue resident iNKT cells. We examined expression of PLZF, T-bet, and RORγt, as well as cytokine/chemokine profiles, and found that both monoclonal and polyclonal iNKT cells differentiated into functional subsets that faithfully replicated those seen in wild-type mice. We detected iNKT cells from tissues in which they are rare, including adipose, lung, skin-draining lymph nodes, and a previously undescribed population in Peyer's patches (PP). PP-NKT cells produce the majority of the IL-4 in Peyer's patches and provide indirect help for B-cell class switching to IgG1 in both transnuclear and wild-type mice. Oral vaccination with α-galactosylceramide shows enhanced fecal IgG1 titers in iNKT cell-sufficient mice. Transcriptional profiling reveals a unique signature of PP-NKT cells, characterized by tissue residency. We thus define PP-NKT as potentially important for surveillance for mucosal pathogens.
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Affiliation(s)
| | - Gui Zhen Chen
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
| | - Nelson M LaMarche
- Department of RheumatologyBrigham and Women's HospitalBostonMAUSA
- Program in ImmunologyHarvard Medical SchoolBostonMAUSA
| | - Lestat R Ali
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
| | - Hee‐Jin Jeong
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
- Present address:
Hongik UniversitySeoulKorea
| | - Stephanie J Crowley
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
| | - Kelly Boelaars
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
- VU University AmsterdamAmsterdamThe Netherlands
| | - Michael B Brenner
- Department of RheumatologyBrigham and Women's HospitalBostonMAUSA
- Program in ImmunologyHarvard Medical SchoolBostonMAUSA
| | - Lydia Lynch
- Department of RheumatologyBrigham and Women's HospitalBostonMAUSA
- Program in ImmunologyHarvard Medical SchoolBostonMAUSA
| | - Stephanie K Dougan
- Department of Cancer Immunology and VirologyDana‐Farber Cancer InstituteBostonMAUSA
- Program in ImmunologyHarvard Medical SchoolBostonMAUSA
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35
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O'Brien A, Loftus RM, Pisarska MM, Tobin LM, Bergin R, Wood NAW, Foley C, Mat A, Tinley FC, Bannan C, Sommerville G, Veerapen N, Besra GS, Sinclair LV, Moynagh PN, Lynch L, Finlay DK, O'Shea D, Hogan AE. Obesity Reduces mTORC1 Activity in Mucosal-Associated Invariant T Cells, Driving Defective Metabolic and Functional Responses. J Immunol 2019; 202:3404-3411. [PMID: 31076528 DOI: 10.4049/jimmunol.1801600] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Accepted: 04/12/2019] [Indexed: 12/13/2022]
Abstract
Obesity underpins the development of numerous chronic diseases, such as type II diabetes mellitus. It is well established that obesity negatively alters immune cell frequencies and functions. Mucosal-associated invariant T (MAIT) cells are a population of innate T cells, which we have previously reported are dysregulated in obesity, with altered circulating and adipose tissue frequencies and a reduction in their IFN-γ production, which is a critical effector function of MAIT cells in host defense. Hence, there is increased urgency to characterize the key molecular mechanisms that drive MAIT cell effector functions and to identify those which are impaired in the obesity setting. In this study, we found that MAIT cells significantly upregulate their rates of glycolysis upon activation in an mTORC1-dependent manner, and this is essential for MAIT cell IFN-γ production. Furthermore, we show that mTORC1 activation is dependent on amino acid transport via SLC7A5. In obese patients, using RNA sequencing, Seahorse analysis, and a series of in vitro experiments, we demonstrate that MAIT cells isolated from obese adults display defective glycolytic metabolism, mTORC1 signaling, and SLC7A5 aa transport. Collectively, our data detail the intrinsic metabolic pathways controlling MAIT cell cytokine production and highlight mTORC1 as an important metabolic regulator that is impaired in obesity, leading to altered MAIT cell responses.
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Affiliation(s)
- Aisling O'Brien
- Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland
| | - Roisin M Loftus
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland
| | - Marta M Pisarska
- National Children's Research Centre, Dublin 12, Ireland.,Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
| | - Laura M Tobin
- Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland.,National Children's Research Centre, Dublin 12, Ireland
| | - Ronan Bergin
- Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
| | - Nicole A W Wood
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland.,Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
| | - Cathriona Foley
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland
| | - Arimin Mat
- Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland
| | - Frances C Tinley
- Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
| | - Ciaran Bannan
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland
| | - Gary Sommerville
- Dana Farber Cancer Institute, Molecular Biology Core Facilities, Boston, MA 02215
| | - Natacha Veerapen
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Gurdyal S Besra
- School of Biosciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Linda V Sinclair
- Division of Cell Signaling and Immunology, School of Life Sciences, University of Dundee, Dundee DD1 5EH, United Kingdom
| | - Paul N Moynagh
- Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland.,School of Medicine, Dentistry and Biomedical Sciences, Wellcome-Wolfson Institute for Experimental Medicine, Queen's University, Belfast BT9 7BL, United Kingdom
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland
| | - David K Finlay
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College, Dublin 2, Ireland.,School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 4, Ireland; and.,School of Pharmacy and Pharmaceutical Sciences, Trinity College, Dublin 2, Ireland
| | - Donal O'Shea
- Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland.,National Children's Research Centre, Dublin 12, Ireland.,Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
| | - Andrew E Hogan
- Obesity Immunology Group, Education and Research Centre, St. Vincent's University Hospital, University College Dublin, Dublin 4, Ireland; .,National Children's Research Centre, Dublin 12, Ireland.,Department of Biology, Institute of Immunology, Maynooth University, Maynooth, County Kildare W23 F2K8, Ireland
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36
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Kohlgruber AC, Gal-Oz ST, LaMarche NM, Shimazaki M, Duquette D, Koay HF, Nguyen HN, Mina AI, Paras T, Tavakkoli A, von Andrian U, Uldrich AP, Godfrey DI, Banks AS, Shay T, Brenner MB, Lynch L. Author Correction: γδ T cells producing interleukin-17A regulate adipose regulatory T cell homeostasis and thermogenesis. Nat Immunol 2019; 20:373. [DOI: 10.1038/s41590-019-0330-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Triolo TM, Fouts A, Pyle L, Yu L, Gottlieb PA, Steck AK, Greenbaum CJ, Atkinson M, Baidal D, Battaglia M, Becker D, Bingley P, Bosi E, Buckner J, Clements M, Colman P, DiMeglio L, Gitelman S, Goland R, Gottlieb P, Herold K, Knip M, Krischer J, Lernmark A, Moore W, Moran A, Muir A, Palmer J, Peakman M, Philipson L, Raskin P, Redondo M, Rodriguez H, Russell W, Spain L, Schatz D, Sosenko J, Wentworth J, Wherrett D, Wilson D, Winter W, Ziegler A, Anderson M, Antinozzi P, Benoist C, Blum J, Bourcier K, Chase P, Clare-Salzler M, Clynes R, Eisenbarth G, Fathman C, Grave G, Hering B, Insel R, Kaufman F, Kay T, Leschek E, Mahon J, Marks J, Nanto-Salonen K, Nepom G, Orban T, Parkman R, Pescovitz M, Peyman J, Pugliese A, Roep B, Roncarolo M, Savage P, Simell O, Sherwin R, Siegelman M, Skyler J, Steck A, Thomas J, Trucco M, Wagner J, Krischer JP, Leschek E, Rafkin L, Bourcier K, Cowie C, Foulkes M, Insel R, Krause-Steinrauf H, Lachin JM, Malozowski S, Peyman J, Ridge J, Savage P, Skyler JS, Zafonte SJ, Rafkin L, Sosenko JM, Kenyon NS, Santiago I, Krischer JP, Bundy B, Abbondondolo M, Dixit S, Pasha M, King K, Adcock H, Atterberry L, Fox K, Englert N, Mauras J, Permuy K, Sikes T, Adams T, Berhe B, Guendling L, McLennan L, Paganessi C, Murphy M, Draznin M, Kamboj S, Sheppard V, Lewis L, Coates W, Amado D, Moore G, Babar J, Bedard D, Brenson-Hughes J, Cernich M, Clements R, Duprau S, Goodman L, Hester L, Huerta-Saenz A, Asif I, Karmazin T, Letjen S, Raman D, Morin W, Bestermann E, Morawski J, White A, Brockmyer R, Bays S, Campbell A, Boonstra M, Stapleton N, Stone A, Donoho H, Everett H, Hensley M, Johnson C, Marshall N, Skirvin P, Taylor R, Williams L, Burroughs C, Ray C, Wolverton D, Nickels C, Dothard P, Speiser M, Pellizzari L, Bokor K, Izuora S, Abdelnour P, Cummings S, Cuthbertson D, Paynor M, Leahy M, Riedl S, Shockley R, Saad T, Briones S, Casella C, Herz K, Walsh J, Greening F, Deemer M, Hay S, Hunt N, Sikotra L, Simons D, Karounos R, Oremus L, Dye L, Myers D, Ballard W, Miers R, Eberhard C, Sparks K, Thraikill K, Edwards J, Fowlkes S, Kemp A, Morales L, Holland L, Johnson P, Paul A, Ghatak K, Fiske S, Phelen H, Leyland T, Henderson D, Brenner E, Oppenheimer I, Mamkin C, Moniz C, Clarson M, Lovell A, Peters V, Ford J, Ruelas D, Borut D, Burt M, Jordan S, Castilla P, Flores M, Ruiz L, Hanson J, Green-Blair R, Sheridan K, Garmeson J, Wintergerst G, Pierce A, Omoruyi M, Foster S, Kingery A, Lunsford I, Cervantes T, Parker P, Price J, Urben I, Guillette H, Doughty H, Haydock V, Parker P, Bergman S, Duncum C, Rodda A, Perelman R, Calendo C, Barrera E, Arce-Nunez Y, Geyer S, Martinez M, De la Portilla I, Cardenas L, Garrido M, Villar R, Lorini E, Calandra G, D’Annuzio K, Perri N, Minuto C, Hays B, Rebora R, Callegari O, Ali J, Kramer B, Auble S, Cabrera P, Donohoue R, Fiallo-Scharer M, Hessner P, Wolfgram A, Henderson C, Kansra N, Bettin R, McCuller A, Miller S, Accacha J, Corrigan E, Fiore R, Levine T, Mahoney C, Polychronakos V, Henry M, Gagne 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Manning G, Hendry B, Taylor S, Jones W, Strader M, Bencomo T, Bailey L, Bedolla C, Roldan C, Moudiotis B, Vaidya C, Anning S, Bunce S, Estcourt E, Folland E, Gordon C, Harrill J, Ireland J, Piper L, Scaife K, Sutton S, Wilkins M, Costelloe J, Palmer L, Casas C, Miller M, Burgard C, Erickson J, Hallanger-Johnson P, Clark W, Taylor A, Lafferty S, Gillett C, Nolan M, Pathak L, Sondrol T, Hjelle S, Hafner J, Kotrba R, Hendrickson A, Cemeroglu T, Symington M, Daniel Y, Appiagyei-Dankah D, Postellon M, Racine L, Kleis K, Barnes S, Godwin H, McCullough K, Shaheen G, Buck L, Noel M, Warren S, Weber S, Parker I, Gillespie B, Nelson C, Frost J, Amrhein E, Moreland A, Hayes J, Peggram J, Aisenberg M, Riordan J, Zasa E, Cummings K, Scott T, Pinto A, Mokashi K, McAssey E, Helden P, Hammond L, Dinning S, Rahman S, Ray C, Dimicri S, Guppy H, Nielsen C, Vogel C, Ariza L, Morales Y, Chang R, Gabbay L, Ambrocio L, Manley R, Nemery W, Charlton P, Smith L, Kerr B, Steindel-Kopp M, Alamaguer D, Liljenquist G, Browning T, Coughenour M, Sulk E, Tsalikan M, Tansey J, Cabbage N. Identical and Nonidentical Twins: Risk and Factors Involved in Development of Islet Autoimmunity and Type 1 Diabetes. Diabetes Care 2019; 42:192-199. [PMID: 30061316 PMCID: PMC6341285 DOI: 10.2337/dc18-0288] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/28/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE There are variable reports of risk of concordance for progression to islet autoantibodies and type 1 diabetes in identical twins after one twin is diagnosed. We examined development of positive autoantibodies and type 1 diabetes and the effects of genetic factors and common environment on autoantibody positivity in identical twins, nonidentical twins, and full siblings. RESEARCH DESIGN AND METHODS Subjects from the TrialNet Pathway to Prevention Study (N = 48,026) were screened from 2004 to 2015 for islet autoantibodies (GAD antibody [GADA], insulinoma-associated antigen 2 [IA-2A], and autoantibodies against insulin [IAA]). Of these subjects, 17,226 (157 identical twins, 283 nonidentical twins, and 16,786 full siblings) were followed for autoantibody positivity or type 1 diabetes for a median of 2.1 years. RESULTS At screening, identical twins were more likely to have positive GADA, IA-2A, and IAA than nonidentical twins or full siblings (all P < 0.0001). Younger age, male sex, and genetic factors were significant factors for expression of IA-2A, IAA, one or more positive autoantibodies, and two or more positive autoantibodies (all P ≤ 0.03). Initially autoantibody-positive identical twins had a 69% risk of diabetes by 3 years compared with 1.5% for initially autoantibody-negative identical twins. In nonidentical twins, type 1 diabetes risk by 3 years was 72% for initially multiple autoantibody-positive, 13% for single autoantibody-positive, and 0% for initially autoantibody-negative nonidentical twins. Full siblings had a 3-year type 1 diabetes risk of 47% for multiple autoantibody-positive, 12% for single autoantibody-positive, and 0.5% for initially autoantibody-negative subjects. CONCLUSIONS Risk of type 1 diabetes at 3 years is high for initially multiple and single autoantibody-positive identical twins and multiple autoantibody-positive nonidentical twins. Genetic predisposition, age, and male sex are significant risk factors for development of positive autoantibodies in twins.
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Affiliation(s)
- Taylor M. Triolo
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Alexandra Fouts
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Laura Pyle
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
| | - Andrea K. Steck
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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Harmon C, Robinson MW, Hand F, Almuaili D, Mentor K, Houlihan DD, Hoti E, Lynch L, Geoghegan J, O'Farrelly C. Lactate-Mediated Acidification of Tumor Microenvironment Induces Apoptosis of Liver-Resident NK Cells in Colorectal Liver Metastasis. Cancer Immunol Res 2018; 7:335-346. [PMID: 30563827 DOI: 10.1158/2326-6066.cir-18-0481] [Citation(s) in RCA: 165] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/06/2018] [Accepted: 12/14/2018] [Indexed: 11/16/2022]
Abstract
Colorectal cancer is the third most common malignancy worldwide, with 1.3 million new cases annually. Metastasis to the liver is a leading cause of mortality in these patients. In human liver, metastatic cancer cells must evade populations of liver-resident natural killer (NK) cells with potent cytotoxic capabilities. Here, we investigated how these tumors evade liver NK-cell surveillance. Tissue biopsies were obtained from patients undergoing resection of colorectal liver metastasis (CRLM, n = 18), from the tumor, adjacent tissue, and distal resection margin. The number and phenotype of liver-resident NK cells, at each site, were analyzed by flow cytometry. Tumor-conditioned media (TCM) was generated for cytokine and metabolite quantification and used to treat healthy liver-resident NK cells, isolated from donor liver perfusate during transplantation. Liver-resident NK cells were significantly depleted from CRLM tumors. Healthy liver-resident NK cells exposed to TCM underwent apoptosis in vitro, associated with elevated lactate. Tumor-infiltrating liver-resident NK cells showed signs of mitochondrial stress, which was recapitulated in vitro by treating liver-resident NK cells with lactic acid. Lactic acid induced apoptosis by decreasing the intracellular pH of NK cells, resulting in mitochondrial dysfunction that could be prevented by blocking mitochondrial ROS accumulation. CRLM tumors produced lactate, thus decreasing the pH of the tumor microenvironment. Liver-resident NK cells migrating toward the tumor were unable to regulate intracellular pH resulting in mitochondrial stress and apoptosis. Targeting CRLM metabolism provides a promising therapeutic approach to restoring local NK-cell activity and preventing tumor growth.
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Affiliation(s)
- Cathal Harmon
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Mark W Robinson
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Fiona Hand
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,Liver Unit, St. Vincent's University Hospital, Dublin, Ireland
| | - Dalal Almuaili
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Keno Mentor
- Liver Unit, St. Vincent's University Hospital, Dublin, Ireland
| | | | - Emir Hoti
- Liver Unit, St. Vincent's University Hospital, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Cliona O'Farrelly
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland. .,School of Medicine, Trinity College Dublin, Dublin, Ireland
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39
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Abstract
NK cells control tumor growth directly through targeted cytotoxic granule release or cytokine secretion and indirectly by orchestrating anti-tumor immune responses. In this issue of Immunity, Glasner et al. (2018) now reveal a new role for NK cells in preventing metastatic spread through controlling tumor architecture.
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Affiliation(s)
- Lydia Dyck
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland; Harvard Medical School, Boston, MA, USA; Brigham and Women's Hospital, Boston, MA, USA.
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40
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Hong S, Song W, Zushin PJH, Liu B, Jedrychowski MP, Mina AI, Deng Z, Cabarkapa D, Hall JA, Palmer CJ, Aliakbarian H, Szpyt J, Gygi SP, Tavakkoli A, Lynch L, Perrimon N, Banks AS. Phosphorylation of Beta-3 adrenergic receptor at serine 247 by ERK MAP kinase drives lipolysis in obese adipocytes. Mol Metab 2018; 12:25-38. [PMID: 29661693 PMCID: PMC6001906 DOI: 10.1016/j.molmet.2018.03.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 03/21/2018] [Accepted: 03/24/2018] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE The inappropriate release of free fatty acids from obese adipose tissue stores has detrimental effects on metabolism, but key molecular mechanisms controlling FFA release from adipocytes remain undefined. Although obesity promotes systemic inflammation, we find activation of the inflammation-associated Mitogen Activated Protein kinase ERK occurs specifically in adipose tissues of obese mice, and provide evidence that adipocyte ERK activation may explain exaggerated adipose tissue lipolysis observed in obesity. METHODS AND RESULTS We provide genetic and pharmacological evidence that inhibition of the MEK/ERK pathway in human adipose tissue, mice, and flies all effectively limit adipocyte lipolysis. In complementary findings, we show that genetic and obesity-mediated activation of ERK enhances lipolysis, whereas adipose tissue specific knock-out of ERK2, the exclusive ERK1/2 protein in adipocytes, dramatically impairs lipolysis in explanted mouse adipose tissue. In addition, acute inhibition of MEK/ERK signaling also decreases lipolysis in adipose tissue and improves insulin sensitivity in obese mice. Mice with decreased rates of adipose tissue lipolysis in vivo caused by either MEK or ATGL pharmacological inhibition were unable to liberate sufficient White Adipose Tissue (WAT) energy stores to fuel thermogenesis from brown fat during a cold temperature challenge. To identify a molecular mechanism controlling these actions, we performed unbiased phosphoproteomic analysis of obese adipose tissue at different time points following acute pharmacological MEK/ERK inhibition. MEK/ERK inhibition decreased levels of adrenergic signaling and caused de-phosphorylation of the β3-adrenergic receptor (β3AR) on serine 247. To define the functional implications of this phosphorylation, we showed that CRISPR/Cas9 engineered cells expressing wild type β3AR exhibited β3AR phosphorylation by ERK2 and enhanced lipolysis, but this was not seen when serine 247 of β3AR was mutated to alanine. CONCLUSION Taken together, these data suggest that ERK activation in adipocytes and subsequent phosphorylation of the β3AR on S247 are critical regulatory steps in the enhanced adipocyte lipolysis of obesity.
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Affiliation(s)
- Shangyu Hong
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Wei Song
- Department of Genetics, Harvard Medical School, and Howard Hughes Medical Institute, Boston, MA, 02115, USA
| | - Peter-James H Zushin
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Bingyang Liu
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | | | - Amir I Mina
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Zhaoming Deng
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Dimitrije Cabarkapa
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Jessica A Hall
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Colin J Palmer
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Hassan Aliakbarian
- Department of Surgery, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, 02115, USA
| | - John Szpyt
- Department of Cell Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA, 02115, USA
| | - Ali Tavakkoli
- Department of Surgery, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, 02115, USA
| | - Lydia Lynch
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Norbert Perrimon
- Department of Genetics, Harvard Medical School, and Howard Hughes Medical Institute, Boston, MA, 02115, USA
| | - Alexander S Banks
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA.
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41
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Hogan AE, O’Brien A, Finlay DK, Lynch L, O’Shea D. Altered cellular metabolism in Mucosal-associated invariant T cells drives dysregulated effector functions in obesity. The Journal of Immunology 2018. [DOI: 10.4049/jimmunol.200.supp.166.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Abstract
Obesity is a global epidemic and responsible for the development of numerous chronic diseases including type II diabetes. It is well established that obesity negatively alters circulating and tissue resident immune cell frequencies and functions. Mucosal associated invariant T (MAIT) cells are a population of innate T cells, which upon activation can rapidly produce cytokines including IFN-y, TNF-a and IL-17. We have previously reported that MAIT cells are dysregulated in obesity, with altered circulating and adipose tissue frequencies and a reduction in IFN-y production. The mechanisms driving their defective cytokine production are currently unknown. We performed RNA sequencing of MAIT cells isolated from lean and obese adults and reveal extensive alterations in metabolic pathways. Upon activation, immune cells undergo metabolic reprogramming, this allows for the increased demand for energy and biological intermediates required for the formation of effector proteins such as cytokines. Metabolic reprogramming can also determine the type of immune response elicited by specific immune cells. The metabolic pathways utilized by MAIT cells are currently unknown. In this report, we demonstrate that both cellular glycolysis and oxidative phosphorylation are important for MAIT cell cytokine production. We show that obesity induces defects in glucose consumption, mTOR activation and glycolytic metabolism, which explains the loss of IFN-y production previously reported in obesity. Collectively our data show for the first time the intrinsic metabolic pathways controlling MAIT cell cytokine production and highlight a mechanism for the altered MAIT cell responses reported in obesity.
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Kohlgruber AC, Gal-Oz ST, LaMarche NM, Shimazaki M, Duquette D, Koay HF, Nguyen HN, Mina AI, Paras T, Tavakkoli A, von Andrian U, Uldrich AP, Godfrey DI, Banks AS, Shay T, Brenner MB, Lynch L. γδ T cells producing interleukin-17A regulate adipose regulatory T cell homeostasis and thermogenesis. Nat Immunol 2018; 19:464-474. [PMID: 29670241 DOI: 10.1038/s41590-018-0094-2] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 03/16/2018] [Indexed: 01/10/2023]
Abstract
γδ T cells are situated at barrier sites and guard the body from infection and damage. However, little is known about their roles outside of host defense in nonbarrier tissues. Here, we characterize a highly enriched tissue-resident population of γδ T cells in adipose tissue that regulate age-dependent regulatory T cell (Treg) expansion and control core body temperature in response to environmental fluctuations. Mechanistically, innate PLZF+ γδ T cells produced tumor necrosis factor and interleukin (IL) 17 A and determined PDGFRα+ and Pdpn+ stromal-cell production of IL-33 in adipose tissue. Mice lacking γδ T cells or IL-17A exhibited decreases in both ST2+ Treg cells and IL-33 abundance in visceral adipose tissue. Remarkably, these mice also lacked the ability to regulate core body temperature at thermoneutrality and after cold challenge. Together, these findings uncover important physiological roles for resident γδ T cells in adipose tissue immune homeostasis and body-temperature control.
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Affiliation(s)
- Ayano C Kohlgruber
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA.,Division of Medical Sciences, Harvard Medical School, Boston, MA, USA
| | - Shani T Gal-Oz
- Department of Life Sciences, Ben-Gurion University of the Negev, Beersheba, Israel
| | - Nelson M LaMarche
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA.,Division of Medical Sciences, Harvard Medical School, Boston, MA, USA
| | - Moto Shimazaki
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA
| | - Danielle Duquette
- Division of Endocrinology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Hui-Fern Koay
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, Australia.,ARC Centre of Excellence in Advanced Molecular Imaging, University of Melbourne, Parkville, Australia
| | - Hung N Nguyen
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA
| | - Amir I Mina
- Division of Endocrinology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Tyler Paras
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA
| | - Ali Tavakkoli
- Department of General and Gastrointestinal Surgery, Brigham and Women's Hospital, Boston, MA, USA
| | - Ulrich von Andrian
- Division of Medical Sciences, Harvard Medical School, Boston, MA, USA.,Department of Microbiology and Immunology, Harvard Medical School, Boston, MA, USA
| | - Adam P Uldrich
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, Australia.,ARC Centre of Excellence in Advanced Molecular Imaging, University of Melbourne, Parkville, Australia
| | - Dale I Godfrey
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, Australia.,ARC Centre of Excellence in Advanced Molecular Imaging, University of Melbourne, Parkville, Australia
| | - Alexander S Banks
- Division of Endocrinology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Tal Shay
- Department of Life Sciences, Ben-Gurion University of the Negev, Beersheba, Israel
| | - Michael B Brenner
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA.
| | - Lydia Lynch
- Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, USA. .,Division of Endocrinology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA. .,School of Biochemistry and Immunology, Trinity College, Dublin, Ireland.
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Abstract
In this issue of Cell Metabolism, Macdougall et al. (2018) identify two subsets of conventional dendritic cells in visceral adipose tissue and demonstrate that these subsets engage distinct adipocyte-associated signaling pathways to drive their tolerogenic phenotypes in the lean state.
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Affiliation(s)
- Nelson M LaMarche
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lydia Lynch
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
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Dyck L, Lynch L. Cancer, obesity and immunometabolism - Connecting the dots. Cancer Lett 2017; 417:11-20. [PMID: 29253522 DOI: 10.1016/j.canlet.2017.12.019] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 12/12/2017] [Accepted: 12/12/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Lydia Dyck
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Lydia Lynch
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland; Harvard Medical School, Boston, MA, USA; Brigham and Women's Hospital, Boston, MA, USA.
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Prüss H, Tedeschi A, Thiriot A, Lynch L, Loughhead SM, Stutte S, Mazo IB, Kopp MA, Brommer B, Blex C, Geurtz LC, Liebscher T, Niedeggen A, Dirnagl U, Bradke F, Volz MS, DeVivo MJ, Chen Y, von Andrian UH, Schwab JM. Spinal cord injury-induced immunodeficiency is mediated by a sympathetic-neuroendocrine adrenal reflex. Nat Neurosci 2017; 20:1549-1559. [PMID: 28920935 DOI: 10.1038/nn.4643] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 08/24/2017] [Indexed: 01/31/2023]
Abstract
Acute spinal cord injury (SCI) causes systemic immunosuppression and life-threatening infections, thought to result from noradrenergic overactivation and excess glucocorticoid release via hypothalamus-pituitary-adrenal axis stimulation. Instead of consecutive hypothalamus-pituitary-adrenal axis activation, we report that acute SCI in mice induced suppression of serum norepinephrine and concomitant increase in cortisol, despite suppressed adrenocorticotropic hormone, indicating primary (adrenal) hypercortisolism. This neurogenic effect was more pronounced after high-thoracic level (Th1) SCI disconnecting adrenal gland innervation, compared with low-thoracic level (Th9) SCI. Prophylactic adrenalectomy completely prevented SCI-induced glucocorticoid excess and lymphocyte depletion but did not prevent pneumonia. When adrenalectomized mice were transplanted with denervated adrenal glands to restore physiologic glucocorticoid levels, the animals were completely protected from pneumonia. These findings identify a maladaptive sympathetic-neuroendocrine adrenal reflex mediating immunosuppression after SCI, implying that therapeutic normalization of the glucocorticoid and catecholamine imbalance in SCI patients could be a strategy to prevent detrimental infections.
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Affiliation(s)
- Harald Prüss
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA.,Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE), Berlin, Germany
| | - Andrea Tedeschi
- Boston Children's Hospital, F.M. Kirby Neurobiology Center, Center for Life Science, Harvard Medical School, Boston, Massachusetts, USA.,German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.,Center for Brain and Spinal Cord Repair, Department of Neuroscience, The Neurological Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Aude Thiriot
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA
| | - Lydia Lynch
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA
| | - Scott M Loughhead
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA
| | - Susanne Stutte
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA.,Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Irina B Mazo
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA
| | - Marcel A Kopp
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Benedikt Brommer
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Boston Children's Hospital, F.M. Kirby Neurobiology Center, Center for Life Science, Harvard Medical School, Boston, Massachusetts, USA
| | - Christian Blex
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Laura-Christin Geurtz
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Thomas Liebscher
- Treatment Centre for Spinal Cord Injuries, Trauma Hospital Berlin, Berlin, Germany
| | - Andreas Niedeggen
- Treatment Centre for Spinal Cord Injuries, Trauma Hospital Berlin, Berlin, Germany
| | - Ulrich Dirnagl
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE), Berlin, Germany
| | - Frank Bradke
- German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Magdalena S Volz
- Department of Gastroenterology, Infectiology and Rheumatology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Michael J DeVivo
- National Spinal Cord Injury Statistical Center, Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Yuying Chen
- National Spinal Cord Injury Statistical Center, Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Ulrich H von Andrian
- Department of Microbiology and Immunobiology, Division of Immunology, Harvard Medical School, Boston, Massachusetts, USA
| | - Jan M Schwab
- Department of Neurology and Experimental Neurology, Clinical and Experimental Spinal Cord Injury Research (Neuroparaplegiology), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.,Department of Neurology and Neuroscience, Center for Brain and Spinal Cord Repair, Department of Physical Medicine and Rehabilitation, The Neurological Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
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46
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Boulenouar S, Michelet X, Duquette D, Alvarez D, Hogan AE, Dold C, O'Connor D, Stutte S, Tavakkoli A, Winters D, Exley MA, O'Shea D, Brenner MB, von Andrian U, Lynch L. Adipose Type One Innate Lymphoid Cells Regulate Macrophage Homeostasis through Targeted Cytotoxicity. Immunity 2017; 46:273-286. [PMID: 28228283 DOI: 10.1016/j.immuni.2017.01.008] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 10/24/2016] [Accepted: 01/09/2017] [Indexed: 12/21/2022]
Abstract
Adipose tissue has a dynamic immune system that adapts to changes in diet and maintains homeostatic tissue remodeling. Adipose type 1 innate lymphoid cells (AT1-ILCs) promote pro-inflammatory macrophages in obesity, but little is known about their functions at steady state. Here we found that human and murine adipose tissue harbor heterogeneous populations of AT1-ILCs. Experiments using parabiotic mice fed a high-fat diet (HFD) showed differential trafficking of AT1-ILCs, particularly in response to short- and long-term HFD and diet restriction. At steady state, AT1-ILCs displayed cytotoxic activity toward adipose tissue macrophages (ATMs). Depletion of AT1-ILCs and perforin deficiency resulted in alterations in the ratio of inflammatory to anti-inflammatory ATMs, and adoptive transfer of AT1-ILCs exacerbated metabolic disorder. Diet-induced obesity impaired AT1-ILC killing ability. Our findings reveal a role for AT1-ILCs in regulating ATM homeostasis through cytotoxicity and suggest that this function is relevant in both homeostasis and metabolic disease.
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Affiliation(s)
- Selma Boulenouar
- Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Xavier Michelet
- Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA
| | | | | | - Andrew E Hogan
- Education Research Centre, St. Vincent's University Hospital, Dublin 4, Ireland
| | - Christina Dold
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Donal O'Connor
- Education Research Centre, St. Vincent's University Hospital, Dublin 4, Ireland
| | | | | | - Desmond Winters
- Education Research Centre, St. Vincent's University Hospital, Dublin 4, Ireland
| | - Mark A Exley
- Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Donal O'Shea
- Education Research Centre, St. Vincent's University Hospital, Dublin 4, Ireland
| | | | | | - Lydia Lynch
- Brigham and Women's Hospital, Boston, MA 02115, USA; Harvard Medical School, Boston, MA 02115, USA; School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland.
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47
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Chang SK, Kohlgruber AC, Mizoguchi F, Michelet X, Wolf BJ, Wei K, Lee PY, Lynch L, Duquette D, Ceperuelo-Mallafré V, Banks AS, Brenner MB. Stromal cell cadherin-11 regulates adipose tissue inflammation and diabetes. J Clin Invest 2017; 127:3300-3312. [PMID: 28758901 DOI: 10.1172/jci86881] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 06/08/2017] [Indexed: 12/29/2022] Open
Abstract
M2 macrophages, innate lymphoid type 2 cells (ILC2s), eosinophils, Tregs, and invariant NK T cells (iNKT cells) all help to control adipose tissue inflammation, while M1 macrophages, TNF, and other inflammatory cytokines drive inflammation and insulin resistance in obesity. Stromal cells regulate leukocyte responses in lymph nodes, but the role of stromal cells in adipose tissue inflammation is unknown. PDGFRα+ stromal cells are major producers of IL-33 in adipose tissue. Here, we show that mesenchymal cadherin-11 modulates stromal fibroblast function. Cadherin-11-deficient mice displayed increased stromal production of IL-33, with concomitant enhancements in ILC2s and M2 macrophages that helped control adipose tissue inflammation. Higher expression levels of IL-33 in cadherin-11-deficient mice mediated ILC2 activation, resulting in higher IL-13 expression levels and M2 macrophage expansion in adipose tissue. Consistent with reduced adipose tissue inflammation, cadherin-11-deficient mice were protected from obesity-induced glucose intolerance and adipose tissue fibrosis. Importantly, anti-cadherin-11 mAb blockade similarly improved inflammation and glycemic control in obese WT mice. These results suggest that stromal fibroblasts expressing cadherin-11 regulate adipose tissue inflammation and thus highlight cadherin-11 as a potential therapeutic target for the management of obesity.
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Affiliation(s)
- Sook Kyung Chang
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Ayano C Kohlgruber
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Fumitaka Mizoguchi
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Xavier Michelet
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Benjamin J Wolf
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Kevin Wei
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Pui Y Lee
- Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Lydia Lynch
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.,Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Danielle Duquette
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Victòria Ceperuelo-Mallafré
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.,Hospital Universitari de Tarragona Joan XXIII, Institut d'Investigació Sanitària Pere Virgili, Universitat Rovira i Virgili, Tarragona, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III, Madrid, Spain
| | - Alexander S Banks
- Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Michael B Brenner
- Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
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48
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Boulenouar S, Lynch L. Adipose type one innate lymphoid cells regulate macrophage homeostasis through targeted cytotoxicity. The Journal of Immunology 2017. [DOI: 10.4049/jimmunol.198.supp.221.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Abstract
Adipose tissue has a dynamic immune system that adapts to changes in diet and maintains homeostatic tissue remodeling. Recently, adipose type 1 innate lymphoid cells (AT1-ILCs) were reported to promote proinflammatory M1 macrophages in obesity. However, their role at steady state remains unknown. Here we reveal heterogeneous populations of AT1-ILCs in humans and mice. Using parabiotic mice fed HFD, we found that AT1- ILCs had differential trafficking and proliferation features. AT1-ILCs displayed fluctuations in response to short and long term HFD and could revert to regular levels upon diet restriction. Unexpectedly, all AT1-ILCs were able to kill macrophages at steady state, especially tissue repair-associated M2 macrophages. T1-ILCs-depleted and perforin-deficient mice had increased M2:M1 ratios. Diet-induced obesity impaired AT1-ILCs killing ability. Adoptive transfer of AT-1ILCs from lean to obese mice reduced total macrophages but increased M1:M2 ratio. Collectively, we show that AT1-ILCs are essential for regulating macrophage homeostasis through targeted cytotoxicity.
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49
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Weber LeBrun E, Lynch L, Peterson HV, Pena S, Ruder K, Vasilopoulos T. 4: Pelvic reconstruction & incontinence surgery ± mesh (PRISM): Design and early experience with a real-world registry. Am J Obstet Gynecol 2017. [DOI: 10.1016/j.ajog.2016.12.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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50
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Hamilton F, Lynch L, Quinn J, Langley R, Smith C, Templeton K. Investigation of the role of gastroenteritis causing viruses in the asymptomatic neonatal digestive tract. J Clin Virol 2016. [DOI: 10.1016/j.jcv.2016.08.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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