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Enriquez J, McDaniel Mims B, Stroever S, dos Santos AP, Jones-Hall Y, Furr KL, Grisham MB. Influence of Housing Temperature and Genetic Diversity on Allogeneic T Cell-Induced Tissue Damage in Mice. PATHOPHYSIOLOGY 2023; 30:522-547. [PMID: 37987308 PMCID: PMC10661280 DOI: 10.3390/pathophysiology30040039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/12/2023] [Accepted: 11/18/2023] [Indexed: 11/22/2023] Open
Abstract
The objective of this study was to determine how housing temperature and genetic diversity affect the onset and severity of allogeneic T cell-induced tissue damage in mice subjected to reduced intensity conditioning (RIC). We found that adoptive transfer of allogeneic CD4+ T cells from inbred donors into sub-lethally irradiated inbred recipients (I→I) housed at standard housing temperatures (ST; 22-24 °C) induced extensive BM and spleen damage in the absence of injury to any other tissue. Although engraftment of T cells in RIC-treated mice housed at their thermo-neutral temperature (TNT; 30-32 °C) also developed similar BM and spleen damage, their survival was markedly and significantly increased when compared to their ST counterparts. In contrast, the adoptive transfer of allogeneic T cells into RIC-treated outbred CD1 recipients failed to induce disease in any tissue at ST or TNT. The lack of tissue damage was not due to defects in donor T cell trafficking to BM or spleen but was associated with the presence of large numbers of B cells and myeloid cells within these tissues that are known to contain immunosuppressive regulatory B cells and myeloid-derived suppressor cells. These data demonstrate, for the first time, that housing temperature affects the survival of RIC-treated I→I mice and that RIC-conditioned outbred mice are resistant to allogeneic T cell-induced BM and spleen damage.
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Affiliation(s)
- Josue Enriquez
- Department of Microbiology and Immunology, University of Gothenburg, 40530 Gothenburg, Sweden
| | - Brianyell McDaniel Mims
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Stephanie Stroever
- Department of Medical Education, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Andrea Pires dos Santos
- Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA
| | - Yava Jones-Hall
- Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Kathryn L. Furr
- Department of Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Matthew B. Grisham
- Department of Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
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2
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Larson JH, Jin S, Loschi M, Bolivar Wagers S, Thangavelu G, Zaiken MC, McDonald-Hyman C, Saha A, Aguilar EG, Koehn B, Osborn MJ, Panoskaltsis-Mortari A, Macdonald KPA, Hill GR, Murphy WJ, Serody JS, Maillard I, Kean LS, Kim SV, Littman DR, Blazar BR. Enforced gut homing of murine regulatory T cells reduces early graft-versus-host disease severity. Am J Transplant 2023; 23:1102-1115. [PMID: 36878433 PMCID: PMC10475494 DOI: 10.1016/j.ajt.2023.01.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 01/31/2023] [Indexed: 03/07/2023]
Abstract
Damage to the gastrointestinal tract following allogeneic hematopoietic stem cell transplantation is a significant contributor to the severity and perpetuation of graft-versus-host disease. In preclinical models and clinical trials, we showed that infusing high numbers of regulatory T cells reduces graft-versus-host disease incidence. Despite no change in in vitro suppressive function, transfer of ex vivo expanded regulatory T cells transduced to overexpress G protein-coupled receptor 15 or C-C motif chemokine receptor 9, specific homing receptors for colon or small intestine, respectively, lessened graft-versus-host disease severity in mice. Increased regulatory T cell frequency and retention within the gastrointestinal tissues of mice that received gut homing T cells correlated with lower inflammation and gut damage early post-transplant, decreased graft-versus-host disease severity, and prolonged survival compared with those receiving control transduced regulatory T cells. These data provide evidence that enforced targeting of ex vivo expanded regulatory T cells to the gastrointestinal tract diminishes gut injury and is associated with decreased graft-versus-host disease severity.
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Affiliation(s)
- Jemma H Larson
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Sujeong Jin
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Michael Loschi
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Sara Bolivar Wagers
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Govindarajan Thangavelu
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Michael C Zaiken
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Cameron McDonald-Hyman
- Division of Hematology/Oncology/Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - Asim Saha
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Ethan G Aguilar
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Brent Koehn
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Mark J Osborn
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Angela Panoskaltsis-Mortari
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA
| | - Kelli P A Macdonald
- Infection and Inflammation Program, QIMR Berghofer Medical Research Institute, Immunology Department, Brisbane, Queensland, Australia
| | - Geoffrey R Hill
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA; Division of Medical Oncology, University of Washington, Seattle, Washington, USA
| | - William J Murphy
- Department of Dermatology, University of California Davis School of Medicine, Sacramento, California, USA; Division of Hematology and Oncology, Department of Internal Medicine, University of California Davis School of Medicine, Sacramento, California, USA
| | - Jonathan S Serody
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; Computational Medicine Program, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Ivan Maillard
- Division of Hematology-Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Leslie S Kean
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Sangwon V Kim
- Department of Microbiology and Immunology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Dan R Littman
- Molecular Pathogenesis Program, The Kimmel Center for Biology and Medicine of the Skirball Institute, New York University School of Medicine, New York, USA; Howard Hughes Medical Institute, New York University School of Medicine, New York, USA
| | - Bruce R Blazar
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota, USA.
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3
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Dander E, Vinci P, Vetrano S, Recordati C, Piazza R, Fazio G, Bardelli D, Bugatti M, Sozio F, Piontini A, Bonanomi S, Bertola L, Tassistro E, Valsecchi MG, Calza S, Vermi W, Biondi A, Del Prete A, Sozzani S, D'Amico G. The chemerin/CMKLR1 axis regulates intestinal graft-versus-host disease. JCI Insight 2023; 8:154440. [PMID: 36883565 PMCID: PMC10077469 DOI: 10.1172/jci.insight.154440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 01/23/2023] [Indexed: 03/09/2023] Open
Abstract
Gastrointestinal graft-versus-host disease (GvHD) is a major cause of mortality and morbidity following allogeneic bone marrow transplantation (allo-BMT). Chemerin is a chemotactic protein that recruits leukocytes to inflamed tissues by interacting with ChemR23/CMKLR1, a chemotactic receptor expressed by leukocytes, including macrophages. During acute GvHD, chemerin plasma levels were strongly increased in allo-BM-transplanted mice. The role of the chemerin/CMKLR1 axis in GvHD was investigated using Cmklr1-KO mice. WT mice transplanted with an allogeneic graft from Cmklr1-KO donors (t-KO) had worse survival and more severe GvHD. Histological analysis demonstrated that the gastrointestinal tract was the organ mostly affected by GvHD in t-KO mice. The severe colitis of t-KO mice was characterized by massive neutrophil infiltration and tissue damage associated with bacterial translocation and exacerbated inflammation. Similarly, Cmklr1-KO recipient mice showed increased intestinal pathology in both allogeneic transplant and dextran sulfate sodium-induced colitis. Notably, the adoptive transfer of WT monocytes into t-KO mice mitigated GvHD manifestations by decreasing gut inflammation and T cell activation. In patients, higher chemerin serum levels were predictive of GvHD development. Overall, these results suggest that CMKLR1/chemerin may be a protective pathway for the control of intestinal inflammation and tissue damage in GvHD.
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Affiliation(s)
- Erica Dander
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Paola Vinci
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Stefania Vetrano
- Laboratory of Gastrointestinal Immunopathology, Humanitas Clinical and Research Center, Rozzano, Italy.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Camilla Recordati
- Department of Veterinary Medicine, University of Milan, Lodi, Italy.,Mouse and Animal Pathology Laboratory, Fondazione Unimi, Milan, Italy
| | - Rocco Piazza
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,Hematology Division and Bone Marrow Unit, San Gerardo Hospital, Monza, Italy
| | - Grazia Fazio
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Donatella Bardelli
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Mattia Bugatti
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Francesca Sozio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
| | - Andrea Piontini
- Laboratory of Gastrointestinal Immunopathology, Humanitas Clinical and Research Center, Rozzano, Italy.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Sonia Bonanomi
- Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Luca Bertola
- Department of Veterinary Medicine, University of Milan, Lodi, Italy.,Mouse and Animal Pathology Laboratory, Fondazione Unimi, Milan, Italy
| | - Elena Tassistro
- Bicocca Center of Bioinformatics, Biostatistics and Bioimaging (B4 center), School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Maria Grazia Valsecchi
- Bicocca Center of Bioinformatics, Biostatistics and Bioimaging (B4 center), School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Stefano Calza
- Biostatistics, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Andrea Biondi
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy.,Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy.,School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Annalisa Del Prete
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy.,Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
| | - Silvano Sozzani
- Department of Molecular Medicine, Sapienza University of Rome, Laboratory affiliated to Istituto Pasteur Italia - Fondazione Cenci Bolognetti, Rome, Italy.,IRCCS Neuromed, Pozzilli, Italy
| | - Giovanna D'Amico
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
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4
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Insights into mechanisms of graft-versus-host disease through humanised mouse models. Biosci Rep 2022; 42:231673. [PMID: 35993192 PMCID: PMC9446388 DOI: 10.1042/bsr20211986] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 11/17/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a major complication that occurs following allogeneic haematopoietic stem cell transplantation (HSCT) for the treatment of haematological cancers and other blood-related disorders. GVHD is an inflammatory disorder, where the transplanted donor immune cells can mediate an immune response against the recipient and attack host tissues. Despite over 60 years of research, broad-range immune suppression is still used to prevent or treat GVHD, leading to an increased risk of cancer relapse and infection. Therefore, further insights into the disease mechanisms and development of predictive and prognostic biomarkers are key to improving outcomes and reducing GVHD development following allogeneic HSCT. An important preclinical tool to examine the pathophysiology of GVHD and to understand the key mechanisms that lead to GVHD development are preclinical humanised mouse models. Such models of GVHD are now well-established and can provide valuable insights into disease development. This review will focus on models where human peripheral blood mononuclear cells are injected into immune-deficient non-obese diabetic (NOD)-scid-interleukin-2(IL-2)Rγ mutant (NOD-scid-IL2Rγnull) mice. Humanised mouse models of GVHD can mimic the clinical setting for GVHD development, with disease progression and tissues impacted like that observed in humans. This review will highlight key findings from preclinical humanised mouse models regarding the role of donor human immune cells, the function of cytokines and cell signalling molecules and their impact on specific target tissues and GVHD development. Further, specific therapeutic strategies tested in these preclinical models reveal key molecular pathways important in reducing the burden of GVHD following allogeneic HSCT.
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5
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Mehta RS, Saliba RM, Hayase E, Jenq RR, Abraham S, Rashid A, Rondon G, Al-Atrash G, Bashir Q, Hosing CM, Kebriaei P, Khouri I, Marin D, Nieto Y, Olson A, Oran B, Popat UR, Qazilbash MH, Ramdial J, Srour S, Champlin RE, Rezvani K, Shpall EJ, Alousi AM. Mycophenolate Mofetil: A Friend or a Foe with PTCy and Tacrolimus Prophylaxis in HLA-Matched donors? Transplant Cell Ther 2022; 28:500.e1-500.e10. [PMID: 35662592 DOI: 10.1016/j.jtct.2022.05.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/02/2022] [Accepted: 05/25/2022] [Indexed: 10/18/2022]
Abstract
Adapted from the haploidentical literature, post-transplantation cyclophosphamide (PTCy) is increasingly being used with HLA-matched donors, generally with a calcineurin inhibitor, such as tacrolimus (Tac) with or without mycophenolate mofetil (MMF). Owing to its immunosuppressive, potentially antitumor, and antimicrobial properties, MMF is an attractive drug; however, it remains unclear how much benefit is gained when used with PTCy/Tac. To assess that, we compared PTCy/Tac (n=242) to PTCy/Tac/MMF (n= 144) in recipients of HLA-matched donors. In multivariate analysis, the PTCy/Tac/MMF group had a significantly higher risk of grade II-IV acute graft-versus-host disease (GVHD; hazard ratio (HR) 2.1, 95% confidence interval (CI) 1.6-2.8, p<0.001), and steroid-refractory/dependent acute GVHD (HR 4.8, 95% CI 2.4-9.6, p<0.001), yet a significantly lower risk of relapse (HR 0.5, 95% CI, 0.3-0.9, p=0.009) and better progression-free survival (PFS; HR 0.7, 95% CI 0.5-0.9, p=0.04). There was no difference in the risk of grade III-IV acute GVHD, chronic GVHD, non-relapse mortality, or overall survival. MMF was associated with prolonged neutrophil engraftment by 2 days, and a higher risk of bacterial infections. In an exploratory stool microbiome analysis (n=16), we noted a higher relative abundance of β-glucuronidase-producing bacteria in the MMF group, which may have a role in the pathogenesis of MMF-related GVHD. Our data suggest that the addition of MMF to PTCy/Tac for HLA-matched donor HCT does not provide any advantage for GVHD prevention. Further studies are needed to decipher this mechanism, and understand its role with PTCy-based prophylaxis.
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Affiliation(s)
- Rohtesh S Mehta
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Rima M Saliba
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Eiko Hayase
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Robert R Jenq
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Susan Abraham
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Asif Rashid
- Department of Anatomical Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Gabriela Rondon
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Gheath Al-Atrash
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Qaiser Bashir
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Chitra M Hosing
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Partow Kebriaei
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Issa Khouri
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - David Marin
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Yago Nieto
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Amanda Olson
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Betul Oran
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Uday R Popat
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Muzaffar H Qazilbash
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jeremy Ramdial
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Samer Srour
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Richard E Champlin
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Katayoun Rezvani
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Elizabeth J Shpall
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Amin M Alousi
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX
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6
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Jeljeli M, Chêne C, Chouzenoux S, Thomas M, Segain B, Doridot L, Nicco C, Batteux F. LPS low-Macrophages Alleviate the Outcome of Graft- Versus-Host Disease Without Aggravating Lymphoma Growth in Mice. Front Immunol 2021; 12:670776. [PMID: 34413847 PMCID: PMC8369416 DOI: 10.3389/fimmu.2021.670776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 07/07/2021] [Indexed: 02/06/2023] Open
Abstract
Despite significant therapeutic advances, graft-versus-host disease (GvHD) remains the main life-threatening complication following allogeneic hematopoietic stem cell transplantation. The pathogenesis of GvHD is dominated by a dysregulated allogeneic immune response that drives fibrosis and autoimmunity in chronic forms. A multitude of cell therapy approaches, including infusion of myeloid cells, has been proposed to prevent GvHD through tolerance induction but yielded variable results. Myeloid cells like macrophages can be reprogrammed to develop adaptive-like features following antigenic challenge to reinforce or inhibit a subsequent immune response; a phenomenon termed ‘trained immunity’. Here we report that, whereas LPSlow-trained macrophages elicit a suppressor effect on allogeneic T cell proliferation and function in vitro in an IL-10-dependent manner, Bacille Calmette et Guérin (BCG)-trained macrophages exert an opposite effect. In a murine model of sclerodermatous chronic GvHD, LPSlow-trained macrophages attenuate clinical signs of GvHD with significant effects on T cell phenotype and function, autoantibodies production, and tissue fibrosis. Furthermore, infusion of LPSlow-macrophages significantly improves survival in mice with acute GvHD. Importantly, we also provide evidence that LPSlow-macrophages do not accelerate A20-lymphoma tumor growth, which is significantly reduced upon transfer of BCG-macrophages. Collectively, these data indicate that macrophages can be trained to significantly inhibit in vitro and in vivo allo-reactive T cell proliferation without exhibiting pro-tumoral effect, thereby opening the way to promising clinical applications.
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Affiliation(s)
- Mohamed Jeljeli
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France.,Université de Paris, Faculté de Médecine, AP-HP-Centre Université de Paris, Hôpital Cochin, Service d'immunologie biologique, Paris, France
| | - Charlotte Chêne
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Sandrine Chouzenoux
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Marine Thomas
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Benjamin Segain
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Ludivine Doridot
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Carole Nicco
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France
| | - Frédéric Batteux
- Département 3I «Infection, Immunité et Inflammation», Institut Cochin, INSERM U1016, Université de Paris, Paris, France.,Université de Paris, Faculté de Médecine, AP-HP-Centre Université de Paris, Hôpital Cochin, Service d'immunologie biologique, Paris, France
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7
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Molina MS, Hoffman EA, Stokes J, Kummet N, Smith KA, Baker F, Zúñiga TM, Simpson RJ, Katsanis E. Regulatory Dendritic Cells Induced by Bendamustine Are Associated With Enhanced Flt3 Expression and Alloreactive T-Cell Death. Front Immunol 2021; 12:699128. [PMID: 34249005 PMCID: PMC8264365 DOI: 10.3389/fimmu.2021.699128] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/14/2021] [Indexed: 12/30/2022] Open
Abstract
The growth factor Flt3 ligand (Flt3L) is central to dendritic cell (DC) homeostasis and development, controlling survival and expansion by binding to Flt3 receptor tyrosine kinase on the surface of DCs. In the context of hematopoietic cell transplantation, Flt3L has been found to suppress graft-versus-host disease (GvHD), specifically via host DCs. We previously reported that the pre-transplant conditioning regimen consisting of bendamustine (BEN) and total body irradiation (TBI) results in significantly reduced GvHD compared to cyclophosphamide (CY)+TBI. Pre-transplant BEN+TBI conditioning was also associated with greater Flt3 expression among host DCs and an accumulation of pre-cDC1s. Here, we demonstrate that exposure to BEN increases Flt3 expression on both murine bone marrow-derived DCs (BMDCs) and human monocyte-derived DCs (moDCs). BEN favors development of murine plasmacytoid DCs, pre-cDC1s, and cDC2s. While humans do not have an identifiable equivalent to murine pre-cDC1s, exposure to BEN resulted in decreased plasmacytoid DCs and increased cDC2s. BEN exposure and heightened Flt3 signaling are associated with a distinct regulatory phenotype, with increased PD-L1 expression and decreased ICOS-L expression. BMDCs exposed to BEN exhibit diminished pro-inflammatory cytokine response to LPS and induce robust proliferation of alloreactive T-cells. These proliferative alloreactive T-cells expressed greater levels of PD-1 and underwent increased programmed cell death as the concentration of BEN exposure increased. Alloreactive CD4+ T-cell death may be attributable to pre-cDC1s and provides a potential mechanism by which BEN+TBI conditioning limits GvHD and yields T-cells tolerant to host antigen.
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Affiliation(s)
- Megan S Molina
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States.,Department of Immunobiology, University of Arizona, Tucson, AZ, United States
| | - Emely A Hoffman
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States
| | - Jessica Stokes
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States
| | - Nicole Kummet
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States.,Department of Molecular & Cellular Biology, University of Arizona, Tucson, AZ, United States
| | - Kyle A Smith
- Department of Physiology, University of Arizona, Tucson, AZ, United States.,Department of Nutritional Sciences, University of Arizona, Tucson, AZ, United States
| | - Forrest Baker
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States.,Department of Nutritional Sciences, University of Arizona, Tucson, AZ, United States
| | - Tiffany M Zúñiga
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ, United States
| | - Richard J Simpson
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States.,Department of Immunobiology, University of Arizona, Tucson, AZ, United States.,Department of Nutritional Sciences, University of Arizona, Tucson, AZ, United States.,The University of Arizona Cancer Center, Tucson, AZ, United States
| | - Emmanuel Katsanis
- Department of Pediatrics, University of Arizona, Tucson, AZ, United States.,Department of Immunobiology, University of Arizona, Tucson, AZ, United States.,The University of Arizona Cancer Center, Tucson, AZ, United States.,Department of Medicine, University of Arizona, Tucson, AZ, United States.,Department of Pathology, University of Arizona, Tucson, AZ, United States
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8
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Mammadli M, Huang W, Harris R, Xiong H, Weeks S, May A, Gentile T, Henty-Ridilla J, Waickman AT, August A, Bah A, Karimi M. Targeting SLP76:ITK interaction separates GVHD from GVL in allo-HSCT. iScience 2021; 24:102286. [PMID: 33851101 PMCID: PMC8024657 DOI: 10.1016/j.isci.2021.102286] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/27/2020] [Accepted: 03/04/2021] [Indexed: 12/14/2022] Open
Abstract
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a curative therapy for hematological malignancies, due to graft-versus-leukemia (GVL) activity mediated by alloreactive donor T cells. However, graft-versus-host disease (GVHD) is also mediated by these cells. Here, we assessed the effect of attenuating TCR-mediated SLP76:ITK interaction in GVL vs. GVHD effects after allo-HSCT. CD8+ and CD4+ donor T cells from mice expressing a Y145F mutation in SLP-76 did not cause GVHD but preserved GVL effects against B-ALL cells. SLP76Y145FKI CD8+ and CD4+ donor T cells also showed less inflammatory cytokine production and migration to GVHD target organs. We developed a novel peptide to specifically inhibit SLP76:ITK interactions, resulting in decreased phosphorylation of PLCγ1 and ERK, decreased cytokine production in human T cells, and separation of GVHD from GVL effects. Altogether, our data suggest that inhibiting SLP76:ITK interaction could be a therapeutic strategy to separate GVHD from GVL effects after allo-HSCT treatment.
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Affiliation(s)
- Mahinbanu Mammadli
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
| | - Weishan Huang
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Rebecca Harris
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
| | - Hui Xiong
- Department of Radiology, Jiangxi Health Vocational College, Nanchang, 330052, China
| | - Samuel Weeks
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
| | - Adriana May
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
| | - Teresa Gentile
- Division of Hematology, translational research, SUNY Upstate Medical University, Syracuse NY 13210, USA
| | - Jessica Henty-Ridilla
- Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Adam T. Waickman
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
| | - Avery August
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - Alaji Bah
- Department of Biochemistry and Molecular Biology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Mobin Karimi
- Department of Microbiology and Immunology, SUNY Upstate Medical University, 766 Irving Avenue, Weiskotten Hall Suite 2281, Syracuse, NY 13210, USA
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9
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Ryan MM, Patel M, Hogan K, Lipat AJ, Scandolara R, Das R, Bruker C, Galipeau J, Chinnadurai R. Ruxolitinib Inhibits IFNγ Licensing of Human Bone Marrow Derived Mesenchymal Stromal Cells. Transplant Cell Ther 2021; 27:389.e1-389.e10. [PMID: 33965175 DOI: 10.1016/j.jtct.2021.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 02/01/2021] [Accepted: 02/01/2021] [Indexed: 11/28/2022]
Abstract
Ruxolitinib is a JAK2/JAK1 inhibitor that blocks the inflammatory JAK-STAT signaling pathway. Ruxolitinib has been demonstrated to be effective in the treatment of steroid-resistant acute graft-versus-host disease (GVHD). Ruxolitinib's effect on inflammatory cells of hematopoietic origin is known. However, its effect on nonhematopoietic cell types with immune-modulating and antigen-presenting cell competency plausibly involved in pathogenesis of GVHD has not been explored. Mesenchymal stromal cells (MSCs) are CD45- nonhematopoietic cells of the bone marrow with immune modulatory functions in vivo. MSCs' immunobiology largely depends on their responsiveness to IFNγ. We aimed to define the effect of ruxolitinib on the immunobiology of MSCs that are modulated by IFNγ. Human bone marrow derived MSCs, peripheral blood mononuclear cells (PBMCs), and primary bone marrow aspirates were analyzed for their sensitivity to ruxolitinib-mediated blocking of IFNγ-induced STAT-1 phosphorylation and downstream effector molecules, utilizing Western blot, flow cytometry, secretome analysis, and phosflow techniques. IFNγ-induced cytostatic effects on MSCs are reversed by ruxolitinib. Ruxolitinib inhibits IFNγ and secretome of activated peripheral PBMC-induced STAT-1 phosphorylation on human bone marrow derived MSCs. In addition, ruxolitinib inhibits IFNγ-induced pro-GVHD pathways on MSCs, which includes HLAABC(MHCI), HLADR(MHCII), CX3CL1, and CCL2. IFNγ-induced immunosuppressive molecules IDO and PDL-1 were also inhibited by ruxolitinib on MSCs. Comparative analysis with PBMCs has demonstrated that MSCs are as equal as to HLADR+ PBMC populations in responding to ruxolitinib-mediated inhibition of IFNγ-induced STAT-1 phosphorylation. Ex vivo analysis of human marrow aspirates has demonstrated that ruxolitinib blocks IFNγ-induced STAT-1 phosphorylation in CD45+/-HLADR+/- populations at different levels, which is depending on their sensitivity to IFNγ responsiveness. These results inform the hypothesis that ruxolitinib's immune-modulatory effects in vivo may pharmacologically involve marrow and tissue-resident MSCs. Ruxolitinib affects the immunobiology of MSCs equivalent to professional HLADR+ antigen presenting cells, which collectively mitigate GVHD.
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Affiliation(s)
- Molly Mercedes Ryan
- Department of Medicine, University of Wisconsin Carbone Comprehensive Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Mihir Patel
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, Georgia
| | - Keenan Hogan
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, Georgia
| | - Ariel Joy Lipat
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, Georgia
| | - Rafaela Scandolara
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, Georgia
| | - Rahul Das
- Department of Medicine, University of Wisconsin Carbone Comprehensive Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Charles Bruker
- Department of Pathology, Memorial Health University Medical Center, Savannah, Georgia
| | - Jacques Galipeau
- Department of Medicine, University of Wisconsin Carbone Comprehensive Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin
| | - Raghavan Chinnadurai
- Department of Biomedical Sciences, Mercer University School of Medicine, Savannah, Georgia.
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10
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Giaccone L, Faraci DG, Butera S, Lia G, Di Vito C, Gabrielli G, Cerrano M, Mariotti J, Dellacasa C, Felicetti F, Brignardello E, Mavilio D, Bruno B. Biomarkers for acute and chronic graft versus host disease: state of the art. Expert Rev Hematol 2020; 14:79-96. [PMID: 33297779 DOI: 10.1080/17474086.2021.1860001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Despite significant advances in treatment and prevention, graft-versus-host disease (GVHD) still represents the main cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation. Thus, considerable research efforts have been made to find and validate reliable biomarkers for diagnosis, prognosis, and risk stratification of GVHD. AREAS COVERED In this review the most recent evidences on different types of biomarkers studied for GVHD, such as genetic, plasmatic, cellular markers, and those associated with microbiome, were summarized. A comprehensive search of peer-review literature was performed in PubMed including meta-analysis, preclinical and clinical trials, using the terms: cellular and plasma biomarkers, graft-versus-host disease, cytokines, and allogeneic hematopoietic stem cell transplantation. EXPERT OPINION In the near future, several validated biomarkers will be available to help clinicians in the diagnosis of GVHD, the identification of patients at high risk of GVHD development and in patients' stratification according to its severity. Then, immunosuppressive treatment could be tailored to each patient's real needs. However, more efforts are needed to achieve this goal. Although most of the proposed biomarkers currently lack validation with large-scale clinical data, their study led to improved knowledge of the biological basis of GVHD, and ultimately to implementation of GHVD treatment.
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Affiliation(s)
- Luisa Giaccone
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Danilo Giuseppe Faraci
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Sara Butera
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Giuseppe Lia
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Clara Di Vito
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center , Milan, Italy.,Department of Medical Biotechnologies and Translational Medicine (Biometra), University of Milan , Milan, Italy
| | - Giulia Gabrielli
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Marco Cerrano
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
| | - Jacopo Mariotti
- Bone Marrow Transplant Unit, Humanitas Clinical and Research Center, IRCCS , Rozzano, Italy
| | - Chiara Dellacasa
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy
| | - Francesco Felicetti
- Transition Unit for Childhood Cancer Survivors, A.O.U. Città Della Salute E Della Scienza Di Torino , University of Torino , Torino, Italy
| | - Enrico Brignardello
- Transition Unit for Childhood Cancer Survivors, A.O.U. Città Della Salute E Della Scienza Di Torino , University of Torino , Torino, Italy
| | - Domenico Mavilio
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center , Milan, Italy.,Department of Medical Biotechnologies and Translational Medicine (Biometra), University of Milan , Milan, Italy
| | - Benedetto Bruno
- Department of Oncology/Hematology, Stem Cell Transplant Program, A.O.U. Città Della Salute E Della Scienza Di Torino, Presidio Molinette , Torino, Italy.,Department of Molecular Biotechnology and Health Sciences, University of Torino , Torino, Italy
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11
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Nguyen H, Alawieh A, Bastian D, Kuril S, Dai M, Daenthanasanmak A, Zhang M, Iamsawat S, Schutt SD, Wu Y, Sleiman MM, Shetty A, Atkinson C, Sun S, Varela JC, Tomlinson S, Yu XZ. Targeting the Complement Alternative Pathway Permits Graft Versus Leukemia Activity while Preventing Graft Versus Host Disease. Clin Cancer Res 2020; 26:3481-3490. [PMID: 31919135 PMCID: PMC7334060 DOI: 10.1158/1078-0432.ccr-19-1717] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 10/03/2019] [Accepted: 12/20/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Application of allogeneic hematopoietic cell transplantation (allo-HCT) for patients with hematologic disorders is limited by the development of GVHD. Separation of GVHD and graft-versus-leukemia (GVL) remains a great challenge in the field. We investigated the contribution of individual pathways involved in the complement cascade in GVH and GVL responses to identify specific targets by which to separate these two processes. EXPERIMENTAL DESIGN We used multiple preclinical murine and human-to-mouse xenograft models involving allo-HCT recipients lacking components of the alternative pathway (AP) or classical pathway (CP)/lectin pathway (LP) to dissect the role of each individual pathway in GVHD pathogenesis and the GVL effect. For translational purposes, we used the AP-specific complement inhibitor, CR2-fH, which localizes in injured target organs to allow specific blockade of complement activation at sites of inflammation. RESULTS Complement deposition was evident in intestines of mice and patients with GVHD. In a preclinical setting, ablation of the AP, but not the CP/LP, significantly improved GVHD outcomes. Complement activation through the AP in host hematopoietic cells, and specifically dendritic cells (DC), was required for GVHD progression. AP deficiency in recipients decreased donor T-cell migration and Th1/Th2 differentiation, while increasing the generation of regulatory T cells. This was because of decreased activation and stimulatory activity of recipient DCs in GVHD target organs. Treatment with CR2-fH effectively prevented GVHD while preserving GVL activity. CONCLUSIONS This study highlights the AP as a new therapeutic target to prevent GVHD and tumor relapse after allo-HCT. Targeting the AP by CR2-fH represents a promising therapeutic approach for GVHD treatment.
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Affiliation(s)
- Hung Nguyen
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina.
| | - Ali Alawieh
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
- Medical Scientist Training Program, College of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | - David Bastian
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Sandeepkumar Kuril
- Department of Pediatric, Medical University of South Carolina, Charleston, South Carolina
| | - Min Dai
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Anusara Daenthanasanmak
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Mengmeng Zhang
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Supinya Iamsawat
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Steven D Schutt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Yongxia Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - M Mahdi Sleiman
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Akshay Shetty
- Department of Pathology, Medical University of South Carolina, Charleston, South Carolina
| | - Carl Atkinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
- Department of Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Shaoli Sun
- Department of Pathology, Medical University of South Carolina, Charleston, South Carolina
| | - Juan Carlos Varela
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
| | - Stephen Tomlinson
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina
- Ralph H. Johnson Veterans Affairs Medical Center, Medical University of South Carolina, Charleston, South Carolina
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, South Carolina.
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
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12
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Lim JY, Ryu DB, Kim TW, Lee SE, Park G, Yoon HK, Min CK. CCL1 blockade alleviates human mesenchymal stem cell (hMSC)-induced pulmonary fibrosis in a murine sclerodermatous graft-versus-host disease (Scl-GVHD) model. Stem Cell Res Ther 2020; 11:254. [PMID: 32586381 PMCID: PMC7318460 DOI: 10.1186/s13287-020-01768-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/07/2020] [Accepted: 06/11/2020] [Indexed: 02/08/2023] Open
Abstract
Background Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD, B10.D2 → BALB/c) model that is characterized by skin and lung fibrosis. In this study, bone marrow- or adipose tissue-derived human mesenchymal stem cells (hMSCs) were injected into the Scl-GVHD mice to address their therapeutic effect on CGVHD. Methods Lethally irradiated BALB/c mice were transplanted with B10.D2 T cell-depleted bone marrow with or without spleen cells to generate Scl-GVHD. hMSCs were intravenously treated on days 3, 5, and 7 post-transplantation, and the control antibody or CCL1 blocking antibody was subcutaneously injected according to the same schedule as the hMSCs. Fourteen days after transplantation, the recipient mice were sacrificed, and their skin and lungs were analyzed. Results After the early injection of hMSCs after transplantation, the clinical and pathological severity of Scl-GVHD in the skin was significantly attenuated, whereas the pathological score was exacerbated in the lungs. hMSCs had migrated into the lungs, but not into the skin. CD11b monocyte/macrophages and CD4 T cells were markedly decreased in skin tissues, whereas there was an early recruitment of CD11b cells, and subsequently increased infiltration of CD4 T cells, in the lungs. Importantly, hMSCs persistently upregulated the expression of CCL1 in the lungs, but not in the skin. Concurrent treatment of hMSCs with a CCL1-blocking antibody alleviated the severity of the lung histopathology score and fibrosis with the preservation of the cutaneous protective effect against CGVHD. Infiltration of CD3 T cells and CD68 macrophages and upregulation of chemokines were also decreased in lung tissues, along with the recruitment of eosinophils and tissue IgE expression. In the skin, chemokine expression was further reduced after CCL1 blockade. Conclusions These data demonstrate that despite a protective effect against Scl-GVHD in the skin, administration of hMSCs exacerbated lung fibrosis associated with eosinophilia and airway inflammation through persistent CCL1 upregulation. CCL1 blockade offers a potential treatment of pulmonary complications induced after treatment with hMSCs.
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Affiliation(s)
- Ji-Young Lim
- Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, 06591, South Korea
| | - Da-Bin Ryu
- Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, 06591, South Korea
| | - Tae Woo Kim
- Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, 06591, South Korea
| | - Sung-Eun Lee
- Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, 06591, South Korea
| | - Gyeongsin Park
- Department of Pathology, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Hyoung Kyu Yoon
- Pulmonology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea
| | - Chang-Ki Min
- Hematology, Department of Internal Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, 222 Banpodae-ro, Seocho-gu, Seoul, 06591, South Korea.
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13
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Oyanagi J, Koh Y, Sato K, Mori K, Teraoka S, Akamatsu H, Kanai K, Hayata A, Tokudome N, Akamatsu K, Nakanishi M, Ueda H, Yamamoto N. Predictive value of serum protein levels in patients with advanced non-small cell lung cancer treated with nivolumab. Lung Cancer 2019; 132:107-113. [PMID: 31097082 DOI: 10.1016/j.lungcan.2019.03.020] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Although programmed cell death-ligand-1 (PD-L1) expression in tumor tissue has been established as predictive biomarker for the anti-programmed cell death-1 (PD-1) antibody treatment of non-small-cell lung cancer (NSCLC), additional biomarkers are critically needed. We evaluated serum proteins relevant to immune checkpoint blockade in patients with NSCLC treated with nivolumab to identify novel non-invasive predictive biomarkers. PATIENTS AND METHODS Patients with advanced NSCLC, who had failed at least one prior chemotherapy regimen, received nivolumab monotherapy (3 mg/kg, Q2W) until progressive disease (PD) or unacceptable toxicity was observed. Blood samples were collected at baseline and week 4. Fifty-seven serum protein levels were quantified with a Milliplex MAP assay. The associations of both clinical benefit (CB) and the onset of immune related adverse events (irAEs) with serum proteins levels were evaluated. RESULTS Thirty-eight patients with advanced NSCLC were enrolled in the study, with 38 and 32 paired serum samples at baseline and week 4 being available for efficacy analysis and irAE analysis, respectively. In durable CB (DCB) patients compared with non-DCB patients, the baseline serum levels of BMP-9 were significantly higher, whereas the follistatin, IL-8, IP-10, and TNF-α levels were significantly lower. In irAE patients compared with non-irAE patients the serum levels of G-CSF and RANTES at week 4 were significantly higher, whereas the levels of leptin were significantly lower. A multivariate analysis revealed that follistatin and IP-10 were statistically associated with DCB (p < 0.05) and RANTES was associated with irAE onset (p < 0.05). In a subset of irAE-developed patients, RANTES levels decreased after steroid administration, supporting its involvement in irAE. CONCLUSION Serum proteins have the potential to be predictive markers for DCB and irAEs onset in patients with NSCLC treated with nivolumab. In addition, antitumor activity and irAEs may not be regulated by the same mechanisms.
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Affiliation(s)
- Jun Oyanagi
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Yasuhiro Koh
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan.
| | - Koichi Sato
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Keita Mori
- Clinical Research Support Center, Shizuoka Cancer Center, 1007 Shimonagakubo Nagaizumi-cho, Sunto-Gun, Shizuoka, 411-8777, Japan
| | - Shunsuke Teraoka
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Hiroaki Akamatsu
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Kuninobu Kanai
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Atsushi Hayata
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Nahomi Tokudome
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Keiichiro Akamatsu
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Masanori Nakanishi
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Hiroki Ueda
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
| | - Nobuyuki Yamamoto
- Internal Medicine III, Wakayama Medical University, 811-1, Kimiidera, Wakayama-city, Wakayama, 641-8501, Japan
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14
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Nguyen H, Kuril S, Bastian D, Kim J, Zhang M, Vaena SG, Dany M, Dai M, Heinrichs JL, Daenthanasanmak A, Iamsawat S, Schutt S, Fu J, Wu Y, Fairlie DP, Atkinson C, Ogretmen B, Tomlinson S, Yu XZ. Complement C3a and C5a receptors promote GVHD by suppressing mitophagy in recipient dendritic cells. JCI Insight 2018; 3:121697. [PMID: 30568037 DOI: 10.1172/jci.insight.121697] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 11/14/2018] [Indexed: 12/20/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a major complication of allogeneic hematopoietic cell transplantation (HCT). DCs play critical roles in GVHD induction. Modulating autophagy represents a promising therapeutic strategy for the treatment of immunological diseases. Complement receptors C3aR/C5aR expressed on DCs regulate immune responses by translating extracellular signals into intracellular activity. In the current study, we found that C3aR/C5aR deficiency enhanced ceramide-dependent lethal mitophagy (CDLM) in DCs. Cotransfer of host-type C3aR-/-/C5aR-/- DCs in the recipients significantly improved GVHD outcome after allogeneic HCT, primarily through enhancing CDLM in DCs. C3aR/C5aR deficiency in the host hematopoietic compartment significantly reduced GVHD severity via impairing Th1 differentiation and donor T cell glycolytic activity while enhancing Treg generation. Prophylactic treatment with C3aR/C5aR antagonists effectively alleviated GVHD while maintaining the graft-versus-leukemia (GVL) effect. Altogether, we demonstrate that inhibiting C3aR/C5aR induces lethal mitophagy in DCs, which represents a potential therapeutic approach to control GVHD while preserving the GVL effect.
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Affiliation(s)
- Hung Nguyen
- Department of Microbiology and Immunology and
| | - Sandeepkumar Kuril
- Division of Pediatric Hematology/Oncology, Medical University of South Carolina, Charleston, South Carolina, USA
| | | | - Jisun Kim
- Department of Biochemistry and Molecular Biology and
| | | | | | - Mohammed Dany
- Department of Biochemistry and Molecular Biology and
| | - Min Dai
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jessica Lauren Heinrichs
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | | | | | | | - Jianing Fu
- Columbia Center for Translational Immunology, Columbia University, New York City, New York, USA
| | - Yongxia Wu
- Department of Microbiology and Immunology and
| | - David P Fairlie
- Australian Research Council Centre of Excellence in Advanced Molecular Imaging, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Carl Atkinson
- Department of Microbiology and Immunology and.,Department of Surgery, Transplant Immunobiology Laboratory
| | | | - Stephen Tomlinson
- Department of Microbiology and Immunology and.,Research Service, Ralph H. Johnson Veterans Affairs Medical Center, and
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology and.,Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
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15
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Zitzer NC, Snyder K, Meng X, Taylor PA, Efebera YA, Devine SM, Blazar BR, Garzon R, Ranganathan P. MicroRNA-155 Modulates Acute Graft-versus-Host Disease by Impacting T Cell Expansion, Migration, and Effector Function. THE JOURNAL OF IMMUNOLOGY 2018; 200:4170-4179. [PMID: 29720426 DOI: 10.4049/jimmunol.1701465] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 04/10/2018] [Indexed: 02/01/2023]
Abstract
MicroRNA-155 (miR-155) is a small noncoding RNA critical for the regulation of inflammation as well as innate and adaptive immune responses. MiR-155 has been shown to be dysregulated in both donor and recipient immune cells during acute graft-versus-host disease (aGVHD). We previously reported that miR-155 is upregulated in donor T cells of mice and humans with aGVHD and that mice receiving miR-155-deficient (miR155-/-) splenocytes had markedly reduced aGVHD. However, molecular mechanisms by which miR-155 modulates T cell function in aGVHD have not been fully investigated. We identify that miR-155 expression in both donor CD8+ T cells and conventional CD4+ CD25- T cells is pivotal for aGVHD pathogenesis. Using murine aGVHD transplant experiments, we show that miR-155 strongly impacts alloreactive T cell expansion through multiple distinct mechanisms, modulating proliferation in CD8+ donor T cells and promoting exhaustion in donor CD4+ T cells in both the spleen and colon. Additionally, miR-155 drives a proinflammatory Th1 phenotype in donor T cells in these two sites, and miR-155-/- donor T cells are polarized toward an IL-4-producing Th2 phenotype. We further demonstrate that miR-155 expression in donor T cells regulates CCR5 and CXCR4 chemokine-dependent migration. Notably, we show that miR-155 expression is crucial for donor T cell infiltration into multiple target organs. These findings provide further understanding of the role of miR-155 in modulating aGVHD through T cell expansion, effector cytokine production, and migration.
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Affiliation(s)
- Nina C Zitzer
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210.,Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210
| | - Katiri Snyder
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Xiamoei Meng
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Patricia A Taylor
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455; and.,Division of Blood and Marrow Transplantation, Department of Pediatrics, University of Minnesota, Minneapolis, MN 55454
| | - Yvonne A Efebera
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Steven M Devine
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Bruce R Blazar
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455; and.,Division of Blood and Marrow Transplantation, Department of Pediatrics, University of Minnesota, Minneapolis, MN 55454
| | - Ramiro Garzon
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210
| | - Parvathi Ranganathan
- Division of Hematology, Department of Internal Medicine, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210;
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16
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Kuba A, Raida L. Graft versus Host Disease: From Basic Pathogenic Principles to DNA Damage Response and Cellular Senescence. Mediators Inflamm 2018; 2018:9451950. [PMID: 29785172 PMCID: PMC5896258 DOI: 10.1155/2018/9451950] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 02/12/2018] [Accepted: 02/21/2018] [Indexed: 12/14/2022] Open
Abstract
Graft versus host disease (GVHD), a severe immunogenic complication of allogeneic hematopoietic stem cell transplantation (HSCT), represents the most frequent cause of transplant-related mortality (TRM). Despite a huge progress in HSCT techniques and posttransplant care, GVHD remains a significant obstacle in successful HSCT outcome. This review presents a complex summary of GVHD pathogenesis with focus on references considering basic biological processes such as DNA damage response and cellular senescence.
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Affiliation(s)
- Adam Kuba
- Department of Hemato-Oncology, University Hospital and Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
| | - Ludek Raida
- Department of Hemato-Oncology, University Hospital and Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic
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17
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Miklos D, Cutler CS, Arora M, Waller EK, Jagasia M, Pusic I, Flowers ME, Logan AC, Nakamura R, Blazar BR, Li Y, Chang S, Lal I, Dubovsky J, James DF, Styles L, Jaglowski S. Ibrutinib for chronic graft-versus-host disease after failure of prior therapy. Blood 2017; 130:2243-2250. [PMID: 28924018 PMCID: PMC6033048 DOI: 10.1182/blood-2017-07-793786] [Citation(s) in RCA: 302] [Impact Index Per Article: 43.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 09/06/2017] [Indexed: 12/25/2022] Open
Abstract
Chronic graft-versus-host disease (cGVHD) is a serious complication of allogeneic stem cell transplantation with few effective options available after failure of corticosteroids. B and T cells play a role in the pathophysiology of cGVHD. Ibrutinib inhibits Bruton tyrosine kinase in B cells and interleukin-2-inducible T-cell kinase in T cells. In preclinical models, ibrutinib reduced severity of cGVHD. This multicenter, open-label study evaluated the safety and efficacy of ibrutinib in patients with active cGVHD with inadequate response to corticosteroid-containing therapies. Forty-two patients who had failed 1 to 3 prior treatments received ibrutinib (420 mg) daily until cGVHD progression. The primary efficacy end point was cGVHD response based on 2005 National Institutes of Health criteria. At a median follow-up of 13.9 months, best overall response was 67%; 71% of responders showed a sustained response for ≥20 weeks. Responses were observed across involved organs evaluated. Most patients with multiple cGVHD organ involvement had a multiorgan response. Median corticosteroid dose in responders decreased from 0.29 mg/kg per day at baseline to 0.12 mg/kg per day at week 49; 5 responders discontinued corticosteroids. The most common adverse events were fatigue, diarrhea, muscle spasms, nausea, and bruising. Plasma levels of soluble factors associated with inflammation, fibrosis, and cGVHD significantly decreased over time with ibrutinib. Ibrutinib resulted in clinically meaningful responses with acceptable safety in patients with ≥1 prior treatments for cGVHD. Based on these results, ibrutinib was approved in the United States for treatment of adult patients with cGVHD after failure of 1 or more lines of systemic therapy. This trial was registered at www.clinicaltrials.gov as #NCT02195869.
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Affiliation(s)
- David Miklos
- Stanford University School of Medicine, Stanford, CA
| | | | - Mukta Arora
- Department of Medicine, University of Minnesota, Minneapolis, MN
| | | | | | - Iskra Pusic
- Division of Oncology, Washington University School of Medicine, St. Louis, MO
| | | | - Aaron C Logan
- University of California San Francisco Helen Diller Family Comprehensive Cancer Center, San Francisco, CA
| | | | - Bruce R Blazar
- Department of Medicine, University of Minnesota, Minneapolis, MN
| | - Yunfeng Li
- Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA; and
| | - Stephen Chang
- Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA; and
| | - Indu Lal
- Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA; and
| | - Jason Dubovsky
- Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA; and
| | | | - Lori Styles
- Pharmacyclics LLC, an AbbVie Company, Sunnyvale, CA; and
| | - Samantha Jaglowski
- Division of Hematology, The Ohio State University Cancer Center, Columbus, OH
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18
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Mir E, Palomo M, Rovira M, Pereira A, Escolar G, Penack O, Holler E, Carreras E, Diaz-Ricart M. Endothelial damage is aggravated in acute GvHD and could predict its development. Bone Marrow Transplant 2017. [PMID: 28650450 DOI: 10.1038/bmt.2017.121] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The aim of the present study was to explore whether there is enhanced endothelial dysfunction in patients developing acute GvHD (aGvHD) after allogeneic hematopoietic cell transplantation (allo-HCT) and to identify biomarkers with predictive and/or diagnostic value. In in vitro experiments, endothelial cells (ECs) were exposed to serum from patients with (aGvHD, n=31) and without (NoGvHD, n=13) aGvHD, to evaluate changes in surface adhesion receptors, the reactivity of the extracellular matrix by measuring the presence of Von Willebrand factor (VWF) and platelet adhesion, and the activation of intracellular signaling proteins. Plasma levels of VWF, ADAMTS-13, TNF receptor 1 (TNFR1), soluble vascular cell adhesion molecule 1 and soluble intercellular adhesion molecule 1 were also measured. In vitro results showed a more marked proinflammatory and prothrombotic phenotype in ECs in association with aGvHD. Regarding circulating biomarkers, levels of VWF and TNFR1 above an optimal cutoff score, taken independently or combined, at day 7 after allo-HCT, would be able to positively predict that around 90% of patients will develop aGvHD. Our results demonstrate that endothelial damage is aggravated in those allo-HCT recipients developing aGvHD, and that VWF and TNFR1 are promising predictive aGvHD biomarkers. These findings could contribute to improve the understanding of the pathophysiology of aGvHD.
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Affiliation(s)
- E Mir
- Josep Carreras Research Institute, Hospital Clinic Campus, University of Barcelona, Barcelona, Spain.,Hemotherapy and Hemostasis Department, CDB, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - M Palomo
- Josep Carreras Research Institute, Hospital Clinic Campus, University of Barcelona, Barcelona, Spain.,Hemotherapy and Hemostasis Department, CDB, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - M Rovira
- Stem Cell Transplantation Unit, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - A Pereira
- Hemotherapy and Hemostasis Department, CDB, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - G Escolar
- Hemotherapy and Hemostasis Department, CDB, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - O Penack
- Department of Hematology, Oncology and Tumorimmunology, Charité Campus Virchow, Berlin, Germany
| | - E Holler
- Department of Hematology and Oncology, University Clinic Regensburg, Regensburg, Germany
| | - E Carreras
- Josep Carreras Research Institute, Hospital Clinic Campus, University of Barcelona, Barcelona, Spain
| | - M Diaz-Ricart
- Hemotherapy and Hemostasis Department, CDB, IDIBAPS, Hospital Clinic, University of Barcelona, Barcelona, Spain
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19
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Zhang X, Huang W, Chen X, Lian Y, Wang J, Cai C, Huang L, Wang T, Ren J, Xiang AP. CXCR5-Overexpressing Mesenchymal Stromal Cells Exhibit Enhanced Homing and Can Decrease Contact Hypersensitivity. Mol Ther 2017; 25:1434-1447. [PMID: 28454789 DOI: 10.1016/j.ymthe.2017.04.004] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 04/02/2017] [Accepted: 04/03/2017] [Indexed: 12/31/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) can modulate inflammation and contribute to tissue regeneration and, thus, have emerged as a promising option for cell-based therapy. However, the ability of MSCs to migrate to injured tissues still needs to be improved. In this study, we investigated whether genetically engineered MSCs could exhibit increased migratory properties and improved therapeutic efficacy. Using a mouse model of contact hypersensitivity (CHS), chemokine gene expression screening revealed that CXCL13 changed most significantly in injured tissue. Unfortunately, MSCs hardly express the corresponding receptor, CXCR5. Thus, CXCR5-overexpressing MSCs (MSCCXCR5) were generated that retained their abilities of proliferation, differentiation, and immunomodulation. Furthermore, MSCCXCR5 showed significantly increased migrating ability toward CXCL13. Importantly, systemic infusion of MSCCXCR5 dramatically suppressed CHS in mice, as evidenced by decreased levels of inflammatory cell infiltration and pro-inflammatory cytokine production. Numerous MSCCXCR5 migrated into inflamed ears, localized with T cells, inhibited T cell proliferation, promoted T cell apoptosis, and suppressed the production of T cell-derived pro-inflammatory factors. Collectively, these findings demonstrate that CXCR5 overexpression increases the ability of MSCs to respond to migratory stimuli and highly intensifies their immunomodulatory effects in vivo. This strategy for enhancing targeted stem/progenitor cell homing may improve the efficacy of MSC-based therapies.
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Affiliation(s)
- Xiaoran Zhang
- Biotherapy Center, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510275, China; Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Weijun Huang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiaoyong Chen
- Biotherapy Center, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510275, China; Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yufan Lian
- Department of Medical Ultrasonic, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China
| | - Jiancheng Wang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Chuang Cai
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Li Huang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China
| | - Tao Wang
- Biotherapy Center, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jie Ren
- Department of Medical Ultrasonic, Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510275, China.
| | - Andy Peng Xiang
- Biotherapy Center, Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510275, China; Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou 510275, China; Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510275, China; Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou 511436, China.
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20
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Gam R, Shah P, Crossland RE, Norden J, Dickinson AM, Dressel R. Genetic Association of Hematopoietic Stem Cell Transplantation Outcome beyond Histocompatibility Genes. Front Immunol 2017; 8:380. [PMID: 28421078 PMCID: PMC5377073 DOI: 10.3389/fimmu.2017.00380] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 03/16/2017] [Indexed: 12/18/2022] Open
Abstract
The outcome of hematopoietic stem cell transplantation (HSCT) is controlled by genetic factors among which the leukocyte antigen human leukocyte antigen (HLA) matching is most important. In addition, minor histocompatibility antigens and non-HLA gene polymorphisms in genes controlling immune responses are known to contribute to the risks associated with HSCT. Besides single-nucleotide polymorphisms (SNPs) in protein coding genes, SNPs in regulatory elements such as microRNAs (miRNAs) contribute to these genetic risks. However, genetic risks require for their realization the expression of the respective gene or miRNA. Thus, gene and miRNA expression studies may help to identify genes and SNPs that indeed affect the outcome of HSCT. In this review, we summarize gene expression profiling studies that were performed in recent years in both patients and animal models to identify genes regulated during HSCT. We discuss SNP–mRNA–miRNA regulatory networks and their contribution to the risks associated with HSCT in specific examples, including forkheadbox protein 3 and regulatory T cells, the role of the miR-155 and miR-146a regulatory network for graft-versus-host disease, and the function of MICA and its receptor NKG2D for the outcome of HSCT. These examples demonstrate how SNPs affect expression or function of proteins that modulate the alloimmune response and influence the outcome of HSCT. Specific miRNAs targeting these genes and directly affecting expression of mRNAs are identified. It might be valuable in the future to determine SNPs and to analyze miRNA and mRNA expression in parallel in cohorts of HSCT patients to further elucidate genetic risks of HSCT.
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Affiliation(s)
- Rihab Gam
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Pranali Shah
- Institute of Cellular and Molecular Immunology, University Medical Centre Göttingen, Göttingen, Germany
| | - Rachel E Crossland
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Jean Norden
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Anne M Dickinson
- Hematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Ralf Dressel
- Institute of Cellular and Molecular Immunology, University Medical Centre Göttingen, Göttingen, Germany
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21
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Hu R, Liu Y, Song Y, Su M, Lu X, Rood D, Lai L. Recombinant IL-7/HGFβ hybrid cytokine separates acute graft-versus-host-disease from graft-versus-tumour activity by altering donor T cell trafficking. Br J Haematol 2016; 175:505-516. [PMID: 27447780 DOI: 10.1111/bjh.14268] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 06/07/2016] [Indexed: 11/29/2022]
Abstract
Given that donor T cells from a transplant contribute both the desired graft-versus-tumour (GVT) effect and detrimental graft-versus-host disease (GVHD), strategies to separate GVHD and GVT activity are a major clinical goal. We have previously demonstrated that in vivo administration of a recombinant (r)IL-7/HGFβ hybrid cytokine, consisting of interleukin-7 (IL-7, IL7) and the β-chain of hepatocyte growth factor (HGFβ), significantly inhibits the growth of cancer cells in murine tumour models. The antit-umour effect of rIL-7/HGFβ is related to a marked infiltration T cells in the tumour tissues. We have also shown that GVHD was not induced in rIL-7/HGFβ-treated T cell-depleted allogeneic haematopoietic stem cell transplantation (HSCT) recipients. We show here that, in T cell-replete allogeneic HSCT murine models, rIL-7/HGFβ attenuated acute GVHD (aGVHD), while promoting GVT activity. This was related to an alteration of donor T cell trafficking, with an increased infiltration of donor T cells into tumour tissues and the lympho-haematopoietic system but decreased number of the T cells in the GVHD target organs. Therefore, rIL-7/HGFβ may offer a new tool to alleviate aGVHD while prompting GVT, and to study the molecular regulation of T cell trafficking.
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Affiliation(s)
- Rong Hu
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA.,Guizhou Medical University, Guizhou, China
| | - Yalan Liu
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
| | - Yinhong Song
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
| | - Min Su
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
| | - Xiuling Lu
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
| | - Debra Rood
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
| | - Laijun Lai
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA. .,University of Connecticut Stem Cell Institute, University of Connecticut, Storrs, CT, USA.
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22
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Fu J, Wu Y, Nguyen H, Heinrichs J, Schutt S, Liu Y, Liu C, Jin J, Anasetti C, Yu XZ. T-bet Promotes Acute Graft-versus-Host Disease by Regulating Recipient Hematopoietic Cells in Mice. THE JOURNAL OF IMMUNOLOGY 2016; 196:3168-79. [PMID: 26903480 DOI: 10.4049/jimmunol.1501020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 01/21/2016] [Indexed: 01/16/2023]
Abstract
Beyond its critical role in T cells, T-bet regulates the functions of APCs including dendritic cells and B cells, as well as NK cells. Given that recipient APCs are essential for priming allogeneic T cells and recipient NK or T cells are able to reject allogeneic donor cells, we evaluated the role of T-bet on the host in acute graft-versus-host disease (GVHD) using murine models of allogeneic bone marrow transplantation. T-bet(-/-) recipients developed significantly milder GVHD than their wild type counterparts in MHC-mismatched or CD4-dependent minor histocompatibility Ag-mismatched models. Allogeneic donor T cells, in particular, CD4 subset, significantly reduced IFN-γ production, proliferation and migration, and caused less injury in liver and gut of T-bet(-/-) recipients. We further observed that T-bet on recipient hematopoietic cells was primarily responsible for the donor T cell response and pathogenicity in GVHD. T-bet(-/-) dendritic cells expressed higher levels of Trail, whereas they produced lower levels of IFN-γ and IL-12/23 p40, as well as chemokine CXCL9, resulting in significantly higher levels of apoptosis, less priming, and infiltration of donor T cells. Meanwhile, NK cells in T-bet(-/-) hosts partially contribute to the decreased donor T cell proliferation. Furthermore, although T-bet on hematopoietic cells was required for GVHD development, it was largely dispensable for the graft-versus-leukemia effect. Taken together with our previous findings, we propose that T-bet is a potential therapeutic target for the control of GVHD through regulating donor T cells and recipient hematopoietic cells.
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Affiliation(s)
- Jianing Fu
- Cancer Biology Ph.D. Program, University of South Florida, Tampa, FL 33612; Department of Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Yongxia Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Hung Nguyen
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Jessica Heinrichs
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Steven Schutt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Yuejun Liu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Chen Liu
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Junfei Jin
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Laboratory of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Guilin Medical University, Guilin, 541001 Guangxi, China; and
| | - Claudio Anasetti
- Department of Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Department of Medicine, Medical University of South Carolina, Charleston, SC 29425
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23
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Fu J, Wang D, Yu Y, Heinrichs J, Wu Y, Schutt S, Kaosaard K, Liu C, Haarberg K, Bastian D, McDonald DG, Anasetti C, Yu XZ. T-bet is critical for the development of acute graft-versus-host disease through controlling T cell differentiation and function. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2015; 194:388-97. [PMID: 25404360 PMCID: PMC4314960 DOI: 10.4049/jimmunol.1401618] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
T-bet is a master regulator for IFN-γ production and Th1 differentiation. We evaluated the roles of T-bet and IFN-γ in T cell responses in acute graft-versus-host disease (GVHD) and found that T-bet(-/-) T cells induced significantly less GVHD compared with wild-type or IFN-γ(-/-) counterparts in both MHC-mismatched and MHC-matched but minor histocompatibility Ag-mismatched models driven by CD4 T cells. T-bet(-/-), but not IFN-γ(-/-), CD4 T cells had a markedly reduced ability to cause tissue damage in liver and gut. This distinct outcome is reflected by the differential gene expression on donor CD4 T cells deficient for T-bet or IFN-γ. At mRNA and protein levels, we defined several T-bet-dependent molecules that may account for the impaired ability of T-bet(-/-) T cells to migrate into target organs and to produce Th1-related cytokines. Moreover, these molecules were independent of either endogenous IFN-γ, such as CXCR3 and programmed death-1, or systematic IFN-γ, such as NKG2D, I-A(b), and granzyme B. Although both T-bet(-/-) and IFN-γ(-/-) CD4 T cells are prone to differentiate into Th17 cells, polarized Th17 cells deficient for T-bet but not for IFN-γ had a significantly reduced ability to cause GVHD. Finally, T-bet(-/-) T cells had a compromised graft-versus-leukemia effect, which could be essentially reversed by neutralization of IL-17 in the recipients. We conclude that T-bet is required for Th1 differentiation and migration, as well as for optimal function of Th17 cells. Thus, targeting T-bet or regulating its downstream effectors independent of IFN-γ may be a promising strategy to control GVHD in the clinic.
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Affiliation(s)
- Jianing Fu
- Cancer Biology Ph.D. Program, University of South Florida, Tampa, FL 33612; Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Dapeng Wang
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Yu Yu
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Jessica Heinrichs
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Department of Pathology and Cell Biology, University of South Florida, Tampa, FL 33612
| | - Yongxia Wu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Steven Schutt
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Kane Kaosaard
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Chen Liu
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL 32611
| | - Kelley Haarberg
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - David Bastian
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425
| | - Daniel G McDonald
- Department of Radiation Oncology, Medical University of South Carolina, Charleston, SC 29425; and
| | - Claudio Anasetti
- Immunology, Blood and Marrow Transplantation, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612
| | - Xue-Zhong Yu
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29425; Department of Medicine, Medical University of South Carolina, Charleston, SC 29425
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24
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Diverse T-cell responses characterize the different manifestations of cutaneous graft-versus-host disease. Blood 2013; 123:290-9. [PMID: 24255916 DOI: 10.1182/blood-2013-07-514372] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Graft-versus-host disease (GVHD) is a major complication of allogeneic hematopoietic stem cell transplantation (HCT) and can present in an acute (aGVHD), a chronic lichenoid (clGVHD), and a chronic sclerotic form (csGVHD). It is unclear whether similar or different pathomechanisms lead to these distinct clinical presentations. To address this issue, we collected lesional skin biopsies from aGVHD (n = 25), clGVHD (n = 17), and csGVHD (n = 7) patients as well as serial nonlesional biopsies from HCT recipients (prior to or post-HCT) (n = 14) and subjected them to phenotypic and functional analyses. Our results revealed striking differences between aGVHD and clGVHD. In aGVHD, we found a clear predominance of T helper (Th)2 cytokines/chemokines and, surprisingly, of interleukin (IL)-22 messenger RNA as well as an increase of IL-22-producing CD4(+) T cells. Thymic stromal lymphopoietin, a cytokine skewing the immune response toward a Th2 direction, was elevated at day 20 to 30 post-HCT in the skin of patients who later developed aGVHD. In sharp contrast to aGVHD, the immune response occurring in clGVHD showed a mixed Th1/Th17 signature with upregulated Th1/Th17 cytokine/chemokine transcripts and elevated numbers of interferon-γ- and IL-17-producing CD8(+) T cells. Our findings shed new light on the T-cell responses involved in the different manifestations of cutaneous GVHD and identify molecular signatures indicating the development of the disease.
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Rezende BM, Bernardes PTT, Resende CB, Arantes RME, Souza DG, Braga FC, Castor MGM, Teixeira MM, Pinho V. Lithothamnion muelleri controls inflammatory responses, target organ injury and lethality associated with graft-versus-host disease in mice. Mar Drugs 2013; 11:2595-615. [PMID: 23873335 PMCID: PMC3736440 DOI: 10.3390/md11072595] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 07/01/2013] [Accepted: 07/02/2013] [Indexed: 12/31/2022] Open
Abstract
Lithothamnion muelleri (Hapalidiaceae) is a marine red alga, which is a member of a group of algae with anti-inflammatory, antitumor, and immunomodulatory properties. The present study evaluated the effects of treatment with Lithothamnion muelleri extract (LM) in a model of acute graft-versus-host disease (GVHD), using a model of adoptive splenocyte transfer from C57BL/6 donors into B6D2F1 recipient mice. Mice treated with LM showed reduced clinical signs of disease and mortality when compared with untreated mice. LM-treated mice had reduced tissue injury, less bacterial translocation, and decreased levels of proinflammatory cytokines and chemokines (interferon-γ (IFN-γ), tumor necrosis factor-α (TNF-α), chemokine (C-C motif) ligand 2 (CCL2), chemokine (C-C motif) ligand 3 (CCL3) and chemokine (C-C motif) ligand 5 (CCL5)). The polysaccharide-rich fraction derived from LM could inhibit leukocyte rolling and adhesion in intestinal venules, as assessed by intravital microscopy. LM treatment did not impair the beneficial effects of graft-versus-leukaemia (GVL). Altogether, our studies suggest that treatment with Lithothamnion muelleri has a potential therapeutic application in GVHD treatment.
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Affiliation(s)
- Barbara M. Rezende
- Laboratory of Resolution of Inflammatory Response, Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mails: (B.M.R.); (P.T.T.B.); (C.B.R.); (M.G.M.C.)
| | - Priscila T. T. Bernardes
- Laboratory of Resolution of Inflammatory Response, Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mails: (B.M.R.); (P.T.T.B.); (C.B.R.); (M.G.M.C.)
| | - Carolina B. Resende
- Laboratory of Resolution of Inflammatory Response, Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mails: (B.M.R.); (P.T.T.B.); (C.B.R.); (M.G.M.C.)
| | - Rosa M. E. Arantes
- Laboratory of Experimental Neuro-Immunopathology, Department of Pathology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mail:
| | - Danielle G. Souza
- Host-Microbes Interaction Laboratory, Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mail:
| | - Fernão C. Braga
- Department of Pharmaceutical Products, Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mail:
| | - Marina G. M. Castor
- Laboratory of Resolution of Inflammatory Response, Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mails: (B.M.R.); (P.T.T.B.); (C.B.R.); (M.G.M.C.)
| | - Mauro M. Teixeira
- Immunopharmacology, Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mail:
| | - Vanessa Pinho
- Laboratory of Resolution of Inflammatory Response, Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Brazil; E-Mails: (B.M.R.); (P.T.T.B.); (C.B.R.); (M.G.M.C.)
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