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Salem D, Chelvanambi M, Storkus WJ, Fecek RJ. Cutaneous Melanoma: Mutational Status and Potential Links to Tertiary Lymphoid Structure Formation. Front Immunol 2021; 12:629519. [PMID: 33746966 PMCID: PMC7970117 DOI: 10.3389/fimmu.2021.629519] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 02/11/2021] [Indexed: 12/21/2022] Open
Abstract
Recent advances in immunotherapy have enabled rapid evolution of novel interventional approaches designed to reinvigorate and expand patient immune responses against cancer. An emerging approach in cancer immunology involves the conditional induction of tertiary lymphoid structures (TLS), which are non-encapsulated ectopic lymphoid structures forming at sites of chronic, pathologic inflammation. Cutaneous melanoma (CM), a highly-immunogenic form of solid cancer, continues to rise in both incidence and mortality rate, with recent reports supporting a positive correlation between the presence of TLS in melanoma and beneficial treatment outcomes amongst advanced-stage patients. In this context, TLS in CM are postulated to serve as dynamic centers for the initiation of robust anti-tumor responses within affected regions of active disease. Given their potential importance to patient outcome, significant effort has been recently devoted to gaining a better understanding of TLS neogenesis and the influence these lymphoid organs exert within the tumor microenvironment. Here, we briefly review TLS structure, function, and response to treatment in the setting of CM. To uncover potential tumor-intrinsic mechanisms that regulate TLS formation, we have taken the novel perspective of evaluating TLS induction in melanomas impacted by common driver mutations in BRAF, PTEN, NRAS, KIT, PRDM1, and MITF. Through analysis of The Cancer Genome Atlas (TCGA), we show expression of DNA repair proteins (DRPs) including BRCA1, PAXIP, ERCC1, ERCC2, ERCC3, MSH2, and PMS2 to be negatively correlated with expression of pro-TLS genes, suggesting DRP loss may favor TLS development in support of improved patient outcome and patient response to interventional immunotherapy.
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Affiliation(s)
- Deepak Salem
- Department of Microbiology, Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, United States
| | - Manoj Chelvanambi
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Walter J Storkus
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Department of Bioengineering, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Ronald J Fecek
- Department of Microbiology, Lake Erie College of Osteopathic Medicine at Seton Hill, Greensburg, PA, United States
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2
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Lymph Node Stromal Cells: Mapmakers of T Cell Immunity. Int J Mol Sci 2020; 21:ijms21207785. [PMID: 33096748 PMCID: PMC7588999 DOI: 10.3390/ijms21207785] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/15/2020] [Accepted: 10/18/2020] [Indexed: 12/15/2022] Open
Abstract
Stromal cells (SCs) are strategically positioned in both lymphoid and nonlymphoid organs to provide a scaffold and orchestrate immunity by modulating immune cell maturation, migration and activation. Recent characterizations of SCs have expanded our understanding of their heterogeneity and suggested a functional specialization of distinct SC subsets, further modulated by the microenvironment. Lymph node SCs (LNSCs) have been shown to be particularly important in maintaining immune homeostasis and T cell tolerance. Under inflammation situations, such as viral infections or tumor development, SCs undergo profound changes in their numbers and phenotype and play important roles in contributing to either the activation or the control of T cell immunity. In this review, we highlight the role of SCs located in LNs in shaping peripheral T cell responses in different immune contexts, such as autoimmunity, viral and cancer immunity.
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3
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Mangolini M, Ringshausen I. Bone Marrow Stromal Cells Drive Key Hallmarks of B Cell Malignancies. Int J Mol Sci 2020; 21:E1466. [PMID: 32098106 PMCID: PMC7073037 DOI: 10.3390/ijms21041466] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 02/06/2020] [Accepted: 02/13/2020] [Indexed: 12/11/2022] Open
Abstract
All B cell leukaemias and a substantial fraction of lymphomas display a natural niche residency in the bone marrow. While the bone marrow compartment may only be one of several sites of disease manifestations, the strong clinical significance of minimal residual disease (MRD) in the bone marrow strongly suggests that privileged niches exist in this anatomical site favouring central elements of malignant transformation. Here, the co-existence of two hierarchical systems, originating from haematopoietic and mesenchymal stem cells, has extensively been characterised with regard to regulation of the former (blood production) by the latter. How these two systems cooperate under pathological conditions is far less understood and is the focus of many current investigations. More recent single-cell sequencing techniques have now identified an unappreciated cellular heterogeneity of the bone marrow microenvironment. How each of these cell subtypes interact with each other and regulate normal and malignant haematopoiesis remains to be investigated. Here we review the evidences of how bone marrow stroma cells and malignant B cells reciprocally interact. Evidently from published data, these cell-cell interactions induce profound changes in signalling, gene expression and metabolic adaptations. While the past research has largely focussed on understanding changes imposed by stroma- on tumour cells, it is now clear that tumour-cell contact also has fundamental ramifications for the biology of stroma cells. Their careful characterisations are not only interesting from a scientific biological viewpoint but also relevant to clinical practice: Since tumour cells heavily depend on stroma cells for cell survival, proliferation and dissemination, interference with bone marrow stroma-tumour interactions bear therapeutic potential. The molecular characterisation of tumour-stroma interactions can identify new vulnerabilities, which could be therapeutically exploited.
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Affiliation(s)
- Maurizio Mangolini
- Wellcome Trust/MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AH, UK;
| | - Ingo Ringshausen
- Wellcome Trust/MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge CB2 0AH, UK;
- Department of Haematology, Addenbrooke’s Hospital, Cambridge University hospital, Cambridge CB2 0AH, UK
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4
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Short C, Lim HK, Tan J, O'Neill HC. Targeting the Spleen as an Alternative Site for Hematopoiesis. Bioessays 2019; 41:e1800234. [PMID: 30970171 DOI: 10.1002/bies.201800234] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/25/2019] [Indexed: 12/21/2022]
Abstract
Bone marrow is the main site for hematopoiesis in adults. It acts as a niche for hematopoietic stem cells (HSCs) and contains non-hematopoietic cells that contribute to stem cell dormancy, quiescence, self-renewal, and differentiation. HSC also exist in resting spleen of several species, although their contribution to hematopoiesis under steady-state conditions is unknown. The spleen can however undergo extramedullary hematopoiesis (EMH) triggered by physiological stress or disease. With the loss of bone marrow niches in aging and disease, the spleen as an alternative tissue site for hematopoiesis is an important consideration for future therapy, particularly during HSC transplantation. In terms of harnessing the spleen as a site for hematopoiesis, here the remarkable regenerative capacity of the spleen is considered with a view to forming additional or ectopic spleen tissue through cell engraftment. Studies in mice indicate the potential for such grafts to support the influx of hematopoietic cells leading to the development of normal spleen architecture. An important goal will be the formation of functional ectopic spleen tissue as an aid to hematopoietic recovery following clinical treatments that impact bone marrow. For example, expansion or replacement of niches could be considered where myeloablation ahead of HSC transplantation compromises treatment outcomes.
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Affiliation(s)
- Christie Short
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4229, Australia
| | - Hong K Lim
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4229, Australia
| | - Jonathan Tan
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4229, Australia
| | - Helen C O'Neill
- Clem Jones Centre for Regenerative Medicine, Bond University, Gold Coast, QLD, 4229, Australia
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5
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Stephens M, Liao S, von der Weid PY. Mesenteric Lymphatic Alterations Observed During DSS Induced Intestinal Inflammation Are Driven in a TLR4-PAMP/DAMP Discriminative Manner. Front Immunol 2019; 10:557. [PMID: 30972059 PMCID: PMC6443629 DOI: 10.3389/fimmu.2019.00557] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 03/01/2019] [Indexed: 12/11/2022] Open
Abstract
Background: Inflammatory bowel disease (IBD) is characterized by both acute and chronic phase inflammation of the gastro-intestinal (GI) tract that affect a large and growing number of people worldwide with little to no effective treatments. This is in part due to the lack of understanding of the disease pathogenesis and also the currently poorly described involvement of other systems such as the lymphatics. During DSS induced colitis, mice also develop a severe inflammation of terminal ileum with many features similar to IBD. As well as inflammation within the ileum we have previously demonstrated lymphatic remodeling within the mesentery and mesenteric lymph nodes of DSS-treated mice. The lymphatic remodeling includes lymphangiogenesis, lymphatic vessel dilation and leakiness, as well as cellular infiltration into the surrounding tissue and peripheral draining lymph nodes. Methods: Intestinal inflammation was induced in C57BL/6 mice by administration of 2.5% DSS in drinking water for 7 days. Mice were treated with TLR4 blocker C34 or Polymyxin-B (PMXB) daily from days 3 to 7 of DSS treatment via I.P. injection, and their therapeutic effects on disease activity and lymphatic function were examined. TLR activity and subsequent effect on lymphangiogenesis, lymphadenopathy, and mesenteric lymph node cellular composition were assessed. Results: DSS Mice treated with TLR4 inhibitor, C34, had a significantly improved disease phenotype characterized by reduced ileal and colonic insult. The change correlated with significant reduction in colonic and mesenteric inflammation, resolved mesenteric lymphangiectasia, and CD103+ DC migration similar to that of healthy control. PMXB treatment however did not resolve inflammation within the colon or associated mesenteric lymphatic dysfunction but did however prevent lymphadenopathy within the MLN through alteration of CCL21 gradients and CD103+ DC migration. Conclusions: TLR4 appears to mediate several changes within the mesenteric lymphatics, more specifically it is shown to have different outcomes whether stimulation occurs through pathogen derived factors such as LPS or tissue derived DAMPs, a novel phenomenon.
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Affiliation(s)
- Matthew Stephens
- Department of Physiology and Pharmacology, Inflammation Research Network, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada
| | - Shan Liao
- Department of Microbiology, Immunology and Infectious Diseases, Inflammation Research Network, Cumming School of Medicine, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada
| | - Pierre-Yves von der Weid
- Department of Physiology and Pharmacology, Inflammation Research Network, Snyder Institute for Chronic Diseases, University of Calgary, Calgary, AB, Canada
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6
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Seillet C, Arvell EH, Lacey D, Stutz MD, Pellegrini M, Whitehead L, Rimes J, Hawkins ED, Roediger B, Belz GT, Bouillet P. Constitutive overexpression of TNF in BPSM1 mice causes iBALT and bone marrow nodular lymphocytic hyperplasia. Immunol Cell Biol 2019; 97:29-38. [PMID: 30107066 PMCID: PMC6378607 DOI: 10.1111/imcb.12197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 08/09/2018] [Accepted: 08/10/2018] [Indexed: 02/04/2023]
Abstract
BPSM1 (Bone phenotype spontaneous mutant 1) mice develop severe polyarthritis and heart valve disease as a result of a spontaneous mutation in the Tnf gene. In these mice, the insertion of a retrotransposon in the 3' untranslated region of Tnf causes a large increase in the expression of the cytokine. We have found that these mice also develop inducible bronchus-associated lymphoid tissue (iBALT), as well as nodular lymphoid hyperplasia (NLH) in the bone marrow. Loss of TNFR1 prevents the development of both types of follicles, but deficiency of TNFR1 in the hematopoietic compartment only prevents the iBALT and not the NLH phenotype. We show that the development of arthritis and heart valve disease does not depend on the presence of the tertiary lymphoid tissues. Interestingly, while loss of IL-17 or IL-23 limits iBALT and NLH development to some extent, it has no effect on polyarthritis or heart valve disease in BPSM1 mice.
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Affiliation(s)
- Cyril Seillet
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Elysa H Arvell
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia
| | - Derek Lacey
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Michael D Stutz
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Marc Pellegrini
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Lachlan Whitehead
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Joel Rimes
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Edwin D Hawkins
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Ben Roediger
- The Centenary InstituteCamperdownNSW2050Australia
| | - Gabrielle T Belz
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
| | - Philippe Bouillet
- The Walter and Eliza Hall Institute of Medical ResearchParkvilleVIC3052Australia,Department of Medical BiologyThe University of MelbourneMelbourneVIC3010Australia
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7
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Dorraji SE, Hovd AMK, Kanapathippillai P, Bakland G, Eilertsen GØ, Figenschau SL, Fenton KA. Mesenchymal stem cells and T cells in the formation of Tertiary Lymphoid Structures in Lupus Nephritis. Sci Rep 2018; 8:7861. [PMID: 29777158 PMCID: PMC5959845 DOI: 10.1038/s41598-018-26265-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/09/2018] [Indexed: 12/13/2022] Open
Abstract
Tertiary lymphoid structures (TLS) develop in the kidneys of lupus-prone mice and systemic lupus erythematosus (SLE) patients with lupus nephritis (LN). Here we investigated the presence of mesenchymal stem cells (MSCs) in the development of TLS in murine LN, as well as the role of human MSCs as lymphoid tissue organizer (LTo) cells on the activation of CD4+ T cells from three groups of donors including Healthy, SLE and LN patients. Mesenchymal stem like cells were detected within the pelvic wall and TLS in kidneys of lupus-prone mice. An increase in LTβ, CXCL13, CCL19, VCAM1 and ICAM1 gene expressions were detected during the development of murine LN. Human MSCs stimulated with the pro-inflammatory cytokines TNF-α and IL-1β significantly increased the expression of CCL19, VCAM1, ICAM1, TNF-α, and IL-1β. Stimulated MSCs induced proliferation of CD4+ T cells, but an inhibitory effect was observed when in co-culture with non-stimulated MSCs. A contact dependent increase in Th2 and Th17 subsets were observed for T cells from the Healthy group after co-culture with stimulated MSCs. Our data suggest that tissue-specific or/and migratory MSCs could have pivotal roles as LTo cells in accelerating early inflammatory processes and initiating the formation of kidney specific TLS in chronic inflammatory conditions.
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Affiliation(s)
- S Esmaeil Dorraji
- RNA and Molecular Pathology Research Group, Institute of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Aud-Malin K Hovd
- RNA and Molecular Pathology Research Group, Institute of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Premasany Kanapathippillai
- RNA and Molecular Pathology Research Group, Institute of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Gunnstein Bakland
- University Hospital of Northern Norway, Tromsø, Norway.,Molecular Inflammatory Research Group, Institute of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Gro Østli Eilertsen
- University Hospital of Northern Norway, Tromsø, Norway.,Molecular Inflammatory Research Group, Institute of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Stine L Figenschau
- RNA and Molecular Pathology Research Group, Institute of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Kristin A Fenton
- RNA and Molecular Pathology Research Group, Institute of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.
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8
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A retinoic acid-dependent stroma-leukemia crosstalk promotes chronic lymphocytic leukemia progression. Nat Commun 2018; 9:1787. [PMID: 29725010 PMCID: PMC5934403 DOI: 10.1038/s41467-018-04150-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 03/14/2018] [Indexed: 12/19/2022] Open
Abstract
In chronic lymphocytic leukemia (CLL), the non-hematopoietic stromal microenvironment plays a critical role in promoting tumor cell recruitment, activation, survival, and expansion. However, the nature of the stromal cells and molecular pathways involved remain largely unknown. Here, we demonstrate that leukemic B lymphocytes induce the activation of retinoid acid synthesis and signaling in the microenvironment. Inhibition of RA-signaling in stromal cells causes deregulation of genes associated with adhesion, tissue organization and chemokine secretion including the B-cell chemokine CXCL13. Notably, reducing retinoic acid precursors from the diet or inhibiting RA-signaling through retinoid-antagonist therapy prolong survival by preventing dissemination of leukemia cells into lymphoid tissues. Furthermore, mouse and human leukemia cells could be distinguished from normal B-cells by their increased expression of Rarγ2 and RXRα, respectively. These findings establish a role for retinoids in murine CLL pathogenesis, and provide new therapeutic strategies to target the microenvironment and to control disease progression. The stromal microenvironment plays a key role in the expansion of chronic lymphocytic leukemia. Here, the authors use the Eµ-TCL1 mouse model to show that leukemic B-cells induce the activation of retinoic acid synthesis in stromal cells of the lymphoid microenvironment, and that impacting on retinoic acid signalling via diet or chemical inhibition prolonged survival by preventing leukemia dissemination and accumulation in lymphoid tissues.
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