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Lamas B, Nachat‐Kappes R, Goncalves‐Mendes N, Mishellany F, Rossary A, Vasson M, Farges M. Dietary fat without body weight gain increases in vivo MCF‐7 human breast cancer cell growth and decreases natural killer cell cytotoxicity. Mol Carcinog 2013; 54:58-71. [DOI: 10.1002/mc.22074] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 06/22/2013] [Accepted: 07/02/2013] [Indexed: 12/15/2022]
Affiliation(s)
- Bruno Lamas
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
| | - Rachida Nachat‐Kappes
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
| | - Nicolas Goncalves‐Mendes
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
| | - Florence Mishellany
- EA 4677 ERTICa, Service d'Anatomopathologie, Centre de Lutte Contre le Cancer Jean PerrinClermont‐FerrandFrance
| | - Adrien Rossary
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
| | - Marie‐Paule Vasson
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
- Centre de Lutte Contre le Cancer Jean PerrinUnité de NutritionClermont‐FerrandFrance
- CHU Clermont‐Ferrand, Unité de NutritionClermont‐FerrandFrance
| | - Marie‐Chantal Farges
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Equipe ECREIN, CLARA, CRNH AuvergneINRA, UMR 1019Clermont‐FerrandFrance
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2
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Köchling J, Rott Y, Arndt S, Marschke C, Schmidt M, Wittig B, Kalies K, Westermann J, Henze G. Prevention and synergistic control of Ph+ ALL by a DNA vaccine and 6-mercaptopurine. Vaccine 2012; 30:5949-55. [DOI: 10.1016/j.vaccine.2012.07.037] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Revised: 07/03/2012] [Accepted: 07/18/2012] [Indexed: 02/05/2023]
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Abstract
Recent advances in immunotherapy of cancer may represent a successful example in translational research, in which progress in knowledge and technology in immunology has led to new strategies of immunotherapy, and even past failures in many clinical trials have led to a better understanding of basic cancer immunobiology. This article reviews the latest concepts in antitumor immunology and its application in the treatment of cancer, with particular focus on acute leukemia.
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Affiliation(s)
- Wing Leung
- Division of Bone Marrow Transplantation and Cellular Therapy, Department of Oncology, St. Jude Children's Research Hospital, and Department of Pediatrics, University of Tennessee Health Science Center, Memphis, TN 38105, USA.
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4
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Yu J, Tian R, Xiu B, Yan J, Jia R, Zhang L, Chang AE, Song H, Li Q. Antitumor activity of T cells generated from lymph nodes draining the SEA-expressing murine B16 melanoma and secondarily activated with dendritic cells. Int J Biol Sci 2009; 5:135-46. [PMID: 19173035 PMCID: PMC2631223 DOI: 10.7150/ijbs.5.135] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2009] [Accepted: 01/19/2009] [Indexed: 01/21/2023] Open
Abstract
The successful use of tumor-draining lymph nodes (TDLN) as a source of effector cells for cancer immunotherapy depends largely on the immunogenicity of the tumor drained by the lymph nodes as well as the methods for secondary in vitro T cell activation and expansion. We transferred the bacterial superantigen staphylococcal enterotoxin A (SEA) gene into B16 murine melanoma tumor cells, and used them to induce TDLN (SEA TDLN) in syngeneic hosts. Wild-type (wt) TDLN induced by parental B16 tumor was used as a control. In vitro, SEA TDLN cells proliferated more vigorously, produced more IFNγ and demonstrated higher CTL activity than wt TDLN cells when activated with anti-CD3/anti-CD28/IL-2. In vivo, SEA TDLN cells mediated tumor eradication more effectively than similarly activated wt TDLN cells (p<0.01). Furthermore, use of dendritic cells (DC) plus tumor antigen in vitro in addition to anti-CD3/anti-CD28/IL-2 stimulation further amplified the immune function and therapeutic efficacy of SEA TDLN cells. DC-stimulated SEA TDLN cells eliminated nearly 90% of the pulmonary metastasis in mice bearing established B16 melanoma micrometastases. These results indicate that enforced expression of superantigen SEA in poorly immunogenic tumor cells can enhance their immunogenicity as a vaccine in vivo. The combined use of genetically modified tumor cells as vaccine to induce TDLN followed by secondary stimulation using antigen-presenting cells and tumor antigen in a sequential immunization/activation procedure may represent a unique method to generate more potent effector T cells for adoptive immunotherapy of cancer.
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Affiliation(s)
- Jiyun Yu
- Institute of Basic Medical Sciences, Academy of Military Medical Sciences, Beijing, China
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5
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Rakhmilevich AL, Buhtoiarov IN, Malkovsky M, Sondel PM. CD40 ligation in vivo can induce T cell independent antitumor effects even against immunogenic tumors. Cancer Immunol Immunother 2008; 57:1151-60. [PMID: 18214476 PMCID: PMC11031017 DOI: 10.1007/s00262-007-0447-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2007] [Accepted: 12/20/2007] [Indexed: 11/25/2022]
Abstract
Antitumor effects of CD40 ligation appear to involve distinct antitumor effector cells in different experimental models. In this study, we tested whether T cells were required for antitumor effects of agonistic anti-CD40 mAb (alphaCD40) against immunogenic versus poorly immunogenic tumors. Treatment of mice bearing poorly immunogenic B16 melanoma and its more immunogenic variant, B16-hsp72.1, with alphaCD40 resulted in a similar level of tumor growth suppression. Depletion of T cells did not reduce the antitumor effects in these 2 tumor models. To generate antitumor T cell responses, C57BL/6 mice were immunized with irradiated B16-hsp72.1. Treatment of these vaccinated mice challenged with a high dose of B16-hsp72.1 tumor cells with alphaCD40 induced tumor growth suppression, which was reduced by T-cell depletion, demonstrating that T cells were involved in the antitumor effect of alphaCD40. However, immunized mice depleted of T cells and treated with alphaCD40 were still able to suppress tumor growth as compared to tumor growth in immunized, T cell-depleted mice not treated with alphaCD40, suggesting that T cells were not required for the antitumor effect of alphaCD40. To confirm a lack of correlation between tumor immunogenicity and T-cell requirement in antitumor effects of CD40 ligation, we found that alphaCD40 induced tumor growth suppression in nude and SCID/beige mice bearing highly immunogenic tumors such as Meth A sarcoma, suggesting that macrophages may play a role. Indeed, both poorly immunogenic and highly immunogenic tumors were sensitive to in vitro growth inhibition by macrophages from alphaCD40-treated mice. Taken together, our results indicate that antitumor effects induced by alphaCD40, even against immunogenic tumors, can be observed in the absence of T cells and may involve macrophages.
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MESH Headings
- Animals
- Antibodies, Monoclonal/immunology
- Antibodies, Monoclonal/pharmacology
- Antibodies, Monoclonal/therapeutic use
- CD40 Antigens/immunology
- Cancer Vaccines/immunology
- Cancer Vaccines/pharmacology
- Cancer Vaccines/therapeutic use
- Carcinoma, Renal Cell/immunology
- Carcinoma, Renal Cell/therapy
- Cell Line, Tumor
- Cell Proliferation/drug effects
- Disease Models, Animal
- Female
- Immunotherapy
- Kidney Neoplasms/immunology
- Kidney Neoplasms/therapy
- Leukemia L5178/immunology
- Leukemia L5178/therapy
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Inbred DBA
- Mice, Nude
- Mice, SCID
- Neoplasm Transplantation/immunology
- T-Lymphocytes/immunology
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Affiliation(s)
- Alexander L Rakhmilevich
- The Department of Human Oncology, University of Wisconsin, K4/413 Clinical Science Center, 600 Highland Avenue, Madison, WI 53792, USA.
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6
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Hegazy AN, Klein C. Ex vivo priming of CD4 T cells converts immunological tolerance into effective antitumor immunity in a murine model of acute lymphoblastic leukemia. Leukemia 2008; 22:2070-9. [PMID: 18633431 DOI: 10.1038/leu.2008.193] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Tumor escape mechanisms in leukemia are not well defined. To dissect immunological mechanisms responsible for immune tolerance toward leukemia, we established a murine model system allowing clonotypic analysis of leukemia-specific CD4 T cells recognizing ovalbumin (OVA). Upon i.v. injection of genetically engineered leukemia cells, dendritic cells (DCs) engulfed, processed and presented OVA to OVA-specific CD4 T cells. Consequently, leukemia-specific T cells were primed in vivo as shown by expression of activation markers and proliferative responses. However, in spite of detectable CD4 T cell responses in vitro and in vivo, no effective anti-leukemia immunity was established. In contrast, adoptively transferred DO11.10 T cells that were primed ex vivo mediated effective antitumor immunity. Furthermore, ex vivo primed DO11.10 T cells showed high expression of Th1 cytokines (interferon-gamma, tumor necrosis factor-alpha and interleukin-2) whereas in vivo primed OVA-specific CD4 T cells showed incomplete differentiation (proliferation without cytokine production). We conclude that activated T cells lacking effector function develop through incomplete differentiation in leukemia-bearing mice. Thus, priming conditions of leukemia-specific CD4 T cells critically determines the balance between immunity or tolerance toward leukemia.
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Affiliation(s)
- A N Hegazy
- Department of Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany
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8
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Chen JC, Chen Y, Wu JM, Su YH, Tai KF, Tseng SH. Effects of irradiated tumor vaccine and infusion of granulocyte-macrophage colony-stimulating factor and interleukin-12 on established gliomas in rats. Cancer Immunol Immunother 2006; 55:873-83. [PMID: 16133106 PMCID: PMC11031042 DOI: 10.1007/s00262-005-0077-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2005] [Accepted: 08/08/2005] [Indexed: 10/25/2022]
Abstract
PURPOSE We investigated granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin-12 (IL-12) infused into the injection site of irradiated tumor vaccine (TV) as therapy for gliomas. METHODS Rats with subcutaneous RT-2 gliomas were treated with irradiated TV and/or subcutaneous infusion of GM-CSF and/or IL-12 via osmotic minipump 5 days after tumor-cell inoculation. Cytotoxic T lymphocyte (CTL) and natural killer (NK) cell activity were analyzed to investigate immune responses. Rats with intracerebral gliomas were treated with irradiated TV and infused GM-CSF/IL-12 3 days after tumor-cell inoculation. Tumor growth rates and animal survival were followed. Survivors were re-challenged with wild-type RT-2 cells subcutaneously or intracerebrally to study long-term anti-tumor immunity. RESULTS Rats with subcutaneous gliomas treated with GM-CSF and IL-12 or TV plus GM-CSF or IL-12 did not have increased survival rate (P>0.2), but did have prolonged survival time (P<0.05); in contrast, rats treated with TV plus GM-CSF/IL-12 had increased survival rate (P<0.05) and prolonged survival time (P<0.05) compared with controls. These treatment strategies showed enhanced CTL and NK cell activities. Rats with intra-cerebral gliomas treated with TV plus GM-CSF/IL-12 did not have increased survival rate (P=0.11), but did have prolonged survival time (P<0.0001). Survivors in each group were re-challenged with wild-type RT-2 cells, and all had long-term survival. CONCLUSIONS Irradiated TV plus continuous localized infusion of GM-CSF/IL-12 may induce a tumor-specific anti-tumor immune response on established subcutaneous or intra-cerebral gliomas, and such a treatment strategy deserves consideration as adjuvant treatment for glioma.
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Affiliation(s)
- Jin-Cherng Chen
- Department of Surgery, Buddhist Tzu Chi Dalin General Hospital, 2, Ming Shen Road, Dalin, Chia-Yi, Taiwan
| | - Yun Chen
- Department of Surgery, Far Eastern Memorial Hospital, Taipei, Taiwan
| | - Jiann-Ming Wu
- Department of Surgery, Far Eastern Memorial Hospital, Taipei, Taiwan
| | - Yen-Hao Su
- Department of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, 7, Chung-Shan S. Rd, Taipei 100, Taiwan
| | - Kuo-Feng Tai
- Department of Nursing, Tzu Chi College of Technology, Hualien, Taiwan
| | - Sheng-Hong Tseng
- Department of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, 7, Chung-Shan S. Rd, Taipei 100, Taiwan
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9
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Li Q, Grover AC, Donald EJ, Carr A, Yu J, Whitfield J, Nelson M, Takeshita N, Chang AE. Simultaneous targeting of CD3 on T cells and CD40 on B or dendritic cells augments the antitumor reactivity of tumor-primed lymph node cells. THE JOURNAL OF IMMUNOLOGY 2005; 175:1424-32. [PMID: 16034078 DOI: 10.4049/jimmunol.175.3.1424] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
To date, molecular targets chosen for Ab activation to generate antitumor effector cells have been confined on T cells, such as TCR/CD3, CD28, CD137 (4-1BB), CD134 (OX40), and inducible costimulator. In this report we investigated the immune function of murine tumor-draining lymph node (TDLN) cells after simultaneous Ab targeting of CD3 on T cells and CD40 on APCs. Anti-CD3 plus anti-CD40-activated TDLN cells secreted significantly higher amounts of IFN-gamma, but less IL-10, compared with anti-CD3-activated cells. In adoptive immunotherapy, ligation of CD3 and CD40 resulted in the generation of more potent effector cells in mediating tumor regression. Freshly harvested TDLN cells were composed of approximately 60% CD3+ T cells, 30-35% CD19+ B cells, 5% CD11c+ dendritic cells (DC), and few CD14+ or NK cells (each <3%). CD40 was distributed predominantly on B cells and DCs. Cell depletion indicated that simultaneous targeting was toward CD3 on T cells and CD40 on APCs, respectively. Elimination of APCs completely abrogated the augmented antitumor responses induced by anti-CD40. Either B cell or DC removal partially, but significantly, reduced the therapeutic efficacy conferred by CD40 engagement. Furthermore, the immunomodulation function of anti-CD40 was associated with its capability to increase IL-12 secretion while inhibiting IL-4 production. Our study establishes a role for CD40 expressed on B cells or DCs in the costimulation of TDLN cells. Eliciting antitumor activity via simultaneous targeting of CD3 on T cells and CD40 on APCs is relevant for the design of effective T cell-based cancer immunotherapy.
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Affiliation(s)
- Qiao Li
- Department of Surgery, University of Michigan Medical Center, Ann Arbor, MI 48109-0666, USA.
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10
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Gruber TA, Skelton DC, Kohn DB. Recombinant murine interleukin-12 elicits potent antileukemic immune responses in a murine model of philadelphia chromosome-positive acute lymphoblastic leukemia. Cancer Gene Ther 2005; 12:818-24. [PMID: 15877085 DOI: 10.1038/sj.cgt.7700839] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Despite the success of chemotherapy regimens in the treatment of acute lymphoblastic leukemia (ALL), certain subsets of patients have a high rate of induction failure and subsequent relapse. One of these subsets of patients carry a translocation between chromosomes 9 and 22, the so called Philadelphia chromosome (Ph+). The result of this translocation is the fusion oncogene, Bcr-Abl, which is uniquely expressed in the leukemia clone, and as such has the potential to initiate antileukemic immune responses against the leukemia blasts. We utilized a murine model of Ph+ ALL to look at the ability of systemic interleukin 12 (IL-12) treatments to initiate antileukemic immune responses, and studied the mechanisms by which it does so. We found that IL-12 was able to eliminate pre-established leukemia, and that this protection was mediated by CD4, CD8, and NK cells in combination. While IL-12 was able to eliminate pre-established leukemia, it did not elicit immunologic memory. Consistent with previous work, vaccination with irradiated leukemia cells transduced with immunomodulator genes was able to establish long-term memory, and, when used with IL-12, was able to eradicate pre-existing disease and induce resistance to subsequent leukemia challenge. These studies demonstrate the feasibility of an immunotherapeutic approach towards the treatment of Ph+ ALL.
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Affiliation(s)
- Tanja A Gruber
- Division of Research Immunology/Bone Marrow Transplantation, Childrens Hospital Los Angeles 90027, USA
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11
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Stoiber D, Kovacic B, Schuster C, Schellack C, Karaghiosoff M, Kreibich R, Weisz E, Artwohl M, Kleine OC, Muller M, Baumgartner-Parzer S, Ghysdael J, Freissmuth M, Sexl V. TYK2 is a key regulator of the surveillance of B lymphoid tumors. J Clin Invest 2005. [PMID: 15578097 DOI: 10.1172/jci200422315] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Aberrant activation of the JAK-STAT pathway has been implicated in tumor formation; for example, constitutive activation of JAK2 kinase or the enforced expression of STAT5 induces leukemia in mice. We show here that the Janus kinase TYK2 serves an opposite function. Mice deficient in TYK2 developed Abelson-induced B lymphoid leukemia/lymphoma as well as TEL-JAK2-induced T lymphoid leukemia with a higher incidence and shortened latency compared with WT controls. The cell-autonomous properties of Abelson murine leukemia virus-transformed (A-MuLV-transformed) TYK2(-/-) cells were unaltered, but the high susceptibility of TYK2(-/-) mice resulted from an impaired tumor surveillance, and accordingly, TYK2(-/-) A-MuLV-induced lymphomas were easily rejected after transplantation into WT hosts. The increased rate of leukemia/lymphoma formation was linked to a decreased in vitro cytotoxic capacity of TYK2(-/-) NK and NKT cells toward tumor-derived cells. RAG2/TYK2 double-knockout mice succumbed to A-MuLV-induced leukemia/lymphoma faster than RAG2(-/-)TYK2(+/-) mice. This defines NK cells as key players in tumor surveillance in Abelson-induced malignancies. Our observations provide compelling evidence that TYK2 is an important regulator of lymphoid tumor surveillance.
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Affiliation(s)
- Dagmar Stoiber
- Department of Pharmacology, Medical University of Vienna, Vienna, Austria
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12
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Stoiber D, Kovacic B, Schuster C, Schellack C, Karaghiosoff M, Kreibich R, Weisz E, Artwohl M, Kleine OC, Muller M, Baumgartner-Parzer S, Ghysdael J, Freissmuth M, Sexl V. TYK2 is a key regulator of the surveillance of B lymphoid tumors. J Clin Invest 2005; 114:1650-8. [PMID: 15578097 PMCID: PMC529282 DOI: 10.1172/jci22315] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2004] [Accepted: 10/04/2004] [Indexed: 01/04/2023] Open
Abstract
Aberrant activation of the JAK-STAT pathway has been implicated in tumor formation; for example, constitutive activation of JAK2 kinase or the enforced expression of STAT5 induces leukemia in mice. We show here that the Janus kinase TYK2 serves an opposite function. Mice deficient in TYK2 developed Abelson-induced B lymphoid leukemia/lymphoma as well as TEL-JAK2-induced T lymphoid leukemia with a higher incidence and shortened latency compared with WT controls. The cell-autonomous properties of Abelson murine leukemia virus-transformed (A-MuLV-transformed) TYK2(-/-) cells were unaltered, but the high susceptibility of TYK2(-/-) mice resulted from an impaired tumor surveillance, and accordingly, TYK2(-/-) A-MuLV-induced lymphomas were easily rejected after transplantation into WT hosts. The increased rate of leukemia/lymphoma formation was linked to a decreased in vitro cytotoxic capacity of TYK2(-/-) NK and NKT cells toward tumor-derived cells. RAG2/TYK2 double-knockout mice succumbed to A-MuLV-induced leukemia/lymphoma faster than RAG2(-/-)TYK2(+/-) mice. This defines NK cells as key players in tumor surveillance in Abelson-induced malignancies. Our observations provide compelling evidence that TYK2 is an important regulator of lymphoid tumor surveillance.
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MESH Headings
- Abelson murine leukemia virus/genetics
- Abelson murine leukemia virus/metabolism
- Animals
- Animals, Newborn
- Cell Transformation, Neoplastic
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- Humans
- Leukemia, B-Cell/immunology
- Leukemia, B-Cell/pathology
- Leukemia, Experimental/immunology
- Leukemia, Experimental/pathology
- Leukemia, T-Cell/immunology
- Leukemia, T-Cell/pathology
- Liver/cytology
- Liver/pathology
- Mice
- Mice, Knockout
- Mice, Nude
- Neoplasm Transplantation
- Nuclear Proteins
- Protein-Tyrosine Kinases/genetics
- Protein-Tyrosine Kinases/metabolism
- Spleen/cytology
- Spleen/pathology
- Survival Rate
- TYK2 Kinase
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Affiliation(s)
- Dagmar Stoiber
- Department of Pharmacology, Medical University of Vienna, Vienna, Austria
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13
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Smyth MJ, Cretney E, Kelly JM, Westwood JA, Street SEA, Yagita H, Takeda K, van Dommelen SLH, Degli-Esposti MA, Hayakawa Y. Activation of NK cell cytotoxicity. Mol Immunol 2005; 42:501-10. [PMID: 15607806 DOI: 10.1016/j.molimm.2004.07.034] [Citation(s) in RCA: 439] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Natural killer (NK) cells are innate effector lymphocytes necessary for defence against stressed, microbe-infected, or malignant cells. NK cells kill target cells by either of two major mechanisms that require direct contact between NK cells and target cells. In the first pathway, cytoplasmic granule toxins, predominantly a membrane-disrupting protein known as perforin, and a family of structurally related serine proteases (granzymes) with various substrate specificities, are secreted by exocytosis and together induce apoptosis of the target cell. The granule-exocytosis pathway potently activates cell-death mechanisms that operate through the activation of apoptotic cysteine proteases (caspases), but can also cause cell death in the absence of activated caspases. The second pathway involves the engagement of death receptors (e.g. Fas/CD95) on target cells by their cognate ligands (e.g. FasL) on NK cells, resulting in classical caspase-dependent apoptosis. The comparative role of these pathways in the pathophysiology of many diseases is being dissected by analyses of gene-targeted mice that lack these molecules, and humans who have genetic mutations affecting these pathways. We are also now learning that the effector function of NK cells is controlled by interactions involving specific NK cell receptors and their cognate ligands, either on target cells, or other cells of the immune system. This review will discuss the functional importance of NK cell cytotoxicity and the receptor/ligand interactions that control these processes.
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Affiliation(s)
- Mark J Smyth
- Cancer Immunology Program, Trescowthick Laboratories, Peter MacCallum Cancer Centre, Vic. 8006, Australia.
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14
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Costello RT, Fauriat C, Sivori S, Marcenaro E, Olive D. NK cells: innate immunity against hematological malignancies? Trends Immunol 2004; 25:328-33. [PMID: 15145323 DOI: 10.1016/j.it.2004.04.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Recent advances in the treatment of malignant haemopathies enable increased remission and cure rates, however, many patients relapse and finally die. Although specific immunity mediated by cytolytic T-lymphocytes might have an anti-cancer role, tumours escape from T-cell-based immune surveillance using various mechanisms, such as downregulation, mutation or loss of HLA class I molecules. As a consequence, these transformed cells could become targets for natural killer (NK) cells, whose cytotoxic capabilities are not blocked by HLA class I molecule engagement by specific inhibitory receptors. Novel developments in NK-cell research, particularly the identification of the role of non-HLA-restricted activating receptors (and in some cases of their ligands), have recently enabled us to reconsider NK-cell interactions with haematological malignant cells.
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Affiliation(s)
- Régis T Costello
- Laboratoire Immunologie des Tumeurs, Centre de Lutte Contre le Cancer de Marseille, 232 boulevard Sainte Marguerite, 13009 Marseille, France.
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15
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Bonamino M, Serafini M, D'Amico G, Gaipa G, Todisco E, Bernasconi S, Golay J, Biondi A, Introna M. Functional transfer of CD40L gene in human B-cell precursor ALL blasts by second-generation SIN lentivectors. Gene Ther 2004; 11:85-93. [PMID: 14681701 DOI: 10.1038/sj.gt.3302141] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Three different second-generation lentiviral self-inactivating vectors containing CMV, EF1alpha and PGK promoter, respectively, and all carrying the exogenous GFP gene, were compared for expression in human B-cell precursor ALL blasts. At a comparable percentage of transduction and vector DNA copy number, CMV clearly showed better efficiency of transcription. Human bone marrow stromal cells were favored compared to the MRC-5 cell line, as support for cell viability during infection. Cells were infected and analyzed after variable culture times ranging from 4 to 12 days, to reduce the possibility of pseudotransduction. In 10/14 samples, we detected more than 20% GFP-positive cells after exposure to high-titer viral supernatants. We then tested a similar vector carrying the human CD40L cDNA and, in similar infection conditions, obtained more than 20% transduction in 6/6 samples. The levels of transduction obtained were sufficient to induce the upregulation of CD83 molecule in cocultured immature dendritic cells.
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Affiliation(s)
- M Bonamino
- Centro M Tettamanti, Clinica Pediatrica Università di Milano Bicocca, Ospedale San Gerardo, Monza, Italy
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16
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van den Broeke LT, Daschbach E, Thomas EK, Andringa G, Berzofsky JA. Dendritic cell-induced activation of adaptive and innate antitumor immunity. THE JOURNAL OF IMMUNOLOGY 2004; 171:5842-52. [PMID: 14634094 DOI: 10.4049/jimmunol.171.11.5842] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
While studying Ag-pulsed syngeneic dendritic cell (DC) immunization, we discovered that surprisingly, unpulsed DCs induced protection against tumor lung metastases resulting from i.v. injection of a syngeneic BALB/c colon carcinoma CT26 or a syngeneic C57BL/6 lung carcinoma LL/2. Splenocytes or immature splenic DCs did not protect. The protection was mediated by NK cells, in that it was abrogated by treatment with anti-asialo-GM1 but not anti-CD8, and was induced by CD1(-/-) DCs unable to stimulate NKT cells, but did not occur in beige mice lacking NK cells. Protection correlated with increased NK activity, and increased infiltration of NK but not CD8(+) cells in lungs of tumor-bearing mice. Protection depended on the presence of costimulatory molecules CD80, CD86, and CD40 on the DCs, but surprisingly did not require DCs that could make IL-12 or IL-15. Unexpectedly, protection sensitive to anti-asialo-GM1 and increased NK activity were still present 14 mo after DC injection. As NK cells lack memory, we found by depletion that CD4(+) not CD8(+) T cells were required for induction of the NK antitumor response. The role of DCs and CD4(+) T cells provides a novel mechanism for NK cell induction and innate immunity against cancer that may have potential in preventing clinical metastases.
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MESH Headings
- Animals
- Antigens, CD/biosynthesis
- Antigens, CD/genetics
- Antigens, CD/physiology
- B7-1 Antigen/biosynthesis
- B7-1 Antigen/genetics
- B7-1 Antigen/physiology
- B7-2 Antigen
- CD4-Positive T-Lymphocytes/cytology
- CD4-Positive T-Lymphocytes/immunology
- Cell Communication/immunology
- Cell Line, Tumor
- Colonic Neoplasms/genetics
- Colonic Neoplasms/immunology
- Colonic Neoplasms/therapy
- Cytotoxicity, Immunologic/genetics
- Dendritic Cells/immunology
- Dendritic Cells/transplantation
- Female
- Immunity, Innate
- Immunotherapy, Adoptive/methods
- Injections, Intravenous
- Killer Cells, Natural/immunology
- Lung Neoplasms/genetics
- Lung Neoplasms/immunology
- Lung Neoplasms/secondary
- Lung Neoplasms/therapy
- Membrane Glycoproteins/biosynthesis
- Membrane Glycoproteins/deficiency
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/physiology
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Nude
- Mice, SCID
- Neoplasm Transplantation
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Affiliation(s)
- Leon T van den Broeke
- Molecular Immunogenetics and Vaccine Research Section, Metabolism Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Sartorius R, D'Apice L, Barba P, Guardiola J, Santoni A, Velotti F, De Berardinis P. Induction of human NK cell-mediated cytotoxicity by CD40 triggering on antigen presenting cells. Cell Immunol 2003; 221:81-8. [PMID: 12747948 DOI: 10.1016/s0008-8749(03)00060-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Engagement of CD40 on antigen presenting cells (APC) is central to the initiation of cell-mediated immune response. Here, we investigated the ability of CD40 ligation on APC to induce NK cell-mediated cytotoxicity in the human system and the mechanism(s) underlying this process. We showed that APC (consisting in adherent peripheral blood mononuclear cells) (PBMC), pre-stimulated with anti-CD40 monoclonal antibodies and co-cultured with autologous non-adherent PBMC for 5-9 days, induced CD3-/CD56+ NK cell-mediated cytotoxicity as well as CD3+/CD56+ T cell-mediated unrestricted cytotoxic activity. The generation of NK cell-mediated cytotoxicity was independent on cell-to-cell contact between CD40-triggered APC and NK cells. Moreover, we found that IL-12 did not play a role in NK cells induction by anti-CD40 priming, while IL-2 and IL-15 did play a role. Our results provide an insight into the mechanism by which NK cells are activated in peripheral blood and useful informations for therapeutic application of anti-CD40 antibodies.
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Affiliation(s)
- Rossella Sartorius
- Institute of Protein Biochemistry, CNR, via G. Marconi 10, 80125, Naples, Italy
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