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Wang R, Peng X, Yuan Y, Shi B, Liu Y, Ni H, Guo W, Yang Q, Liu P, Wang J, Su Z, Yu S, Liu D, Zhang J, Xia J, Liu X, Li H, Yang Z, Peng Z. Dynamic immune recovery process after liver transplantation revealed by single-cell multi-omics analysis. Innovation (N Y) 2024; 5:100599. [PMID: 38510071 PMCID: PMC10952083 DOI: 10.1016/j.xinn.2024.100599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/27/2024] [Indexed: 03/22/2024] Open
Abstract
Elucidating the temporal process of immune remodeling under immunosuppressive treatment after liver transplantation (LT) is critical for precise clinical management strategies. Here, we performed a single-cell multi-omics analysis of peripheral blood mononuclear cells (PBMCs) collected from LT patients (with and without acute cellular rejection [ACR]) at 13 time points. Validation was performed in two independent cohorts with additional LT patients and healthy controls. Our study revealed a four-phase recovery process after LT and delineated changes in immune cell composition, expression programs, and interactions along this process. The intensity of the immune response differs between the ACR and non-ACR patients. Notably, the newly identified inflamed NK cells, CD14+RNASE2+ monocytes, and FOS-expressing monocytes emerged as predictive indicators of ACR. This study illuminates the longitudinal evolution of the immune cell landscape under tacrolimus-based immunosuppressive treatment during LT recovery, providing a four-phase framework that aids the clinical management of LT patients.
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Affiliation(s)
- Rui Wang
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Xiao Peng
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Yixin Yuan
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Baojie Shi
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Yuan Liu
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Hengxiao Ni
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen 361102, China
| | - Wenzhi Guo
- Department of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Qiwei Yang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen 361102, China
| | - Pingguo Liu
- Department of Hepatobiliary & Pancreatic Surgery, The National Key Clinical Specialty, Zhongshan Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jie Wang
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Zhaojie Su
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Shengnan Yu
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Dehua Liu
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jinyan Zhang
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Junjie Xia
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Xueni Liu
- Department of General Surgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Hao Li
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Zhengfeng Yang
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Zhihai Peng
- Organ Transplantation Clinical Medical Center of Xiamen University, Department of General Surgery, Xiang’an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
- Organ Transplantation Institute of Xiamen University, Xiamen Human Organ Transplantation Quality Control Center, Xiamen Key Laboratory of Regeneration Medicine, Fujian Provincial Key Laboratory of Organ and Tissue Regeneration, School of Medicine, Xiamen University, Xiamen 361102, China
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Ulvmoen A, Greiff V, Bechensteen AG, Inngjerdingen M. NKG2A discriminates natural killer cells with a suppressed phenotype in pediatric acute leukemia. J Leukoc Biol 2024; 115:334-343. [PMID: 37738462 DOI: 10.1093/jleuko/qiad112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 08/09/2023] [Accepted: 09/05/2023] [Indexed: 09/24/2023] Open
Abstract
Natural killer (NK) cells are important for early tumor immune surveillance. In patients with hematological cancers, NK cells are generally functional deficient and display dysregulations in their receptor repertoires. Acute leukemia is the most common cancer in children, and we here performed a comparative phenotypic profiling of NK cells from B-cell precursor acute lymphoblastic leukemia (BCP-ALL) patients to identify aberrant NK cell phenotypes. NK cell phenotypes, maturation, and function were analyzed in matched bone marrow and blood NK cells from BCP-ALL patients at diagnosis, during treatment, and at end of treatment and compared with age-matched pediatric control subjects. Expression of several markers were skewed in patients, but with large interindividual variations. Undertaking a multiparameter approach, we found that high expression levels of NKG2A was the single predominant marker distinguishing NK cells in BCP-ALL patients compared with healthy control subjects. Moreover, naïve CD57-NKG2A NK cells dominated in BCP-ALL patients at diagnosis. Further, we found dysregulated expression of the activating receptor DNAM-1 in resident bone marrow CXCR6+ NK cells. CXCR6+ NK cells lacking DNAM-1 expressed NKG2A and had a tendency for lower degranulation activity. In conclusion, high expression of NKG2A dominates NK cell phenotypes from pediatric BCP-ALL patients, indicating that NKG2A could be targeted in therapies for this patient group.
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Affiliation(s)
- Aina Ulvmoen
- Department of Pediatrics, Oslo University Hospital, Sognsvannsveien 20, Oslo 0372, Norway
| | - Victor Greiff
- Department of Immunology, Oslo University Hospital and University of Oslo, Sognsvannsveien 20, Oslo 0372, Norway
| | - Anne G Bechensteen
- Department of Pediatrics, Oslo University Hospital, Sognsvannsveien 20, Oslo 0372, Norway
| | - Marit Inngjerdingen
- Department of Pharmacology, Oslo University Hospital and University of Oslo, Sognsvannsveien 20, Oslo 0372, Norway
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Asadzadeh R, Nafar M, Ahmadpoor P, Samavat S, Nikoueinejad H, Hosseinzadeh M, Mamizadeh N, Hatami S, Amirzargar A. Investigating the relationship between the number and activity of natural killer cells with increased cytomegalovirus and CMV disease after kidney transplantation. Transpl Immunol 2023; 80:101887. [PMID: 37451646 DOI: 10.1016/j.trim.2023.101887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 06/20/2023] [Accepted: 07/01/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Cytomegalovirus (CMV) infections caused by the cytomegalovirus are one of the most common problems in patients after kidney transplant. We examined the association of the relationship between the number and activity of natural killer cells with increased cytomegalovirus and its related disease after kidney transplantation. MATERIAL AND METHODS In this analytical study, 58 new transplant patients in the Labbafinejad Hospital, who did not have any evidence of CMV infection, were evaluated based on the number and percentage of CD56+/16+, CD56+/16-, and CD69+ Natural Killer (NK) cells. RESULTS The results of this study showed that CD16+ and CD56+ cells in the group of CMV Ag-positive patients are less than negative patients (p = 0.003) and the difference between the two groups are significant (p = 0.01). However, CD69+ cells did not differ significantly between the two groups (p = 0.1). Moreover, the absolute number of CD16+ and CD56+ cells declined significantly after infection with CMV unlike the CMV Ag - group(p = 0.003). DISCUSSION These results indicate that kidney transplant patients suffering from CMV infection after transplantation have a significantly reduced total number of NK cells. On the other hand, a slight decrease in the number of NK subgroups was observed with an increase in the peak serum levels of cyclosporine. As a consequence of these findings, it can be assumed that more dosage and a higher level of the drug will result in more severe immunosuppression and, consequently, increased susceptibility to CMV infections. Thus, taking the right dose of the drug would prevent viral infections and immune system from over-activation.
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Affiliation(s)
- Reza Asadzadeh
- Chronic Kidney Disease Research Center, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mohsen Nafar
- Chronic Kidney Disease Research Center, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Pedram Ahmadpoor
- Urology and Nephrology Research Center, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Shiva Samavat
- Urology and Nephrology Research Center, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Hassan Nikoueinejad
- Nephrology and Urology Research Center, Baqiyatallah University of Medical Sciences, Iran.
| | - Morteza Hosseinzadeh
- Department of Immunology, School of Medicine, Ilam University of Medical Sciences, Ilam, Iran.
| | - Nahid Mamizadeh
- Chronic Kidney Disease Research Center, Shahid Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Saeideh Hatami
- Department of Tissue Engineering and Regenerative Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Aliakbar Amirzargar
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Zhou Z, Liu X, Zhang X, Wen S, Hua H, Wang Z, Xu Z, Lu Y, Wang F. Impact of Early Natural Killer Cell Reconstitution on the Outcomes of T Cell-Replete Allogeneic Hematopoietic Stem Cell Transplantation. J Inflamm Res 2023; 16:2993-3008. [PMID: 37489148 PMCID: PMC10363384 DOI: 10.2147/jir.s416708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 07/04/2023] [Indexed: 07/26/2023] Open
Abstract
Background Early immune reconstitution is crucial to successful outcomes after allogeneic stem cell transplantation (allo-HSCT). However, in T cell-replete HSCT, the impact of natural killer (NK) cells on transplantation outcome and the factors influencing early NK cell reconstitution remain unclear. Methods In this retrospective study, we analyzed 128 patients with hematological malignancies who received the first T cell-replete allo-HSCT between May 2019 and September 2021. After application of a conditioning regimen, prophylaxis for graft versus host disease (GVHD), and engraftment, the patients received prevention and treatment procedures for cytomegalovirus (CMV) reactivation. NK cells, T lymphocytes and B lymphocytes in peripheral blood were collected and analyzed at 30, 60, 90, 135 and 180 days after transplantation to observe immune cell reconstitution. Overall survival (OS), relapse-free survival (RFS), minimal residual disease (MRD), relapse, and non-relapse mortality (NRM) were evaluated. SPSS 25.0 and R version 4.2.1 were used for statistical analysis. Results In patients with rapid NK recovery (NK cell count at 30 days post-HSCT [NK30] >165/μL and 60 days post-HSCT [NK60] >265/μL), we observed lower rates of NRM, CMV reactivation and acute GVHD (aGVHD). Multivariate analysis indicated that a lower NK30 (≤165/μL) was an independent factor associated with inferior OS and RFS. The NK30 and NK60 in patients with CMV reactivation and aGVHD after transplantation were significantly lower than those in patients without these complications. In addition, CD107a expression in NK cells was also significantly lower in patients who experienced aGVHD. Correlation analysis did not find an inhibitory effect of T-lymphocyte subset reconstitution on NK cells in the early stage after transplantation. Conclusion Rapid NK cell reconstitution early after allo-HSCT had protective effects on NRM and survival. Promoting early NK cell reconstitution represents a new approach to improving the outcomes of allo-HSCT.
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Affiliation(s)
- Ziwei Zhou
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Xuan Liu
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Xuejun Zhang
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Shupeng Wen
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Huan Hua
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Zhenzhen Wang
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Zheng Xu
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Yu Lu
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
| | - Fuxu Wang
- Department of Hematology, The Second Hospital of Hebei Medical University, Hebei Key Laboratory of Hematology, Shijiazhuang, Hebei050000, People’s Republic of China
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Yuan J, Li J, Gao C, Jiang C, Xiang Z, Wu J. Immunotherapies catering to the unmet medical need of cold colorectal cancer. Front Immunol 2022; 13:1022190. [PMID: 36275766 PMCID: PMC9579278 DOI: 10.3389/fimmu.2022.1022190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/21/2022] [Indexed: 11/13/2022] Open
Abstract
As a common malignant tumor of gastrointestinal tract, the incidence of colorectal cancer (CRC) has gradually increased in recent years. In western developed countries, it has even become the second largest malignant tumor next to lung cancer. Immunotherapy is a hot topic in the field of cancer therapy, including immune checkpoint blockade (ICB), adoptive cell therapy (ACT), cancer vaccines and cytokines, aiming to improve the ability of the immune system to recognize, target and eliminate cancer cells. However, cold CRC, which accounts for a high proportion of CRC, is not so reactive to it. The development of immunotherapy to prevent cancer cells from forming “immune escape” pathways to the immune system in cold CRC, has been under increasing study attention. There is proof that an organic combination of radiotherapy, chemotherapy, and several immunotherapies can considerably boost the immune system’s capacity to eradicate tumor cells. In this review, we summarized the role of immunotherapy in colorectal cancer. In addition, we propose a breakthrough and strategy to improve the role of immunotherapy in cold CRC based on its characteristics.
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Affiliation(s)
- Jun Yuan
- Department of Clinical Laboratory, The Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng, Yancheng, China
| | - Jiarui Li
- Zhejiang University School of Medicine, Hangzhou, China
| | - Ce Gao
- Department of Clinical Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Chun Jiang
- Department of Clinical Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Ze Xiang
- Zhejiang University School of Medicine, Hangzhou, China
- *Correspondence: Jian Wu, ; Ze Xiang,
| | - Jian Wu
- Department of Clinical Laboratory, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Suzhou, China
- *Correspondence: Jian Wu, ; Ze Xiang,
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Aguilar-Cazares D, Chavez-Dominguez R, Marroquin-Muciño M, Perez-Medina M, Benito-Lopez JJ, Camarena A, Rumbo-Nava U, Lopez-Gonzalez JS. The systemic-level repercussions of cancer-associated inflammation mediators produced in the tumor microenvironment. Front Endocrinol (Lausanne) 2022; 13:929572. [PMID: 36072935 PMCID: PMC9441602 DOI: 10.3389/fendo.2022.929572] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/01/2022] [Indexed: 12/15/2022] Open
Abstract
The tumor microenvironment is a dynamic, complex, and redundant network of interactions between tumor, immune, and stromal cells. In this intricate environment, cells communicate through membrane-membrane, ligand-receptor, exosome, soluble factors, and transporter interactions that govern cell fate. These interactions activate the diverse and superfluous signaling pathways involved in tumor promotion and progression and induce subtle changes in the functional activity of infiltrating immune cells. The immune response participates as a selective pressure in tumor development. In the early stages of tumor development, the immune response exerts anti-tumor activity, whereas during the advanced stages, the tumor establishes mechanisms to evade the immune response, eliciting a chronic inflammation process that shows a pro-tumor effect. The deregulated inflammatory state, in addition to acting locally, also triggers systemic inflammation that has repercussions in various organs and tissues that are distant from the tumor site, causing the emergence of various symptoms designated as paraneoplastic syndromes, which compromise the response to treatment, quality of life, and survival of cancer patients. Considering the tumor-host relationship as an integral and dynamic biological system, the chronic inflammation generated by the tumor is a communication mechanism among tissues and organs that is primarily orchestrated through different signals, such as cytokines, chemokines, growth factors, and exosomes, to provide the tumor with energetic components that allow it to continue proliferating. In this review, we aim to provide a succinct overview of the involvement of cancer-related inflammation at the local and systemic level throughout tumor development and the emergence of some paraneoplastic syndromes and their main clinical manifestations. In addition, the involvement of these signals throughout tumor development will be discussed based on the physiological/biological activities of innate and adaptive immune cells. These cellular interactions require a metabolic reprogramming program for the full activation of the various cells; thus, these requirements and the by-products released into the microenvironment will be considered. In addition, the systemic impact of cancer-related proinflammatory cytokines on the liver-as a critical organ that produces the leading inflammatory markers described to date-will be summarized. Finally, the contribution of cancer-related inflammation to the development of two paraneoplastic syndromes, myelopoiesis and cachexia, will be discussed.
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Affiliation(s)
- Dolores Aguilar-Cazares
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Rodolfo Chavez-Dominguez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Posgrado en Ciencias Biologicas, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
| | - Mario Marroquin-Muciño
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Laboratorio de Quimioterapia Experimental, Departamento de Bioquimica, Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, Mexico City, Mexico
| | - Mario Perez-Medina
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Laboratorio de Quimioterapia Experimental, Departamento de Bioquimica, Escuela Nacional de Ciencias Biologicas, Instituto Politecnico Nacional, Mexico City, Mexico
| | - Jesus J. Benito-Lopez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
- Posgrado en Ciencias Biologicas, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico
| | - Angel Camarena
- Laboratorio de Human Leukocyte Antigen (HLA), Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Uriel Rumbo-Nava
- Clinica de Neumo-Oncologia, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Jose S. Lopez-Gonzalez
- Laboratorio de Investigacion en Cancer Pulmonar, Departamento de Enfermedades Cronico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
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Johnstone M, Vinaixa D, Turi M, Morelli E, Anderson KC, Gulla A. Promises and Challenges of Immunogenic Chemotherapy in Multiple Myeloma. Cells 2022; 11:cells11162519. [PMID: 36010596 PMCID: PMC9406519 DOI: 10.3390/cells11162519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022] Open
Abstract
Immunological tolerance of myeloma cells represents a critical obstacle in achieving long-term disease-free survival for multiple myeloma (MM) patients. Over the past two decades, remarkable preclinical efforts to understand MM biology have led to the clinical approval of several targeted and immunotherapeutic agents. Among them, it is now clear that chemotherapy can also make cancer cells “visible” to the immune system and thus reactivate anti-tumor immunity. This knowledge represents an important resource in the treatment paradigm of MM, whereas immune dysfunction constitutes a clear obstacle to the cure of the disease. In this review, we highlight the importance of defining the immunological effects of chemotherapy in MM with the goal of enhancing the clinical management of patients. This area of investigation will open new avenues of research to identify novel immunogenic anti-MM agents and inform the optimal integration of chemotherapy with immunotherapy.
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Affiliation(s)
- Megan Johnstone
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Delaney Vinaixa
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Marcello Turi
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Faculty of Science, University of Ostrava, 70100 Ostrava, Czech Republic
- Faculty of Medicine, University of Ostrava, 70300 Ostrava, Czech Republic
- Department of Hematooncology, University Hospital Ostrava, 70800 Ostrava, Czech Republic
| | - Eugenio Morelli
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Kenneth Carl Anderson
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02115, USA
- Correspondence: (K.C.A.); (A.G.); Tel.: +1-617-632-2144 (K.C.A.); +1-617-632-6638 (A.G.); Fax: +1-617-632-2140 (K.C.A. & A.G.)
| | - Annamaria Gulla
- Jerome Lipper Multiple Myeloma Center, LeBow Institute for Myeloma Therapeutics, Dana-Farber Cancer Institute, Boston, MA 02215, USA
- Harvard Medical School, Boston, MA 02115, USA
- Correspondence: (K.C.A.); (A.G.); Tel.: +1-617-632-2144 (K.C.A.); +1-617-632-6638 (A.G.); Fax: +1-617-632-2140 (K.C.A. & A.G.)
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Rawat S, Dadhwal V, Mohanty S. Dexamethasone priming enhances stemness and immunomodulatory property of tissue-specific human mesenchymal stem cells. BMC DEVELOPMENTAL BIOLOGY 2021; 21:16. [PMID: 34736395 PMCID: PMC8567134 DOI: 10.1186/s12861-021-00246-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 10/19/2021] [Indexed: 01/27/2023]
Abstract
BACKGROUND Human Mesenchymal Stem Cells (hMSCs) represent a promising cell source for cell-based therapy in autoimmune diseases and other degenerative disorders due to their immunosuppressive, anti-inflammatory and regenerative potentials. Belonging to a glucocorticoid family, Dexamethasone (Dex) is a powerful anti-inflammatory compound that is widely used as therapy in autoimmune disease conditions or allogeneic transplantation. However, minimal immunomodulatory effect of hMSCs may limit their therapeutic uses. Moreover, the effect of glucocorticoids on the immunomodulatory molecules or other regenerative properties of tissue-specific hMSCs remains unknown. METHOD Herein, we evaluated the in vitro effect of Dex at various dose concentrations and time intervals, 1000 ng/ml, 2000 ng/ml, 3000 ng/ml and 24 h, 48 h respectively, on the basic characteristics and immunomodulatory properties of Bone marrow derived MSC (BM-MSCs), Adipose tissue derived MSCs (AD-MSCs), Dental Pulp derived MSC (DP-MSCs) and Umbilical cord derived MSCs (UC-MSCs). RESULTS The present study indicated that the concentration of Dex did not ramify the cellular morphology nor showed cytotoxicity as well as conserved the basic characteristics of tissue specific hMSCs including cell proliferation and surface marker profiling. However, quite interestingly it was observed that the stemness markers (Oct-4, Sox-2, Nanog and Klf-4) showed a significant upregulation in DP-MSCs and AD-MSCs followed by UC-MSCs and BM-MSCs. Additionally, immunomodulatory molecules, Prostaglandin E-2 (PGE-2), Indoleamine- 2,3-dioxygenase (IDO) and Human Leukocyte Antigen-G (HLA-G) were seen to be upregulated in a dose-dependent manner. Moreover, there was a differential response of tissue specific hMSCs after pre-conditioning with Dex during mixed lymphocyte reaction, wherein UC-MSCs and DP-MSCs showed enhanced immunosuppression as compared to AD-MSCs and BM-MSCs, thereby proving to be a better candidate for therapeutic applications in immune-related diseases. CONCLUSION Dex preconditioning improved the hMSCs immunomodulatory property and may have reduced the challenge associated with minimal potency and strengthen their therapeutic efficacy. Preconditioning of tissue specific hMSCs with dexamethasone biomanufacturers the enhanced potential hMSCs with better stemness and immunomodulatory properties for future therapeutics.
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Affiliation(s)
- Sonali Rawat
- Stem Cell Facility, All India Institute of Medical Science, New Delhi, India
| | - Vatsla Dadhwal
- Department of Obstetrics and Gynecology, All India Institute of Medical Science, New Delhi, India
| | - Sujata Mohanty
- Stem Cell Facility, All India Institute of Medical Science, New Delhi, India.
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9
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Shams S, Martinez JM, Dawson JRD, Flores J, Gabriel M, Garcia G, Guevara A, Murray K, Pacifici N, Vargas MV, Voelker T, Hell JW, Ashouri JF. The Therapeutic Landscape of Rheumatoid Arthritis: Current State and Future Directions. Front Pharmacol 2021; 12:680043. [PMID: 34122106 PMCID: PMC8194305 DOI: 10.3389/fphar.2021.680043] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/05/2021] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is a debilitating autoimmune disease with grave physical, emotional and socioeconomic consequences. Despite advances in targeted biologic and pharmacologic interventions that have recently come to market, many patients with RA continue to have inadequate response to therapies, or intolerable side effects, with resultant progression of their disease. In this review, we detail multiple biomolecular pathways involved in RA disease pathogenesis to elucidate and highlight pathways that have been therapeutic targets in managing this systemic autoimmune disease. Here we present an up-to-date accounting of both emerging and approved pharmacological treatments for RA, detailing their discovery, mechanisms of action, efficacy, and limitations. Finally, we turn to the emerging fields of bioengineering and cell therapy to illuminate possible future targeted therapeutic options that combine material and biological sciences for localized therapeutic action with the potential to greatly reduce side effects seen in systemically applied treatment modalities.
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Affiliation(s)
- Shahin Shams
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
| | - Joseph M. Martinez
- Department of Pharmacology, University of California, Davis, Davis, CA, United States
| | - John R. D. Dawson
- Department of Physiology and Membrane Biology, University of California, Davis, Davis, CA, United States
| | - Juan Flores
- Center for Neuroscience, University of California, Davis, Davis, CA, United States
| | - Marina Gabriel
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
| | - Gustavo Garcia
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
| | - Amanda Guevara
- Department of Pharmacology, University of California, Davis, Davis, CA, United States
| | - Kaitlin Murray
- Department of Anatomy, Physiology, and Cell Biology, University of California, Davis, Davis, CA, United States
| | - Noah Pacifici
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
| | | | - Taylor Voelker
- Department of Physiology and Membrane Biology, University of California, Davis, Davis, CA, United States
| | - Johannes W. Hell
- Department of Pharmacology, University of California, Davis, Davis, CA, United States
| | - Judith F. Ashouri
- Rosalind Russell and Ephraim R. Engleman Rheumatology Research Center, Department of Medicine, University of California, San Francisco, CA, United States
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10
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Schmidt S, Schubert R, Demir A, Lehrnbecher T. Distinct Effects of Immunosuppressive Drugs on the Anti- Aspergillus Activity of Human Natural Killer Cells. Pathogens 2019; 8:pathogens8040246. [PMID: 31752374 PMCID: PMC6963337 DOI: 10.3390/pathogens8040246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/01/2019] [Accepted: 11/14/2019] [Indexed: 01/27/2023] Open
Abstract
As the prognosis of invasive aspergillosis remains unacceptably poor in patients undergoing hematopoietic stem cell transplantation (HSCT), there is a growing interest in the adoptive transfer of antifungal effector cells, such as Natural Killer (NK) cells. Because immunosuppressive agents are required in most HSCT recipients, knowledge of the impact of these compounds on the antifungal activity of NK cells is a prerequisite for clinical trials. We, therefore, assessed the effect of methylprednisolone (mPRED), cyclosporin A (CsA) and mycophenolic acid (MPA) at different concentrations on proliferation, apoptosis/necrosis, and the direct and indirect anti-Aspergillus activity of human NK cells. Methylprednisolone decreased proliferation and increased apoptosis of NK cells in a significant manner. After seven days, a reduction of viable NK cells was seen for all three immunosuppressants, which was significant for MPA only. Cyclosporin A significantly inhibited the direct hyphal damage by NK cells in a dose-dependent manner. None of the immunosuppressive compounds had a major impact on the measured levels of interferon-γ, granulocyte-macrophage colony-stimulating factor and RANTES (regulated on activation, normal T cell expressed and secreted; CCL5). Our data demonstrate that commonly used immunosuppressive compounds have distinct effects on proliferation, viability and antifungal activity of human NK cells, which should be considered in designing studies on the use of NK cells for adoptive antifungal immunotherapy.
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Affiliation(s)
- Stanislaw Schmidt
- Division of Pediatric Hematology and Oncology, Hospital for Children and Adolescents, University Hospital, Goethe University Frankfurt am Main, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany; (S.S.); (A.D.)
| | - Ralf Schubert
- Pediatric Pulmonology, Allergology and Cystic Fibrosis, Hospital for Children and Adolescents, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany;
| | - Asuman Demir
- Division of Pediatric Hematology and Oncology, Hospital for Children and Adolescents, University Hospital, Goethe University Frankfurt am Main, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany; (S.S.); (A.D.)
| | - Thomas Lehrnbecher
- Division of Pediatric Hematology and Oncology, Hospital for Children and Adolescents, University Hospital, Goethe University Frankfurt am Main, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany; (S.S.); (A.D.)
- Correspondence:
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11
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Pradier A, Papaserafeim M, Li N, Rietveld A, Kaestel C, Gruaz L, Vonarburg C, Spirig R, Puga Yung GL, Seebach JD. Small-Molecule Immunosuppressive Drugs and Therapeutic Immunoglobulins Differentially Inhibit NK Cell Effector Functions in vitro. Front Immunol 2019; 10:556. [PMID: 30972058 PMCID: PMC6445861 DOI: 10.3389/fimmu.2019.00556] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 03/01/2019] [Indexed: 12/14/2022] Open
Abstract
Small-molecule immunosuppressive drugs (ISD) prevent graft rejection mainly by inhibiting T lymphocytes. Therapeutic immunoglobulins (IVIg) are used for substitution, antibody-mediated rejection (AbMR) and HLA-sensitized recipients by targeting distinct cell types. Since the effect of ISD and IVIg on natural killer (NK) cells remains somewhat controversial in the current literature, the aim of this comparative study was to investigate healthy donor's human NK cell functions after exposure to ISD and IVIg, and to comprehensively review the current literature. NK cells were incubated overnight with IL2/IL12 and different doses and combinations of ISD and IVIg. Proliferation was evaluated by 3[H]-thymidine incorporation; phenotype, degranulation and interferon gamma (IFNγ) production by flow cytometry and ELISA; direct NK cytotoxicity by standard 51[Cr]-release and non-radioactive DELFIA assays using K562 as stimulator and target cells; porcine endothelial cells coated with human anti-pig antibodies were used as targets in antibody-dependent cellular cytotoxicity (ADCC) assays. We found that CD69, CD25, CD54, and NKG2D were downregulated by ISD. Proliferation was inhibited by methylprednisolone (MePRD), mycophenolic acid (MPA), and everolimus (EVE). MePRD and MPA reduced degranulation, MPA only of CD56bright NK cells. MePRD and IVIg inhibited direct cytotoxicity and ADCC. Combinations of ISD demonstrated cumulative inhibitory effects. IFNγ production was inhibited by MePRD and ISD combinations, but not by IVIg. In conclusion, IVIg, ISD and combinations thereof differentially inhibit NK cell functions. The most potent drug with an effect on all NK functions was MePRD. The fact that MePRD and IVIg significantly block NK cytotoxicity, especially ADCC, has major implications for AbMR as well as therapeutic strategies targeting cancer and immune cells with monoclonal antibodies.
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Affiliation(s)
- Amandine Pradier
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Maria Papaserafeim
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Ning Li
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Anke Rietveld
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Charlotte Kaestel
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Lyssia Gruaz
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | | | | | - Gisella L Puga Yung
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
| | - Jörg D Seebach
- Division of Immunology and Allergy, University Hospitals and Medical Faculty, Geneva, Switzerland
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12
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Hou G, Xu B, Bi Y, Wu C, Ru B, Sun B, Bai X. Recent advances in research on aspartate β-hydroxylase (ASPH) in pancreatic cancer: A brief update. Bosn J Basic Med Sci 2018; 18:297-304. [PMID: 30179586 DOI: 10.17305/bjbms.2018.3539] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/08/2018] [Accepted: 06/08/2018] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer (PC) is a highly aggressive tumor, often difficult to diagnose and treat. Aspartate β-hydroxylase (ASPH) is a type II transmembrane protein and the member of α-ketoglutarate-dependent dioxygenase family, found to be overexpressed in different cancer types, including PC. ASPH appears to be involved in the regulation of proliferation, invasion and metastasis of PC cells through multiple signaling pathways, suggesting its role as a tumor biomarker and therapeutic target. In this review, we briefly summarize the possible mechanisms of action of ASPH in PC and recent progress in the therapeutic approaches targeting ASPH.
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Affiliation(s)
- Guofang Hou
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China.
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13
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Calabrese DR, Lanier LL, Greenland JR. Natural killer cells in lung transplantation. Thorax 2018; 74:397-404. [PMID: 30381399 DOI: 10.1136/thoraxjnl-2018-212345] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 09/06/2018] [Accepted: 10/01/2018] [Indexed: 12/16/2022]
Abstract
Natural killer (NK) cells are innate lymphoid cells that have been increasingly recognised as important in lung allograft tolerance and immune defence. These cells evolved to recognise alterations in self through a diverse set of germline-encoded activating and inhibitory receptors and display a broad range of effector functions that play important roles in responding to infections, malignancies and allogeneic tissue. Here, we review NK cells, their diverse receptors and the mechanisms through which NK cells are postulated to mediate important lung transplant clinical outcomes. NK cells can promote tolerance, such as through the depletion of donor antigen-presenting cells. Alternatively, these cells can drive rejection through cytotoxic effects on allograft tissue recognised as 'non-self' or 'stressed', via killer cell immunoglobulin-like receptor (KIR) or NKG2D receptor ligation, respectively. NK cells likely mediate complement-independent antibody-mediated rejection of allografts though CD16A Fc receptor-dependent activation induced by graft-specific antibodies. Finally, NK cells play an important role in response to infections, particularly by mediating cytomegalovirus infection through the CD94/NKG2C receptor. Despite these sometimes-conflicting effects on allograft function, enumeration of NK cells may have an important role in diagnosing allograft dysfunction. While the effects of immunosuppression agents on NK cells may currently be largely unintentional, further understanding of NK cell biology in lung allograft recipients may allow these cells to serve as biomarkers of graft injury and as therapeutic targets.
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Affiliation(s)
- Daniel R Calabrese
- Department of Medicine, University of California, San Francisco, California, USA
| | - Lewis L Lanier
- Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California, USA.,The Parker Institute for Cancer Immunotherapy, University of California San Francisco, San Francisco, California, USA
| | - John R Greenland
- Department of Medicine, University of California, San Francisco, California, USA.,Medical Service, Veterans Affairs Health Care System, San Francisco, California, USA
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14
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Ganesan S, Luu TT, Chambers BJ, Meinke S, Brodin P, Vivier E, Wetzel DM, Koleske AJ, Kadri N, Höglund P. The Abl-1 Kinase is Dispensable for NK Cell Inhibitory Signalling and is not Involved in Murine NK Cell Education. Scand J Immunol 2017; 86:135-142. [PMID: 28605050 DOI: 10.1111/sji.12574] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Accepted: 06/05/2017] [Indexed: 01/27/2023]
Abstract
Natural killer (NK) cell responsiveness in the mouse is determined in an education process guided by inhibitory Ly49 and NKG2A receptors binding to MHC class I molecules. It has been proposed that inhibitory signalling in human NK cells involves Abl-1 (c-Abl)-mediated phosphorylation of Crk, lowering NK cell function via disruption of a signalling complex including C3G and c-Cbl, suggesting that NK cell education might involve c-Abl. Mice deficient in c-Abl expression specifically in murine NK cells displayed normal inhibitory and activating receptor repertoires. Furthermore, c-Abl-deficient NK cells fluxed Ca2+ normally after triggering of ITAM receptors, killed YAC-1 tumour cells efficiently and showed normal, or even slightly elevated, capacity to produce IFN-γ after activating receptor stimulation. Consistent with these results, c-Abl deficiency in NK cells did not affect NK cell inhibition via the receptors Ly49G2, Ly49A and NKG2A. We conclude that signalling downstream of murine inhibitory receptors does not involve c-Abl and that c-Abl plays no major role in NK cell education in the mouse.
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Affiliation(s)
- S Ganesan
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - T T Luu
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - B J Chambers
- Department of Medicine, Center for Infectious Medicine, F59, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - S Meinke
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - P Brodin
- Science for Life Laboratory, Department of Medicine Solna, Karolinska Institutet and Department of Neonatology, Karolinska Institutet and Department of Neonatology, Karolinska university Hospital, Stockholm, Sweden
| | - E Vivier
- Centre d'Immunologie de Marseille-Luminy, Université Aix-Marseille UM2, INSERM, U1104, CNRS UMR 7258, Marseille, France.,Immunologie, Hôpital de la Conception, Assistance Publique - Hôpitaux de Marseille, Aix-Marseille Université, Marseille, France
| | - D M Wetzel
- Department of Pediatrics and Pharmacology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - A J Koleske
- Immunologie, Hôpital de la Conception, Assistance Publique - Hôpitaux de Marseille, Aix-Marseille Université, Marseille, France
| | - N Kadri
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - P Höglund
- Center for Hematology and Regenerative Medicine (HERM), Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
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15
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Morgan DJ, Davis DM. Distinct Effects of Dexamethasone on Human Natural Killer Cell Responses Dependent on Cytokines. Front Immunol 2017; 8:432. [PMID: 28450865 PMCID: PMC5389971 DOI: 10.3389/fimmu.2017.00432] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/28/2017] [Indexed: 01/08/2023] Open
Abstract
Glucocorticoids (GCs) have long been known to be immune suppressive and synthetic variants are widely used in the treatment of inflammatory disorders. Here, we report that, while suppressing the initial production of interferon-γ (IFN-γ), the synthetic GC dexamethasone (Dex) enhances the proliferation and survival of natural killer (NK) cells stimulated with interleukin-2 (IL-2) + interleukin-12 (IL-12). Inhibition of mTOR complex 1 by rapamycin revealed the immunosuppressive activity of Dex was independent from the effect of enhancing NK cell proliferation. In the presence of IL-2 + IL-12, Dex also increased the percentage of NK cells that were CD16+ and DNAM1bright, increased the level of expression of CD94 or NKG2A, and improved mitochondrial function of NK cells. Moreover, NK cells treated with cytokines IL-2 and IL-12 + Dex, followed by a 7-day rest, displayed an increased IFN-γ response upon restimulation. Thus, there is a dichotomic effect of GCs on NK cell function dependent on the local cytokine milieu; the NK cell effector response is initially suppressed, but, dependent on the cytokines present, Dex can also augment the proliferation, survival, and reactivity of human NK cells in a secondary recall response.
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Affiliation(s)
- David J Morgan
- Manchester Collaborative Centre for Inflammation Research, University of Manchester, Manchester, UK
| | - Daniel M Davis
- Manchester Collaborative Centre for Inflammation Research, University of Manchester, Manchester, UK
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16
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Buhler S, Giostra E, Gbame C, de Rham C, Mullhaupt B, Dufour JF, Majno P, Negro F, Bochud PY, Villard J. A significant effect of the killer cell immunoglobulin-like receptor ligand human leucocyte antigen-C on fibrosis progression in chronic C hepatitis with or without liver transplantation. Liver Int 2016; 36:1331-9. [PMID: 26717049 DOI: 10.1111/liv.13057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 12/18/2015] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS The interaction of killer cell immunoglobulin-like receptors with their human leucocyte antigen ligands drives the activation and inhibition of natural killer cells. Natural killer cells could be implicated in the development of liver fibrosis in chronic hepatitis C. METHODS We analysed 206 non-transplanted and 53 liver transplanted patients, selected according to their Metavir fibrosis stage. Several variables such as the number of activator killer cell immunoglobulin-like receptors or the human leucocyte antigen ligands were considered in multinomial and logistic regression models. Possible confounding variables were also investigated. RESULTS The killer cell immunoglobulin-like receptors were not significant predictors of the fibrosis stage. Conversely, a significant reduction of the human leucocyte antigen-C1C2 genotype was observed in the most advanced fibrosis stage group (F4) in both cohorts. Furthermore, the progression rate of fibrosis was almost 10 times faster in the subgroup of patients after liver transplantation, and human leucocyte antigen-C1C2 was significantly reduced in this cohort compared with non-transplanted patients. CONCLUSION This study suggests a possible role of killer cell immunoglobulin-like receptors and their ligands in the development of liver damage. The absence of C1 and C2 ligands heterozygosity could lead to less inhibition of natural killer cells and a quicker progression to a high level of fibrosis in patients infected with hepatitis C virus, especially following liver transplantation.
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Affiliation(s)
- Stéphane Buhler
- Transplantation Immunology Unit, Service of Nephrology, Department of Internal Medicine Specialties and Genetic and Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland.,Laboratory of Anthropology, Genetics and Peopling History, Department of Genetics and Evolution - Anthropology Unit, University of Geneva, Geneva, Switzerland
| | - Emiliano Giostra
- Service of Transplantation, Geneva University Hospitals, Geneva, Switzerland
| | - Corinne Gbame
- Transplantation Immunology Unit, Service of Nephrology, Department of Internal Medicine Specialties and Genetic and Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - Casimir de Rham
- Transplantation Immunology Unit, Service of Nephrology, Department of Internal Medicine Specialties and Genetic and Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - Beat Mullhaupt
- Division of Gastroenterology and Hepatology, Zurich University Hospital, Zurich, Switzerland
| | - Jean-François Dufour
- University Clinic of Visceral Surgery and Medicine Inselspital, Bern, Switzerland
| | - Pietro Majno
- Service of Transplantation, Geneva University Hospitals, Geneva, Switzerland
| | - Francesco Negro
- Service of Gastroenterology and Hepatology, Geneva University Hospitals, Geneva, Switzerland.,Service of Clinical Pathology, Geneva University Hospitals, Geneva, Switzerland
| | | | - Jean Villard
- Transplantation Immunology Unit, Service of Nephrology, Department of Internal Medicine Specialties and Genetic and Laboratory Medicine, Geneva University Hospitals, Geneva, Switzerland
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17
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IL-15 activates mTOR and primes stress-activated gene expression leading to prolonged antitumor capacity of NK cells. Blood 2016; 128:1475-89. [PMID: 27465917 DOI: 10.1182/blood-2016-02-698027] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 07/13/2016] [Indexed: 12/21/2022] Open
Abstract
Treatment of hematological malignancies by adoptive transfer of activated natural killer (NK) cells is limited by poor postinfusion persistence. We compared the ability of interleukin-2 (IL-2) and IL-15 to sustain human NK-cell functions following cytokine withdrawal to model postinfusion performance. In contrast to IL-2, IL-15 mediated stronger signaling through the IL-2/15 receptor complex and provided cell function advantages. Genome-wide analysis of cytosolic and polysome-associated messenger RNA (mRNA) revealed not only cytokine-dependent differential mRNA levels and translation during cytokine activation but also that most gene expression differences were primed by IL-15 and only manifested after cytokine withdrawal. IL-15 augmented mammalian target of rapamycin (mTOR) signaling, which correlated with increased expression of genes related to cell metabolism and respiration. Consistently, mTOR inhibition abrogated IL-15-induced cell function advantages. Moreover, mTOR-independent STAT-5 signaling contributed to improved NK-cell function during cytokine activation but not following cytokine withdrawal. The superior performance of IL-15-stimulated NK cells was also observed using a clinically applicable protocol for NK-cell expansion in vitro and in vivo. Finally, expression of IL-15 correlated with cytolytic immune functions in patients with B-cell lymphoma and favorable clinical outcome. These findings highlight the importance of mTOR-regulated metabolic processes for immune cell functions and argue for implementation of IL-15 in adoptive NK-cell cancer therapy.
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18
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Added effects of dexamethasone and mesenchymal stem cells on early Natural Killer cell activation. Transpl Immunol 2016; 37:1-9. [PMID: 27142560 DOI: 10.1016/j.trim.2016.04.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 04/22/2016] [Accepted: 04/29/2016] [Indexed: 02/03/2023]
Abstract
Graft rejection and graft-versus-host disease are leading causes of transplant related mortality despite advancements in immunosuppressive therapy. Mesenchymal stem cells (MSCs) offer a promising addition to immunosuppressive drugs (ISD), while NK-cells are increasingly used as effector cells in graft-versus-leukemia. Combined therapy of ISD, NK-cells and/or MSCs is used in clinical practice. Here, we examined the effects of MSCs and selected ISD (tacrolimus, cyclosporin A, mycophenolic acid, dexamethasone) treatment on early NK-cell activation. We assessed STAT4 and STAT5 phosphorylation triggered by IL-12 and IL-2, respectively. Furthermore, we determined IFNγ, perforin production and the expression pattern of selected NK-cell receptors. Of all drugs tested, only dexamethasone inhibited NK-cell STAT4 and STAT5 phosphorylation. All ISD, with the exception of MPA, significantly inhibited IFNγ, and only dexamethasone inhibited upregulation of early activation markers CD69 and CD25 (IL-2 condition only). MSCs inhibited IL-2 induced NK cell STAT5 phosphorylation, IFNγ production and CD69 upregulation, and IL-12 induced IFNγ and perforin production. While MSCs mediated inhibition of CD69 expression was cell contact dependent, inhibition of IFNγ and perforin production, as well as STAT5 phosphorylation was cell-contact independent. Importantly, dexamethasone augmented MSCs mediated inhibition of both IL-12 and IL-2 induced CD69 expression and IFNγ production, as well as IL-2 induced STAT5 phosphorylation. Taken together, these novel insights may help the design of future NK-cell and MSCs based immunotherapy.
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19
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Pérez-Martínez A, Fernández L, Valentín J, Martínez-Romera I, Corral MD, Ramírez M, Abad L, Santamaría S, González-Vicent M, Sirvent S, Sevilla J, Vicario JL, de Prada I, Diaz MÁ. A phase I/II trial of interleukin-15--stimulated natural killer cell infusion after haplo-identical stem cell transplantation for pediatric refractory solid tumors. Cytotherapy 2015; 17:1594-603. [PMID: 26341478 DOI: 10.1016/j.jcyt.2015.07.011] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/16/2015] [Accepted: 07/18/2015] [Indexed: 01/31/2023]
Abstract
BACKGROUND AIMS Preliminary data suggest that T-cell-depleted haplo-identical stem cell transplantation (haplo-SCT) has a clinically beneficial allograft-versus-tumor effect associated with natural killer (NK) cell immune reconstitution. METHODS This phase I/II trial descriptively evaluates the feasibility of interleukin (IL)-15-stimulated NK cell infusion after haplo-SCT in pediatric patients with refractory solid tumors. RESULTS Six patients received an IL-15-stimulated NK cell infusion at 30 days after haplo-SCT. The mean number of infused NK cells per product was 11.3 × 10(6)/kg (range, 3-27 × 10(6)/kg). The T-cell count was <1 × 10(3)/kg in all patients (range, 0-0.75 × 10(3)/kg). No toxic effects related to IL-15--stimulated NK cell infusion were observed. Four of the six patients showed a clinical response (one achieved very good partial remission, two achieved partial remission and one had stable disease). One patient had progressive disease, and the response was not evaluated in the remaining patient. After a median follow-up period of 310 days, all patients had died: four of cancer relapse, one of cancer-associated thrombotic micro-angiopathy and one of acute graft-versus-host disease. CONCLUSIONS The adoptive transfer of allogeneic IL-15--stimulated NK cells might be feasible and safe in heavily pretreated pediatric patients with refractory solid tumors, though the advanced stage of disease and toxic effects of haplo-SCT may limit the efficacy of NK cell infusion in this population.
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Affiliation(s)
- Antonio Pérez-Martínez
- Department of Pediatric Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario La Paz, Madrid, Spain.
| | - Lucía Fernández
- Clinical Research Program, Cancer Research National Centre, Madrid, Spain
| | | | | | | | - Manuel Ramírez
- GMP Facility, Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain; Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Lorea Abad
- Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Sandra Santamaría
- GMP Facility, Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Marta González-Vicent
- Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Sara Sirvent
- Department of Radiology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Julián Sevilla
- Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | | | - Inmaculada de Prada
- Department of Pathology, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
| | - Miguel Ángel Diaz
- Department of Hemato-Oncology and Stem Cell Transplantation, Hospital Infantil Universitario Niño Jesús, Madrid, Spain
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Spallanzani RG, Torres NI, Avila DE, Ziblat A, Iraolagoitia XLR, Rossi LE, Domaica CI, Fuertes MB, Rabinovich GA, Zwirner NW. Regulatory Dendritic Cells Restrain NK Cell IFN-γ Production through Mechanisms Involving NKp46, IL-10, and MHC Class I–Specific Inhibitory Receptors. THE JOURNAL OF IMMUNOLOGY 2015; 195:2141-8. [DOI: 10.4049/jimmunol.1403161] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 07/06/2015] [Indexed: 12/22/2022]
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Yakimchuk K, Chen L, Hasni MS, Okret S, Jondal M. The selective impact of transgenically expressed glucocorticoid receptor on T cells. Autoimmunity 2014; 48:117-24. [PMID: 25401790 DOI: 10.3109/08916934.2014.959164] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Glucocorticoids (GCs) strongly impact on different T cell subsets inducing generally immunosuppressive effects, whereas much less is known about the effect of GC on natural killer (NK) cells. The aims of this study were to investigate the effects of GC on T cell functions, including T cell-mediated anti-tumor immune response, and on NK cells. We have used lck-GR mice, which overexpress a transgenic rat GR in both T and NK cells. These mice were found to have decreased both CD4(+) and CD8(+) T cell populations in the periphery. In contrast, both NK and NKT cells were found in normal numbers in lck-GR mice. To identify genes and pathways affected by GR overexpression in our system in T cells, we have compared gene expression profiles in wild-type and lck-GR T cells. Among the genes upregulated in T cells from lck-GR mice, the microarray analysis has identified genes regulating expansion of regulatory T cells. The analysis of genes downregulated in lck-GR mice has identified genes and gene associated with the regulation of immune response. With regard to the effects on T cell functions in lck-GR mice, transgenic expression of GR had a suppressive effect on killer cell activity in vitro. In addition, lck-GR mice showed an increased tumor growth in murine tumor model in vivo, which may be a possible consequence of reduced T cell numbers and activity. We conclude that an increased expression of the GR strongly affects numbers and possibly functions of T cell subsets, but has little effect on NK cells.
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Affiliation(s)
- Konstantin Yakimchuk
- Department of Biosciences and Nutrition, Karolinska Instutet , Novum, Huddinge , Sweden and
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Huyan T, Li Q, Ye LJ, Yang H, Xue XP, Zhang MJ, Huang QS, Yin DC, Shang P. Inhibition of human natural killer cell functional activity by human aspartyl β-hydroxylase. Int Immunopharmacol 2014; 23:452-9. [PMID: 25281391 DOI: 10.1016/j.intimp.2014.09.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 09/13/2014] [Accepted: 09/15/2014] [Indexed: 11/30/2022]
Abstract
Natural killer (NK) cells are a key component of the innate immune system and play pivotal roles as inflammatory regulators and in tumor surveillance. Human aspartyl β-hydroxylase (HAAH) is a plasma membrane and endoplasmic reticulum protein with hydroxylation activity, which is over-expressed in many malignant neoplasms and can be detected from the sera of tumor patients. HAAH is involved in regulating tumor cell infiltration and metastasis. Escaping from immune surveillance may help tumor cell infiltration and metastasis. However, the effects of HAAH on tumor immune surveillance have not yet been investigated carefully. The present study investigated the potential use of HAAH as an immune regulator of human NK cells. We assessed the effects of recombinant HAAH (r-HAAH) on primary human NK cell morphology, viability, cytotoxicity, apoptosis, receptors expression and cytokine/cytolytic proteins production. Our results demonstrated that r-HAAH negatively affects NK cell activity in a time and dose-dependent manner. It noticeably reduces the viability of the NK cells by increasing apoptosis and necrosis via caspase signaling pathways. Moreover, r-HAAH reduces the NK cell cytotoxicity by inhibiting surface expression of NKG2D, NKp44 and IFN-γ secretion. These findings suggest that one of the ways by which HAAH actively promotes tumor formation and proliferation is by inhibiting NK cell-surveillance activity.
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Affiliation(s)
- Ting Huyan
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Qi Li
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Lin-Jie Ye
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Hui Yang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Xiao-Ping Xue
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Ming-Jie Zhang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China; Laboratory of Molecular Virology, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, 1401 Rockville Pike, Rockville, MD, USA
| | - Qing-Sheng Huang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Da-Chuan Yin
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China.
| | - Peng Shang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
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Alnabhan R, Madrigal A, Saudemont A. Differential activation of cord blood and peripheral blood natural killer cells by cytokines. Cytotherapy 2014; 17:73-85. [PMID: 25248279 DOI: 10.1016/j.jcyt.2014.08.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 08/13/2014] [Accepted: 08/17/2014] [Indexed: 11/17/2022]
Abstract
BACKGROUND AIMS Natural killer (NK) cells play important roles in the clearance of infection and transformed cells. Cord blood (CB) is currently used as a source of hematopoietic stem cells for transplantation and is a potential source of NK cells for immunotherapy. We previously showed that CB NK cells are immature and less cytotoxic as compared with peripheral blood (PB) NK cells. We aimed to identify which cytokines, among interleukin (IL)-2, IL-12, IL-15 and IL-18 and their combinations, could fully activate CB NK cells as compared with PB NK cells. METHODS We performed a comprehensive analysis of phenotype and functionality of cytokine-activated NK cells. RESULTS Our results show that the lower responsiveness of CB NK cells to IL-2 is associated with lower levels of expression of IL-2 receptors and decreased phosphorylation of STAT5 as compared with PB NK cells. Activation of CB NK cells with IL-15+18 led to the most robust proliferative response and higher interferon-γ and tumor necrosis factor-α secretion, whereas activation with IL-15+2 promoted enhanced cytotoxicity. PB NK cells responded significantly better to IL-2 than to CB NK cells but were also fully activated with other cytokine treatments including IL-15, IL-15+2 or IL-15+18. It was also possible to use cytokines to generate memory-like NK cells, with sustained ability to produce interferon-γ, from both CB and PB. CONCLUSIONS CB NK cells are fully functional on activation with IL-15+2 or IL-15+18 rather than IL-2 alone as observed for PB NK cells. These cytokines should be considered in the future to activate CB NK cells for therapeutic purposes.
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Affiliation(s)
- Rehab Alnabhan
- University College London, Cancer Institute, Royal Free Campus, London, United Kingdom; Anthony Nolan Research Institute, Royal Free Campus, London, United Kingdom
| | - Alejandro Madrigal
- University College London, Cancer Institute, Royal Free Campus, London, United Kingdom; Anthony Nolan Research Institute, Royal Free Campus, London, United Kingdom
| | - Aurore Saudemont
- University College London, Cancer Institute, Royal Free Campus, London, United Kingdom; Anthony Nolan Research Institute, Royal Free Campus, London, United Kingdom.
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Abstract
The use of cytokines from the IL-2 family (also called the common γ chain cytokine family) such as interleukin (IL)-2, IL-7, IL-15, and IL-21 to activate the immune system of cancer patients is one of the most important areas of current cancer immunotherapy research. The infusion of IL-2 at low or high doses for multiple cycles in patients with metastatic melanoma and renal cell carcinoma was the first successful immunotherapy for cancer proving that the immune system could completely eradicate tumor cells under certain conditions. The initial clinical success observed in some IL-2-treated patients encouraged further efforts focused on developing and improving the application of other IL-2 family cytokines (IL-4, IL-7, IL-9, IL-15, and IL-21) that have unique biological effects playing important roles in the development, proliferation, and function of specific subsets of lymphocytes at different stages of differentiation with some overlapping effects with IL-2. IL-7, IL-15, and IL-21, as well as mutant forms or variants of IL-2, are now also being actively pursued in the clinic with some measured early successes. In this review, we summarize the current knowledge on the biology of the IL-2 cytokine family focusing on IL-2, IL-15 and IL-21. We discuss the similarities and differences between the signaling pathways mediated by these cytokines and their immunomodulatory effects on different subsets of immune cells. Current clinical application of IL-2, IL-15 and IL-21 either as single agents or in combination with other biological agents and the limitation and potential drawbacks of these cytokines for cancer immunotherapy are also described. Lastly, we discuss the future direction of research on these cytokines, such as the development of new cytokine mutants and variants for improving cytokine-based immunotherapy through differential binding to specific receptor subunits.
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Affiliation(s)
- Geok Choo Sim
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Laszlo Radvanyi
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Lion Biotechnologies, Woodland Hills, CA 91367, USA.
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Brehm C, Huenecke S, Esser R, Kloess S, Quaiser A, Betz S, Zimmermann O, Soerensen J, Passweg JR, Klingebiel T, Schwabe D, Bader P, Koehl U. Interleukin-2-stimulated natural killer cells are less susceptible to mycophenolate mofetil than non-activated NK cells: possible consequences for immunotherapy. Cancer Immunol Immunother 2014; 63:821-33. [PMID: 24806448 PMCID: PMC11028798 DOI: 10.1007/s00262-014-1556-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Accepted: 04/22/2014] [Indexed: 01/05/2023]
Abstract
In a clinical phase I/II trial, pediatric patients with high-risk malignancies were treated with ex vivo IL-2-stimulated donor natural killer (NK) cells after transplantation with haploidentical stem cells. To evaluate the potential negative effects of the immunosuppressive drug mycophenolate mofetil (MMF) used for immunotherapy, the functionality and signaling of ex vivo NK cells was investigated. Our results show that during NK cell expansion, long-term (9 days) incubation with mycophenolic acid (MPA), the active metabolite of MMF, in therapeutically relevant concentrations led to the severe inhibition of NK cell proliferation. This correlated with a significantly reduced cytokine/chemokine secretion and the inhibited acquisition of surface receptors regarding cytotoxicity (e.g., NKp30, NKp44, NKp46, NKG2D), adhesion/migration (e.g., ICAM-1/CD54, LFA-1/CD11a, CD62L, CXCR3) and activation (e.g., CD25). Moreover, MPA prevented phosphorylation of the central signaling molecules STAT-3/-4/-5, AKT and ERK1/2. In contrast, short-term (24 h) MPA incubation of IL-2-stimulated NK cells had no or only marginal effects on the activated NK cell phenotype, including receptor expression, cytokine/chemokine secretion and intracellular signaling. Further, short-term MPA incubation only moderately affected the highly cytotoxic activity of previously IL-2-stimulated NK cells. In conclusion, while long-term MPA incubation significantly compromised ex vivo NK cell functionality, previously IL-2-activated NK cells seemed to be rather resistant to short-term MPA treatment. This finding supports the use of IL-2-activated NK cells as immunotherapy, especially for patients treated with MMF after haploidentical stem cell transplantation.
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Affiliation(s)
- Claudia Brehm
- Clinic for Pediatric and Adolescent Medicine, University Hospital Frankfurt, Goethe University, Frankfurt/Main, Germany,
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26
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Ciaglia E, Pisanti S, Picardi P, Laezza C, Sosa S, Tubaro A, Vitale M, Gazzerro P, Malfitano AM, Bifulco M. N6-isopentenyladenosine affects cytotoxic activity and cytokines production by IL-2 activated NK cells and exerts topical anti-inflammatory activity in mice. Pharmacol Res 2014; 89:1-10. [PMID: 25063359 DOI: 10.1016/j.phrs.2014.07.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 07/10/2014] [Accepted: 07/14/2014] [Indexed: 01/13/2023]
Abstract
N6-isopentenyladenosine (iPA) is a modified adenosine with an isopentenyl moiety derived from the mevalonate pathway which displays pleiotropic biological effects, including anti-tumor and anti-angiogenic activity. Previous evidence revealed a biphasic effect of iPA on phytohemagglutinin-stimulated lymphocytes, being pro-proliferative at low doses and anti-proliferative at high doses. Analogously, we have recently shown that low iPA concentrations (<1μM) increased the immune response of natural killer (NK) cells against cancer targets. In the present study, we evaluated the effect of iPA at high concentration (10μM) on IL-2-activated NK cells. iPA, inhibited NK cell proliferation and cytotoxicity against their conventional tumor target, human K562 cells. This inhibition was associated with decreased expression and functionality of NK cell activating receptors NKp44 and NKG2D as well as impaired cyto/chemokines secretion (RANTES, MIP-1α, TNF-α and IFN-γ). ERK/MAPK and STAT5 activation in IL-2-activated NK cells were inhibited by iPA. The results obtained in vitro were validated in vivo in the inflammatory murine model of croton oil-induced ear dermatitis. The topical application of iPA significantly reduced mouse ear oedema, thus suggesting anti-inflammatory properties of this molecule. These results show the ability of iPA to exert anti-inflammatory effects both in vitro and in vivo directly targeting NK cells, providing a novel pharmacological tool in those diseases characterized by a deregulated immune-response, such as cancer or inflammatory conditions.
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Affiliation(s)
- Elena Ciaglia
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy; Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy.
| | - Simona Pisanti
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy; Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy
| | - Paola Picardi
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy; Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy
| | - Chiara Laezza
- Institute of Endocrinology and Experimental Oncology, IEOS CNR, Via Pansini 5, 80131 Naples, Italy; Department of Biology and Cellular and Molecular Pathology, University of Naples Federico II, Via Pansini, 80131 Naples, Italy
| | - Silvio Sosa
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Aurelia Tubaro
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy
| | - Mario Vitale
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy
| | - Patrizia Gazzerro
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy
| | - Anna Maria Malfitano
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy; Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy
| | - Maurizio Bifulco
- Department of Medicine and Surgery, University of Salerno, Via Salvatore Allende, 84081 Baronissi, Salerno, Italy; Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 84084 Fisciano, Salerno, Italy.
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Association of immunological cell profiles with specific clinical phenotypes of scleroderma disease. BIOMED RESEARCH INTERNATIONAL 2014; 2014:148293. [PMID: 24818126 PMCID: PMC4004116 DOI: 10.1155/2014/148293] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/17/2014] [Accepted: 03/16/2014] [Indexed: 01/25/2023]
Abstract
This study aimed to search the correlation among immunological profiles and clinical phenotypes of scleroderma in well-characterized groups of scleroderma patients, comparing forty-nine scleroderma patients stratified according to specific clinical phenotypes with forty-nine healthy controls. Five immunological cell subpopulations (B, CD4(+) and CD8(+) T-cells, NK, and monocytes) and their respective stages of apoptosis and activation were analyzed by flow cytometry, in samples of peripheral blood mononuclear cells (PBMCs). Analyses of results were stratified according to disease stage, time since the diagnosis, and visceral damage (pulmonary fibrosis, pulmonary hypertension, and cardiac affliction) and by time of treatment with corticosteroids. An increase in the percentages of monocytes and a decrease in the B cells were mainly related to the disease progression. A general apoptosis decrease was found in all phenotypes studied, except in localized scleroderma. An increase of B and NK cells activation was found in patients diagnosed more than 10 years ago. Specific cell populations like monocytes, NK, and B cells were associated with the type of affected organ. This study shows how, in a heterogeneous disease, proper patient's stratification according to clinical phenotypes allows finding specific cellular profiles. Our data may lead to improvements in the knowledge of prognosis factors and to aid in the analysis of future specific therapies.
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Schneider P, Plassa LF, Ratajczak P, Leboeuf C, Verneuil L, Battistella M, Bensussan A, Bagot M, Janin A. NKp46-Specific Expression on Skin-Resident CD4 + Lymphocytes in Mycosis Fungoides and Sézary Syndrome. J Invest Dermatol 2014; 134:574-578. [DOI: 10.1038/jid.2013.321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Ciaglia E, Pisanti S, Picardi P, Laezza C, Malfitano AM, DˈAlessandro A, Gazzerro P, Vitale M, Carbone E, Bifulco M. N6-isopentenyladenosine, an endogenous isoprenoid end product, directly affects cytotoxic and regulatory functions of human NK cells through FDPS modulation. J Leukoc Biol 2013; 94:1207-19. [DOI: 10.1189/jlb.0413190] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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31
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Meehan AC, Mifsud NA, Nguyen THO, Levvey BJ, Snell GI, Kotsimbos TC, Westall GP. Impact of commonly used transplant immunosuppressive drugs on human NK cell function is dependent upon stimulation condition. PLoS One 2013; 8:e60144. [PMID: 23555904 PMCID: PMC3605368 DOI: 10.1371/journal.pone.0060144] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Accepted: 02/22/2013] [Indexed: 01/13/2023] Open
Abstract
Lung transplantation is a recognised treatment for patients with end stage pulmonary disease. Transplant recipients receive life-long administration of immunosuppressive drugs that target T cell mediated graft rejection. However little is known of the impact on NK cells, which have the potential to be alloreactive in response to HLA-mismatched ligands on the lung allograft and in doing so, may impact negatively on allograft survival. NK cells from 20 healthy controls were assessed in response to Cyclosporine A, Mycophenolic acid (MPA; active form of Mycophenolate mofetil) and Prednisolone at a range of concentrations. The impact of these clinically used immunosuppressive drugs on cytotoxicity (measured by CD107a expression), IFN-γ production and CFSE proliferation was assessed in response to various stimuli including MHC class-I negative cell lines, IL-2/IL-12 cytokines and PMA/Ionomycin. Treatment with MPA and Prednisolone revealed significantly reduced CD107a expression in response to cell line stimulation. In comparison, addition of MPA and Cyclosporine A displayed reduced CD107a expression and IFN-γ production following PMA/Ionomycin stimulation. Diminished proliferation was observed in response to treatment with each drug. Additional functional inhibitors (LY294002, PD98059, Rottlerin, Rapamycin) were used to elucidate intracellular pathways of NK cell activation in response to stimulation with K562 or PMA-I. CD107a expression was significantly decreased with the addition of PD98059 following K562 stimulation. Similarly, CD107a expression significantly decreased following PMA-I stimulation with the addition of LY294002, PD98059 and Rottlerin. Ten lung transplant patients, not receiving immunosuppressive drugs pre-transplant, were assessed for longitudinal changes post-transplant in relation to the administration of immunosuppressive drugs. Individual patient dynamics revealed different longitudinal patterns of NK cell function post-transplantation. These results provide mechanistic insights into pathways of NK cell activation and show commonly administered transplant immunosuppression agents and clinical rejection/infection events have differential effects on NK cell function that may impact the immune response following lung transplantation.
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Affiliation(s)
- Aislin C. Meehan
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Nicole A. Mifsud
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Thi H. O. Nguyen
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Bronwyn J. Levvey
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Greg I. Snell
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Tom C. Kotsimbos
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
| | - Glen P. Westall
- Department of Medicine, Monash University, Melbourne, Victoria, Australia
- Department of Allergy, Immunology and Respiratory Medicine, The Alfred Hospital, Melbourne, Victoria, Australia
- * E-mail:
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32
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Trydzenskaya H, Juerchott K, Lachmann N, Kotsch K, Kunert K, Weist B, Schönemann C, Schindler R, Nickel P, Melzig MF, Hugo C, Thomusch O, Neumann AU, Reinke P, Babel N. The genetic predisposition of natural killer cell to BK virus-associated nephropathy in renal transplant patients. Kidney Int 2013; 84:359-65. [PMID: 23486513 DOI: 10.1038/ki.2013.59] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 12/07/2012] [Accepted: 12/21/2012] [Indexed: 12/16/2022]
Abstract
BK virus (BKV) infection represents a serious complication in renal transplant patients resulting in BKV-associated nephropathy and subsequent allograft loss. Natural killer cells are crucial in the antiviral immune response; however, an understanding of the role of natural killer cells in protection against BKV is limited. To elucidate whether killer-cell immunoglobulin-like receptors and their interaction between donor-/recipient-related ligands have a role in BKV infection, we performed genotyping analysis in 48 kidney transplant recipients with a history of severe BKV infection/BKV-associated nephropathy and 110 recipients with stable renal function and no BKV reactivation. Of interest, we found that telomeric gene content motif was significantly associated with severe course of BKV infection/BKV-associated nephropathy and detected significantly higher percentage of patients with BKV-associated nephropathy carrying low numbers of activating receptors compared with the control group. Detailed analysis of each single receptor revealed significantly lower frequencies of the activating receptor KIR3DS1 in patients with BKV infection/nephropathy as compared with the controls. Thus, our study supports protective effects of activating receptors in BKV infection and suggest natural killer-cell-related genetic predisposition to the development of BKV-associated nephropathy.
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Affiliation(s)
- Hanna Trydzenskaya
- Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Campus Virchow Clinic, Berlin, Germany
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Maślanka T. Dexamethasone inhibits and meloxicam promotes proliferation of bovine NK cells. Immunopharmacol Immunotoxicol 2013; 35:225-34. [PMID: 23369108 DOI: 10.3109/08923973.2013.764504] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Due to the unrecognized effect of dexamethasone (DEX) and meloxicam (MEL) on bovine natural killer (NK) cells, studies have been undertaken in order to determine whether the above medications can affect these cells in respect of their counts, apoptosis, proliferation and production of selected cytokines. Peripheral blood mononuclear cells (PBMCs) were treated with the drugs in concentrations reflecting their plasma levels achieved in vivo at therapeutic doses and in 10-fold lower concentrations. The effect of DEX and MEL on percentages and absolute counts of NK cells was determined 6, 12, 48 and 168 h after the exposure of PBMCs to the drugs. At each time point, it was found out that DEX reduced the absolute count of NK cells, an effect attributed to the proapoptotic and anti-proliferative influence of the drug on these cells. DEX lowered the production of IFN-γ by the analyzed cells and raised the percentage of IL-10-producing cells. Thus, the above effects are important elements contributing to the complex mechanism responsible for the anti-inflammatory and immunosuppressive properties of the drug. MEL neither affects the apoptosis of NK cells nor did it reduce their count. Moreover, one-week exposure to MEL raised the absolute count of these cells, which was the result of their more intense proliferation in the presence of the drug. Thus, the influence of MEL with respect to the proliferation and count of NK cells was immunostimulating. On the other hand, MEL reduced the percentage of IFN-γ-producing NK cells, which in turn is an immunosuppressive effect.
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Affiliation(s)
- Tomasz Maślanka
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Olsztyn, Poland.
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Templin C, Zweigerdt R, Schwanke K, Olmer R, Ghadri JR, Emmert MY, Müller E, Küest SM, Cohrs S, Schibli R, Kronen P, Hilbe M, Reinisch A, Strunk D, Haverich A, Hoerstrup S, Lüscher TF, Kaufmann PA, Landmesser U, Martin U. Transplantation and tracking of human-induced pluripotent stem cells in a pig model of myocardial infarction: assessment of cell survival, engraftment, and distribution by hybrid single photon emission computed tomography/computed tomography of sodium iodide symporter transgene expression. Circulation 2012; 126:430-9. [PMID: 22767659 DOI: 10.1161/circulationaha.111.087684] [Citation(s) in RCA: 142] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Evaluation of novel cellular therapies in large-animal models and patients is currently hampered by the lack of imaging approaches that allow for long-term monitoring of viable transplanted cells. In this study, sodium iodide symporter (NIS) transgene imaging was evaluated as an approach to follow in vivo survival, engraftment, and distribution of human-induced pluripotent stem cell (hiPSC) derivatives in a pig model of myocardial infarction. METHODS AND RESULTS Transgenic hiPSC lines stably expressing a fluorescent reporter and NIS (NIS(pos)-hiPSCs) were established. Iodide uptake, efflux, and viability of NIS(pos)-hiPSCs were assessed in vitro. Ten (±2) days after induction of myocardial infarction by transient occlusion of the left anterior descending artery, catheter-based intramyocardial injection of NIS(pos)-hiPSCs guided by 3-dimensional NOGA mapping was performed. Dual-isotope single photon emission computed tomographic/computed tomographic imaging was applied with the use of (123)I to follow donor cell survival and distribution and with the use of (99m)TC-tetrofosmin for perfusion imaging. In vitro, iodide uptake in NIS(pos)-hiPSCs was increased 100-fold above that of nontransgenic controls. In vivo, viable NIS(pos)-hiPSCs could be visualized for up to 15 weeks. Immunohistochemistry demonstrated that hiPSC-derived endothelial cells contributed to vascularization. Up to 12 to 15 weeks after transplantation, no teratomas were detected. CONCLUSIONS This study describes for the first time the feasibility of repeated long-term in vivo imaging of viability and tissue distribution of cellular grafts in large animals. Moreover, this is the first report demonstrating vascular differentiation and long-term engraftment of hiPSCs in a large-animal model of myocardial infarction. NIS(pos)-hiPSCs represent a valuable tool to monitor and improve current cellular treatment strategies in clinically relevant animal models.
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Affiliation(s)
- Christian Templin
- Department of Cardiology, University Hospital Zurich, Rämistrasse 100, 8091 Zürich, Switzerland.
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Chen Y, Wang Y, Zhuang Y, Zhou F, Huang L. Mifepristone increases the cytotoxicity of uterine natural killer cells by acting as a glucocorticoid antagonist via ERK activation. PLoS One 2012; 7:e36413. [PMID: 22563497 PMCID: PMC3341349 DOI: 10.1371/journal.pone.0036413] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Accepted: 04/09/2012] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Mifepristone (RU486), a potent antagonist of progesterone and glucocorticoids, is involved in immune regulation. Our previous studies demonstrated that mifepristone directly augments the cytotoxicity of human uterine natural killer (uNK) cells. However, the mechanism responsible for this increase in cytotoxicity is not known. Here, we explored whether the increased cytotoxicity in uNK cells produced by mifepristone is due to either anti-progesterone or anti-glucocorticoid activity, and also investigated relevant changes in the mitogen-activated protein kinase (MAPK) pathway. METHODOLOGY/PRINCIPAL FINDINGS Uterine NK cells were isolated from decidual samples and incubated with different concentrations of progesterone, cortisol, or mifepristone. The cytotoxicity and perforin expression of uNK cells were detected by mitochondrial lactate dehydrogenase-based MTS staining and flow cytometry assays, respectively. Phosphorylation of components of the MAPK signaling pathway was detected by Western blot. Cortisol attenuated uNK cell-mediated cytotoxicity in a concentration-dependent manner whereas progesterone had no effect. Mifepristone alone increased the cytotoxicity and perforin expression of uNK cells; these effects were blocked by cortisol. Furthermore, mifepristone increased the phosphorylation of ERK1/2 in a cortisol-reversible manner. Specific ERK1/2 inhibitor PD98059 or U0126 blocked cortisol- and mifepristone-induced responses in uNK cells. CONCLUSIONS/SIGNIFICANCE These results suggest that mifepristone acts as a glucocorticoid antagonist to augment uNK cell-mediated cytotoxicity via ERK activation, which may be caused by increased perforin expression. These observations may reveal an important mechanism by which mifepristone upregulates the cytotoxicity of uNK cells.
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Affiliation(s)
- Yuezhou Chen
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Yan Wang
- Department of Gastroenterology, Taihe Hospital, Hubei Medical University, Shiyan, Hubei, People's Republic of China
| | - Yaling Zhuang
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Feng Zhou
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Lili Huang
- Women's Reproductive Health Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
- * E-mail:
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Kawaguchi T, Kaji R, Horiuchi H, Shirono T, Ishida Y, Okabe Y, Itou M, Mitsuyama K, Akiba J, Nakashima O, Yano H, Kage M, Harada M, Sakisaka S, Sata M. Development of intrahepatic cholangiocarcinoma after a 14-year follow-up of a patient with primary sclerosing cholangitis and ulcerative colitis. Hepatol Res 2011; 41:1253-9. [PMID: 22118304 DOI: 10.1111/j.1872-034x.2011.00875.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Intrahepatic cholangiocarcinoma (ICC) is one of the life-threatening complications of primary sclerosing cholangitis (PSC). However, the incidence of ICC in Japanese PSC patients is low, and the association between the development of ICC and morbidity duration of PSC is largely unknown. Here, we describe a case of ICC that developed after a long-term follow-up of a patient with PSC and ulcerative colitis (UC). At the age of 10 years, the patient was first diagnosed with UC and its remission was achieved with systemic steroid therapy. Since then, he was routinely followed-up. At the age of 19 years, laboratory tests showed abnormalities in liver function parameters, and the patient was diagnosed with PSC. Although treatment with ursodeoxycholic acid improved the abnormalities in serum levels of biliary enzymes and no PSC-related symptoms were seen for 13 years, calculous cholecystitis frequently occurred in the patient since the age of 32 years. He developed ICC, which expressed some hepatic progenitor cell markers such as CD133, neural cell adhesion molecule, keratin 7, and keratin 19 at the age of 33 years. ICC was treated by curative partial hepatectomy and adjuvant chemotherapy with gemcitabine. Eight months later, however, the patient developed multiple metastases in the abdominal lymph nodes and lungs, and died 21 months after the onset of ICC. Here, we report a case of ICC that developed after a 14-year follow-up of a patient with PSC and UC.
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Affiliation(s)
- Takumi Kawaguchi
- Department of Digestive Disease Information & Research Medicine Surgery Pathology, Kurume University School of Medicine Department of Diagnostic Pathology, Kurume University Hospital, Kurume Digestive Disease Center, Asakura Medical Association Hospital, Asakura Third Department of Internal Medicine, University of Occupational and Environmental Health, Japan, School of Medicine, Kitakyusyu Department of Gastroenterology and Medicine, Fukuoka University Faculty of Medicine, Fukuoka, Japan
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Moustaki A, Argyropoulos KV, Baxevanis CN, Papamichail M, Perez SA. Effect of the simultaneous administration of glucocorticoids and IL-15 on human NK cell phenotype, proliferation and function. Cancer Immunol Immunother 2011; 60:1683-95. [PMID: 21706285 PMCID: PMC11029608 DOI: 10.1007/s00262-011-1067-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Accepted: 06/15/2011] [Indexed: 02/08/2023]
Abstract
We have previously reported a synergistic effect between hydrocortisone (HC) and IL-15 on promoting natural killer (NK) cell expansion and function. In the present study, we extend our findings to methylprednisolone (MeP) and dexamethasone (Dex), thus ascribing to glucocorticoids (GCs) a general feature as positive regulators of IL-15-mediated effects on NK cells. We demonstrate that each GC when combined with IL-15 in cultures of peripheral blood (PB)-derived CD56(+) cells induces increased expansion of CD56(+)CD3(-) cells displaying high cytolytic activity, IFN-γ production potential and activating receptor expression, including NKp30, NKp44, NKp46, 2B4, NKG2D and DNAM-1. Furthermore, GCs protected NK cells from IL-15-induced cell death. The combination of IL-15 with GCs favored the expansion of a relatively more immature CD16(low/neg) NK cell population, with high expression of NKG2A and CD94, and significantly lower expression of KIR (CD158a and CD158b) and CD57, compared to IL-15 alone. IL-15-expanded NK cells, in the presence or absence of GCs, did not express CD62L, CXCR1 or CCR7. However, the presence of GCs significantly increased the density of CXCR3 and induced strong CXCR4 expression on the surface of NK cells. Our data indicate that IL-15/GC-expanded NK cells, apart from their increased proliferation rate, retain their functional integrity and exhibit a migratory potential rendering them useful for adoptive transfer in NK cell-based cancer immunotherapy.
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Affiliation(s)
- Ardiana Moustaki
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras Avenue, 11522 Athens, Greece
| | - Kimon V. Argyropoulos
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras Avenue, 11522 Athens, Greece
| | - Constantin N. Baxevanis
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras Avenue, 11522 Athens, Greece
| | - Michael Papamichail
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras Avenue, 11522 Athens, Greece
| | - Sonia A. Perez
- Cancer Immunology and Immunotherapy Center, Saint Savas Cancer Hospital, 171 Alexandras Avenue, 11522 Athens, Greece
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Hogg A, Huante M, Ongaya A, Williams J, Ferguson M, Cloyd M, Amukoye E, Endsley J. Activation of NK cell granulysin by mycobacteria and IL-15 is differentially affected by HIV. Tuberculosis (Edinb) 2011; 91 Suppl 1:S75-81. [PMID: 22099421 DOI: 10.1016/j.tube.2011.10.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
NK cells play an important role in innate immunity to mycobacteria and are a significant source of the bactericidal effector molecule granulysin. Defects in NK cells have been described in HIV-infected patients, though mechanistic studies have focused on effector molecules relevant to anti-viral, and not anti-bacterial, function. Here we used primary NK cells from healthy human donors and an in vitro system to identify the phenotype of granulysin expressing NK cells, characterize activation stimuli that regulate granulysin, and to study the immediate effects of HIV on innate activation of NK cell granulysin expression. We observe that granulysin expression is co-associated with cytotoxicity receptors (NKp46, NKG2D) known to have important function in the cytotoxic response to M.tb-infected macrophages. Granulysin expression is significantly increased following exposure to IL-15 or Mycobacterium bovis BCG, but in contrast to our previous findings with CD8(+)T cells, expression is weakly activated by IL-21. Infection of PBMC with HIV-1 suppresses NK cell induction of granulysin by IL-15, but does not impair activation by BCG. These effects of HIV-1 are associated with reduced STAT5 phosphorylation in the IL-15 activated signaling cascade. These observations suggest that HIV may impair the anti-bacterial function of NK cells and have implications for clinical use of IL-15 to augment innate cell mediated immunity in HIV+ patients.
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Affiliation(s)
- Alison Hogg
- National Institutes of Health, National Cancer Institute, Bethesda, Maryland, USA
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Interleukin (IL)-2 and IL-15 have different effects on human natural killer lymphocytes. Hum Immunol 2011; 72:1013-7. [PMID: 21925225 DOI: 10.1016/j.humimm.2011.07.311] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Revised: 07/03/2011] [Accepted: 07/25/2011] [Indexed: 11/20/2022]
Abstract
Although interleukin (IL)-2 and IL-15 share the common signal transducing receptor chains IL-2Rβ and γ(c) and give rise to the same signaling patterns in human natural killer (NK) cells in vitro, they differ in their effects on the development, activation, and proliferation of these cells in vivo. We have previously demonstrated that the activation of NK cells induces a cellular program characterized by the sequential transcription-regulated expression of IL-15 and IL-2 high-affinity receptors. We demonstrate here that these receptors induce different responses. IL-15 sustains the expression of its high-affinity receptor, leading to long-lasting STAT5 phosphorylation and BCL2 expression. By contrast, IL-2 induces the rapid disappearance of IL-2Rα and γ(c) chains when the gene transcription is downregulated, shutting down IL-2-responses as demonstrated by the absence of STAT5 phosphorylation and BCL2 expression.
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Hanvesakul R, Kubal C, Moore J, Neil D, Cook M, Ball S, Briggs D, Moss P, Cockwell P. KIR and HLA-C interactions promote differential dendritic cell maturation and is a major determinant of graft failure following kidney transplantation. PLoS One 2011; 6:e23631. [PMID: 21912600 PMCID: PMC3166139 DOI: 10.1371/journal.pone.0023631] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2011] [Accepted: 07/21/2011] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND HLA-C is an important ligand for killer immunoglobulin like receptors (KIR) that regulate natural killer (NK) cell function. Based on KIR specificity HLA-C molecules are allocated into two groups, HLA-C1 or HLA-C2; HLA-C2 is more inhibiting to NK cell function than HLA-C1. We studied the clinical importance of HLA-C genotypes on the long-term graft survival of 760 kidney transplants performed at our centre utilising a population based genetic study and cell culture model to define putative mechanisms. METHODS AND FINDINGS Genotyping was performed using conventional DNA PCR techniques and correlations made to clinical outcomes. We found that transplant recipients with HLA-C2 had significantly better long-term graft survival than transplant recipients with HLA-C1 (66% versus 44% at 10 years, log-rank p = 0.002, HR = 1.51, 95%CI = 1.16-1.97). In in-vitro NK and dendritic cell (DC) co-culture model we made several key observations that correlated with the population based genetic study. We observed that donor derived NK cells, on activation with IL-15, promoted differential HLA-C genotype dependent DC maturation. In NK-DC co-culture, the possession of HLA-C2 by DC was associated with anti-inflammatory cytokine production (IL-1RA/IL-6), diminished DC maturation (CD86, HLA-DR), and absent CCR7 expression. Conversely, possession of HLA-C1 by DC was associated with pro-inflammatory cytokine synthesis (TNF-α, IL-12p40/p70), enhanced DC maturation and up-regulation of CCR7 expression. By immunohistochemistry the presence of donor NK cells was confirmed in pre-transplant kidneys. CONCLUSIONS We propose that after kidney transplantation IL-15 activated donor derived NK cells interact with recipient DC with less activation of indirect allo-reactivity in HLA-C2 positive recipients than HLA-C1 positive recipients; this has implications for long-term graft survival. Early events following kidney transplantation involving NK-DC interaction via KIR and HLA-C immune synapse may have a central role in long-term kidney transplant outcomes.
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Affiliation(s)
- Raj Hanvesakul
- Renal Institute of Birmingham, University Hospital Birmingham, Birmingham, United Kingdom.
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Expansion of a unique CD57⁺NKG2Chi natural killer cell subset during acute human cytomegalovirus infection. Proc Natl Acad Sci U S A 2011; 108:14725-32. [PMID: 21825173 DOI: 10.1073/pnas.1110900108] [Citation(s) in RCA: 627] [Impact Index Per Article: 48.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
During human CMV infection, there is a preferential expansion of natural killer (NK) cells expressing the activating CD94-NKG2C receptor complex, implicating this receptor in the recognition of CMV-infected cells. We hypothesized that NK cells expanded in response to pathogens will be marked by expression of CD57, a carbohydrate antigen expressed on highly mature cells within the CD56(dim)CD16(+) NK cell compartment. Here we demonstrate the preferential expansion of a unique subset of NK cells coexpressing the activating CD94-NKG2C receptor and CD57 in CMV(+) donors. These CD57(+)NKG2C(hi) NK cells degranulated in response to stimulation through their NKG2C receptor. Furthermore, CD57(+)NKG2C(hi) NK cells preferentially lack expression of the inhibitory NKG2A receptor and the inhibitory KIR3DL1 receptor in individuals expressing its HLA-Bw4 ligand. Moreover, in solid-organ transplant recipients with active CMV infection, the percentage of CD57(+)NKG2C(hi) NK cells in the total NK cell population preferentially increased. During acute CMV infection, the NKG2C(+) NK cells proliferated, became NKG2C(hi), and finally acquired CD57. Thus, we propose that CD57 might provide a marker of "memory" NK cells that have been expanded in response to infection.
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Role of common-gamma chain cytokines in NK cell development and function: perspectives for immunotherapy. J Biomed Biotechnol 2011; 2011:861920. [PMID: 21716670 PMCID: PMC3118299 DOI: 10.1155/2011/861920] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Accepted: 03/14/2011] [Indexed: 12/22/2022] Open
Abstract
NK cells are components of the innate immunity system and play an important role as a first-line defense mechanism against viral infections and in tumor immune surveillance. Their development and their functional activities are controlled by several factors among which cytokines sharing the usage of the common cytokine-receptor gamma chain play a pivotal role. In particular, IL-2, IL-7, IL-15, and IL-21 are the members of this family predominantly involved in NK cell biology. In this paper, we will address their role in NK cell ontogeny, regulation of functional activities, development of specialized cell subsets, and acquisition of memory-like functions. Finally, the potential application of these cytokines as recombinant molecules to NK cell-based immunotherapy approaches will be discussed.
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Imahashi N, Inamoto Y, Seto A, Watanabe K, Nishiwaki S, Yanagisawa M, Shinba M, Yasuda T, Kuwatsuka Y, Atsuta Y, Kodera Y, Miyamura K. Impact on relapse of corticosteroid therapy after allogeneic hematopoietic stem cell transplantation for acute myeloid leukemia. Clin Transplant 2011; 24:772-7. [PMID: 19925467 DOI: 10.1111/j.1399-0012.2009.01158.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Corticosteroids are often used following allogeneic hematopoietic stem cell transplantation (HSCT) to control complications such as graft-versus-host disease (GVHD). However, there is some concern that corticosteroids may suppress the graft-versus-leukemia effect and increase leukemia relapse. To evaluate the effect of corticosteroids on relapse, we analyzed 112 adult patients who received their first allogeneic HSCT for acute myeloid leukemia at our institution between 1997 and 2007. Fifty-seven patients (50.9%) received corticosteroid therapy. Patients who had corticosteroid therapy included higher proportion of patients who developed GVHD. In multivariate analysis, with corticosteroid administration entered as a time-dependent covariate, corticosteroid administration was not a risk factor for relapse (p = 1.00, hazard ratio [HR] 1.00, 95% confidence interval [CI] 0.53-1.88), but it was associated with higher non-relapse mortality (NRM) (p < 0.001, HR 55.5, 95% CI 7.42-416) and lower overall survival (p < 0.001, HR 2.68, 95% CI 1.56-4.61). The higher NRM associated with corticosteroid administration was mainly due to the increased deaths caused by the complications themselves, which required corticosteroid therapy. The findings of this study indicate the importance of controlling complications after allogeneic HSCT. The strategy of refraining from indispensable corticosteroid therapy because of the excessive concerns about relapse should be avoided.
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Affiliation(s)
- Nobuhiko Imahashi
- Department of Hematology, Japanese Red Cross Nagoya First Hospital, Nagoya University, School of Medicine, Nagoya, Japan.
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Braunschweig A, Poehlmann TG, Busch S, Schleussner E, Markert UR. Signal Transducer and Activator of Transcription 3 (STAT3) and Suppressor of Cytokine Signaling (SOCS3) Balance Controls Cytotoxicity and IL-10 Expression in Decidual-Like Natural Killer Cell Line NK-92. Am J Reprod Immunol 2011; 66:329-35. [DOI: 10.1111/j.1600-0897.2011.00989.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Krukowski K, Eddy J, Kosik KL, Konley T, Janusek LW, Mathews HL. Glucocorticoid dysregulation of natural killer cell function through epigenetic modification. Brain Behav Immun 2011; 25:239-49. [PMID: 20656012 PMCID: PMC2989339 DOI: 10.1016/j.bbi.2010.07.244] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 07/11/2010] [Accepted: 07/18/2010] [Indexed: 11/18/2022] Open
Abstract
It is well-established that psychological distress reduces natural killer cell activity (NKCA) and dysregulates cytokine balance. This may be mediated by stress-induced release of glucocorticoids, which have broad effects on the immune system, including the suppression of NKCA and alteration of cytokine production. The purpose of this study was to evaluate epigenetic mechanisms that may underlie the effect of glucocorticoids on NK cells, using the human NK cell line, NK92. Treatment of NK92 cells with the synthetic glucocorticoid, dexamethasone, at a concentration of 10⁻⁷M, produced a significant reduction in NKCA. Glucocorticoid inhibition was a consequence of not only a reduced capacity of the NK cells to bind to tumor targets but also a reduced production of granule constituents (perforin and granzyme B) with no detectable effect on granule exocytosis. Glucocorticoids also reduced the constitutive and the stimulated production of the cytokines, IL-6, TNF alpha and IFN gamma, and reduced the surface expression of LFA-1. Glucocorticoid treatment also reduced global histone acetylation, the acetylation of histone 4 lysine position 8, and the accessibility of the proximal promoters of perforin, interferon gamma and granzyme B. Histone acetylation was recovered by treatment of the NK cells with a histone deacetylase inhibitor, which also restored NKCA and IFN gamma production. These results demonstrate glucocorticoids to dysregulate NK cell function at least in part through an epigenetic mechanism, which reduces promoter accessibility through modification of histone acetylation status. This epigenetic modification decreases the expression of effector proteins necessary to the full functional activity of NK cells.
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Affiliation(s)
- Karen Krukowski
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University of Chicago, Maywood, IL 60153 USA
| | - Justin Eddy
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University of Chicago, Maywood, IL 60153 USA
| | - Kelly Loster Kosik
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University of Chicago, Maywood, IL 60153 USA
| | - Teresa Konley
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University of Chicago, Maywood, IL 60153 USA
| | - Linda Witek Janusek
- Marcella Niehoff School of Nursing, Loyola University of Chicago, Maywood, IL 60153 USA
| | - Herbert L. Mathews
- Department of Microbiology and Immunology, Stritch School of Medicine, Loyola University of Chicago, Maywood, IL 60153 USA
- Correspondence author. Herbert L. Mathews, Department of Microbiology and Immunology, Loyola University of Chicago, 2160 South First Ave., Maywood, IL 60153 USA. Tel. (708) 216-4586, Fax. (708) 216-9574,
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Ogbomo H, Biru T, Michaelis M, Loeschmann N, Doerr HW, Cinatl J. The anti-tumoral drug enzastaurin inhibits natural killer cell cytotoxicity via activation of glycogen synthase kinase-3β. Biochem Pharmacol 2011; 81:251-8. [DOI: 10.1016/j.bcp.2010.09.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2010] [Revised: 09/06/2010] [Accepted: 09/28/2010] [Indexed: 01/18/2023]
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Hadaya K, Avila Y, Valloton L, de Rham C, Bandelier C, Ferrari-Lacraz S, Pascual M, Pantaleo G, Martin PY, Buhler L, Villard J. Natural killer cell receptor—Repertoire and functions after induction therapy by polyclonal rabbit anti-thymocyte globulin in unsensitized kidney transplant recipients. Clin Immunol 2010; 137:250-60. [DOI: 10.1016/j.clim.2010.07.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2010] [Revised: 06/21/2010] [Accepted: 07/18/2010] [Indexed: 01/02/2023]
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Ogbomo H, Michaelis M, Altenbrandt B, Doerr HW, Cinatl J. A novel immunomodulatory mechanism of ribavirin in suppressing natural killer cell function. Biochem Pharmacol 2010; 79:188-97. [DOI: 10.1016/j.bcp.2009.07.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2009] [Revised: 07/30/2009] [Accepted: 07/31/2009] [Indexed: 01/13/2023]
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Ogbomo H, Michaelis M, Geiler J, van Rikxoort M, Muster T, Egorov A, Doerr HW, Cinatl J. Tumor cells infected with oncolytic influenza A virus prime natural killer cells for lysis of resistant tumor cells. Med Microbiol Immunol 2009; 199:93-101. [PMID: 20012989 DOI: 10.1007/s00430-009-0139-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2009] [Indexed: 12/13/2022]
Abstract
Tumor resistance to lysis by resting natural killer (NK) cells may be overcome by priming of NK cells with cytokines or by binding of NK activating receptors to ligands expressed on target cells. In this study, major histocompatibility complex class I (MHC-I)-negative LNCaP and MHC-I-positive DU145 cells were infected with genetically modified influenza A virus lacking the non-structural gene 1 (NS1 IAV). The cells were used to investigate the influence of NS1 IAV infection on NK cell lysis of tumor cells as well as to prime NK cells for lysis of LNCaP and DU145 cells. While LNCaP cells infected with DeltaNS1 IAV showed enhanced lysis when compared with mock-infected cells (93% +/- 1.47 vs. 52% +/- 0.74), both mock-infected and DeltaNS1 IAV-infected DU145 cells were resistant to NK cell lysis. Moreover, NK cells primed with DeltaNS1 IAV-infected LNCaP/DU145 cells effectively lysed resistant DU145 and sensitive LNCaP cells to a greater extent than NK cells primed with mock-infected LNCaP/DU145 or non-primed NK cells. Also, NK cell priming with DeltaNS1 IAV-infected tumor cells enhanced extracellular signal-regulated kinase phosphorylation and increased granule release in NK cells. The increased granule release was specifically mediated by NKp46, which eventually potentiated NK cells primed with DeltaNS1 IAV-infected tumor cells to overcome the inhibitory effects posed by MHC-I expression on DU145 cells. These findings show that in addition to direct lytic activity of NK cells, DeltaNS1 IAV may influence anti-tumoral responses by priming NK cells.
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Affiliation(s)
- Henry Ogbomo
- Institut für Medizinische Virologie, Klinikum der Johann Wolfgang Goethe-Universität, Frankfurt am Main, Germany
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Abstract
As our understanding of the molecular mechanisms governing natural killer (NK) cell activity increases, their potential in cancer immunotherapy is growing increasingly prominent. This review analyses the currently available preclinical and clinical data regarding NK cell-based immunotherapeutic approaches in cancer starting from a historical background and an overview of molecular mechanisms taking part in NK cell responses. The status of NK cells in cancer patients, currently investigated clinical applications such as in vivo modulation of NK cell activity, ex vivo purification/expansion and adoptive transfer as well as future possibilities such as genetic modifications are discussed in detail.
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Affiliation(s)
- T Sutlu
- Division of Haematology, Department of Medicine, Karolinska University Hospital Huddinge, Karolinska Institutet, Stockholm, Sweden
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