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Han J, Son H, Jung D, Kim KY, Jin C, Hwang H, Kang SS, Mitalipov S, An HJ, Lee Y, Kang E. Comparison of Natural Killer Cells Differentiated from Various Pluripotent Stem Cells. Int J Mol Sci 2024; 25:8209. [PMID: 39125777 PMCID: PMC11311719 DOI: 10.3390/ijms25158209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/03/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
Allogeneic natural killer (NK) cell therapy has been effective in treating cancer. Many studies have tested NK cell therapy using human pluripotent stem cells (hPSCs). However, the impacts of the origin of PSC-NK cells on competence are unclear. In this study, several types of hPSCs, including human-induced PSCs (hiPSCs) generated from CD34+, CD3-CD56+, and CD56- cells in umbilical cord blood (UCB), three lines of human embryonic stem cells (hESCs, ES-1. ES-2 and ES-3) and MHC I knockout (B2M-KO)-ESCs were used to differentiate into NK cells and their capacities were analyzed. All PSC types could differentiate into NK cells. Among the iPSC-derived NK cells (iPSC-NKs) and ESC-derived NK cells (ES-NKs), 34+ iPSCs and ES-3 had a higher growth rate and cytotoxicity, respectively, ES-3 also showed better efficacy than 34+ iPSCs. B2M-KO was similar to the wild type. These results suggest that the screening for differentiation of PSCs into NK cells prior to selecting the PSC lines for the development of NK cell immunotherapy is an essential process for universal allotransplantation, including the chimeric antigen receptor (CAR).
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Affiliation(s)
- Jongsuk Han
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
| | - Hyeongbin Son
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
| | - Daun Jung
- Department of Pathology, CHA Bundang Medical Center, CHA University, Sungnam-si 13496, Gyeonggi-do, Republic of Korea; (D.J.); (K.-Y.K.); (H.-J.A.)
| | - Ki-Yeon Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Sungnam-si 13496, Gyeonggi-do, Republic of Korea; (D.J.); (K.-Y.K.); (H.-J.A.)
| | - Chaeyeon Jin
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
| | - Hyeonwook Hwang
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
| | - Soon-Suk Kang
- Cell Therapy 3 Center, CHA Advanced Research Institute, CHA Bundang Medical Center, Sungnam-si 13488, Gyeonggi-do, Republic of Korea;
| | - Shoukhrat Mitalipov
- Center for Embryonic Cell and Gene Therapy, Oregon Health and Science University, Portland, OR 97239, USA;
| | - Hee-Jung An
- Department of Pathology, CHA Bundang Medical Center, CHA University, Sungnam-si 13496, Gyeonggi-do, Republic of Korea; (D.J.); (K.-Y.K.); (H.-J.A.)
| | - Yeonmi Lee
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
- Cell Therapy 3 Center, CHA Advanced Research Institute, CHA Bundang Medical Center, Sungnam-si 13488, Gyeonggi-do, Republic of Korea;
| | - Eunju Kang
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea; (J.H.); (H.S.); (C.J.); (H.H.)
- Cell Therapy 3 Center, CHA Advanced Research Institute, CHA Bundang Medical Center, Sungnam-si 13488, Gyeonggi-do, Republic of Korea;
- Department of Biochemistry, School of Medicine, CHA University, Seongnam-si 13488, Gyeonggi-do, Republic of Korea
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Wallace R, Bliss CM, Parker AL. The Immune System-A Double-Edged Sword for Adenovirus-Based Therapies. Viruses 2024; 16:973. [PMID: 38932265 PMCID: PMC11209478 DOI: 10.3390/v16060973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Pathogenic adenovirus (Ad) infections are widespread but typically mild and transient, except in the immunocompromised. As vectors for gene therapy, vaccine, and oncology applications, Ad-based platforms offer advantages, including ease of genetic manipulation, scale of production, and well-established safety profiles, making them attractive tools for therapeutic development. However, the immune system often poses a significant challenge that must be overcome for adenovirus-based therapies to be truly efficacious. Both pre-existing anti-Ad immunity in the population as well as the rapid development of an immune response against engineered adenoviral vectors can have detrimental effects on the downstream impact of an adenovirus-based therapeutic. This review focuses on the different challenges posed, including pre-existing natural immunity and anti-vector immunity induced by a therapeutic, in the context of innate and adaptive immune responses. We summarise different approaches developed with the aim of tackling these problems, as well as their outcomes and potential future applications.
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Affiliation(s)
- Rebecca Wallace
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
| | - Carly M. Bliss
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
- Systems Immunity University Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Alan L. Parker
- Division of Cancer and Genetics, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK; (R.W.); (C.M.B.)
- Systems Immunity University Research Institute, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
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Jiang H, Jiang J. Balancing act: the complex role of NK cells in immune regulation. Front Immunol 2023; 14:1275028. [PMID: 38022497 PMCID: PMC10652757 DOI: 10.3389/fimmu.2023.1275028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
Natural killer (NK) cells, as fundamental components of innate immunity, can quickly react to abnormalities within the body. In-depth research has revealed that NK cells possess regulatory functions not only in innate immunity but also in adaptive immunity under various conditions. Multiple aspects of the adaptive immune process are regulated through NK cells. In our review, we have integrated multiple studies to illuminate the regulatory function of NK cells in regulating B cell and T cell responses during adaptive immune processes, focusing on aspects including viral infections and the tumor microenvironment (TME). These insights provide us with many new understandings on how NK cells regulate different phases of the adaptive immune response.
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Affiliation(s)
- Hongwei Jiang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute for Cell Therapy, Soochow University, Changzhou, Jiangsu, China
| | - Jingting Jiang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Jiangsu Engineering Research Center for Tumor Immunotherapy, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
- Institute for Cell Therapy, Soochow University, Changzhou, Jiangsu, China
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Mardomi A, Mohammadi N, Ahmadzadeh F, Abediankenari S. CTLA4-Ig alleviates the allogeneic immune responses against insulin-producing cells in a murine model of cell transplantation. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3195-3206. [PMID: 37231171 DOI: 10.1007/s00210-023-02527-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 05/10/2023] [Indexed: 05/27/2023]
Abstract
The adoptive transfer of insulin-producing cells (IPCs) is one of the promising treatments for insulin-dependent diabetes mellitus. While the use of allogeneic cell resources is inevitable in the case of a series of patients, alloimmune responses are a major barrier ahead of the successful implementation of allogeneic therapeutic cells. This study is aimed at evaluating the potential of CTLA4-Ig, as an approved immunomodulatory biologic, in protecting the IPCs against allogeneic immune responses. The C57BL/6 and BALB/c mice were used to establish a murine model of allogeneic cell transplantation. The mouse bone-marrow-derived mesenchymal stem cells were in vitro differentiated into IPCs, and the in vitro as well as the in vivo immune responses against IPCs were evaluated in the presence and absence of CTLA4-Ig. The allogeneic IPCs induced the in vitro activation of CD4+ T-cells, IFN-γ release, and the proliferation of lymphocytes, which all were controlled by CTLA4-Ig. Upon in vivo transfer of IPC into an allogeneic host, the splenic CD4+ and CD8+ T-cells exhibited a significant activation, and there was a significant donor-specific antibody response. Either of the mentioned cellular and humoral responses were modulated by a CTLA4-Ig regimen. This regimen also reduced the infiltration of CD3+ T-cells into the IPC injection site along with the improved overall survival of diabetic mice. CTLA4-Ig could be a complementary therapy for improving the efficacy of allogeneic IPC therapy through modulating the cellular and humoral responses that can lead to prolonged durability of IPCs within an allogeneic host.
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Affiliation(s)
- Alireza Mardomi
- Department of Medical Laboratory Sciences and Microbiology, Faculty of Medical Sciences, Tabriz Medical Sciences, Islamic Azad University, Tabriz, Iran
| | - Nabiallah Mohammadi
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fatemeh Ahmadzadeh
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Saeid Abediankenari
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran.
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Shegarfi H. Recognition of Listeria monocytogenes infection by natural killer cells: Towards a complete picture by experimental studies in rats. Innate Immun 2023; 29:110-121. [PMID: 37285590 PMCID: PMC10468624 DOI: 10.1177/17534259231178223] [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: 12/14/2022] [Revised: 04/11/2023] [Accepted: 05/08/2023] [Indexed: 06/09/2023] Open
Abstract
The study of cellular immune responses in animal disease models demands detailed knowledge of development, function, and regulation of immune cells, including natural killer (NK) cells. Listeria monocytogenes (LM) bacterium has been explored in a large area of research fields, including the host pathogen interaction. Although the importance role of NK cells in controlling the first phase of LM burden has been investigated, the interaction between NK cells and infected cells in details are far from being comprehended. From in vivo and in vitro experiments, we can drive several important pieces of knowledge that hopefully contribute to illuminating the intercommunication between LM-infected cells and NK cells. Experimental studies performed in rats revealed that certain NK cell ligands are influenced in LM-infected cells. These ligands include both classical- and non-classical MHC class I molecules and C-type lectin related (Clr) molecules that are ligands for Ly49- and NKR-P1 receptors respectively. Interaction between these receptors:ligands during LM infection, demonstrated stimulation of rat NK cells. Hence, these studies provided additional knowledge to the mechanisms NK cells utilise to recognise and respond to LM infection outlined in the current review.
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Mushtaq MU, Shahzad M, Shah AY, Chaudhary SG, Zafar MU, Anwar I, Neupane K, Khalid A, Ahmed N, Bansal R, Balusu R, Singh AK, Abhyankar SH, Callander NS, Hematti P, McGuirk JP. Impact of natural killer cells on outcomes after allogeneic hematopoietic stem cell transplantation: A systematic review and meta-analysis. Front Immunol 2022; 13:1005031. [PMID: 36263054 PMCID: PMC9574024 DOI: 10.3389/fimmu.2022.1005031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Background Natural killer (NK) cells play a vital role in early immune reconstitution following allogeneic hematopoietic stem cell transplantation (HSCT). Methods A literature search was performed on PubMed, Cochrane, and Clinical trials.gov through April 20, 2022. We included 21 studies reporting data on the impact of NK cells on outcomes after HSCT. Data was extracted following the PRISMA guidelines. Pooled analysis was done using the meta-package (Schwarzer et al.). Proportions with 95% confidence intervals (CI) were computed. Results We included 1785 patients from 21 studies investigating the impact of NK cell reconstitution post-HSCT (8 studies/1455 patients), stem cell graft NK cell content (4 studies/185 patients), therapeutic NK cell infusions post-HSCT (5 studies/74 patients), and pre-emptive/prophylactic NK cell infusions post-HSCT (4 studies/77 patients). Higher NK cell reconstitution was associated with a better 2-year overall survival (OS) (high: 77%, 95%CI 0.73-0.82 vs low: 55%, 95%CI 0.37-0.72; n=899), however, pooled analysis for relapse rate (RR) or graft versus host disease (GVHD) could not be performed due to insufficient data. Higher graft NK cell content demonstrated a trend towards a better pooled OS (high: 65.2%, 95%CI 0.47-0.81 vs low: 46.5%, 95%CI 0.24-0.70; n=157), lower RR (high: 16.9%, 95%CI 0.10-0.25 vs low: 33%, 95%CI 0.04-0.72; n=157), and lower acute GVHD incidence (high: 27.6%, 95%CI 0.20-0.36 vs low: 49.7%, 95%CI 0.26-0.74; n=157). Therapeutic NK or cytokine-induced killer (CIK) cell infusions for hematologic relapse post-HSCT reported an overall response rate (ORR) and complete response (CR) of 48.9% and 11% with CIK cell infusions and 82.8% and 44.8% with NK cell infusions, respectively. RR, acute GVHD, and chronic GVHD were observed in 55.6% and 51.7%, 34.5% and 20%, and 20.7% and 11.1% of patients with CIK and NK cell infusions, respectively. Pre-emptive donor-derived NK cell infusions to prevent relapse post-HSCT had promising outcomes with 1-year OS of 69%, CR rate of 42%, ORR of 77%, RR of 28%, and acute and chronic GVHD rates of 24.9% and 3.7%, respectively. Conclusion NK cells have a favorable impact on outcomes after HSCT. The optimal use of NK cell infusions post-HSCT may be in a pre-emptive fashion to prevent disease relapse.
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Affiliation(s)
- Muhammad Umair Mushtaq
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Moazzam Shahzad
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
- Moffitt Cancer Center, University of South Florida, Tampa, FL, United States
| | - Amna Y. Shah
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sibgha Gull Chaudhary
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Muhammad U. Zafar
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Iqra Anwar
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Karun Neupane
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Ayesha Khalid
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Nausheen Ahmed
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Rajat Bansal
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Ramesh Balusu
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Anurag K. Singh
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sunil H. Abhyankar
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Natalie S. Callander
- University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Peiman Hematti
- University of Wisconsin School of Medicine and Public Health, Madison, WI, United States
| | - Joseph P. McGuirk
- Division of Hematologic Malignancies & Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
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Szlasa W, Janicka N, Sauer N, Michel O, Nowak B, Saczko J, Kulbacka J. Chemotherapy and Physical Therapeutics Modulate Antigens on Cancer Cells. Front Immunol 2022; 13:889950. [PMID: 35874714 PMCID: PMC9299262 DOI: 10.3389/fimmu.2022.889950] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/06/2022] [Indexed: 12/29/2022] Open
Abstract
Cancer cells possess specific properties, such as multidrug resistance or unlimited proliferation potential, due to the presence of specific proteins on their cell membranes. The release of proliferation-related proteins from the membrane can evoke a loss of adaptive ability in cancer cells and thus enhance the effects of anticancer therapy. The upregulation of cancer-specific membrane antigens results in a better outcome of immunotherapy. Moreover, cytotoxic T-cells may also become more effective when stimulated ex-vivo toward the anticancer response. Therefore, the modulation of membrane proteins may serve as an interesting attempt in anticancer therapy. The presence of membrane antigens relies on various physical factors such as temperature, exposure to radiation, or drugs. Therefore, changing the tumor microenvironment conditions may lead to cancer cells becoming sensitized to subsequent therapy. This paper focuses on the therapeutic approaches modulating membrane antigens and enzymes in anticancer therapy. It aims to analyze the possible methods for modulating the antigens, such as pharmacological treatment, electric field treatment, photodynamic reaction, treatment with magnetic field or X-ray radiation. Besides, an overview of the effects of chemotherapy and immunotherapy on the immunophenotype of cancer cells is presented. Finally, the authors review the clinical trials that involved the modulation of cell immunophenotype in anticancer therapy.
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Affiliation(s)
- Wojciech Szlasa
- Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Natalia Janicka
- Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
| | - Natalia Sauer
- Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
| | - Olga Michel
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
| | - Bernadetta Nowak
- Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Jolanta Saczko
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
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Nie Y, Liu D, Yang W, Li Y, Zhang L, Cheng X, Chen R, Yuan B, Zhang G, Wang H. Increased expression of TIGIT and KLRG1 correlates with impaired CD56 bright NK cell immunity in HPV16-related cervical intraepithelial neoplasia. Virol J 2022; 19:68. [PMID: 35413989 PMCID: PMC9003970 DOI: 10.1186/s12985-022-01776-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/03/2022] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The onset and progression of cervical intraepithelial neoplasia (CIN) are closely associated with the persistent infection of high-risk HPV (especially type16), which is mainly caused by immune escape. Natural killer (NK) cells play an important role against virally infected cells and tumor cells through a fine balance of signals from multiple surface receptors. Overexpression of non-MHC-I specific inhibitory receptors TIGIT, KLRG1, Siglec-7, LAIR-1, and CD300a on NK cells correlates with cellular exhaustion and immune evasion, but these receptors have not been investigated in CIN. The aim of the present study was to examine the potential role of NK cell non-MHC-I specific inhibitory receptors expression in immune escape from HPV16(+)CIN patients. METHODS The subset distribution, IFN-γ and TNF-α expression levels and immunophenotype of TIGIT, KLRG1, Siglec-7, LAIR-1, and CD300a of NK cells were investigated in peripheral blood mononuclear cell samples by flow cytometry from 82 women who were HPV16(+) with CIN grades 0, I, II-III or HPV(-) CIN 0. Immunohistochemistry was applied to detect the expression of ligands for NK receptors in the cervical tissues. HPV types were identified by PCR assays. RESULTS The HPV16(+) subjects with high-grade lesions had an increased number of circulating peripheral blood CD56bright NK cells with reduced functionality and IFN-γ secretion. The expression levels of the inhibitory molecules TIGIT and KLRG1 on CD56bright NK cells increased in parallel with increasing CIN grade. In addition, TIGIT and KLRG1 related ligands, Poliovirus receptor (PVR), N-Cadherin and E-Cadherin expression level was also elevated with increasing CIN grade. CONCLUSIONS Our results suggest that up-regulation of the inhibitory TIGIT, KLRG1 and their ligands may negatively regulate cervical CD56bright NK-mediated immunity to HPV16 and contribute to the progression of CIN. These results may facilitate the development of early-warning immune predictors and therapeutic strategies for HPV16(+) CIN based on the TIGIT and KLRG1 inhibitory pathways of NK cells.
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Affiliation(s)
- You Nie
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China.,Basic Medicine College, Zhengzhou University, 100 Science Avenue, Henan, China
| | - Dandan Liu
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China
| | - Wen Yang
- Department of Gynaecology and Obstetrics, Chinese PLA (People's Liberation Army) General Hospital, Beijing, China
| | - Yazhuo Li
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China
| | - Lihua Zhang
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China
| | - Xia Cheng
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China
| | - Ruyu Chen
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China
| | - Bingbing Yuan
- Basic Medicine College, Zhengzhou University, 100 Science Avenue, Henan, China
| | - Guangzheng Zhang
- Basic Medicine College, Zhengzhou University, 100 Science Avenue, Henan, China.
| | - Hongwei Wang
- Department of Pathology, Fourth Medical Centre of Chinese PLA (People's Liberation Army) General Hospital, 51 Fucheng Road, Beijing, China.
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9
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The tricks for fighting against cancer using CAR NK cells: A review. Mol Cell Probes 2022; 63:101817. [DOI: 10.1016/j.mcp.2022.101817] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 01/07/2023]
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10
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Saad AA. Targeting cancer-associated glycans as a therapeutic strategy in leukemia. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2049901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Ashraf Abdullah Saad
- Unit of Pediatric Hematologic Oncology and BMT, Sultan Qaboos University Hospital, Muscat, Oman
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11
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NK cell and ILC heterogeneity in colorectal cancer. New perspectives from high dimensional data. Mol Aspects Med 2021; 80:100967. [PMID: 33941383 DOI: 10.1016/j.mam.2021.100967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 12/14/2022]
Abstract
Innate lymphoid cells (ILCs) and tissue-resident natural killer (NK) cells ensure immunity at environmental interfaces and help maintain barrier integrity of the intestinal tract. This wide range of innate lymphocytes is able to provide fast and potent inflammatory responses that, when deregulated, have been associated with pathogenesis of inflammatory bowel disease (IBD) and colorectal cancer (CRC). While the presence of tumor-infiltrating NK cells is generally associated with a favorable outcome in CRC patients, emerging evidence reveals distinct roles for ILCs in regulating CRC pathogenesis and progression. Advances in next generation sequencing technology, and in particular of single-cell RNA-seq approaches, along with multidimensional flow cytometry analysis, have helped to deconvolute the complexity and heterogeneity of the ILC system both in homeostatic and pathological contexts. In this review, we discuss the protective and detrimental roles of NK cells and ILCs in the pathogenesis of CRC, focusing on the phenotypic and transcriptional modifications these cells undergo during CRC development and progression.
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Structural plasticity of KIR2DL2 and KIR2DL3 enables altered docking geometries atop HLA-C. Nat Commun 2021; 12:2173. [PMID: 33846289 PMCID: PMC8041999 DOI: 10.1038/s41467-021-22359-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 03/12/2021] [Indexed: 01/07/2023] Open
Abstract
The closely related inhibitory killer-cell immunoglobulin-like receptors (KIR), KIR2DL2 and KIR2DL3, regulate the activation of natural killer cells (NK) by interacting with the human leukocyte antigen-C1 (HLA-C1) group of molecules. KIR2DL2, KIR2DL3 and HLA-C1 are highly polymorphic, with this variation being associated with differences in the onset and progression of some human diseases. However, the molecular bases underlying these associations remain unresolved. Here, we determined the crystal structures of KIR2DL2 and KIR2DL3 in complex with HLA-C*07:02 presenting a self-epitope. KIR2DL2 differed from KIR2DL3 in docking modality over HLA-C*07:02 that correlates with variabilty of recognition of HLA-C1 allotypes. Mutagenesis assays indicated differences in the mechanism of HLA-C1 allotype recognition by KIR2DL2 and KIR2DL3. Similarly, HLA-C1 allotypes differed markedly in their capacity to inhibit activation of primary NK cells. These functional differences derive, in part, from KIR2DS2 suggesting KIR2DL2 and KIR2DL3 binding geometries combine with other factors to distinguish HLA-C1 functional recognition.
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Rheumatoid Arthritis Susceptibility Is Associated with the KIR2DS4-Full of Killer-Cell Immunoglobulin-Like Receptor Genes in the Lur Population of Iran. Rep Biochem Mol Biol 2021; 10:84-94. [PMID: 34277872 DOI: 10.52547/rbmb.10.1.84] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 12/13/2020] [Indexed: 12/22/2022]
Abstract
Background The pathophysiology underlying the progression and development of autoimmune conditions, such as Rheumatoid Arthritis (RA), is a result of dysregulations of the immune system. Research has explored the genetic alterations present in RA; however, limited studies have examined the role of Killer cell Immunoglobulin-like Receptors (KIR) and Human Leukocyte Antigen (HLA) molecules in RA. Therefore, the aim of this study was to examine KIR genes, their HLA ligands, and KIR-HLA compounds in patients with RA. Methods In this case-control study, a total of 50 patients with RA and 100 healthy individuals were enrolled. DNA samples were evaluated using PCR with sequence specific Primers (PCR-SSP). Odds ratio (OR) with a 95% confidence interval (CI) were reported. Results Among the KIR genes examined, KIR2DLA (p= 0.0255, OR= 0.389, 95% CI= 0.210-0.722) and KIR2DS4-full (p< 0.0001, OR= 6.163, 95% CI= 3.174-11.968) were observed to have a statistically significant correlation with disease susceptibility to RA. As an inhibitory gene, KIR2DLA was observed to have a protective effect against RA while KIR2DS4-full as an activating gene, was found to increase risk for RA. No significant associations were found between any of the other KIR genotypes, HLA ligands, or KIR-HLA compounds examined in this study to RA susceptibility. Conclusion In this study of RA in the Lur population of Iran, KIR2DS4-full was observed to increase susceptibility to RA, while KIR2DL5A was found to act as a protecting factor based on both the cross Table and regression analyses. Further research should focus on repeating this study in additional populations.
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Kumar V. The Accidental Pathologist: A Curiosity-Driven Journey from Plant Evolution to Innate Immunity. ANNUAL REVIEW OF PATHOLOGY-MECHANISMS OF DISEASE 2021; 16:1-22. [PMID: 33497261 DOI: 10.1146/annurev-pathmechdis-012419-032855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
I have had the singular opportunity to perform research and to participate in medical education. Not unexpectedly, people have asked me which of the two was more important to me. My answer has always been and remains that I am equally passionate about research and teaching. My research has been curiosity driven and not purposeful; hence, I was willing to take risks. That my research led to the discovery of natural killer cells and the unraveling of the molecular basis of a human disease was an unexpected reward. By contrast, my interest in medical education was purposeful, with the goal of improving healthcare by teaching pathology as the scientific foundation of medicine. It started with participation in Robbins pathology texts but progressed toward development of technology-based tools for medical education. This was driven by the belief that technology, by providing equal access to knowledge across the world, can be a powerful democratizing force.
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Affiliation(s)
- Vinay Kumar
- Department of Pathology, Biologic Sciences Division, and The Pritzker Medical School, University of Chicago, Chicago, Illinois 60637, USA;
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15
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Reindl LM, Albinger N, Bexte T, Müller S, Hartmann J, Ullrich E. Immunotherapy with NK cells: recent developments in gene modification open up new avenues. Oncoimmunology 2020; 9:1777651. [PMID: 33457093 PMCID: PMC7781759 DOI: 10.1080/2162402x.2020.1777651] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 12/13/2022] Open
Abstract
Chimeric antigen receptor (CAR)-T cell therapies have achieved remarkable success. However, application-related toxicities, such as cytokine release syndrome or neurotoxicity, moved natural killer (NK) cells into focus as novel players in immunotherapy. CAR-NK cells provide an advantageous dual killing-capacity by CAR-dependent and -independent mechanisms and induce few side effects. While the majority of trials still use CAR-T cells, CAR-NK cell trials are on the rise with 19 ongoing studies worldwide. This review illuminates the current state of research and clinical application of CAR-NK cells, as well as future developmental potential.
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Affiliation(s)
- Lisa Marie Reindl
- Children’s Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany
- Experimental Immunology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Nawid Albinger
- Children’s Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany
- Experimental Immunology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Tobias Bexte
- Children’s Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany
- Experimental Immunology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Stephan Müller
- Children’s Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany
- Experimental Immunology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Jessica Hartmann
- Division of Medical Biotechnology, Paul-Ehrlich-Institute, Langen, Germany
| | - Evelyn Ullrich
- Children’s Hospital, Goethe-University Frankfurt, Frankfurt am Main, Germany
- Experimental Immunology, Goethe University Frankfurt, Frankfurt am Main, Germany
- Frankfurt Cancer Institute, Goethe University, Frankfurt am Main, Germany
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16
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Elbaşı MO, Tulunay A, Karagözoğlu H, Kahraman S, Ekşioğlu-Demiralp E. Maternal killer-cell immunoglobulin-like receptors and paternal human leukocyte antigen ligands in recurrent pregnancy loss cases in Turkey. Clin Exp Reprod Med 2020; 47:122-129. [PMID: 32450627 PMCID: PMC7315865 DOI: 10.5653/cerm.2019.03223] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 01/02/2020] [Indexed: 11/10/2022] Open
Abstract
Objective The survival of a semi-allogeneic fetus depends on several immunological mechanisms, and it has been suggested that recurrent pregnancy loss (RPL) could develop as a result of one or more immunological abnormalities. Methods Compatibility between partners for human leukocyte antigen (HLA) genotypes and the relationships between maternal killer-cell immunoglobulin-like receptor (KIR) and paternal HLA-Bw4/Bw6 and HLA-C1/C2 supra-groups were investigated in 25 couples with RPL in comparison to healthy couples with children. HLA and KIR genotyping was performed using polymerase chain reaction with sequence-specific primers and/or sequence-specific oligonucleotides. Results HLA class I incompatibility between partners, especially in HLA-B alleles, was more common in the RPL group (p= 0.01). HLA-C2 homozygosity was more frequent in the male partners of RPL couples than in other groups (p= 0.03). The KIR2DL5 gene frequency was significantly higher in both the female and male partners of RPL couples, whereas the KIR2DS3 gene frequency in male partners of RPL couples was significantly reduced (p= 0.03). The presence of KIR2DL3 in women with RPL was correlated with the presence of HLA-C2 alleles in their spouses (p= 0.03). Conclusion Our data from a Turkish population suggest that male HLA-C2 homozygosity may play an important role in RPL. Additionally, an incidental match between male HLA-C2 and female HLA-C1 ligand KIR receptors might perturb the balance between activatory and inhibitory KIR-ligand interactions during pregnancy in couples affected by RPL. The roles of orphan KIR2DL5 and orphan KIR2DS3 in RPL remain obscure.
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Affiliation(s)
- Mehmet Onur Elbaşı
- Tissue Typing and Immunology Laboratory, Istanbul Memorial Hospital, Istanbul, Turkey
| | - Aysın Tulunay
- Department of Immunology, Marmara University, School of Medicine, Istanbul, Turkey
| | - Hale Karagözoğlu
- Karagözoğlu Clinic for Obstetrics and Gynecology and IVF, Istanbul, Turkey
| | - Semra Kahraman
- In Vitro Fertilization Unit, Istanbul Memorial Hospital, Istanbul, Turkey
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17
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Sabry M, Lowdell MW. Killers at the crossroads: The use of innate immune cells in adoptive cellular therapy of cancer. Stem Cells Transl Med 2020; 9:974-984. [PMID: 32416056 PMCID: PMC7445022 DOI: 10.1002/sctm.19-0423] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 04/01/2020] [Accepted: 04/18/2020] [Indexed: 12/16/2022] Open
Abstract
Adoptive cell therapy (ACT) is an approach to cancer treatment that involves the use of antitumor immune cells to target residual disease in patients after completion of chemo/radiotherapy. ACT has several advantages compared with other approaches in cancer immunotherapy, including the ability to specifically expand effector cells in vitro before selection for adoptive transfer, as well as the opportunity for host manipulation in order to enhance the ability of transferred cells to recognize and kill established tumors. One of the main challenges to the success of ACT in cancer clinical trials is the identification and generation of antitumor effector cells with high avidity for tumor recognition. Natural killer (NK) cells, cytokine‐induced killers and natural killer T cells are key innate or innate‐like effector cells in cancer immunosurveillance that act at the interface between innate and adaptive immunity, to have a greater influence over immune responses to cancer. In this review, we discuss recent studies that highlight their potential in cancer therapy and summarize clinical trials using these effector immune cells in adoptive cellular therapy for the treatment of cancer.
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Affiliation(s)
- May Sabry
- Department of HaematologyUniversity College LondonLondonUK
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18
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Shima Y, Morita D, Mizutani T, Mori N, Mikami B, Sugita M. Crystal structures of lysophospholipid-bound MHC class I molecules. J Biol Chem 2020; 295:6983-6991. [PMID: 32269076 PMCID: PMC7242709 DOI: 10.1074/jbc.ra119.011932] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 04/03/2020] [Indexed: 01/07/2023] Open
Abstract
Newly synthesized major histocompatibility complex (MHC) class I proteins are stabilized in the endoplasmic reticulum (ER) by binding 8-10-mer-long self-peptide antigens that are provided by transporter associated with antigen processing (TAP). These MHC class I:peptide complexes then exit the ER and reach the plasma membrane, serving to sustain the steady-state MHC class I expression on the cell surface. A novel subset of MHC class I molecules that preferentially bind lipid-containing ligands rather than conventional peptides was recently identified. The primate classical MHC class I allomorphs, Mamu-B*098 and Mamu-B*05104, are capable of binding the N-myristoylated 5-mer (C14-Gly-Gly-Ala-Ile-Ser) or 4-mer (C14-Gly-Gly-Ala-Ile) lipopeptides derived from the N-myristoylated SIV Nef protein, respectively, and of activating lipopeptide antigen-specific cytotoxic T lymphocytes. We herein demonstrate that Mamu-B*098 samples lysophosphatidylethanolamine and lysophosphatidylcholine containing up to a C20 fatty acid in the ER. The X-ray crystal structures of Mamu-B*098 and Mamu-B*05104 complexed with lysophospholipids at high resolution revealed that the B and D pockets in the antigen-binding grooves of these MHC class I molecules accommodate these lipids through a monoacylglycerol moiety. Consistent with the capacity to bind cellular lipid ligands, these two MHC class I molecules did not require TAP function for cell-surface expression. Collectively, these results indicate that peptide- and lipopeptide-presenting MHC class I subsets use distinct sources of endogenous ligands.
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Affiliation(s)
- Yoko Shima
- Laboratory of Cell Regulation, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan,Laboratory of Cell Regulation and Molecular Network, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Daisuke Morita
- Laboratory of Cell Regulation, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan,Laboratory of Cell Regulation and Molecular Network, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan, To whom correspondence should be addressed:
Laboratory of Cell Regulation, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan. E-mail:
| | - Tatsuaki Mizutani
- Laboratory of Cell Regulation, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan,Laboratory of Cell Regulation and Molecular Network, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
| | - Naoki Mori
- Laboratory of Chemical Ecology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan
| | - Bunzo Mikami
- Laboratory of Applied Structural Biology, Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - Masahiko Sugita
- Laboratory of Cell Regulation, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan,Laboratory of Cell Regulation and Molecular Network, Graduate School of Biostudies, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
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19
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Chen S, Li D, Wang Y, Li Q, Dong Z. Regulation of MHC class I-independent NK cell education by SLAM family receptors. Adv Immunol 2019; 145:159-185. [PMID: 32081197 DOI: 10.1016/bs.ai.2019.11.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Seven members of signaling lymphocytic activation molecule (SLAM) family receptors (SFRs) are ubiquitously expressed on hematopoietic cells and they play critical roles in immune cell differentiation and activation. The engagement of these receptors transmits intracellular signaling mainly by recruiting SLAM-associated protein (SAP) and its related adaptors, EWS-FLI1-activated transcript-2 (EAT-2) and EAT-2-related transducer (ERT). The critical roles of SFRs and SAP-family adaptors are highlighted by the discovery that SAP is mutated in human X-linked lymphoproliferative (XLP1) disease in which the contact between T and B cells in germinal center and cytotoxic lymphocytes (NK cells and CD8+ T cells) function are severely compromised. These immune defects are closely associated with the defective antibody production and the high incidence of lymphoma in the patients with XLP1. In addition to these well-known functions, SLAM-SAP family is involved in NK cell education, a process describing NK cell functional competence. In this chapter, we will mainly discuss these unappreciated roles of SAP-dependent and SAP-independent SFR signaling in regulating MHC-I-independent NK cell education.
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Affiliation(s)
- Shasha Chen
- School of Medicine and Institute for Immunology, Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China.
| | - Dan Li
- School of Medicine and Institute for Immunology, Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China
| | - Yuande Wang
- School of Medicine and Institute for Immunology, Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China
| | - Qiaozhen Li
- School of Medicine and Institute for Immunology, Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China
| | - Zhongjun Dong
- School of Medicine and Institute for Immunology, Beijing Key Lab for Immunological Research on Chronic Diseases, Tsinghua University, Beijing, China.
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20
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Natural Killer Cells as Allogeneic Effectors in Adoptive Cancer Immunotherapy. Cancers (Basel) 2019; 11:cancers11060769. [PMID: 31163679 PMCID: PMC6628161 DOI: 10.3390/cancers11060769] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 05/25/2019] [Accepted: 05/30/2019] [Indexed: 02/07/2023] Open
Abstract
Natural killer (NK) cells are attractive within adoptive transfer settings in cancer immunotherapy due to their potential for allogeneic use; their alloreactivity is enhanced under conditions of killer immunoglobulin-like receptor (KIR) mismatch with human leukocyte antigen (HLA) ligands on cancer cells. In addition to this, NK cells are platforms for genetic modification, and proliferate in vivo for a shorter time relative to T cells, limiting off-target activation. Current clinical studies have demonstrated the safety and efficacy of allogeneic NK cell adoptive transfer therapies as a means for treatment of hematologic malignancies and, to a lesser extent, solid tumors. However, challenges associated with sourcing allogeneic NK cells have given rise to controversy over the contribution of NK cells to graft-versus-host disease (GvHD). Specifically, blood-derived NK cell infusions contain contaminating T cells, whose activation with NK-stimulating cytokines has been known to lead to heightened release of proinflammatory cytokines and trigger the onset of GvHD in vivo. NK cells sourced from cell lines and stem cells lack contaminating T cells, but can also lack many phenotypic characteristics of mature NK cells. Here, we discuss the available published evidence for the varying roles of NK cells in GvHD and, more broadly, their use in allogeneic adoptive transfer settings to treat various cancers.
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21
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Jin Y, Sun Z, Geng J, Yang L, Song Z, Song H, Wang J, Tang J. IL-21 reinvigorates exhausted natural killer cells in patients with HBV-associated hepatocellular carcinoma in STAT1-depedent pathway. Int Immunopharmacol 2019; 70:1-8. [PMID: 30780004 DOI: 10.1016/j.intimp.2019.02.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/22/2019] [Accepted: 02/04/2019] [Indexed: 01/10/2023]
Abstract
Hepatocellular carcinoma (HCC) is the most common liver malignancy with dismal prognosis and limited treatment options. Natural killer (NK) cells are critical components of antitumor immunity due to their capacity to eliminate MHC class I-deficient cells. To evaluate the function of NK cells in HCC patients, circulating CD3-CD56+ NK cells were collected from HBV-associated HCC patients and healthy control individuals. Compared to NK cells from healthy controls, NK cells from HCC patients presented functional impairment, characterized by significantly reduced cytotoxicity, degranulation, and cytokine production. Exogenous IL-21 could reinvigorate NK cells from HCC patients, resulting in significantly increased levels of cytotoxicity, degranulation, and cytokine expression. However, IL-21-treated NK cells from HCC patients still presented lower response than IL-21-treated NK cells from healthy controls. IL-21 resulted in increased phosphorylation of both STAT1 and STAT3 in NK cells. Inhibition of STAT1, but not STAT3, significantly reduced IL-21-mediated reinvigoration of NK function. Together, this study demonstrated that NK cells in HBV-associated HCC patients presented functional impairments that could be reverted by IL-21 in a STAT1-mediated mechanism.
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Affiliation(s)
- Yun Jin
- Department of Hepatobiliary Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Zhiwei Sun
- Department of Hepatobiliary Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Jiawei Geng
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Department of Infectious Diseases, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Lei Yang
- Department of Neurosurgery, Kunming Children's Hospital, Kunming, Yunnan, China
| | - Zhenyu Song
- DICAT Biomedical Computation Centre, Vancouver, British Columbia, Canada
| | - Haihan Song
- DICAT Biomedical Computation Centre, Vancouver, British Columbia, Canada.
| | - Junfeng Wang
- Department of Hepatobiliary Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China.
| | - Jianzhong Tang
- Department of Hepatobiliary Surgery, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China; The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China.
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22
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Molgora M, Supino D, Mavilio D, Santoni A, Moretta L, Mantovani A, Garlanda C. The yin-yang of the interaction between myelomonocytic cells and NK cells. Scand J Immunol 2018; 88:e12705. [PMID: 30048003 DOI: 10.1111/sji.12705] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/12/2018] [Accepted: 07/20/2018] [Indexed: 12/14/2022]
Abstract
NK cells are innate lymphoid cells, which play a key role in the immune response to cancer and pathogens and participate in the shaping of adaptive immunity. NK cells engage in a complex bidirectional interaction with myelomonocytic cells. In particular, macrophages, dendritic cells and neutrophils promote differentiation and effector function of NK cells and, on the other hand, myelomonocytic cells express triggers of checkpoint blockade (eg PD-L1) and other immunosuppressive molecules, which negatively regulate NK cell function. In addition, NK cells express high levels of IL-1R8, which acts as a checkpoint for IL-18 driven differentiation and activation of NK cells. Evidence suggests that targeting the myeloid cell-NK cell crosstalk unleashes effective anti-tumour and anti-viral resistance.
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Affiliation(s)
| | | | - Domenico Mavilio
- Humanitas Research Hospital, Rozzano, Italy.,Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Milan, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Laboratory Affiliated to Institute Pasteur -Italia, Sapienza University of Rome, Rome, Italy.,IRCCS, Neuromed, Pozzilli, Italy
| | - Lorenzo Moretta
- Immunology Area, Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Alberto Mantovani
- Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital, Rozzano, Italy.,The William Harvey Research Institute, Queen Mary University of London, London, UK
| | - Cecilia Garlanda
- Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital, Rozzano, Italy
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23
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Tanaka M, Fine JH, Kirkham CL, Aguilar OA, Belcheva A, Martin A, Ketela T, Moffat J, Allan DSJ, Carlyle JR. The Inhibitory NKR-P1B:Clr-b Recognition Axis Facilitates Detection of Oncogenic Transformation and Cancer Immunosurveillance. Cancer Res 2018; 78:3589-3603. [PMID: 29691253 DOI: 10.1158/0008-5472.can-17-1688] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 11/01/2017] [Accepted: 04/19/2018] [Indexed: 11/16/2022]
Abstract
Natural killer (NK) cells express receptors specific for MHC class I (MHC-I) molecules involved in "missing-self" recognition of cancer and virus-infected cells. Here we elucidate the role of MHC-I-independent NKR-P1B:Clr-b interactions in the detection of oncogenic transformation by NK cells. Ras oncogene overexpression was found to promote a real-time loss of Clr-b on mouse fibroblasts and leukemia cells, mediated in part via the Raf/MEK/ERK and PI3K pathways. Ras-driven Clr-b downregulation occurred at the level of the Clrb (Clec2d) promoter, nascent Clr-b transcripts, and cell surface Clr-b protein, in turn promoting missing-self recognition via the NKR-P1B inhibitory receptor. Both Ras- and c-Myc-mediated Clr-b loss selectively augmented cytotoxicity of oncogene-transformed leukemia cells by NKR-P1B+ NK cells in vitro and enhanced rejection by WT mice in vivo Interestingly, genetic ablation of either one (Clr-b+/-) or two Clr-b alleles (Clr-b-/-) enhanced survival of Eμ-cMyc transgenic mice in a primary lymphoma model despite preferential rejection of Clr-b-/- hematopoietic cells previously observed following adoptive transfer into naïve wild-type mice in vivo Collectively, these findings suggest that the inhibitory NKR-P1B:Clr-b axis plays a beneficial role in innate detection of oncogenic transformation via NK-cell-mediated cancer immune surveillance, in addition to a pathologic role in the immune escape of primary lymphoma cells in Eμ-cMyc mice in vivo These results provide a model for the human NKR-P1A:LLT1 system in cancer immunosurveillance in patients with lymphoma and suggest it may represent a target for immune checkpoint therapy.Significance: A mouse model shows that an MHC-independent NK-cell recognition axis enables the detection of leukemia cells, with implications for a novel immune checkpoint therapy target in human lymphoma. Cancer Res; 78(13); 3589-603. ©2018 AACR.
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Affiliation(s)
- Miho Tanaka
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Jason H Fine
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Christina L Kirkham
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Oscar A Aguilar
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Antoaneta Belcheva
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Alberto Martin
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Troy Ketela
- Department of Molecular Genetics, University of Toronto, Ontario, Canada.,Donnelly Centre and Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada
| | - Jason Moffat
- Department of Molecular Genetics, University of Toronto, Ontario, Canada.,Donnelly Centre and Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada
| | - David S J Allan
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada.,Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - James R Carlyle
- Department of Immunology, University of Toronto, Toronto, Ontario, Canada. .,Sunnybrook Research Institute, Toronto, Ontario, Canada
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24
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Shegarfi H, Rolstad B, Kane KP, Nestvold J. Listeria monocytogenes infection differentially affects expression of ligands for NK cells and NK cell responses, depending on the cell type infected. J Leukoc Biol 2018; 103:591-599. [PMID: 27106671 DOI: 10.1189/jlb.2a1115-506rr] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 04/01/2016] [Accepted: 04/06/2016] [Indexed: 01/22/2023] Open
Abstract
The pivotal role of NK cells in viral infection is extensively studied, whereas the role of NK cells in bacterial infection has been poorly investigated. Here, we have examined how Listeria monocytogenes (LM) affects expression of ligands for NK cell receptors and subsequent NK cell responses, depending on the type of cell infected. LM infected rat cell lines derived from different tissues were coincubated with splenic NK cells, and NK cell proliferation and IFN-γ production were measured. In addition, expression of ligands for the NK cell receptors Ly49 and NK cell receptor protein 1 (NKR-P1), MHC class I and C-type lectin-related molecules, respectively, was assessed. Infected pleural R2 cells, but not epithelium-derived colon carcinoma cell line CC531 cells, induced proliferation of NK cells. Reporter cells expressing the inhibitory NKR-P1G receptor or the activating NKR-P1F receptor were less stimulated under incubation with infected CC531 cells versus uninfected CC531 controls, suggesting that the ligand(s) in question were down-regulated by infection. Conversely, LM infection of R2 cells did not affect reporter cell stimulation compared with uninfected R2 controls. We characterized a rat monocyte cell line, termed RmW cells. In contrast to LM infected R2 cells that up-regulate MHC class I molecules, RmW cells displayed unchanged MHC class I expression following infection. In line with MHC class I expression, more NK cells produced a higher amount of IFN-γ against infected R2 cells compared with RmW cells. Together, L. monocytogenes infection may variously regulate cellular ligands for NK cells, depending on the cell type infected, affecting the outcome of NK cell responses.
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Affiliation(s)
- Hamid Shegarfi
- Department of Anatomy, Institute of Basic Medical Sciences, University of Oslo, Norway.,Institute for Surgical Research, Oslo University Hospital, Oslo, Norway.,Atlantis Medical University College, Kolbotn, Norway
| | - Bent Rolstad
- Department of Anatomy, Institute of Basic Medical Sciences, University of Oslo, Norway
| | - Kevin P Kane
- Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada
| | - Janne Nestvold
- Department of Anatomy, Institute of Basic Medical Sciences, University of Oslo, Norway
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25
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Seo H, Jeon I, Kim BS, Park M, Bae EA, Song B, Koh CH, Shin KS, Kim IK, Choi K, Oh T, Min J, Min BS, Han YD, Kang SJ, Shin SJ, Chung Y, Kang CY. IL-21-mediated reversal of NK cell exhaustion facilitates anti-tumour immunity in MHC class I-deficient tumours. Nat Commun 2017; 8:15776. [PMID: 28585539 PMCID: PMC5467212 DOI: 10.1038/ncomms15776] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 04/26/2017] [Indexed: 12/14/2022] Open
Abstract
During cancer immunoediting, loss of major histocompatibility complex class I (MHC-I) in neoplasm contributes to the evasion of tumours from host immune system. Recent studies have demonstrated that most natural killer (NK) cells that are found in advanced cancers are defective, releasing the malignant MHC-I-deficient tumours from NK-cell-dependent immune control. Here, we show that a natural killer T (NKT)-cell-ligand-loaded tumour-antigen expressing antigen-presenting cell (APC)-based vaccine effectively eradicates these advanced tumours. During this process, we find that the co-expression of Tim-3 and PD-1 marks functionally exhausted NK cells in advanced tumours and that MHC-I downregulation in tumours is closely associated with the induction of NK-cell exhaustion in both tumour-bearing mice and cancer patients. Furthermore, the recovery of NK-cell function by IL-21 is critical for the anti-tumour effects of the vaccine against advanced tumours. These results reveal the process involved in the induction of NK-cell dysfunction in advanced cancers and provide a guidance for the development of strategies for cancer immunotherapy. Loss of major histocompatibility complex MHC-I expression contributes to cancer immune evasion. Here, the authors show that, in both mice and humans, MHC-I downregulation is associated with the induction of NK-cell exhaustion and that IL-21 restores NK-cell function and inhibits tumours progression.
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Affiliation(s)
- Hyungseok Seo
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Insu Jeon
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Byung-Seok Kim
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Science, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Myunghwan Park
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Eun-Ah Bae
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Boyeong Song
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea
| | - Choong-Hyun Koh
- Laboratory of Immunology, Research Institute of Pharmaceutical Science, College of Pharmacy Seoul National University, Seoul 08826, Republic of Korea
| | - Kwang-Soo Shin
- Laboratory of Immunology, Research Institute of Pharmaceutical Science, College of Pharmacy Seoul National University, Seoul 08826, Republic of Korea
| | - Il-Kyu Kim
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea.,Laboratory of Immunology, Research Institute of Pharmaceutical Science, College of Pharmacy Seoul National University, Seoul 08826, Republic of Korea
| | | | - Taegwon Oh
- Cellid, Inc., Seoul 08826, Republic of Korea
| | - Jiyoun Min
- Department of Biological Science, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Byung Soh Min
- Department of Surgery, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Yoon Dae Han
- Department of Surgery, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Suk-Jo Kang
- Department of Biological Science, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Sang Joon Shin
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea
| | - Yeonseok Chung
- Laboratory of Immune Regulation, Research Institute of Pharmaceutical Science, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang-Yuil Kang
- Laboratory of Immunology, Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 08826, Republic of Korea.,Laboratory of Immunology, Research Institute of Pharmaceutical Science, College of Pharmacy Seoul National University, Seoul 08826, Republic of Korea.,Cellid, Inc., Seoul 08826, Republic of Korea
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26
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Preethy S, Dedeepiya VD, Senthilkumar R, Rajmohan M, Karthick R, Terunuma H, Abraham SJK. Natural killer cells as a promising tool to tackle cancer-A review of sources, methodologies, and potentials. Int Rev Immunol 2017; 36:220-232. [PMID: 28471248 DOI: 10.1080/08830185.2017.1284209] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Immune cell-based therapies are emerging as a promising tool to tackle malignancies, both solid tumors and selected hematological tumors. Vast experiences in literature have documented their safety and added survival benefits when such cell-based therapies are combined with the existing treatment options. Numerous methodologies of processing and in vitro expansion protocols of immune cells, such as the dendritic cells, natural killer (NK) cells, NKT cells, αβ T cells, so-called activated T lymphocytes, γδ T cells, cytotoxic T lymphocytes, and lymphokine-activated killer cells, have been reported for use in cell-based therapies. Among this handful of immune cells of significance, the NK cells stand apart from the rest for not only their direct cytotoxic ability against cancer cells but also their added advantage, which includes their capability of (i) action through both innate and adaptive immune mechanism, (ii) tackling viruses too, giving benefits in conditions where viral infections culminate in cancer, and (iii) destroying cancer stem cells, thereby preventing resistance to chemotherapy and radiotherapy. This review thoroughly analyses the sources of such NK cells, methods for expansion, and the future potentials of taking the in vitro expanded allogeneic NK cells with good cytotoxic ability as a drug for treating cancer and/or viral infection and even as a prophylactic tool for prevention of cancer after initial remission.
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Affiliation(s)
- Senthilkumar Preethy
- a The Fujio-Eiji Academic Terrain (FEAT) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India.,b Hope Foundation (Trust) , Chennai , Tamil Nadu , India
| | - Vidyasagar Devaprasad Dedeepiya
- d The Mary-Yoshio Translational Hexagon (MYTH) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India
| | - Rajappa Senthilkumar
- a The Fujio-Eiji Academic Terrain (FEAT) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India
| | - Mathaiyan Rajmohan
- a The Fujio-Eiji Academic Terrain (FEAT) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India
| | - Ramalingam Karthick
- a The Fujio-Eiji Academic Terrain (FEAT) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India
| | | | - Samuel J K Abraham
- a The Fujio-Eiji Academic Terrain (FEAT) , Nichi-In Centre for Regenerative Medicine (NCRM) , Chennai , Tamil Nadu , India.,e II Department of Surgery, School of Medicine , Yamanashi University , Chuo , Japan
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27
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Grossenbacher SK, Aguilar EG, Murphy WJ. Leveraging natural killer cells for cancer immunotherapy. Immunotherapy 2017; 9:487-497. [PMID: 28472904 PMCID: PMC5941700 DOI: 10.2217/imt-2017-0013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/13/2017] [Indexed: 11/21/2022] Open
Abstract
Natural killer (NK) cells are potent antitumor effector cells of the innate immune system. Based on their ability to eradicate tumors in vitro and in animal models, significant enthusiasm surrounds the prospect of leveraging human NK cells as vehicles for cancer immunotherapy. While interest in manipulating the effector functions of NK cells has existed for over 30 years, there is renewed optimism for this approach today. Although T cells receive much of the clinical and preclinical attention when it comes to cancer immunotherapy, new strategies are utilizing adoptive NK-cell immunotherapy and monoclonal antibodies and engineered molecules which have been developed to specifically activate NK cells against tumors. Despite the numerous challenges associated with the preclinical and clinical development of NK cell-based therapies for cancer, NK cells possess many unique immunological properties and hold the potential to provide an effective means for cancer immunotherapy.
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Affiliation(s)
- Steven K Grossenbacher
- Department of Dermatology, University of California Davis School of Medicine, CA 95817, USA
| | - Ethan G Aguilar
- Department of Dermatology, University of California Davis School of Medicine, CA 95817, USA
| | - William J Murphy
- Department of Dermatology, University of California Davis School of Medicine, CA 95817, USA
- Department of Internal Medicine, University of California Davis School of Medicine, CA 95817, USA
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28
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Burel JG, Apte SH, Groves PL, Klein K, McCarthy JS, Doolan DL. Reduced Plasmodium Parasite Burden Associates with CD38+ CD4+ T Cells Displaying Cytolytic Potential and Impaired IFN-γ Production. PLoS Pathog 2016; 12:e1005839. [PMID: 27662621 PMCID: PMC5035011 DOI: 10.1371/journal.ppat.1005839] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 08/02/2016] [Indexed: 11/19/2022] Open
Abstract
Using a unique resource of samples from a controlled human malaria infection (CHMI) study, we identified a novel population of CD4+ T cells whose frequency in the peripheral blood was inversely correlated with parasite burden following P. falciparum infection. These CD4+ T cells expressed the multifunctional ectoenzyme CD38 and had unique features that distinguished them from other CD4+ T cells. Specifically, their phenotype was associated with proliferation, activation and cytotoxic potential as well as significantly impaired production of IFN-γ and other cytokines and reduced basal levels of activated STAT1. A CD38+ CD4+ T cell population with similar features was identified in healthy uninfected individuals, at lower frequency. CD38+ CD4+ T cells could be generated in vitro from CD38- CD4+ T cells after antigenic or mitogenic stimulation. This is the first report of a population of CD38+ CD4+ T cells with a cytotoxic phenotype and markedly impaired IFN-γ capacity in humans. The expansion of this CD38+ CD4+ T population following infection and its significant association with reduced blood-stage parasite burden is consistent with an important functional role for these cells in protective immunity to malaria in humans. Their ubiquitous presence in humans suggests that they may have a broad role in host-pathogen defense. TRIAL REGISTRATION ClinicalTrials.gov clinical trial numbers ACTRN12612000814875, ACTRN12613000565741 and ACTRN12613001040752.
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Affiliation(s)
- Julie G. Burel
- Molecular Vaccinology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
- The University of Queensland, School of Medicine, Brisbane, Australia
| | - Simon H. Apte
- Molecular Vaccinology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Penny L. Groves
- Molecular Vaccinology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Kerenaftali Klein
- Statistics Unit, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - James S. McCarthy
- Clinical Tropical Medicine Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Denise L. Doolan
- Molecular Vaccinology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia
- The University of Queensland, School of Medicine, Brisbane, Australia
- Centre for Biosecurity and Tropical Infectious Diseases, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, Australia
- * E-mail:
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29
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Wang F, Hou H, Wu S, Tang Q, Liu W, Huang M, Yin B, Huang J, Mao L, Lu Y, Sun Z. TIGIT expression levels on human NK cells correlate with functional heterogeneity among healthy individuals. Eur J Immunol 2015; 45:2886-97. [PMID: 26171588 DOI: 10.1002/eji.201545480] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 06/03/2015] [Accepted: 07/08/2015] [Indexed: 01/09/2023]
Abstract
Human NK cells display extensive phenotypic and functional heterogeneity among healthy individuals, but the mechanism responsible for this variation is still largely unknown. Here, we show that a novel immune receptor, T-cell immunoglobulin and ITIM domain (TIGIT), is expressed preferentially on human NK cells but shows wide variation in its expression levels among healthy individuals. We found that the TIGIT expression level is related to the phenotypic and functional heterogeneity of NK cells, and that NK cells from healthy individuals can be divided into three categories according to TIGIT expression. NK cells with low levels of TIGIT expression show higher cytokine secretion capability, degranulation activity, and cytotoxic potential than NK cells with high levels of TIGIT expression. Blockade of the TIGIT pathway significantly increased NK-cell function, particularly in NK cells with high levels of TIGIT expression. We further observed that the TIGIT expression level was inversely correlated with the IFN-γ secretion capability of NK cells in patients with cancers and autoimmune diseases. Importantly, we propose a novel mechanism that links TIGIT expression with NK-cell functional heterogeneity, and this mechanism might partially explain why individuals have different susceptibilities to infection, autoimmune disease, and cancer.
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Affiliation(s)
- Feng Wang
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongyan Hou
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shiji Wu
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Tang
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weiyong Liu
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Huang
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Botao Yin
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Huang
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lie Mao
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanfang Lu
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ziyong Sun
- Department of Clinical Laboratory, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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30
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Belardi B, Bertozzi CR. Chemical Lectinology: Tools for Probing the Ligands and Dynamics of Mammalian Lectins In Vivo. ACTA ACUST UNITED AC 2015; 22:983-93. [PMID: 26256477 DOI: 10.1016/j.chembiol.2015.07.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 06/29/2015] [Accepted: 07/08/2015] [Indexed: 02/06/2023]
Abstract
The importance and complexity associated with the totality of glycan structures, i.e. the glycome, has garnered significant attention from chemists and biologists alike. However, what is lacking from this biochemical picture is how cells, tissues, and organisms interpret glycan patterns and translate this information into appropriate responses. Lectins, glycan-binding proteins, are thought to bridge this gap by decoding the glycome and dictating cell fate based on the underlying chemical identities and properties of the glycome. Yet, our understanding of the in vivo ligands and function for most lectins is still incomplete. This review focuses on recent advances in chemical tools to study the specificity and dynamics of mammalian lectins in live cells. A picture emerges of lectin function that is highly sensitive to its organization, which in turn drastically shapes immunity and cancer progression. We hope this review will inspire biologists to make use of these new techniques and stimulate chemists to continue developing innovative approaches to probe lectin biology in vivo.
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Affiliation(s)
- Brian Belardi
- Departments of Chemistry and Molecular and Cell Biology and Howard Hughes Medical Institute, University of California, Berkeley, CA 94720, USA
| | - Carolyn R Bertozzi
- Department of Chemistry and Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305-4401, USA.
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31
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Aguilar OA, Mesci A, Ma J, Chen P, Kirkham CL, Hundrieser J, Voigt S, Allan DSJ, Carlyle JR. Modulation of Clr Ligand Expression and NKR-P1 Receptor Function during Murine Cytomegalovirus Infection. J Innate Immun 2015; 7:584-600. [PMID: 26044139 DOI: 10.1159/000382032] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 04/02/2015] [Indexed: 12/19/2022] Open
Abstract
Viruses are known to induce pathological cellular states that render infected cells susceptible or resistant to immune recognition. Here, we characterize an MHC-I-independent natural killer (NK) cell recognition mechanism that involves modulation of inhibitory NKR-P1B:Clr-b receptor-ligand interactions in response to mouse cytomegalovirus (MCMV) infection. We demonstrate that mouse Clr-b expression on healthy cells is rapidly lost at the cell surface and transcript levels in a time- and dose-dependent manner upon MCMV infection. In addition, cross-species infections using rat cytomegalovirus (RCMV) infection of mouse fibroblasts and MCMV infection of rat fibroblasts suggest that this response is conserved during host-pathogen interactions. Active viral infection appears to be necessary for Clr-b loss, as cellular stimulation using UV-inactivated whole virus or agonists of many innate pattern recognition receptors failed to elicit efficient Clr-b downregulation. Notably, Clr-b loss could be partially blocked by titrated cycloheximide treatment, suggesting that early viral or nascent host proteins are required for Clr-b downregulation. Interestingly, reporter cell assays suggest that MCMV may encode a novel Clr-b-independent immunoevasin that functionally engages the NKR-P1B receptor. Together, these data suggest that Clr-b modulation is a conserved innate host cell response to virus infection that is subverted by multiple CMV immune evasion strategies.
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Affiliation(s)
- Oscar A Aguilar
- Department of Immunology, University of Toronto, and Sunnybrook Research Institute, Toronto, Ont., Canada
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32
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Abstract
Natural killer (NK) cells are innate lymphoid cells (ILC) known for their ability to recognize and rapidly eliminate infected or transformed cells. Consequently, NK cells are fundamental for host protection against virus infections and malignancies. Even though the critical role of NK cells in cancer immunosurveillance was suspected years ago, the underlying mechanisms took time to be unraveled. Today, it is clear that anti-tumor functions of NK cells are tightly regulated and expand far beyond the simple killing of malignant cells. In spite of tremendous steps made in understanding the NK cell biology, further work is warranted to fully exploit the anticancer potential of these cells. Indeed, tumor-mediated immune suppression hampers NK cell activity, thus complicating their stimulation for therapeutic purposes. Herein, we review the current knowledge of NK cell functions in anti-tumor immunity . We discuss NK cell activity in the cancer immunoediting process with particular emphasis on the elimination and escape phases.
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Affiliation(s)
- Camille Guillerey
- Immunology in Cancer and Infection Laboratory, QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, 4006, Australia.,School of Medicine, University of Queensland, Herston, QLD, Australia
| | - Mark J Smyth
- Immunology in Cancer and Infection Laboratory, QIMR Berghofer Medical Research Institute, 300 Herston Road, Herston, 4006, Australia. .,School of Medicine, University of Queensland, Herston, QLD, Australia.
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Abstract
The NKG2D cell receptor and its ligands have attracted considerable interest as a potential strategy to attack tumor cells. NKG2D ligands are expressed on most types of tumors, and they demonstrate relative selectivity of ligand expression on tumor cells compared to healthy cells. Several different variants of NKG2D-based chimeric antigen receptors (CARs) have been developed, and extensive in vivo mechanistic studies performed demonstrated that cytotoxicity and cytokines are important for the efficacy NKG2D CAR adoptive T-cell therapy. NKG2D CARs target tumor cells, and they also target immunosuppressive cells within the tumor microenvironment. Under certain conditions, NKG2D ligand expression can be found on nontumor tissue, so potential off-tumor toxicity remains. In this article, we review the use of NKG2D as a basis for CAR targeting of tumors.
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34
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Macauley MS, Crocker PR, Paulson JC. Siglec-mediated regulation of immune cell function in disease. Nat Rev Immunol 2014; 14:653-66. [PMID: 25234143 DOI: 10.1038/nri3737] [Citation(s) in RCA: 743] [Impact Index Per Article: 74.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
All mammalian cells display a diverse array of glycan structures that differ from those that are found on microbial pathogens. Siglecs are a family of sialic acid-binding immunoglobulin-like receptors that participate in the discrimination between self and non-self, and that regulate the function of cells in the innate and adaptive immune systems through the recognition of their glycan ligands. In this Review, we describe the recent advances in our understanding of the roles of Siglecs in the regulation of immune cell function in infectious diseases, inflammation, neurodegeneration, autoimmune diseases and cancer.
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Affiliation(s)
- Matthew S Macauley
- Departments of Cell and Molecular Biology, Immunology and Microbial Science, and Physiological Chemistry, The Scripps Research Institute, La Jolla, California 92037, USA
| | - Paul R Crocker
- Division of Cell Signalling and Immunology, Wellcome Trust Building, College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - James C Paulson
- Departments of Cell and Molecular Biology, Immunology and Microbial Science, and Physiological Chemistry, The Scripps Research Institute, La Jolla, California 92037, USA
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35
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Ben Fredj N, Rizzo R, Bortolotti D, Nefzi F, Chebel S, Rotola A, Frih-Ayed M, Di Luca D, Aouni M. Evaluation of the implication of KIR2DL2 receptor in multiple sclerosis and herpesvirus susceptibility. J Neuroimmunol 2014; 271:30-5. [DOI: 10.1016/j.jneuroim.2014.03.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 02/10/2014] [Accepted: 03/24/2014] [Indexed: 01/23/2023]
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36
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Stackaruk ML, Lee AJ, Ashkar AA. Type I interferon regulation of natural killer cell function in primary and secondary infections. Expert Rev Vaccines 2014; 12:875-84. [PMID: 23984959 DOI: 10.1586/14760584.2013.814871] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The priming of natural killer (NK) cells by type I interferon (IFN) is necessary for protection against primary and secondary viral infections. However, the pathway by which type I IFN activates NK cells to elicit antiviral responses is controversial. There is evidence to suggest that type I IFN priming of NK cells occurs through both direct and indirect pathways. As with many innate mechanisms, type I IFN and NK cells also orchestrate the adaptive immune response and thus aid in protection against secondary infections. Type I IFN can shape CD4(+) T cell, B cell and humoral memory formation. In addition, long-lived NK cells can perform specific and enhanced memory-like protection in secondary infections. This review outlines the different mechanisms underlying type I IFN regulation of NK cells and how type I IFN and NK cells can be used as a therapeutic target in vaccinations.
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Affiliation(s)
- Michele L Stackaruk
- Department of Pathology and Molecular Medicine, Institute for Infectious Disease Research, McMaster Immunology Research Centre, McMaster University, Hamilton, MDCL 4015, 1280 Main Street West, Hamilton, L8S 4K1, ON, Canada
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37
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Ivarsson MA, Michaëlsson J, Fauriat C. Activating killer cell Ig-like receptors in health and disease. Front Immunol 2014; 5:184. [PMID: 24795726 PMCID: PMC4001058 DOI: 10.3389/fimmu.2014.00184] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 04/07/2014] [Indexed: 01/08/2023] Open
Abstract
Expression of non-rearranged HLA class I-binding receptors characterizes human and mouse NK cells. The postulation of the missing-self hypothesis some 30 years ago triggered the subsequent search and discovery of inhibitory MHC-receptors, both in humans and mice. These receptors have two functions: (i) to control the threshold for NK cell activation, a process termed “licensing” or “education,” and (ii) to inhibit NK cell activation during interactions with healthy HLA class I-expressing cells. The discovery of activating forms of KIRs (aKIR) challenged the concept of NK cell tolerance in steady state, as well as during immune challenge: what is the biological role of the activating KIR, in particular when NK cells express aKIRs in the absence of inhibitory receptors? Recently it was shown that aKIRs also participate in the education of NK cells. However, instead of lowering the threshold of activation like iKIRs, the expression of aKIRs has the opposite effect, i.e., rendering NK cells hyporesponsive. These findings may have consequences during NK cell response to viral infection, in cancer development, and in the initial stages of pregnancy. Here we review the current knowledge of activating KIRs, including the biological concept of aKIR-dependent NK cell education, and their impact in health and disease.
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Affiliation(s)
- Martin A Ivarsson
- Center for Infectious Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Jakob Michaëlsson
- Center for Infectious Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge , Stockholm , Sweden
| | - Cyril Fauriat
- U1068, CRCM, Immunity and Cancer, INSERM , Marseille , France ; Institut Paoli-Calmettes , Marseille , France ; UM 105, Aix-Marseille Université , Marseille , France ; UMR 7258, CNRS , Marseille , France ; U1068, CRCM, Plateforme d'Immunomonitoring en Cancérologie, INSERM , Marseille , France
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38
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The role of Endoplasmic Reticulum Aminopeptidase 1(ERAP1) in Ankylosing Spondylitis. INDIAN JOURNAL OF RHEUMATOLOGY 2014. [DOI: 10.1016/j.injr.2014.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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39
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Abstract
Altered glycosylation of cancer cells confers phenotypic changes that promote spread and evasion of immune responses. A novel method for engineering cell surface glycans is providing insights into these mechanisms.
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Affiliation(s)
- Matthew S Macauley
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA USA
| | - James C Paulson
- Department of Cell and Molecular Biology, The Scripps Research Institute, La Jolla, CA USA
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40
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Stanietsky N, Rovis TL, Glasner A, Seidel E, Tsukerman P, Yamin R, Enk J, Jonjic S, Mandelboim O. Mouse TIGIT inhibits NK-cell cytotoxicity upon interaction with PVR. Eur J Immunol 2013; 43:2138-50. [PMID: 23677581 DOI: 10.1002/eji.201243072] [Citation(s) in RCA: 187] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 04/30/2013] [Accepted: 05/10/2013] [Indexed: 01/26/2023]
Abstract
The activity of natural killer (NK) cells is controlled by a balance of signals derived from inhibitory and activating receptors. TIGIT is a novel inhibitory receptor, recently shown in humans to interact with two ligands: PVR and Nectin2 and to inhibit human NK-cell cytotoxicity. Whether mouse TIGIT (mTIGIT) inhibits mouse NK-cell cytotoxicity is unknown. Here we show that mTIGIT is expressed by mouse NK cells and interacts with mouse PVR. Using mouse and human Ig fusion proteins we show that while the human TIGIT (hTIGIT) cross-reacts with mouse PVR (mPVR), the binding of mTIGIT is restricted to mPVR. We further demonstrate using surface plasmon resonance (SPR) and staining with Ig fusion proteins that mTIGIT binds to mPVR with higher affinity than the co-stimulatory PVR-binding receptor mouse DNAM1 (mDNAM1). Functionally, we show that triggering of mTIGIT leads to the inhibition of NK-cell cytotoxicity, that IFN-γ secretion is enhanced when mTIGIT is blocked and that the TIGIT-mediated inhibition is dominant over the signals delivered by the PVR-binding co-stimulatory receptors. Additionally, we identify the inhibitory motif responsible for mTIGIT inhibition. In conclusion, we show that TIGIT is a powerful inhibitory receptor for mouse NK cells.
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Affiliation(s)
- Noa Stanietsky
- The Lautenberg Center for General and Tumor Immunology, Institute for Medical Research Israel Canada, Hebrew University-Hadassah Medical School, Jerusalem, Israel
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41
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Holland CJ, Cole DK, Godkin A. Re-Directing CD4(+) T Cell Responses with the Flanking Residues of MHC Class II-Bound Peptides: The Core is Not Enough. Front Immunol 2013; 4:172. [PMID: 23847615 PMCID: PMC3696884 DOI: 10.3389/fimmu.2013.00172] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 06/14/2013] [Indexed: 11/17/2022] Open
Abstract
Recombinant αβ T cell receptors, expressed on T cell membranes, recognize short peptides presented at the cell surface in complex with MHC molecules. There are two main subsets of αβ T cells: CD8(+) T cells that recognize mainly cytosol-derived peptides in the context of MHC class I (pMHC-I), and CD4(+) T cells that recognize peptides usually derived from exogenous proteins presented by MHC class II (pMHC-II). Unlike the more uniform peptide lengths (usually 8-13mers) bound in the MHC-I closed groove, MHC-II presented peptides are of a highly variable length. The bound peptides consist of a core bound 9mer (reflecting the binding motif for the particular MHC-II type) but with variable peptide flanking residues (PFRs) that can extend from both the N- and C-terminus of the MHC-II binding groove. Although pMHC-I and pMHC-II play a virtually identical role during T cell responses (T cell antigen presentation) and are very similar in overall conformation, there exist a number of subtle but important differences that may govern the functional dichotomy observed between CD8(+) and CD4(+) T cells. Here, we provide an overview of the impact of structural differences between pMHC-I and pMHC-II and the molecular interactions with the T cell receptor including the functional importance of MHC-II PFRs. We consider how factors such as anatomical location, inflammatory milieu, and particular types of antigen presenting cell might, in theory, contribute to the quantitative (i.e., pMHC ligand frequency) as well as qualitative (i.e., variable PFR) nature of peptide epitopes, and hence offer a means of control and influence of a CD4(+) T cell response. Lastly, we review our recent findings showing how modifications to MHC-II PFRs can modify CD4(+) T cell antigen recognition. These findings may have novel applications for the development of CD4(+) T cell peptide vaccines and diagnostics.
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Affiliation(s)
| | - David K. Cole
- Institute of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
| | - Andrew Godkin
- Institute of Infection and Immunity, Cardiff University School of Medicine, Cardiff, UK
- Department of Integrated Medicine, University Hospital of Wales, Cardiff, UK
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42
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Cheng M, Chen Y, Xiao W, Sun R, Tian Z. NK cell-based immunotherapy for malignant diseases. Cell Mol Immunol 2013; 10:230-52. [PMID: 23604045 DOI: 10.1038/cmi.2013.10] [Citation(s) in RCA: 461] [Impact Index Per Article: 41.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Natural killer (NK) cells play critical roles in host immunity against cancer. In response, cancers develop mechanisms to escape NK cell attack or induce defective NK cells. Current NK cell-based cancer immunotherapy aims to overcome NK cell paralysis using several approaches. One approach uses expanded allogeneic NK cells, which are not inhibited by self histocompatibility antigens like autologous NK cells, for adoptive cellular immunotherapy. Another adoptive transfer approach uses stable allogeneic NK cell lines, which is more practical for quality control and large-scale production. A third approach is genetic modification of fresh NK cells or NK cell lines to highly express cytokines, Fc receptors and/or chimeric tumor-antigen receptors. Therapeutic NK cells can be derived from various sources, including peripheral or cord blood cells, stem cells or even induced pluripotent stem cells (iPSCs), and a variety of stimulators can be used for large-scale production in laboratories or good manufacturing practice (GMP) facilities, including soluble growth factors, immobilized molecules or antibodies, and other cellular activators. A list of NK cell therapies to treat several types of cancer in clinical trials is reviewed here. Several different approaches to NK-based immunotherapy, such as tissue-specific NK cells, killer receptor-oriented NK cells and chemically treated NK cells, are discussed. A few new techniques or strategies to monitor NK cell therapy by non-invasive imaging, predetermine the efficiency of NK cell therapy by in vivo experiments and evaluate NK cell therapy approaches in clinical trials are also introduced.
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Affiliation(s)
- Min Cheng
- Institute of Immunology, University of Science and Technology of China, Hefei, China
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43
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Larsson M, Shankar EM, Che KF, Saeidi A, Ellegård R, Barathan M, Velu V, Kamarulzaman A. Molecular signatures of T-cell inhibition in HIV-1 infection. Retrovirology 2013; 10:31. [PMID: 23514593 PMCID: PMC3610157 DOI: 10.1186/1742-4690-10-31] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Accepted: 03/07/2013] [Indexed: 01/07/2023] Open
Abstract
Cellular immune responses play a crucial role in the control of viral replication in HIV-infected individuals. However, the virus succeeds in exploiting the immune system to its advantage and therefore, the host ultimately fails to control the virus leading to development of terminal AIDS. The virus adopts numerous evasion mechanisms to hijack the host immune system. We and others recently described the expression of inhibitory molecules on T cells as a contributing factor for suboptimal T-cell responses in HIV infection both in vitro and in vivo. The expression of these molecules that negatively impacts the normal functions of the host immune armory and the underlying signaling pathways associated with their enhanced expression need to be discussed. Targets to restrain the expression of these molecular markers of immune inhibition is likely to contribute to development of therapeutic interventions that augment the functionality of host immune cells leading to improved immune control of HIV infection. In this review, we focus on the functions of inhibitory molecules that are expressed or secreted following HIV infection such as BTLA, CTLA-4, CD160, IDO, KLRG1, LAG-3, LILRB1, PD-1, TRAIL, TIM-3, and regulatory cytokines, and highlight their significance in immune inhibition. We also highlight the ensemble of transcriptional factors such as BATF, BLIMP-1/PRDM1, FoxP3, DTX1 and molecular pathways that facilitate the recruitment and differentiation of suppressor T cells in response to HIV infection.
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Affiliation(s)
- Marie Larsson
- Molecular Virology, Department of Clinical and Experimental Medicine, Linköping University, Linköping, 58 185, Sweden.
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44
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CD47: A Cell Surface Glycoprotein Which Regulates Multiple Functions of Hematopoietic Cells in Health and Disease. ISRN HEMATOLOGY 2013; 2013:614619. [PMID: 23401787 PMCID: PMC3564380 DOI: 10.1155/2013/614619] [Citation(s) in RCA: 161] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Accepted: 11/19/2012] [Indexed: 12/22/2022]
Abstract
Interactions between cells and their surroundings are important for proper function and homeostasis in a multicellular organism. These interactions can either be established between the cells and molecules in their extracellular milieu, but also involve interactions between cells. In all these situations, proteins in the plasma membranes are critically involved to relay information obtained from the exterior of the cell. The cell surface glycoprotein CD47 (integrin-associated protein (IAP)) was first identified as an important regulator of integrin function, but later also was shown to function in ways that do not necessarily involve integrins. Ligation of CD47 can induce intracellular signaling resulting in cell activation or cell death depending on the exact context. By binding to another cell surface glycoprotein, signal regulatory protein alpha (SIRPα), CD47 can regulate the function of cells in the monocyte/macrophage lineage. In this spotlight paper, several functions of CD47 will be reviewed, although some functions may be more briefly mentioned. Focus will be on the ways CD47 regulates hematopoietic cells and functions such as CD47 signaling, induction of apoptosis, and regulation of phagocytosis or cell-cell fusion.
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45
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Liu S, Zhang H, Li M, Hu D, Li C, Ge B, Jin B, Fan Z. Recruitment of Grb2 and SHIP1 by the ITT-like motif of TIGIT suppresses granule polarization and cytotoxicity of NK cells. Cell Death Differ 2012; 20:456-64. [PMID: 23154388 DOI: 10.1038/cdd.2012.141] [Citation(s) in RCA: 215] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Activating and inhibitory receptors control natural killer (NK) cell activity. T-cell immunoglobulin and ITIM (immunoreceptor tyrosine-based inhibition motif) domain (TIGIT) was recently identified as a new inhibitory receptor on T and NK cells that suppressed their effector functions. TIGIT harbors the immunoreceptor tail tyrosine (ITT)-like and ITIM motifs in its cytoplasmic tail. However, how its ITT-like motif functions in TIGIT-mediated negative signaling is still unclear. Here, we show that TIGIT/PVR (poliovirus receptor) engagement disrupts granule polarization leading to loss of killing activity of NK cells. The ITT-like motif of TIGIT has a major role in its negative signaling. After TIGIT/PVR ligation, the ITT-like motif is phosphorylated at Tyr225 and binds to cytosolic adapter Grb2, which can recruit SHIP1 to prematurely terminate phosphatidylinositol 3-kinase (PI3K) and MAPK signaling, leading to downregulation of NK cell function. In support of this, Tyr225 or Asn227 mutation leads to restoration of TIGIT/PVR-mediated cytotoxicity, and SHIP1 silencing can dramatically abolish TIGIT/PVR-mediated killing inhibition.
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Affiliation(s)
- S Liu
- CAS Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
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46
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Recognition of the nonclassical MHC class I molecule H2-M3 by the receptor Ly49A regulates the licensing and activation of NK cells. Nat Immunol 2012; 13:1171-7. [PMID: 23142773 DOI: 10.1038/ni.2468] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Accepted: 10/05/2012] [Indexed: 12/26/2022]
Abstract
The development and function of natural killer (NK) cells is regulated by the interaction of inhibitory receptors of the Ly49 family with distinct peptide-laden major histocompatibility complex (MHC) class I molecules, although whether the Ly49 family is able bind to other MHC class I-like molecules is unclear. Here we found that the prototypic inhibitory receptor Ly49A bound the highly conserved nonclassical MHC class I molecule H2-M3 with an affinity similar to its affinity for H-2D(d). The specific recognition of H2-M3 by Ly49A regulated the 'licensing' of NK cells and mediated 'missing-self' recognition of H2-M3-deficient bone marrow. Host peptide-H2-M3 was required for optimal NK cell activity against experimental metastases and carcinogenesis. Thus, nonclassical MHC class I molecules can act as cognate ligands for Ly49 molecules. Our results provide insight into the various mechanisms that lead to NK cell tolerance.
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47
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Jadidi-Niaragh F, Shegarfi H, Naddafi F, Mirshafiey A. The Role of Natural Killer Cells in Alzheimer’s Disease. Scand J Immunol 2012; 76:451-6. [DOI: 10.1111/j.1365-3083.2012.02769.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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48
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The innate natural killer cells in transplant rejection and tolerance induction. Curr Opin Organ Transplant 2012; 13:339-43. [PMID: 18685327 DOI: 10.1097/mot.0b013e3283061115] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
PURPOSE OF REVIEW The roles of adaptive immune cells in transplant models have been extensively studied, but very little is known about the role of innate immune cells in the allograft response, especially in tolerance induction. In this review, we summarized the latest developments in the study of the role of natural killer cells in mediating graft rejection and tolerance induction. RECENT FINDINGS Natural killer cells are potent cytolytic cells; they also induce tissue inflammation by producing powerful proinflammatory cytokines. Thus, natural killer cells can act as effector cells in transplant rejection. Recent studies, however, have demonstrated additional roles for natural killer cells in the induction of transplant tolerance. We found that natural killer cells control survival of graft-derived donor cells and killing of donor dendritic cells by host natural killer cells inhibits direct priming of alloreactive T cells. Natural killer cells are also shown directly to suppress the activation of T cells. In other models, natural killer cells are found to regulate the induction of regulatory T cells. These new findings may have important clinical implications in tolerance induction. SUMMARY Natural killer cells are involved in both graft rejection and tolerance induction; such opposing effects may be mediated by differences in the activation status of natural killer cells. We believe that natural killer cells can be therapeutically modified for the induction of transplant tolerance.
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Shegarfi H, Naddafi F, Mirshafiey A. Natural killer cells and their role in rheumatoid arthritis: friend or foe? ScientificWorldJournal 2012; 2012:491974. [PMID: 22547986 PMCID: PMC3322405 DOI: 10.1100/2012/491974] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 11/30/2011] [Indexed: 01/02/2023] Open
Abstract
Rheumatoid arthritis (RA) is a long-term disease that leads to inflammation of the joints and surrounding tissues. Natural killer (NK) cells are an important part of the innate immune system and are responsible for the first line of defense against pathogens during the initial immune challenge before the adaptive immune system eventually eliminates the infectious burden. NK cells have the capacity to damage normal cells or through interaction with other cells such as dendritic cells, macrophages, and T cells cause autoimmune diseases, such as RA. NK cells isolated from the joints of patients with RA suggest that they may play a role in this disease. However, the involvement of NK cells in RA pathology is not fully elucidated. Both protective and detrimental roles of NK cells in RA have recently been reported. A better understanding of NK cells' role in RA might help to develop new therapeutic strategies for treatment of the RA or other autoimmune diseases. We have decided in this paper to focus on the NK cell biology, and attempt to bring the interested readership of this Journal up to date on the NK cell, specifically its possible relation to RA.
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Affiliation(s)
- Hamid Shegarfi
- Department of Anatomy, Institute of Basic Medical Sciences, University of Oslo, 0316 Oslo, Norway
| | - Fatemeh Naddafi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, P.O. Box 6446 Tehran 14155, Iran
| | - Abbas Mirshafiey
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, P.O. Box 6446 Tehran 14155, Iran
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50
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Vivier E, Ugolini S, Blaise D, Chabannon C, Brossay L. Targeting natural killer cells and natural killer T cells in cancer. Nat Rev Immunol 2012; 12:239-52. [PMID: 22437937 DOI: 10.1038/nri3174] [Citation(s) in RCA: 604] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Natural killer (NK) cells and natural killer T (NKT) cells are subsets of lymphocytes that share some phenotypical and functional similarities. Both cell types can rapidly respond to the presence of tumour cells and participate in antitumour immune responses. This has prompted interest in the development of innovative cancer therapies that are based on the manipulation of NK and NKT cells. Recent studies have highlighted how the immune reactivity of NK and NKT cells is shaped by the environment in which they develop. The rational use of these cells in cancer immunotherapies awaits a better understanding of their effector functions, migratory patterns and survival properties in humans.
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Affiliation(s)
- Eric Vivier
- Centre d'Immunologie de Marseille-Luminy, Université d'Aix-Marseille, Marseille, France.
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