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Feils AS, Erbe AK, Birstler J, Kim K, Hoch U, Currie SL, Nguyen T, Yu D, Siefker-Radtke AO, Tannir N, Tolaney SM, Diab A, Sondel PM. Associations between KIR/KIR-ligand genotypes and clinical outcome for patients with advanced solid tumors receiving BEMPEG plus nivolumab combination therapy in the PIVOT-02 trial. Cancer Immunol Immunother 2023; 72:2099-2111. [PMID: 36823323 PMCID: PMC10264535 DOI: 10.1007/s00262-023-03383-w] [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: 10/21/2022] [Accepted: 01/22/2023] [Indexed: 02/25/2023]
Abstract
Bempegaldesleukin (BEMPEG), a CD122-preferential IL2 pathway agonist, has been shown to induce proliferation and activation of NK cells. NK activation is dependent on the balance of inhibitory and excitatory signals transmitted by NK receptors, including Fc-gamma receptors (FCγRs) and killer immunoglobulin-like receptors (KIRs) along with their KIR-ligands. The repertoire of KIRs/KIR-ligands an individual inherits and the single-nucleotide polymorphisms (SNPs) of FCγRs can influence NK function and affect responses to immunotherapies. In this retrospective analysis of the single-arm PIVOT-02 trial, 200 patients with advanced solid tumors were genotyped for KIR/KIR-ligand gene status and FCγR SNP status and evaluated for associations with clinical outcome. Patients with inhibitory KIR2DL2 and its ligand (HLA-C1) observed significantly greater tumor shrinkage (TS, median change -13.0 vs. 0%) and increased PFS (5.5 vs. 3.3 months) and a trend toward improved OR (31.2 vs. 19.5%) compared to patients with the complementary genotype. Furthermore, patients with KIR2DL2 and its ligand together with inhibitory KIR3DL1 and its ligand (HLA-Bw4) had improved OR (36.5 vs. 19.6%), greater TS (median change -16.1 vs. 0%), and a trend toward prolonged PFS (8.4 vs. 3.6 months) as compared to patients with the complementary genotype. FCγR polymorphisms did not influence OR/PFS/TS.These data show that clinical response to BEMPEG plus nivolumab treatment in the PIVOT-02 trial may be associated with the repertoire of KIR/KIR-ligands an individual inherits. Further investigation and validation of these results may enable KIR/KIR-ligand genotyping to be utilized prospectively for identifying patients likely to benefit from certain cancer immunotherapy regimens.
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Affiliation(s)
- A S Feils
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - A K Erbe
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - J Birstler
- Department of Biostatistics and Medical Informatics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - K Kim
- Department of Biostatistics and Medical Informatics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA
| | - U Hoch
- Nektar Therapeutics, San Francisco, CA, USA
| | | | - T Nguyen
- Nektar Therapeutics, San Francisco, CA, USA
| | - D Yu
- Nektar Therapeutics, San Francisco, CA, USA
| | | | - N Tannir
- University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - S M Tolaney
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - A Diab
- University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - P M Sondel
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA.
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
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2
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Killer-Cell Immunoglobulin-like Receptor Diversity in an Admixed South American Population. Cells 2022; 11:cells11182776. [PMID: 36139351 PMCID: PMC9496851 DOI: 10.3390/cells11182776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
Natural Killer (NK) cells are innate immune cells that mediate antiviral and antitumor responses. NK cell activation and induction of effector functions are tightly regulated by the integration of activating and inhibitory receptors such as killer immunoglobulin-like receptors (KIR). KIR genes are characterized by a high degree of diversity due to presence or absence, gene copy number and allelic polymorphism. The aim of this study was to establish the distribution of KIR genes and genotypes, to infer the most common haplotypes in an admixed Colombian population and to compare these KIR gene frequencies with some Central and South American populations and worldwide. A total of 161 individuals from Medellin, Colombia were included in the study. Genomic DNA was used for KIR and HLA genotyping. We analyzed only KIR gene-content (presence or absence) based on PCR-SSO. The KIR genotype, most common haplotypes and combinations of KIR and HLA ligands frequencies were estimated according to the presence or absence of KIR and HLA genes. Dendrograms, principal component (PC) analysis and Heatmap analysis based on genetic distance were constructed to compare KIR gene frequencies among Central and South American, worldwide and Amerindian populations. The 16 KIR genes analyzed were distributed in 37 different genotypes and the 7 most frequent KIR inferred haplotypes. Importantly, we found three new genotypes not previously reported in any other ethnic group. Our genetic distance, PC and Heatmap analysis revealed marked differences in the distribution of KIR gene frequencies in the Medellin population compared to worldwide populations. These differences occurred mainly in the activating KIR isoforms, which are more frequent in our population, particularly KIR3DS1. Finally, we observed unique structural patterns of genotypes, which evidences the potential diversity and variability of this gene family in our population, and the need for exhaustive genetic studies to expand our understanding of the KIR gene complex in Colombian populations.
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Medjouel Khlifi H, Guia S, Vivier E, Narni-Mancinelli E. Role of the ITAM-Bearing Receptors Expressed by Natural Killer Cells in Cancer. Front Immunol 2022; 13:898745. [PMID: 35757695 PMCID: PMC9231431 DOI: 10.3389/fimmu.2022.898745] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/19/2022] [Indexed: 12/22/2022] Open
Abstract
Natural Killer (NK) cells are innate lymphoid cells (ILCs) capable of recognizing and directly killing tumor cells. They also secrete cytokines and chemokines, which participate in the shaping of the adaptive response. NK cells identify tumor cells and are activated through a net positive signal from inhibitory and activating receptors. Several activating NK cell receptors are coupled to adaptor molecules containing an immunoreceptor tyrosine-based activation motif (ITAM). These receptors include CD16 and the natural cytotoxic receptors NKp46, NKp44, NKp30 in humans. The powerful antitumor NK cell response triggered by these activating receptors has made them attractive targets for exploitation in immunotherapy. In this review, we will discuss the different activating receptors associated with ITAM-bearing cell surface receptors expressed on NK cells, their modulations in the tumor context and the various therapeutic tools developed to boost NK cell responses in cancer patients.
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Affiliation(s)
- Hakim Medjouel Khlifi
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Sophie Guia
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France
| | - Eric Vivier
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France.,Innate Pharma Research Laboratories, Marseille, France.,APHM, Hôpital de la Timone, Marseille-Immunopôle, Marseille, France
| | - Emilie Narni-Mancinelli
- Aix-Marseille Université, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Centre d'Immunologie de Marseille-Luminy (CIML), Marseille, France
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4
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Sezgin G, Görüroğlu Öztürk Ö, Özkan A, Küpeli S, Bayram İ. Clinical Impact of KIR2DS3 and KIR2DL3 Genes in Neuroblastoma Patients. Med Princ Pract 2022; 31:532-539. [PMID: 35537400 PMCID: PMC9841757 DOI: 10.1159/000524656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 04/09/2022] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVE Neuroblastoma is a common fatal tumor of childhood. Natural killer (NK) cells can exert direct cytotoxicity on tumor cells. The killer immunoglobulin-like receptor (KIR) family of NK cell receptors is involved in activation/inhibition of NK cells. In the KIR gene cluster, six of them (3DS1, 2DS1-5) encode receptors triggering activation, while seven of them (3DL1-3, 2DL1-3, 2DL5) encode receptors triggering inhibition. We aimed to assess the distribution of genetic polymorphisms of KIRs on the clinical course of neuroblastoma and provide guidance on potential therapeutic options. METHODS Our study group included 50 neuroblastoma patients and 100 healthy children as controls. Twenty-eight patients were boys, and twenty-two were girls; median age was 36 months. Fourteen patients had stage 1, 2, 3, or 4S disease, and 36 patients had stage 4 disease. Isolated DNA from the peripheral blood was amplified for sequence-specific oligonucleotide probe analysis of 16 KIR genes. The Fisher's exact test was used to evaluate the variation of KIR gene distribution. RESULTS All patients had a lower frequency of KIR2DS3 compared to the control group (p = 0.005). Evaluation of individual KIR genes/genotypes in patients with early stages (stage 1, 2, 3, and 4S) versus stage 4 disease revealed that the frequency of KIR2DS3 was increased in early stages (p = 0.023). Inhibitory KIR2DL3 was increased in the patient group compared to controls (p = 0.038). Furthermore, the frequency of KIR2DL3 was higher in stage 4 neuroblastoma patients compared to the patients with early stages (p = 0.023). CONCLUSION Our data suggest a role for KIR2DS3 and KIR2DL3 in development of neuroblastoma. Thus, modulation of KIR2SD3 and/or KIR2DL3 expression or function might present a novel therapeutic strategy for neuroblastoma.
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Affiliation(s)
- Gülay Sezgin
- Division of Pediatric Oncology/Pediatric BMT Unit, Çukurova University Medical School, Adana, Turkey
- *Gülay Sezgin,
| | | | - Ayşe Özkan
- Division of Pediatric Oncology/Pediatric BMT Unit, Çukurova University Medical School, Adana, Turkey
| | - Serhan Küpeli
- Division of Pediatric Oncology/Pediatric BMT Unit, Çukurova University Medical School, Adana, Turkey
| | - İbrahim Bayram
- Division of Pediatric Oncology/Pediatric BMT Unit, Çukurova University Medical School, Adana, Turkey
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5
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Dębska-Zielkowska J, Moszkowska G, Zieliński M, Zielińska H, Dukat-Mazurek A, Trzonkowski P, Stefańska K. KIR Receptors as Key Regulators of NK Cells Activity in Health and Disease. Cells 2021; 10:1777. [PMID: 34359951 PMCID: PMC8303609 DOI: 10.3390/cells10071777] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/05/2021] [Accepted: 07/09/2021] [Indexed: 12/12/2022] Open
Abstract
Natural killer (NK) cells are part of the cellular immune response. They target mainly cancer and virally infected cells. To a high extent cytotoxic activity of NK cells is regulated inter alia by signals from killer immunoglobulin-like receptors (KIR). The major histocompatibility complex (MHC) class I molecules are important ligands for KIR receptors. Binding of ligands (such as MHC I) to the KIR receptors has the important role in solid organ or hematopoietic cell transplantation. Of note, the understanding of the relationship between KIR and MHC receptors may contribute to the improvement of transplant results. Donor-recipient matching, which also includes the KIR typing, may improve monitoring, individualize the treatment and allow for predicting possible effects after transplantation, such as the graft-versus-leukemia effect (GvL) or viral re-infection. There are also less evident implications of KIR/MHC matching, such as with pregnancy and cancer. In this review, we present the most relevant literature reports on the importance of the KIR/MHC relationship on NK cell activity and hematopoietic stem cell transplantation (HSCT)/solid organ transplantation (SOT) effects, the risk of allograft rejection, protection against post-transplant cytomegalovirus (CMV) infection, pregnancy complications, cancer and adoptive therapy with NK cells.
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Affiliation(s)
- Joanna Dębska-Zielkowska
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Grażyna Moszkowska
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Maciej Zieliński
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Hanna Zielińska
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Anna Dukat-Mazurek
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Piotr Trzonkowski
- Department of Medical Immunology, Medical University of Gdańsk, 80-210 Gdansk, Poland; (G.M.); (M.Z.); (H.Z.); (A.D.-M.); (P.T.)
| | - Katarzyna Stefańska
- Department of Obstetrics, Medical University of Gdańsk, 80-214 Gdansk, Poland;
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6
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Llosa NJ, Cooke KR, Chen AR, Gamper CJ, Klein OR, Zambidis ET, Luber B, Rosner G, Siegel N, Holuba MJ, Robey N, Hayashi M, Jones RJ, Fuchs E, Holdhoff M, Loeb DM, Symons HJ. Reduced-Intensity Haploidentical Bone Marrow Transplantation with Post-Transplant Cyclophosphamide for Solid Tumors in Pediatric and Young Adult Patients. Biol Blood Marrow Transplant 2017; 23:2127-2136. [PMID: 28807769 PMCID: PMC5986177 DOI: 10.1016/j.bbmt.2017.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 08/09/2017] [Indexed: 11/21/2022]
Abstract
High-risk, recurrent, or refractory solid tumors in pediatric, adolescent, and young adult (AYA) patients have an extremely poor prognosis despite current intensive treatment regimens. We piloted an allogeneic bone marrow transplant platform using reduced-intensity conditioning (RIC) and partially HLA-mismatched (haploidentical) related donors for this population of pediatric and AYA solid tumor patients. Sixteen patients received fludarabine, cyclophosphamide, melphalan, and low-dose total body irradiation RIC haploidentical BMT (haploBMT) followed by post-transplantation cyclophosphamide (PTCy), mycophenolate mofetil, and sirolimus. All assessable patients were full donor chimeras on day 30 with a median neutrophil recovery of 19 days and platelet recovery of 21 days. One patient (7%) exhibited secondary graft failure associated with concomitant infection. The median follow-up time was 15 months. Overall survival was 88%, 56%, and 21% at 6, 12, and 24 months, respectively. Median survival from transplant date was 14 months with a median progression-free survival 7 months. We observed limited graft-versus-host disease in 3 patients and nonrelapse mortality in 1 patient. We demonstrated that RIC haploBMT with PTCy is feasible and has acceptable toxicities in patients with incurable pediatric and AYA solid tumors; thus, this approach serves as a platform for post-transplant strategies to prevent relapse and optimize progression-free survival.
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Affiliation(s)
- Nicolas J Llosa
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland.
| | - Kenneth R Cooke
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Allen R Chen
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Christopher J Gamper
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Orly R Klein
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Elias T Zambidis
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Brandon Luber
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Gary Rosner
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Nicholas Siegel
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Mary Jo Holuba
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Nancy Robey
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Masanori Hayashi
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Richard J Jones
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Ephraim Fuchs
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Matthias Holdhoff
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - David M Loeb
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
| | - Heather J Symons
- Blood and Marrow Transplantation Program, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins Hospital, Baltimore, Maryland
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7
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Erbe AK, Wang W, Carmichael L, Kim K, Mendonça EA, Song Y, Hess D, Reville PK, London WB, Naranjo A, Hank JA, Diccianni MB, Reisfeld RA, Gillies SD, Matthay KK, Cohn SL, Hogarty MD, Maris JM, Park JR, Ozkaynak MF, Gilman AL, Yu AL, Sondel PM. Neuroblastoma Patients' KIR and KIR-Ligand Genotypes Influence Clinical Outcome for Dinutuximab-based Immunotherapy: A Report from the Children's Oncology Group. Clin Cancer Res 2017; 24:189-196. [PMID: 28972044 DOI: 10.1158/1078-0432.ccr-17-1767] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/24/2017] [Accepted: 09/22/2017] [Indexed: 11/16/2022]
Abstract
Purpose: In 2010, a Children's Oncology Group (COG) phase III randomized trial for patients with high-risk neuroblastoma (ANBL0032) demonstrated improved event-free survival (EFS) and overall survival (OS) following treatment with an immunotherapy regimen of dinutuximab, GM-CSF, IL2, and isotretinoin compared with treatment with isotretinoin alone. Dinutuximab, a chimeric anti-GD2 monoclonal antibody, acts in part via natural killer (NK) cells. Killer immunoglobulin-like receptors (KIR) on NK cells and their interactions with KIR-ligands can influence NK cell function. We investigated whether KIR/KIR-ligand genotypes were associated with EFS or OS in this trial.Experimental Design: We genotyped patients from COG study ANBL0032 and evaluated the effect of KIR/KIR-ligand genotypes on clinical outcomes. Cox regression models and log-rank tests were used to evaluate associations of EFS and OS with KIR/KIR-ligand genotypes.Results: In this trial, patients with the "all KIR-ligands present" genotype as well as patients with inhibitory KIR2DL2 with its ligand (HLA-C1) together with inhibitory KIR3DL1 with its ligand (HLA-Bw4) were associated with improved outcome if they received immunotherapy. In contrast, for patients with the complementary KIR/KIR-ligand genotypes, clinical outcome was not significantly different for patients who received immunotherapy versus those receiving isotretinoin alone.Conclusions: These data show that administration of immunotherapy is associated with improved outcome for neuroblastoma patients with certain KIR/KIR-ligand genotypes, although this was not seen for patients with other KIR/KIR-ligand genotypes. Further investigation of KIR/KIR-ligand genotypes may clarify their role in cancer immunotherapy and may enable KIR/KIR-ligand genotyping to be used prospectively for identifying patients likely to benefit from certain cancer immunotherapy regimens. Clin Cancer Res; 24(1); 189-96. ©2017 AACRSee related commentary by Cheung and Hsu, p. 3.
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Affiliation(s)
- Amy K Erbe
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin
| | - Wei Wang
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin
| | - Lakeesha Carmichael
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, Wisconsin
| | - KyungMann Kim
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, Wisconsin
| | - Eneida A Mendonça
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, Wisconsin.,Department of Pediatrics, University of Wisconsin, Madison, Wisconsin
| | - Yiqiang Song
- Department of Biostatistics and Medical Informatics, University of Wisconsin, Madison, Wisconsin
| | - Dustin Hess
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin
| | - Patrick K Reville
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin
| | - Wendy B London
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts
| | - Arlene Naranjo
- COG Statistics and Data Center, Department of Biostatistics, University of Florida, Gainesville, Florida
| | - Jacquelyn A Hank
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin
| | - Mitchell B Diccianni
- Department of Pediatrics, Hematology/Oncology and Moores Cancer Center, University of California, San Diego, California
| | | | | | - Katherine K Matthay
- UCSF Benioff Children's Hospital and University of California School of Medicine, San Francisco, California
| | - Susan L Cohn
- Department of Pediatrics, University of Chicago, Chicago, Illinois
| | - Michael D Hogarty
- Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - John M Maris
- Children's Hospital of Philadelphia and University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Julie R Park
- Seattle Children's Hospital, Seattle, Washington.,University of Washington, Seattle, Washington
| | | | | | - Alice L Yu
- Department of Pediatrics, Hematology/Oncology and Moores Cancer Center, University of California, San Diego, California.,Institute of Stem Cell & Translational Cancer Research, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Paul M Sondel
- Department of Human Oncology, University of Wisconsin, Madison, Wisconsin. .,Department of Pediatrics, University of Wisconsin, Madison, Wisconsin
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8
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Siebert N, Jensen C, Troschke-Meurer S, Zumpe M, Jüttner M, Ehlert K, Kietz S, Müller I, Lode HN. Neuroblastoma patients with high-affinity FCGR2A, -3A and stimulatory KIR 2DS2 treated by long-term infusion of anti-GD 2 antibody ch14.18/CHO show higher ADCC levels and improved event-free survival. Oncoimmunology 2016; 5:e1235108. [PMID: 27999754 DOI: 10.1080/2162402x.2016.1235108] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/07/2016] [Accepted: 09/07/2016] [Indexed: 12/11/2022] Open
Abstract
Polymorphisms in Fc-gamma-receptor (FCGR) genes as well as killer cell immunoglobulin-like receptor (KIR) and KIR ligand (KIRL) repertoires may influence antitumor effects of monoclonal antibodies (mAb). Here, we systematically analyzed high- and low-affinity FCGR2A and -3A genotypes as well as stimulating and inhibitory KIR/KIRL combinations in 53 neuroblastoma (NB) patients treated by long-term infusion (LTI) of anti-GD2 IgG1 Ab ch14.18/CHO using validated real-time PCR methods. Patients with high-affinity FCGR2A and -3A genotypes showed a higher level of Ab-dependent cell-mediated cytotoxicity (ADCC) on day 8 after the start of ch14.18/CHO and superior event-free survival (EFS) compared to patients with low FCGR genotypes. Similar observations were made for patients with stimulatory KIR/KIRL haplotype B (combination of KIR genes including activating receptor genes) compared to inhibitory haplotype A (a fixed set of genes encoding for inhibitory receptors, except 2DS4) and stronger effects were found in patients when haplotype B and high-affinity FCGRs were combined. Surprisingly, independent analysis of KIRs showed a major role of activating KIR 2DS2 for high ADCC levels and prolongation of EFS. The greatest effect was observed in 2DS2-positive patients that also had high-affinity FCGR2A and -3A genotypes. In summary, the presence of the activating KIR 2DS2 has a major effect on ADCC levels and survival in NB patients treated by LTI of ch14.18/CHO and may therefore be a useful biomarker in combination with FCGR polymorphisms for Ab-based immunotherapies.
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Affiliation(s)
- Nikolai Siebert
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Christian Jensen
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Sascha Troschke-Meurer
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Maxi Zumpe
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Madlen Jüttner
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Karoline Ehlert
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Silke Kietz
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Ina Müller
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
| | - Holger N Lode
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald , Greifswald, Germany
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9
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Augusto DG. The Impact of KIR Polymorphism on the Risk of Developing Cancer: Not as Strong as Imagined? Front Genet 2016; 7:121. [PMID: 27446203 PMCID: PMC4923111 DOI: 10.3389/fgene.2016.00121] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 06/14/2016] [Indexed: 11/13/2022] Open
Abstract
The polymorphism of killer cell immunoglobulin-like receptors (KIR) has been associated with several diseases, including infection, autoimmunity and cancer. KIR molecules are a family of receptors expressed on the surface of natural killer cells (NK), frontline defense of innate immunity against microorganisms and neoplastic cells. Some studies have shown conflicting results concerning the role that KIR polymorphism plays in tumor susceptibility, particularly in leukemia and lymphoma. Interestingly, the presence of HLA ligands is sometimes strongly associated with several types of cancer and apparently is not related with their interaction with KIR. This manuscript briefly reviews the uncommon polymorphism of KIR and critically summarizes the recent findings with regards of the importance of KIR variation for cancer susceptibility.
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Affiliation(s)
- Danillo G Augusto
- Laboratório de Genética Molecular Humana, Departamento de Genética, Universidade Federal do Paraná Curitiba, Brazil
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Cacalano NA. Regulation of Natural Killer Cell Function by STAT3. Front Immunol 2016; 7:128. [PMID: 27148255 PMCID: PMC4827001 DOI: 10.3389/fimmu.2016.00128] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 03/21/2016] [Indexed: 01/05/2023] Open
Abstract
Natural killer (NK) cells, key members of a distinct hematopoietic lineage, innate lymphoid cells, are not only critical effectors that mediate cytotoxicity toward tumor and virally infected cells but also regulate inflammation, antigen presentation, and the adaptive immune response. It has been shown that NK cells can regulate the development and activation of many other components of the immune response, such as dendritic cells, which in turn, modulate the function of NK cells in multiple synergistic feed back loops driven by cell–cell contact, and the secretion of cytokines and chemokines that control effector function and migration of cells to sites of immune activation. The signal transducer and activator of transcription (STAT)-3 is involved in driving almost all of the pathways that control NK cytolytic activity as well as the reciprocal regulatory interactions between NK cells and other components of the immune system. In the context of tumor immunology, NK cells are a first line of defense that eliminates pre-cancerous and transformed cells early in the process of carcinogenesis, through a mechanism of “immune surveillance.” Even after tumors become established, NK cells are critical components of anticancer immunity: dysfunctional NK cells are often found in the peripheral blood of cancer patients, and the lack of NK cells in the tumor microenvironment often correlates to poor prognosis. The pathways and soluble factors activated in tumor-associated NK cells, cancer cells, and regulatory myeloid cells, which determine the outcome of cancer immunity, are all critically regulated by STAT3. Using the tumor microenvironment as a paradigm, we present here an overview of the research that has revealed fundamental mechanisms through which STAT3 regulates all aspects of NK cell biology, including NK development, activation, target cell killing, and fine tuning of the innate and adaptive immune responses.
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Affiliation(s)
- Nicholas A Cacalano
- Department of Radiation Oncology, David Geffen School of Medicine at UCLA , Los Angeles, CA , USA
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