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Mikhailova V, Khokhlova E, Grebenkina P, Salloum Z, Nikolaenkov I, Markova K, Davidova A, Selkov S, Sokolov D. NK-92 cells change their phenotype and function when cocultured with IL-15, IL-18 and trophoblast cells. Immunobiology 2021; 226:152125. [PMID: 34365089 DOI: 10.1016/j.imbio.2021.152125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 07/02/2021] [Accepted: 07/20/2021] [Indexed: 02/03/2023]
Abstract
NK cell development is affected by their cellular microenvironment and cytokines, including IL-15 and IL-18. NK cells can differentiate in secondary lymphoid organs, liver and within the uterus in close contact with trophoblast cells. The aim was to evaluate changes in the NK cell phenotype and function in the presence of IL-15, IL-18 and JEG-3, a trophoblast cell line. When cocultured with JEG-3 cells, IL-15 caused an increase in the number of NKG2D+ NK-92 cells and the intensity of CD127 expression. IL-18 stimulates an increase in the amount of NKp44+ NK-92 cells and in the intensity of NKp44 expression by pNK in the presence of trophoblast cells. NK-92 cell cytotoxic activity against JEG-3 cells increased only in presence of IL-18. Data on changes in the cytotoxic activity of NK-92 cells against JEG-3 cells in the presence of IL-15 and IL-18 indicate the modulation of NK cell function both by the cytokine microenvironment and directly by target cells. IL-15 and IL-18 were present in conditioned media (CM) from 1st and 3rd trimester placentas. In the presence of 1st trimester CM and JEG-3 cells, NK-92 cells showed an increase in the intensity of NKG2D expression. In the presence of 3rd trimester CM and JEG-3 cells, a decrease in the expression of NKG2D by NK-92 cells was observed. Thus, culturing of NK-92 cells with JEG-3 trophoblast cells stimulated a pronounced change in the NK cell phenotype, bringing it closer to the decidual NK cell-like phenotype.
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Affiliation(s)
- Valentina Mikhailova
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Evgeniia Khokhlova
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Polina Grebenkina
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Zeina Salloum
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Igor Nikolaenkov
- Department of Obstetrics, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Kseniya Markova
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Alina Davidova
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Sergey Selkov
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
| | - Dmitriy Sokolov
- Department of Immunology and Intercellular Interactions, Federal State Budgetary Scientific Institution, Research Institute of Obstetrics, Gynecology, and Reproductology named after D.O. Ott, Russia
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The NKG2D ligand ULBP4 is not expressed by human monocytes. PLoS One 2021; 16:e0246726. [PMID: 33556116 PMCID: PMC7870063 DOI: 10.1371/journal.pone.0246726] [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: 04/02/2020] [Accepted: 01/26/2021] [Indexed: 11/21/2022] Open
Abstract
The C-type lectin-like receptor NKG2D contributes to the immunosurveillance of virally infected and malignant cells by cytotoxic lymphocytes. A peculiar and puzzling feature of the NKG2D-based immunorecognition system is the high number of ligands for this single immunoreceptor. In humans, there are a total of eight NKG2D ligands (NKG2DL) comprising two members of the MIC (MICA, MICB) and six members of the ULBP family of glycoproteins (ULBP1 to ULBP6). While MICA has been extensively studied with regard to its biochemistry, cellular expression and function, very little is known about the NKG2DL ULBP4. This is, at least in part, due to its rather restricted expression by very few cell lines and tissues. Recently, constitutive ULBP4 expression by human monocytes was reported, questioning the view of tissue-restricted ULBP4 expression. Here, we scrutinized ULBP4 expression by human peripheral blood mononuclear cells and monocytes by analyzing ULBP4 transcripts and ULBP4 surface expression. In contrast to MICA, there was no ULBP4 expression detectable, neither by freshly isolated monocytes nor by PAMP-activated monocytes. However, a commercial antibody erroneously indicated surface ULBP4 on monocytes due to a non-ULBP4-specific binding activity, emphasizing the critical importance of validated reagents for life sciences. Collectively, our data show that ULBP4 is not expressed by monocytes, and likely also not by other peripheral blood immune cells, and therefore exhibits an expression pattern rather distinct from other human NKG2DL.
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Fu HY, Bao WM, Yang CX, Lai WJ, Xu JM, Yu HY, Yang YN, Tan X, Gupta AK, Tang YM. Kupffer Cells Regulate Natural Killer Cells Via the NK group 2, Member D (NKG2D)/Retinoic Acid Early Inducible-1 (RAE-1) Interaction and Cytokines in a Primary Biliary Cholangitis Mouse Model. Med Sci Monit 2020; 26:e923726. [PMID: 32599603 PMCID: PMC7346879 DOI: 10.12659/msm.923726] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Kupffer cells and natural killer (NK) cells has been identified as contributing factors in the pathogenesis of hepatitis, but the detailed mechanism of these cell types in the pathogenesis of primary biliary cholangitis (PBC) is poorly understood. Material/Methods In this study, polyinosinic: polycytidylic acid (poly I: C), 2-octynoic acid-bovine serum albumin (2OA-BSA) and Freund’s adjuvant (FA) were injected to establish a murine PBC model, from which NK cells and Kupffer cells were extracted and isolated. The cells were then co-cultivated in a designed culture system, and then NK group 2, member D (NKG2D), retinoic acid early inducible-1 (RAE-1), F4/80, and cytokine expression levels were detected. Results The results showed close crosstalk between Kupffer cells and NK cells. PBC mice showed increased surface RAE-1 protein expression and Kupffer cell cytokine secretion, which subsequently activated NK cell-mediated target cell killing via NKG2D/RAE-1 recognition, and increased inflammation. NK cell-derived interferon-γ (IFN-γ) and Kupffer cell-derived tumor necrosis factor α (TNF-α) were found to synergistically regulate inflammation. Moreover, interleukin (IL)-12 and IL-10 improved the crosstalk between NK cells and Kupffer cells. Conclusions Our findings in mice are the first to suggest the involvement of the NKG2D/RAE-1 interaction and cytokines in the synergistic effects of NK and Kupffer cells in PBC.
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Affiliation(s)
- Hai-Yan Fu
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Wei-Min Bao
- Department of Hepatobiliary Surgery, First People's Hospital of Yunnan, Kunming, Yunnan, China (mainland)
| | - Cai-Xia Yang
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Wei-Ju Lai
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Jia-Min Xu
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Hai-Yan Yu
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Yi-Na Yang
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Xu Tan
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Ajay Kumar Gupta
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Ying-Mei Tang
- Department of Gastroenterology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China (mainland)
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Guerra N, Lanier LL. Editorial: Emerging Concepts on the NKG2D Receptor-Ligand Axis in Health and Diseases. Front Immunol 2020; 11:562. [PMID: 32318064 PMCID: PMC7155425 DOI: 10.3389/fimmu.2020.00562] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 03/12/2020] [Indexed: 12/29/2022] Open
Affiliation(s)
- Nadia Guerra
- Department of Life Sciences, Imperial College London, London, United Kingdom
| | - Lewis L Lanier
- Department of Microbiology and Immunology, University of California, San Francisco, San Francisco, CA, United States.,The Parker Institute for Cancer Immunotherapy, San Francisco, CA, United States
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Luo Q, Luo W, Zhu Q, Huang H, Peng H, Liu R, Xie M, Li S, Li M, Hu X, Zou Y. Tumor-Derived Soluble MICA Obstructs the NKG2D Pathway to Restrain NK Cytotoxicity. Aging Dis 2020; 11:118-128. [PMID: 32010486 PMCID: PMC6961768 DOI: 10.14336/ad.2019.1017] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 06/28/2019] [Indexed: 12/31/2022] Open
Abstract
The natural killer group 2D (NKG2D) receptor and its ligands play important roles in immune surveillance. In this study, we observed that the average serum soluble MICA (sMICA) concentration of 174 hepatocellular carcinoma (HCC) patients was significantly higher than that in 80 healthy subjects (602.17 ± 338.15 vs. 72.26 ± 87.88 pg/ml, t = 3.107, P=0.002). The levels of serum sMICA in 44 HCC patients with initial levels above 400 pg/ml declined significantly after surgical removal of the liver cancer tissue (P<0.001). Moreover, the mean survival time of HCC patients who had sMICA above 400 pg/ml was significantly shorter than that HCC patients with lower sMICA levels (P<0.001). Using the reporter cell line (NKG2D-2B4) in which activation of the NKG2D receptor pathway results in GFP expression based on the stimulation of immobilized rMICA, we showed that the number of GFP-expressing cells decreased sharply in presence of sMICA. Upon adding sMICA, the release of cytokines IFN-γ, TNF-α, and IL-8 by NK cell line (NKL) under stimulation of immobilized rMICA was blocked. Using MICA-expressing cells as the target cells, we observed that about 80% of target cells were killed by NKL at E:T of 10:1, but in presence of sMICAhigh serum of HCC patients, the dead target cells were reduced to 30.8%. Compared in presence of sMICAlow serum from HCC patients, there were 63.7% of target cells dead (p=0.043). Thus, our data suggested that sMICA obstructs the activation of NKG2D pathway to protect tumor cells from NK cell-mediated cytotoxicity.
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Affiliation(s)
- Qizhi Luo
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Weiguang Luo
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China.,2Department of Physiology, University of Texas Southwestern Medical Center at Dallas, TX, USA
| | - Quan Zhu
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Hongjun Huang
- 3Cancer Hospital of Hunan, Xiangya Medical School, Central South University, Changsha, Hunan, China
| | - Huiyun Peng
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Rongjiao Liu
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Min Xie
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Shili Li
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Ming Li
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
| | - Xiaocui Hu
- 3Cancer Hospital of Hunan, Xiangya Medical School, Central South University, Changsha, Hunan, China
| | - Yizhou Zou
- 1Department of Immunology, Basic Medical School of Central South University, Changsha, Hunan, China
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