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Kumar A, Singh N, Anvikar AR, Misra G. Monkeypox virus: insights into pathogenesis and laboratory testing methods. 3 Biotech 2024; 14:67. [PMID: 38357674 PMCID: PMC10861412 DOI: 10.1007/s13205-024-03920-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 01/07/2024] [Indexed: 02/16/2024] Open
Abstract
The monkeypox virus (MPXV) is a zoonotic pathogen that transmits between monkeys and humans, exhibiting clinical similarities with the smallpox virus. Studies on the immunopathogenesis of MPXV revealed that an initial strong innate immune response is elicited on viral infection that subsequently helps in circumventing the host defense. Once the World Health Organization (WHO) declared it a global public health emergency in July 2022, it became essential to clearly demarcate the MPXV-induced symptoms from other viral infections. We have exhaustively searched the various databases involving Google Scholar, PubMed, and Medline to extract the information comprehensively compiled in this review. The primary focus of this review is to describe the diagnostic methods for MPXV such as polymerase chain reaction (PCR), and serological assays, along with developments in viral isolation, imaging techniques, and next-generation sequencing. These innovative technologies have the potential to greatly enhance the accuracy of diagnostic procedures. Significant discoveries involving MPXV immunopathogenesis have also been highlighted. Overall, this will be a knowledge repertoire that will be crucial for the development of efficient monitoring and control strategies in response to the MPXV infection helping clinicians and researchers in formulating healthcare strategies.
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Affiliation(s)
- Anoop Kumar
- National Institute of Biologicals, A-32, Sector-62, Institutional Area, Noida, U.P. 201309 India
| | - Neeraj Singh
- National Institute of Biologicals, A-32, Sector-62, Institutional Area, Noida, U.P. 201309 India
| | - Anupkumar R. Anvikar
- National Institute of Biologicals, A-32, Sector-62, Institutional Area, Noida, U.P. 201309 India
| | - Gauri Misra
- National Institute of Biologicals, A-32, Sector-62, Institutional Area, Noida, U.P. 201309 India
- Head Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), Noida, U.P. 201309 India
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Saadh MJ, Rasulova I, Khalil M, Farahim F, Sârbu I, Ciongradi CI, Omar TM, Alhili A, Jawad MJ, Hani T, Ali T, Lakshmaiya N. Natural killer cell-mediated immune surveillance in cancer: Role of tumor microenvironment. Pathol Res Pract 2024; 254:155120. [PMID: 38280274 DOI: 10.1016/j.prp.2024.155120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/29/2024]
Abstract
In the immunological surveillance against cancer, natural killer (NK) cells are essential effectors that help eradicate altered cells. The complex interactions that occur between NK cells and the tumor microenvironment (TME) are thoroughly examined in this review. The review examines how cytokine stimulation affects NK cell activation, focusing on the dynamic modulation of NK cell function within the TME. It looks at NK cell-related biomarkers such as PD-1/PD-L1, methylation HOXA9 (Homeobox A9), Stroma AReactive Invasion Front Areas (SARIFA), and NKG2A/HLA-E, providing critical information about prognosis and treatment outcomes. The changing landscape of immunotherapies-including checkpoint inhibitors, CAR-NK cells, and cytokine-based interventions-is examined in the context of enhancing NK cell activity. The review highlights the potential pathways for precision medicine going forward, focusing on customized immunotherapies based on unique biomarker profiles and investigating combination medicines to produce more robust anti-tumor responses.
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Affiliation(s)
- Mohamed J Saadh
- Faculty of Pharmacy, Middle East University, Amman 11831, Jordan; Applied Science Research Center. Applied Science Private University, Amman, Jordan
| | - Irodakhon Rasulova
- MD, PhD, Senior Researcher, School of Humanities, Natural & Social Sciences, New Uzbekistan University, 54 Mustaqillik Ave., Tashkent, 100007, Uzbekistan; Department of Public Health, Samarkand State Medical University, Amir Temur street 18, Samarkand, Uzbekistan
| | | | - Farha Farahim
- Department of Nursing, King Khalid University, Abha, Kingdom of Saudi Arabia
| | - Ioan Sârbu
- 2nd Department of Surgery-Pediatric Surgery and Orthopedics, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iași, Romania.
| | - Carmen Iulia Ciongradi
- 2nd Department of Surgery-Pediatric Surgery and Orthopedics, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iași, Romania.
| | - Thabit Moath Omar
- Department of Medical Laboratory Technics, Al-Noor University College, Nineveh, Iraq
| | - Ahmed Alhili
- Medical Technical College, Al-Farahidi University, Iraq
| | | | - Thamer Hani
- Dentistry Department, Al-Turath University College, Baghdad, Iraq
| | - Talat Ali
- Department of Basic Medical Sciences, King Khalid University, Abha, Kingdom of Saudi Arabia
| | - Natrayan Lakshmaiya
- Department of Mechanical Engineering, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India
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3
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Qudus MS, Cui X, Tian M, Afaq U, Sajid M, Qureshi S, Liu S, Ma J, Wang G, Faraz M, Sadia H, Wu K, Zhu C. The prospective outcome of the monkeypox outbreak in 2022 and characterization of monkeypox disease immunobiology. Front Cell Infect Microbiol 2023; 13:1196699. [PMID: 37533932 PMCID: PMC10391643 DOI: 10.3389/fcimb.2023.1196699] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/21/2023] [Indexed: 08/04/2023] Open
Abstract
A new threat to global health re-emerged with monkeypox's advent in early 2022. As of November 10, 2022, nearly 80,000 confirmed cases had been reported worldwide, with most of them coming from places where the disease is not common. There were 53 fatalities, with 40 occurring in areas that had never before recorded monkeypox and the remaining 13 appearing in the regions that had previously reported the disease. Preliminary genetic data suggest that the 2022 monkeypox virus is part of the West African clade; the virus can be transmitted from person to person through direct interaction with lesions during sexual activity. It is still unknown if monkeypox can be transmitted via sexual contact or, more particularly, through infected body fluids. This most recent epidemic's reservoir host, or principal carrier, is still a mystery. Rodents found in Africa can be the possible intermediate host. Instead, the CDC has confirmed that there are currently no particular treatments for monkeypox virus infection in 2022; however, antivirals already in the market that are successful against smallpox may mitigate the spread of monkeypox. To protect against the disease, the JYNNEOS (Imvamune or Imvanex) smallpox vaccine can be given. The spread of monkeypox can be slowed through measures such as post-exposure immunization, contact tracing, and improved case diagnosis and isolation. Final Thoughts: The latest monkeypox epidemic is a new hazard during the COVID-19 epidemic. The prevailing condition of the monkeypox epidemic along with coinfection with COVID-19 could pose a serious condition for clinicians that could lead to the global epidemic community in the form of coinfection.
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Affiliation(s)
- Muhammad Suhaib Qudus
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Xianghua Cui
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Mingfu Tian
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Uzair Afaq
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Muhammad Sajid
- RNA Therapeutics Institute, Chan Medical School, University of Massachusetts Worcester, Worcester, MA, United States
| | - Sonia Qureshi
- Krembil Research Institute, University of Health Network, Toronto, ON, Canada
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Siyu Liu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - June Ma
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Guolei Wang
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Muhammad Faraz
- Department of Microbiology, Quaid-I- Azam University, Islamabad, Pakistan
| | - Haleema Sadia
- Department of Biotechnology, Baluchistan University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta, Pakistan
| | - Kailang Wu
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China
| | - Chengliang Zhu
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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Yu X, Shi H, Cheng G. Mpox Virus: Its Molecular Evolution and Potential Impact on Viral Epidemiology. Viruses 2023; 15:v15040995. [PMID: 37112975 PMCID: PMC10142743 DOI: 10.3390/v15040995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Mpox (previously known as monkeypox) is an infectious viral illness caused by the mpox virus (MPXV), an orthopoxvirus that belongs to the family Poxviridae. The symptoms of mpox in humans are similar to those of smallpox, although the mortality rate is lower. In recent years, the concern over a potential global pandemic has increased due to reports of mpox spreading across Africa and other parts of the world. Prior to this discovery, mpox was a rare zoonotic disease restricted to endemic regions of Western and Central Africa. The sudden emergence of MPXV cases in multiple regions has raised concerns about its natural evolution. This review aims to provide an overview of previously available information about MPXV, including its genome, morphology, hosts and reservoirs, and virus-host interaction and immunology, as well as to perform phylogenetic analysis on available MPXV genomes, with an emphasis on the evolution of the genome in humans as new cases emerge.
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Affiliation(s)
- Xi Yu
- Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing 100084, China
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen 518000, China
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Huicheng Shi
- Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing 100084, China
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen 518000, China
| | - Gong Cheng
- Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing 100084, China
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen 518000, China
- Institute of Pathogenic Organisms, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
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Mukherjee AG, Wanjari UR, Kannampuzha S, Das S, Murali R, Namachivayam A, Renu K, Ramanathan G, Doss C GP, Vellingiri B, Dey A, Valsala Gopalakrishnan A. The pathophysiological and immunological background of the monkeypox virus infection: An update. J Med Virol 2023; 95:e28206. [PMID: 36217803 DOI: 10.1002/jmv.28206] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/03/2022] [Accepted: 10/06/2022] [Indexed: 01/18/2023]
Abstract
In addition to the COVID-19 waves, the globe is facing global monkeypox (MPX) outbreak. MPX is an uncommon zoonotic infection characterized by symptoms similar to smallpox. It is caused by the monkeypox virus (MPXV), a double-stranded DNA virus that belongs to the genus Orthopoxvirus (OPXV). MPXV, which causes human disease, has been confined to Africa for many years, with only a few isolated cases in other areas. Outside of Africa, the continuing MPXV outbreak in multiple countries in 2022 is the greatest in recorded history. The current outbreak, with over 10 000 confirmed cases in over 50 countries between May and July 2022, demonstrates that MPXV may travel rapidly among humans and pose a danger to human health worldwide. The rapid spread of such outbreaks in recent times has elevated MPX to the status of a rising zoonotic disease with significant epidemic potential. While the MPXV is not as deadly or contagious as the variola virus that causes smallpox, it poses a threat because it could evolve into a more potent human pathogen. This review assesses the potential threat to the human population and provides a brief overview of what is currently known about this reemerging virus. By analyzing the biological effects of MPXV on human health, its shifting epidemiological footprint, and currently available therapeutic options, this review has presented the most recent insights into the biology of the virus. This study also clarifies the key potential causes that could be to blame for the present MPX outbreak and draw attention to major research questions and promising new avenues for combating the current MPX epidemic.
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Affiliation(s)
- Anirban Goutam Mukherjee
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Uddesh Ramesh Wanjari
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Sandra Kannampuzha
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Soumik Das
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Reshma Murali
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Arunraj Namachivayam
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Kaviyarasi Renu
- Department of Biochemistry, Centre of Molecular Medicine and Diagnostics (COMManD), Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India
| | - Gnanasambandan Ramanathan
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - George Priya Doss C
- Department of Integrative Biology, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Balachandar Vellingiri
- Department of Human Genetics and Molecular Biology, Human Molecular Cytogenetics and Stem Cell Laboratory, Bharathiar University, Coimbatore, Tamil Nadu, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
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Preventing Surgery-Induced NK Cell Dysfunction Using Anti-TGF-β Immunotherapeutics. Int J Mol Sci 2022; 23:ijms232314608. [PMID: 36498937 PMCID: PMC9737532 DOI: 10.3390/ijms232314608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/11/2022] [Accepted: 11/18/2022] [Indexed: 11/24/2022] Open
Abstract
Natural Killer (NK) cell cytotoxicity and interferon-gamma (IFNγ) production are profoundly suppressed postoperatively. This dysfunction is associated with increased morbidity and cancer recurrence. NK activity depends on the integration of activating and inhibitory signals, which may be modulated by transforming growth factor-beta (TGF-β). We hypothesized that impaired postoperative NK cell IFNγ production is due to altered signaling pathways caused by postoperative TGF-β. NK cell receptor expression, downstream phosphorylated targets, and IFNγ production were assessed using peripheral blood mononuclear cells (PBMCs) from patients undergoing cancer surgery. Healthy NK cells were incubated in the presence of healthy/baseline/postoperative day (POD) 1 plasma and in the presence/absence of a TGF-β-blocking monoclonal antibody (mAb) or the small molecule inhibitor (smi) SB525334. Single-cell RNA sequencing (scRNA-seq) was performed on PBMCs from six patients with colorectal cancer having surgery at baseline/on POD1. Intracellular IFNγ, activating receptors (CD132, CD212, NKG2D, DNAM-1), and downstream target (STAT5, STAT4, p38 MAPK, S6) phosphorylation were significantly reduced on POD1. Furthermore, this dysfunction was phenocopied in healthy NK cells through incubation with rTGF-β1 or POD1 plasma and was prevented by the addition of anti-TGF-β immunotherapeutics (anti-TGF-β mAb or TGF-βR smi). Targeted gene analysis revealed significant decreases in S6 and FKBP12, an increase in Shp-2, and a reduction in NK metabolism-associated transcripts on POD1. pSmad2/3 was increased and pS6 was reduced in response to rTGF-β1 on POD1, changes that were prevented by anti-TGF-β immunotherapeutics. Together, these results suggest that both canonical and mTOR pathways downstream of TGF-β mediate phenotypic changes that result in postoperative NK cell dysfunction.
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Lum FM, Torres-Ruesta A, Tay MZ, Lin RTP, Lye DC, Rénia L, Ng LFP. Monkeypox: disease epidemiology, host immunity and clinical interventions. Nat Rev Immunol 2022; 22:597-613. [PMID: 36064780 PMCID: PMC9443635 DOI: 10.1038/s41577-022-00775-4] [Citation(s) in RCA: 184] [Impact Index Per Article: 92.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/09/2022] [Indexed: 12/11/2022]
Abstract
Monkeypox virus (MPXV), which causes disease in humans, has for many years been restricted to the African continent, with only a handful of sporadic cases in other parts of the world. However, unprecedented outbreaks of monkeypox in non-endemic regions have recently taken the world by surprise. In less than 4 months, the number of detected MPXV infections has soared to more than 48,000 cases, recording a total of 13 deaths. In this Review, we discuss the clinical, epidemiological and immunological features of MPXV infections. We also highlight important research questions and new opportunities to tackle the ongoing monkeypox outbreak. In this Review, Ng and colleagues examine the clinical, epidemiological and immunological aspects of monkeypox virus (MPXV) infections, with a focus on mechanisms of host immunity to MPXV. The authors also consider the unique epidemiological and pathological characteristics of the current non-endemic outbreak of the virus and discuss vaccines, therapeutics and outstanding research questions.
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Affiliation(s)
- Fok-Moon Lum
- A*STAR Infectious Diseases Labs, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Anthony Torres-Ruesta
- A*STAR Infectious Diseases Labs, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Matthew Z Tay
- A*STAR Infectious Diseases Labs, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Raymond T P Lin
- National Public Health Laboratory, Singapore, Singapore.,National Centre for Infectious Diseases, Singapore, Singapore.,Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - David C Lye
- National Centre for Infectious Diseases, Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.,Tan Tock Seng Hospital, Singapore, Singapore.,Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Laurent Rénia
- A*STAR Infectious Diseases Labs, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Lisa F P Ng
- A*STAR Infectious Diseases Labs, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore. .,National Institute of Health Research, Health Protection Research Unit in Emerging and Zoonotic Infections, University of Liverpool, Liverpool, UK. .,Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK.
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Doostkam A, Malekmakan L, Hosseinpour A, Janfeshan S, Roozbeh J, Masjedi F. Sialic acid: an attractive biomarker with promising biomedical applications. ASIAN BIOMED 2022; 16:153-167. [PMID: 37551166 PMCID: PMC10321195 DOI: 10.2478/abm-2022-0020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This broad, narrative review highlights the roles of sialic acids as acidic sugars found on cellular membranes. The role of sialic acids in cellular communication and development has been well established. Recently, attention has turned to the fundamental role of sialic acids in many diseases, including viral infections, cardiovascular diseases, neurological disorders, diabetic nephropathy, and malignancies. Sialic acid may be a target for developing new drugs to treat various cancers and inflammatory processes. We recommend the routine measurement of serum sialic acid as a sensitive inflammatory marker in various diseases.
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Affiliation(s)
- Aida Doostkam
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz7193635899, Iran
| | - Leila Malekmakan
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz7193635899, Iran
| | - Alireza Hosseinpour
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz7134853185, Iran
| | - Sahar Janfeshan
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz7193635899, Iran
| | - Jamshid Roozbeh
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz7193635899, Iran
| | - Fatemeh Masjedi
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz7193635899, Iran
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Ahmad R, Haque M. Surviving the Storm: Cytokine Biosignature in SARS-CoV-2 Severity Prediction. Vaccines (Basel) 2022; 10:vaccines10040614. [PMID: 35455363 PMCID: PMC9026643 DOI: 10.3390/vaccines10040614] [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: 03/10/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary The world has been stricken mentally, physically, and economically by the COVID-19 virus. However, while SARS-CoV-2 viral infection results in mild flu-like symptoms in most patients, a number of those infected develop severe illness. These patients require hospitalization and intensive care. The severe disease can spiral downwards with eventual severe damage to the lungs and failure of multiple organs, leading to the individual’s demise. It is necessary to identify those who are developing a severe form of illness to provide early management. Therefore, it is crucial to learn about the mechanisms and chemical mediators that lead to critical conditions in SARS-CoV-2 infection. This paper reviews studies regarding the individual chemical mediators, pathways, and means that contribute to worsening health conditions in SARS-CoV-2 infection. Abstract A significant part of the world population has been affected by the devastating SARS-CoV-2 infection. It has deleterious effects on mental and physical health and global economic conditions. Evidence suggests that the pathogenesis of SARS-CoV-2 infection may result in immunopathology such as neutrophilia, lymphopenia, decreased response of type I interferon, monocyte, and macrophage dysregulation. Even though most individuals infected with the SARS-CoV-2 virus suffer mild symptoms similar to flu, severe illness develops in some cases, including dysfunction of multiple organs. Excessive production of different inflammatory cytokines leads to a cytokine storm in COVID-19 infection. The large quantities of inflammatory cytokines trigger several inflammation pathways through tissue cell and immune cell receptors. Such mechanisms eventually lead to complications such as acute respiratory distress syndrome, intravascular coagulation, capillary leak syndrome, failure of multiple organs, and, in severe cases, death. Thus, to devise an effective management plan for SARS-CoV-2 infection, it is necessary to comprehend the start and pathways of signaling for the SARS-CoV-2 infection-induced cytokine storm. This article discusses the current findings of SARS-CoV-2 related to immunopathology, the different paths of signaling and other cytokines that result in a cytokine storm, and biomarkers that can act as early signs of warning for severe illness. A detailed understanding of the cytokine storm may aid in the development of effective means for controlling the disease’s immunopathology. In addition, noting the biomarkers and pathophysiology of severe SARS-CoV-2 infection as early warning signs can help prevent severe complications.
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Affiliation(s)
- Rahnuma Ahmad
- Department of Physiology, Medical College for Women and Hospital, Plot No 4 Road 8/9, Sector-1, Dhaka 1230, Bangladesh;
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defence Health, Universiti Pertahanan Nasional Malaysia (National Defence University of Malaysia), Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
- Correspondence: or
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10
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Kim YJ, Yeon Y, Lee WJ, Shin YU, Cho H, Lim HW, Kang MH. Analysis of MicroRNA Expression in Tears of Patients with Herpes Epithelial Keratitis: A Preliminary Study. Invest Ophthalmol Vis Sci 2022; 63:21. [PMID: 35475887 PMCID: PMC9055549 DOI: 10.1167/iovs.63.4.21] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Purpose Herpes epithelial keratitis (HEK) is the most common form of herpes simplex virus (HSV) eye involvement, and understanding the molecular mechanisms underlying HEK is important. We investigated the expression of microRNAs (miRNAs) in the tears of patients with HEK. Methods Tear samples from eight patients with HEK and seven age-matched controls were evaluated. Clinical ophthalmologic evaluation was performed, and an anterior segment photograph was obtained after fluorescence staining. Dendritic or geographic ulcer areas were measured using ImageJ software. The expression of 43 different miRNAs in tears was measured using real-time polymerase chain reaction and compared between patients with HEK and controls. Differences in miRNA expression between the dendritic and geographic ulcer groups and correlations involving miRNA expression and ulcer area were evaluated. Results Of the 43 miRNAs, 23 were upregulated in patients with HEK compared to normal controls. MiR-15b-5p, miR-16-5p, miR-20b-5p, miR-21-5p, miR-23b-3p, miR-25-3p, miR-29a-3p, miR-30a-3p, miR-30d-5p, miR-92a-3p, miR-124-3p, miR-127-3p, miR-132-3p, miR-142-3p, miR-145-5p, miR-146a-5p, miR-146b-5p, miR-155-5p, miR-182-5p, miR-183-5p, miR-221-3p, miR-223-3p, and miR-338-5p were significantly upregulated in patients with HEK. MiR-29a-3p exhibited significant differences between the dendritic and geographic ulcer groups. All 23 miRNAs with significant differences between patients with HEK and the control group were not significantly correlated with ulcer area. Conclusions Twenty-three miRNAs were significantly upregulated in the tears of patients with HEK, and the expression of miRNAs may play important roles in herpes infection in relation to host immunity.
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Affiliation(s)
- Yu Jeong Kim
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Yeji Yeon
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Won June Lee
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Yong Un Shin
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Heeyoon Cho
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Han Woong Lim
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
| | - Min Ho Kang
- Department of Ophthalmology, Hanyang University Hospital, Hanyang University College of Medicine, Seoul, Republic of Korea
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11
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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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12
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Abbasi B, Shamsasenjan K, Ahmadi M, Beheshti SA, Saleh M. Mesenchymal stem cells and natural killer cells interaction mechanisms and potential clinical applications. Stem Cell Res Ther 2022; 13:97. [PMID: 35255980 PMCID: PMC8900412 DOI: 10.1186/s13287-022-02777-4] [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: 08/12/2021] [Accepted: 10/09/2021] [Indexed: 12/29/2022] Open
Abstract
Natural killer cells (NK cells) are innate immune cells that are activated to fight tumor cells and virus-infected cells. NK cells also play an important role in the graft versus leukemia response. However, they can over-develop inflammatory reactions by secreting inflammatory cytokines and increasing Th1 differentiation, eventually leading to tissue damage. Today, researchers have attributed some autoimmune diseases and GVHD to NK cells. On the other hand, it has been shown that mesenchymal stem cells (MSCs) can modulate the activity of NK cells, while some researchers have shown that NK cells can cause MSCs to lysis. Therefore, we considered it is necessary to investigate the effect of these two cells and their signaling pathway in contact with each other, also their clinical applications.
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Affiliation(s)
- Batol Abbasi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Karim Shamsasenjan
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Stem Cell and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyedeh Ameneh Beheshti
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahshid Saleh
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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13
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Khalil M, Mei A, Hashemi E, Wang D, Schumacher M, Terhune S, Malarkannan S. Method to Study Adaptive NK Cells Following MCMV Infections. Methods Mol Biol 2022; 2463:195-204. [PMID: 35344176 DOI: 10.1007/978-1-0716-2160-8_14] [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] [Indexed: 06/14/2023]
Abstract
Immunological memory is a fundamental feature of the adaptive immune system that protects the host from recurrent infections from pathogens. Natural killer (NK) cells are a predominant member of the innate immune system that lack clonotypic receptors, which are essential for memory formation. However, evidence demonstrates that a unique subpopulation of NK cells develops adaptive-like features using germline-encoded receptors. Recent studies have shown that infection of cytomegalovirus (CMV) leads to clonal expansion of NKG2C+ and Ly49H+ NK cells, in humans and mouse, respectively. These activation receptors have the capability to recognize CMV-encoded proteins and facilitate a recall response upon reinfection. Although NK cells do not rearrange genes encoding their activating receptors as seen in B and T cells, they possess a selective process to generate memory features and a long-lived progeny. Here, we describe an established in vivo protocol for infecting mice with mouse cytomegalovirus (MCMV) to study an adaptive NK cell response.
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Affiliation(s)
- Mohamed Khalil
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Versiti, Milwaukee, WI, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Ao Mei
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Versiti, Milwaukee, WI, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Elaheh Hashemi
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Versiti, Milwaukee, WI, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Dandan Wang
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Versiti, Milwaukee, WI, USA
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Megan Schumacher
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Scott Terhune
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Subramaniam Malarkannan
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Versiti, Milwaukee, WI, USA.
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.
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14
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Market M, Tennakoon G, Auer RC. Postoperative Natural Killer Cell Dysfunction: The Prime Suspect in the Case of Metastasis Following Curative Cancer Surgery. Int J Mol Sci 2021; 22:ijms222111378. [PMID: 34768810 PMCID: PMC8583911 DOI: 10.3390/ijms222111378] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/02/2021] [Accepted: 10/06/2021] [Indexed: 12/12/2022] Open
Abstract
Surgical resection is the foundation for the curative treatment of solid tumors. However, metastatic recurrence due to the difficulty in eradicating micrometastases remain a feared outcome. Paradoxically, despite the beneficial effects of surgical removal of the primary tumor, the physiological stress resulting from surgical trauma serves to promote cancer recurrence and metastasis. The postoperative environment suppresses critical anti-tumor immune effector cells, including Natural Killer (NK) cells. The literature suggests that NK cells are critical mediators in the formation of metastases immediately following surgery. The following review will highlight the mechanisms that promote the formation of micrometastases by directly or indirectly inducing NK cell suppression following surgery. These include tissue hypoxia, neuroendocrine activation, hypercoagulation, the pro-inflammatory phase, and the anti-inflammatory phase. Perioperative therapeutic strategies designed to prevent or reverse NK cell dysfunction will also be examined for their potential to improve cancer outcomes by preventing surgery-induced metastases.
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Affiliation(s)
- Marisa Market
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1G 8M5, Canada; (M.M.); (G.T.)
- The Ottawa Hospital Research Institute, Ottawa, ON K1G 4E3, Canada
| | - Gayashan Tennakoon
- Faculty of Medicine, University of Ottawa, Ottawa, ON K1G 8M5, Canada; (M.M.); (G.T.)
| | - Rebecca C. Auer
- The Ottawa Hospital Research Institute, Ottawa, ON K1G 4E3, Canada
- Department of General Surgery, The Ottawa Hospital, Ottawa, ON K1Y 4E9, Canada
- Correspondence: ; Tel.: +1-613-722-7000
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15
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Kareva I, Luddy KA, O’Farrelly C, Gatenby RA, Brown JS. Predator-Prey in Tumor-Immune Interactions: A Wrong Model or Just an Incomplete One? Front Immunol 2021; 12:668221. [PMID: 34531851 PMCID: PMC8438324 DOI: 10.3389/fimmu.2021.668221] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 08/05/2021] [Indexed: 01/05/2023] Open
Abstract
Tumor-immune interactions are often framed as predator-prey. This imperfect analogy describes how immune cells (the predators) hunt and kill immunogenic tumor cells (the prey). It allows for evaluation of tumor cell populations that change over time during immunoediting and it also considers how the immune system changes in response to these alterations. However, two aspects of predator-prey type models are not typically observed in immuno-oncology. The first concerns the conversion of prey killed into predator biomass. In standard predator-prey models, the predator relies on the prey for nutrients, while in the tumor microenvironment the predator and prey compete for resources (e.g. glucose). The second concerns oscillatory dynamics. Standard predator-prey models can show a perpetual cycling in both prey and predator population sizes, while in oncology we see increases in tumor volume and decreases in infiltrating immune cell populations. Here we discuss the applicability of predator-prey models in the context of cancer immunology and evaluate possible causes for discrepancies. Key processes include "safety in numbers", resource availability, time delays, interference competition, and immunoediting. Finally, we propose a way forward to reconcile differences between model predictions and empirical observations. The immune system is not just predator-prey. Like natural food webs, the immune-tumor community of cell types forms an immune-web of different and identifiable interactions.
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Affiliation(s)
- Irina Kareva
- EMD Serono, Merck KGaA, Billerica, MA, United States
| | - Kimberly A. Luddy
- Department of Cancer Physiology, H. Lee Moffitt Cancer Center, Tampa, FL, United States
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Cliona O’Farrelly
- School of Biochemistry and Immunology, Trinity College Dublin, Dublin, Ireland
| | - Robert A. Gatenby
- Department of Integrated Mathematical Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Joel S. Brown
- Department of Integrated Mathematical Oncology, Moffitt Cancer Center, Tampa, FL, United States
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16
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Janssen MJM, Bruns AHW, Verduyn Lunel FM, Raijmakers RAP, de Weijer RJ, Nanlohy NM, Smits GP, van Baarle D, Kuball J. Predictive factors for vaccine failure to guide vaccination in allogeneic hematopoietic stem cell transplant recipients. Bone Marrow Transplant 2021; 56:2922-2928. [PMID: 34417568 DOI: 10.1038/s41409-021-01437-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 07/22/2021] [Accepted: 08/11/2021] [Indexed: 01/17/2023]
Abstract
Vaccination after hematopoietic stem cell transplantation (HSCT) is essential to protect high-risk patients against potentially lethal infections. Though multiple studies have evaluated vaccine specific responses, no comprehensive analysis of a complete vaccination schedule post-HSCT has been performed and little is known about predictors for vaccine failure. In this context, allogeneic HSCT (alloHSCT) patients were included and vaccinated starting one year post-transplantation. Antibody responses were measured by Multiplex Immuno Assay for pneumococcal (PCV13), meningococcal C, diphtheria, pertussis, tetanus and Haemophilus influenza type b one month after the last vaccination and correlated to clinical and immunological parameters. Vaccine failure was defined as antibody response above vaccine-specific cut-off values for less than four out of six vaccines. Ninety-six patients were included of which 27.1% was found to have vaccine failure. Only 40.6% of all patients responded adequately to all six vaccines. In multivariate analysis, viral reactivation post-HSCT (OR 6.53; P = 0.03), B-cells <135 per mm3 (OR 7.24; P = 0.00) and NK-cells <170 per mm3 (OR 11.06; P = 0.00) were identified as predictors for vaccine failure for vaccination at one year post-alloHSCT. Measurement of antibody responses and an individualized approach for revaccination guided by clinical status and immune reconstitution of B-cells and NK-cells may improve vaccine responses.
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Affiliation(s)
| | - Anke H W Bruns
- Department of Infectious Diseases, UMC Utrecht, Utrecht, the Netherlands
| | | | | | | | - Nening M Nanlohy
- Center for Infectious Disease Control, RIVM, Bilthoven, the Netherlands
| | - Gaby P Smits
- Center for Infectious Disease Control, RIVM, Bilthoven, the Netherlands
| | - Debbie van Baarle
- Center for Infectious Disease Control, RIVM, Bilthoven, the Netherlands.,Center for Translational Immunology, UMC Utrecht, Utrecht, the Netherlands
| | - Jürgen Kuball
- Department of Hematology, UMC Utrecht, Utrecht, the Netherlands
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17
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An NK cell line (NK92-41BB) expressing high levels of granzyme is engineered to express the high affinity chimeric genes CD16/CAR. Cytotechnology 2021; 73:539-553. [PMID: 34349345 DOI: 10.1007/s10616-021-00476-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 05/11/2021] [Indexed: 10/20/2022] Open
Abstract
Natural killer (NK) cells are known to play a role in mediating innate immunity and have been implicated in mediating anti-tumor responses via antibody-dependent cell-mediated cytotoxicity (ADCC) based on the reactivity of CD16 with the Fc region of human IgG1 antibodies. The NK-92 cell line, devoid of CD16 and derived from a lymphoma patient, has been well characterized. The adoptive transfer of irradiated NK-92 cells demonstrated safety and showed preliminary evidence of clinical benefit for cancer patients. The molecules 41BB and CD3 are commonly used as stimulators in the CAR structure, and their expression in NK cells can promote the activation of NK cells, leading to the enhanced perforin- and granzyme-mediated lysis of tumor cells. This study showed that genetically modified NK-92 cells combined with antibody-mediated ADCC using rituximab and trastuzumab monoclonal antibodies lysed tumor cells more efficient than the NK-92 cell lines. It also showed that the anti-tumor activity of chimeric stimulator molecules of the CAR-modified CD16 receptor was stronger than that of CD16 (allotype V158). These studies provide a rationale for the use of genetically modified NK-92 cells in combination with IgG1 anti-tumor monoclonal antibodies. We also provide a rationale for the chimeric modified CD16 receptor that can improve the anti-tumor effect of NK92 cells via ADCC. Supplementary Information The online version of this article (10.1007/s10616-021-00476-1) contains supplementary material, which is available to authorized users.
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18
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Zalfa C, Paust S. Natural Killer Cell Interactions With Myeloid Derived Suppressor Cells in the Tumor Microenvironment and Implications for Cancer Immunotherapy. Front Immunol 2021; 12:633205. [PMID: 34025641 PMCID: PMC8133367 DOI: 10.3389/fimmu.2021.633205] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/12/2021] [Indexed: 12/17/2022] Open
Abstract
The tumor microenvironment (TME) is a complex and heterogeneous environment composed of cancer cells, tumor stroma, a mixture of tissue-resident and infiltrating immune cells, secreted factors, and extracellular matrix proteins. Natural killer (NK) cells play a vital role in fighting tumors, but chronic stimulation and immunosuppression in the TME lead to NK cell exhaustion and limited antitumor functions. Myeloid-derived suppressor cells (MDSCs) are a heterogeneous group of myeloid cells with potent immunosuppressive activity that gradually accumulate in tumor tissues. MDSCs interact with innate and adaptive immune cells and play a crucial role in negatively regulating the immune response to tumors. This review discusses MDSC-mediated NK cell regulation within the TME, focusing on critical cellular and molecular interactions. We review current strategies that target MDSC-mediated immunosuppression to enhance NK cell cytotoxic antitumor activity. We also speculate on how NK cell-based antitumor immunotherapy could be improved.
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Affiliation(s)
| | - Silke Paust
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, United States
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19
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Recent Advances to Augment NK Cell Cancer Immunotherapy Using Nanoparticles. Pharmaceutics 2021; 13:pharmaceutics13040525. [PMID: 33918941 PMCID: PMC8069998 DOI: 10.3390/pharmaceutics13040525] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 12/19/2022] Open
Abstract
Among various immunotherapies, natural killer (NK) cell cancer immunotherapy using adoptive transfer of NK cells takes a unique position by targeting tumor cells that evade the host immune surveillance. As the first-line innate effector cell, it has been revealed that NK cells have distinct mechanisms to both eliminate cancer cells directly and amplify the anticancer immune system. Over the last 40 years, NK cell cancer immunotherapy has shown encouraging reports in pre-clinic and clinic settings. In total, 288 clinical trials are investigating various NK cell immunotherapies to treat hematologic and solid malignancies in 2021. However, the clinical outcomes are unsatisfying, with remained challenges. The major limitation is attributed to the immune-suppressive tumor microenvironment (TME), low activity of NK cells, inadequate homing of NK cells, and limited contact frequency of NK cells with tumor cells. Innovative strategies to promote the cytolytic activity, durable persistence, activation, and tumor-infiltration of NK cells are required to advance NK cell cancer immunotherapy. As maturing nanotechnology and nanomedicine for clinical applications, there is a greater opportunity to augment NK cell therapeutic efficacy for the treatment of cancers. Active molecules/cytokine delivery, imaging, and physicochemical properties of nanoparticles are well equipped to overcome the challenges of NK cell cancer immunotherapy. Here, we discuss recent clinical trials of NK cell cancer immunotherapy, NK cell cancer immunotherapy challenges, and advances of nanoparticle-mediated NK cell therapeutic efficacy augmentation.
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20
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Abstract
Immune response is a highly coordinated cascade involving all the subsets of peripheral blood mononuclear cells (PBMCs). In this study, RNA sequencing (RNA-Seq) analysis of PBMC subsets was done to delineate the systems biology behind immune protection of the vaccine in sheep and goats. The PBMC subsets studied were CD4+, CD8+, CD14+, CD21+, and CD335+ cells from day 0 and day 5 of sheep and goats vaccinated with Sungri/96 peste des petits ruminants virus. Assessment of the immune response processes enriched by the differentially expressed genes (DEGs) in all the subsets suggested a strong dysregulation toward the development of early inflammatory microenvironment, which is very much required for differentiation of monocytes to macrophages, and activation as well as the migration of dendritic cells into the draining lymph nodes. The protein-protein interaction networks among the antiviral molecules (IFIT3, ISG15, MX1, MX2, RSAD2, ISG20, IFIT5, and IFIT1) and common DEGs across PBMC subsets in both species identified ISG15 to be a ubiquitous hub that helps in orchestrating antiviral host response against peste des petits ruminants virus (PPRV). IRF7 was found to be the key master regulator activated in most of the subsets in sheep and goats. Most of the pathways were found to be inactivated in B lymphocytes of both the species, indicating that 5 days postvaccination (dpv) is too early a time point for the B lymphocytes to react. The cell-mediated immune response and humoral immune response pathways were found more enriched in goats than in sheep. Although animals from both species survived the challenge, a contrast in pathway activation was observed in CD335+ cells. IMPORTANCE Peste des petits ruminants (PPR) by PPR virus (PPRV) is an World Organisation for Animal Health (OIE)-listed acute, contagious transboundary viral disease of small ruminants. The attenuated Sungri/96 PPRV vaccine used all over India against this PPR provides long-lasting robust innate and adaptive immune response. The early antiviral response was found mediated through type I interferon-independent interferon-stimulated gene (ISG) expression. However, systems biology behind this immune response is unknown. In this study, in vivo transcriptome profiling of PBMC subsets (CD4+, CD8+, CD14+, CD21+, and CD335+) in vaccinated goats and sheep (at 5 days postvaccination) was done to understand this systems biology. Though there are a few differences in the systems biology across cells (specially the NK cells) between sheep and goats, the coordinated response that is inclusive of all the cell subsets was found to be toward the induction of a strong innate immune response, which is needed for an appropriate adaptive immune response.
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21
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Huot N, Rascle P, Petitdemange C, Contreras V, Stürzel CM, Baquero E, Harper JL, Passaes C, Legendre R, Varet H, Madec Y, Sauermann U, Stahl-Hennig C, Nattermann J, Saez-Cirion A, Le Grand R, Keith Reeves R, Paiardini M, Kirchhoff F, Jacquelin B, Müller-Trutwin M. SIV-induced terminally differentiated adaptive NK cells in lymph nodes associated with enhanced MHC-E restricted activity. Nat Commun 2021; 12:1282. [PMID: 33627642 PMCID: PMC7904927 DOI: 10.1038/s41467-021-21402-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 01/27/2021] [Indexed: 02/06/2023] Open
Abstract
Natural killer (NK) cells play a critical understudied role during HIV infection in tissues. In a natural host of SIV, the African green monkey (AGM), NK cells mediate a strong control of SIVagm infection in secondary lymphoid tissues. We demonstrate that SIVagm infection induces the expansion of terminally differentiated NKG2alow NK cells in secondary lymphoid organs displaying an adaptive transcriptional profile and increased MHC-E-restricted cytotoxicity in response to SIV Env peptides while expressing little IFN-γ. Such NK cell differentiation was lacking in SIVmac-infected macaques. Adaptive NK cells displayed no increased NKG2C expression. This study reveals a previously unknown profile of NK cell adaptation to a viral infection, thus accelerating strategies toward NK-cell directed therapies and viral control in tissues.
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Affiliation(s)
- Nicolas Huot
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
| | - Philippe Rascle
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France ,grid.508487.60000 0004 7885 7602Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Caroline Petitdemange
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
| | - Vanessa Contreras
- CEA-Université Paris Sud-Inserm, U1184, IDMIT Department, IBFJ, Fontenay-aux-Roses, France
| | | | - Eduard Baquero
- grid.462718.eInstitut Pasteur, Unité de Virologie Structurale, Paris, France
| | - Justin L. Harper
- grid.189967.80000 0001 0941 6502Division of Microbiology and Immunology, Yerkes National Primate Research Center, Emory University, Atlanta, GA USA
| | - Caroline Passaes
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
| | - Rachel Legendre
- grid.428999.70000 0001 2353 6535Bioinformatics and Biostatistics Hub, Department of Computational Biology, Institut Pasteur, Paris, France
| | - Hugo Varet
- grid.428999.70000 0001 2353 6535Biomics Platform, Center for Technological Resources and Research (C2RT), Institut Pasteur, Paris, France
| | - Yoann Madec
- grid.428999.70000 0001 2353 6535 Institut Pasteur; Epidemiology of Emerging Diseases Unit, Paris, France
| | - Ulrike Sauermann
- grid.418215.b0000 0000 8502 7018Deutsches Primatenzentrum - Leibniz Institut für Primatenforschung, Göttingen, Germany
| | - Christiane Stahl-Hennig
- grid.418215.b0000 0000 8502 7018Deutsches Primatenzentrum - Leibniz Institut für Primatenforschung, Göttingen, Germany
| | - Jacob Nattermann
- grid.452463.2Medizinische Klinik und Poliklinik I, Universitätsklinikum Bonn, Germany; German Center for Infection Research (DZIF), Bonn, Germany
| | - Asier Saez-Cirion
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
| | - Roger Le Grand
- CEA-Université Paris Sud-Inserm, U1184, IDMIT Department, IBFJ, Fontenay-aux-Roses, France
| | - R. Keith Reeves
- grid.38142.3c000000041936754XCenter for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA USA
| | - Mirko Paiardini
- grid.189967.80000 0001 0941 6502Division of Microbiology and Immunology, Yerkes National Primate Research Center, Emory University, Atlanta, GA USA ,grid.189967.80000 0001 0941 6502Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA USA
| | | | - Beatrice Jacquelin
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
| | - Michaela Müller-Trutwin
- grid.428999.70000 0001 2353 6535Institut Pasteur, Unité HIV, Inflammation et Persistance, Paris, France
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22
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Lee HJ, Cho HE, Park HJ. Germinated black soybean fermented with Lactobacillus pentosus SC65 alleviates DNFB-induced delayed-type hypersensitivity in C57BL/6N mice. JOURNAL OF ETHNOPHARMACOLOGY 2021; 265:113236. [PMID: 32750462 DOI: 10.1016/j.jep.2020.113236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/23/2020] [Accepted: 07/31/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rhynchosia nulubilis (black soybean) has many applications in oriental medicine. It is traditionally used to treat disease related with high blood pressure, diabetes, inflammation, and osteoporosis. Furthermore, fermented soybean foods have traditionally been used for immunity enhancement in East Asia. However, the anti-inflammatory effects of germinated R. nulubilis (GR) against delayed-type hypersensitivity (DTH) are not fully understood. AIM OF STUDY This study aimed to investigate the anti-inflammatory effects of germinated Rhynchosia nulubilis (GR) fermented with the lactic acid bacterium Lactobacillus pentosus SC65 (GR-SC65) isolated from pickled burdock. MATERIALS AND METHODS We investigated the effects of GR-SC65 (300 mg/kg/day) on ear thickness and immune cell infiltration in DNFB-induced DTH in mice. We used dexamethasone (3 mg/kg) as a reference drug. Changes in infiltration of CD4+ and CD8+ T cells and NK cells were examined by immunohistochemistry. In addition, we investigated cytokine and chemokine production related to DTH using reverse transcription-polymerase chain reaction. We also investigated DTH-related cytokine production using lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophage cells. RESULTS Two lactic acid bacterial strains (Lactobacillus pentosus SC65 and Pediococcus pentosaceus ON81A) were selected for fermenting GR due to their high 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging activity. The total polyphenol contents (TPCs) in GR-SC65 and GR-ON81A were higher than that in unfermented GR (∗∗∗P < 0.001 vs. GR). Content of daidzein, glycitein, and genistein, the deglycosylated form of isoflavonoids, was higher in GR-SC65 than in unfermented GR. The ethanol extracts of GR-SC65 exerted a stronger anti-inflammatory activity than GR by inhibiting pro-inflammatory cytokines, such as tumor necrosis factor (TNF), interleukin-6 (IL-6), and interleukin-1β (IL-1β) in LPS-induced RAW264.7 macrophages. GR-SC65 reduced 1-fluoro-2,4-dinitrofluorobenzene (DNFB)-induced ear swelling and hyperplasia as well as vascular permeability. Fewer infiltrated CD4+ and CD8+ T cells were observed in the ear tissue of the GR-SC65-treated mice than those of the unfermented GR-treated mice. Furthermore, fewer infiltrated NK cells were observed in the GR-SC65 treated mice, than in the GR-treated mice. GR-SC65 significantly diminished the levels of CCL5 and COX-2 mRNAs and increased the level of IL-10 mRNA. CONCLUSIONS These data suggest that GR-SC65 can be used as a health supplement or a prophylactic against delayed-type hypersensitive inflammatory disease.
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Affiliation(s)
- Hye-Ji Lee
- Department of Food Science and Biotechnology, College of BioNano, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 461-701, Republic of Korea
| | - Ha-Eun Cho
- Department of Food Science and Biotechnology, College of BioNano, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 461-701, Republic of Korea
| | - Hye-Jin Park
- Department of Food Science and Biotechnology, College of BioNano, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 461-701, Republic of Korea.
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23
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Essadssi S, Benhsaien I, Bakhchane A, Charoute H, Abdelghaffar H, Bousfiha AA, Barakat A. A Homozygous RAG1 Gene Mutation in a Case of Combined Immunodeficiency: Clinical, Molecular, and Computational Analysis. Hum Hered 2020; 84:272-278. [PMID: 33075768 DOI: 10.1159/000510062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 07/09/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The recombination-activating gene 1 and 2 (RAG1/RAG2) proteins are essential to initiate the V(D)J recombination process, the result is a diverse repertoire of antigen receptor genes and the establishment of the adaptive immunity. RAG1 mutations can lead to multiple forms of combined immunodeficiency. METHODS In this report, whole exome sequencing was performed in a Moroccan child suffering from combined immunodeficiency, with T and B lymphopenia, autoimmune hemolytic anemia, and cytomegalovirus (CMV) infection. RESULTS After filtering data and Sanger sequencing validation, one homozygous mutation c.2446G>A (p.Gly816Arg) was identified in the RAG1 gene. CONCLUSION This finding expands the spectrum of immunological and genetic profiles linked to RAG1 mutation, it also illustrates the necessity to consider RAG1 immunodeficiency in the presence of autoimmune hemolytic anemia and CMV infection, even assuming the immunological phenotype appears more or less normal.
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Affiliation(s)
- Soukaina Essadssi
- Laboratory of Genomics and Human Genetics, Institut Pasteur du Maroc, Casablanca, Morocco.,Laboratory of Biosciences, Integrated and Molecular Functional Exploration (LBEFIM), Faculty of Science and Technology of Mohammedia, Hassan II University of Casablanca, Casablanca, Morocco
| | - Ibtihal Benhsaien
- Clinical Immunology Unit, Ibn Rochd Hospital, King Hassan II University-AinChok, Casablanca, Morocco
| | - Amina Bakhchane
- Laboratory of Genomics and Human Genetics, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hicham Charoute
- Laboratory of Genomics and Human Genetics, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Houria Abdelghaffar
- Laboratory of Biosciences, Integrated and Molecular Functional Exploration (LBEFIM), Faculty of Science and Technology of Mohammedia, Hassan II University of Casablanca, Casablanca, Morocco
| | - Ahmed Aziz Bousfiha
- Clinical Immunology Unit, Ibn Rochd Hospital, King Hassan II University-AinChok, Casablanca, Morocco
| | - Abdelhamid Barakat
- Laboratory of Genomics and Human Genetics, Institut Pasteur du Maroc, Casablanca, Morocco,
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Zhao NQ, Vendrame E, Ferreira AM, Seiler C, Ranganath T, Alary M, Labbé AC, Guédou F, Poudrier J, Holmes S, Roger M, Blish CA. Natural killer cell phenotype is altered in HIV-exposed seronegative women. PLoS One 2020; 15:e0238347. [PMID: 32870938 PMCID: PMC7462289 DOI: 10.1371/journal.pone.0238347] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 08/14/2020] [Indexed: 12/17/2022] Open
Abstract
Highly exposed seronegative (HESN) individuals present a unique setting to study mechanisms of protection against HIV acquisition. As natural killer (NK) cell activation and function have been implicated as a correlate of protection in HESN individuals, we sought to better understand the features of NK cells that may confer protection. We used mass cytometry to phenotypically profile NK cells from a cohort of Beninese sex workers and healthy controls. We found that NK cells from HESN women had increased expression of NKG2A, NKp30 and LILRB1, as well as the Fc receptor CD16, and decreased expression of DNAM-1, CD94, Siglec-7, and NKp44. Using functional assessments of NK cells from healthy donors against autologous HIV-infected CD4+ T cells, we observed that NKp30+ and Siglec-7+ cells had improved functional activity. Further, we found that NK cells from HESN women trended towards increased antibody-dependent cellular cytotoxicity (ADCC) activity; this activity correlated with increased CD16 expression. Overall, we identify features of NK cells in HESN women that may contribute to protection from HIV infection. Follow up studies with larger cohorts are warranted to confirm these findings.
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Affiliation(s)
- Nancy Q. Zhao
- Department of Medicine, Division of Infection Diseases and Geographic Medicine, Stanford University, Stanford, CA, United States of America
- Immunology Program, Stanford University, Stanford, CA, United States of America
| | - Elena Vendrame
- Department of Medicine, Division of Infection Diseases and Geographic Medicine, Stanford University, Stanford, CA, United States of America
| | - Anne-Maud Ferreira
- Department of Statistics, Stanford University, Stanford, CA, United States of America
| | - Christof Seiler
- Department of Statistics, Stanford University, Stanford, CA, United States of America
| | - Thanmayi Ranganath
- Department of Medicine, Division of Infection Diseases and Geographic Medicine, Stanford University, Stanford, CA, United States of America
| | - Michel Alary
- Centre de Recherche du CHU de Québec–Université Laval, Québec, Canada, Département de Médecine Sociale et Préventive, Université Laval, Québec, Canada, Institut National de Santé Publique du Québec, Québec, Canada
| | - Annie-Claude Labbé
- Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, Canada, Service de maladies infectieuses et microbiologie, Hôpital Maisonneuve-Rosemont, Montréal, Canada
| | | | - Johanne Poudrier
- Laboratoire d’Immunogénétique, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, Canada, Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, Canada
| | - Susan Holmes
- Department of Statistics, Stanford University, Stanford, CA, United States of America
| | - Michel Roger
- Laboratoire d’Immunogénétique, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, Canada, Département de Microbiologie, Infectiologie et Immunologie de l‘Université de Montréal, Montréal, Canada
- * E-mail: (CAB); (MR)
| | - Catherine A. Blish
- Department of Medicine, Division of Infection Diseases and Geographic Medicine, Stanford University, Stanford, CA, United States of America
- Immunology Program, Stanford University, Stanford, CA, United States of America
- Chan Zuckerberg Biohub, San Francisco, CA, United States of America
- * E-mail: (CAB); (MR)
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25
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Abdel-Latif M, Youness RA. Why natural killer cells in triple negative breast cancer? World J Clin Oncol 2020; 11:464-476. [PMID: 32821652 PMCID: PMC7407924 DOI: 10.5306/wjco.v11.i7.464] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/28/2020] [Accepted: 05/30/2020] [Indexed: 02/06/2023] Open
Abstract
The triple-negative subtype of breast cancer (TNBC) has the bleakest prognosis, owing to its lack of either hormone receptor as well as human epidermal growth factor receptor 2. Henceforth, immunotherapy has emerged as the front-runner for TNBC treatment, which avoids potentially damaging chemotherapeutics. However, despite its documented association with aggressive side effects and developed resistance, immune checkpoint blockade continues to dominate the TNBC immunotherapy scene. These immune checkpoint blockade drawbacks necessitate the exploration of other immunotherapeutic methods that would expand options for TNBC patients. One such method is the exploitation and recruitment of natural killer cells, which by harnessing the innate rather than adaptive immune system could potentially circumvent the downsides of immune checkpoint blockade. In this review, the authors will elucidate the advantageousness of natural killer cell-based immuno-oncology in TNBC as well as demonstrate the need to more extensively research such therapies in the future.
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Affiliation(s)
- Mustafa Abdel-Latif
- Biotechnology Program, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
| | - Rana Ahmed Youness
- Pharmaceutical Biology Department, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo 11835, Egypt
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26
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Cell Communication-mediated Nonself-Recognition and -Intolerance in Representative Species of the Animal Kingdom. J Mol Evol 2020; 88:482-500. [PMID: 32572694 DOI: 10.1007/s00239-020-09955-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 06/07/2020] [Indexed: 12/27/2022]
Abstract
Why has histo-incompatibility arisen in evolution and can cause self-intolerance? Compatible/incompatible reactions following natural contacts between genetically-different (allogeneic) colonies of marine organisms have inspired the conception that self-nonself discrimination has developed to reduce invasion threats by migratory foreign germ/somatic stem cells, in extreme cases resulting in conquest of the whole body by a foreign genome. Two prominent model species for allogeneic discrimination are the marine invertebrates Hydractinia (Cnidaria) and Botryllus (Ascidiacea). In Hydractinia, self-nonself recognition is based on polymorphic surface markers encoded by two genes (alr1, alr2), with self recognition enabled by homophilic binding of identical ALR molecules. Variable expression patterns of alr alleles presumably account for the first paradigm of autoaggression in an invertebrate. In Botryllus, self-nonself recognition is controlled by a single polymorphic gene locus (BHF) with hundreds of codominantly expressed alleles. Fusion occurs when both partners share at least one BHF allele while rejection develops when no allele is shared. Molecules involved in allorecognition frequently contain immunoglobulin or Ig-like motifs, case-by-case supplemented by additional molecules enabling homophilic interaction, while the mechanisms applied to destroy allogeneic grafts or neighbors include taxon-specific tools besides common facilities of natural immunity. The review encompasses comparison with allorecognition in mammals based on MHC-polymorphism in transplantation and following feto-maternal cell trafficking.
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27
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Market M, Tennakoon G, Ng J, Scaffidi M, de Souza CT, Kennedy MA, Auer RC. A Method of Assessment of Human Natural Killer Cell Phenotype and Function in Whole Blood. Front Immunol 2020; 11:963. [PMID: 32508837 PMCID: PMC7251181 DOI: 10.3389/fimmu.2020.00963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/23/2020] [Indexed: 11/13/2022] Open
Abstract
The majority of data on human Natural Killer (NK) cell phenotype and function has been generated using cryopreserved peripheral blood mononuclear cells (PBMCs). However, cryopreservation can have adverse effects on PBMCs. In contrast, investigating immune cells in whole blood can reduce the time, volume of blood required, and potential artefacts associated with manipulation of the cells. Whole blood collected from healthy donors and cancer patients was processed by three separate protocols that can be used independently or in parallel to assess extracellular receptors, intracellular signaling protein phosphorylation, and intracellular and extracellular cytokine production in human NK cells. To assess extracellular receptor expression, 200 μL of whole blood was incubated with an extracellular staining (ECS) mix and cells were subsequently fixed and RBCs lysed prior to analysis. The phosphorylation status of signaling proteins was assessed in 500 μL of whole blood following co-incubation with interleukin (IL)-2/12 and an ECS mix for 20 min prior to cell fixation, RBC lysis, and subsequent permeabilization for staining with an intracellular staining (ICS) mix. Cytokine production (IFNγ) was similarly assessed by incubating 1 mL of whole blood with PMA-ionomycin or IL-2/12 prior to incubation with ECS and subsequent ICS antibodies. In addition, plasma was collected from stimulated samples prior to ECS for quantification of secreted IFNγ by ELISA. Results were consistent, despite inherent inter-patient variability. Although we did not investigate an exhaustive list of targets, this approach enabled quantification of representative ECS surface markers including activating (NKG2D and DNAM-1) and inhibitory (NKG2A, PD-1, TIGIT, and TIM-3) receptors, cytokine receptors (CD25, CD122, CD132, and CD212) and ICS markers associated with NK cell activation following stimulation, including signaling protein phosphorylation (p-STAT4, p-STAT5, p-p38 MAPK, p-S6) and IFNγ in both healthy donors and cancer patients. In addition, we compared extracellular receptor expression using whole blood vs. cryopreserved PBMCs and observed a significant difference in the expression of almost all receptors. The methods presented permit a relatively rapid parallel assessment of immune cell receptor expression, signaling protein activity, and cytokine production in a minimal volume of whole blood from both healthy donors and cancer patients.
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Affiliation(s)
| | - Gayashan Tennakoon
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Juliana Ng
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | | | | | - Michael A Kennedy
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Rebecca C Auer
- Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.,Department of Surgery, University of Ottawa, The Ottawa Hospital, Ottawa, ON, Canada
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28
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Anderson K, Ryan N, Siddiqui A, Pero T, Volpedo G, Cooperstone JL, Oghumu S. Black Raspberries and Protocatechuic Acid Mitigate DNFB-Induced Contact Hypersensitivity by Down-Regulating Dendritic Cell Activation and Inhibiting Mediators of Effector Responses. Nutrients 2020; 12:nu12061701. [PMID: 32517233 PMCID: PMC7352349 DOI: 10.3390/nu12061701] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 06/04/2020] [Indexed: 11/16/2022] Open
Abstract
Contact hypersensitivity (CHS) is the most common occupational dermatological disease. Dendritic cells (DCs) mediate the sensitization stage of CHS, while T-cells facilitate the effector mechanisms that drive CHS. Black raspberry (Rubus occidentalis, BRB) and BRB phytochemicals possess immunomodulatory properties, but their dietary effects on CHS are unknown. We examined the effects of diets containing BRB and protocatechuic acid (PCA, a constituent of BRB and an anthocyanin metabolite produced largely by gut microbes), on CHS, using a model induced by 2,4-dinitrofluorobenze (DNFB). Mice were fed control diet or diets supplemented with BRB or PCA. In vitro bone-marrow derived DCs and RAW264.7 macrophages were treated with BRB extract and PCA. Mice fed BRB or PCA supplemented diets displayed decreased DNFB-induced ear swelling, marked by decreased splenic DC accumulation. BRB extract diminished DC maturation associated with reduced Cd80 expression and Interleukin (IL)-12 secretion, and PCA reduced IL-12. Dietary supplementation with BRB and PCA induced differential decreases in IL-12-driven CHS mediators, including Interferon (IFN)-γ and IL-17 production by T-cells. BRB extracts and PCA directly attenuated CHS-promoting macrophage activity mediated by nitric oxide and IL-12. Our results demonstrate that BRB and PCA mitigate CHS pathology, providing a rationale for CHS alleviation via dietary supplementation with BRB or BRB derived anthocyanins.
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Affiliation(s)
- Kelvin Anderson
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
| | - Nathan Ryan
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
- Division of Anatomy, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Arham Siddiqui
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
| | - Travis Pero
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
- College of Dentistry, The Ohio State University, Columbus, OH 43210, USA
| | - Greta Volpedo
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
- Department of Microbiology, The Ohio State University, Columbus, OH 43210, USA
| | - Jessica L. Cooperstone
- Department of Horticulture and Crop Science, The Ohio State University, Columbus, OH 43210, USA;
- Department of Food Science and Technology, The Ohio State University, Columbus, OH 43210, USA
| | - Steve Oghumu
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (K.A.); (N.R.); (A.S.); (T.P.); (G.V.)
- Correspondence: ; Tel.: +1-614-685-7556
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29
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Stary V, Stary G. NK Cell-Mediated Recall Responses: Memory-Like, Adaptive, or Antigen-Specific? Front Cell Infect Microbiol 2020; 10:208. [PMID: 32477964 PMCID: PMC7240046 DOI: 10.3389/fcimb.2020.00208] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/16/2020] [Indexed: 01/29/2023] Open
Abstract
Mounting experimental evidence hints to an import role for natural killer (NK) cells in adaptive immune responses to pathogens. NK cells with adaptive features are heterogeneous and belong to different subsets according to their phenotype as well as the nature of their adaptive recall reactions. Three types of adaptive NK cell responses have been described: (i) NK cells with long-lived memory of multiple different haptens and viral antigens were described in murine liver tissue with a possible human counterpart; (ii) infection of human and mouse cytomegalovirus is associated with an expansion of NKG2C+ and Ly49H+ NK cells, respectively, that selectively recognize CMV-encoded peptides thereby facilitating recall responses; (iii) cytokine-stimulated NK cells respond to different stimuli with enhanced production of IFN-γ after re-stimulation. These exciting findings not only support the idea of NK cells with adaptive features, but define a novel field of harnessing memory NK cell subsets for therapeutic strategies.
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Affiliation(s)
- Victoria Stary
- Department of Surgery, Medical University of Vienna, Vienna, Austria
| | - Georg Stary
- Department of Dermatology, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
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30
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Oli AN, Obialor WO, Ifeanyichukwu MO, Odimegwu DC, Okoyeh JN, Emechebe GO, Adejumo SA, Ibeanu GC. Immunoinformatics and Vaccine Development: An Overview. Immunotargets Ther 2020; 9:13-30. [PMID: 32161726 PMCID: PMC7049754 DOI: 10.2147/itt.s241064] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 01/25/2020] [Indexed: 12/11/2022] Open
Abstract
The use of vaccines have resulted in a remarkable improvement in global health. It has saved several lives, reduced treatment costs and raised the quality of animal and human lives. Current traditional vaccines came empirically with either vague or completely no knowledge of how they modulate our immune system. Even at the face of potential vaccine design advance, immune-related concerns (as seen with specific vulnerable populations, cases of emerging/re-emerging infectious disease, pathogens with complex lifecycle and antigenic variability, need for personalized vaccinations, and concerns for vaccines' immunological safety -specifically vaccine likelihood to trigger non-antigen-specific responses that may cause autoimmunity and vaccine allergy) are being raised. And these concerns have driven immunologists toward research for a better approach to vaccine design that will consider these challenges. Currently, immunoinformatics has paved the way for a better understanding of some infectious disease pathogenesis, diagnosis, immune system response and computational vaccinology. The importance of this immunoinformatics in the study of infectious diseases is diverse in terms of computational approaches used, but is united by common qualities related to host–pathogen relationship. Bioinformatics methods are also used to assign functions to uncharacterized genes which can be targeted as a candidate in vaccine design and can be a better approach toward the inclusion of women that are pregnant into vaccine trials and programs. The essence of this review is to give insight into the need to focus on novel computational, experimental and computation-driven experimental approaches for studying of host–pathogen interactions and thus making a case for its use in vaccine development.
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Affiliation(s)
- Angus Nnamdi Oli
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
| | - Wilson Okechukwu Obialor
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
| | - Martins Ositadimma Ifeanyichukwu
- Department of Immunology, College of Health Sciences, Faculty of Medicine, Nnamdi Azikiwe University, Anambra, Nigeria.,Department of Medical Laboratory Science,Faculty of Health Science and Technology, College of Health Sciences, Nnamdi Azikiwe University,Nnewi Campus, Nnewi, Nigeria
| | - Damian Chukwu Odimegwu
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Nigeria Nsukka, Enugu, Nigeria
| | - Jude Nnaemeka Okoyeh
- Department of Biology and Clinical Laboratory Science, Division of Arts and Sciences, Neumann University, Aston, PA 19014-1298, USA
| | - George Ogonna Emechebe
- Department of Pediatrics, Faculty of Clinical Medicine, Chukwuemeka Odumegwu Ojukwu University, Awka, Nigeria
| | - Samson Adedeji Adejumo
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
| | - Gordon C Ibeanu
- Department of Pharmaceutical Science, North Carolina Central University, Durham, NC 27707, USA
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31
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Adjei IM, Jordan J, Tu N, Trinh TL, Kandell W, Wei S, Sharma B. Functional recovery of natural killer cell activity by nanoparticle‐mediated delivery of transforming growth factor beta 2 small interfering RNA. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/jin2.63] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Isaac M. Adjei
- J. Crayton Pruitt Family Department of Biomedical EngineeringUniversity of Florida Gainesville Florida 32611 USA
| | - Jahnelle Jordan
- J. Crayton Pruitt Family Department of Biomedical EngineeringUniversity of Florida Gainesville Florida 32611 USA
| | - Nhan Tu
- Moffitt Cancer Center Tampa Florida 33612 USA
| | | | | | - Sheng Wei
- Moffitt Cancer Center Tampa Florida 33612 USA
| | - Blanka Sharma
- J. Crayton Pruitt Family Department of Biomedical EngineeringUniversity of Florida Gainesville Florida 32611 USA
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32
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Joel MDM, Yuan J, Wang J, Yan Y, Qian H, Zhang X, Xu W, Mao F. MSC: immunoregulatory effects, roles on neutrophils and evolving clinical potentials. Am J Transl Res 2019; 11:3890-3904. [PMID: 31312397 PMCID: PMC6614638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 05/07/2019] [Indexed: 06/10/2023]
Abstract
Mesenchymal stem cells (MSCs) are multipotent, non-hematopoietic stem cells capable of differentiating into varieties of mature cell types such as osteoblasts, chondrocytes, adipocytes, and myoblasts. MSCs can be isolated from different kinds of tissues and cultivated in vitro for amplification and passage easily. These cells have drawn researcher's attention lately due to their ability of tissue repair, properties of hematopoiesis support and function of immunoregulation through the secretion of a variety of cytokines and growth factors that have both paracrine and autocrine activities. MSCs can regulate the proliferation of T cells, the antibodies secretion of B cells, maturation of DC, polarization of macrophages and also have many effects on neutrophils such as the suppression of NO secretion, inhibition of apoptosis, reduction of their infiltration, decreasing of N-Formy l-L-Methionine-L-leucy l-L-phenylalanine, induction of respiratory bursts and promotion of survivals. In some conditions, MSCs exert their function of treatment through immunoregulation. We reviewed the multifaceted roles of MSCs in communicating with immune cells mainly neutrophils in both in vivo and in vitro experiments. MSCs may provide promising trends for cell therapy in future.
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Affiliation(s)
- Mbobda Defo Marius Joel
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Jintao Yuan
- The People’s Hospital of Danyang, Affiliated Danyang Hospital of Nantong UniversityZhenjiang 212300, Jiangsu, P. R. China
| | - Jingyan Wang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Yongmin Yan
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Hui Qian
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Xu Zhang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Wenrong Xu
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
| | - Fei Mao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, P. R. China
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33
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Luci C, Vieira E, Perchet T, Gual P, Golub R. Natural Killer Cells and Type 1 Innate Lymphoid Cells Are New Actors in Non-alcoholic Fatty Liver Disease. Front Immunol 2019; 10:1192. [PMID: 31191550 PMCID: PMC6546848 DOI: 10.3389/fimmu.2019.01192] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/10/2019] [Indexed: 12/13/2022] Open
Abstract
Obesity and associated liver diseases (Non Alcoholic Fatty Liver Disease, NAFLD) are a major public health problem with increasing incidence in Western countries (25% of the affected population). These complications develop from a fatty liver (steatosis) to an inflammatory state (steatohepatitis) evolving toward fibrosis and hepatocellular carcinoma. Lipid accumulation in the liver contributes to hepatocyte cell death and promotes liver injury. Local immune cells are activated either by Danger Associated Molecular Patterns (DAMPS) released by dead hepatocytes or by bacterial products (PAMPS) reaching the liver due to increased intestinal permeability. The resulting low-grade inflammatory state promotes the progression of liver complications toward more severe grades. Innate lymphoid cells (ILC) are an heterogeneous family of five subsets including circulating Natural Killer (NK) cells, ILC1, ILC2, ILC3, and lymphocytes tissue-inducer cells (LTi). NK cells and tissue-resident ILCs, mainly located at epithelial surfaces, are prompt to rapidly react to environmental changes to mount appropriate immune responses. Recent works have demonstrated the interplay between ILCs subsets and the environment within metabolic active organs such as liver, adipose tissue and gut during diet-induced obesity leading or not to hepatic abnormalities. Here, we provide an overview of the newly roles of NK cells and ILC1 in metabolism focusing on their contribution to the development of NAFLD. We also discuss recent studies that demonstrate the ability of these two subsets to influence tissue-specific metabolism and how their function and homeostasis are affected during metabolic disorders.
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Affiliation(s)
- Carmelo Luci
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire, Nice, France
| | - Elodie Vieira
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire, Nice, France
| | - Thibaut Perchet
- Unité Lymphopoïèse, Institut Pasteur, INSERM U1223, Université Paris Diderot, Paris, France
| | - Philippe Gual
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire, Nice, France
| | - Rachel Golub
- Unité Lymphopoïèse, Institut Pasteur, INSERM U1223, Université Paris Diderot, Paris, France
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34
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Daly J, Carlsten M, O'Dwyer M. Sugar Free: Novel Immunotherapeutic Approaches Targeting Siglecs and Sialic Acids to Enhance Natural Killer Cell Cytotoxicity Against Cancer. Front Immunol 2019; 10:1047. [PMID: 31143186 PMCID: PMC6521797 DOI: 10.3389/fimmu.2019.01047] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 04/24/2019] [Indexed: 12/20/2022] Open
Abstract
Natural Killer (NK) cells are cytotoxic lymphocytes that play a key role in the immune system, targeting and destroying invading pathogens and malignantly transformed cells. Evading NK cell-mediated immunosurveillance is therefore critical to facilitating cancer cell survival and metastasis. Signals from a range of inhibitory and activating receptors located on the NK cell surface regulate NK cell cytotoxicity. Recently, attention has turned to the role of hypersialylated tumor cell surfaces in mediating immune-evasion of NK cells. Two inhibitory sialic acid-binding immunoglobulin-like lectin (Siglec) receptors are expressed by NK cells: Siglec-7 and Siglec-9. The abundance of sialic acids on tumor cell surface is hypothesized to regulate NK cell-mediated cytotoxicity by interacting with Siglec-7 and Siglec-9, causing a dampening of NK cell activation pathways. Targeting Siglec-7 and Siglec-9, or the sialic acid coated tumor cell surface is therefore being investigated as a novel therapeutic approach to enhance the NK cell response against cancer. In this review we report on the currently published documentation of the role for Siglec-7 and Siglec-9 receptors on NK cells and their ligands expressed by tumor cells. We also discuss the strategies currently explored to target Siglec-7, Siglec-9 and the sialylated tumor cell surface as well as the impact abrogation of these interactions have on NK cell cytotoxicity against several cancer types.
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Affiliation(s)
- John Daly
- Department of Hematology, Biomedical Sciences, National University of Ireland Galway, Galway, Ireland
| | - Mattias Carlsten
- Department of Medicine, Huddinge, Center for Haematology and Regenerative Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Michael O'Dwyer
- Department of Hematology, Biomedical Sciences, National University of Ireland Galway, Galway, Ireland
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Biron CA, Altfeld M. Is There Natural Killer Cell Memory and Can It Be Harnessed by Vaccination? Can Natural Killer and CD8 T Cells Switch Jobs? Cold Spring Harb Perspect Biol 2018; 10:cshperspect.a029892. [PMID: 29254975 DOI: 10.1101/cshperspect.a029892] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Natural killer (NK) cells are components of innate immunity mediating defense at early times after viral infections. Their cytokine production and cell-mediated cytotoxicity functions overlap those of CD8 T cells elicited later during primary adaptive immune responses, but the populations are distinguished by their basal states and activating receptors as well as the kinetics of their responses. Demonstration of long-lived NK cells has led to speculation on the potential for inducing these to contribute to immunological memory. Conversely, activated CD8 T cells can acquire responses to innate cytokines and, as a result, have the potential to contribute to innate immunity. These observations beg the question: what is required to be a player in innate and adaptive immunity?
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Affiliation(s)
- Christine A Biron
- Department of Molecular Microbiology and Immunology, The Division of Biology and Medicine, and The Warren Alpert Medical School, Brown University, Providence, Rhode Island 02903
| | - Marcus Altfeld
- Institute of Immunology, University Medical Center Hamburg-Eppendorf; and Department of Virus Immunology, Heinrich-Pette-Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany
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36
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Chang YH, Kumar R, Ng TH, Wang HC. What vaccination studies tell us about immunological memory within the innate immune system of cultured shrimp and crayfish. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 80:53-66. [PMID: 28279805 DOI: 10.1016/j.dci.2017.03.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 03/03/2017] [Accepted: 03/04/2017] [Indexed: 06/06/2023]
Abstract
The possibility of immunological memory in invertebrates is a topic that has recently attracted a lot of attention. Today, even vertebrates are known to exhibit innate immune responses that show memory-like properties, and since these responses are triggered by cells that are involved in the innate immune system, it seems that immune specificity and immune memory do not necessarily require the presence of B cells and T cells after all. This kind of immune response has been called "immune priming" or "trained immunity". In this report, we review recent observations and our current understanding of immunological memory within the innate immune system in cultured shrimp and crayfish after vaccination with live vaccine, killed vaccine and subunit vaccines. We also discuss the possible mechanisms involved in this immune response.
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Affiliation(s)
- Yu-Hsuan Chang
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Ramya Kumar
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Tze Hann Ng
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan, ROC
| | - Han-Ching Wang
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan, ROC.
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Jochems C, Hodge JW, Fantini M, Fujii R, Morillon YM, Greiner JW, Padget MR, Tritsch SR, Tsang KY, Campbell KS, Klingemann H, Boissel L, Rabizadeh S, Soon-Shiong P, Schlom J. An NK cell line (haNK) expressing high levels of granzyme and engineered to express the high affinity CD16 allele. Oncotarget 2018; 7:86359-86373. [PMID: 27861156 PMCID: PMC5341330 DOI: 10.18632/oncotarget.13411] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 11/07/2016] [Indexed: 02/04/2023] Open
Abstract
Natural killer (NK) cells are known to play a role in mediating innate immunity, in enhancing adaptive immune responses, and have been implicated in mediating anti-tumor responses via antibody-dependent cell-mediated cytotoxicity (ADCC) by reactivity of CD16 with the Fc region of human IgG1 antibodies. The NK-92 cell line, derived from a lymphoma patient, has previously been well characterized and adoptive transfer of irradiated NK-92 cells has demonstrated safety and shown preliminary evidence of clinical benefit in cancer patients. The NK-92 cell line, devoid of CD16, has now been engineered to express the high affinity (ha) CD16 V158 FcγRIIIa receptor, as well as engineered to express IL-2; IL-2 has been shown to replenish the granular stock of NK cells, leading to enhanced perforin- and granzyme-mediated lysis of tumor cells. The studies reported here show high levels of granzyme in haNK cells, and demonstrate the effects of irradiation of haNK cells on multiple phenotypic markers, viability, IL-2 production, and lysis of a spectrum of human tumor cells. Studies also compare endogenous irradiated haNK lysis of tumor cells with that of irradiated haNK-mediated ADCC using cetuximab, trastuzumab and pertuzumab monoclonal antibodies. These studies thus provide the rationale for the potential use of irradiated haNK cells in adoptive transfer studies for a range of human tumor types. Moreover, since only approximately 10% of humans are homozygous for the high affinity V CD16 allele, these studies also provide the rationale for the use of irradiated haNK cells in combination with IgG1 anti-tumor monoclonal antibodies.
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Affiliation(s)
- Caroline Jochems
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - James W Hodge
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Massimo Fantini
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Rika Fujii
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Y Maurice Morillon
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - John W Greiner
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Michelle R Padget
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Sarah R Tritsch
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Kwong Yok Tsang
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Kerry S Campbell
- Immune Cell Development and Host Defense Program, Institute for Cancer Research, Fox Chase Cancer Center, Philadelphia, PA, USA
| | | | | | | | | | - Jeffrey Schlom
- Laboratory of Tumor Immunology and Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
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Ishikawa T, Okayama T, Sakamoto N, Ideno M, Oka K, Enoki T, Mineno J, Yoshida N, Katada K, Kamada K, Uchiyama K, Handa O, Takagi T, Konishi H, Kokura S, Uno K, Naito Y, Itoh Y. Phase I clinical trial of adoptive transfer of expanded natural killer cells in combination with IgG1 antibody in patients with gastric or colorectal cancer. Int J Cancer 2018; 142:2599-2609. [PMID: 29388200 DOI: 10.1002/ijc.31285] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 01/06/2018] [Accepted: 01/18/2018] [Indexed: 12/16/2022]
Abstract
Natural killer (NK) cells exhibit strong cytotoxic activity against tumor cells without prior sensitization, and have the potential to exert antibody-dependent cellular cytotoxicity (ADCC). In this clinical trial, we examined the safety and efficacy of the use of NK cells, generated using a novel expansion system, in combination with IgG1 antibodies for the treatment of advanced gastric or colorectal cancers. Treatment consisted of trastuzumab- or cetuximab-based chemotherapy, plus adoptive NK cell therapy. For administration of expanded NK cells, dose escalation with a sequential 3 + 3 design was performed in three steps, at doses of 0.5 × 109 , 1.0 × 109 , and 2.0 × 109 cells/injection (N = 9). After 3 days of IgG1 antibody administration, patients were infused with expanded NK cells three times at triweekly intervals. NK cell populations expanded with our system were confirmed as being enriched in NK cells (median 92.9%) with high expression of NKG2D (97.6%) and CD16 (69.6%). The combination therapy was very well tolerated with no severe adverse events. Among six evaluable patients, four presented stable disease (SD) and two presented progressive disease. Of the four SD patients, three showed an overall decrease in tumor size after combination therapy. Immune monitoring suggested that combination therapy enhanced whole blood IFN-γ production and reduced peripheral regulatory T cells (Tregs). In conclusion, this phase I trial provides evidence of good tolerability, induction of Th1 immune responses, and preliminary anti-tumor activity for this combination therapy, in patients with advanced gastric and colorectal cancer that have received previous therapy.
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Affiliation(s)
- Takeshi Ishikawa
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tetsuya Okayama
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Naoyuki Sakamoto
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | | | - Kaname Oka
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | | | | | - Naohisa Yoshida
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuhiro Katada
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuhiro Kamada
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuhiko Uchiyama
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Osamu Handa
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Tomohisa Takagi
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hideyuki Konishi
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Satoshi Kokura
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kazuko Uno
- Division of Basic Research, Louis Pasteur Center for Medical Research, Kyoto, Japan
| | - Yuji Naito
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshito Itoh
- Department of Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Kholoussi S, Kholoussi N, Zaki ME, El-Bassyouni HT, Elnady H, Morcos B, Abo-Shanab A. Immunological Evaluation in Patients with Familial Mediterranean fever. Open Access Maced J Med Sci 2018. [PMID: 29531594 PMCID: PMC5839438 DOI: 10.3889/oamjms.2018.079] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE: This study aimed to investigate T & B lymphocyte subsets and Natural Killer (NK) cells patterns in children with FMF versus normal control subjects, to estimate the immunoglobulins IgG, IgM, and IgA levels, and to scrutinize the possible use of Neutrophil / Lymphocyte ratio (NLR) as a marker for subclinical inflammation in FMF patients. PATIENTS AND METHODS: A group of 42 patients with FMF attending the Genetics Clinic at National Research Centre were included in this study. They were 13 males and 19 females; their age ranged from 2 to 17 years old. Normal healthy subjects within the same age and sex range were included as a control group. Complete blood picture was done for all cases, and neutrophil/ lymphocyte ratio was calculated. Flow cytometer analysis was done for CD3, CD4, CD8, CD19 and CD16 using monoclonal antibodies. Immunoglobulins IgG, IgA and IgM were estimated in serum using nephelometry. RESULTS: Positive consanguinity was present in 20 patients (47.6%). Abdominal pain was the most common manifestation followed by fever, arthritis, and red rash. CD3, CD4 and CD8 were statistically increased in patients group as compared to normal control group, while CD16 was statistically decreased. CONCLUSION: The study suggests that quantitative measurement of CD expressions of CD3, CD4 and CD8 as well as NLR might be used as valuable markers for subclinical inflammation in FMF.
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Affiliation(s)
- Shams Kholoussi
- National Research Centre - Immunogenetics Department, Cairo, Egypt
| | - Naglaa Kholoussi
- National Research Centre - Immunogenetics Department, Cairo, Egypt
| | | | | | - Hala Elnady
- National Research Centre - Child Health, Cairo, Egypt
| | - Botros Morcos
- National Research Centre - Immunogenetics Department, Cairo, Egypt
| | - Asem Abo-Shanab
- National Research Centre - Immunogenetics Department, Cairo, Egypt
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40
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Immunomodulatory Behavior of Mesenchymal Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1119:73-84. [DOI: 10.1007/5584_2018_255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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41
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Li Q, Huang Q, Huyan T, Wang Y, Huang Q, Shi J. Bifacial effects of engineering tumour cell-derived exosomes on human natural killer cells. Exp Cell Res 2017; 363:141-150. [PMID: 29269076 DOI: 10.1016/j.yexcr.2017.12.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 12/03/2017] [Accepted: 12/07/2017] [Indexed: 12/21/2022]
Abstract
Extracellular vesicles (EVs) are nano vesicular structures that are secreted by almost all kinds of cells. Exosomes are small EVs derived from endosomes, with a diameter between 30-100nm. Tumour-derived exosomes carry many molecules and factors from tumour cells. These exosomes are recognized and taken up by immunocytes. However, tumour-derived exosomes can not only suppress immune cell functions but also help tumours escape immune surveillance in the tumour microenvironment. The present work investigated the effect of exosomes derived from genetical modified K562 cells (GMK cells), which express IL-15, IL-18 and 4-1BBL (TNFSF9) on their surface. The results showed that these GME exosomes, carrying IL-15, IL-18 and 4-1BBL proteins similar to their host cells, could activate NK cells, increase the cytotoxicity of NK cells on some tumour cells in a short treatment (4h) and promote NK cells proliferation. However, with an extended treatment time (48h), these exosomes could inhibite the cytotoxicity of NK cells by inhibiting activated receptor expression on NK cells. These results indicated the bifacial effects of GMK exosomes on NK cells, which will be helpful to explore the possibility of using transformed exosomes as an anti-tumour immune vaccine or a therapeutic tool in future.
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Affiliation(s)
- Qi Li
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China.
| | - Qiuping Huang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Ting Huyan
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Yilin Wang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Qingsheng Huang
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
| | - Junling Shi
- Key Laboratory for Space Bioscience and Space Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 YouyiXilu, Xi'an 710072, Shaanxi, PR China
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Fabritius C, Ritschl PV, Resch T, Roth M, Ebner S, Günther J, Mellitzer V, Nguyen AV, Pratschke J, Sauter M, Klingel K, Kotsch K. Deletion of the activating NK cell receptor NKG2D accelerates rejection of cardiac allografts. Am J Transplant 2017; 17:3199-3209. [PMID: 28805342 PMCID: PMC5694344 DOI: 10.1111/ajt.14467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 07/11/2017] [Accepted: 08/08/2017] [Indexed: 01/25/2023]
Abstract
It has already been shown that neutralization of the activating NK cell receptor NKG2D in combination with co-stimulation blockade prolongs graft survival of vascularized transplants. In order to clarify the underlying cellular mechanisms, we transplanted complete MHC-disparate BALB/c-derived cardiac grafts into C57BL/6 wildtypes or mice deficient for NKG2D (Klrk1-/- ). Although median survival was 8 days for both recipient groups, we detected already at day 5 posttransplantation significantly greater intragraft frequencies of NKp46+ NK cells in Klrk1-/- recipients than in wildtypes. This was followed by a significantly greater infiltration of CD4+ , but a lesser infiltration of CD8+ T cell frequencies. Contrary to published observations, co-stimulation blockade with CTLA4-Ig resulted in a significant acceleration of cardiac rejection by Klrk1-/- recipients, and this result was confirmed by applying a neutralizing antibody against NKG2D to wildtypes. In both experimental setups, grafts derived from Klrk1-/- recipients were characterized by significantly higher levels of interferon-γ mRNA, and both CD4+ and CD8+ T cells displayed a greater capacity for degranulation and interferon-γ production. In summary, our results clearly illustrate that NKG2D expression in the recipient is important for cardiac allograft survival, thus supporting the hypothesis that impairment of NK cells prevents the establishment of graft acceptance.
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Affiliation(s)
- Cornelia Fabritius
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria,Department of Surgery, Charité-Universitätsmedizin,
Berlin, Germany
| | | | - Thomas Resch
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Mario Roth
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Susanne Ebner
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Julia Günther
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Vanessa Mellitzer
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Anh-Vu Nguyen
- Department of Visceral, Abdominal and Transplantation Surgery,
Medical University of Innsbruck, Innsbruck, Austria
| | - Johann Pratschke
- Department of Surgery, Charité-Universitätsmedizin,
Berlin, Germany
| | - Martina Sauter
- Department of Molecular Pathology, Tübingen University
Hospital, Tübingen, Germany
| | - Karin Klingel
- Department of Molecular Pathology, Tübingen University
Hospital, Tübingen, Germany
| | - Katja Kotsch
- Department of Surgery, Charité-Universitätsmedizin,
Berlin, Germany
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Kurgan S, Kantarci A. Molecular basis for immunohistochemical and inflammatory changes during progression of gingivitis to periodontitis. Periodontol 2000 2017; 76:51-67. [DOI: 10.1111/prd.12146] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2016] [Indexed: 12/22/2022]
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Vendrame E, Fukuyama J, Strauss-Albee DM, Holmes S, Blish CA. Mass Cytometry Analytical Approaches Reveal Cytokine-Induced Changes in Natural Killer Cells. CYTOMETRY PART B-CLINICAL CYTOMETRY 2017; 92:57-67. [PMID: 27933717 DOI: 10.1002/cyto.b.21500] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 11/28/2016] [Accepted: 11/29/2016] [Indexed: 12/27/2022]
Abstract
BACKGROUND Natural killer (NK) cells have antiviral and antitumor activity that could be harnessed for the treatment of infections and malignancies. To maintain cell viability and enhance antiviral and antitumor effects, NK cells are frequently treated with cytokines. Here they performed an extensive assessment of the effects of cytokines on the phenotype and function of human NK cells. METHODS They used cytometry by time-of-flight (CyTOF) to evaluate NK cell repertoire changes after stimulation with interleukin (IL)-2, IL-15 or a combination of IL-12/IL-15/IL-18. To analyze the high dimensional CyTOF data, they used several statistical and visualization tools, including viSNE (Visualization of t-Distributed Stochastic Neighbor Embedding), Citrus (Cluster identification, characterization, and regression), correspondence analysis, and the Friedman-Rafsky test. RESULTS All three treatments (IL-2, IL-15, and IL-12/IL-15/IL-18) increase expression of CD56 and CD69. The effects of treatment with IL-2 and IL-15 are nearly indistinguishable and characterized principally by increased expression of surface markers including CD56, NKp30, NKp44, and increased expression of functional markers, such as perforin, granzyme B, and MIP-1β. The combination of IL-12/IL-15/IL-18 induces a profound shift in the repertoire structure, decreasing expression of CD16, CD57, CD8, NKp30, NKp46, and NKG2D, and dramatically increasing expression of IFN-γ. CONCLUSIONS CyTOF provides insights into the effects of cytokines on the phenotype and function of NK cells, which could inform future research efforts and approaches to NK cell immunotherapy. There are several analytical approaches to CyTOF data, and the appropriate method should be carefully selected based on which aspect of the dataset is being explored. © 2016 International Clinical Cytometry Society.
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Affiliation(s)
- Elena Vendrame
- Department of Medicine, Stanford University, Stanford, California
| | - Julia Fukuyama
- Department of Statistics, Stanford University, Stanford, California
| | | | - Susan Holmes
- Department of Statistics, Stanford University, Stanford, California
| | - Catherine A Blish
- Department of Medicine, Stanford University, Stanford, California.,Stanford Immunology, Stanford University, Stanford, California
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Distinct Roles of Vaccinia Virus NF-κB Inhibitor Proteins A52, B15, and K7 in the Immune Response. J Virol 2017; 91:JVI.00575-17. [PMID: 28424281 DOI: 10.1128/jvi.00575-17] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 04/11/2017] [Indexed: 01/09/2023] Open
Abstract
Poxviruses use a complex strategy to escape immune control, by expressing immunomodulatory proteins that could limit their use as vaccine vectors. To test the role of poxvirus NF-κB pathway inhibitors A52, B15, and K7 in immunity, we deleted their genes in an NYVAC (New York vaccinia virus) strain that expresses HIV-1 clade C antigens. After infection of mice, ablation of the A52R, B15R, and K7R genes increased dendritic cell, natural killer cell, and neutrophil migration as well as chemokine/cytokine expression. Revertant viruses with these genes confirmed their role in inhibiting the innate immune system. To different extents, enhanced innate immune responses correlated with increased HIV Pol- and Gag-specific polyfunctional CD8 T cell and HIV Env-specific IgG responses induced by single-, double-, and triple-deletion mutants. These poxvirus proteins thus influence innate and adaptive cell-mediated and humoral immunity, and their ablation offers alternatives for design of vaccine vectors that regulate immune responses distinctly.IMPORTANCE Poxvirus vectors are used in clinical trials as candidate vaccines for several pathogens, yet how these vectors influence the immune system is unknown. We developed distinct poxvirus vectors that express heterologous antigens but lack different inhibitors of the central host-cell signaling pathway. Using mice, we studied the capacity of these viruses to induce innate and adaptive immune responses and showed that these vectors can distinctly regulate the magnitude and quality of these responses. These findings provide important insights into the mechanism of poxvirus-induced immune response and alternative strategies for vaccine vector design.
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Fehniger TA, Cooper MA. Harnessing NK Cell Memory for Cancer Immunotherapy. Trends Immunol 2016; 37:877-888. [PMID: 27773685 DOI: 10.1016/j.it.2016.09.005] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 09/24/2016] [Accepted: 09/26/2016] [Indexed: 12/16/2022]
Abstract
Due to their ability to kill cancer cells and produce proinflammatory cytokines, natural killer (NK) cells have long been of clinical interest for their antitumor properties. The recent discovery of NK cell memory demonstrates that NK cell functions, and potentially antitumor responses, can be enhanced long term. Following nonspecific activation with the cytokines IL-12, IL-15, and IL-18 or in response to antigens or cytomegalovirus (CMV), human and mouse NK cells exhibit stable, enhanced functional responses with phenotypic and molecular changes. Here we review mechanisms driving the differentiation of NK cell memory-like properties, evidence for antitumor activity, and the challenges and opportunities in harnessing memory-like NK cells for cancer immunotherapy.
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Affiliation(s)
- Todd A Fehniger
- Department of Medicine, Division of Oncology, Washington University School of Medicine, St. Louis, MO 63110, USA.
| | - Megan A Cooper
- Department of Pediatrics, Division of Rheumatology, Washington University School of Medicine, St. Louis, MO 63110, USA.
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Lee SH, Lee I, Kim MH, Go JS, Lee SH, Hwang HJ, Hyun SK, Kang KH, Kim BW, Kim CM, Chung KT, Lee JH. An extract ofUlmus macrocarpaimproves cellular immunity in immuno-suppressed models. Anim Cells Syst (Seoul) 2016. [DOI: 10.1080/19768354.2016.1230556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Narayan EJ, Williams M. Understanding the dynamics of physiological impacts of environmental stressors on Australian marsupials, focus on the koala (Phascolarctos cinereus). BMC ZOOL 2016. [DOI: 10.1186/s40850-016-0004-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Duan X, Lu J, Zhou K, Wang J, Wu J, Fu Gao G, Fang M. NK-cells are involved in thymic atrophy induced by influenza A virus infection. J Gen Virol 2016; 96:3223-3235. [PMID: 26346306 DOI: 10.1099/jgv.0.000276] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
NK-cells have traditionally been viewed as innate effector lymphocytes that serve as a first line of defence against a range of viruses and tumours. More recently, the importance of NK-cell immunoregulatory functions has been highlighted. NK-cells can inhibit antiviral T-cell responses, and also play an important role in controlling harmful T-cell activity in autoimmunity and transplantation settings. Moreover, immunopathological effects of NK-cells during infection have been reported. Nevertheless, the phenotype and function of NK-cells in the thymus during influenza virus infection is not understood. In the present study, we demonstrated that influenza A virus (IAV) infection in mice led to severe thymic atrophy caused by increased thymic T-cell apoptosis and suppressed proliferation. We found that NK-cells played a critical role in this phenotype. IFN-c production by NK-cells was a contributing factor for thymic atrophy during IAV infection. Taken together, our data indicate that NK-cells are involved in the thymic atrophy associated with IAV infection.
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Affiliation(s)
- Xuefeng Duan
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China
| | - Jiao Lu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China.,University of Chinese Academy of Sciences, Beijing, PR China
| | - Kai Zhou
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China
| | - Jing Wang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China.,University of Chinese Academy of Sciences, Beijing, PR China
| | - Jihua Wu
- Department of Pathology, 306 Hospital of PLA, Beijing, PR China
| | - George Fu Gao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China
| | - Min Fang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, PR China.,Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, PR China
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Kawahara M, Hasegawa N, Takaku H. Murine Splenic Natural Killer Cells Do Not Develop Immunological Memory after Re-Encounter with Mycobacterium bovis BCG. PLoS One 2016; 11:e0152051. [PMID: 26999357 PMCID: PMC4801179 DOI: 10.1371/journal.pone.0152051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 03/08/2016] [Indexed: 12/20/2022] Open
Abstract
Several lines of evidence have recently suggested that natural killer (NK) cells develop immunological memory against viral infections. However, there is no apparent evidence that NK cells acquire specific memory against Mycobacterium bovis bacillus Calmette—Guérin (BCG), the only currently licensed vaccine for preventing tuberculosis. In the present study, we investigated whether murine splenic NK cells can be activated by BCG in a dendritic cell (DC)-independent or -dependent manner, and furthermore examined whether these NK cells acquire specific memory following BCG vaccination. NK cells isolated from spleens of BCG-immunized mice produced interferon (IFN)γ through direct BCG stimulation in the absence of antigen-presenting cells; however, NK cells from control animals similarly directly responded to BCG, and the response level was not statistically significant between the immunized and the naïve NK cells. When purified NK cells that had been exposed to BCG were cocultured with RAW murine macrophages infected with BCG, the antibacterial activity of the macrophages was strongly enhanced; however, its level was similar to that by naïve NK cells, which had not been exposed to BCG. When splenocytes harvested from BCG-immunized mice were stimulated with purified protein derivative (PPD) derived from Mycobacterium tuberculosis, a specific IFNγ response was clearly observed, mainly attributed to NK cells and memory CD4+ T cells. To investigate whether these NK cells as well as the T cells are activated by cell−cell interaction with DCs presenting mycobacterial antigens, NK cells isolated from BCG-immunized mice were cocultured with splenocytes harvested from naïve mice in the presence of PPD stimulation. However, no IFNγ response was found in the NK cells. These results suggest that murine splenic NK cells do not develop BCG-specific immunological memory in either a DC-independent or -dependent manner.
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Affiliation(s)
- Mamoru Kawahara
- Research and Development Department, Japan BCG Laboratory, Matsuyama, Kiyose, Tokyo, Japan
- Department of Life and Environmental Sciences, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba, Japan
- * E-mail:
| | - Nozomi Hasegawa
- Department of Life and Environmental Sciences, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba, Japan
| | - Hiroshi Takaku
- Department of Life and Environmental Sciences, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba, Japan
- Research Institute, Chiba Institute of Technology, Tsudanuma, Narashino, Chiba, Japan
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