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Naidoo L, Arumugam T, Ramsuran V. Host Genetic Impact on Infectious Diseases among Different Ethnic Groups. ADVANCED GENETICS (HOBOKEN, N.J.) 2023; 4:2300181. [PMID: 38099246 PMCID: PMC10716055 DOI: 10.1002/ggn2.202300181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/11/2023] [Indexed: 12/17/2023]
Abstract
Infectious diseases such as malaria, tuberculosis (TB), human immunodeficiency virus (HIV), and the coronavirus disease of 2019 (COVID-19) are problematic globally, with high prevalence particularly in Africa, attributing to most of the death rates. There have been immense efforts toward developing effective preventative and therapeutic strategies for these pathogens globally, however, some remain uncured. Disease susceptibility and progression for malaria, TB, HIV, and COVID-19 vary among individuals and are attributed to precautionary measures, environment, host, and pathogen genetics. While studying individuals with similar attributes, it is suggested that host genetics contributes to most of an individual's susceptibility to disease. Several host genes are identified to associate with these pathogens. Interestingly, many of these genes and polymorphisms are common across diseases. This paper analyzes genes and genetic variations within host genes associated with HIV, TB, malaria, and COVID-19 among different ethnic groups. The differences in host-pathogen interaction among these groups, particularly of Caucasian and African descent, and which gene polymorphisms are prevalent in an African population that possesses protection or risk to disease are reviewed. The information in this review could potentially help develop personalized treatment that could effectively combat the high disease burden in Africa.
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Affiliation(s)
- Lisa Naidoo
- School of Laboratory Medicine and Medical SciencesCollege of Health SciencesUniversity of KwaZulu‐NatalDurban4041South Africa
| | - Thilona Arumugam
- School of Laboratory Medicine and Medical SciencesCollege of Health SciencesUniversity of KwaZulu‐NatalDurban4041South Africa
| | - Veron Ramsuran
- School of Laboratory Medicine and Medical SciencesCollege of Health SciencesUniversity of KwaZulu‐NatalDurban4041South Africa
- Centre for the AIDS Programme of Research in South Africa (CAPRISA)University of KwaZulu‐NatalDurban4041South Africa
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Tukwasibwe S, Mboowa G, Sserwadda I, Nankabirwa JI, Arinaitwe E, Ssewanyana I, Taremwa Y, Tumusiime G, Kamya MR, Jagannathan P, Nakimuli A. Impact of high human genetic diversity in Africa on immunogenicity and efficacy of RTS,S/AS01 vaccine. Immunogenetics 2023; 75:207-214. [PMID: 37084013 PMCID: PMC10119520 DOI: 10.1007/s00251-023-01306-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 04/06/2023] [Indexed: 04/22/2023]
Abstract
In modern medicine, vaccination is one of the most effective public health strategies to prevent infectious diseases. Indisputably, vaccines have saved millions of lives by reducing the burden of many serious infections such as polio, tuberculosis, measles, pneumonia, and tetanus. Despite the recent recommendation by the World Health Organization (WHO) to roll out RTS,S/AS01, this malaria vaccine still faces major challenges of variability in its efficacy partly due to high genetic variation in humans and malaria parasites. Immune responses to malaria vary between individuals and populations. Human genetic variation in immune system genes is the probable cause for this heterogeneity. In this review, we will focus on human genetic factors that determine variable responses to vaccination and how variation in immune system genes affect the immunogenicity and efficacy of the RTS,S/AS01 vaccine.
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Affiliation(s)
- Stephen Tukwasibwe
- Infectious Diseases Research Collaboration, Kampala, Uganda.
- Infectious Diseases Institute, College of Health Sciences, Makerere University, Kampala, Uganda.
- School of Medicine, Uganda Christian University, Kampala, Uganda.
| | - Gerald Mboowa
- Infectious Diseases Institute, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Ivan Sserwadda
- Infectious Diseases Institute, College of Health Sciences, Makerere University, Kampala, Uganda
| | | | | | | | - Yoweri Taremwa
- Infectious Diseases Research Collaboration, Kampala, Uganda
| | - Gerald Tumusiime
- School of Medicine, Uganda Christian University, Kampala, Uganda
| | - Moses R Kamya
- Infectious Diseases Research Collaboration, Kampala, Uganda
- School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
| | | | - Annettee Nakimuli
- School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
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Perce-da-Silva DDS, Joaquim TE, Aleixo ALQDC, Motta JPR, Lima-Junior JDC, Ribeiro-Alves M, de Oliveira-Ferreira J, Porto LCDMS, Banic DM, Amendoeira MRR. Influence of killer immunoglobulin-like receptors genes on the recurrence rate of ocular toxoplasmosis in Brazil. Mem Inst Oswaldo Cruz 2023; 118:e220203. [PMID: 37018796 PMCID: PMC10065411 DOI: 10.1590/0074-02760220203] [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: 08/31/2022] [Accepted: 02/14/2023] [Indexed: 04/03/2023] Open
Abstract
BACKGROUND Recurrence is a hallmark of ocular toxoplasmosis (OT), and conditions that influence its occurrence remain a challenge. Natural killer cells (NK) are effectors cells whose primary is cytotoxic function against many parasites, including Toxoplasma gondii. Among the NK cell receptors, immunoglobulin-like receptors (KIR) deserve attention due to their high polymorphism. OBJECTIVES This study aimed to analyse the influence of KIR gene polymorphism in the course of OT infection and its association with recurrences after an active episode. METHODS Ninety-six patients from the Ophthalmologic Clinic of the National Institute of Infectology Evandro Chagas were followed for up to five years. After DNA extraction, genotyping of the patients was performed by polymerase chain reaction sequence-specific oligonucleotide (PCR-SSO) utilising Luminex equipment for reading. During follow-up, 60.4% had a recurrence. FINDINGS We identified 25 KIR genotypes and found a higher frequency of genotype 1 (31.7%) with worldwide distribution. We note that the KIR2DL2 inhibitor gene and the gene activator KIR2DS2 were more frequent in patients without recurrence. Additionally, we observed that individuals who carry these genes progressed recurrence episodes slowly compared to individuals who do not carry these genes. MAIN CONCLUSIONS The KIR2DL2 and KIR2DS2 are associated as possible protection markers against ocular toxoplasmosis recurrence (OTR).
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Affiliation(s)
- Daiana de Souza Perce-da-Silva
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Imunologia Clínica, Rio de Janeiro, RJ, Brasil
- Centro Universitário Arthur Sá Earp Neto, Faculdade de Medicina de Petrópolis, Laboratório de Imunologia Básica e Aplicada, Petrópolis, RJ, Brasil
- + Corresponding authors: /
| | - Thays Euzebio Joaquim
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Toxoplasmose e outras Protozooses, Rio de Janeiro, RJ, Brasil
| | - Ana Luisa Quintella do Couto Aleixo
- Fundação Oswaldo Cruz-Fiocruz, Instituto Nacional de Infectologia Evandro Chagas, Laboratório de Pesquisa Clínica em Oftalmologia Infecciosa, Rio de Janeiro, RJ, Brasil
| | | | - Josué da Costa Lima-Junior
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Imunoparasitologia, Rio de Janeiro, RJ, Brasil
| | - Marcelo Ribeiro-Alves
- Fundação Oswaldo Cruz-Fiocruz, Instituto Nacional de Infectologia Evandro Chagas, Centro de Pesquisa Clínica HIV/AIDS, Rio de Janeiro, RJ, Brasil
| | - Joseli de Oliveira-Ferreira
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Imunoparasitologia, Rio de Janeiro, RJ, Brasil
| | | | - Dalma Maria Banic
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Imunologia Clínica, Rio de Janeiro, RJ, Brasil
| | - Maria Regina Reis Amendoeira
- Fundação Oswaldo Cruz-Fiocruz, Instituto Oswaldo Cruz, Laboratório de Toxoplasmose e outras Protozooses, Rio de Janeiro, RJ, Brasil
- + Corresponding authors: /
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Pollock NR, Harrison GF, Norman PJ. Immunogenomics of Killer Cell Immunoglobulin-Like Receptor (KIR) and HLA Class I: Coevolution and Consequences for Human Health. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1763-1775. [PMID: 35561968 PMCID: PMC10038757 DOI: 10.1016/j.jaip.2022.04.036] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 12/12/2022]
Abstract
Interactions of killer cell immunoglobin-like receptors (KIR) with human leukocyte antigens (HLA) class I regulate effector functions of key cytotoxic cells of innate and adaptive immunity. The extreme diversity of this interaction is genetically determined, having evolved in the ever-changing environment of pathogen exposure. Diversity of KIR and HLA genes is further facilitated by their independent segregation on separate chromosomes. That fetal implantation relies on many of the same types of immune cells as infection control places certain constraints on the evolution of KIR interactions with HLA. Consequently, specific inherited combinations of receptors and ligands may predispose to specific immune-mediated diseases, including autoimmunity. Combinatorial diversity of KIR and HLA class I can also differentiate success rates of immunotherapy directed to these diseases. Progress toward both etiopathology and predicting response to therapy is being achieved through detailed characterization of the extent and consequences of the combinatorial diversity of KIR and HLA. Achieving these goals is more tractable with the development of integrated analyses of molecular evolution, function, and pathology that will establish guidelines for understanding and managing risks. Here, we present what is known about the coevolution of KIR with HLA class I and the impact of their complexity on immune function and homeostasis.
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Affiliation(s)
- Nicholas R Pollock
- Division of Biomedical Informatics and Personalized Medicine and Department of Immunology and Microbiology, Anschutz Medical Campus, University of Colorado, Aurora, Colo
| | - Genelle F Harrison
- Division of Biomedical Informatics and Personalized Medicine and Department of Immunology and Microbiology, Anschutz Medical Campus, University of Colorado, Aurora, Colo
| | - Paul J Norman
- Division of Biomedical Informatics and Personalized Medicine and Department of Immunology and Microbiology, Anschutz Medical Campus, University of Colorado, Aurora, Colo.
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Chaisri S, Jayaraman J, Mongkolsapaya J, Duangchinda T, Jumniansong A, Trowsdale J, Traherne JA, Leelayuwat C. KIR copy number variations in dengue-infected patients from northeastern Thailand. Hum Immunol 2022; 83:328-334. [DOI: 10.1016/j.humimm.2022.01.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 12/16/2021] [Accepted: 01/07/2022] [Indexed: 11/04/2022]
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Variations in killer-cell immunoglobulin-like receptor and human leukocyte antigen genes and immunity to malaria. Cell Mol Immunol 2020; 17:799-806. [PMID: 32541835 PMCID: PMC7294524 DOI: 10.1038/s41423-020-0482-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/19/2020] [Indexed: 12/29/2022] Open
Abstract
Malaria is one of the deadliest infectious diseases in the world. Immune responses to Plasmodium falciparum malaria vary among individuals and between populations. Human genetic variation in immune system genes is likely to play a role in this heterogeneity. Natural killer (NK) cells produce inflammatory cytokines in response to malaria infection, kill intraerythrocytic Plasmodium falciparum parasites by cytolysis, and participate in the initiation and development of adaptive immune responses to plasmodial infection. These functions are modulated by interactions between killer-cell immunoglobulin-like receptors (KIRs) and human leukocyte antigens (HLAs). Therefore, variations in KIR and HLA genes can have a direct impact on NK cell functions. Understanding the role of KIRs and HLAs in immunity to malaria can help to better characterize antimalarial immune responses. In this review, we summarize the different KIRs and HLAs associated with immunity to malaria thus far.
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Goodier MR, Wolf AS, Riley EM. Differentiation and adaptation of natural killer cells for anti-malarial immunity. Immunol Rev 2019; 293:25-37. [PMID: 31762040 DOI: 10.1111/imr.12798] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/07/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022]
Abstract
Natural killer cells employ a diverse arsenal of effector mechanisms to target intracellular pathogens. Differentiation of natural killer (NK) cell activation pathways occurs along a continuum from reliance on innate pro-inflammatory cytokines and stress-induced host ligands through to interaction with signals derived from acquired immune responses. Importantly, the degree of functional differentiation of the NK cell lineage influences the magnitude and specificity of interactions with host cells infected with viruses, bacteria, fungi, and parasites. Individual humans possess a vast diversity of distinct NK cell clones, each with the capacity to vary along this functional differentiation pathway, which - when combined - results in unique individual responses to different infections. Here we summarize these NK cell differentiation events, review evidence for direct interaction of malaria-infected host cells with NK cells and assess how innate inflammatory signals induced by malaria parasite-associated molecular patterns influence the indirect activation and function of NK cells. Finally, we discuss evidence that anti-malarial immunity develops in parallel with advancing NK differentiation, coincident with a loss of reliance on inflammatory signals, and a refined capacity of NK cells to target malaria parasites more precisely, particularly through antibody-dependent mechanisms.
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Affiliation(s)
- Martin R Goodier
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, UK
| | - Asia-Sophia Wolf
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, UK.,Department of Infection and Immunity, University College London, London, UK
| | - Eleanor M Riley
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, UK.,The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
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