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Meng Z, Zhang S, Li W, Wang Y, Wang M, Liu X, Liu CL, Liao S, Liu T, Yang C, Lindholt JS, Rasmussen LM, Obel LM, Stubbe J, Diederichsen AC, Sun Y, Chen Y, Yu PB, Libby P, Shi GP, Guo J. Cationic proteins from eosinophils bind bone morphogenetic protein receptors promoting vascular calcification and atherogenesis. Eur Heart J 2023; 44:2763-2783. [PMID: 37279475 PMCID: PMC10393071 DOI: 10.1093/eurheartj/ehad262] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 02/28/2023] [Accepted: 04/17/2023] [Indexed: 06/08/2023] Open
Abstract
AIMS Blood eosinophil count and eosinophil cationic protein (ECP) concentration are risk factors of cardiovascular diseases. This study tested whether and how eosinophils and ECP contribute to vascular calcification and atherogenesis. METHODS AND RESULTS Immunostaining revealed eosinophil accumulation in human and mouse atherosclerotic lesions. Eosinophil deficiency in ΔdblGATA mice slowed atherogenesis with increased lesion smooth muscle cell (SMC) content and reduced calcification. This protection in ΔdblGATA mice was muted when mice received donor eosinophils from wild-type (WT), Il4-/-, and Il13-/- mice or mouse eosinophil-associated-ribonuclease-1 (mEar1), a murine homologue of ECP. Eosinophils or mEar1 but not interleukin (IL) 4 or IL13 increased the calcification of SMC from WT mice but not those from Runt-related transcription factor-2 (Runx2) knockout mice. Immunoblot analyses showed that eosinophils and mEar1 activated Smad-1/5/8 but did not affect Smad-2/3 activation or expression of bone morphogenetic protein receptors (BMPR-1A/1B/2) or transforming growth factor (TGF)-β receptors (TGFBR1/2) in SMC from WT and Runx2 knockout mice. Immunoprecipitation showed that mEar1 formed immune complexes with BMPR-1A/1B but not TGFBR1/2. Immunofluorescence double-staining, ligand binding, and Scatchard plot analysis demonstrated that mEar1 bound to BMPR-1A and BMPR-1B with similar affinity. Likewise, human ECP and eosinophil-derived neurotoxin (EDN) also bound to BMPR-1A/1B on human vascular SMC and promoted SMC osteogenic differentiation. In a cohort of 5864 men from the Danish Cardiovascular Screening trial and its subpopulation of 394 participants, blood eosinophil counts and ECP levels correlated with the calcification scores of different arterial segments from coronary arteries to iliac arteries. CONCLUSION Eosinophils release cationic proteins that can promote SMC calcification and atherogenesis using the BMPR-1A/1B-Smad-1/5/8-Runx2 signalling pathway.
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Affiliation(s)
- Zhaojie Meng
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Shuya Zhang
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research & Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research of the First Affiliated Hospital, Hainan Medical University, Haikou 571199, Hainan, China
| | - Wei Li
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, Jilin, China
| | - Yunzhe Wang
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
- Department of Cardiology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Minjie Wang
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Xin Liu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Cong-Lin Liu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
- Department of Cardiology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Sha Liao
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Tianxiao Liu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Chongzhe Yang
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
- Department of Geriatrics, National Key Clinical Specialty, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou 510000, Guangdong, China
| | - Jes S Lindholt
- Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark
- Elite Research Centre of Individualized Treatment for Arterial Disease, University Hospital, Odense, Denmark
| | - Lars M Rasmussen
- Elite Research Centre of Individualized Treatment for Arterial Disease, University Hospital, Odense, Denmark
- Department of Clinical Biochemistry, Odense University Hospital, Odense, Denmark
| | - Lasse M Obel
- Elite Research Centre of Individualized Treatment for Arterial Disease, University Hospital, Odense, Denmark
- Department of Clinical Biochemistry, Odense University Hospital, Odense, Denmark
| | - Jane Stubbe
- Cardiovascular and Renal Research unit, Institute for Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Axel C Diederichsen
- Elite Research Centre of Individualized Treatment for Arterial Disease, University Hospital, Odense, Denmark
- Department of Cardiology, Odense University Hospital, Odense, Denmark
| | - Yong Sun
- Department of Pathology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Birmingham VA Medical Center, Research Department, Birmingham, AL 35294, USA
| | - Yabing Chen
- Department of Pathology, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Birmingham VA Medical Center, Research Department, Birmingham, AL 35294, USA
| | - Paul B Yu
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Peter Libby
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 77 Avenue Louis Pasteur, NRB-7, Boston, MA 02115, USA
| | - Junli Guo
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research & Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research of the First Affiliated Hospital, Hainan Medical University, Haikou 571199, Hainan, China
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Carvalho N, Carolino E, Coelho H, Barreira AL, Moreira L, André M, Henriques S, Cardoso C, Moita L, Costa PM. Eosinophil Granule Proteins Involvement in Acute Appendicitis-An Allergic Disease? Int J Mol Sci 2023; 24:ijms24109091. [PMID: 37240441 DOI: 10.3390/ijms24109091] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 05/28/2023] Open
Abstract
Several pieces of evidence point to an allergic component as a trigger of acute appendicitis. As the Th2 immune response is characterized by eosinophil mobilization to the target organ and release of their cationic granule proteins, it is reasonable to investigate if the degranulation of eosinophils could be associated with the local injury. The primary aim of this study is to evaluate the participation of eosinophils granules proteins in acute appendicitis, both at local and systemic levels and the secondary aim is to evaluate the diagnostic accuracy of eosinophils granules proteins for the detection of acute appendicitis, as well as for distinguishing between complicated and uncomplicated acute appendicitis. Eosinophil-derived neurotoxin (EDN), eosinophil cationic protein (ECP) and eosinophil peroxidase (EP) are the most well-known eosinophil granule proteins. From August 2021 to April 2022, we present a prospective single-center study to evaluate the EDN, ECP, and EP concentrations simultaneously in appendicular lavage fluid (ALF) and the serum of 22 patients with acute phlegmonous appendicitis (APA), 24 with acute gangrenous appendicitis (AGA), and 14 normal controls. Concerning EDN, no differences were found between groups. ECP concentrations in ALF and serum were significantly higher in the histologically confirmed acute appendicitis compared to the control groups (p < 0.0001 and p < 0.0001, respectively). In ALF, no differences were found between ECP levels in APA: 38.85 ng/mL (IQR 26.50-51.77) and AGA 51.55 ng/mL (IQR 39.55-70.09) groups (p = 0.176). In the serum, no difference was found between ECP levels at APA: 39 ng/mL (IQR 21.30-56.90) and AGA: 51.30 ng/mL (IQR 20.25-62.59) (p = 0.100). For EP, the concentrations in ALF (p < 0.001) and serum (p < 0.001) were both higher in acute appendicitis compared to the control. In ALF, no difference was found between APA: 240.28 ng/mL (IQR 191.2-341.3) and AGA: 302.5 (IQR 227.7-535.85) (p = 0.236). In the serum, no differences were found between APA: 158.4 ng/mL (IQR 111.09-222.1) and AGA: 235.27 (IQR 192.33-262.51) (p = 0.179). Globally, the ALF concentrations were higher than serum concentrations, reflecting an intense inflammatory local reaction in AA. The optimal ECP cut-off for discriminating between acute appendicitis and the controls was >11.41 ng/mL, with a sensitivity of 93.5%, but with a specificity for identifying appendicitis of 21.4%, good discriminative power (AUC = 0.880). For EP, the optimal cut-off was >93.20 ng/mL, with a sensitivity of 87%, but with a specificity of 14.3% (AUC = 0.901), excellent discriminative power. For the diagnosis of perforated AA, the discriminative power of ECP and EP serum concentrations are weak (AUC = 0.562 and AUC = 0.664, respectively). Concerning the presence of peritonitis, the discriminative power of ECP and EP serum concentrations is acceptable, respectively: AUC = 0.724 and AUC = 0.735. Serum levels of EDN (p = 0.119), ECP (p = 0.586) and EP (p = 0.08) in complicated appendicitis were similar to uncomplicated appendicitis. Serum concentrations of ECP and EP can be added to decision-making AA diagnosis. A Th2-type immune response is present in AA. These data bring forward the role of an allergic reaction in the pathogenesis of acute appendicitis.
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Affiliation(s)
- Nuno Carvalho
- Serviço Cirurgia Geral, Hospital Garcia de Orta, 2805-267 Almada, Portugal
- Faculdade Medicina, Universidade Lisboa, 1649-028 Lisboa, Portugal
| | - Elisabete Carolino
- H&TRC-Health & Technology Research Center, ESTeSL-Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1549-020 Lisboa, Portugal
| | - Hélder Coelho
- Serviço de Anatomia Patológica, Hospital Garcia de Orta, 2805-267 Almada, Portugal
| | - Ana Lúcia Barreira
- Serviço Cirurgia Geral, Hospital Garcia de Orta, 2805-267 Almada, Portugal
| | - Luísa Moreira
- Serviço de Urologia, Hospital Garcia de Orta, 2805-267 Almada, Portugal
| | - Margarida André
- Serviço de Urologia, Hospital Garcia de Orta, 2805-267 Almada, Portugal
| | - Susana Henriques
- Serviço Cirurgia Geral, Hospital Garcia de Orta, 2805-267 Almada, Portugal
| | - Carlos Cardoso
- Dr. Joaquim Chaves Laboratório de Análises Clínicas, 1495-068 Alges, Portugal
| | - Luis Moita
- Innate Immunity and Inflammation Lab, Instituto Gulbenkian de Ciência Oeiras, 2780-156 Oeiras, Portugal
- Instituto de Histologia e Biologia do Desenvolvimento, Faculdade Medicina, Universidade Lisboa, 1649-028 Lisboa, Portugal
| | - Paulo Matos Costa
- Serviço Cirurgia Geral, Hospital Garcia de Orta, 2805-267 Almada, Portugal
- Faculdade Medicina, Universidade Lisboa, 1649-028 Lisboa, Portugal
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Abstract
The ribonuclease A (RNase A) family is one of the best-characterized vertebrate-specific proteins. In humans, eight catalytically active RNases (numbered 1–8) have been identified and have unique tissue distributions. Apart from the digestion of dietary RNA, a broad range of biological actions, including the regulation of intra- or extra-cellular RNA metabolism as well as antiviral, antibacterial, and antifungal activities, neurotoxicity, promotion of cell proliferation, anti-apoptosis, and immunomodulatory abilities, have been recently reported for the members of this family. Based on multiple biological roles, RNases are found to participate in the pathogenic processes of many diseases, such as infection, immune dysfunction, neurodegeneration, cancer, and cardiovascular disorders. This review summarizes the available data on the human RNase A family and illustrates the significant roles of the eight canonical RNases in health and disease, for stimulating further basic research and development of ideas on the potential solutions for disease diagnosis and treatment.
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Affiliation(s)
- Desen Sun
- Department of Gastroenterology, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang 315020, China,Department of Biochemistry and Molecular Biology, and Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, China
| | - Chenjie Han
- Institute of Environmental Medicine and Affiliated Hangzhou First People’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310058, China,Undergraduate Program in Public Health, School of Public Health, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Jinghao Sheng
- Institute of Environmental Medicine and Affiliated Hangzhou First People’s Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310058, China,Corresponding author
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Sakyi SA, Wilson MD, Adu B, Opoku S, Brewoo A, Larbi A, Baafour EK, Tchum SK, Saahene RO, Aniagyei W, Sewor C, Courtin D, Cappello M, Gyan B, Amoani B. Plasmodium falciparum coinfection is associated with improved IgE and IgG3 response against hookworm antigens. Health Sci Rep 2022; 5:e672. [PMID: 35734341 PMCID: PMC9195015 DOI: 10.1002/hsr2.672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/17/2022] [Accepted: 04/29/2022] [Indexed: 12/02/2022] Open
Abstract
Background Plasmodium falciparum and Hookworm infections are prevalent in West Africa and they cause iron deficiency anemia and protein malnutrition in Children. Immune response of these parasites interact and their interactions could have repercussions on vaccine development and efficacy. The current goal of hookworm eradication lies on vaccination. We evaluated the effect of P. falciparum coinfection and albendazole treatment on naturally acquired antibody profile against hookworm L3 stage larvae antigen. Methods In a longitudinal study, 40 individuals infected with Necator americanus only, 63 participants infected with N. americanus and P. falciparum, and 36 nonendemic controls (NECs) were recruited. The study was done in the Kintampo North Metropolis of Ghana. Stool and blood samples were taken for laboratory analyses. Serum samples were obtained before hookworm treatment and 3 weeks after treatment. Results The malaria-hookworm (N. americanus and P. falciparum) coinfected subjects had significantly higher levels of IgE (β = 0.30, 95% CI = [0.12, 0.48], p = 0.023) and IgG3 (β = 0.15, 95% CI = [0.02, 0.52], p = 0.004) compared to those infected with hookworm only (N. americanus). The N. americanus groups had significantly higher levels of IgG3 (β = 0.39, 95% CI = [0.14-0.62], p = 0.002) compared to the control group. Similarly, N. americanus and P. falciparum coinfected participants had significantly higher levels of IgE (β = 0.35, 95% CI = [0.70-0.39], p = 0.002) and IgG3 (β = 0.54, 95% CI = [0.22-0.76], p = 0.002). Moreover, albendazole treatment led to a significant reduction in IgE, IgA, IgM, and IgG3 antibodies against hookworm L3 stage larvae (p < 0.05). Conclusion P. falciparum is associated with improved IgE and IgG response against hookworm L3 stage larvae. Treatment with single dose of albendazole led to reduction in naturally acquired immune response against hookworm infection. Thus, P. falciparum infection may have a boosting effect on hookworm vaccine effectiveness.
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Affiliation(s)
- Samuel A. Sakyi
- Department of Molecular Medicine, School of Medical SciencesKwame Nkrumah University of Science and TechnologyKumasiGhana
| | - Michael D. Wilson
- Parasitology Department, Noguchi Memorial Institute for Medical ResearchCollege of Health Sciences, University of GhanaLegonGhana
| | - Bright Adu
- Department of Immunology, Noguchi Memorial Institute for Medical ResearchCollege of Health Sciences, University of GhanaLegonGhana
| | - Stephen Opoku
- Department of Molecular Medicine, School of Medical SciencesKwame Nkrumah University of Science and TechnologyKumasiGhana
- Kumasi Center for Collaborative Research in Tropical MedicineKumasiGhana
| | - Antwi Brewoo
- Department of Microbiology and Immunology, School of Medical SciencesUniversity of Cape CoastCapeGhana
| | - Amma Larbi
- Department of Biochemistry and BiotechnologyKwame Nkrumah University of Science and TechnologyKumasiGhana
| | - Emmanuel K. Baafour
- Department of Immunology, Noguchi Memorial Institute for Medical ResearchCollege of Health Sciences, University of GhanaLegonGhana
| | - Samuel K. Tchum
- Kintampo Health Research Center, Ghana Health ServiceKintampo‐NorthGhana
| | - Roland O. Saahene
- Department of Microbiology and Immunology, School of Medical SciencesUniversity of Cape CoastCapeGhana
| | - Wilfred Aniagyei
- Department of Molecular Medicine, School of Medical SciencesKwame Nkrumah University of Science and TechnologyKumasiGhana
- Kumasi Center for Collaborative Research in Tropical MedicineKumasiGhana
| | - Christian Sewor
- Department of Biomedical Sciences, School of Allied Health SciencesUniversity of Cape CoastCape CoastGhana
| | - David Courtin
- UMR 261 MERITInstitut de Recherche pour le Développement (IRD), Université de ParisParisFrance
| | - Michael Cappello
- Partnerships for Global Health, Department of Pediatrics, Yale School of MedicineYale UniversityNew HavenConnecticutUSA
| | - Ben Gyan
- Department of Immunology, Noguchi Memorial Institute for Medical ResearchCollege of Health Sciences, University of GhanaLegonGhana
| | - Benjamin Amoani
- Department of Biomedical Sciences, School of Allied Health SciencesUniversity of Cape CoastCape CoastGhana
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Sakyi SA, Amoani B, Opoku S, Dzata L, Aniagyei W, Senu E, Dankwa K, Wilson MD. Assessing the role of eosinophil-mediated immune response markers in detecting hookworm infection: A case-control study in Kintampo, Ghana. Health Sci Rep 2022; 5:e674. [PMID: 35662977 PMCID: PMC9165202 DOI: 10.1002/hsr2.674] [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: 02/21/2022] [Revised: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 11/16/2022] Open
Abstract
Background and Aim Human hookworm disease caused by Ancylostoma duodenale and Necator americanus is a serious public health problem. Hookworm infection activates eosinophil‐mediated tissue inflammatory responses, involving the production of the eosinophil‐specific chemokine (eotaxin), recruitment of eosinophils, secretion of the cationic protein, and production of antiparasite immunoglobulin E (IgE). We investigated eosinophil‐mediated immune response as markers (CCL11, eosinophil cationic protein [ECP], and IgE) for detecting hookworm infection. Methods This case‐control study was carried out in hookworm endemic areas within the Kintampo North Municipality.Forty hookworm‐positive subjects and 36 apparently healthy individuals were recruited as cases and controls, respectively. Stool samples were collected for hookworm detection by the Kato–Katz technique and speciation by polymerase chain reaction. Approximately, 5 ml of intravenous blood was used to obtain plasma for the immunological assays. Results Of eosinophil‐mediated immune response markers studied, ECP and CCL11 were significantly higher among hookworm patients compared to controls. Increasing CCL11 (β = −0.81, p = 0.015) was associated with a significant decrease hookworm intensity. However, increasing eosinophil count (β = 0.62, p = 0.027) was associated with significant increase in hookworm intensity. In receiver operator characteristics analysis, ECP could significantly detect hookworm infection with a very high area under the curve (AUC) (AUC = 0.97, p < 0.0001). At a cutoff of 39.05, ECP was the best eosinophil‐mediated immune response marker for detecting hookworm infection with a sensitivity of 97.2%, specificity of 87.8%, a positive predictive value of 89.7%, and a negative predictive value of 96.6%. Conclusion ECP best predicts eosinophil‐mediated immune response for detecting hookworm infection, while CCL11 and eosinophil count better predict the intensity of hookworm. Moreover, the ECP level is a good indicator of hookworm infection and intensity and may require additional investigations to augment current hookworm diagnostic techniques.
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Affiliation(s)
- Samuel A Sakyi
- Department of Molecular Medicine, School of Medicine and Dentistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Benjamin Amoani
- Department of Biomedical Science, School of Medicine and Dentistry University of Cape Coast Cape Coast Ghana
| | - Stephen Opoku
- Department of Molecular Medicine, School of Medicine and Dentistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Lawrence Dzata
- Department of Microbiology and Immunology, School of Medical Sciences University of Cape Coast Cape Coast Ghana
| | - Wilfred Aniagyei
- Department of Biomedical Science, School of Medicine and Dentistry University of Cape Coast Cape Coast Ghana
| | - Ebenezer Senu
- Department of Molecular Medicine, School of Medicine and Dentistry Kwame Nkrumah University of Science and Technology Kumasi Ghana
| | - Kwabena Dankwa
- Department of Microbiology and Immunology, School of Medical Sciences University of Cape Coast Cape Coast Ghana
| | - Michael D Wilson
- Parasitology Department, Noguchi Memorial Institute for Medical Research, College of Health Sciences University of Ghana Legon Ghana
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Mahittikorn A, Masangkay FR, De Jesus Milanez G, Kuraeiad S, Kotepui M. Prevalence and effect of Plasmodium spp. and hookworm co-infection on malaria parasite density and haemoglobin level: a meta-analysis. Sci Rep 2022; 12:6864. [PMID: 35477943 PMCID: PMC9046215 DOI: 10.1038/s41598-022-10569-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/11/2022] [Indexed: 12/14/2022] Open
Abstract
The dual effects of co-infection of Plasmodium spp. and hookworm on malaria remain under debate. This study investigated prevalence, prevalence odds ratio (POR) of co-infection and impact of co-infection on malaria parasite density and haemoglobin levels in comparison to Plasmodium mono-infection. The protocol for this systematic review and meta-analysis is registered at PROPERO under ID: CRD42020202156. Relevant literatures were obtained from PubMed, ISI Web of Science, and Scopus on 25 December 2020. Mean difference (MD) and confidence interval (CI) of malaria parasite density and haemoglobin were compared using a random effect model. Heterogeneity was assessed using Cochrane Q and I2 statistics. Publication bias was determined by visualising funnel plot asymmetry. Of 1756 articles examined, 22,191 malaria cases across 37 studies included 6096 cases of co-infection of Plasmodium spp. and hookworm. The pooled prevalence was 20% (95% CI 15–26%, I2 99.6%, 37 studies) and was varied in terms of geographical region. Co-infection occurred by chance (OR 0.97, p 0.97, 95% CI 0.73–1.27, I2 95%, 30 studies). The mean malaria parasite density for co-infection (478 cases) was similar to Plasmodium mono-infection (920 cases) (p 0.24, MD 0.86, 95% CI − 0.58–2.29, I2 100%, 7 studies). The mean haemoglobin level for co-infection (90 cases) was similar to Plasmodium mono-infection (415 cases) (p 0.15, MD − 0.63, 95% CI − 1.49–0.23, I2 98%, 4 studies). Co-infection was common and occurred by chance but varied by geographic region. Further studies are required to investigate the mechanism of hookworm infection on malaria severity. Additionally, detection of hookworm infections among patients with malaria in endemic areas of both diseases is recommended to prevent severe malaria.
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Affiliation(s)
- Aongart Mahittikorn
- Department of Protozoology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | | | - Giovanni De Jesus Milanez
- Department of Medical Technology, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines
| | - Saruda Kuraeiad
- Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand
| | - Manas Kotepui
- Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand.
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Doyen V, Corazza F, Nhu Thi H, Le Chi T, Truyens C, Nagant C, Tran Thi Mong H, Fils JF, Thi Ngoc Huynh P, Michel O. Hookworm treatment induces a decrease of suppressive regulatory T cell associated with a Th2 inflammatory response. PLoS One 2021; 16:e0252921. [PMID: 34111180 PMCID: PMC8191899 DOI: 10.1371/journal.pone.0252921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/25/2021] [Indexed: 01/04/2023] Open
Abstract
Background Like other helminths, hookworms (HW) induce a regulatory immune response able to modulate and dampen reactivity of the host to antigens. No data about the evolution of the immune response after treatment are available. We aim to phenotype the regulatory immune response during natural HW infection and its evolution after treatment. Methodology Twenty hookworm infected (HW+) and 14 non-infected subjects HW–from endemic area in the periphery of Ho Chi Minh City were included. Blood and feces samples were obtained before, 2 and 4 weeks after treatment with Albendazole 400mg. Additional samples were obtained at 3 and 12 months in the HW+ group. Hematological parameters, Treg (CD4+CD25hiFoxP3hi) and surface molecules (CD39, CD62L, ICOS, PD-1, CD45RA) were measured as well as inflammatory and lymphocytes differentiation cytokines such as IL-1β, IL-6, IFNγ, IL-4, IL-17, IL-10, IL-2 and TGFβ. Results HW+ subjects showed higher Treg, TregICOS+, Treg PD1-, TregCD62L+ and CD45RA+FoxP3lo resting Treg (rTreg). CD45RA-FoxP3lo non-suppressive Treg cells were also increased. No preferential Th1/Th2 orientation was observed, nor difference for IL-10 between two groups. After treatment, Treg, TregICOS+, TregCD62L+, Treg PD1- and rTreg decreased while IL-4 and IL-6 cytokines increased. Conclusion During HW infection, Treg are increased and characterized by a heterogeneous population: a highly suppressive as well as a non-suppressive T cells phenotype. After treatment, Treg with immune-suppressive phenotype exhibited a decrease parallel to an inflammatory Th2 response.
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Affiliation(s)
- Virginie Doyen
- Laboratory of Translational Research, ULB223, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Clinic of Immunoallergology, CHU Brugmann, ULB, Brussels, Belgium
- * E-mail:
| | - Francis Corazza
- Laboratory of Translational Research, ULB223, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Immunology Laboratory, LHUB-ULB, Brussels, Belgium
| | - Hoa Nhu Thi
- Parasitology and Mycology Department, Pham Ngoc Thach University of Medicine, Ho Chi Minh, Vietnam
| | - Thanh Le Chi
- Immunology Laboratory, Pasteur Institute, Ho Chi Minh, Vietnam
| | - Carine Truyens
- Parasitology Laboratory, ULB Center for Research in immunology (U-CRI), Université Libre de Bruxelles, Brussels, Belgium
| | - Carole Nagant
- Laboratory of Translational Research, ULB223, CHU Brugmann, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Immunology Laboratory, LHUB-ULB, Brussels, Belgium
| | - Hiep Tran Thi Mong
- Department of Family Medicine, Pham Ngoc Thach University of Medicine, Ho Chi Minh, Vietnam
| | | | | | - Olivier Michel
- Clinic of Immunoallergology, CHU Brugmann, ULB, Brussels, Belgium
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Amoani B, Gyan B, Sakyi SA, Abu EK, Nuvor SV, Barnes P, Sarkodie-Addo T, Ahenkorah B, Sewor C, Dwomoh D, Theisen M, Cappello M, Wilson MD, Adu B. Effect of hookworm infection and anthelmintic treatment on naturally acquired antibody responses against the GMZ2 malaria vaccine candidate and constituent antigens. BMC Infect Dis 2021; 21:332. [PMID: 33832450 PMCID: PMC8028774 DOI: 10.1186/s12879-021-06027-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 03/30/2021] [Indexed: 11/30/2022] Open
Abstract
Background Malaria and helminths diseases are co-endemic in most parts of sub-Saharan Africa. Immune responses from each of these pathogens interact, and these interactions may have implications on vaccines. The GMZ2 malaria vaccine candidate is a fusion protein of Plasmodium falciparum merozoite surface protein 3 (MSP3) and glutamate rich protein (GLURP R0). GMZ2 has recently showed modest efficacy in a phase IIb multicenter trial. Here, we assessed the effect of hookworm (Necator americanus) infection and anthelmintic treatment on naturally acquired antibody responses against GMZ2 and constituent antigens. Methods This longitudinal cross-sectional study was conducted in the Kintampo North Municipality of Ghana. Blood and stool samples were taken from 158 individuals (4–88 years old) infected with either P. falciparum alone (n = 59) or both hookworm and P. falciparum (n = 63) and uninfected endemic controls (n = 36). Stool hookworm infection was detected by the Kato-Katz method and PCR. Malaria parasitaemia was detected by RDT, light microscopy and P. falciparum-specific 18S rRNA gene PCR. Serum samples were obtained prior to hookworm treatment with a single dose of albendazole (400 mg) and 3 weeks (21 days) after treatment. Levels of IgG1, IgG3 and IgM against GMZ2, MSP3 and GLURP R0 were measured by ELISA and compared among the groups, before and after treatment. Results Participants with P. falciparum and hookworm co-infection had significantly higher IgG3 levels to GMZ2 than those with only P. falciparum infection and negative control (p < 0.05) at baseline. Treatment with albendazole led to a significant reduction in IgG3 levels against both GMZ2 and GLURP R0. Similarly, IgM and IgG1 levels against MSP3 also decreased following deworming treatment. Conclusion Individuals with co-infection had higher antibody responses to GMZ2 antigen. Treatment of hookworm/malaria co-infection resulted in a reduction in antibody responses against GMZ2 and constituent antigens after albendazole treatment. Thus, hookworm infection and treatment could have a potential implication on malaria vaccine efficacy.
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Affiliation(s)
- Benjamin Amoani
- Department of Biomedical Science, School of Allied Health Sciences, University of Cape Coast, Cape Coast, Ghana.,Department of Molecular Medicine, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Ben Gyan
- Department of Immunology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Samuel Asamoah Sakyi
- Department of Molecular Medicine, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
| | - Emmanuel Kwasi Abu
- Department of Optometry, School of Allied Health Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Samuel Victor Nuvor
- Department of Microbiology and Immunology, School of Medical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Precious Barnes
- Department of Physician Assistant, School of Allied Health Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Tracy Sarkodie-Addo
- Department of Immunology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Benjamin Ahenkorah
- Department of Molecular Medicine, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.,Department of Medical Laboratory Science, Bolgatanga Technical University, Bolgatanga, Upper East Region, Ghana
| | - Christian Sewor
- Department of Biomedical Science, School of Allied Health Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Duah Dwomoh
- Department of Biostatistics, School of Public Health, University of Ghana, Accra, Ghana
| | - Michael Theisen
- Department for Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark.,Centre for Medical Parasitology at Department of International Health, Immunology, and Microbiology, University of Copenhagen, and Department of Infectious Diseases, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Michael Cappello
- Partnerships for Global Health, Department of Pediatrics, Yale School of Medicine, Yale University, New Haven, CT, USA
| | - Michael D Wilson
- Parasitology Department, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
| | - Bright Adu
- Department of Immunology, Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Ghana
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Intestinal eosinophils: multifaceted roles in tissue homeostasis and disease. Semin Immunopathol 2021; 43:307-317. [PMID: 33772336 DOI: 10.1007/s00281-021-00851-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 03/02/2021] [Indexed: 12/11/2022]
Abstract
Intestinal eosinophils are largely considered to be one of the central immune effector cells during helminth infection and disorders such as eosinophilic oesophagitis and food allergies. Given the abundance of these cells present in the gastrointestinal tract at homeostasis, emerging studies now reveal novel roles for eosinophils in the development and regulation of immunity, and during tissue repair. In addition, the identification of distinct eosinophil subsets indicates that we must consider the heterogeneity of these cells and how they differentially participate in mucosal immunity at steady state and during disease. Here, we summarise the literature on intestinal eosinophils, and how they contribute to mucosal homeostasis through immune regulation and interactions with the microbiome. We then explore the divergent roles of eosinophils in the context of eosinophilic gastrointestinal disorders and during helminth infection, whereby we discuss key observations and differences that have emerged from animal models and human studies. Lastly, we consider the possible interactions of eosinophils with the enteric nervous system, and how this represents an exciting area for future research which may inform future therapeutic targets.
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An update on non-invasive urine diagnostics for human-infecting parasitic helminths: what more could be done and how? Parasitology 2019; 147:873-888. [PMID: 31831084 PMCID: PMC7284843 DOI: 10.1017/s0031182019001732] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Reliable diagnosis of human helminth infection(s) is essential for ongoing disease surveillance and disease elimination. Current WHO-recommended diagnostic assays are unreliable in low-endemic near-elimination settings and typically involve the invasive, onerous and potentially hazardous sampling of bodily fluids such as stool and blood, as well as tissue via biopsy. In contrast, diagnosis by use of non-invasive urine sampling is generally painless, more convenient and low risk. It negates the need for specialist staff, can usually be obtained immediately upon request and is better accepted by patients. In some instances, urine-based diagnostic assays have also been shown to provide a more reliable diagnosis of infection when compared to traditional methods that require alternative and more invasive bodily samples, particularly in low-endemicity settings. Given these relative benefits, we identify and review current research literature to evaluate whether non-invasive urine sampling is currently exploited to its full potential in the development of diagnostic tools for human helminthiases. Though further development, assessment and validation are needed before their routine use in control programmes, low-cost, rapid and reliable assays capable of detecting transrenal helminth-derived antigens and cell-free DNA show excellent promise for future use at the point-of-care in high-, medium- and even low-endemicity elimination settings.
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