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Lebu S, Kibone W, Muoghalu CC, Ochaya S, Salzberg A, Bongomin F, Manga M. Soil-transmitted helminths: A critical review of the impact of co-infections and implications for control and elimination. PLoS Negl Trop Dis 2023; 17:e0011496. [PMID: 37561673 PMCID: PMC10414660 DOI: 10.1371/journal.pntd.0011496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023] Open
Abstract
Researchers have raised the possibility that soil-transmitted helminth (STH) infections might modify the host's immune response against other systemic infections. STH infections can alter the immune response towards type 2 immunity that could then affect the likelihood and severity of other illnesses. However, the importance of co-infections is not completely understood, and the impact and direction of their effects vary considerably by infection. This review synthesizes evidence regarding the relevance of STH co-infections, the potential mechanisms that explain their effects, and how they might affect control and elimination efforts. According to the literature reviewed, there are both positive and negative effects associated with STH infections on other diseases such as malaria, human immunodeficiency virus (HIV), tuberculosis, gestational anemia, pediatric anemia, neglected tropical diseases (NTDs) like lymphatic filariasis, onchocerciasis, schistosomiasis, and trachoma, as well as Coronavirus Disease 2019 (COVID-19) and human papillomavirus (HPV). Studies typically describe how STHs can affect the immune system and promote increased susceptibility, survival, and persistence of the infection in the host by causing a TH2-dominated immune response. The co-infection of STH with other diseases has important implications for the development of treatment and control strategies. Eliminating parasites from a human host can be more challenging because the TH2-dominated immune response induced by STH infection can suppress the TH1 immune response required to control other infections, resulting in an increased pathogen load and more severe disease. Preventive chemotherapy and treatment are currently the most common approaches used for the control of STH infections, but these approaches alone may not be adequate to achieve elimination goals. Based on the conclusions drawn from this review, integrated approaches that combine drug administration with water, sanitation and hygiene (WASH) interventions, hygiene education, community engagement, and vaccines are most likely to succeed in interrupting the transmission of STH co-infections. Gaining a better understanding of the behavior and relevance of STH co-infections in the context of elimination efforts is an important intermediate step toward reducing the associated burden of disease.
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Affiliation(s)
- Sarah Lebu
- The Water Institute at UNC, Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Winnie Kibone
- School of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Chimdi C. Muoghalu
- The Water Institute at UNC, Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Stephen Ochaya
- Department of Microbiology and Immunology, Faculty of Medicine, Gulu University, Gulu, Uganda
- Department of Biology, Faculty of Science, Gulu University, Gulu, Uganda
- Department of Clinical Pathology, Uppsala Academic Hospital, Uppsala, Sweden
| | - Aaron Salzberg
- The Water Institute at UNC, Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Felix Bongomin
- Department of Microbiology and Immunology, Faculty of Medicine, Gulu University, Gulu, Uganda
| | - Musa Manga
- The Water Institute at UNC, Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
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2
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Omondi MA, Kamassa EH, Katawa G, Tchopba CN, Vogelbusch C, Parcina M, Tchadié EP, Amessoudji OM, Arndts K, Karou SD, Ameyapoh Y, Kolou M, Hoerauf A, Layland LE, Horsnell WGC, Ritter M. Hookworm infection associates with a vaginal Type 1/Type 2 immune signature and increased HPV load. Front Immunol 2022; 13:1009968. [PMID: 36330509 PMCID: PMC9623172 DOI: 10.3389/fimmu.2022.1009968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/30/2022] [Indexed: 11/25/2022] Open
Abstract
Helminth infection-driven changes to immunity in the female reproductive tract (FRT) is an immune axis that is currently understudied but can have major implications for the control of FRT infections. Here we address how human hookworm infection associates with vaginal immune profile and risk of Human papillomavirus (HPV) infection. Stool, blood, cervical swabs and vaginal flushes were collected from women from the Central region of Togo to screen for hookworms (Ancylostoma duodenale) and high carcinogenic risk HPV types, via Kato Katz and PCR, respectively. Cytokine, chemokine and immunoglobulin levels were analysed in cervicovaginal lavages and plasma samples. A pronounced mixed Type 1/Type 2 immune response was detected in the vaginal fluids of women with hookworm infection and this immune signature was a notable feature in hookworm-HPV co-infected women. Moreover, hookworm infection is positively associated with increased risk and load of HPV infection. These findings highlight helminth infection as a significant risk factor for acquiring a sexually transmitted viral infection and potentially raising the risk of subsequent pathology.
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Affiliation(s)
- Millicent A. Omondi
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
| | - Eya H. Kamassa
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Gnatoulma Katawa
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
- *Correspondence: Manuel Ritter, ; William G. C. Horsnell, ; Laura E. Layland, ; Gnatoulma Katawa,
| | - Christèle N. Tchopba
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Celina Vogelbusch
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Marijo Parcina
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Edlom P. Tchadié
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Oukoe M. Amessoudji
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Kathrin Arndts
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Simplice D. Karou
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Yaovi Ameyapoh
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Malewé Kolou
- Unité de Recherche en Immunologie et Immunomodulation (UR2IM)/Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires (LAMICODA), Ecole Supérieure des Techniques Biologiques et Alimentaires, Universite de Lomé, Lomé, Togo
| | - Achim Hoerauf
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
- German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site Bonn, Bonn, Germany
- German Centre for Infection Research (DZIF), Neglected Tropical Disease, Partner site Bonn-Cologne, Bonn, Germany
| | - Laura E. Layland
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
- German Centre for Infection Research (DZIF), Neglected Tropical Disease, Partner site Bonn-Cologne, Bonn, Germany
- *Correspondence: Manuel Ritter, ; William G. C. Horsnell, ; Laura E. Layland, ; Gnatoulma Katawa,
| | - William G. C. Horsnell
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
- Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
- *Correspondence: Manuel Ritter, ; William G. C. Horsnell, ; Laura E. Layland, ; Gnatoulma Katawa,
| | - Manuel Ritter
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
- *Correspondence: Manuel Ritter, ; William G. C. Horsnell, ; Laura E. Layland, ; Gnatoulma Katawa,
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3
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Crosstalk between the Intestinal Virome and Other Components of the Microbiota, and Its Effect on Intestinal Mucosal Response and Diseases. J Immunol Res 2022; 2022:7883945. [PMID: 36203793 PMCID: PMC9532165 DOI: 10.1155/2022/7883945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
In recent years, there has been ample evidence illustrating the effect of microbiota on gut immunity, homeostasis, and disease. Most of these studies have engaged more efforts in understanding the role of the bacteriome in gut mucosal immunity and disease. However, studies on the virome and its influence on gut mucosal immunity and pathology are still at infancy owing to limited metagenomic tools. Nonetheless, the existing studies on the virome have largely been focused on the bacteriophages as these represent the main component of the virome with little information on endogenous retroviruses (ERVs) and eukaryotic viruses. In this review, we describe the gut virome, and its role in gut mucosal response and disease progression. We also explore the crosstalk between the virome and other microorganisms in the gut mucosa and elaborate on how these interactions shape the gut mucosal immunity going from bacteriophages through ERVs to eukaryotic viruses. Finally, we elucidate the potential contribution of this crosstalk in the pathogenesis of inflammatory bowel diseases and colon cancer.
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4
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Adebamowo SN, Befano B, Cheung LC, Rodriguez AC, Demarco M, Rydzak G, Chen X, Porras C, Herrero R, Kim JJ, Castle PE, Wentzensen N, Kreimer AR, Schiffman M, Campos NG. Different human papillomavirus types share early natural history transitions in immunocompetent women. Int J Cancer 2022; 151:920-929. [PMID: 35603904 PMCID: PMC9329241 DOI: 10.1002/ijc.34128] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/30/2022] [Accepted: 04/27/2022] [Indexed: 11/07/2022]
Abstract
Necessary stages of cervical carcinogenesis include acquisition of a carcinogenic human papillomavirus (HPV) type, persistence associated with the development of precancerous lesions, and invasion. Using prospective data from immunocompetent women in the Guanacaste HPV Natural History Study (NHS), the ASCUS-LSIL Triage Study (ALTS) and the Costa Rica HPV Vaccine Trial (CVT), we compared the early natural history of HPV types to inform transition probabilities for health decision models. We excluded women with evidence of high-grade cervical abnormalities at any point during follow-up and restricted the analysis to incident infections in all women and prevalent infections in young women (aged <30 years). We used survival approaches accounting for interval-censoring to estimate the time to clearance distribution for 20 529 HPV infections (64% were incident and 51% were carcinogenic). Time to clearance was similar across HPV types and risk classes (HPV16, HPV18/45, HPV31/33/35/52/58, HPV 39/51/56/59 and noncarcinogenic HPV types); and by age group (18-29, 30-44 and 45-54 years), among carcinogenic and noncarcinogenic infections. Similar time to clearance across HPV types suggests that relative prevalence can predict relative incidence. We confirmed that there was a uniform linear association between incident and prevalent infections for all HPV types within each study cohort. In the absence of progression to precancer, we observed similar time to clearance for incident infections across HPV types and risk classes. A singular clearance function for incident HPV infections has important implications for the refinement of microsimulation models used to evaluate the cost-effectiveness of novel prevention technologies.
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Affiliation(s)
- Sally N. Adebamowo
- Department of Epidemiology and Public Health, Greenebaum Comprehensive Cancer Center; University of Maryland School of Medicine, Baltimore, MD, United States
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Brian Befano
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
- Information Management Services Inc, Information Management, Calverton, NY, United States
| | - Li C. Cheung
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Ana Cecilia Rodriguez
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Maria Demarco
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Greg Rydzak
- Information Management Services Inc, Information Management, Calverton, NY, United States
| | - Xiaojian Chen
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Carolina Porras
- Agencia Costarricense de Investigaciones Biomédicas, Fundación INCIENSA, San José, Costa Rica
| | - Rolando Herrero
- Agencia Costarricense de Investigaciones Biomédicas, Fundación INCIENSA, San José, Costa Rica
- Prevention and Implementation Group, International Agency for Research on Cancer, Lyon, France
| | - Jane J. Kim
- Center for Health Decision Science, Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Philip E. Castle
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
- Division of Cancer Prevention, National Cancer Institute, Rockville, MD, United States
| | - Nicolas Wentzensen
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Aimée R. Kreimer
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Mark Schiffman
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
| | - Nicole G. Campos
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States
- Center for Health Decision Science, Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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5
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Vichi G, Porcellato I, Mechelli L, Fantauzzo G, Razzuoli E, Modesto P, Mecocci S, Brachelente C. Co‐occurrence of papillomas related to
Equus caballus
papillomavirus type 2 and cutaneous habronemiasis. EQUINE VET EDUC 2022. [DOI: 10.1111/eve.13479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- G. Vichi
- BiEsseA Veterinary Laboratory MilanoItaly
| | | | - L. Mechelli
- Department of Veterinary Medicine PerugiaItaly
| | | | - E. Razzuoli
- National Reference Center of Veterinary and Comparative Oncology (CEROVEC) Genoa Italy
| | - P. Modesto
- National Reference Center of Veterinary and Comparative Oncology (CEROVEC) Genoa Italy
| | - S. Mecocci
- Department of Veterinary Medicine PerugiaItaly
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6
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Holali Ameyapoh A, Katawa G, Ritter M, Tchopba CN, Tchadié PE, Arndts K, Kamassa HE, Mazou B, Amessoudji OM, N'djao A, Agoro S, Vogelbusch C, Omondi MA, Kolou M, Karou SD, Horsnell W, Hoerauf A, Ameyapoh Y, Layland LE. Hookworm Infections and Sociodemographic Factors Associated With Female Reproductive Tract Infections in Rural Areas of the Central Region of Togo. Front Microbiol 2021; 12:738894. [PMID: 34803955 PMCID: PMC8595254 DOI: 10.3389/fmicb.2021.738894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/04/2021] [Indexed: 11/26/2022] Open
Abstract
Female reproductive tract infections (FRTIs) have a huge impact on women’s health including their reproductive health in rural areas. Immunomodulation by helminth infections could influence the occurrence of FRTIs. This study aimed to investigate the association between FRTIs, hookworm infections, and sociodemographic factors in six rural areas of the central region of Togo. A semi-structured questionnaire was used to collect sociodemographical information, and parasitological assessments were used to diagnose helminth infections. Moreover, cytobacteriological examination of vaginal swabs was performed for the diagnosis of candidiasis and bacterial vaginosis (BV), and real-time PCR method was used to determine sexually transmitted infections (STIs). Finally, a logistic regression analysis was performed to assess the relationship and association of these factors to FRTIs. The prevalence of FRTIs was 82.3% including STIs (74.38%), BV (31.79%), and vulvovaginal candidiasis (9.85%). In detail, FRTIs were caused by bacteria such as Ureaplasma parvum (50%), Ureaplasma urealyticum (26.5%), and Mycoplasma hominis (17.5%) and viruses such us cytomegalovirus (5%) and human papilloma virus (HPV) (20%). No cases of Haemophilus ducreyi, Treponema pallidum, or varicella-zoster virus (VZV) were observed. Interestingly, women who had hookworm infections were at high risk of HPV. The use of condoms was a protective factor [adjusted odds ratio (aOR) = 0.23; 95% CI [0.11–0.51)], while the use of contraceptive methods was a risk factor [aOR = 2.49; 95% CI (1.19–5.19)] for STIs. The risk of BV was lower among participants who had more than four pregnancies [aOR = 0.27; 95% CI (0.11–0.65)]. Furthermore, women who had ever been paid for sexual intercourse were at high probability risk of vulvovaginal candidiasis [aOR = 16.92; 95% CI (1.46–196.48)]. This study highlighted risk factors associated with FRTIs, the control of which would help to reduce the incidence of these diseases. Health-care professionals could develop education and sensitization strategies based on these risk factors, and anti-hookworm treatment concepts may be taken into consideration to minimize the risk of HPV infections.
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Affiliation(s)
- Adjoa Holali Ameyapoh
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Gnatoulma Katawa
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Manuel Ritter
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Christèle Nguepou Tchopba
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Pélagie Edlom Tchadié
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Kathrin Arndts
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Hélène E Kamassa
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Bassimtou Mazou
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Oukoe M Amessoudji
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Akawulu N'djao
- Hôpital du District de Tchaoudjo, Direction Préfectorale de la Santé, Sokodé, Togo
| | - Sibabe Agoro
- Direction Régionale de la Santé, Région la Kara, Kara, Togo
| | - Celina Vogelbusch
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Millicent A Omondi
- Division of Immunology, Faculty of Health Science, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Malewe Kolou
- Faculté des Sciences de la Santé, Université de Lomé, Lomé, Togo
| | - Simplice D Karou
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - William Horsnell
- Division of Immunology, Faculty of Health Science, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa.,Wellcome Centre for Infectious Diseases Research in Africa (CIDRI), University of Cape Town, Cape Town, South Africa.,Institute of Microbiology and Infection, University of Birmingham, Birmingham, United Kingdom
| | - Achim Hoerauf
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany.,German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, Bonn, Germany.,German-West African Centre for Global Health and Pandemic Prevention (G-WAC), Partner Site, Bonn, Bonn, Germany
| | - Yaovi Ameyapoh
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Unité de Recherche en Immunologie et Immunomodulation (UR2IM), Ecole Supérieure des Techniques Biologiques et Alimentaires (ESTBA), Université de Lomé, Lomé, Togo
| | - Laura E Layland
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany.,German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, Bonn, Germany
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7
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Chetty A, Darby MG, Vornewald PM, Martín-Alonso M, Filz A, Ritter M, McSorley HJ, Masson L, Smith K, Brombacher F, O'Shea MK, Cunningham AF, Ryffel B, Oudhoff MJ, Dewals BG, Layland LE, Horsnell WGC. Il4ra-independent vaginal eosinophil accumulation following helminth infection exacerbates epithelial ulcerative pathology of HSV-2 infection. Cell Host Microbe 2021; 29:579-593.e5. [PMID: 33857419 PMCID: PMC8062792 DOI: 10.1016/j.chom.2021.02.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 12/08/2020] [Accepted: 02/08/2021] [Indexed: 12/22/2022]
Abstract
How helminths influence the pathogenesis of sexually transmitted viral infections is not comprehensively understood. Here, we show that an acute helminth infection (Nippostrongylus brasiliensis [Nb]) induced a type 2 immune profile in the female genital tract (FGT). This leads to heightened epithelial ulceration and pathology in subsequent herpes simplex virus (HSV)-2 infection. This was IL-5-dependent but IL-4 receptor alpha (Il4ra) independent, associated with increased FGT eosinophils, raised vaginal IL-33, and enhanced epithelial necrosis. Vaginal eosinophil accumulation was promoted by IL-33 induction following targeted vaginal epithelium damage from a papain challenge. Inhibition of IL-33 protected against Nb-exacerbated HSV-2 pathology. Eosinophil depletion reduced IL-33 release and HSV-2 ulceration in Nb-infected mice. These findings demonstrate that Nb-initiated FGT eosinophil recruitment promotes an eosinophil, IL-33, and IL-5 inflammatory circuit that enhances vaginal epithelial necrosis and pathology following HSV-2 infection. These findings identify a mechanistic framework as to how helminth infections can exacerbate viral-induced vaginal pathology.
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Affiliation(s)
- Alisha Chetty
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town 7925, South Africa
| | - Matthew G Darby
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town 7925, South Africa
| | - Pia M Vornewald
- CEMIR - Centre of Molecular Inflammation Research, Department of Clinical and Molecular Medicine, NTNU - Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Mara Martín-Alonso
- CEMIR - Centre of Molecular Inflammation Research, Department of Clinical and Molecular Medicine, NTNU - Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Anna Filz
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), 53105 Bonn, Germany
| | - Manuel Ritter
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), 53105 Bonn, Germany
| | - Henry J McSorley
- Division of Cell Signaling and Immunology, School of Life Sciences, University of Dundee, Wellcome Trust Building, Dow St, Dundee DD1 5EH, UK
| | - Lindi Masson
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town 7925, South Africa; Centre for the AIDS Programme of Research in South Africa, Durban, South Africa; Life Sciences Discipline, Burnet Institute, Department of Infectious Diseases, Monash University, Melbourne, VIC 3004, Australia
| | - Katherine Smith
- Institute of Infection and Immunity, University of Cardiff, Cardiff CF14 3XN, UK
| | - Frank Brombacher
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town 7925, South Africa; International Centre for Genetic Engineering and Biotechnology, Cape Town 7925, South Africa
| | - Matthew K O'Shea
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Adam F Cunningham
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Bernhard Ryffel
- Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orléans, 45000 Orléans, France
| | - Menno J Oudhoff
- CEMIR - Centre of Molecular Inflammation Research, Department of Clinical and Molecular Medicine, NTNU - Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Benjamin G Dewals
- Fundamental and Applied Research in Animals and Health (FARAH), Immunology-Vaccinology, Faculty of Veterinary Medicine (B43b), University of Liège, Liège, Belgium
| | - Laura E Layland
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), 53105 Bonn, Germany; German Centre for Infection Research (DZIF), partner site, Bonn-Cologne, Bonn, Germany.
| | - William G C Horsnell
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Disease and Molecular Medicine (IDM), Department of Pathology, Division of Immunology, Faculty of Health Science, University of Cape Town, Cape Town 7925, South Africa; Laboratory of Experimental and Molecular Immunology and Neurogenetics (INEM), UMR 7355 CNRS-University of Orléans, 45000 Orléans, France; Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK.
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8
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A proposed new generation of evidence-based microsimulation models to inform global control of cervical cancer. Prev Med 2021; 144:106438. [PMID: 33678235 PMCID: PMC8041229 DOI: 10.1016/j.ypmed.2021.106438] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 01/15/2021] [Accepted: 01/16/2021] [Indexed: 01/30/2023]
Abstract
Health decision models are the only available tools designed to consider the lifetime natural history of human papillomavirus (HPV) infection and pathogenesis of cervical cancer, and the estimated long-term impact of preventive interventions. Yet health decision modeling results are often considered a lesser form of scientific evidence due to the inherent needs to rely on imperfect data and make numerous assumptions and extrapolations regarding complex processes. We propose a new health decision modeling framework that de-emphasizes cytologic-colposcopic-histologic diagnoses due to their subjectivity and lack of reproducibility, relying instead on HPV type and duration of infection as the major determinants of subsequent transition probabilities. We posit that the new model health states (normal, carcinogenic HPV infection, precancer, cancer) and corollary transitions are universal, but that the probabilities of transitioning between states may vary by population. Evidence for this variability in host response to HPV infections can be inferred from HPV prevalence patterns in different regions across the lifespan, and might be linked to different average population levels of immunologic control of HPV infections. By prioritizing direct estimation of model transition probabilities from longitudinal data (and limiting reliance on model-fitting techniques that may propagate error when applied to multiple transitions), we aim to reduce the number of assumptions for greater transparency and reliability. We propose this new microsimulation model for critique and discussion, hoping to contribute to models that maximally inform efficient strategies towards global cervical cancer elimination.
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9
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Chetty A, Omondi MA, Butters C, Smith KA, Katawa G, Ritter M, Layland L, Horsnell W. Impact of Helminth Infections on Female Reproductive Health and Associated Diseases. Front Immunol 2020; 11:577516. [PMID: 33329545 PMCID: PMC7719634 DOI: 10.3389/fimmu.2020.577516] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/27/2020] [Indexed: 12/25/2022] Open
Abstract
A growing body of knowledge exists on the influence of helminth infections on allergies and unrelated infections in the lung and gastrointestinal (GI) mucosa. However, the bystander effects of helminth infections on the female genital mucosa and reproductive health is understudied but important considering the high prevalence of helminth exposure and sexually transmitted infections in low- and middle-income countries (LMICs). In this review, we explore current knowledge about the direct and systemic effects of helminth infections on unrelated diseases. We summarize host disease-controlling immunity of important sexually transmitted infections and introduce the limited knowledge of how helminths infections directly cause pathology to female reproductive tract (FRT), alter susceptibility to sexually transmitted infections and reproduction. We also review work by others on type 2 immunity in the FRT and hypothesize how these insights may guide future work to help understand how helminths alter FRT health.
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Affiliation(s)
- Alisha Chetty
- Institute of Infectious Disease and Molecular Medicine and Division of Immunology, University of Cape Town, Cape Town, South Africa
| | - Millicent A Omondi
- Institute of Infectious Disease and Molecular Medicine and Division of Immunology, University of Cape Town, Cape Town, South Africa
| | - Claire Butters
- Institute of Infectious Disease and Molecular Medicine and Division of Immunology, University of Cape Town, Cape Town, South Africa
| | - Katherine Ann Smith
- Institute of Infectious Disease and Molecular Medicine and Division of Immunology, University of Cape Town, Cape Town, South Africa.,School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Gnatoulma Katawa
- Ecole Supérieure des Techniques Biologiques et Alimentaires, Université de Lomé, Lomé, Togo
| | - Manuel Ritter
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - Laura Layland
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn (UKB), Bonn, Germany
| | - William Horsnell
- Institute of Infectious Disease and Molecular Medicine and Division of Immunology, University of Cape Town, Cape Town, South Africa.,Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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10
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Tallman PS, Riley-Powell AR, Schwarz L, Salmón-Mulanovich G, Southgate T, Pace C, Valdés-Velásquez A, Hartinger SM, Paz-Soldán VA, Lee GO. Ecosyndemics: The potential synergistic health impacts of highways and dams in the Amazon. Soc Sci Med 2020; 295:113037. [PMID: 32475727 DOI: 10.1016/j.socscimed.2020.113037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 04/29/2020] [Accepted: 05/09/2020] [Indexed: 11/16/2022]
Abstract
Ecosyndemics refer to disease interactions that result from environmental changes commonly caused by humans. In this paper, we push scholarship on ecosyndemics into new territory by using the ecosyndemic framework to compare two case studies-the Southern Interoceanic highway in Peru and the Belo Monte hydroelectric dam in Brazil-to assess the likelihood of socio-environmental factors interacting and leading to ill health in a syndemic fashion. Assessing these two case studies using an ecosyndemic perspective, we find that the construction of dams and highways in tropical forests create the conditions for increases in vector-borne illnesses, surges in sex work and sexually-transmitted infections, and increased psychological stress resulting from violence, delinquency, and the erosion of social cohesion. We suggest that these processes could interact synergistically to increase an individual's immune burden and a population's overall morbidity. However, we find differences in the impacts of the Interoceanic highway and the Belo Monte dam on food, water, and cultural systems, and observed that community and corporate-level actions may bolster health in the face of rapid socio-ecological change. Looking at the case studies together, a complex picture of vulnerability and resilience, risk and opportunity, complicates straight-forward predictions of ecosyndemic interactions resulting from these development projects but highlights the role that the ecosyndemic concept can play in informing health impact assessments and future research. We conclude by proposing a conceptual model of the potential interactions between psychological stress, vector-borne illnesses, and sexaully-transmitted infections and suggest that future investigations of synergistic interactions among these factors draw from the biological, social, and ecological sciences.
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Affiliation(s)
- Paula Skye Tallman
- The Field Museum of Natural History, Keller Science Action Department, Chicago, IL, USA.
| | - Amy R Riley-Powell
- Tulane University, School of Public Health and Tropical Medicine. New Orleans, LA, USA; Institute of Development Studies, University of Sussex, Brighton, United Kingdom
| | - Lara Schwarz
- University of California San Diego, Family Medicine and Public Health Department, CA, USA; San Diego State University, School of Public Health, CA, USA
| | - Gabriela Salmón-Mulanovich
- Universidad Peruana Cayetano Heredia, School of Public Health and Administration, Lima, Peru; Pontificia Universidad Católica del Perú, Department of Biomedical Engineering, Lima, Peru
| | | | | | | | - Stella M Hartinger
- Universidad Peruana Cayetano Heredia, School of Public Health and Administration, Lima, Peru
| | - Valerie A Paz-Soldán
- Tulane University, School of Public Health and Tropical Medicine. New Orleans, LA, USA; Universidad Peruana Cayetano Heredia, School of Public Health and Administration, Lima, Peru
| | - Gwenyth O Lee
- University of Michigan, School of Public Health, Ann Arbor, MI, USA
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11
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Abdoli A, Ardakani HM. Helminth infections and immunosenescence: The friend of my enemy. Exp Gerontol 2020; 133:110852. [PMID: 32007545 DOI: 10.1016/j.exger.2020.110852] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 12/13/2019] [Accepted: 01/21/2020] [Indexed: 12/14/2022]
Abstract
Age-associated alterations of the immune system, which known as "immunosenescence", is characterized by a decline in innate and adaptive immunity, which leading to increased susceptibility to age-associated diseases, such as infectious diseases, rheumatic disease and malignancies. On the other hand, helminth infections are among the most prevalent infections in older individuals, especially in the nursing homes. Most of helminth infections have minor clinical symptoms and usually causing chronic infections without treatment. Nevertheless, chronic helminthiasis alters immune responses somewhat similar to the immunosenescence. Some similarities also exist between helminth infections and immunosenescence: 1) both of them led to declining the immune responses; 2) undernutrition is a consequence of immunosenescence and helminthiasis; 3) vaccine efficacy declines in aging and individuals with helminth infections; 4) increase incidence and prevalence of infectious diseases in the elder individuals and patients with helminth infections; and 5) both of them promote tumorigenesis. Hence, it is probable that helminth infections in the elderly population can intensify the immunosenescence outcomes due to the synergistic immunoregulatory effects of each of them. It would be suggested that, diagnosis, treatment and prevention of helminth infections should be more considered in older individuals. Also, it would be suggested that helminths or their antigens can be used for investigation of immunosenescence because both of them possess some similarities in immune alterations. Taken together, this review offers new insights into the immunology of aging and helminth infections.
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Affiliation(s)
- Amir Abdoli
- Department of Parasitology and Mycology, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran; Zoonoses Research Center, Jahrom University of Medical Sciences, Jahrom, Iran; Research Center for Noncommunicable Diseases, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran.
| | - Hoda Mirzaian Ardakani
- Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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12
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Hookworm exposure decreases human papillomavirus uptake and cervical cancer cell migration through systemic regulation of epithelial-mesenchymal transition marker expression. Sci Rep 2018; 8:11547. [PMID: 30069018 PMCID: PMC6070561 DOI: 10.1038/s41598-018-30058-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 07/12/2018] [Indexed: 12/12/2022] Open
Abstract
Persistent infection with human papillomavirus (HPV) is responsible for nearly all new cervical cancer cases worldwide. In low- and middle-income countries (LMIC), infection with helminths has been linked to increased HPV prevalence. As the incidence of cervical cancer rises in helminth endemic regions, it is critical to understand the interaction between exposure to helminths and the progression of cervical cancer. Here we make use of several cervical cancer cell lines to demonstrate that exposure to antigens from the hookworm N. brasiliensis significantly reduces cervical cancer cell migration and global expression of vimentin and N-cadherin. Importantly, N. brasiliensis antigen significantly reduced expression of cell-surface vimentin, while decreasing HPV type 16 (HPV16) pseudovirion internalization. In vivo infection with N. brasiliensis significantly reduced vimentin expression within the female genital tract, confirming the relevance of these in vitro findings. Together, these findings demonstrate that infection with the hookworm-like parasite N. brasiliensis can systemically alter genital tract mesenchymal markers in a way that may impair cervical cancer cell progression. These findings reveal a possible late-stage treatment for reducing cervical cancer progression using helminth antigens.
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13
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High Rate of Infection by Only Oncogenic Human Papillomavirus in Amerindians. mSphere 2018; 3:3/3/e00176-18. [PMID: 29720524 PMCID: PMC5932372 DOI: 10.1128/msphere.00176-18] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 04/12/2018] [Indexed: 01/01/2023] Open
Abstract
The role of HPV type distribution on the disparity of cervical cancer (CC) incidence between human populations remains unknown. The incidence of CC in the Amazonas State of Venezuela is higher than the national average. In this study, we determined the diversity of known HPV types (the viral agent of CC) in Amerindian and mestizo women living in the Venezuelan Amazonas State. Understanding the ecological diversity of HPV in populations undergoing lifestyle transformations has important implication on public health measures for cervical cancer prevention. Human papillomavirus (HPV), an etiological agent of cervical cancer (CC), has infected humans since ancient times. Amerindians are the furthest migrants out of Africa, and they reached the Americas more than 14,000 years ago. Some groups still remain isolated, and some migrate to towns, forming a gradient spanning urbanization. We hypothesized that, by virtue of their history, lifestyle, and isolation from the global society, remote Amerindian women have lower HPV diversity than do urban women (Amerindian or mestizo). Here we determined the diversity of the 25 most relevant cervical HPV types in 82 Amerindians spanning urbanization (low, medium, and high, consistent with the exposure to urban lifestyles of the town of Puerto Ayacucho in the Venezuelan Amazonas State), and in 29 urban mestizos from the town. Cervical, anal, oral, and introitus samples were taken, and HPVs were typed using reverse DNA hybridization. A total of 23 HPV types were detected, including 11 oncogenic or high-risk types, most associated with CC. Cervical HPV prevalence was 75%, with no differences by group, but Amerindians from low and medium urbanization level had significantly lower HPV diversity than mestizos did. In Amerindians, but not in mestizos, infections by only high-risk HPVs were higher than coinfections or by exclusively low-risk HPVs. Cervical abnormalities only were observed in Amerindians (9/82), consistent with their high HPV infection. The lower cervical HPV diversity in more isolated Amerindians is consistent with their lower exposure to the global pool, and transculturation to urban lifestyles could have implications on HPV ecology, infection, and virulence. IMPORTANCE The role of HPV type distribution on the disparity of cervical cancer (CC) incidence between human populations remains unknown. The incidence of CC in the Amazonas State of Venezuela is higher than the national average. In this study, we determined the diversity of known HPV types (the viral agent of CC) in Amerindian and mestizo women living in the Venezuelan Amazonas State. Understanding the ecological diversity of HPV in populations undergoing lifestyle transformations has important implication on public health measures for CC prevention.
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14
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Jourdan PM, Lamberton PHL, Fenwick A, Addiss DG. Soil-transmitted helminth infections. Lancet 2018; 391:252-265. [PMID: 28882382 DOI: 10.1016/s0140-6736(17)31930-x] [Citation(s) in RCA: 364] [Impact Index Per Article: 60.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/13/2017] [Accepted: 06/23/2017] [Indexed: 12/13/2022]
Abstract
More than a quarter of the world's population is at risk of infection with the soil-transmitted helminths Ascaris lumbricoides, hookworm (Ancylostoma duodenale and Necator americanus), Trichuris trichiura, and Strongyloides stercoralis. Infected children and adults present with a range of medical and surgical conditions, and clinicians should consider the possibility of infection in individuals living in, or returning from, endemic regions. Although safe and effective drugs are donated free to endemic countries, only half of at-risk children received treatment in 2016. This Seminar describes the epidemiology, lifecycles, pathophysiology, clinical diagnosis, management, and public health control of soil-transmitted helminths. Previous work has questioned the effect of population-level deworming; however, it remains beyond doubt that treatment reduces the severe consequences of soil-transmitted helminthiasis. We highlight the need for refined diagnostic tools and effective control options to scale up public health interventions and improve clinical detection and management of these infections.
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Affiliation(s)
- Peter Mark Jourdan
- Schistosomiasis Control Initiative, Imperial College London, St Mary's Campus, London, UK; DEWORM3, Natural History Museum, London, UK; Norwegian Centre for Imported and Tropical Diseases, Department of Infectious Diseases, Oslo University Hospital, Ullevål, Oslo, Norway
| | - Poppy H L Lamberton
- Department of Infectious Disease Epidemiology, Imperial College London, St Mary's Campus, London, UK; Institute of Biodiversity, Animal Health and Comparative Medicine, The University of Glasgow, Glasgow, UK; Wellcome Centre for Molecular Parasitology, The University of Glasgow, Glasgow, UK.
| | - Alan Fenwick
- Schistosomiasis Control Initiative, Imperial College London, St Mary's Campus, London, UK
| | - David G Addiss
- The Task Force for Global Health, Decatur, GA, USA; Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN, USA
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15
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Fakhry C, Qeadan F, Gilman RH, Yori P, Kosek M, Patterson N, Eisele DW, Gourin CG, Chitguppi C, Marks M, Gravitt P. Oral sampling methods are associated with differences in immune marker concentrations. Laryngoscope 2017; 128:E214-E221. [PMID: 29171655 DOI: 10.1002/lary.27002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 10/13/2017] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To determine whether the concentration and distribution of immune markers in paired oral samples were similar. STUDY TYPE Clinical research. STUDY DESIGN Cross-sectional study. METHODS Paired saliva and oral secretions (OS) samples were collected. The concentration of immune markers was estimated using Luminex multiplex assay (Thermo Fisher Scientific, Waltham, MA). For each sample, the concentration of respective immune markers was normalized to total protein present and log-transformed. Median concentrations of immune markers were compared between both types of samples. Intermarker correlation in each sampling method and across sampling methods was evaluated. RESULTS There were 90 study participants. Concentrations of immune markers in saliva samples were significantly different from concentrations in OS samples. Oral secretions samples showed higher concentrations of immunoregulatory markers, whereas the saliva samples contained proinflammatory markers in higher concentration. CONCLUSION The immune marker profile in saliva samples is distinct from the immune marker profile in paired OS samples. LEVEL OF EVIDENCE 2b. Laryngoscope, 128:E214-E221, 2018.
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Affiliation(s)
- Carole Fakhry
- Department of Otolaryngology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Fares Qeadan
- University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Robert H Gilman
- Bloomberg School of Public Health, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Pablo Yori
- Bloomberg School of Public Health, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Margaret Kosek
- Bloomberg School of Public Health, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - David W Eisele
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Christine G Gourin
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - Morgan Marks
- Johns Hopkins Hospital and Health System, Baltimore, Maryland
| | - Patti Gravitt
- Milken Institute of Public Health, George Washington University, Washington, District of Columbia, U.S.A
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16
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Rampelli S, Turroni S, Schnorr SL, Soverini M, Quercia S, Barone M, Castagnetti A, Biagi E, Gallinella G, Brigidi P, Candela M. Characterization of the human DNA gut virome across populations with different subsistence strategies and geographical origin. Environ Microbiol 2017; 19:4728-4735. [DOI: 10.1111/1462-2920.13938] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/17/2017] [Accepted: 09/19/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Simone Rampelli
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Stephanie L. Schnorr
- Department of Anthropology, Laboratories of Molecular Anthropology and Microbiome Research; University of Oklahoma; Norman OK USA
| | - Matteo Soverini
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Sara Quercia
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Monica Barone
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Andrea Castagnetti
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Elena Biagi
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Giorgio Gallinella
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Patrizia Brigidi
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
| | - Marco Candela
- Department of Pharmacy and Biotechnology; University of Bologna; Bologna Italy
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17
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Godkin A, Smith KA. Chronic infections with viruses or parasites: breaking bad to make good. Immunology 2017; 150:389-396. [PMID: 28009488 PMCID: PMC5343343 DOI: 10.1111/imm.12703] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 12/02/2016] [Accepted: 12/16/2016] [Indexed: 12/19/2022] Open
Abstract
Eukaryotic forms of life have been continually invaded by microbes and larger multicellular parasites, such as helminths. Over a billion years ago bacterial endosymbionts permanently colonized eukaryotic cells leading to recognized organelles with a distinct genetic lineage, such as mitochondria and chloroplasts. Colonization of our skin and mucosal surfaces with bacterial commensals is now known to be important for host health. However, the contribution of chronic virus and parasitic infections to immune homeostasis is being increasingly questioned. Persistent infection does not necessarily equate to exhibiting a chronic illness: healthy hosts (e.g. humans) have chronic viral and parasitic infections with no evidence of disease. Indeed, there are now examples of complex interactions between these microbes and hosts that seem to confer an advantage to the host at a particular time, suggesting that the relationship has progressed along an axis from parasitic to commensal to one of a mutualistic symbiosis. This concept is explored using examples from viruses and parasites, considering how the relationships may be not only detrimental but also beneficial to the human host.
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Affiliation(s)
- Andrew Godkin
- Division of Infection and Immunity, Cardiff University, Cardiff, Glamorgan, UK
| | - Katherine A Smith
- Division of Infection and Immunity, Cardiff University, Cardiff, Glamorgan, UK
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18
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Dietze KK, Dittmer U, Koudaimi DK, Schimmer S, Reitz M, Breloer M, Hartmann W. Filariae-Retrovirus Co-infection in Mice is Associated with Suppressed Virus-Specific IgG Immune Response and Higher Viral Loads. PLoS Negl Trop Dis 2016; 10:e0005170. [PMID: 27923052 PMCID: PMC5140070 DOI: 10.1371/journal.pntd.0005170] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 11/07/2016] [Indexed: 12/22/2022] Open
Abstract
Worldwide more than 2 billion people are infected with helminths, predominantly in developing countries. Co-infections with viruses such as human immunodeficiency virus (HIV) are common due to the geographical overlap of these pathogens. Helminth and viral infections induce antagonistic cytokine responses in their hosts. Helminths shift the immune system to a type 2-dominated immune response, while viral infections skew the cytokine response towards a type 1 immune response. Moreover, chronic helminth infections are often associated with a generalized suppression of the immune system leading to prolonged parasite survival, and also to a reduced defence against unrelated pathogens. To test whether helminths affect the outcome of a viral infection we set up a filarial/retrovirus co-infection model in C57BL/6 mice. Although Friend virus (FV) infection altered the L. sigmodontis-specific immunoglobulin response towards a type I associated IgG2 isotype in co-infected mice, control of L. sigmodontis infection was not affected by a FV-superinfection. However, reciprocal control of FV infection was clearly impaired by concurrent L. sigmodontis infection. Spleen weight as an indicator of pathology and viral loads in spleen, lymph nodes (LN) and bone marrow (BM) were increased in L. sigmodontis/FV-co-infected mice compared to only FV-infected mice. Numbers of FV-specific CD8+ T cells as well as cytokine production by CD4+ and CD8+ cells were alike in co-infected and FV-infected mice. Increased viral loads in co-infected mice were associated with reduced titres of neutralising FV-specific IgG2b and IgG2c antibodies. In summary our findings suggest that helminth infection interfered with the control of retroviral infection by dampening the virus-specific neutralising antibody response. The coincidental infection of a host with two different pathogens is widespread in low-income countries. Regions where helminth infections are endemic strongly overlap with areas where the incidence of viral infections such as HIV is high. HIV is a major public health issue causing more than 1 million deaths per year. To analyse the impact of a pre-existing helminth infection on a viral infection we established a helminth/retrovirus co-infection mouse model. Mice that were first infected with Litomosoides sigmodontis and subsequently with a murine retrovirus showed a more severe course of virus infection, i.e. exaggerated splenomegaly and higher viral loads. Since different lymphocytes such as B and T cells contribute to viral control we analysed the cellular and humoral immune response. While T cell responses were similar in co-infected and virus-infected mice, we observed reduced titres of virus-specific antibodies in co-infected mice. Our results suggest that helminth infection interfered with viral control by dampening the virus-specific antibody response. The viral infection itself altered the humoral immune response against L. sigmodontis without changing the worm burden. In summary, our data highlight the importance of deworming programs or vaccines against helminths in developing countries where the incidence of helminth/HIV co-infections is high.
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Affiliation(s)
- Kirsten Katrin Dietze
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ulf Dittmer
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Daniel Karim Koudaimi
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Simone Schimmer
- Institute of Virology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Martina Reitz
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Minka Breloer
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Wiebke Hartmann
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
- * E-mail:
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19
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Schiffman M, Doorbar J, Wentzensen N, de Sanjosé S, Fakhry C, Monk BJ, Stanley MA, Franceschi S. Carcinogenic human papillomavirus infection. Nat Rev Dis Primers 2016; 2:16086. [PMID: 27905473 DOI: 10.1038/nrdp.2016.86] [Citation(s) in RCA: 521] [Impact Index Per Article: 65.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Infections with human papillomavirus (HPV) are common and transmitted by direct contact. Although the great majority of infections resolve within 2 years, 13 phylogenetically related, sexually transmitted HPV genotypes, notably HPV16, cause - if not controlled immunologically or by screening - virtually all cervical cancers worldwide, a large fraction of other anogenital cancers and an increasing proportion of oropharyngeal cancers. The carcinogenicity of these HPV types results primarily from the activity of the oncoproteins E6 and E7, which impair growth regulatory pathways. Persistent high-risk HPVs can transition from a productive (virion-producing) to an abortive or transforming infection, after which cancer can result after typically slow accumulation of host genetic mutations. However, which precancerous lesions progress and which do not is unclear; the majority of screening-detected precancers are treated, leading to overtreatment. The discovery of HPV as a carcinogen led to the development of effective preventive vaccines and sensitive HPV DNA and RNA tests. Together, vaccination programmes (the ultimate long-term preventive strategy) and screening using HPV tests could dramatically alter the landscape of HPV-related cancers. HPV testing will probably replace cytology-based cervical screening owing to greater reassurance when the test is negative. However, the effective implementation of HPV vaccination and screening globally remains a challenge.
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Affiliation(s)
- Mark Schiffman
- National Cancer Institute, Division of Cancer Epidemiology and Genetics, Room 6E544, 9609 Medical Center Drive, Rockville, Maryland 20850, USA
| | - John Doorbar
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Nicolas Wentzensen
- National Cancer Institute, Division of Cancer Epidemiology and Genetics, Room 6E544, 9609 Medical Center Drive, Rockville, Maryland 20850, USA
| | - Silvia de Sanjosé
- Catalan Institute of Oncology, IDIBELL, Cancer Epidemiology Research Programme and CIBER Epidemiologia Y Salud Publica, Barcelona, Spain
| | - Carole Fakhry
- Department of Otolaryngology, Johns Hopkins Medicine, Baltimore, Maryland, USA
| | - Bradley J Monk
- Division of Gynecologic Oncology, US Oncology Network, University of Arizona-Phoenix, Phoenix, Arizona, USA
| | | | - Silvia Franceschi
- International Agency for Research on Cancer, Infections and Cancer Epidemiology Group, Lyon, France
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Passmore JAS, Williamson AL. Host Immune Responses Associated with Clearance or Persistence of Human Papillomavirus Infections. CURRENT OBSTETRICS AND GYNECOLOGY REPORTS 2016. [DOI: 10.1007/s13669-016-0163-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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