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Hübner L, Mardin CY, Held J, Tappe D, Hammer CM, Bergua A. [Treatment-resistant nodular scleritis]. DIE OPHTHALMOLOGIE 2023; 120:72-75. [PMID: 35258688 DOI: 10.1007/s00347-022-01597-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/25/2022] [Accepted: 02/03/2022] [Indexed: 01/25/2023]
Affiliation(s)
- L Hübner
- Universitätsaugenklinik Erlangen, FAU Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Deutschland.
| | - C Y Mardin
- Universitätsaugenklinik Erlangen, FAU Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Deutschland
| | - J Held
- Mikrobiologisches Institut, Klinische Mikrobiologie, Immunologie und Hygiene, Universitätsklinikum Erlangen und Friedrich-Alexander-Universität (FAU), Erlangen-Nürnberg, Erlangen, Deutschland
| | - D Tappe
- Bernhard-Nocht-Institut für Tropenmedizin, Hamburg, Deutschland
| | - C M Hammer
- Institut für Funktionelle und Klinische Anatomie, FAU Erlangen-Nürnberg, Erlangen, Deutschland
| | - A Bergua
- Universitätsaugenklinik Erlangen, FAU Erlangen-Nürnberg, Schwabachanlage 6, 91054, Erlangen, Deutschland
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Yalley AK, Ahiatrogah S, Kafintu-Kwashie AA, Amegatcher G, Prah D, Botwe AK, Adusei-Poku MA, Obodai E, Nii-Trebi NI. A Systematic Review on Suitability of Molecular Techniques for Diagnosis and Research into Infectious Diseases of Concern in Resource-Limited Settings. Curr Issues Mol Biol 2022; 44:4367-4385. [PMID: 36286015 PMCID: PMC9601131 DOI: 10.3390/cimb44100300] [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: 08/23/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Infectious diseases significantly impact the health status of developing countries. Historically, infectious diseases of the tropics especially have received insufficient attention in worldwide public health initiatives, resulting in poor preventive and treatment options. Many molecular tests for human infections have been established since the 1980s, when polymerase chain reaction (PCR) testing was introduced. In spite of the substantial innovative advancements in PCR technology, which currently has found wide application in most viral pathogens of global concern, the development and application of molecular diagnostics, particularly in resource-limited settings, poses potential constraints. This review accessed data from sources including PubMed, Google Scholar, the Web of Knowledge, as well as reports from the World Health Organization’s Annual Meeting on infectious diseases and examined these for current molecular approaches used to identify, monitor, or investigate some neglected tropical infectious diseases. This review noted some growth efforts in the development of molecular techniques for diagnosis of pathogens that appear to be common in resource limited settings and identified gaps in the availability and applicability of most of these molecular diagnostics, which need to be addressed if the One Health goal is to be achieved.
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Affiliation(s)
- Akua K. Yalley
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Accra P.O. Box KB 143, Ghana
| | - Selasie Ahiatrogah
- Department of Obstetrics and Gynaecology, College of Medicine, Pan African University of Life and Earth Sciences Institute, University of Ibadan, Ibadan P.O. Box 22133, Nigeria
| | - Anna A. Kafintu-Kwashie
- Department of Medical Microbiology, University of Ghana Medical School, Accra GA-221-1570, Ghana
| | - Gloria Amegatcher
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Accra P.O. Box KB 143, Ghana
| | - Diana Prah
- West African Centre for Cell Biology of Infectious Pathogens, University of Ghana, Accra P.O. Box LG 54, Ghana
| | - Akua K. Botwe
- Molecular Biology Unit, Kintampo Health Research Centre, Ghana Health Service, Kintampo P.O. Box 200, Ghana
| | - Mildred A. Adusei-Poku
- Department of Medical Microbiology, University of Ghana Medical School, Accra GA-221-1570, Ghana
| | - Evangeline Obodai
- Department of Virology, Noguchi Memorial Institute for Medical Research, University of Ghana, Accra P.O. Box LG 581, Ghana
| | - Nicholas I. Nii-Trebi
- Department of Medical Laboratory Sciences, School of Biomedical and Allied Health Sciences, University of Ghana, Accra P.O. Box KB 143, Ghana
- Correspondence: ; Tel.: +233-54-827-6424
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Asghari A, Adhami G, Shariatzadeh SA, Kordi B, Anvari D, Shams M, Majidiani H, Darvishi MM. Confirmed cases of human Onchocerca lupi infection: a systematic review of an emerging threat. Parasitol Res 2021; 120:3633-3644. [PMID: 34519871 DOI: 10.1007/s00436-021-07309-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/31/2021] [Indexed: 11/30/2022]
Abstract
Diverse Onchocerca species are present mostly parasitizing ungulates, with the exception of Onchocerca volvulus (O. volvulus) in humans and O. lupi in canids and cats. The human cases due to the O. lupi have been more highlighted during last years. So, the present review was performed to determine the detailed characteristics of confirmed human O. lupi case reports documented worldwide. Hence, a systematic search was done using English international databases (Scopus, PubMed, Web of Science, Embase, ProQuest, and Google Scholar). Totally, 14 confirmed human cases were documented during the last decade, mostly from the USA and Turkey with 7 and 3 cases, respectively. Most cases (7 individuals) were male with the age range of 22-month-old to 54-year-old. The parasite was frequently isolated from the right eye (5 cases), followed by the left eye (4 cases), cervical spinal canal (3 cases), scalp, and right forearm (one case each). Molecular identification of the isolated agent was the preferred way of diagnosis in most cases (9 records). In conclusion, human O. lupi cases have been more highlighted in recent years, whether due to the improved diagnostics and/or host-switching phenomenon, and both veterinarians and healthcare authorities should be alerted.
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Affiliation(s)
- Ali Asghari
- Department of Medical Parasitology and Mycology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ghazaaleh Adhami
- Department of Veterinary Pathobiology, Faculty of Veterinary Medicine, Islamic Azad University of Sanandaj, Sanandaj, Iran
| | - Seyyed Ali Shariatzadeh
- Department of Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Toxoplasmosis Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Bahareh Kordi
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Davood Anvari
- Department of Parasitology, Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran.,School of Medicine, Iranshahr University of Medical Sciences, Iranshahr, Iran
| | - Morteza Shams
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran. .,Student Research Committee, Ilam University of Medical Sciences, Ilam, Iran.
| | - Hamidreza Majidiani
- Zoonotic Diseases Research Center, Ilam University of Medical Sciences, Ilam, Iran.
| | - Mohammad Mahdi Darvishi
- Pathobiology Department, Shahmirzad School of Veterinary Medicine, Semnan University, Semnan, Iran
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Rojas A, Morales-Calvo F, Salant H, Otranto D, Baneth G. Zoonotic Ocular Onchocercosis by Onchocerca lupi. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2021; 94:331-341. [PMID: 34211352 PMCID: PMC8223538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
The parasitic filarioid Onchocerca lupi causes ocular disease characterized by conjunctivitis and nodular lesions. This nematode was first described in 1967 in a wolf from Georgia, and since then cases of infection from dogs and cats with ocular onchocercosis and sporadically from humans also with subcutaneous and cervical lesions caused by O. lupi have been reported from the Middle East, Europe, and North America. Due to its zoonotic potential, this parasitic infection has gained attention in the past 20 years. Phylogenetic studies have highlighted the recent divergence of O. lupi from other Onchocerca spp. and the importance of domestication in the evolutionary history of this worm. Moreover, the finding of an O. lupi genotype associated with subclinical and mild infection in the Iberian Peninsula, raises important questions about the pathogenicity of this presently enigmatic parasite.
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Affiliation(s)
- Alicia Rojas
- Laboratory of Helminthology, Centro de Investigación en
Enfermedades Tropicales, Universidad de Costa Rica, San José, Costa Rica,To whom all correspondence should be addressed:
Alicia Rojas, Laboratorio de Helmintología, Facultad de Microbiología,
Universidad de Costa Rica, Sede Rodrigo Facio, Montes de Oca, San José Costa
Rica, 11501-2060; Tel: +(506)2511-8645;
; ORCID iD: https://orcid.org/0000-0003-2007-7198
| | - Fernando Morales-Calvo
- Laboratory of Helminthology, Centro de Investigación en
Enfermedades Tropicales, Universidad de Costa Rica, San José, Costa Rica
| | - Harold Salant
- Koret School of Veterinary Medicine, The Hebrew
University of Jerusalem, Rehovot, Israel
| | - Domenico Otranto
- Parasitology Unit, Department of Veterinary Medicine,
University of Bari, Valenzano, Italy,Faculty of Veterinary Sciences, Bu-Ali Sina University,
Hamedan, Iran
| | - Gad Baneth
- Koret School of Veterinary Medicine, The Hebrew
University of Jerusalem, Rehovot, Israel
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Molecular Approach for the Diagnosis of Blood and Skin Canine Filarioids. Microorganisms 2020; 8:microorganisms8111671. [PMID: 33126584 PMCID: PMC7713008 DOI: 10.3390/microorganisms8111671] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 10/21/2020] [Accepted: 10/21/2020] [Indexed: 02/06/2023] Open
Abstract
The zoonotic Onchocerca lupi and tick-transmitted filarioids of the genus Cercopithifilaria remain less well known due to the difficulties in accessing to skin samples as target tissues. Here, we proposed a molecular approach reliying on multiplex qPCR assays that allow the rapid identification of filarioids from canine blood, skin, and tick samples. This includes two newly developed duplex qPCR tests, the first one targeting filarial and C. grassii DNA (CanFil-C. grassii). and the second qPCR assay designed for the detection of Cercopithifilaria bainae and Cercopithifilaria sp. II DNAs (C. bainae-C.spII). The third one is a triplex TaqMan cox 1 assay targeting DNA of blood microfilariae (e.g., Dirofilaria immitis, Dirofilaria repens and Acanthocheilonema reconditum). The novel duplex qPCRs developed were validated in silico and by screening of known DNA collection. The qPCR assays were also used for screening the blood and tick samples of 72 dogs from Algeria. This allowed the identification of canine filariasis infection with 100% of specificity and 89.47% and 100% of sensitivity from naturally infected blood and tick samples, respectively. The prevalences of 26.39% for D. immitis and 5.56% for both D. repens and A. reconditum were reported in blood and tick samples. Cercopithifilaria DNAs were detected only in tick samples, with a prevalence of 4.17% and 5.56% for C. bainae and Cercopithifilaria sp. II, respectively. Co-infections were diagnosed in 6.94% and 13.89% of blood and tick samples, respectively. Whereas all samples were negative for C. grassii DNA. The use of engorged ticks instead of blood and skin samples could be an easier option for the surveillance of all canine filarioids herein investigated. The multiplex qPCR assays herein validated were shown to be useful in the detection of filarial co-infections by overcoming sequencing of positive samples.
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