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ABD MAJID NOORALMAJIDAH, ISHAK MUHAMMADIQBAL, MURUGAPIRAN JAGATHISWEEVANNIAR, ABDUL AZIZ NORAZLINA, BASRIPUZI NURUL HAYYAN. MULTIPLE ANTHELMINTIC RESISTANCE AMONG DORPER SHEEP DETECTED WITH PHENOTYPIC MARKERS AGAINST PARASITIC GASTROENTERITIS. MALAYSIAN APPLIED BIOLOGY 2022; 51:107-115. [DOI: 10.55230/mabjournal.v51i3.2260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Parasitic gastroenteritis (PGE) is a significant disease that affects small ruminant production. PGE is controlled exclusively by chemical anthelmintics but restricted by anthelmintic resistance. Hence, dependence on anthelmintics needs to be reduced. This study aimed to investigate the anthelmintic resistance status of a Dorper sheep farm while determining the phenotypic markers of resistance to PGE. Sheep that met the criteria of the Faecal Egg Count Reduction Test (FECRT) were divided into a control and four treatment groups of 11 to 13 animals per group. Faecal and blood samples at pre- and post-treatments were subjected to faecal egg counts (FEC), faecal culture, packed cell volume (PCV) and peripheral eosinophil counts (PEC). The data were analysed by Spearman rank correlation and two-way ANOVA. FECRT showed resistance towards albendazole, levamisole, fenbendazole and ivermectin which was predominated by Haemonchus contortus. Significant negative correlations were observed between FEC and PCV in control (r=-0.88, p<0.01), fenbendazole (r=-0.58, p<0.01) and ivermectin (r=-0.69, p<0.01) groups. Significant positive correlations were detected between FEC and PEC in control (r=0.95, p<0.01) and levamisole (r=0.56, p<0.01) groups. This study shows multiple anthelmintic resistance with promising resistant characteristics against PGE among sheep.
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Ramos ACS, Oliveira LM, Santos YLDCO, Dantas MCS, Walker CIB, Faria AMC, Bueno LL, Dolabella SS, Fujiwara RT. The role of IgA in gastrointestinal helminthiasis: A systematic review. Immunol Lett 2022; 249:12-22. [PMID: 36002066 DOI: 10.1016/j.imlet.2022.08.003] [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: 01/31/2022] [Revised: 06/02/2022] [Accepted: 08/19/2022] [Indexed: 11/29/2022]
Abstract
Immunoglobulin-A (IgA) is an important mediator of immunity and has been associated with protection against several pathogens, although its role in gastrointestinal infections remains unclear. Then, the aim of this systematic review was to synthesize qualitative evidence in respect of IgA as mediator of protective immunity against gastrointestinal helminths. Following recommended guidelines, we searched for articles published between January 1990 and October 2019 that evaluated IgA levels and their association with gastrointestinal helminth infections. Twenty-five articles were included after screening 1,546 titles and abstracts, as well as reading in full 52 selected articles. Consistent associations between higher IgA levels and lower parasitological parameters were only found in mice, rats, and sheep. However, the role of IgA in other host species remains uncertain, making it difficult to create a consensus. Therefore, it is too soon to claim that IgA is an effective protective factor against gastrointestinal helminths, and further studies are still needed.
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Affiliation(s)
- Anne C S Ramos
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil
| | - Luciana M Oliveira
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil; Departamento de Morfologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil
| | - Yvanna L D C O Santos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil
| | - Marlon C S Dantas
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil
| | - Cristiani I B Walker
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil
| | - Ana M C Faria
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, MG, Brasil
| | - Lílian L Bueno
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, MG, Brasil
| | - Silvio S Dolabella
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil; Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil.
| | - Ricardo T Fujiwara
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal de Sergipe, São Cristóvão 49100-000, SE, Brasil; Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, MG, Brasil.
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Oliveira LM, Oliveira YLDC, Oliveira YLM, Ramos ACS, Andrade GF, Sá VL, Geraldi RM, Pinheiro CS, Bueno LL, Fujiwara RT, Dolabella SS. Intestinal polyparasitism and levels of mucosal anthelmintic SIgA in children from endemic areas in Northeastern Brazil. Parasite Immunol 2021; 44:e12899. [PMID: 34861047 DOI: 10.1111/pim.12899] [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: 09/01/2021] [Revised: 11/20/2021] [Accepted: 11/29/2021] [Indexed: 11/29/2022]
Abstract
Interactions between parasites during co-infections are often complex and can impact immunization and treatment programmes, as well as disease outcomes and morbidity. However, little is known about these interactions and the mechanisms involved. In this study, a coproparasitological survey was carried out in school-age children living in endemic areas of parasitic infection in the state of Sergipe, Northeastern Brazil. Anti-helminth-specific and total secretory immunoglobulin-A (SIgA) levels were measured in stool and saliva samples and were compared in children presenting monoparasitism, polyparasitism (helminths and/or intestinal protozoa) and no infections. The survey showed that protozoa were more prevalent than helminths, and that there was a high frequency of polyparasitism in the studied population, mainly from combinations of protozoan species. Although less frequent, combinations between species of protozoa and helminths were also observed. The levels of salivary SIgA in these co-infected individuals were lower than the average observed in infections with helminths alone. Although the children participating in this survey were asymptomatic, and it was, therefore, not possible to evaluate the impact of salivary SIgA reduction on the diseases, and the study highlights the need for further investigations of co-infections by intestinal parasites and the effects on immune response induced by the interactions between different parasites.
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Affiliation(s)
- Luciana M Oliveira
- Postgraduate Program in Parasite Biology, Universidade Federal de Sergipe, São Cristóvão, Brazil.,Department of Morphology, Universidade Federal de Sergipe, São Cristovão, Brazil
| | - Yvanna L D C Oliveira
- Postgraduate Program in Pharmaceutical Sciences, Universidade Federal de Sergipe, São Cristóvão, Brazil
| | - Yrna L M Oliveira
- Postgraduate Program in Parasite Biology, Universidade Federal de Sergipe, São Cristóvão, Brazil
| | - Anne Caroline S Ramos
- Postgraduate Program in Parasite Biology, Universidade Federal de Sergipe, São Cristóvão, Brazil
| | - Gabriela F Andrade
- Department of Morphology, Universidade Federal de Sergipe, São Cristovão, Brazil
| | - Vitor L Sá
- Department of Morphology, Universidade Federal de Sergipe, São Cristovão, Brazil
| | - Ricardo M Geraldi
- Department of Morphology, Universidade Federal de Sergipe, São Cristovão, Brazil
| | - Carina S Pinheiro
- Department of Biointeraction, Institute of Health Sciences, Universidade Federal da Bahia, Salvador, Brazil
| | - Lilian L Bueno
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ricardo T Fujiwara
- Postgraduate Program in Parasite Biology, Universidade Federal de Sergipe, São Cristóvão, Brazil.,Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Silvio S Dolabella
- Postgraduate Program in Parasite Biology, Universidade Federal de Sergipe, São Cristóvão, Brazil.,Department of Morphology, Universidade Federal de Sergipe, São Cristovão, Brazil
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