Advances in the Study of Blastocystis spp. in Mexico: Prevalence, Genetic Diversity, Clinical Association and Their Possible Role in the Human Intestine

Morán-Silva, P.; Nieves-Ramı́rez, Miriam; Rojas-Velázquez, Liliana; Serrano-Vázquez, Angélica; González-Rivas, Enrique; Hernandez-Hernandez, Eric G.; Pérez-Juárez, Horacio; Partida-Rodríguez, Oswaldo; Arieta, M. C.; Magaña, Ulises; Santı́n, Mónica; Finlay, B. Brett; Ximénez-García, C.

doi:10.1007/978-3-030-44826-4_6

Cited by 1 publication

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“…In a study with asymptomatic adult subjects with Blastocystis subtype 3 (ST3) colonizing the majority of a rural population in Xoxocotla, Mexico, a lower concentration of total IgA in faeces was associated with the presence of this protozoa 83 . Furthermore, levels of SIgA in aspirates from the duodenojejunal junction of patients with chronic symptomatic giardiasis were significantly lower than those observed in healthy control subjects under identical conditions 84 .…”

Section: Discussionmentioning

confidence: 97%

Intestinal polyparasitism and levels of mucosal anthelmintic SIgA in children from endemic areas in Northeastern Brazil

Oliveira

et al. 2021

Parasite Immunology

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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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Section: Discussionmentioning

confidence: 97%

Intestinal polyparasitism and levels of mucosal anthelmintic SIgA in children from endemic areas in Northeastern Brazil

Oliveira

et al. 2021

Parasite Immunology

View full text Add to dashboard Cite

show abstract

Advances in the Study of Blastocystis spp. in Mexico: Prevalence, Genetic Diversity, Clinical Association and Their Possible Role in the Human Intestine

Cited by 1 publication

References 50 publications

Intestinal polyparasitism and levels of mucosal anthelmintic SIgA in children from endemic areas in Northeastern Brazil

Intestinal polyparasitism and levels of mucosal anthelmintic SIgA in children from endemic areas in Northeastern Brazil

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