Results: 16

Asociación entre hipoplasia del timo y disminución de inmunoglobulina A

El sistema inmune madura gradualmente durante la infancia y el nacimiento es un momento crucial para este proceso. El paso por el canal del parto es el primer estímulo que el sistema inmunitario percibe para comenzar así su maduración progresiva. El timo como órgano linfoide primario, es el primero e...

Β-Glucan of candida albicans cell wall extract inhibits salmonella typhimurium colonization by potentiating cellular immunity (cd8 + and cd4 + t cells)

Abstract INTRODUCTION: Antimicrobial resistance has been reported in the drugs used for the treatment of typhoid fever. The immunomodulatory substance β-glucan can be used as an alternative therapy as it potentiates host immunity. The aims of this study are to observe the effect of Candida albicans...

Placental and colostral transfer of antibodies reactive with enteropathogenic Escherichia coli intimins α, β, or γ

J. pediatr. (Rio J.); 93 (6), 2017
Abstract Objective: Intimins are protein adhesins of enteropathogenic Escherichia coli and enterohemorrhagic E. coli capable of inducing attachment and effacement lesions in enterocytes. Anti-intimin antibodies are important for the protection from enteropathogenic E. coli and enterohemorrhagic E. coli ...

Analysis of colostrum IgA against bacteria involved in neonatal infections

Einstein (Säo Paulo); 15 (3), 2017
ABSTRACT Objective To describe e compare the specificity of IgA antibodies against bacteria extract of Klebsiella pneumoniae , Staphylococcus aureus , Escherichia coli , and Salmonella enteritidis . Methods Colostrum samples were aseptically collected in the first 12 hours after C-section delivery. The...

Effect of fluoride on salivary immunoglobulins and sialic acid

Summary Objective: The aim of our study was to evaluate the effect of fluoride on salivary immunoglobulin and sialic acid levels in children with dental fluorosis and healthy teeth who live in places with high fluoride concentration in drinking water. Method: Fifty-one (51) healthy children between 6 a...

Cinética de la inmunoglobulina-A salival (IgAs) en adultos jóvenes con capacidad aeróbica promedio o excelente antes y después de una prueba de esfuerzo máximo

Rev. chil. infectol; 34 (1), 2017
Background: Aim: To compare the concentration of secretory immunoglobulin-A (sIgA) in young adults with average or excellent aerobic capacity before and after a cardiopulmonary graded exercise test. Methods: Participants were nine apparently healthy physically active males (Mean age = 21.3 ± 2.1 yr.), r...

Comparisons of IgA response in saliva and colostrum against oral streptococci species

Abstract The present study compared IgA specificity against oral streptococci in colostrum and saliva samples. Sixty-two mother-and-child pairs were included; samples of colostrum (C) and saliva (MS) were collected from the mothers and saliva samples were collected from babies (BS). The specificity of Ig...

Rol de la microbiota gastrointestinal en la regulación de la respuesta inmune

Rev. méd. Chile; 144 (7), 2016
The gastrointestinal tract hosts around 10(14) bacterial microorganisms, in a constantly growing density from the stomach to the distal colon. This microbiota is composed by more than 500 species of bacteria, which are quickly acquired after birth, fairly stable during the host’s life, and essential for...

Síndrome de Sjõgren primária: manifestações exócrinas e não exócrinas
Primary Sjõgren's syndrome: exocrine and non-exocrine manifestations

Rev. bras. reumatol; 44 (2), 2004
Objetivo: caracterizar as manifestações clínicas, exócrinas e não exócrinas, de 74 pacientes com síndrome de Sjõgren primária (SSp). Métodos: estudo retrospectivo dos pacientes com SSp de acordo com os novos critérios americano-europeus de 2002, seguidos no serviço de reumatologia e doenças ...

Imunoglobulinas salivares e sua relaçäo com cárie e imunossupressäo em crianças infectadas pelo HIV

O objetivo do presente estudo foi determinar a prevalência de cárie em crianças infectadas pelo HIV (HIV+) comparando com um grupo controle de crianças sem sinais de imunodeficiência e observar suas correlaçöes com níveis salivares s Streptococcus mutans, Streptococcus sobrinus e Lactobacillus ac...