Results: 3204

Usefulness of aqueous and vitreous humor analysis in infectious uveitis

Clinics; 75 (), 2020
OBJECTIVE: To evaluate the role of intraocular fluid analysis as a diagnostic aid for uveitis. METHODS: Twenty-eight samples (27 patients including 3 HIV-infected patients) with active (n=24) or non-active (n=4) uveitis were submitted to aqueous (AH; n=12) or vitreous humor (VH) analysis (n=16). All sam...

Type 2 diabetes mellitus-related environmental factors and the gut microbiota: emerging evidence and challenges

Clinics; 75 (), 2020
The gut microbiota is a group of over 38 trillion bacterial cells in the human microbiota that plays an important role in the regulation of human metabolism through its symbiotic relationship with the host. Changes in the gut microbial ecosystem are associated with increased susceptibility to metabolic d...

Pam2CSK4 (TLR2 agonist) induces periodontal destruction in mice

Abstract Lipoproteins are important bacterial immunostimulating molecules capable of inducing receptor activator of nuclear factor-κB (RANKL) and osteoclast formation in vitro and in vivo . Although these molecules are present in periodontopathogenic bacteria, their role in periodontitis is not know...

Antibiofilm efficacy of tea tree oil and of its main component terpinen-4-ol against Candida albicans

Abstract Candida infection is an important cause of morbidity and mortality in immunocompromised patients. The increase in its incidence has been associated with resistance to antimicrobial therapy and biofilm formation. The aim of this study was to evaluate the efficacy of tea tree oil (TTO) and its mai...

Colonización bacteriana después de la aplicación de un programa educativo: estudio cuasi experimental

Medwave; 20 (8), 2020
INTRODUCCIÓN: La intervención en poblaciones por medio de programas educativos logra aumentar el conocimiento en un determinado grupo y además, en algunos casos, se logra un cambio de conducta. OBJETIVO: Determinar si el programa educativo de lavado de manos aplicado a los estudiantes de educación s...

Hidrogel de quitosana com nanofibras de Policaprolactona (PCL) associado a extratos fitoterápicos no metabolismo celular e ação antimicrobiana: estudo in vitro

O objetivo neste estudo foi produzir hidrogel de quitosana (CH) com PCL e fitoterápicos para uso preventivo de úlcera de pressão. Os hidrogéis de CH foram produzidos com glicerofosfato (GP) e com xantana (X), associados ao PCL e foram caracterizados por estereomicroscopio, intumescimento, molhabilida...

Expressão e atividade de sistemas de dois componentes (TCS) de Salmonella enterica sorovar Typhimurium no contexto do metaboloma intestinal humano

A interação entre membros do microbioma intestinal humano, células hospedeiras e patógenos invasores pode ocorrer de diversas formas, sendo uma delas através de pequenas moléculas chamadas metabólitos. A percepção e resposta efetiva de um microrganismo às diferentes condições encontradas em s...

Aleitamento natural e artificial: relações com a ocorrência de bactérias cariogênicas e saúde do bebê

A Organização Mundial de Saúde recomenda o aleitamento materno exclusivo durante os primeiros 6 meses de vida do bebê, e sabe-se que hábitos alimentares inadequados estão associados a várias doenças, como cárie dentária e obesidade. A cárie dentária está relacionada a microrganismos como Str...

Ultrastructure of intracytoplasmic Rickettsia-like infection of the gills of the teleost Archosargus probatocephalus (Sparidae) in northeastern Brazil

Abstract A histopathological survey was conducted to investigate the presence of microparasites in fish Archosargus probatocephalus in a river near Maceió, Brazil. Light microscope observations of fragments of gill showed the presence of small cysts containing numerous myxospores that were morphological...

Survey of vector-borne and nematode parasites involved in the etiology of anemic syndrome in sheep from Southern Brazil

Abstract Although anemia has been historically linked to Haemonchus contortus infection, other infectious agents, such as hemotropic mycoplasmas and tick-borne disease pathogens, may also lead to anemic crisis in sheep. This study has aimed to investigate infections related to anemia in a sheep herd from...