Results: 185

Analysis of antifungal prescriptions in a Basic Health Unit in the Federal District

Background and Objectives: the inappropriate use of antifungal agents leads to the development of resistance and a lack of treatment effectiveness, which can result in the worsening of clinical condition, persistent infections, increased hospitalization rates and prolonged hospital stays as well as death...

Análise imuno-histoquímica de fatores relacionados à resistência terapêutica em neoplasias de glândula salivar
Immunohistochemical analysis of factors related to therapeutic resistance in salivary gland neoplasms

Introdução: A resistência terapêutica no câncer é um processo complexo e multifatorial, no qual os tumores são intrinsecamente resistentes às terapias ou adquirem resistência ao longo do tratamento. Nesse contexto, destaca-se o papel dos transportadores ABC (uma grande família de proteínas tra...

Characterization of vancomycin resistance mechanisms in Enterococcus faecium isolates from a Brazilian tertiary hospital

Background and Objectives: Vancomycin-resistant Enterococcus faecium (VREf) is an opportunistic pathogen responsible for hospital infections, characterized by increasing prevalence and a lack of comprehensive epidemiological studies. We aimed to assess the occurrence of VREf and vancomycin resistance gen...

Pandemia de COVID-19 y evolución de la resistencia a antimicrobianos en bacilos Gram negativos
COVID-19 pandemic and evolution of antimicrobial resistance in Gram negative bacilli

Actual. SIDA. infectol; 31 (113), 2023
Introducción: La emergencia y diseminación de la re-sistencia a antimicrobianos está vinculada en parte al abuso y/o mal uso de los mismos. La propagación del SARS-CoV-2 implicó un mayor consumo de antibióticos. El objetivo de este trabajo fue analizar los mecanismos de res...

Caracterización molecular del dominio de la hélice del gen k13 de Plasmodium falciparum en muestras de comunidades nativas de Condorcanqui, Amazonas, Perú

Biomédica (Bogotá); 43 (3), 2023
Introducción. La resistencia de Plasmodium falciparum a diferentes fármacos antipalúdicos es un obstáculo para eliminar la enfermedad. El genotipo resistente de P. falciparum a la artemisinina puede evaluarse examinando los polimorfismos en el dominio de la hélice del gen Pfk13. La Organización Mun...

High-risk clones of ESBL-producing Klebsiella pneumoniae colonizing ICU patients in Natal, northeastern Brazil

Background and objectives: colonization by extended-spectrum β-lactamase (ESBL)-producing Klebsiella pneumoniae in Intensive Care Unit (ICU) patients is considered a risk factor for infections, and poses as a source of spreading these strains in hospital facilities. This study aimed to perform the genet...

Úlceras de pie diabético infectadas con bacterias multirresistentes a los antimicrobianos en pacientes venezolanos
Diabetic Foot Ulcers Infected with Bacteria Multiresistant to Antimicrobials in Venezuelan patients

Rev. cuba. med; 62 (3), 2023
Introducción: Las úlceras de pie diabético tienen una importante morbimortalidad, más aun, si están asociadas a bacterias multirresistentes a los antimicrobianos. Objetivo: Analizar las características de las úlceras de pie diabético infectadas con bacterias multirresistentes a los antimicrobiano...

Criptococosis pulmonar resistente a anfotericina B aislada en paciente con infección por virus de inmunodeficiencia humana: reporte de caso

La criptococosis se mantiene como una de las principales infecciones oportunistas en el paciente inmunocomprometido con diagnóstico de infección por virus de inmunodeficiencia humana (VIH). Uno de los pilares de su tratamiento es la terapia de inducción con anfotericina B en combinación con flucitosi...

Fixation of pfcrt chloroquine resistance alleles in Plasmodium falciparum clinical isolates collected from unrest tribal agencies of Pakistan

Braz. j. biol; 83 (), 2023
Abstract Plasmodium falciparum resistance to Chloroquine (CQ) is a significant cause of mortality and morbidity worldwide. There is a paucity of documented data on the prevalence of CQ-resistant mutant haplotypes of Pfcrt and Pfmdr1 genes from malaria-endemic war effected Federally Administered Tribal Ar...

Egr-1 Enhances Drug Resistance of Breast Cancer Cells by MDR1 Dependence

Abstract Paclitaxel (PTX) is one of the most effective drugs used in the treatment of breast cancer. Nonetheless, the appearance of MDR1 (multidrug resistance 1) in tumor cells has become a significant hindrance for efficacious chemotherapy. In this study, we show that the expression level of Egr-1 (earl...