Results: 22

Microarray profiling and functional analysis of differentially expressed plasma exosomal circular RNAs in Graves disease

Biol. Res; 53 (), 2020
BACKGROUND: Circulating RNA (circRNA) regulates various bioactivities in cells. A better understanding of the exosomal circRNA can provide novel insights into the pathogenesis and treatment of Graves' disease (GD). We aimed to profile the differentially expressed circRNAs (DEcRs) in plasma exosomes of pa...

Mast cells-derived MiR-223 destroys intestinal barrier function by inhibition of CLDN8 expression in intestinal epithelial cells

Biol. Res; 53 (), 2020
BACKGROUND: Mast cells (MCs) have been found to play a critical role during development of inflammatory bowel disease (IBD) that characterized by dysregulation of inflammation and impaired intestinal barrier function. However, the function of MCs in IBD remains to be fully elucidated. RESULTS: In our stu...

Análise proteômica de exossomos de leishmania infantum e o impacto dessas vesículas na imunidade a lutzomyia longipalpis

Leishmania infantum chagasi é o principal agente etiológico da leishmaniose visceral na América Latina, uma doença letal que aflige centenas de milhares de pessoas em todo o mundo a cada ano. Estudos prévios mostraram que o parasita secreta microvesículas conhecidas como exossomos, que prolongam e ...

Exosomes secreted from miRNA-29b-modified mesenchymal stem cells repaired spinal cord injury in rats

Braz. j. med. biol. res; 52 (12), 2019
Exosomes, a kind of extracellular vesicle, are promising therapeutic agents for spinal cord injury (SCI). This article aimed to investigate effects of exosomes secreted from miRNA-29b-modified bone marrow mesenchymal stem cells (BMSCs) on SCI. Exosomes were extracted from BMSCs transfected with miRNA-29b...

Estudio e identificación de microRNA en exosomas urinarios en hipertensión arterial mineralocorticoide

About 15% of the essential hypertensive patients would have a low activity of the 11βHSD2 enzyme, which inactivates cortisol (F) to cortisone (E). Gene expression can be negatively regulated by miRNA. Urinary exosomes and their specific content (miRNA/proteins) represent a valuable tool as a biomarker f...

Exosomes promote cetuximab resistance via the PTEN/Akt pathway in colon cancer cells

Braz. j. med. biol. res; 51 (1), 2018
Cetuximab is widely used in patients with metastatic colon cancer expressing wildtype KRAS. However, acquired drug resistance limits its clinical efficacy. Exosomes are nanosized vesicles secreted by various cell types. Tumor cell-derived exosomes participate in many biological processes, including tumor...

Efecto terapéutico de los exosomas en el ACV isquémico en animales de experimentación

Int. j. morphol; 34 (4), 2016
La posibilidad de que los exosomas funcionen como una nueva forma de comunicación intercelular para establecer y mantener circuitos cerebrales está comenzando a ser explorada. Los exosomas son liberados desde células e interactúan con otras células receptoras para mediar cambios fisiológicos. Todas...

Aislamiento y caracterización celular de exosomas de plasma para su uso como biomarcadores de diagnóstico

Los exosomas son vesículas membranosas extracelulares esenciales en la comunicación intercelular a larga distancia, viajan en los fluidos corporales y entregan mensajes moleculares dirigidos a la mayoría de las células de todo el organismo. La liberación de mensajes vía exosomas ocurre en forma de ...

Análise do comportamento das linhagens celulares SCC-25, SAS e HSC-3 frente à presença dos exossomos derivados dos macrófagos (TAMs) dos subtipos M1 e M2

O carcinoma epidermóide (CE) de língua representa uma das lesões malignas mais comuns em cavidade oral e caracteriza-se por apresentar um comportamento localmente invasivo e agressivo. Os exossomos são responsáveis pela comunicação célula-célula e podem influenciar na progressão tumoral, metás...