Results: 71

Gastrodin induced HO-1 and Nrf2 up-regulation to alleviate H2O2-induced oxidative stress in mouse liver sinusoidal endothelial cells through p38 MAPK phosphorylation

Braz. j. med. biol. res; 51 (10), 2018
Nuclear factor erythroid-related factor 2 (Nrf2) has been implicated in several detoxifying and antioxidant defense processes. Nrf2-mediated heme oxygenase-1 (HO-1) expression was demonstrated to play a key role against oxidative stress. Gastrodin (GSTD) is a well-known active compound isolated from the ...

Hypoxia-induced hyperpermeability of rat glomerular endothelial cells involves HIF-2α mediated changes in the expression of occludin and ZO-1

Braz. j. med. biol. res; 51 (7), 2018
This study aimed to investigate the role of hypoxia-inducible factor-2α (HIF-2α) in the expression of tight junction proteins and permeability alterations in rat glomerular endothelial cells (rGENCs) under hypoxia conditions. The expression level of HIF-2α and tight junction proteins (occl...

Mechanism of hif-1α mediated hypoxia-induced permeability changes in bladder endothelial cells

Braz. j. med. biol. res; 51 (2), 2018
This study aimed to investigate the mechanism of hypoxia-inducible factor-1 alpha (HIF-1α) mediated hypoxia-induced permeability changes in bladder endothelial cells. Models of in vitro hypoxic cell culture of bladder cancer, bladder cancer cells with low HIF-1α expression and HIF-1α RNA i...

Alternagin-C binding to α2β1 integrin controls matrix metalloprotease-9 and matrix metalloprotease-2 in breast tumor cells and endothelial cells

Background: Matrix metalloproteinases (MMPs) are key players in tumor progression, helping tumor cells to modify their microenvironment, which allows cell migration to secondary sites. The role of integrins, adhesion receptors that connect cells to the extracellular matrix, in MMP expression and activity...

IFN-γR2 is strongly expressed on endothelial cells of gingival tissues from patients with chronic periodontitis

J. appl. oral sci; 26 (), 2018
Abstract Chronic periodontitis (CP) is characterized by gingival inflammation and bone destruction. It has been reported that interferon-gamma (IFN-γ) levels are high in CP patients; however, the IFN-γ receptor (IFN-γR) has not been studied in gingival tissue from these patients. Objectiv...

El endotelio: estructura, función y disfunción endotelial

Med. leg. Costa Rica; 34 (2), 2017
ResumenEl endotelio se puede definir como una monocapa que separa los tejidos de la sangre. Las células endoteliales tienen una multitud de funciones que son específicas a su localización. La principal función del endotelio es regular el flujo y la perfusión sistémicos a través de cambios en el di...

Corneal endothelial cell density and pterygium: a cross-sectional study

Arq. bras. oftalmol; 80 (5), 2017
ABSTRACT Purpose: To investigate the effects of pterygium on corneal endothelial cell density in patients with unilateral pterygium. Methods: We performed a cross-sectional analysis of data from patients with unilateral pterygium who were selected from September 1, 2015 to July 31, 2016 at Hospital de ...

Hiperplasia Endotelial Papilífera Intravascular Oral: relato de dois casos

A hiperplasia endotelial papilífera intravascular (HEPI) é uma lesão vascular não neoplásica, benigna e rara, especialmente em cavidade bucal. O presente artigo relata dois casos com diferentes apresentações clínicas de HEPI, envolvendo o lábio inferior. O primeiro caso se refere a um paciente q...

Avaliação do citoesqueleto e da barreira endotelial pulmonar na malária experimental

Infecções por Plasmodium sp. podem levar a um quadro respiratório grave, com complicações pulmonares denominadas lesão pulmonar aguda e síndrome do desconforto respiratório agudo (LPA/SDRA). Inflamação aguda, lesão do endotélio alveolar e do parênquima pulmonar, disfunção e aumento da perm...

Kaempferol inhibited VEGF and PGF expression and in vitro angiogenesis of HRECs under diabetic-like environment

Braz. j. med. biol. res; 50 (3), 2017
Diabetic retinopathy (DR) is one of the common and specific microvascular complications of diabetes. This study aimed to investigate the anti-angiogenic effect of kaempferol and explore its underlying molecular mechanisms. The mRNA expression level of vascular endothelial growth factor (VEGF) and placent...