CONCLUSIONS: These results suggest that NCI-N87 cell line may be useful in H. Los reticulocitos se pueden contar manualmente con un microscopio de. In NCI-N87 cell lines, IL-8 level was significantly increased after 24 hour compared to control, and was prominent in the lower well. Como se ha descrito anteriormente, el contraste de fase ayudar a distinguirlos. ![]() TER was measured as 400-500 (omega x cm2) at two or three weeks after cell culture. RESULTS: A monolayer phenotype was observed in NCI-N87 cell lines by using confocal microscope. IL-8 level was compared in both upper and lower well with the control. ![]() The IL-8 level was determined by ELISA at 24 hours after the administration of HP60190 and IL-1alpha on NCI-N87 cells. Existen dos clases de microscopa por contraste de fases: positiva y negativa. Este tipo de microscopa es especialmente til para observar muestras biolgicas vivas. Transepithelial resistance (TER) was measured on NCI-N87 cells seeded on Transwell(R) to identify monolayer polarity two or three times a week after confluency. La microscopa de contraste de fases es una tcnica de microscopa basada en traducir los cambios de fase de las ondas de luz que pasan a travs de una muestra en cambios de amplitud. METHODS: For the identification of epithelial phenotypes at low magnification, cells were observed on a phase-contrast microscope and confocal microscope. La microscopia de contraste de fases y la del microscopio de interferencia nos dan la posibilidad de observar clulas vivas y sin ninguna preparacin, ya que al realizar otros procedimientos existe la posibilidad de que algunos de sus componentes puedan perderse o distorsionarse por mtodos como la fijacin, coloracin. The present investigation aimed at assessing the usefulness of NCI-N87 cell line as an adequate cellular model to study the pathophysiology of human H. O microscpio de contraste de fase segue a mesma estrutura bsica do microscpio. ![]() A utilizao do contraste de fase se d por no necessitar corar as clulas, mas mesmo assim proporcionar a visualizao detalhada da amostra. BACKGROUND/ AIMS: The unavailability of human gastric cell lines representative of the normal gastric epithelial function such as polarized monolayer restricts the application of cell culture system in approaching the field of Helicobacter pylori (H. Na microscopia de campo claro comum, analisar clulas vivas pode ser mais complicado pela falta de contraste.
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