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We investigate the effect of specific antisense oligodeoxynucleotide (ASO DN) inhibition of Fas expression on T cell apoptosis induced by gastric carcinoma cell . Fas receptor (Fas) and Fas ligand (FasL) expressed by the gastric carcinoma cell line SGC-7901 and Jurkat T cells were detected by flow cytometry (FCM) and the ability of Fas L-inducing T cell apoptosis was tested by co-culture assay in...
We studied the Fas/anti-Fas system to induce killing of Fas-expressing immunocytes with resultant immunosuppression. W7TM-1 tumour cells, a rat T-cell line, were inoculated subcutaneously in BALB/c mice and tumour growth was monitored in untreated mice and in mice treated with RMF2. Prior to treatment with RMF2, we examined the expression of Fas in isolated splenocytes and in tumour infiltrating lymphocytes...
We explore whether antisense oligodeoxy-nucleotides (ASODN) targeting survivin gene can reverse apoptotic resistance induced by cisplatin in human lung adenocarcinoma cells. A549 / CDDP cell lines were cultured routinely with RPMI-1640 medium. Survivin ASODN mediated by cytofectin was transfected into the A549 / CDDP cells. The influence of ASODN transfection on apoptosis was determined by Diphenylamine...
We investigate the effects of anti-Fas ribozyme on Fas expression and apoptosis in primary cultured Neonatal mouse ventricular myocytes. Neonatal mouse ventricular myocytes were isolated by using collagenase irrigation. A hammerhead ribozyme targeting the Fas mRNA was constructed, and transfected into Neonatal mouse ventricular myocytes via Effectene. Then Fas expression in Neonatal mouse ventricular...
AIM To study the activation of CTLs against gastric cancer cells induced by FasL/B7-l (FB-ll)genes modified tumor cells, and to explore whether co-expression of FasL and B7-1 in SGC-7901 tumor cells could initiate an synergistic antitumor effect. METHODS FasL and B7-1 genes were transfected into human SGC-7901 gastric cancer cells with adenovirus vectors. The positive clones were selected by G418...
Investigate the relationship between caspase-3 expression and apoptosis in lung adenocarcinoma cell line A-549 who was transfected with Adenovirus-mediated FasL gene. Human lung adenocarcinoma cell line A-549 was transfected with Adenovirus-mediated FasL gene. The expression of caspase-3-, apoptosis morphological changes were measured using flow cytometry, RT-PCR assays, the activity of caspase-3...
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