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https://www.selleckchem.com/products/ki20227.html BACKGROUND Filamin A is the most widely expressed isoform of filamin in mammalian tissues. It can be hydrolyzed by Calpain, producing a 90-kDa carboxyl-terminal fragment (ABP90). Calpeptin is a chemical inhibitor of Calpain, which can inhibit this effect. It has been shown that ABP90 acts as a transcription factor which is involved in mediating cell signaling. However, the significance of ABP90 and its clinical signature with underlying mechanisms have not been well studied in glioblastoma multiforme (GBM). METHODS ABP90 protein was measured in 36 glioma patients by Western blot. Human GBM cell lines U87 and A172 were used to clarify the precise role of ABP90. CCK-8 assay was used to analyze the cell viability. Transwell invasion assay and wound healing assay were used to analyze the migration and invasion. Expression of matrix metalloproteinase 2/tissue inhibitors of metalloproteinase 2 (MMP2/TIMP2) protein was analyzed by Western blot. RESULTS ABP90 protein expression was lower in GBM tissues. The patients with low ABP90 protein expression had a shorter OS time (p = 0.046). After being treated with Calpain, the expression of ABP90 was upregulated, which led to a decline of cell viability, enhanced the efficacy of temozolomide and restrained the cell invasion. Calpeptin could inhibit the effect. The mechanism might be involved in the balance of MMP2/TIMP2. CONCLUSIONS Our present data suggest that ABP90 expression is a significant prognostic factor and may play an important role in cell viability, chemotherapeutic sensitivity and invasion of GBM.PURPOSE To evaluate thoracolumbar spine injury patterns, demographics, and clinical characteristics in pediatric patients following all-terrain vehicle-related trauma. METHODS A retrospective review of patients 0-17 years old admitted to a level I trauma center following an ATV-related incident from 2004 to 2013 was performed. Thoracolumbar spine injury patterns, accident me

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