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ARSENIC TRIOXIDE TRIGGERS APOPTOSIS OF METASTATIC ORAL SQUAMOUS CELLS CARCINOMA WITH CONCOMITANT DOWNREGULATION OF GLI1 IN HEDGEHOG SIGNALING
Sinalização ouriço
Trióxido de arsênico
GLI1
Reaproveitamento de medicamentos
Autor
Afiliación
Resumen en ingles
Given the lack of advances in Oral Squamous Cell Carcinoma (OSCC) therapy in recent years, pharmacological strategies to block OSCC-related signaling pathways have gained prominence. The present study aimed to evaluate the therapeutic potential of Arsenic Trioxide (ATO) concerning its antitumoral effects and the inhibition of the Hedgehog (HH) pathway in OSCC. Initially, ATO cytotoxicity was assessed in a panel of cell lines. Cell viability, cell cycle, death patterns, and cell morphology were analyzed, as well as the effect of ATO on the expression of HH pathway components. After the cytotoxic assay, HSC3 cells were chosen for all in vitro assays. ATO increased apoptotic cell death and nuclear fragmentation in the sub-G1 cell cycle phase and promoted changes in cell morphology. In addition, the reduced expression of GLI1 indicated that ATO inhibits HH activity. The present study provides evidence of ATO as an effective cytotoxic drug for oral cancer treatment in vitro.
Palabras clave en portugues
Câncer bucalSinalização ouriço
Trióxido de arsênico
GLI1
Reaproveitamento de medicamentos
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