Title : Hedgehog/Gli1 signaling pathway regulates MGMT expression and chemoresistance to temozolomide in human glioblastoma.

Pub. Date : 2017

PMID : 29225516






9 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 Hedgehog/Gli1 signaling pathway regulates MGMT expression and chemoresistance to temozolomide in human glioblastoma. Temozolomide GLI family zinc finger 1 Homo sapiens
2 This study is to determine the relationship between Hedgehog (HH)/Gli1 signaling pathway and chemoresistance to temozolomide (TMZ) in human GBM. Temozolomide GLI family zinc finger 1 Homo sapiens
3 This study is to determine the relationship between Hedgehog (HH)/Gli1 signaling pathway and chemoresistance to temozolomide (TMZ) in human GBM. Temozolomide GLI family zinc finger 1 Homo sapiens
4 Quantitative PCR, western blot, methylation-specific PCR, cell proliferation and apoptosis assay were used to investigate changes of MGMT expression and chemosensitivity to TMZ after manipulating HH/Gli1 signaling activity in A172 and U251 GBM cell lines. Temozolomide GLI family zinc finger 1 Homo sapiens
5 Activation of HH/Gli1 signaling by pcDNA3.1-Gli1 cell transfection in A172 cells led to increased MGMT expression and enhanced resistance to TMZ treatment. Temozolomide GLI family zinc finger 1 Homo sapiens
6 Activation of HH/Gli1 signaling by pcDNA3.1-Gli1 cell transfection in A172 cells led to increased MGMT expression and enhanced resistance to TMZ treatment. Temozolomide GLI family zinc finger 1 Homo sapiens
7 Inhibition of the HH/Gli1 signaling by cyclopamine in U251 cells resulted in decreased MGMT expression and increased sensitivity to TMZ treatment. Temozolomide GLI family zinc finger 1 Homo sapiens
8 Conclusions: This study shows that HH/Gli1 signaling pathway regulates MGMT expression and chemoresistance to TMZ in human GBM independent from MGMT promoter methylation status, which offers a potential target to restore chemosensitivity to TMZ in a fraction of GBM with high MGMT expression. Temozolomide GLI family zinc finger 1 Homo sapiens
9 Conclusions: This study shows that HH/Gli1 signaling pathway regulates MGMT expression and chemoresistance to TMZ in human GBM independent from MGMT promoter methylation status, which offers a potential target to restore chemosensitivity to TMZ in a fraction of GBM with high MGMT expression. Temozolomide GLI family zinc finger 1 Homo sapiens