Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0017636 (glioblastoma)
 18,345 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pine needle extracts of Pinus morrisonicola (Hayata) are commonly used as a functional health beverage. However, it remains unclear what the mechanism is underlying the antitumor activity of pine needle extract. The aims of present study were to investigate the anti-glioblastoma effects of pine needle extracts as well as its bioactive compounds. From three different solvent extracts of pine needles, the water extract displayed the strongest cytotoxicity effects on GBM8901 glioblastoma cells. The isolated compounds were identified as pinocembrin, chrysin, and tiliroside. Chrysin was the most active ingredient of pine needle extract for the induction of apoptosis and suppression of migration and invasion. It also markedly inhibited temozolomide (TMZ)-induced autophagy and O(6)-methylguanine-DNA methyltransferase (MGMT) expression. Because both autophagy and MGMT overexpression have been implicated to TMZ-induced drug resistance in glioblastoma, our results showed that pine needle extract and chrysin may serve as a potential anticancer agent against glioblastoma, especially with regard to sensitizing glioblastoma cells resistant to TMZ.
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PMID:Pine (Pinus morrisonicola Hayata) needle extracts sensitize GBM8901 human glioblastoma cells to temozolomide by downregulating autophagy and O(6)-methylguanine-DNA methyltransferase expression. 2529 50