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Decane-1,2-diol derivatives as potential antitumor agents for the treatment of glioblastoma.

European journal of pharmacology (2018-09-05)
Anisha Viswanathan, Anastasia Zhurina, Benedicta Assoah, Aleksi Paakkunainen, Aliyu Musa, Dinesh Kute, Konda Mani Saravanan, Olli Yli-Harja, Nuno R Candeias, Meenakshisundaram Kandhavelu

Glioblastoma remains the most common and aggressive type of malignant brain tumor among adults thus, considerable attention has been given to discovery of novel anti-tumor drugs for its treatment. This study reports the synthesis of a series of twelve novel decane-1,2-diol derivatives and evaluation of its anti-tumor activity in mammalian glioblastoma cell lines, U87 and LN229. Starting from decane-1,2-diol, several derivatives were prepared using a diversity oriented synthesis approach through which a small library composed of esters, silyl ethers, sulfonates, sulfites, sulfates, ketals, and phosphonates was built. The decane-1,2-diol ditosylated derivative, DBT, found to have higher cytotoxicity than the standard drug cisplatin, has IC50 value of 52 µM in U87 and 270 µM in LN229. Migration analysis of U87 cell line treated with the DBT indicated its ability to effectively suppress proliferation during initial hours of treatment and decrease anti-proliferative property over time. Additionally, DBT was assessed for its role in apoptosis, oxidative stress and caspase 3/7 activation in U87. Interestingly, our experiments indicated that its cytotoxicity is independent of Reactive oxygen species induced caspase 3/7 activity. The compound also exhibited caspase independent apoptosis activity in U87. DBT treatment led to G1/S cell cycle arrest and apoptosis induction of glioma cell lines. In addition, we identified 1533 genes with significant changes at the transcriptional level, in response to DBT. A molecular docking study accounting for the interaction of DBT with NMDA receptor disclosed several hydrogen bonds and charged residue interactions with 17 amino acids, which might be the basis of the DBT cytotoxicity observed. We conclude that this molecule exerts its cytotoxicity via caspase 3/7 independent pathways in glioblastoma cells. Concisely, simple decane-1,2-diol derivatives might serve as scaffolds for the development of effective anti-glioblastoma agents.

Product Number
Product Description

青链霉素, Solution stabilized, with 10,000 units penicillin and 10 mg streptomycin/mL, 0.1 μm filtered, BioReagent, suitable for cell culture
丙酮酸钠 溶液, 100 mM, sterile-filtered, BioReagent, suitable for cell culture
胎牛血清, Canada origin, sterile-filtered, suitable for cell culture
癸烷, anhydrous, ≥99%
低限量Eagle培养基, with Earle′s Balanced Salts, with non-essential amino acids, without L-glutamine, liquid, sterile-filtered, suitable for cell culture
1,2-癸二醇, 98%