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KHS101 Disrupts Energy Metabolism in Human Glioblastoma Cells and Reduces Tumor Growth in Mice

KHS101 Disrupts Energy Metabolism in Human Glioblastoma Cells and Reduces Tumor Growth in Mice

Euan S Polson, Verena B Kuchler, Christopher Abbosh, Edith M Ross, Ryan K Mathew, Hester A Beard, Bárbara da Silva, Andrew N Holding, Stephane Ballereau, Eulashini Chuntharpursat-Bon, Jennifer Williams, etc.

Sci Transl Med. 2018 Aug 15;10(454):eaar2718.

PMID: 30111643

Abstract:

Pharmacological inhibition of uncontrolled cell growth with small-molecule inhibitors is a potential strategy for treating glioblastoma multiforme (GBM), the most malignant primary brain cancer. We showed that the synthetic small-molecule KHS101 promoted tumor cell death in diverse GBM cell models, independent of their tumor subtype, and without affecting the viability of noncancerous brain cell lines. KHS101 exerted cytotoxic effects by disrupting the mitochondrial chaperone heat shock protein family D member 1 (HSPD1). In GBM cells, KHS101 promoted aggregation of proteins regulating mitochondrial integrity and energy metabolism. Mitochondrial bioenergetic capacity and glycolytic activity were selectively impaired in KHS101-treated GBM cells. In two intracranial patient-derived xenograft tumor models in mice, systemic administration of KHS101 reduced tumor growth and increased survival without discernible side effects. These findings suggest that targeting of HSPD1-dependent metabolic pathways might be an effective strategy for treating GBM.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR4243755	KHS101			Price

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