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A Synchronized Dual Drug Delivery Molecule Targeting Cancer Stem Cells in Tumor Heterogeneity and Metastasis by Ji Hyeon Kim; Jung Min Park; Eunsun Jung; Jieun Lee; Jiyou Han; Yoon-Jae Kim; Ji Young Kim; Jae Hong Seo; Jong Seung Kim is a Engineering article available to read on EtoBox.

What is A Synchronized Dual Drug Delivery Molecule Targeting Cancer Stem Cells in Tumor Heterogeneity and Metastasis about?

Cancer stem-like cells (CSCs) represent a key barrier to successful therapy for triple-negative breast cancer (TNBC). CSCs promote the emergence of chemoresistance, triggering relapse and resulting in a poor prognosis. We herein present CDF-TM, a new small molecule-based binary prodrug conjugated with SN-38 and 3,4-difluorobenzylidene curcumin (CDF) that is specifically activated in hypoxic conditions. CDF-TM treatment significantly induced apoptosis in TNBC-derived 3D spheroids, accompanied with caspase-3 activation as well as the attenuation of tumor stemness with evidence of reduction in aldehyde dehydrogenase 1 (ALDH1) activity and the CD44 high /CD24 low phenotype. An in vivo orthotopic allograft model was used to investigate its effects on tumor growth and metastasis. The dissemination of CSCs from primary allografts was impaired by CDF-TM, along with inhibition of tumor growth via eradication of CSCs and downregulation of multidrug resistance 1 (MDR1). This new small molecule-based binary prodrug offers a novel therapeutic option for metastatic TNBC.

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Author

Ji Hyeon Kim; Jung Min Park; Eunsun Jung; Jieun Lee; Jiyou Han; Yoon-Jae Kim; Ji Young Kim; Jae Hong Seo; Jong Seung Kim

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)