Cited by 27Bioactive Compounds and Antitumor AgentsNanoplatforms for cancer theranosticsMitochondrial Function and Pathology

Mitochondrial targeted β-lapachone induces mitochondrial dysfunction and catastrophic vacuolization in cancer cells

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Ma, Jing, Lim, Chaemin, Sacher, Joshua R., Van Houten, Bennett, Qian, Wei, Wipf, Peter·2015·Bioorganic & Medicinal Chemistry Letters

Abstract

Mitochondria play important roles in tumor cell physiology and survival by providing energy and metabolites for proliferation and metastasis. As part of their oncogenic status, cancer cells frequently produce increased levels of mitochondrial-generated reactive oxygen species (ROS). However, extensive stimulation of ROS generation in mitochondria has been shown to be able to induce cancer cell death, and is one of the major mechanisms of action of many anticancer agents. We hypothesized that enhancing mitochondrial ROS generation through direct targeting of a ROS generator into mitochondria will exhibit tumor cell selectivity, as well as high efficacy in inducing cancer cell death. We thus synthesized a mitochondrial targeted version of β-lapachone (XJB-Lapachone) based on our XJB mitochondrial targeting platform. We found that the mitochondrial targeted β-lapachone is more efficient in inducing apoptosis compared to unconjugated β-lapachone, and the tumor cell selectivity is maintained. XJB-Lapachone also induced extensive cellular vacuolization and autophagy at a concentration not observed with unconjugated β-lapachone. Through characterization of mitochondrial function we revealed that XJB-Lapachone is indeed more capable of stimulating ROS generation in mitochondria, which led to a dramatic mitochondrial uncoupling and autophagic degradation of mitochondria. Taken together, we have demonstrated that targeting β-lapachone accomplishes higher efficacy through inducing ROS generation directly in mitochondria, resulting in extensive mitochondrial and cellular damage. XJB-Lapachone will thus help to establish a novel platform for the design of next generation mitochondrial targeted ROS generators for cancer therapy.

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  1. [23]Modica-Napolitanoa JS Singh KK Mitochondrion 2004 4 755 16120430
  2. [49]Agrawal U Sharma R Vyas SP Devarajan PV Jain S Springer International Publishing 2015 241 270
  3. [52]Zhang X Fryknas M Hernlund E Fayad W De Milito A Olofsson MH Gogvadze V Dang L Pahlman S Schughart LaK Rickardson L D'Arcy P Gullbo J Nygren P Larsson R Linder S Nat Commun 2014 5 4291 24548894 PMC3929804
  4. [67]Planchon SM Wuerzberger S Frydman B Witiak DT Hutson P Church DR Wilding G Boothman DA Cancer Res 1995 55 3706 7641180 PMC4807624
  5. [74]Ho J Barbi de Moura M Lin Y Vincent G Thorne S Duncan LM Kirkwood JM Becker D Van Houten B Moschos SJ Mol Cancer 2012 11 76 23043612 PMC3537610

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Authors
Ma, J., Lim, C., Sacher, J. R., Van Houten, B., Qian, W., & Wipf, P.
Affiliations
University of Pittsburgh (US)
Corresponding author
  • Qian, Wei
  • Wipf, Peter
Venue
Bioorganic & Medicinal Chemistry Letters
Publisher
Elsevier BV
Published
2015-11
Volume
25
Issue
21
Pages
4828-4833
ISSN
0960-894X (ISSN-L)
OpenAlex
W833232761
Cited by
27
References
74
Citations by year
2026: 1 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 6 · 2016: 4
FWCI
3.97
Type
journal article
Language
en
Open access
Locations
  • Bioorganic & Medicinal Chemistry Letters (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (GM102989, GM067082)
  • Univ. of Pittsburgh Cancer Institute (P30CA047904)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Bioactive Compounds and Antitumor Agents
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
β-lapachone, mitochondrial targeting, reactive oxygen species, mitochondrial dysfunction, mitochondrial uncoupling, vacuolization, autophagy, apoptosis, cancer cell death, tumor selectivity, anticancer agents
MeSH terms
Cell Survival, Dose-Response Relationship, Drug, Humans, Mitochondria, Naphthoquinones, Neoplasms, Structure-Activity Relationship, Vacuoles, Molecular Structure, Cell Death, Apoptosis, Reactive Oxygen Species, Cell Line, Tumor

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