Cited by 134Melanoma and MAPK PathwaysMetal complexes synthesis and propertiesProtein Kinase Regulation and GTPase Signaling

MAST1 drives cisplatin resistance in human cancers by rewiring cRaf-independent MEK activation

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Jin, Lingtao, Chun, Jaemoo, Pan, Chaoyun, Li, Dan, Lin, Ruiting, Alesi, Gina N., Wang, Xu, Kang, Hee-Bum +18 more·2018·Cancer Cell

Abstract

Platinum-based chemotherapeutics represent a mainstay of cancer therapy, but resistance limits their curative potential. Through a kinome RNAi screen, we identified microtubule-associated serine/threonine kinase 1 (MAST1) as a main driver of cisplatin resistance in human cancers. Mechanistically, cisplatin but no other DNA-damaging agents inhibit the MAPK pathway by dissociating cRaf from MEK1, while MAST1 replaces cRaf to reactivate the MAPK pathway in a cRaf-independent manner. We show clinical evidence that expression of MAST1, both initial and cisplatin-induced, contributes to platinum resistance and worse clinical outcome. Targeting MAST1 with lestaurtinib, a recently identified MAST1 inhibitor, restores cisplatin sensitivity, leading to the synergistic attenuation of cancer cell proliferation and tumor growth in human cancer cells and patient-derived xenograft models.

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Crossref · 10.1016/j.ccell.2018.06.012

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  • In cisplatin-resistant cells, MAST1 takes over C-RAF to re-activate the MAPK cascade.

    “In this case, MAST1 took over C-RAF to re-activate MAPK cascade in cisplatin-resistant cells, and inhibition of MAST1 led to decreased MEK1 phosphorylation, explaining the effectiveness of targeting MAST1 in overcoming cisplatin resistance.”

    From New Horizons in KRAS-Mutant Lung Cancer: Dawn After Darkness (2019) · cites this paper as [85]

  • Cisplatin directly binds to cysteine 142 site of MEK1, restricting its access to C-RAF that typically phosphorylates MEK1.

    “Further investigations showed that cisplatin directly binds to cysteine 142 site of MEK1, restricting its access to C-RAF that typically phosphorylates MEK1.”

    From New Horizons in KRAS-Mutant Lung Cancer: Dawn After Darkness (2019) · cites this paper as [85]

  • Knockdown of MAST1 re-sensitizes cisplatin-resistant cells to cisplatin in vitro and in vivo.

    “Knockdown of MAST1 re-sensitized the resistant cells to cisplatin in vitro and in vivo.”

    From New Horizons in KRAS-Mutant Lung Cancer: Dawn After Darkness (2019) · cites this paper as [85]

  • MAST1 is a key mediator of cisplatin resistance.

    “Jin et al. used multi-step kinome screens and identified MAST1, an AGC serine/threonine protein, as a key mediator of cisplatin resistance.”

    From New Horizons in KRAS-Mutant Lung Cancer: Dawn After Darkness (2019) · cites this paper as [85]

  • Inhibition of MAST1 leads to decreased MEK1 phosphorylation.

    “In this case, MAST1 took over C-RAF to re-activate MAPK cascade in cisplatin-resistant cells, and inhibition of MAST1 led to decreased MEK1 phosphorylation, explaining the effectiveness of targeting MAST1 in overcoming cisplatin resistance.”

    From New Horizons in KRAS-Mutant Lung Cancer: Dawn After Darkness (2019) · cites this paper as [85]

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Authors
Jin, L., Chun, J., Pan, C., Li, D., Lin, R., Alesi, G. N., Wang, X., Kang, H.-B., Song, L., Wang, D., Zhang, G., Fan, J., Boggon, T. J., Zhou, L., Kowalski, J., Qu, C.-K., Steuer, C. E., Chen, G. Z., Saba, N. F., Boise, L. H., Owonikoko, T. K., Khuri, F. R., Magliocca, K. R., Shin, D. M., Lonial, S., & Kang, S.
Affiliations
  • Emory University (US)
  • Morehouse School of Medicine (US)
  • Yale University (US)
  • Fudan University (CN)
Corresponding author
Kang, Sumin
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2018-08
Volume
34
Issue
2
Pages
315-330.e7
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2883776565
Cited by
132
References
42
Citations by year
2026: 7 · 2025: 8 · 2024: 28 · 2023: 27 · 2022: 22 · 2021: 19 · 2020: 10 · 2019: 8 · 2018: 3
FWCI
3.56
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Winship Cancer Institute (IRG-17-181-04, P30CA138292)
  • American Cancer Society
  • U.S. Department of Defense (W81XWH-17-1-0186)
  • National Institutes of Health (R01 CA175316, R01 CA207768, F31 CA183365)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
  • Health Sciences › Medicine › Oncology › Metal complexes synthesis and properties
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
cisplatin resistance, MAPK signaling, lestaurtinib, platinum-based chemotherapy, DNA-damaging agents, patient-derived xenografts, tumor cell proliferation
MeSH terms
Animals, Antineoplastic Agents, Cisplatin, Enzyme Activation, Female, Humans, Microtubule-Associated Proteins, Protein Serine-Threonine Kinases, Drug Resistance, Neoplasm, Proto-Oncogene Proteins c-raf, Cell Line, Tumor, MAP Kinase Kinase 1, Mice

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