Mitochondria-Targeting Type-I Photodrug : Harnessing Caspase-3 Activity for Pyroptotic Oncotherapy
Precise control of cellular signaling events during programmed cell death is crucial yet challenging for cancer therapy. The modulation of signal transduction in cancer cells holds promise but is limited by the lack of efficient, biocompatible, and spatiotemporally controllable approaches. Here we report a photodynamic strategy that modulates both apoptotic and pyroptotic cell death by altering caspase-3 protein activity and the associated signaling crosstalk. This strategy employs a mitochondria-targeting, near-infrared activatable probe (termed M-TOP) that functions via a type-I photochemical mechanism. M-TOP is less dependent on oxygen and more effective in treating drug-resistant cancer cells, even under hypoxic conditions. Our study shows that higher doses of M-TOP induce pyroptotic cell death via the caspase-3/gasdermin-E pathway, whereas lower doses lead to apoptosis. This photodynamic method is effective across diverse gasdermin-E-expressing cancer cells. Moreover, the M-TOP mediated shift from apoptotic to pyroptotic modulation can evoke a controlled inflammatory response, leading to a robust yet balanced immune reaction. This effectively inhibits both distal tumor growth and postsurgical tumor recurrence. This work demonstrates the feasibility of modulating intracellular signaling through the rational design of photodynamic anticancer drugs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:146 |
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| Enthalten in: |
Journal of the American Chemical Society - 146(2024), 13 vom: 03. Apr., Seite 9413-9421 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yi, Zhigao [VerfasserIn] |
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| Links: |
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| Themen: |
Caspase 1 |
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| Anmerkungen: |
Date Completed 04.04.2024 Date Revised 04.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/jacs.4c01929 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Precise control of cellular signaling events during programmed cell death is crucial yet challenging for cancer therapy. The modulation of signal transduction in cancer cells holds promise but is limited by the lack of efficient, biocompatible, and spatiotemporally controllable approaches. Here we report a photodynamic strategy that modulates both apoptotic and pyroptotic cell death by altering caspase-3 protein activity and the associated signaling crosstalk. This strategy employs a mitochondria-targeting, near-infrared activatable probe (termed M-TOP) that functions via a type-I photochemical mechanism. M-TOP is less dependent on oxygen and more effective in treating drug-resistant cancer cells, even under hypoxic conditions. Our study shows that higher doses of M-TOP induce pyroptotic cell death via the caspase-3/gasdermin-E pathway, whereas lower doses lead to apoptosis. This photodynamic method is effective across diverse gasdermin-E-expressing cancer cells. Moreover, the M-TOP mediated shift from apoptotic to pyroptotic modulation can evoke a controlled inflammatory response, leading to a robust yet balanced immune reaction. This effectively inhibits both distal tumor growth and postsurgical tumor recurrence. This work demonstrates the feasibility of modulating intracellular signaling through the rational design of photodynamic anticancer drugs | ||
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| 700 | 1 | |a Qin, Xujuan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Huan |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Tianlin |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Zichao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Lau, Junwei |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yelin |e verfasserin |4 aut | |
| 700 | 1 | |a Toh, Tan Boon |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Chun-Sing |e verfasserin |4 aut | |
| 700 | 1 | |a Bu, Wenbo |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaogang |e verfasserin |4 aut | |
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