Ropivacaine as a novel AKT1 specific inhibitor regulates the stemness of breast cancer
© 2024. The Author(s)..
BACKGROUND: Ropivacaine, a local anesthetic, exhibits anti-tumor effects in various cancer types. However, its specific functions and the molecular mechanisms involved in breast cancer cell stemness remain elusive.
METHODS: The effects of ropivacaine on breast cancer stemness were investigated by in vitro and in vivo assays (i.e., FACs, MTT assay, mammosphere formation assay, transwell assays, western blot, and xenograft model). RNA-seq, bioinformatics analysis, Western blot, Luciferase reporter assay, and CHIP assay were used to explore the mechanistic roles of ropivacaine subsequently.
RESULTS: Our study showed that ropivacaine remarkably suppressed stem cells-like properties of breast cancer cells both in vitro and in vivo. RNA-seq analysis identified GGT1 as the downstream target gene responding to ropivacaine. High GGT1 levels are positively associated with a poor prognosis in breast cancer. Ropivacaine inhibited GGT1 expression by interacting with the catalytic domain of AKT1 directly to impair its kinase activity with resultant inactivation of NF-κB. Interestingly, NF-κB can bind to the promoter region of GGT1. KEGG and GSEA analysis indicated silence of GGT1 inhibited activation of NF-κB signaling pathway. Depletion of GGT1 diminished stem phenotypes of breast cancer cells, indicating the formation of NF-κB /AKT1/GGT1/NF-κB positive feedback loop in the regulation of ropivacaine-repressed stemness in breast cancer cells.
CONCLUSION: Our finding revealed that local anesthetic ropivacaine attenuated breast cancer stemness through AKT1/GGT1/NF-κB signaling pathway, suggesting the potential clinical value of ropivacaine in breast cancer treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:43 |
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| Enthalten in: |
Journal of experimental & clinical cancer research : CR - 43(2024), 1 vom: 25. März, Seite 90 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ding, Lin [VerfasserIn] |
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| Links: |
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| Themen: |
7IO5LYA57N |
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| Anmerkungen: |
Date Completed 26.03.2024 Date Revised 27.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s13046-024-03016-9 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM370128664 |
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| 245 | 1 | 0 | |a Ropivacaine as a novel AKT1 specific inhibitor regulates the stemness of breast cancer |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a BACKGROUND: Ropivacaine, a local anesthetic, exhibits anti-tumor effects in various cancer types. However, its specific functions and the molecular mechanisms involved in breast cancer cell stemness remain elusive | ||
| 520 | |a METHODS: The effects of ropivacaine on breast cancer stemness were investigated by in vitro and in vivo assays (i.e., FACs, MTT assay, mammosphere formation assay, transwell assays, western blot, and xenograft model). RNA-seq, bioinformatics analysis, Western blot, Luciferase reporter assay, and CHIP assay were used to explore the mechanistic roles of ropivacaine subsequently | ||
| 520 | |a RESULTS: Our study showed that ropivacaine remarkably suppressed stem cells-like properties of breast cancer cells both in vitro and in vivo. RNA-seq analysis identified GGT1 as the downstream target gene responding to ropivacaine. High GGT1 levels are positively associated with a poor prognosis in breast cancer. Ropivacaine inhibited GGT1 expression by interacting with the catalytic domain of AKT1 directly to impair its kinase activity with resultant inactivation of NF-κB. Interestingly, NF-κB can bind to the promoter region of GGT1. KEGG and GSEA analysis indicated silence of GGT1 inhibited activation of NF-κB signaling pathway. Depletion of GGT1 diminished stem phenotypes of breast cancer cells, indicating the formation of NF-κB /AKT1/GGT1/NF-κB positive feedback loop in the regulation of ropivacaine-repressed stemness in breast cancer cells | ||
| 520 | |a CONCLUSION: Our finding revealed that local anesthetic ropivacaine attenuated breast cancer stemness through AKT1/GGT1/NF-κB signaling pathway, suggesting the potential clinical value of ropivacaine in breast cancer treatment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Breast cancer | |
| 650 | 4 | |a Cancer stem cell | |
| 650 | 4 | |a GGT1 | |
| 650 | 4 | |a NF-κB signaling pathway | |
| 650 | 4 | |a Ropivacaine | |
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| 650 | 7 | |a AKT1 protein, human |2 NLM | |
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| 650 | 7 | |a Proto-Oncogene Proteins c-akt |2 NLM | |
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| 700 | 1 | |a Jiang, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Qiangwei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Qiushuang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Tian-Tian |e verfasserin |4 aut | |
| 700 | 1 | |a Shang, Limeng |e verfasserin |4 aut | |
| 700 | 1 | |a Xie, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Yaling |e verfasserin |4 aut | |
| 700 | 1 | |a Ding, Keshuo |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Xuanming |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Yong |e verfasserin |4 aut | |
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