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Novel protein kinase inhibitor TT-00420 inhibits gallbladder cancer by inhibiting JNK/JUN-mediated signaling pathway

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Abstract

Purpose

This study aimed to investigate the efficiency of our chemically synthesized TT-00420, a novel spectrum-selective multiple protein kinase inhibitor, in cultured cells and animal models of gallbladder cancer (GBC) and explore its potential mechanism.

Methods

Multiple GBC models were established to assess the anti-tumor efficiency, toxicity, and pharmacokinetics of TT-00420. Integrated transcriptomic, proteomic and phosphoproteomic analysis was conducted to identify potential downstream effectors of TT-00420. Western blotting, qRT-PCR, nuclear-cytoplasm separation, and immunofluorescence were performed to confirm the multi-omic results and explore the molecular mechanism of TT-00420. Immunohistochemistry was used to detect FGFR1 and p-FGFR1 expression levels in GBC samples. Autodock software was utilized to investigate the potential binding mode between the TT-00420 and the human FGFR1.

Results

We found that TT-00420 exerted potent growth inhibition of GBC cell lines and multiple xenograft models. Treatment of mice with 15 mg/kg TT-00420 via gavage displayed a half-life of 1.8 h in the blood and rapid distribution to the liver, kidneys, lungs, spleen, and tumors at 0.25 h, but no toxicity to these organs over 2 weeks. Multi-omic analysis revealed c-Jun as a potential downstream effector after TT-00420 treatment. Mechanistically, TT-00420 showed rigorous ability to block FGFR1 and its downstream JNK-JUN (S63/S73) signaling pathway, and induce c-Jun S243-dependent MEK/ERK reactivation, leading to FASLG-dependent tumor cell death. Finally, we found that FGFR1 and p-FGFR1 expression was elevated in GBC patients and these levels correlated with decreased patient survival.

Conclusions

TT-00420 shows potent antitumor efficacy and may serve as a novel agent to improve GBC prognosis.

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Data availability

All data generated or analyzed during this study are included in this published article (and its supplementary information files).

Abbreviations

GBC:

Gallbladder cancer

PDAC:

Pancreatic Ductal Adenocarcinoma

PDX:

Patient-derived Xenograft

CDX:

Cell-derived Xenograft

FIH:

First-in-human

SAE:

Severe Adverse Effects

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Acknowledgements

We really appreciate the Prof. Rong Shao from Shanghai Jiao Tong University School of Medicine for substantially editing the manuscript.

Funding

This project was supported in part by grants from the National Natural Science Foundation of China (31620103910, 81874181, 81903035, 82103308, 3213000192), National Science and Technology Major Project for “Major New Drug Innovation and Development” (2019ZX09301-158), Shanghai Municipal Science and Technology Major Project (20JC1419101).

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Authors and Affiliations

Authors

Contributions

HM, YG, YL, ST and FF performed most of the experiments with assistance from WL, YL, LL, RZ, SQ, YW, ZW, ZW and ZS. LZ, CC and KL helped to perform the animal experiments. MY, YZ, and ZL helped to perform the bioinformatic analysis and statistical analysis. PP and XQ helped to do the pharmacokinetic analysis. YH, DX, LC, JQ, ML, YL and YL conceived and supervised the study. HM, YG, YL, ST and FF wrote most of the manuscript. All authors commented on the manuscript.

Corresponding authors

Correspondence to Dongxi Xiang, Xiaoqing Jiang, Maolan Li, Yun Liu or Yingbin Liu.

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Ethical approval and consent to participate

All patient samples and clinical data were obtained with informed consent from the Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital, Shanghai, China. The study was approved by the Ethics Committee of Shanghai Jiao Tong University School of Medicine Affiliated Renji Hospital (RA-2021–442).

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Not applicable.

Competing interest

The authors declare that they have no competing interests.

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Supplementary Information

Below is the link to the electronic supplementary material.

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Supplementary file1 (JPG 900 KB) Figure S1. (a) The chemical structure of TT-00420. (b) The kinase panel and potential kinase targets of TT-00420.

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Supplementary file2 (JPG 1132 KB) Figure S2, related to Fig.1 (a-b) The IC50 analysis of TT-00420 in cholangiocarcinoma cell lines and pancreatic cancer cell lines by using CCK-8 assay. (c-f) The IC50 analysis of Infigratinib, Tofacitinib, Sorafenib and Salirasib in GBC commercial cell lines by using CCK-8 assay. (g) The proliferation ability of GBC cells was measured by CCK-8 assay. The cells were treated TT-00420 with different concentration.

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Supplementary file3 (JPG 5267 KB) Figure S3, related to Fig.2 (a) The food consumption observation and body weight change in acute toxicity analysis. The male nude mice were administered TT-00420 with different concentration for consecutive 7 days following observation for additional 21 days. (b) HE staining of heart, liver, spleen, lung, kidney in acute toxicity analysis. The mice were administered TT-00420 with different concentration. (c) Tissue distribution analysis (left) and drug plasma concentration analysis (right) at different time points (n=3 for each time point) of TT-00420 in male nude mice after intragastric gavage at 15mg/kg loaded with 0.5%MC. The organs and serum were collected and performed LC-MS analysis after the mice were euthanized.

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Supplementary file4 (JPG 5739 KB) Figure S4, related to Fig.2 GBC-SD cells (a) and SW1990 cells (b) were subcutaneously transplanted into the flanks of male nude mice to develop tumors (n=6 for each group). After the tumor was formed, TT-00420 was administered into mice with 15mg/kg by IG gavage once a day. Mouse weight was measured every day before drug administration. Tumor size was measured once every three days and tumor weight was measured after mice were euthanized. (c) HE staining of heart, liver, spleen, lung, kidney in NOZ CDX model after administered with different concentration of TT-00420. (d) The ki67 IHC staining in GBC-SD CDX model sections.

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Supplementary file5 (JPG 953 KB) Figure S5, related to Fig.2 (a) Tumor pictures of NOZ CDX model. (b)Tumor pictures of GBC-SD CDX model. (c) Tumor picture of GBC patient-derived xenograft (PDX) model.

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Supplementary file6 (JPG 1554 KB) Figure S6, related to Fig.3 (a) Experimental workflow to analyze the proteomic and phosphoproteomic data of NOZ cells after treated with TT-00420 at 1μM for 48hr. (b) GBC cells were performed RNA-SEQ analysis after treated with TT-00420 (NOZ-1μM, GBC-SD-0.4μM, EHGB-1-0.1μM) for 24hr. Heatmap shows the Pearson Correlation Coefficients (PCC) between the different biological replicates in the transcriptome data. Statistically significantly up- and down-regulated genes were identified by limma (p-value<0.05; FoldChange≥1.2) and presented as volcano plot. Each dot represented one gene.

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Supplementary file7 (JPG 1059 KB) Figure S7, related to Fig.3 (a) Number of quantified proteins and phosphosites in 3 biological replicates of NOZ cells with different experimental conditions. (b) Principal component analysis (PCA) of proteome and phosphoproteome data. (c) Heatmap shows the Pearson Correlation Coefficients (PCC) between the different biological replicates in the proteomic and phosphoproteomic data.

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Supplementary file8 (JPG 1087 KB) Figure S8, related to Fig.3 (a) Distribution of serine, threonine and tyrosine phosphorylation sites in phosphoproteomic data. (b) Venn diagram of common downregulated proteins in both proteomic and phosphoproteomic data. (c) STRING-based analysis of potential kinase targets and common downregulated proteins. (d) Upstream transcription factors of significantly differently expressed proteins were estimated with Ingenuity Pathway Analysis (IPA). Activation z-score ≥1.5 means the TF is in activation condition. (e) Log2FoldChange of TT-00420 compared to NC on proteomic and phosphoproteomic data.

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Supplementary file9 (JPG 761 KB) Figure S9, related to Fig.4 The protein-protein interaction (PPI) network analysis of JUN with its repressed downstream target genes. The genes were imported into STRING database, and then the correlation results were exported to Cytoscape Software to draw the diagram based on the correlation degree.

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Supplementary file10 (JPG 1357 KB) Figure S10, related to Fig.5(a) The western blot analysis of GBC cells after treated TT-00420 with different concentration for 48hr. (b) The quantification analysis of western blot in Fig.5A. (c) Colony formation assay of GBC cells after treated with vehicle control, TT-00420 (0.2μM), Trametinib (0.1μM), or TT-00420/Trametinib combined (TT-00420 0.1μM, Trametinib 0.05μM). (d) Colony formation assay of GBC cells after treated with vehicle control, TT-00420 (0.2μM), SCH772984 (0.1μM), or TT-00420/SCH772984 combined (TT-00420 0.1μM, SCH772984 0.05μM).

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Supplementary file11 (JPG 1324 KB) Figure S11, related to Fig.6 Kaplan-Meier analysis of disease-free survival (DFS) and overall survival (OS) of different gastrointestinal carcinoma according to different FGFR1 mRNA level. The sequencing data was obtained from TCGA database.

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Supplementary file12 (JPG 753 KB) Figure S12 Molecular docking of FGFR1 and TT-00420 using Autodock Tools software. The predicted potential residues were TYR-654 and VAL704. The length of the possible hydrogen bonds was 3.1Å and 3.4Å, respectively.

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Supplementary file13 (JPG 1463 KB) Figure S13 (a) The GSEA analysis of RNA-SEQ data using different gene sets in NOZ cells. (b) The GSEA analysis of proteomics data using different gene sets in NOZ cells.

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Miao, H., Geng, Y., Li, Y. et al. Novel protein kinase inhibitor TT-00420 inhibits gallbladder cancer by inhibiting JNK/JUN-mediated signaling pathway. Cell Oncol. 45, 689–708 (2022). https://doi.org/10.1007/s13402-022-00692-7

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