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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Zhang, Yixun Yang, Yumeng Qi, Xuan Cui, Peng Kang, Yi Liu, Haiyi Wei, Zhigang Wang, Haibo |
| Abstract | Background Colorectal cancer (CRC) metachronous liver metastasis is a significant clinical challenge, largely attributable to the late detection and the intricate molecular mechanisms that remain poorly understood. This study aims to elucidate the role of Solute Carrier Family 14 Member 1 (SLC14A1) in the pathogenesis and progression of CRC metachronous liver metastasis. Methods We conducted a comprehensive analysis of CRC patient data from The Cancer Genome Atlas and GSE40967 databases, focusing on the differential expression of genes associated with non-metachronous liver metastasis and metachronous liver metastasis. Functional assays, both in vitro and in vivo, were performed to assess the biological impact of SLC14A1 modulation in CRC cells. Gene set enrichment analysis, molecular assays and immunohistochemical analyses on clinical specimens were employed to unravel the underlying mechanisms through which SLC14A1 exerts its effects. Results SLC14A1 was identified as a differentially expressed gene, with its overexpression significantly correlating with poor relapse-free and overall survival. Mechanistically, elevated SLC14A1 levels enhanced CRC cell invasiveness and migratory abilities, corroborated by upregulated TGF-β/Smad signaling and Epithelial-Mesenchymal Transition. SLC14A1 interacted with TβRII and stabilized TβRII protein, impeding its Smurf1-mediated K48-linked ubiquitination and degradation, amplifying TGF-β/Smad signaling. Furthermore, TGF-β1 reciprocally elevated SLC14A1 mRNA expression, with Snail identified as a transcriptional regulator, binding downstream of SLC14A1’s transcription start site, establishing a positive feedback loop. Clinically, SLC14A1, phosphorylated Smad2, and Snail were markedly upregulated in CRC patients with metachronous liver metastasis, underscoring their potential as prognostic markers. Conclusions Our findings unveil SLC14A1 as a critical regulator in CRC metachronous liver metastasis, providing novel insights into the molecular crosstalk between SLC14A1 and TGF-β/Smad signaling. These discoveries not only enhance our understanding of CRC metachronous liver metastasis pathogenesis, but also highlight SLC14A1 as a promising target for therapeutic intervention and predictive marker. |
| Related Links | https://jeccr.biomedcentral.com/counter/pdf/10.1186/s13046-024-03114-8.pdf |
| Ending Page | 20 |
| Page Count | 20 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17569966 |
| DOI | 10.1186/s13046-024-03114-8 |
| Journal | Journal of Experimental & Clinical Cancer Research |
| Issue Number | 1 |
| Volume Number | 43 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-07-27 |
| Access Restriction | Open |
| Subject Keyword | Cancer Research Immunology Apoptosis Oncology SLC14A1 TGF-β/Smad signaling Colorectal cancer Metachronous liver metastasis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Oncology Cancer Research |
| Journal Impact Factor | 11.4/2023 |
| 5-Year Journal Impact Factor | 11.4/2023 |
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