TAK1 expression is associated with increased PD-L1 and decreased cancer-specific survival in microsatellite-stable colorectal cancer
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View abstract on PubMed
Summary
This summary is machine-generated.Transforming growth factor β-activated protein kinase-1 (TAK1) punctate staining indicates poor survival in colorectal cancer. This finding highlights TAK1 signaling as a potential target for understanding cancer recurrence, especially in microsatellite-stable cases.
Area Of Science
- Oncology
- Molecular Biology
- Cancer Research
Background
- Transforming growth factor β-activated protein kinase-1 (TAK1) is implicated in MAPK and NFκB pathways, and its role in colorectal cancer (CRC) is under investigation.
- Understanding TAK1 expression patterns, specifically cytoplasmic and juxtanuclear punctate staining, is crucial for predicting CRC outcomes.
Purpose Of The Study
- To investigate the relationship between cytoplasmic and juxtanuclear punctate TAK1 staining and immune checkpoint expression in colorectal cancer.
- To determine the correlation of TAK1 expression patterns with cancer-specific survival in CRC patients.
Main Methods
- Immunohistochemistry was used to assess TAK1 protein expression on colorectal cancer tissue microarrays.
- Digital quantification (QuPath) and manual scoring were employed for cytoplasmic and punctate TAK1 staining, respectively.
- Correlations with clinicopathological features, immune checkpoint markers (PD1, PD-L1), and survival were analyzed, alongside bulk RNA sequencing for mutational and gene expression profiles.
Main Results
- Higher cytoplasmic TAK1 correlated with increased PD1 and PD-L1 expression (p < 0.010).
- Poorly differentiated CRCs more frequently exhibited high punctate TAK1 expression (p = 0.036).
- High punctate TAK1 independently predicted poor cancer-specific survival (HR 2.690, p = 0.002) and was linked to dysregulated mutational profiles and decreased IGF2 expression (p < 0.010).
- The association between punctate TAK1 and recurrence persisted in microsatellite-stable CRC (p = 0.028).
Conclusions
- Punctate TAK1 expression is a significant indicator of worse cancer-specific survival in colorectal cancer.
- TAK1 signaling pathways warrant further investigation for elucidating mechanisms of recurrence, particularly in microsatellite-stable colorectal cancer.
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