What does this research mean for the field?

Loss of the histone methyltransferase KMT2D drives gastric cancer tumorigenesis and correlates with poorer survival by downregulating the transcriptional corepressor RCOR3 and activating oncogenic pathways. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research aims to clarify the role of KMT2D loss in gastric cancer development and its potential as a biomarker.

April 5, 2026Cancer Research

KMT2D Loss Drives Gastric Cancer Tumorigenesis Through RCOR3 Mechanisms

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Authors

LZLiyong ZengThe University of Texas MD Anderson Cancer Center FCFang CaoThe University of Texas MD Anderson Cancer Center CBCalena Brown-AbelThe University of Texas MD Anderson Cancer Center

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Implication

Findings reveal KMT2D loss correlates with poor survival in gastric cancer, suggesting its role in tumor progression.

Key Points

This research aims to clarify the role of KMT2D loss in gastric cancer development and its potential as a biomarker.
Examined KMT2D expression in gastric tumors and associated patient survival data.
Conducted KMT2D knockdown and reconstitution in gastric cancer cell lines to assess functional outcomes.
Utilized conditional Kmt2d deletion in mouse models to investigate the effects on gastric tissue.
Analyzed transcriptional regulatory mechanisms associated with KMT2D loss.
KMT2D expression is significantly reduced in gastric tumors and linked to poorer survival outcomes.
KMT2D-negative tumors show higher EGFR expression compared to KMT2D-positive tumors.
KMT2D knockdown enhances cancer cell proliferation, migration, and invasion.
Loss of KMT2D activates oncogenic pathways by downregulating corepressors such as RCOR3.

Cite This Study

Zeng et al. (2026) studied this question.

synapsesocial.com/papers/69d1fdbfa79560c99a0a3ee4 https://doi.org/10.1158/1538-7445.am2026-1941

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KMT2D Loss Drives Gastric Cancer Tumorigenesis Through RCOR3 Mechanisms

Discussion

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Implication

Key Points

Cite This Study

KMT2D Loss Drives Gastric Cancer Tumorigenesis Through RCOR3 Mechanisms

Discussion

Member takes

Implication

Key Points

Cite This Study

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