Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

<scp>YAP</scp> / <scp>BRD4</scp> ‐controlled <scp>ROR1</scp> promotes tumor‐initiating cells and hyperproliferation in pancreatic cancer

Masaya Yamazaki, Shinjiro Hino, Shingo Usuki, Yoshihiro Miyazaki, Tatsuya Oda, Mitsuyoshi Nakao, Takaaki Ito, Kazuya Yamagata

The EMBO Journal · 2023

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Summary

This molecular study characterises ROR1-expressing cellular subpopulations with partial epithelial-mesenchymal transition features as the origin of tumour-initiating cells in pancreatic ductal adenocarcinoma. The authors establish a mechanistic pathway whereby YAP/BRD4 complexes activate ROR1 transcription, which subsequently induces AURKB-driven proliferation through c-Myc and E2F, and demonstrate that disrupting this axis suppresses tumour growth, chemotherapy resistance, and metastasis. The findings propose ROR1 as a therapeutic target in PDAC management.

UK applicability

As a fundamental molecular oncology study with no agricultural or farming systems component, the findings are not directly applicable to UK farming practice or food production systems. However, the identified molecular pathways may inform future drug development and personalised cancer treatment approaches for pancreatic cancer patients in the UK National Health Service.

Key measures

ROR1 expression levels, tumour growth suppression, chemotherapy resistance markers, AURKB expression, YAP/BRD4 enhancer binding, E2F and c-Myc activation, metastatic potential

Outcomes reported

The study identified ROR1-expressing cells with partial epithelial-mesenchymal transition features as tumour-initiating cells in pancreatic ductal adenocarcinoma and demonstrated that ROR1 depletion suppresses tumour growth, recurrence after chemotherapy, and metastasis. The authors characterised the mechanistic pathway whereby YAP/BRD4 complexes activate ROR1 transcription, leading to AURKB-mediated proliferation through E2F and c-Myc signalling.

Theme
Nutrition & health
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory / in vitro and mechanistic molecular study
Source type
Peer-reviewed study
Status
Published
System type
Human clinical
DOI
10.15252/embj.2022112614
Catalogue ID
SNmoi8o6o8-8soteh

Topic tags

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