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

Conditional <i>Ror1</i> knockout reveals crucial involvement in lung adenocarcinoma development and identifies novel HIF‐1α regulator

Hisanori Isomura, Ayumu Taguchi, Taisuke Kajino, Naoya Asai, Masahiro Nakatochi, Seiichi Kato, Keiko Suzuki, Kiyoshi Yanagisawa, Motoshi Suzuki, Teruaki Fujishita, Tomoya Yamaguchi, Masahide Takahashi, Takashi Takahashi

Cancer Science · 2021

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Summary

This study employed conditional knockout mice and human cell line models to establish that ROR1 is essential for lung adenocarcinoma development and progression. Ror1 ablation significantly retarded tumour growth and improved survival, whilst mechanistic analysis revealed that ROR1 functions as a novel positive regulator of HIF-1α, both under baseline conditions and in response to hypoxic stress. The findings suggest ROR1 represents a promising therapeutic target for solid tumours characterised by hypoxic microenvironments.

UK applicability

As a laboratory study using transgenic mouse models and human cell lines, the findings are not directly applicable to UK farming or food systems. However, the mechanistic insights into HIF-1α regulation may inform future cancer research and therapeutic development in UK clinical and research settings.

Key measures

Tumour development rate, tumour progression, survival time, malignant characteristics, HIF-1α protein expression under normoxia and hypoxia, hypoxia-induced gene set expression (HALLMARK_HYPOXIA)

Outcomes reported

The study evaluated tumour development, progression, malignant characteristics and survival outcomes in genetically engineered mice with Ror1 ablation. Additionally, the research measured HIF-1α expression levels under normoxic and hypoxic conditions in human lung adenocarcinoma cell lines.

Theme
Nutrition & health
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory study with genetically engineered mouse models and in vitro cell line experiments
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1111/cas.14825
Catalogue ID
BFmohg5end-ofluem

Topic tags

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