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

Thyroid transcription factor‐1‐regulated <i> micro <scp>RNA</scp> ‐532‐5p </i> targets <i> <scp>KRAS</scp> </i> and <i> <scp>MKL</scp> 2 </i> oncogenes and induces apoptosis in lung adenocarcinoma cells

Sebastian Griesing, Taisuke Kajino, Mei-Chee Tai, Zhuoran Liu, Masahiro Nakatochi, Yukako Shimada, Motoshi Suzuki, Takashi Takahashi

Cancer Science · 2017

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Summary

This molecular oncology study identifies microRNA-532-5p as a novel TTF-1-regulated transcriptional target that functions as a tumour suppressor in lung adenocarcinoma. Through integrative analysis of patient tumours and cell line models, the authors demonstrate that miR-532-5p directly targets KRAS and MKL2 oncogenes and induces apoptosis, with differential effects on MEK-ERK pathway signalling depending on MKL2 function rather than KRAS mutation status. The findings suggest miR-532-5p may have therapeutic potential in lung adenocarcinoma treatment.

UK applicability

As a fundamental molecular oncology study, the findings are not directly applicable to UK farming systems, soil health, or food production practices. The work may inform future cancer therapeutic development with potential UK clinical applications, but lies outside the primary scope of agricultural and food systems research.

Key measures

miR-532-5p expression levels; apoptosis induction; KRAS and MKL2 expression; MEK-ERK pathway signalling

Outcomes reported

The study identified microRNA-532-5p as a direct transcriptional target of TTF-1 and demonstrated that it suppresses lung adenocarcinoma cell growth by targeting KRAS and MKL2 oncogenes. Introduction of miR-532-5p mimics markedly induced apoptosis in both KRAS-mutant and wild-type lung adenocarcinoma cell lines.

Theme
Nutrition & health
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory study combining in vivo tumour expression profiling with inducible cell line models
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1111/cas.13271
Catalogue ID
BFmohg5end-1zd6ua

Topic tags

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