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

Overexpression of miR‐199/214 is a distinctive feature of iron‐induced and asbestos‐induced sarcomatoid mesothelioma in rats

Yasumasa Okazaki, Shan Hwu Chew, Hirotaka Nagai, Yoriko Yamashita, Hiroki Ohara, Li Jiang, Shinya Akatsuka, Takashi Takahashi, Shinya Toyokuni

Cancer Science · 2020

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Summary

This laboratory study examined microRNA expression patterns in rat models of malignant mesothelioma induced by iron saccharate and asbestos exposure, using microarray analysis to identify molecular signatures associated with specific histological subtypes. The authors report that miR-199/214 overexpression is a distinctive feature of the sarcomatoid form of both iron-induced and asbestos-induced mesothelioma, suggesting potential utility as a biomarker or pathogenic mechanism. The findings contribute to understanding particle-induced carcinogenesis, possibly via reactive oxygen species generation during chronic inflammation.

UK applicability

This laboratory research on mesothelioma pathogenesis is of limited direct relevance to UK farming systems or food production. However, findings on occupational asbestos exposure and industrial particulates may inform UK occupational health policy and worker protection frameworks.

Key measures

MicroRNA expression profiles measured by microarray analysis; histological classification of mesothelioma subtypes; comparison of expression patterns between iron-induced and asbestos-induced tumours

Outcomes reported

The study identified miR-199/214 overexpression as a distinctive molecular feature of sarcomatoid mesothelioma induced by iron saccharate and asbestos in rat models. Microarray analysis was used to characterise microRNA expression profiles across different mesothelioma histological subtypes.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory experimental study
Source type
Peer-reviewed study
Status
Published
Geography
Japan
System type
Laboratory / in vitro
DOI
10.1111/cas.14405
Catalogue ID
BFmobghnj9-0kbnm8

Topic tags

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