ArticleFrontiers in bioengineering and biotechnology2025
Development and application of a stepwise-assembled modular biomimetic lung chip for analyzing formaldehyde-induced cellular ferroptosis.
Article in Frontiers in bioengineering and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Respiratory Organ-on-a-Chip for Disease Modeling: From Architecture to Functional Integration.Advanced healthcare materials · 2026Review
- Ferroptosis in cancer: metabolism, mechanisms and therapeutic prospects.Molecular cancer · 2025Review
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Authors and funding
10 authors.
Funding
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Abstract
Formaldehyde poses a significant threat to human health, yet its toxicity assessment is limited by current detection methods. This study developed a modular biomimetic lung chip which consists of gas concentration gradient generator module and cell culture module, assembled using alignment holes and micropillars. This design enables stepwise experimental procedures, including cell loading, gas concentration gradient exposure, and cell sample collection, through the assembly and disassembly of the modules. Using this chip to investigate the formaldehyde-induced cellular ferroptosis, BEAS-2B cells were exposed to formaldehyde under a concentration gradient. Transcriptomic sequencing revealed the effects of different formaldehyde concentrations on the expression of ferroptosis-related genes in cells, identifying 12 ferroptosis-related genes (FRGS) and an enhancement of oxidative stress. The ferroptosis inhibitor (deferoxamine mesylate) significantly reduced cell death and reactive oxygen species levels, confirming the involvement of ferroptosis in formaldehyde-induced toxicity. Furthermore, deferoxamine mesylate modulated the expression of hub genes of FRGS, including
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