Related Experiment Video
Updated: Jan 14, 2026
08:09
Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
Published on: January 7, 2014
7.9K
TOM70-Mitochondrial Pathway Reduction Mediates DEHP-Induced Neuroinflammation in Mice
Hong-Mei Zhu1, Ming-Shan Chen1, Muhammad Asmat Ullah Saleem1
1College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China.
Journal of Agricultural and Food Chemistry
|January 12, 2026
Summary
Di(2-ethylhexyl) phthalate (DEHP) harms brain cells and reduces neuron counts. The translocase of the outer mitochondrial membrane 70 (TOM70) may protect against DEHP-induced neuroinflammation.
Area of Science:
- Neuroscience
- Toxicology
- Cell Biology
Background:
- Di(2-ethylhexyl) phthalate (DEHP) is a widespread plasticizer.
- Mitochondrial protein import, mediated by TOM70, is crucial for cellular function.
- Microglia play a key role in neuroinflammation.
Purpose of the Study:
- To investigate DEHP's neurotoxic effects.
- To explore the protective role of TOM70 in DEHP-induced microglial responses.
- To understand the mechanisms underlying DEHP neurotoxicity.
Main Methods:
- Mice were exposed to varying doses of DEHP for 28 days.
- Histological analysis assessed brain cell damage (counts, density, morphology, mitochondrial integrity).
- Expression levels of TOM70 and Nrf2 pathway components were analyzed.
Main Results:
- DEHP exposure led to reduced cortical cell counts, decreased cell density, and morphological damage.
- Mitochondrial damage was observed, with severity correlating to DEHP dosage.
- DEHP inhibited TOM70 expression and suppressed the Nrf2 pathway.
Conclusions:
- DEHP induces neuroinflammation and mitochondrial damage in brain cells.
- TOM70 inhibition and Nrf2 pathway suppression are implicated in DEHP's toxicity.
- TOM70 represents a potential therapeutic target against DEHP-induced neurotoxicity and neurodegenerative diseases.
