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Related Experiment Video

Updated: Dec 10, 2025

Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain

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ABHD4-dependent developmental anoikis safeguards the embryonic brain.

Zsófia I László^1,2, Zsolt Lele¹, Miklós Zöldi^1,2

¹Momentum Laboratory of Molecular Neurobiology, Institute of Experimental Medicine, 1450 Budapest Pf. 67., Budapest, Hungary.

Nature Communications

|September 2, 2020

Summary

Developmental anoikis, a process mediated by ABHD4, distinguishes pathological progenitor cell detachment from normal neuroblast delamination in the developing brain. This mechanism protects the embryonic brain from malformations caused by errors and insults.

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Last Updated: Dec 10, 2025

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Area of Science:

Neuroscience
Developmental Biology
Cell Biology

Background:

The developing brain contains a specialized neurogenic niche with millions of progenitor cells.
Post-mitosis, daughter cells delaminate from the germinative zone; however, brain malformations from misplaced cells are rare.

Purpose of the Study:

To identify mechanisms distinguishing normal delamination from pathological progenitor cell detachment.
To investigate the role of abhydrolase domain containing 4 (ABHD4) in embryonic brain development and malformation prevention.

Main Methods:

Investigated progenitor cell behavior in the developing mouse neocortex.
Utilized molecular and cellular techniques to study cell detachment and elimination pathways.
Examined the role of ABHD4 in developmental anoikis and apoptosis.

Main Results:

Introduced the concept of 'developmental anoikis' to describe pathological cell detachment.
Identified ABHD4 as crucial for eliminating pathologically detached progenitor cells.
Demonstrated that ABHD4 downregulation is essential for normal neuroblast survival.
Showed ABHD4 mediates fetal alcohol-induced apoptosis but not normal programmed cell death.

Conclusions:

ABHD4-mediated developmental anoikis is a protective mechanism against embryonic brain malformations.
This process specifically targets sporadic delamination errors and teratogenic insults.
ABHD4 plays a critical role in maintaining neural progenitor cell homeostasis during development.