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The microcephaly protein Abnormal Spindle has an essential role in symmetrically dividing neural precursors to promote brain growth and development

delete2026-04-21
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PRE
AI
S
Shalini Chakraborty
S
Steven Florez
J
Jack Govaerts
A
Abigail Hawke
T
Todd A. Schoborg *
DOI:10.1016/j.ydbio.2026.04.014delete
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Abstract

Abstract

En 中文
• Asp expression in symmetrically dividing neuroepithelial cells (NECs) can rescue optic lobe brain size and morphology defects in asp mutants. • Asp expression in asymmetrically dividing neuroblasts cannot rescue optic lobe brain size or morphology defects in asp mutants. • Expression of Asp in NECs is only required during the second neurogenesis phase to promote proper adult brain development. • The human ortholog of Asp (ASPM) can significantly rescue fly optic lobe brain growth defects, suggesting conservation of function between Drosophila and humans. • Asp’s nuclear localization is not required for brain growth and development.
Keywords:
Asp
neuroepithelial cells
asymmetric division
brain development
ASPM

Journal

Developmental Biology cover
Developmental Biology
IF:
2.1
Papers:
393
Citations:
2.2W

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