Bidirectional regulation of mitochondrial gene expression during developmental neuroplasticity of visual cortex.

Abstract:

:The first several months of life are a critical period for neuronal plasticity in the visual cortex, during which anatomical and physiological development depends upon visual experience. Rearing in darkness slows the time course of this critical period, such that at 5 weeks normal cats are more plastic than dark-reared cats, while at 20 weeks dark-reared cats are more plastic. This study reports the identification of a subset of mitochondrial genes that are regulated in this manner. Opponent patterns of bidirectional expression were found: several genes (ATPase 6, cytochrome b, NADH dehydrogenase subunits 4 and 2) showed elevation in normal cats at 5 weeks and in dark-reared cats at 20 weeks ("plasticity" genes); others (NADH dehydrogenase subunits 3 and 5) showed the opposite ("anti-plasticity" genes). These findings add a new dimension to the growing evidence that changes in mitochondrial gene expression are involved in the neuroplastic response.

authors

Yang C,Silver B,Ellis SR,Mower GD

doi

10.1006/bbrc.2001.5706

subject

Has Abstract

pub_date

2001-10-12 00:00:00

pages

1070-4

issue

5

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(01)95706-7

journal_volume

287

pub_type

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