Bax and Bcl-XL apoptosis protein mRNA in rat brain stem and cortex during ontogeny.

Bull Exp Biol Med

Laboratory of Genetic Base of Neuroendocrine Regulation, Institute of Cytology and Genetics, Siberian Division of Russian Academy of Sciences, Novosibirsk, Moscow.

Published: June 2005

AI Article Synopsis

  • Bax mRNA levels in the fetal rat brain stem rise by day 40 and then decline, while Bcl-XL mRNA reaches adult levels in about a month.
  • In the cerebral cortex, Bax mRNA decreases from day 8 to day 90, while Bcl-XL mRNA remains stable.
  • The Bcl-XL/Bax mRNA ratio suggests that cortical cells are more prepared for apoptosis compared to brain stem cells.

Article Abstract

Bax mRNA level in fetal rat brain stem increases by day 40 of life and then decreases, while level of Bcl-XL mRNA reaches the adult value over one month. Bax mRNA level in the cerebral cortex decreases from day 8 to day 90 of life, while Bcl-XL mRNA level does not change. Judging from Bcl-XL/Bax mRNA ratio, cortical cells exhibit higher readiness to apoptosis than brain stem cells.

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http://dx.doi.org/10.1007/s10517-005-0383-2DOI Listing

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