Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress
Abstract The emergence of new primate-specific genes is an essential factor in human and primate brain development and functioning. POU2F1/Oct-1 is a transcription regulator in higher eukaryotes which is involved in the regulation of development, differentiation, stress response, and other processes...
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2021
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oai:doaj.org-article:c13c9db2f4e44f64b2fae23a9f111aaa2021-12-02T15:15:05ZPrimate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress10.1038/s41598-021-98323-y2045-2322https://doaj.org/article/c13c9db2f4e44f64b2fae23a9f111aaa2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98323-yhttps://doaj.org/toc/2045-2322Abstract The emergence of new primate-specific genes is an essential factor in human and primate brain development and functioning. POU2F1/Oct-1 is a transcription regulator in higher eukaryotes which is involved in the regulation of development, differentiation, stress response, and other processes. We have demonstrated that the Tigger2 transposon insertion into the POU2F1 gene which occurred in the primate lineage led to the formation of an additional exon (designated the Z-exon). Z-exon-containing primate-specific Oct-1Z transcript includes a short upstream ORF (uORF) located at its 5’-end and the main ORF encoding the Oct-1Z protein isoform (Pou2F1 isoform 3, P14859-3), which differs from other Oct-1 isoforms by its N-terminal peptide. The Oct-1Z-encoding transcript is expressed mainly in human brain cortex. Under normal conditions, the translation of the ORF coding for the Oct-1Z isoform is repressed by uORF. Under various stress conditions, uORF enables a strong increase in the translation of the Oct-1Z-encoding ORF. Increased Oct-1Z expression levels in differentiating human neuroblasts activate genes controlling stress response, neural cell differentiation, brain formation, and organogenesis. We have shown that the Oct-1Z isoform of the POU2F1/Oct-1 transcription factor is an example of a primate-specific genomic element contributing to brain development and cellular stress defense.Alexander G. StepchenkoTatiana N. PortsevaIvan A. GlukhovAlina P. KotnovaBella M. LyanovaSofia G. GeorgievaElizaveta V. PankratovaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021) |
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Medicine R Science Q Alexander G. Stepchenko Tatiana N. Portseva Ivan A. Glukhov Alina P. Kotnova Bella M. Lyanova Sofia G. Georgieva Elizaveta V. Pankratova Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
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Abstract The emergence of new primate-specific genes is an essential factor in human and primate brain development and functioning. POU2F1/Oct-1 is a transcription regulator in higher eukaryotes which is involved in the regulation of development, differentiation, stress response, and other processes. We have demonstrated that the Tigger2 transposon insertion into the POU2F1 gene which occurred in the primate lineage led to the formation of an additional exon (designated the Z-exon). Z-exon-containing primate-specific Oct-1Z transcript includes a short upstream ORF (uORF) located at its 5’-end and the main ORF encoding the Oct-1Z protein isoform (Pou2F1 isoform 3, P14859-3), which differs from other Oct-1 isoforms by its N-terminal peptide. The Oct-1Z-encoding transcript is expressed mainly in human brain cortex. Under normal conditions, the translation of the ORF coding for the Oct-1Z isoform is repressed by uORF. Under various stress conditions, uORF enables a strong increase in the translation of the Oct-1Z-encoding ORF. Increased Oct-1Z expression levels in differentiating human neuroblasts activate genes controlling stress response, neural cell differentiation, brain formation, and organogenesis. We have shown that the Oct-1Z isoform of the POU2F1/Oct-1 transcription factor is an example of a primate-specific genomic element contributing to brain development and cellular stress defense. |
format |
article |
author |
Alexander G. Stepchenko Tatiana N. Portseva Ivan A. Glukhov Alina P. Kotnova Bella M. Lyanova Sofia G. Georgieva Elizaveta V. Pankratova |
author_facet |
Alexander G. Stepchenko Tatiana N. Portseva Ivan A. Glukhov Alina P. Kotnova Bella M. Lyanova Sofia G. Georgieva Elizaveta V. Pankratova |
author_sort |
Alexander G. Stepchenko |
title |
Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
title_short |
Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
title_full |
Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
title_fullStr |
Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
title_full_unstemmed |
Primate-specific stress-induced transcription factor POU2F1Z protects human neuronal cells from stress |
title_sort |
primate-specific stress-induced transcription factor pou2f1z protects human neuronal cells from stress |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/c13c9db2f4e44f64b2fae23a9f111aaa |
work_keys_str_mv |
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