An erythroid-specific, developmental-stage-independent enhancer far upstream of the human 'β-like globin' genes

Dorothy Tuan Lo, W. B. Solomon, I. M. London, D. P. Lee

Research output: Contribution to journalArticle

197 Citations (Scopus)

Abstract

We have identified an erythroid-specific enhancer element far upstream of the human 'β-like globin' genes, at 10.2-11.0 kilobases 5' of the embryonic ε-globin gene, and thus at 53-54 kilobases 5' of the adult β-globin gene. It is capable of enhancing the expression of a cis-linked test gene by up to 300-fold. This enhancer element is apparently developmental-stage-independent, as it is functional at the embryonic and the adult developmental stages in erythroid cells that are expressing the respective β-like globin genes. The enhancer and globin promoter sequences work in synergy and are capable of conferring on a cis-linked gene the high transcriptional efficiency (enhancer function), erythroid specificity (enhancer and promoter functions), and developmental-stage specificity (promoter function) that are characteristic of the in vivo transcription of the β-like globin genes in erythroid cells.

Original languageEnglish (US)
Pages (from-to)2554-2558
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume86
Issue number8
DOIs
StatePublished - Jan 1 1989

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Globins
Genes
Erythroid Cells
Genetic Complementation Test

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An erythroid-specific, developmental-stage-independent enhancer far upstream of the human 'β-like globin' genes. / Tuan Lo, Dorothy; Solomon, W. B.; London, I. M.; Lee, D. P.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 86, No. 8, 01.01.1989, p. 2554-2558.

Research output: Contribution to journalArticle

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