Abstract
We demonstrate that transfer of a yeast artificial chromosome (YAC) containing 230 kb of the human beta-globin locus into mouse erythroleukemia cells by fusion results in correct developmental regulation of the human beta-like globin genes. Additionally, we show that early after hybrid formation, human embryonic epsilon- and fetal gamma-globin genes are coexpressed with the adult beta gene but that after 10-20 weeks in culture, globin gene expression switches to predominantly adult. Thus, in contrast to shorter gene constructs, the globin genes of the beta-globin locus YAC are regulated like the chromosomal globin genes. These results indicate that transfer of YACs into established cell lines can be used for the analysis of the developmental control of multigenic and developmentally regulated human loci.
MeSH Terms
Animals
Chromosomes, Artificial, Yeast
Gene Expression Regulation
Gene Transfer Techniques
Globins/genetics
Humans
Leukemia, Erythroblastic, Acute/genetics
Mice
RNA, Messenger/genetics
Transcriptional Activation
Chemicals
RNA, Messenger
Globins
Authors & Affiliations
8 authors, click to expand affiliations / ORCID
Peterson K R
Division of Medical Genetics, University of Washington, Seattle 98195.
Zitnik G
Huxley C
Lowrey C H
Gnirke A
Leppig K A
Papayannopoulou T
Stamatoyannopoulos G
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