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A Common Human β Globin Splicing Mutation Modeled in Mice
Journal article   Open access   Peer reviewed

A Common Human β Globin Splicing Mutation Modeled in Mice

Jade Lewis, Baoli Yang, Ronald Kim, Halina Sierakowska, Ryszard Kole, Oliver Smithies and Nobuyo Maeda
Blood, Vol.91(6), p.2152
03/15/1998
DOI: 10.1182/blood.V91.6.2152.2152_2152_2156
PMID: 09490703
url
https://doi.org/10.1182/blood.V91.6.2152.2152_2152_2156View
Published (Version of record) Open Access

Abstract

The betaIVS-2-654 C-->T mutation accounts for approximately 20% of beta thalassemia mutations in southern China; it causes aberrant RNA splicing and leads to beta0 thalassemia. To provide an animal model for testing therapies for correcting splicing defects, we have used the "plug and socket" method of gene targeting in murine embryonic stem cells to replace the two (cis) murine adult beta globin genes with a single copy of the human betaIVS-2-654 gene. No homozygous mice survive postnatally. Heterozygous mice carrying this mutant gene produce reduced amounts of the mouse beta globin chains and no human beta globin, and have a moderate form of beta thalassemia. The heterozygotes show the same aberrant splicing as their human counterparts and provide an animal model for testing therapies to correct splicing defects at either the RNA or DNA level.
Gene Targeting Stem Cells China Cell Line Humans Mice, Inbred C57BL RNA Precursors - genetics Mice, Knockout Genes, Lethal Point Mutation Globins - genetics RNA Splicing Animals Heterozygote Mice Mice, Inbred BALB C Chimera Disease Models, Animal

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