Studies of c-myb gene regulation in MRL-lpr/lpr mice. Identification of a 5' c-myb nuclear protein binding site and high levels of binding factors in nuclear extracts of lpr/lpr lymph node cells.


Lymph node T cells of MRL-lpr/lpr mice are characterized by the production of very large amounts of c-myb mRNA. To study the control of c-myb expression, a search was made for sites on the 5' c-myb gene which could bind regulatory proteins. DNase I digestion of nuclear chromatin uncovered four DNase I hypersensitive sites in the first intron of the c-myb… (More)


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