Abstract:
:A procedure suitable for cloning labile mRNAs that contain AU motifs is presented (AU-DD). These motifs are regulatory sequences within the so-called AU-rich elements (AREs) often found in 3' untranslated regions of genes such as cytokines, proto-oncogenes, and transcription factors. AU-DD is an AU-motif-directed differential display that permits the identification of ARE-containing genes differentially expressed after cell activation. It has been applied to peripheral blood monocytes and a T cell clone to isolate 59 cDNA fragments associated to activation. Fourteen percent of isolated fragments belong to already known genes that certainly are cytokines and transduction/transcription factors. The remaining 86% correspond to unknown genes of which 92% have been confirmed to be differentially expressed. These data demonstrate the efficiency of the system and support the notion that numerous genes falling into those categories remain unidentified and that they can be cloned by this method.
journal_name
Genomicsjournal_title
Genomicsauthors
Dominguez O,Ashhab Y,Sabater L,Belloso E,Caro P,Pujol-Borrell Rdoi
10.1006/geno.1998.5548subject
Has Abstractpub_date
1998-12-01 00:00:00pages
278-86issue
2eissn
0888-7543issn
1089-8646pii
S0888-7543(98)95548-3journal_volume
54pub_type
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