Details

Autor(en) / Beteiligte

• Jacobs, David B.
• Mandelin, Arthur M.
• Giordano, Tony
• Xue, Iris
• Malter, James S.
• Singh, Leelabai D.
• Snyder, Ann K.
• Singh, Sant P.

Titel

AUUUA-specific mRNA binding proteins in astrocytes

Ist Teil von

• Life sciences (1973), 1996, Vol.58 (23), p.2083-2089

Ort / Verlag

Netherlands: Elsevier Inc

Erscheinungsjahr

1996

Link zum Volltext

Quelle

Elsevier Journal Backfiles on ScienceDirect (DFG Nationallizenzen)

Beschreibungen/Notizen

• Binding of ribonucleoproteins to specific regions of mRNA can alter mRNA stability. This level of posttranscriptional regulation has been shown to play a major role in gene expression of eukaryotic cells. This process involves the binding of ribonucleoproteins to specific region(s) of unstable, rapidly degrading mRNAs such as those found in various cytokines, lymphokines, and oncogenes, thereby increasing the mRNA's stability. In many instances the instability of the mRNA has been mapped to an AU-rich motif in the 3′ untranslated region. We transcribed RNA molecules containing four reiterations of an AUUUA motif, and demonstrated with RNA- band shift experiments that the AUUUA motif complexes with phosphorylated AUUUA-specific 43–47 kDa mRNA binding protein(s) found in the cytosol of both rat brain and cultured rat astrocytes.