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Articles by Robin Reed in JoVE

 JoVE General

בקנה מידה קטן תמציות גרעיני עבור מבחני פונקציונלית של הגן ביטוי Machineries


JoVE 4140 6/27/2012

Department of Cell Biology, Harvard Medical School

פרוטוקול להכנת חזקים, בקנה מידה קטן תמציות הלה גרעיני מתואר. פרוטוקול זה הוא בעל ערך עבור מבחני הדורשים שימוש של אוכלוסיות קטנות של תאים, כגון תאים שטופלו בתרופות או RNAi. השיטה צריכה להיות ישים למגוון רחב של ביטוי גנים מבחני סוגי תאים אחרים, כולל תאים חולים.

Other articles by Robin Reed on PubMed

The Anti-tumor Drug E7107 Reveals an Essential Role for SF3b in Remodeling U2 SnRNP to Expose the Branch Point-binding Region

Duplex formation between the branch point-binding region (BBR) of U2 snRNA and the branch point sequence (BPS) in the intron is essential for splicing. Both the BBR and BPS interact with the U2 small nuclear ribonucleoprotein (snRNP)-associated SF3b complex, which is the target of the anti-tumor drug E7107. We show that E7107 blocks spliceosome assembly by preventing tight binding of U2 snRNP to pre-mRNA. E7107 has no apparent effect on U2 snRNP integrity. Instead, E7107 abolishes an ATP-dependent conformational change in U2 snRNP that exposes the BBR. We conclude that SF3b is required for this remodeling, which exposes the BBR for tight U2 snRNP binding to pre-mRNA.

SF3B1 and Other Novel Cancer Genes in Chronic Lymphocytic Leukemia

The somatic genetic basis of chronic lymphocytic leukemia, a common and clinically heterogeneous leukemia occurring in adults, remains poorly understood.

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