Title : ATM and the Mre11-Rad50-Nbs1 complex respond to nucleoside analogue-induced stalled replication forks and contribute to drug resistance.

Pub. Date : 2008 Oct 1

PMID : 18829552






3 Functional Relationships(s)
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Protein Name
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1 ATM and the Mre11-Rad50-Nbs1 complex respond to nucleoside analogue-induced stalled replication forks and contribute to drug resistance. Nucleosides RAD50 double strand break repair protein Homo sapiens
2 Using gamma-H2AX as a marker for changes in chromatin structure, we show that Mre11, Rad50, Nbs1, and phosphorylated ATM respond to nucleoside analogue-induced stalled replication forks by forming nuclear foci that colocalize with gamma-H2AX within 2 hours. Nucleosides RAD50 double strand break repair protein Homo sapiens
3 Deficiencies in ATM, Mre11, or Rad50 led to a 2- to 5-fold increase in clonogenic sensitization to gemcitabine, whereas Nbs1 and H2AX deficiency did not affect reproductive growth. gemcitabine RAD50 double strand break repair protein Homo sapiens