Title : Nuclear NAD+ homeostasis governed by NMNAT1 prevents apoptosis of acute myeloid leukemia stem cells.

Pub. Date : 2021 Jul

PMID : 34290089






7 Functional Relationships(s)
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1 Nuclear NAD+ homeostasis governed by NMNAT1 prevents apoptosis of acute myeloid leukemia stem cells. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
2 We integrated whole-genome CRISPR screening and pan-cancer genetic dependency mapping to identify NAMPT and NMNAT1 as AML dependencies governing NAD+ biosynthesis. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
3 While both NAMPT and NMNAT1 were required for AML, the presence of NAD+ precursors bypassed the dependence of AML on NAMPT but not NMNAT1, pointing to NMNAT1 as a gatekeeper of NAD+ biosynthesis. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
4 While both NAMPT and NMNAT1 were required for AML, the presence of NAD+ precursors bypassed the dependence of AML on NAMPT but not NMNAT1, pointing to NMNAT1 as a gatekeeper of NAD+ biosynthesis. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
5 While both NAMPT and NMNAT1 were required for AML, the presence of NAD+ precursors bypassed the dependence of AML on NAMPT but not NMNAT1, pointing to NMNAT1 as a gatekeeper of NAD+ biosynthesis. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
6 Deletion of NMNAT1 reduced nuclear NAD+, activated p53, and increased venetoclax sensitivity. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens
7 Our findings identify NMNAT1 as a previously unidentified therapeutic target that maintains NAD+ for AML progression and chemoresistance. NAD nicotinamide nucleotide adenylyltransferase 1 Homo sapiens