Abstract:
:To sustain their proliferation, cancer cells become dependent on one-carbon metabolism to support purine and thymidylate synthesis. Indeed, one of the most highly upregulated enzymes during neoplastic transformation is MTHFD2, a mitochondrial methylenetetrahydrofolate dehydrogenase and cyclohydrolase involved in one-carbon metabolism. Because MTHFD2 is expressed normally only during embryonic development, it offers a disease-selective therapeutic target for eradicating cancer cells while sparing healthy cells. Here we report the synthesis and preclinical characterization of the first inhibitor of human MTHFD2. We also disclose the first crystal structure of MTHFD2 in complex with a substrate-based inhibitor and the enzyme cofactors NAD+ and inorganic phosphate. Our work provides a rationale for continued development of a structural framework for the generation of potent and selective MTHFD2 inhibitors for cancer treatment. Cancer Res; 77(4); 937-48. ©2017 AACR.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Gustafsson R,Jemth AS,Gustafsson NM,Färnegårdh K,Loseva O,Wiita E,Bonagas N,Dahllund L,Llona-Minguez S,Häggblad M,Henriksson M,Andersson Y,Homan E,Helleday T,Stenmark Pdoi
10.1158/0008-5472.CAN-16-1476subject
Has Abstractpub_date
2017-02-15 00:00:00pages
937-948issue
4eissn
0008-5472issn
1538-7445pii
0008-5472.CAN-16-1476journal_volume
77pub_type
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