RRC ID 81768
Author Kawatani M, Aono H, Shimizu T, Ohkura S, Hiranuma S, Muroi M, Ogawa N, Ohishi T, Ohba SI, Kawada M, Yamazaki K, Dan S, Osada H.
Title Identification of Dihydroorotate Dehydrogenase Inhibitors─Indoluidins─That Inhibit Cancer Cell Growth.
Journal ACS Chem Biol
Abstract Dihydroorotate dehydrogenase (DHODH) catalyzes the rate-limiting step in de novo pyrimidine biosynthesis and is a promising cancer treatment target. This study reports the identification of indoluidin D and its derivatives as inhibitors of DHODH. Cell-based phenotypic screening revealed that indoluidin D promoted myeloid differentiation and inhibited the proliferation of acute promyelocytic leukemia HL-60 cells. Indoluidin D also suppressed cell growth in various other types of cancer cells. Cancer cell sensitivity profiling with JFCR39 and proteomic profiling with ChemProteoBase revealed that indoluidin D is a DHODH inhibitor. Indoluidin D inhibited human DHODH activity in vitro; the DHODH reaction product orotic acid rescued indoluidin D-induced cell differentiation. We synthesized several indoluidin D diastereomer derivatives and demonstrated that stereochemistry was vital to their molecular activity. The indoluidin D derivative indoluidin E showed similar activity to its parent compound and suppressed tumor growth in a murine lung cancer xenograft model. Hence, indoluidin D and its derivatives selectively inhibit DHODH and suppress cancer cell growth.
Volume 16(11)
Pages 2570-2580
Published 2021-11-19
DOI 10.1021/acschembio.1c00625
PMID 34730931
MeSH Animals Antineoplastic Agents / chemistry Antineoplastic Agents / pharmacology* Cell Differentiation / drug effects Cell Line, Tumor Cell Proliferation / drug effects* Databases, Protein Dihydroorotate Dehydrogenase / antagonists & inhibitors* Enzyme Inhibitors / chemistry Enzyme Inhibitors / pharmacology* Humans Mice Proteomics Stereoisomerism Xenograft Model Antitumor Assays
Resource
Human and Animal Cells 1B2C6(RCB0795) 1C3D3(RCB0796) MIA Paca2(RCB0294) OS-RC-2(RCB0735) MG-63(RCB1890) Saos-2(RCB0428) K562(RCB0027) A431 Hep G2 A549 HeLa Jurkat HL-60