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Title: Small-molecule targeting of MUSASHI RNA-binding activity in acute myeloid leukemia

Journal Article · · Nature Communications
 [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [3];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [4];  [1];  [1];  [1]; ORCiD logo [5];  [6];  [4];  [7];  [7];  [1] more »;  [1];  [1];  [8];  [8];  [9]; ORCiD logo [10]; ORCiD logo [10];  [11]; ORCiD logo [10];  [10]; ORCiD logo [10]; ORCiD logo [1] « less
  1. Memorial Sloan Kettering Cancer Center, New York, NY (United States)
  2. Cornell Univ., Ithaca, NY (United States). Weill Medical College; Rockefeller Univ., New York, NY (United States); Memorial Sloan Kettering Cancer Center, New York, NY (United States). Sloan Kettering Institute
  3. Cornell Univ., Ithaca, NY (United States). Weill Cornell Graduate School of Medical Sciences
  4. Memorial Sloan Kettering Cancer Center, New York, NY (United States); Cornell Univ., Ithaca, NY (United States). Weill Medical College
  5. Schrodinger GmbH, Manheim (Germany)
  6. Memorial Sloan Kettering Cancer Center, New York, NY (United States); Cornell Univ., Ithaca, NY (United States). Weill Medical College; Rockefeller Univ., New York, NY (United States)
  7. Rockefeller Univ., New York, NY (United States)
  8. Northern Ontario School of Medicine, Sudbury, ON (Canada)
  9. New York Structural Biology Center, New York, NY (United States)
  10. Memorial Sloan Kettering Cancer Center, New York, NY (United States). Sloan Kettering Institute
  11. Schrodinger Inc., New York, NY (United States)

The MUSASHI (MSI) family of RNA binding proteins (MSI1 and MSI2) contribute to a wide spectrum of cancers including acute myeloid leukemia. We find that the small molecule Ro 08–2750 (Ro) binds directly and selectively to MSI2 and competes for its RNA binding in biochemical assays. Ro treatment in mouse and human myeloid leukemia cells results in an increase in differentiation and apoptosis, inhibition of known MSI-targets, and a shared global gene expression signature similar to shRNA depletion of MSI2. Ro demonstrates in vivo inhibition of c-MYC and reduces disease burden in a murine AML leukemia model. Thus, we identify a small molecule that targets MSI’s oncogenic activity. Our study provides a framework for targeting RNA binding proteins in cancer.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE; National Institutes of Health (NIH); Commonwealth Foundation for Cancer Research; Memorial Sloan Kettering Cancer Center
Grant/Contract Number:
AC02–06CH11357; NIDDK NIH R01-DK101989–01A1; NCI 1R01CA193842–01; P30 CA08748; R01 GM121505; T32GM007739; T32 CA062948-Gudas; P30-CA008748; P41GM103403; HEI-S10RR029205; CO6RR015495
OSTI ID:
1561312
Journal Information:
Nature Communications, Vol. 10, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
ENGLISH

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Natural product (−)-gossypol inhibits colon cancer cell growth by targeting RNA-binding protein Musashi-1 journal April 2015
Tetraspanin 3 Is Required for the Development and Propagation of Acute Myelogenous Leukemia journal August 2015
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Musashi2 modulates K562 leukemic cell proliferation and apoptosis involving the MAPK pathway journal January 2014
ff14SB: Improving the Accuracy of Protein Side Chain and Backbone Parameters from ff99SB journal July 2015
A Simple Method for Automated Equilibration Detection in Molecular Simulations journal March 2016
Prediction of Protein–Ligand Binding Poses via a Combination of Induced Fit Docking and Metadynamics Simulations journal May 2016
Flavin Recognition by an RNA Aptamer Targeted toward FAD journal February 2002
Identifying and Characterizing Binding Sites and Assessing Druggability journal January 2009
MSMBuilder2: Modeling Conformational Dynamics on the Picosecond to Millisecond Scale journal August 2011
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Novel Procedure for Modeling Ligand/Receptor Induced Fit Effects journal January 2006
Spectroscopic and Calorimetric Studies on the Binding of Alkaloids Berberine, Palmatine and Coralyne to Double Stranded RNA Polynucleotides journal January 2009
Patient-derived xenotransplants can recapitulate the genetic driver landscape of acute leukemias journal June 2016
Regulation of myeloid leukaemia by the cell-fate determinant Musashi journal July 2010
Musashi-2 attenuates AHR signalling to expand human haematopoietic stem cells journal April 2016
Image-based detection and targeting of therapy resistance in pancreatic adenocarcinoma journal June 2016
Identification and mechanistic characterization of low-molecular-weight inhibitors for HuR journal July 2007
Musashi-2 regulates normal hematopoiesis and promotes aggressive myeloid leukemia journal July 2010
Therapeutic targeting of splicing in cancer journal September 2016
A brave new world of RNA-binding proteins journal January 2018
Musashi RNA-binding protein 2 regulates estrogen receptor 1 function in breast cancer journal September 2016
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Musashi1, an evolutionarily conserved neural RNA-binding protein, is a versatile marker of human glioma cells in determining their cellular origin, malignancy, and proliferative activity journal October 2001
Comparison of simple potential functions for simulating liquid water journal July 1983
Motifs for molecular recognition exploiting hydrophobic enclosure in protein–ligand binding journal January 2007
Rapamycin differentially inhibits S6Ks and 4E-BP1 to mediate cell-type-specific repression of mRNA translation journal October 2008
Cancerous stem cells can arise from pediatric brain tumors journal November 2003
Musashi-2 controls cell fate, lineage bias, and TGF-β signaling in HSCs journal January 2014
Structure of Musashi1 in a complex with target RNA: the role of aromatic stacking interactions journal December 2011
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A 1536-Well Fluorescence Polarization Assay to Screen for Modulators of the MUSASHI Family of RNA-Binding Proteins journal July 2014
A novel TTC40–MSI2 fusion in de novo acute myeloid leukemia with an unbalanced 10;17 translocation journal August 2014
EVI1 overexpression in t(3;17) positive myeloid malignancies results from juxtaposition of EVI1 to the MSI2 locus at 17q22 journal September 2008
Replica exchange and expanded ensemble simulations as Gibbs sampling: Simple improvements for enhanced mixing text January 2011

Cited By (1)

Correction to: Musashi2 promotes EGF-induced EMT in pancreatic cancer via ZEB1-ERK/MAPK signaling journal August 2020