American Association for Cancer Research
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Supplementary Materials and Methods, Figures 1-6 from MYCMI-7: A Small MYC-Binding Compound that Inhibits MYC: MAX Interaction and Tumor Growth in a MYC-Dependent Manner

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posted on 2023-04-04, 01:21 authored by Alina Castell, Qinzi Yan, Karin Fawkner, Wesam Bazzar, Fan Zhang, Malin Wickström, Mohammad Alzrigat, Marcela Franco, Cecilia Krona, Donald P. Cameron, Cecilia Dyberg, Thale Kristin Olsen, Vasiliki Verschut, Linnéa Schmidt, Sheryl Y. Lim, Loay Mahmoud, Per Hydbring, Sören Lehmann, Laura Baranello, Sven Nelander, John Inge Johnsen, Lars-Gunnar Larsson

Supplementary Figure 1. MYCMI-7 selectively inhibits the MYC:MAX interaction in cells and blocks MYC's association with chromatin. Supplementary Figure 2. MYCMI-7 downregulates MYC and MYCN protein expression. Supplementary Figure 3. MYCMI-7 reduces tumor cell growth/viability of MYC-driven tumor cells and inhibits oncogenic transformation in 2D and 3D cultures. Supplementary Figure 4. Effects of MYCMI-7 is relation to TOP2A activity in vitro and in cells. Supplementary Figure 5. Treatment of MYC/BCL-XL-driven acute myeloid leukemia with MYCMI-7. Supplementary Figure 6. MYCMI-7 inhibits growth of MDA-MB-231 breast cancer cell and SK-N-DZ MYCN-amplified neuroblastoma cell xenografts in vivo.

Funding

Cancerfonden (Swedish Cancer Society)

Barncancerfonden (Swedish Childhood Cancer Foundation)

Novo Nordisk Fonden (NNF)

Radiumhemmets Forskningsfonder (Cancer Research Foundations of Radiumhemmet)

Knut och Alice Wallenbergs Stiftelse (Knut and Alice Wallenberg Foundation)

Vetenskapsrådet (VR)

Stiftelsen Olle Engkvist Byggmästare

Marta and Gunnar V Philipson Foundation (Märta och Gunnar V. Philipsons Stiftelse)

Stiftelsen Felix Mindus Bidrag till Leukemiforskningen

Mary Béves Stiftelse för Barncancerforskning (Mary Béves Foundation for Child Cancer Research)

O. E. och Edla Johanssons Vetenskapliga Stiftelse

Fredrik och Ingrid Thurings Stiftelse (Fredrik and Ingrid Thurings Foundation)

History

ARTICLE ABSTRACT

Our findings demonstrate that the small-molecule MYCMI-7 binds MYC and inhibits interaction between MYC and MAX, thereby hampering MYC-driven tumor cell growth in culture and in vivo while sparing normal cells.