Chemically Induced Degradation of the Oncogenic Transcription Factor BCL6

Autor: David R. Lancia, John R. Engen, Elizabeth Heyes, Katharina Mayr, Lyne Lamarre, Mark Pearson, Carina Salomon, Simon Lucas, Steffen Steurer, Alexander Weiss-Puxbaum, Klaus Rumpel, Gerlinde Flotzinger, Norbert Kraut, Xiaozhang Zheng, Daniel Gerlach, Katja Mück, Sandra Winkler, Heike Kölle, Peter Ettmayer, Nikolai Mischerikow, Christian Dank, Ulrich Reiser, Dirk Scharn, Bingsong Han, Teresa Gmaschitz, Andreas Schrenk, Nina Kerres, Norbert Schweifer, Dirk Kessler, Tilman Voss, Renate Schnitzer, Manfred Koegl, Roland Varecka, Moriz Mayer, Dorothea Rudolph, Oliver Petermann, Diane Thompson, Thomas Gerstberger, Christoph Peinsipp, Roxana E. Iacob, Stefanie Schlager, Gerd Bader, Helmut Berger, Peter Greb, Maureen Caligiuri, Elisabeth Traxler, Bernhard Fischerauer, Andreas Zoephel, Darryl B. McConnell
Rok vydání: 2017
Předmět:
0301 basic medicine
Models
Molecular

Proteasome Endopeptidase Complex
Protein family
Druggability
Repressor
lymphoma
Biology
medicine.disease_cause
General Biochemistry
Genetics and Molecular Biology

drug target
drug discovery
03 medical and health sciences
Inhibitory Concentration 50
Structure-Activity Relationship
0302 clinical medicine
Protein Domains
Transcription (biology)
immune system diseases
oncogene
hemic and lymphatic diseases
Cell Line
Tumor

ubiquitin
medicine
cancer
Humans
BTB domain
Transcription factor
lcsh:QH301-705.5
transcription factor
Cell Proliferation
Drug discovery
Ubiquitination
DNA
BCL6
Gene Expression Regulation
Neoplastic

Kinetics
030104 developmental biology
HEK293 Cells
Pyrimidines
lcsh:Biology (General)
030220 oncology & carcinogenesis
Proteolysis
Cancer research
Proto-Oncogene Proteins c-bcl-6
Carcinogenesis
Protein Binding
Zdroj: Cell Reports, Vol 20, Iss 12, Pp 2860-2875 (2017)
ISSN: 2211-1247
Popis: Summary The transcription factor BCL6 is a known driver of oncogenesis in lymphoid malignancies, including diffuse large B cell lymphoma (DLBCL). Disruption of its interaction with transcriptional repressors interferes with the oncogenic effects of BCL6. We used a structure-based drug design to develop highly potent compounds that block this interaction. A subset of these inhibitors also causes rapid ubiquitylation and degradation of BCL6 in cells. These compounds display significantly stronger induction of expression of BCL6-repressed genes and anti-proliferative effects than compounds that merely inhibit co-repressor interactions. This work establishes the BTB domain as a highly druggable structure, paving the way for the use of other members of this protein family as drug targets. The magnitude of effects elicited by this class of BCL6-degrading compounds exceeds that of our equipotent non-degrading inhibitors, suggesting opportunities for the development of BCL6-based lymphoma therapeutics.
Databáze: OpenAIRE