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Pencik J, Philippe C, Schlederer M, Atas E, Pecoraro M, Grund-Gröschke S, Li WJ, Tracz A, Heidegger I, Lagger S, Trachtová K, Oberhuber M, Heitzer E, Aksoy O, Neubauer HA, Wingelhofer B, Orlova A, Witzeneder N, Dillinger T, Redl E, Greiner G, D'Andrea D, Östman JR, Tangermann S, Hermanova I, Schäfer G, Sternberg F, Pohl EE, Sternberg C, Varady A, Horvath J, Stoiber D, Malcolm TI, Turner SD, Parkes EE, Hantusch B, Egger G, Rose-John S, Poli V, Jain S, Armstrong CWD, Hoermann G, Goffin V, Aberger F, Moriggl R, Carracedo A, McKinney C, Kennedy RD, Klocker H, Speicher MR, Tang DG, Moazzami AA, Heery DM, Hacker M, Kenner L. STAT3/LKB1 controls metastatic prostate cancer by regulating mTORC1/CREB pathway. Mol Cancer 2023; 22:133. [PMID: 37573301 PMCID: PMC10422794 DOI: 10.1186/s12943-023-01825-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 07/14/2023] [Indexed: 08/14/2023] Open
Abstract
Prostate cancer (PCa) is a common and fatal type of cancer in men. Metastatic PCa (mPCa) is a major factor contributing to its lethality, although the mechanisms remain poorly understood. PTEN is one of the most frequently deleted genes in mPCa. Here we show a frequent genomic co-deletion of PTEN and STAT3 in liquid biopsies of patients with mPCa. Loss of Stat3 in a Pten-null mouse prostate model leads to a reduction of LKB1/pAMPK with simultaneous activation of mTOR/CREB, resulting in metastatic disease. However, constitutive activation of Stat3 led to high LKB1/pAMPK levels and suppressed mTORC1/CREB pathway, preventing mPCa development. Metformin, one of the most widely prescribed therapeutics against type 2 diabetes, inhibits mTORC1 in liver and requires LKB1 to mediate glucose homeostasis. We find that metformin treatment of STAT3/AR-expressing PCa xenografts resulted in significantly reduced tumor growth accompanied by diminished mTORC1/CREB, AR and PSA levels. PCa xenografts with deletion of STAT3/AR nearly completely abrogated mTORC1/CREB inhibition mediated by metformin. Moreover, metformin treatment of PCa patients with high Gleason grade and type 2 diabetes resulted in undetectable mTORC1 levels and upregulated STAT3 expression. Furthermore, PCa patients with high CREB expression have worse clinical outcomes and a significantly increased risk of PCa relapse and metastatic recurrence. In summary, we have shown that STAT3 controls mPCa via LKB1/pAMPK/mTORC1/CREB signaling, which we have identified as a promising novel downstream target for the treatment of lethal mPCa.
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Affiliation(s)
- Jan Pencik
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria.
- Center for Biomarker Research in Medicine, 8010, Graz, Austria.
- Molecular and Cell Biology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, 92037, USA.
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090, Vienna, Austria.
| | - Cecile Philippe
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090, Vienna, Austria
| | - Michaela Schlederer
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Emine Atas
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Matteo Pecoraro
- Institute for Research in Biomedicine, Università Della Svizzera Italiana, 6500, Bellinzona, Switzerland
| | - Sandra Grund-Gröschke
- Department of Biosciences and Medical Biology, Cancer Cluster Salzburg, Paris-Lodron University of Salzburg, 5020, Salzburg, Austria
| | - Wen Jess Li
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14263, USA
- Experimental Therapeutics Graduate Program, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Amanda Tracz
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14263, USA
| | - Isabel Heidegger
- Department of Urology, Medical University Innsbruck, 6020, Innsbruck, Austria
| | - Sabine Lagger
- Unit for Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Karolína Trachtová
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Central European Institute of Technology, Masaryk University, 60177, Brno, Czech Republic
- Christian Doppler Laboratory for Applied Metabolomics (CDL-AM), Medical University of Vienna, 1090, Vienna, Austria
| | | | - Ellen Heitzer
- Institute of Human Genetics, Medical University of Graz, 8010, Graz, Austria
| | - Osman Aksoy
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Department for Basic and Translational Oncology and Hematology, Division Molecular Oncology and Hematology, Karl Landsteiner University of Health Sciences, 3500, Krems, Austria
| | - Heidi A Neubauer
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Bettina Wingelhofer
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Anna Orlova
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Nadine Witzeneder
- Department of Laboratory Medicine, Medical University of Vienna, 1090, Vienna, Austria
| | - Thomas Dillinger
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Elisa Redl
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Georg Greiner
- Department of Laboratory Medicine, Medical University of Vienna, 1090, Vienna, Austria
| | - David D'Andrea
- Department of Urology, Medical University of Vienna, 1090, Vienna, Austria
| | - Johnny R Östman
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, 75007, Uppsala, Sweden
| | - Simone Tangermann
- Unit for Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Ivana Hermanova
- Center for Cooperative Research in Biosciences, Basque Research and Technology Alliance (BRTA), 20850, Derio, Spain
| | - Georg Schäfer
- Department of Pathology, Medical University Innsbruck, 6020, Innsbruck, Austria
| | - Felix Sternberg
- Institute of Physiology, Pathophysiology and Biophysics, University of Veterinary Medicine, 1210, Vienna, Austria
| | - Elena E Pohl
- Institute of Physiology, Pathophysiology and Biophysics, University of Veterinary Medicine, 1210, Vienna, Austria
| | - Christina Sternberg
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit for Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Biochemical Institute, University of Kiel, 24098, Kiel, Germany
| | - Adam Varady
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Jaqueline Horvath
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, 1090, Vienna, Austria
| | - Dagmar Stoiber
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, 1090, Vienna, Austria
- Division Pharmacology, Department of Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, 3500, Krems, Austria
| | - Tim I Malcolm
- Department of Pathology, University of Cambridge, Cambridge, CB20QQ, UK
| | - Suzanne D Turner
- Department of Pathology, University of Cambridge, Cambridge, CB20QQ, UK
- Institute of Medical Genetics and Genomics, Faculty of Medicine, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
| | - Eileen E Parkes
- Department of Oncology, University of Oxford, Oxford, OX37DQ, UK
| | - Brigitte Hantusch
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - Gerda Egger
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Ludwig Boltzmann Institute Applied Diagnostics, 1090, Vienna, Austria
- Comprehensive Cancer Center, Medical University of Vienna, 1090, Vienna, Austria
| | | | - Valeria Poli
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Turin, 10126, Turin, Italy
| | - Suneil Jain
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT71NN, UK
| | - Chris W D Armstrong
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT71NN, UK
| | | | - Vincent Goffin
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, 75015, Paris, France
| | - Fritz Aberger
- Department of Biosciences and Medical Biology, Cancer Cluster Salzburg, Paris-Lodron University of Salzburg, 5020, Salzburg, Austria
| | - Richard Moriggl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - Arkaitz Carracedo
- Center for Cooperative Research in Biosciences, Basque Research and Technology Alliance (BRTA), 20850, Derio, Spain
| | - Cathal McKinney
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT71NN, UK
- Almac Diagnostics, Craigavon, BT63 5QD, UK
| | - Richard D Kennedy
- Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, Belfast, BT71NN, UK
- Almac Diagnostics, Craigavon, BT63 5QD, UK
| | - Helmut Klocker
- Department of Urology, Medical University Innsbruck, 6020, Innsbruck, Austria
| | - Michael R Speicher
- Institute of Human Genetics, Medical University of Graz, 8010, Graz, Austria
| | - Dean G Tang
- Department of Pharmacology & Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14263, USA
- Experimental Therapeutics Graduate Program, Roswell Park Comprehensive Cancer Center, Buffalo, NY, 14203, USA
| | - Ali A Moazzami
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, 75007, Uppsala, Sweden
| | - David M Heery
- School of Pharmacy, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Marcus Hacker
- Division of Nuclear Medicine, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, 1090, Vienna, Austria
| | - Lukas Kenner
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria.
- Center for Biomarker Research in Medicine, 8010, Graz, Austria.
- Unit for Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, 1210, Vienna, Austria.
- Christian Doppler Laboratory for Applied Metabolomics (CDL-AM), Medical University of Vienna, 1090, Vienna, Austria.
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