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Freitag T, Kaps P, Ramtke J, Bertels S, Zunke E, Schneider B, Becker AS, Koczan D, Dubinski D, Freiman TM, Wittig F, Hinz B, Westhoff MA, Strobel H, Meiners F, Wolter D, Engel N, Troschke-Meurer S, Bergmann-Ewert W, Staehlke S, Wolff A, Gessler F, Junghanss C, Maletzki C. Combined inhibition of EZH2 and CDK4/6 perturbs endoplasmic reticulum-mitochondrial homeostasis and increases antitumor activity against glioblastoma. NPJ Precis Oncol 2024; 8:156. [PMID: 39054369 PMCID: PMC11272933 DOI: 10.1038/s41698-024-00653-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 07/11/2024] [Indexed: 07/27/2024] Open
Abstract
He, we show that combined use of the EZH2 inhibitor GSK126 and the CDK4/6 inhibitor abemaciclib synergistically enhances antitumoral effects in preclinical GBM models. Dual blockade led to HIF1α upregulation and CalR translocation, accompanied by massive impairment of mitochondrial function. Basal oxygen consumption rate, ATP synthesis, and maximal mitochondrial respiration decreased, confirming disrupted endoplasmic reticulum-mitochondrial homeostasis. This was paralleled by mitochondrial depolarization and upregulation of the UPR sensors PERK, ATF6α, and IRE1α. Notably, dual EZH2/CDK4/6 blockade also reduced 3D-spheroid invasion, partially inhibited tumor growth in ovo, and led to impaired viability of patient-derived organoids. Mechanistically, this was due to transcriptional changes in genes involved in mitotic aberrations/spindle assembly (Rb, PLK1, RRM2, PRC1, CENPF, TPX2), histone modification (HIST1H1B, HIST1H3G), DNA damage/replication stress events (TOP2A, ATF4), immuno-oncology (DEPDC1), EMT-counterregulation (PCDH1) and a shift in the stemness profile towards a more differentiated state. We propose a dual EZH2/CDK4/6 blockade for further investigation.
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Affiliation(s)
- Thomas Freitag
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Philipp Kaps
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Justus Ramtke
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Sarah Bertels
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Emily Zunke
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Björn Schneider
- Institute of Pathology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Anne-Sophie Becker
- Institute of Pathology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Dirk Koczan
- Department of Immunology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Daniel Dubinski
- Department of Neurosurgery, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Thomas M Freiman
- Department of Neurosurgery, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Felix Wittig
- Institute of Pharmacology and Toxicology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Burkhard Hinz
- Institute of Pharmacology and Toxicology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Mike-Andrew Westhoff
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Hannah Strobel
- Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany
| | - Franziska Meiners
- Institute for Biostatistics and Informatics in Medicine and Aging Research (IBIMA), Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Daniel Wolter
- Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Nadja Engel
- Department of Oral and Maxillofacial Surgery, Facial Plastic Surgery, Rostock University Medical Center, University of Rostock, Rostock, Germany
- Oscar Langendorff Institute of Physiology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Sascha Troschke-Meurer
- Department of Pediatric Oncology and Hematology, University Medicine Greifswald, Greifswald, Germany
| | - Wendy Bergmann-Ewert
- Core Facility for Cell Sorting & Cell Analysis, Laboratory for Clinical Immunology, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Susanne Staehlke
- Institute for Cell Biology, University Medical Center Rostock, Rostock, Germany
| | - Annabell Wolff
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Florian Gessler
- Department of Neurosurgery, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Christian Junghanss
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany
| | - Claudia Maletzki
- Department of Medicine, Clinic III -Hematology, Oncology, Palliative Medicine, Rostock University Medical Center, University of Rostock, Rostock, Germany.
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Liu Y, Wu W, Cai C, Zhang H, Shen H, Han Y. Patient-derived xenograft models in cancer therapy: technologies and applications. Signal Transduct Target Ther 2023; 8:160. [PMID: 37045827 PMCID: PMC10097874 DOI: 10.1038/s41392-023-01419-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Patient-derived xenograft (PDX) models, in which tumor tissues from patients are implanted into immunocompromised or humanized mice, have shown superiority in recapitulating the characteristics of cancer, such as the spatial structure of cancer and the intratumor heterogeneity of cancer. Moreover, PDX models retain the genomic features of patients across different stages, subtypes, and diversified treatment backgrounds. Optimized PDX engraftment procedures and modern technologies such as multi-omics and deep learning have enabled a more comprehensive depiction of the PDX molecular landscape and boosted the utilization of PDX models. These irreplaceable advantages make PDX models an ideal choice in cancer treatment studies, such as preclinical trials of novel drugs, validating novel drug combinations, screening drug-sensitive patients, and exploring drug resistance mechanisms. In this review, we gave an overview of the history of PDX models and the process of PDX model establishment. Subsequently, the review presents the strengths and weaknesses of PDX models and highlights the integration of novel technologies in PDX model research. Finally, we delineated the broad application of PDX models in chemotherapy, targeted therapy, immunotherapy, and other novel therapies.
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Affiliation(s)
- Yihan Liu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Wantao Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Changjing Cai
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China
| | - Hao Zhang
- Department of Neurosurgery, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Hong Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China.
| | - Ying Han
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, P.R. China.
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Schoenwaelder N, Krause M, Freitag T, Schneider B, Zonnur S, Zimpfer A, Becker AS, Salewski I, Strüder DF, Lemcke H, Grosse-Thie C, Junghanss C, Maletzki C. Preclinical Head and Neck Squamous Cell Carcinoma Models for Combined Targeted Therapy Approaches. Cancers (Basel) 2022; 14:cancers14102484. [PMID: 35626088 PMCID: PMC9139292 DOI: 10.3390/cancers14102484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to refine combined targeted approaches on well-characterized, low-passage tumor models. Upon in vivo xenografting in immunodeficient mice, three cell lines from locally advanced or metastatic HNSCC were established. Following quality control and basic characterization, drug response was examined after therapy with 5-FU, Cisplatin, and cyclin-dependent kinase inhibitors (abemaciclib, THZ1). Our cell lines showed different in vitro growth kinetics, morphology, invasive potential, and radiosensitivity. All cell lines were sensitive to 5-FU, Cisplatin, and THZ1. One cell line (HNSCC48 P0 M1) was sensitive to abemaciclib. Here, Cyto-FISH revealed a partial CDKN2a deletion, which resulted from a R58* mutation. Moreover, this cell line demonstrated chromosome 12 polysomy, accompanied by an increase in CDK4-specific copy numbers. In HNSCC16 P1 M1, we likewise identified polysomy-associated CDK4-gains. Although not sensitive to abemaciclib per se, the cell line showed a G1-arrest, an increased number of acidic organelles, and a swollen structure. Notably, intrinsic resistance was conquered by Cisplatin because of cMYC and IDO-1 downregulation. Additionally, this Cisplatin-CDKI combination induced HLA-ABC and PD-L1 upregulation, which may enhance immunogenicity. Performing functional and molecular analysis on patient-individual HNSCC-models, we identified CDK4-gains as a biomarker for abemaciclib response prediction and describe an approach to conquer intrinsic CDKI resistance.
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Affiliation(s)
- Nina Schoenwaelder
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Mareike Krause
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Thomas Freitag
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Björn Schneider
- Institute of Pathology, Rostock University Medical Centre, 18057 Rostock, Germany; (B.S.); (S.Z.); (A.Z.); (A.S.B.)
| | - Sarah Zonnur
- Institute of Pathology, Rostock University Medical Centre, 18057 Rostock, Germany; (B.S.); (S.Z.); (A.Z.); (A.S.B.)
| | - Annette Zimpfer
- Institute of Pathology, Rostock University Medical Centre, 18057 Rostock, Germany; (B.S.); (S.Z.); (A.Z.); (A.S.B.)
| | - Anne Sophie Becker
- Institute of Pathology, Rostock University Medical Centre, 18057 Rostock, Germany; (B.S.); (S.Z.); (A.Z.); (A.S.B.)
| | - Inken Salewski
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Daniel Fabian Strüder
- Head and Neck Surgery “Otto Koerner”, Department of Otorhinolaryngology, Rostock University Medical Centre, 18057 Rostock, Germany;
| | - Heiko Lemcke
- Department of Cardiac Surgery, Reference and Translation Center for Cardiac Stem Cell Therapy (RTC), Rostock University Medical Center, University of Rostock, 18057 Rostock, Germany;
- Faculty of Interdisciplinary Research, Department Life, Light & Matter, University Rostock, 18057 Rostock, Germany
| | - Christina Grosse-Thie
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Christian Junghanss
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
| | - Claudia Maletzki
- Hematology, Oncology, Palliative Medicine, Department of Medicine, Clinic III, Rostock University Medical Center, 18057 Rostock, Germany; (N.S.); (M.K.); (T.F.); (I.S.); (C.G.-T.); (C.J.)
- Correspondence:
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Diagnostics of HNSCC Patients: An Analysis of Cell Lines and Patient-Derived Xenograft Models for Personalized Therapeutical Medicine. Diagnostics (Basel) 2022; 12:diagnostics12051071. [PMID: 35626227 PMCID: PMC9139588 DOI: 10.3390/diagnostics12051071] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/20/2022] [Accepted: 04/22/2022] [Indexed: 12/11/2022] Open
Abstract
Head and neck squamous cell carcinomas (HNSCC) are very frequent worldwide, and smoking and chronic alcohol use are recognized as the main risk factors. For oropharyngeal cancers, HPV 16 infection is known to be a risk factor as well. By employing next-generation sequencing, both HPV-positive and negative HNSCC patients were detected as positive for PI3K mutation, which was considered an optimal molecular target. We analyzed scientific literature published in the last 5 years regarding the newly available diagnostic platform for targeted therapy of HNSCC HPV+/−, using HNSCC-derived cell lines cultures and HNSCC pdx (patient-derived xenografts). The research results are promising and require optimal implementation in the management of HNSCC patients.
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Wu Y, Wu H, Lu X, Chen Y, Zhang X, Ju J, Zhang D, Zhu B, Huang S. Development and Evaluation of Targeted Optical Imaging Probes for Image‐Guided Surgery in Head and Neck Cancer. ADVANCED THERAPEUTICS 2022. [DOI: 10.1002/adtp.202100196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yue Wu
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Haiwei Wu
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Xiaoya Lu
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Yi Chen
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Xue Zhang
- University of Jinan Jinan Shandong 250021 China
| | - Jiandong Ju
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Dongsheng Zhang
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
| | - Baocun Zhu
- University of Jinan Jinan Shandong 250021 China
| | - Shengyun Huang
- Department of Oral and Maxillofacial Surgery Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan Shandong 250021 China
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Karin N. Chemokines in the Landscape of Cancer Immunotherapy: How They and Their Receptors Can Be Used to Turn Cold Tumors into Hot Ones? Cancers (Basel) 2021; 13:6317. [PMID: 34944943 PMCID: PMC8699256 DOI: 10.3390/cancers13246317] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 02/07/2023] Open
Abstract
Over the last decade, monoclonal antibodies to immune checkpoint inhibitors (ICI), also known as immune checkpoint blockers (ICB), have been the most successful approach for cancer therapy. Starting with mAb to cytotoxic T lymphocyte antigen 4 (CTLA-4) inhibitors in metastatic melanoma and continuing with blockers of the interactions between program cell death 1 (PD-1) and its ligand program cell death ligand 1 (PDL-1) or program cell death ligand 2 (PDL-2), that have been approved for about 20 different indications. Yet for many cancers, ICI shows limited success. Several lines of evidence imply that the limited success in cancer immunotherapy is associated with attempts to treat patients with "cold tumors" that either lack effector T cells, or in which these cells are markedly suppressed by regulatory T cells (Tregs). Chemokines are a well-defined group of proteins that were so named due to their chemotactic properties. The current review focuses on key chemokines that not only attract leukocytes but also shape their biological properties. CXCR3 is a chemokine receptor with 3 ligands. We suggest using Ig-based fusion proteins of two of them: CXL9 and CXCL10, to enhance anti-tumor immunity and perhaps transform cold tumors into hot tumors. Potential differences between CXCL9 and CXCL10 regarding ICI are discussed. We also discuss the possibility of targeting the function or deleting a key subset of Tregs that are CCR8+ by monoclonal antibodies to CCR8. These cells are preferentially abundant in several tumors and are likely to be the key drivers in suppressing anti-cancer immune reactivity.
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Affiliation(s)
- Nathan Karin
- Department of Immunology, Faculty of Medicine, Technion, P.O. Box 9697, Haifa 31096, Israel
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