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AlZahrani A, Alsuhebany N, Tailor IK, Alrajhi AM. Advancing the understanding of venetoclax in t(11;14)-positive multiple myeloma: a comprehensive review of clinical evidence and future prospects. Hematology 2024; 29:2296809. [PMID: 38149670 DOI: 10.1080/16078454.2023.2296809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 12/12/2023] [Indexed: 12/28/2023] Open
Abstract
Venetoclax is a selective inhibitor of the anti-apoptotic protein B-cell lymphoma 2 (BCL2), as a targeted therapy for multiple myeloma (MM) patients. It was initially approved by the United States Food and Drug Administration for the treatment of chronic lymphocytic leukemia in April 2016 and later for acute myeloid leukemia in October 2020. However, venetoclax is used as an off-label in a subset group of relapsed and refractory multiple myeloma (RRMM) patients with the presence of translocation t(11;14). Preclinical and clinical studies have highlighted the potential of venetoclax in the management of MM patients, with a specific focus on t(11;14) as a predictive biomarker for initiating venetoclax-based treatment. Later, several studies in RRMM patients that used venetoclax in combination with dexamethasone or/and proteasome inhibitors have shown promising results, in which management guidelines have included venetoclax as one of the options to treat MM patients. Hence, this review focuses on the use of venetoclax in RRMM, clinical efficacy, safety, dosing strategies, and predictive biomarkers for initiating venetoclax. Additionally, we discuss ongoing studies that are investigating different combination of venetoclax regimens in MM patients.
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Key Words
- AML, acute myeloid leukemia; BCL2, B-cell lymphoma 2; CAR T-cell, chimeric antigen receptor T-cell; CLL, chronic lymphocytic leukemia; FDA, Food and Drug Administration; IC50, half maximal inhibitory concentration; IL-6: interleukin 6; IMiD, immune-modulators; MM, multiple myeloma; ORR, overall response rate; PFS, progression-free survival; PI, proteasome inhibitor; RRMM, relapsed/refractory multiple myeloma
- Venetoclax
- multiple myeloma
- t(11;14)
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Affiliation(s)
- Abdullah AlZahrani
- Pharmaceutical Care Division, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Nada Alsuhebany
- Department of Pharmacy Practice, College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
- Department of Pharmaceutical Care Services, King Abdulaziz Medical City, Ministry of the National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Imran K Tailor
- Department of Adult Hematology and Bone Marrow Transplant, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Abdullah M Alrajhi
- Clinical Pharmacy Department, King Fahad Medical City, Riyadh, Saudi Arabia
- Department of Pharmacy Practice, College of Pharmacy, AlFaisal University, Riyadh, Saudi Arabia
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de Melo Silva AJ, de Melo Gama JE, de Oliveira SA. The Role of Bcl-2 Family Proteins and Sorafenib Resistance in Hepatocellular Carcinoma. Int J Cell Biol 2024; 2024:4972523. [PMID: 39188653 PMCID: PMC11347034 DOI: 10.1155/2024/4972523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Revised: 07/10/2024] [Accepted: 08/02/2024] [Indexed: 08/28/2024] Open
Abstract
Liver cancer has been reported to be one of the most malignant diseases in the world. It is late diagnosis consequently leads to a difficult treatment, as the cancer reached an advanced stage. Hepatocellular carcinoma (HCC) is the primary type of cancer diagnosed in the liver, with deadly characteristics and a poor prognosis. The first-in-line treatment for advanced HCC is sorafenib. Sorafenib acts by inhibiting cell proliferation and by inducing apoptosis as well as blocks receptors associated with these mechanisms. Due to its constant use, sorafenib resistance has been described, especially to proteins of the Bcl-2 family, and their overexpression of Bcl-XL and Mcl-1. This review focuses on the role of the Bcl-2 proteins in relation to sorafenib resistance as a consequence of first-in-line treatment in HCC.
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Deng S, Derebail S, Weiler VJ, Fong Ng J, Maroto-Martin E, Chatterjee M, Giorgetti G, Chakraborty C, Kalhotra P, Du T, Yao Y, Prabhala R, Shammas M, Gulla A, Aktas Samur A, Samur MK, Qiu L, Anderson KC, Fulciniti M, Munshi NC. Venetoclax resistance leads to broad resistance to standard-of-care anti-MM agents, but not to immunotherapies. Blood Adv 2024; 8:4025-4034. [PMID: 38861273 PMCID: PMC11339023 DOI: 10.1182/bloodadvances.2023012298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/26/2024] [Accepted: 05/18/2024] [Indexed: 06/12/2024] Open
Abstract
ABSTACT To our knowledge, venetoclax is the first example of personalized medicine for multiple myeloma (MM), with meaningful clinical activity as a monotherapy and in combination in patients with myeloma harboring the t(11:14) translocation. However, despite the high response rates and prolonged progression-free survival, a significant proportion of patients eventually relapse. Here, we aim to study adaptive molecular responses after the acquisition of venetoclax resistance in sensitive t(11:14) MM cell models. We therefore generated single-cell venetoclax-resistant t(11:14) MM cell lines and investigated the mechanisms contributing to resistance as well as the cells' sensitivity to other treatments. Our data suggest that acquired resistance to venetoclax is characterized by reduced mitochondrial priming and changes in B-cell lymphoma-2 (BCL-2) family proteins' expression in MM cells, conferring broad resistance to standard-of-care antimyeloma drugs. However, our results show that the resistant cells are still sensitive to immunotherapeutic treatments, highlighting the need to consider appropriate sequencing of these treatments after venetoclax-based regimens.
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Affiliation(s)
- Shuhui Deng
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Sanika Derebail
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Vera Joy Weiler
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Jessica Fong Ng
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Elena Maroto-Martin
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Madhumouli Chatterjee
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- VA Boston Healthcare System, Boston, MA
| | - Giulia Giorgetti
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Chandraditya Chakraborty
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Poonam Kalhotra
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Ting Du
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Yao Yao
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- Blood Disease Institute, Key Laboratory of Bone Marrow Stem Cell, Xuzhou Medical University, Xuzhou, China
| | - Rao Prabhala
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Masood Shammas
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- VA Boston Healthcare System, Boston, MA
| | - Annamaria Gulla
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- Candiolo Cancer Institute, FPO-IRCCS, Candiolo, Italy
| | - Anil Aktas Samur
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Mehmet Kemal Samur
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Lugui Qiu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
- Tianjin Institutes of Health Science, Tianjin, China
| | - Kenneth C. Anderson
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Mariateresa Fulciniti
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Nikhil C. Munshi
- Jerome Lipper Multiple Myeloma Disease Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
- VA Boston Healthcare System, Boston, MA
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Kim JJ, Kim SJ, Lim S, Lee ST, Choi JR, Shin S, Hwang DY. Enhancing mutation detection in multiple myeloma with an error-corrected ultra-sensitive NGS assay without plasma cell enrichment. Cancer Cell Int 2024; 24:282. [PMID: 39135074 PMCID: PMC11318258 DOI: 10.1186/s12935-024-03470-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 07/31/2024] [Indexed: 08/16/2024] Open
Abstract
BACKGROUND Risk stratification in multiple myeloma (MM) patients is crucial, and molecular genetic studies play a significant role in achieving this objective. Enrichment of plasma cells for next-generation sequencing (NGS) analysis has been employed to enhance detection sensitivity. However, these methods often come with limitations, such as high costs and low throughput. In this study, we explore the use of an error-corrected ultrasensitive NGS assay called positional indexing sequencing (PiSeq-MM). This assay can detect somatic mutations in MM patients without relying on plasma cell enrichment. METHOD Diagnostic bone marrow aspirates (BMAs) and blood samples from 14 MM patients were used for exploratory and validation sets. RESULTS PiSeq-MM successfully detected somatic mutations in all BMAs, outperforming conventional NGS using plasma cells. It also identified 38 low-frequency mutations that were missed by conventional NGS, enhancing detection sensitivity below the 5% analytical threshold. When tested in an actual clinical environment, plasma cell enrichment failed in most BMAs (14/16), but the PiSeq-MM enabled mutation detection in all BMAs. There was concordance between PiSeq-MM using BMAs and ctDNA analysis in paired blood samples. CONCLUSION This research provides valuable insights into the genetic landscape of MM and highlights the advantages of error-corrected NGS for detecting low-frequency mutations. Although the current standard method for mutation analysis is plasma cell-enriched BMAs, total BMA or ctDNA testing with error correction is a viable alternative when plasma cell enrichment is not feasible.
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Affiliation(s)
- Jin Ju Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, Korea
| | - Soo-Jeong Kim
- Department of Internal Medicine, Division of Hemato-Oncology, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, Korea
| | - Seoyoung Lim
- Graduate School of Medical Science, Brain Korea PLUS Project, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Seung-Tae Lee
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
- Dxome, Seoul, Republic of Korea
| | - Jong Rak Choi
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
- Dxome, Seoul, Republic of Korea
| | - Saeam Shin
- Department of Laboratory Medicine, Yonsei University College of Medicine, Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea.
| | - Doh Yu Hwang
- Department of Internal Medicine, Division of Hematology, Yonsei University College of Medicine, Yongin Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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Pawlyn C, Schjesvold FH, Cairns DA, Wei LJ, Davies F, Nadeem O, Abdulhaq H, Mateos MV, Laubach J, Weisel K, Ludwig H, Rajkumar SV, Sonneveld P, Jackson G, Morgan G, Richardson PG. Progression-free survival as a surrogate endpoint in myeloma clinical trials: an evolving paradigm. Blood Cancer J 2024; 14:134. [PMID: 39134544 PMCID: PMC11319634 DOI: 10.1038/s41408-024-01109-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 08/15/2024] Open
Abstract
Measurement of overall survival (OS) remains the gold standard for interpreting the impact of new therapies for multiple myeloma in phase 3 trials. However, as outcomes have improved, it is increasingly challenging to use OS as the primary endpoint if timely approval of novel agents is to be ensured to enable maximum benefit for patients. Surrogate endpoints of OS, such as progression-free survival (PFS) and response to treatment, have contributed to approval decisions by the Food and Drug Administration (FDA) and European Medicines Agency as endpoints demonstrating clinical benefit, and the FDA has recently supported the use of minimal residual disease (MRD) as an accelerated approval endpoint in multiple myeloma. This review aims to address situations in which the use of PFS as a surrogate endpoint warrants careful interpretation especially for specific subgroups of patients and considers ways to ensure that studies can be designed to account for possible discordance between PFS and OS. The utility of subgroup analyses, including the potential for those not pre-specified, to identify target populations for new agents is also discussed.
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Affiliation(s)
- Charlotte Pawlyn
- The Institute of Cancer Research, London, UK.
- The Royal Marsden Hospital NHS Foundation Trust, London, UK.
| | - Fredrik H Schjesvold
- Oslo Myeloma Center, Department of Hematology, Oslo University Hospital, Oslo, Norway
- KG Jebsen Center for B Cell Malignancies, University of Oslo, Oslo, Norway
| | - David A Cairns
- Leeds Cancer Research UK Clinical Trials Unit of Leeds, Leeds, UK
| | - L J Wei
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Faith Davies
- Perlmutter Cancer Center, NYU Langone, New York, NY, USA
| | - Omar Nadeem
- Dana-Farber Cancer Institute, Boston, MA, USA
| | - Haifaa Abdulhaq
- University of California, San Francisco, Fresno Campus, CA, USA
| | - Maria-Victoria Mateos
- University Hospital of Salamanca; IBSAL; Institute of Cancer Molecular and Cellular Biology; and CIBERONC, Salamanca, Spain
| | | | - Katja Weisel
- University Medical Center of Hamburg-Eppendorf, Hamburg, Germany
| | - Heinz Ludwig
- Medical Department Center for Oncology, Hematology and Palliative Medicine, Wilhelminen Cancer Research Institute, Vienna, Austria
| | | | - Pieter Sonneveld
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Graham Jackson
- Northern Centre for Cancer Care, Newcastle Upon Tyne Hospitals Trust, Newcastle Upon Tyne, UK
| | - Gareth Morgan
- Perlmutter Cancer Center, NYU Langone, New York, NY, USA
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Suo S, Sun S, Nguyen LXT, Qian J, Li F, Zhao D, Yu W, Lou Y, Zhu H, Tong H, Yang M, Huang X, Zhao S, Qiao J, Liang C, Wang H, Zhang Y, Zhang X, Hoang DH, Chen F, Kang H, Valerio M, Sun J, Ghoda L, Li L, Marcucci G, Zhang B, Jin J. Homoharringtonine synergizes with venetoclax in early T cell progenitor acute lymphoblastic leukemia: Bench and bed. MED 2024:S2666-6340(24)00300-3. [PMID: 39151422 DOI: 10.1016/j.medj.2024.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 04/26/2024] [Accepted: 07/22/2024] [Indexed: 08/19/2024]
Abstract
BACKGROUND Early T cell precursor acute lymphoblastic leukemia (ETP-ALL) is a distinct subtype of T-ALL with a poor prognosis. To find a cure, we examined the synergistic effect of homoharringtonine (HHT) in combination with the BCL-2 inhibitor venetoclax (VEN) in ETP-ALL. METHODS Using in vitro cellular assays and ETP-ALL xenograft models, we first investigated the synergistic activity of HHT and VEN in ETP-ALL. Next, to explore the underlying mechanism, we employed single-cell RNA sequencing of primary ETP-ALL cells treated with HHT or VEN alone or in combination and validated the results with western blot assays. Based on the promising preclinical results and given that both drugs have been approved for clinical use, we then assessed this combination in clinical practice. FINDINGS Our results showed that HHT synergizes strongly with VEN both in vitro and in vivo in ETP-ALL. Mechanistic studies demonstrated that the HHT/VEN combination concurrently downregulated key anti-apoptotic proteins, i.e., MCL1, leading to enhanced apoptosis. Importantly, the clinical results were very promising. Six patients with ETP-ALL with either refractory/relapsed (R/R) or newly diagnosed disease were treated with an HHT/VEN-based regimen. All patients achieved complete remission (CR) after only one cycle of treatment. CONCLUSIONS Our findings demonstrate that a combination of HHT/VEN is effective on ETP-ALL and represents the "backbone" of a promising and safe regimen for newly diagnosed and R/R patients with ETP-ALL. FUNDING This work was funded by the National Cancer Institute, Gehr Family Foundation, George Hoag Family Foundation, National Natural Science Foundation of China, and Key Research and Development Program of Zhejiang Province of China.
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Affiliation(s)
- Shanshan Suo
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Shu Sun
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Le Xuan Truong Nguyen
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Jiejing Qian
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Fenglin Li
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Dandan Zhao
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Wenjuan Yu
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Yinjun Lou
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Honghu Zhu
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Hongyan Tong
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Min Yang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Xin Huang
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Shuqi Zhao
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China
| | - Junjing Qiao
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Chen Liang
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Huafeng Wang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Yi Zhang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Xiang Zhang
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Dinh Hoa Hoang
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Fang Chen
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Hyunjun Kang
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Melissa Valerio
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Jie Sun
- Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China
| | - Lucy Ghoda
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Ling Li
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA
| | - Guido Marcucci
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA.
| | - Bin Zhang
- Hematology Malignancies Research Institute, Gehr Family Center for Leukemia Research, City of Hope Medical Center, Duarte, CA, USA.
| | - Jie Jin
- Department of Hematology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, P.R. China; Zhejiang Provincial Key Lab of Hematopoietic Malignancy, Zhejiang University, Hangzhou, Zhejiang, P.R. China; Zhejiang University Cancer Center, Hangzhou, Zhejiang, P.R. China.
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Alimohammadi M, Rahimzadeh P, Khorrami R, Bonyadi M, Daneshi S, Nabavi N, Raesi R, Farani MR, Dehkhoda F, Taheriazam A, Hashemi M. A comprehensive review of the PTEN/PI3K/Akt axis in multiple myeloma: From molecular interactions to potential therapeutic targets. Pathol Res Pract 2024; 260:155401. [PMID: 38936094 DOI: 10.1016/j.prp.2024.155401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 06/02/2024] [Accepted: 06/09/2024] [Indexed: 06/29/2024]
Abstract
Phosphatase and tensin homolog (PTEN), phosphatidylinositol 3-kinase (PI3K), and protein kinase B (Akt) signaling pathways contribute to the development of several cancers, including multiple myeloma (MM). PTEN is a tumor suppressor that influences the PI3K/Akt/mTOR pathway, which in turn impacts vital cellular processes like growth, survival, and treatment resistance. The current study aims to present the role of PTEN and PI3K/Akt/mTOR signaling in the development of MM and its response to treatment. In addition, the molecular interactions in MM that underpin the PI3K/Akt/mTOR pathway and address potential implications for the development of successful treatment plans are also discussed in detail. We investigate their relationship to both upstream and downstream regulators, highlighting new developments in combined therapies that target the PTEN/PI3K/Akt axis to overcome drug resistance, including the use of PI3K and mitogen-activated protein kinase (MAPK) inhibitors. We also emphasize that PTEN/PI3K/Akt pathway elements may be used in MM diagnosis, prognosis, and therapeutic targets.
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Affiliation(s)
- Mina Alimohammadi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Payman Rahimzadeh
- Surgical Research Society (SRS), Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Khorrami
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Islamic Republic of Iran
| | - Mojtaba Bonyadi
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Islamic Republic of Iran
| | - Salman Daneshi
- Department of Public Health, School of Health, Jiroft University of Medical Sciences, Jiroft, Islamic Republic of Iran
| | - Noushin Nabavi
- Independent Researcher, Victoria, British Columbia V8V 1P7, Canada
| | - Rasoul Raesi
- Department of Health Services Management, Mashhad University of Medical Sciences, Mashhad, Islamic Republic of Iran; Department of Nursing, Torbat Jam Faculty of Medical Sciences, Torbat Jam, Iran
| | - Marzieh Ramezani Farani
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, 100 Inha-ro, Incheon 22212, Republic of Korea
| | - Farshid Dehkhoda
- Department of Orthopedics, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran; Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran.
| | - Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran; Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Islamic Republic of Iran.
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8
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Chun C, Byun JM, Cha M, Lee H, Choi B, Kim H, Hong S, Lee Y, Park H, Koh Y, Yoon TY. Profiling protein-protein interactions to predict the efficacy of B-cell-lymphoma-2-homology-3 mimetics for acute myeloid leukaemia. Nat Biomed Eng 2024:10.1038/s41551-024-01241-3. [PMID: 39025942 DOI: 10.1038/s41551-024-01241-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 06/28/2024] [Indexed: 07/20/2024]
Abstract
B-cell-lymphoma-2 (BCL2) homology-3 (BH3) mimetics are inhibitors of protein-protein interactions (PPIs) that saturate anti-apoptotic proteins in the BCL2 family to induce apoptosis in cancer cells. Despite the success of the BH3-mimetic ABT-199 for the treatment of haematological malignancies, only a fraction of patients respond to the drug and most patients eventually develop resistance to it. Here we show that the efficacy of ABT-199 can be predicted by profiling the rewired status of the PPI network of the BCL2 family via single-molecule pull-down and co-immunoprecipitation to quantify more than 20 types of PPI from a total of only 1.2 × 106 cells per sample. By comparing the obtained multidimensional data with BH3-mimetic efficacies determined ex vivo, we constructed a model for predicting the efficacy of ABT-199 that designates two complexes of the BCL2 protein family as the primary mediators of drug effectiveness and resistance, and applied it to prospectively assist therapeutic decision-making for patients with acute myeloid leukaemia. The characterization of PPI complexes in clinical specimens opens up opportunities for individualized protein-complex-targeting therapies.
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Affiliation(s)
- Changju Chun
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
| | - Ja Min Byun
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Minkwon Cha
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
- Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang, South Korea
| | - Hongwon Lee
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
| | - Byungsan Choi
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
| | - Hyunwoo Kim
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
| | - Saem Hong
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
| | - Yunseo Lee
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
| | - Hayoung Park
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, Seoul, South Korea
| | - Youngil Koh
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, South Korea.
| | - Tae-Young Yoon
- School of Biological Sciences and Institute for Molecular Biology and Genetics, Seoul National University, Seoul, South Korea.
- Department of Biomarker Discovery, PROTEINA Co., Ltd, Seoul, South Korea.
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9
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Enzenmüller S, Niedermayer A, Seyfried F, Muench V, Tews D, Rupp U, Tausch E, Groß A, Fischer-Posovszky P, Walther P, Stilgenbauer S, Kestler HA, Debatin KM, Meyer LH. Venetoclax resistance in acute lymphoblastic leukemia is characterized by increased mitochondrial activity and can be overcome by co-targeting oxidative phosphorylation. Cell Death Dis 2024; 15:475. [PMID: 38961053 PMCID: PMC11222427 DOI: 10.1038/s41419-024-06864-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
Deregulated apoptosis signaling is characteristic for many cancers and contributes to leukemogenesis and treatment failure in B-cell precursor acute lymphoblastic leukemia (BCP-ALL). Apoptosis is controlled by different pro- and anti-apoptotic molecules. Inhibition of anti-apoptotic molecules like B-cell lymphoma 2 (BCL-2) has been developed as therapeutic strategy. Venetoclax (VEN), a selective BCL-2 inhibitor has shown clinical activity in different lymphoid malignancies and is currently evaluated in first clinical trials in BCP-ALL. However, insensitivity to VEN has been described constituting a major clinical concern. Here, we addressed and modeled VEN-resistance in BCP-ALL, investigated the underlying mechanisms in cell lines and patient-derived xenograft (PDX) samples and identified potential strategies to overcome VEN-insensitivity. Leukemia lines with VEN-specific resistance were generated in vitro and further characterized using RNA-seq analysis. Interestingly, gene sets annotated to the citric/tricarboxylic acid cycle and the respiratory electron transport chain were significantly enriched and upregulated, indicating increased mitochondrial metabolism in VEN-resistant ALL. Metabolic profiling showed sustained high mitochondrial metabolism in VEN-resistant lines as compared to control lines. Accordingly, primary PDX-ALL samples with intrinsic VEN-insensitivity showed higher oxygen consumption and ATP production rates, further highlighting that increased mitochondrial activity is a characteristic feature of VEN-resistant ALL. VEN-resistant PDX-ALL showed significant higher mitochondrial DNA content and differed in mitochondria morphology with significantly larger and elongated structures, further corroborating our finding of augmented mitochondrial metabolism upon VEN-resistance. Using Oligomycin, an inhibitor of the complex V/ATPase subunit, we found synergistic activity and apoptosis induction in VEN-resistant BCP-ALL cell lines and PDX samples, demonstrating that acquired and intrinsic VEN-insensitivity can be overcome by co-targeting BCL-2 and the OxPhos pathway. These findings of reprogrammed, high mitochondrial metabolism in VEN-resistance and synergistic activity upon co-targeting BCL-2 and oxidative phosphorylation strongly suggest further preclinical and potential clinical evaluation in VEN-resistant BCP-ALL.
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Affiliation(s)
- Stefanie Enzenmüller
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Alexandra Niedermayer
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
- International Graduate School in Molecular Medicine, Ulm University, Ulm, Germany
| | - Felix Seyfried
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Vera Muench
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Daniel Tews
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Ulrich Rupp
- Central Facility for Electron Microscopy, Ulm University, Ulm, Germany
| | - Eugen Tausch
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm, Germany
| | - Alexander Groß
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | | | - Paul Walther
- Central Facility for Electron Microscopy, Ulm University, Ulm, Germany
| | - Stephan Stilgenbauer
- Division of Chronic Lymphocytic Leukemia, Department of Internal Medicine III, University of Ulm, Ulm, Germany
| | - Hans A Kestler
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Lüder Hinrich Meyer
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany.
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10
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Nwosu GO, Ross DM, Powell JA, Pitson SM. Venetoclax therapy and emerging resistance mechanisms in acute myeloid leukaemia. Cell Death Dis 2024; 15:413. [PMID: 38866760 PMCID: PMC11169396 DOI: 10.1038/s41419-024-06810-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/05/2024] [Accepted: 06/05/2024] [Indexed: 06/14/2024]
Abstract
Acute myeloid leukaemia (AML) is a highly aggressive and devastating malignancy of the bone marrow and blood. For decades, intensive chemotherapy has been the frontline treatment for AML but has yielded only poor patient outcomes as exemplified by a 5-year survival rate of < 30%, even in younger adults. As knowledge of the molecular underpinnings of AML has advanced, so too has the development new strategies with potential to improve the treatment of AML patients. To date the most promising of these targeted agents is the BH3-mimetic venetoclax which in combination with standard of care therapies, has manageable non-haematological toxicity and exhibits impressive efficacy. However, approximately 30% of AML patients fail to respond to venetoclax-based regimens and almost all treatment responders eventually relapse. Here, we review the emerging mechanisms of intrinsic and acquired venetoclax resistance in AML and highlight recent efforts to identify novel strategies to overcome resistance to venetoclax.
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Affiliation(s)
- Gus O Nwosu
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia
- Clinical and Health Sciences, University of South Australia, Adelaide, SA, Australia
| | - David M Ross
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia
- Adelaide Medical School, Faculty of Health Sciences, University of Adelaide, Adelaide, SA, Australia
- Department of Haematology, Royal Adelaide Hospital, Central Adelaide Local Health Network, Adelaide, SA, Australia
- Department of Haematology, Flinders University and Medical Centre, Adelaide, SA, Australia
| | - Jason A Powell
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia.
- Adelaide Medical School, Faculty of Health Sciences, University of Adelaide, Adelaide, SA, Australia.
| | - Stuart M Pitson
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia.
- Adelaide Medical School, Faculty of Health Sciences, University of Adelaide, Adelaide, SA, Australia.
- School of Biological Sciences, University of Adelaide, Adelaide, SA, Australia.
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11
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Chen Q, Zhang M, Zheng S, Tong Y, Tan Y. Therapeutic progress in relapsed/refractory multiple myeloma. Ann Hematol 2024; 103:1833-1841. [PMID: 38609727 DOI: 10.1007/s00277-024-05730-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 03/22/2024] [Indexed: 04/14/2024]
Abstract
Improvement in the therapeutics for multiple myeloma (MM) has been continuously developed owing to the application of novel drugs and technologies in the last 20 years. The standard first-line therapy for MM consists of a three-drug induction regimen based on immunomodulatory drugs and proteasome inhibitors combined with autologous stem cell transplantation. However, MM remains incurable; therefore, therapies for relapsed/refractory MM (RRMM) are emerging and evolving rapidly. This study aimed to summarize and review the results of RRMM trials over the past 5 years to provide a holistic overview and insights for practitioners in related fields and to provide additional ideas for clinical trialists. This study shows that daratumumab and isatuximab continue to significantly advance as treatment options. Additionally, novel antibody drugs, such as elotuzumab and selinexor, as well as bispecific antibodies, teclistamab and talquetamab, are currently undergoing clinical research with promising outcomes. However, chimeric antigen receptor-T cell therapy targeting B-cell maturation antigen remains the optimal approach for MM treatment.
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Affiliation(s)
- Qi Chen
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
- Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Min Zhang
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
- Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Shan Zheng
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
- Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yuxin Tong
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China
- Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yamin Tan
- Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China.
- Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China.
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12
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Schwaner I, Kuhn T, Losem C, Wolff T, Otremba B, Zaiss M, Hülsenbeck J, Famulla K, Nösslinger T, Rossi D. Low incidence of tumor lysis syndrome in elderly patients with chronic lymphocytic leukemia treated with venetoclax under real-world conditions: results from the prospective observational VeRVe study. Ann Hematol 2024; 103:2013-2020. [PMID: 38421404 PMCID: PMC11090950 DOI: 10.1007/s00277-024-05638-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/19/2024] [Indexed: 03/02/2024]
Abstract
Venetoclax is active in both frontline and relapsed/refractory settings for the treatment of chronic lymphocytic leukemia (CLL). Although the prevalence and severity of tumor lysis syndrome (TLS) are well characterized in clinical trials, laboratory and clinical TLS remain relatively unexplored in real-world clinical practice.In this prospective, real-world observational study, we aimed to determine the incidence and outcomes of TLS in patients with CLL receiving venetoclax outside a clinical trial. The study (VeRVe) was conducted in centers in Austria, Germany, and Switzerland.Two hundred and thirty-nine patients were treated according to local label with at least one dose of venetoclax. Patient demographics, baseline characteristics, and blood chemistry at baseline were documented, and descriptive statistical analyses were conducted.Seventy eight patients (33%) were treated with venetoclax monotherapy, 101 (42%) with venetoclax in combination with rituximab and 60 (25%) with venetoclax in combination with obinutuzumab. In all cases, the TLS risk mitigation strategy adhered to the ramp-up protocol. Median age was 73 years and 66% of patients were male. The majority of patients (75%) had relapsed/refractory CLL, 63/192 (32.8%) patients tested had a del(17p) and 93/134 (69.4%) patients tested had unmutated immunoglobulin heavy chain variable region gene (IGHV). Clinical TLS occurred in 5 patients (2.1%) and laboratory TLS occurred in 15 patients (6.3%). Ten patients received specific treatment, of which 6 were hospitalized. There were no deaths due to a TLS event and venetoclax was well-tolerated. Of the 5 clinical TLS events reported, none were fatal or resulted in renal failure (NCT03342144, registered on Nov 10, 2017).
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MESH Headings
- Humans
- Tumor Lysis Syndrome/etiology
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Aged
- Sulfonamides/therapeutic use
- Sulfonamides/adverse effects
- Sulfonamides/administration & dosage
- Male
- Female
- Bridged Bicyclo Compounds, Heterocyclic/therapeutic use
- Bridged Bicyclo Compounds, Heterocyclic/adverse effects
- Bridged Bicyclo Compounds, Heterocyclic/administration & dosage
- Aged, 80 and over
- Prospective Studies
- Incidence
- Middle Aged
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antibodies, Monoclonal, Humanized/adverse effects
- Antibodies, Monoclonal, Humanized/administration & dosage
- Antineoplastic Combined Chemotherapy Protocols/adverse effects
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Germany/epidemiology
- Rituximab/administration & dosage
- Rituximab/adverse effects
- Rituximab/therapeutic use
- Austria/epidemiology
- Antineoplastic Agents/adverse effects
- Antineoplastic Agents/therapeutic use
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Affiliation(s)
- Ingo Schwaner
- Onkologische Schwerpunktpraxis Kurfuerstendamm, Kurfuerstendamm 65, 10707, Berlin, Germany.
| | - Thomas Kuhn
- AbbVie Deutschland GmbH & Co. KG, Hämatologie, Wiesbaden, Germany
| | | | | | | | - Matthias Zaiss
- Praxis für interdisziplinäre Onkologie & Hämatologie, Freiburg, Germany
| | | | - Kirsten Famulla
- AbbVie Deutschland GmbH & Co. KG, Hämatologie, Wiesbaden, Germany
| | - Thomas Nösslinger
- 3rd Medical Department for Hematology and Oncology, Hanusch Krankenhaus, Wien, Austria
| | - Davide Rossi
- Clinic of Hematology, Oncology Institute of Southern Switzerland (IOSI), Bellinzona, Switzerland
- Experimental Hematology, Institute of Oncology Research, Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
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13
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Liu J, Li S, Wang Q, Feng Y, Xing H, Yang X, Guo Y, Guo Y, Sun H, Liu X, Yang S, Mei Z, Zhu Y, Cheng Z, Chen S, Xu M, Zhang W, Wan N, Wang J, Ma Y, Zhang S, Luan X, Xu A, Li L, Wang H, Yang X, Hong Y, Xue H, Yuan X, Hu N, Song X, Wang Z, Liu X, Wang L, Liu Y. Sonrotoclax overcomes BCL2 G101V mutation-induced venetoclax resistance in preclinical models of hematologic malignancy. Blood 2024; 143:1825-1836. [PMID: 38211332 PMCID: PMC11076911 DOI: 10.1182/blood.2023019706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 12/27/2023] [Accepted: 12/27/2023] [Indexed: 01/13/2024] Open
Abstract
ABSTRACT Venetoclax, the first-generation inhibitor of the apoptosis regulator B-cell lymphoma 2 (BCL2), disrupts the interaction between BCL2 and proapoptotic proteins, promoting the apoptosis in malignant cells. Venetoclax is the mainstay of therapy for relapsed chronic lymphocytic leukemia and is under investigation in multiple clinical trials for the treatment of various cancers. Although venetoclax treatment can result in high rates of durable remission, relapse has been widely observed, indicating the emergence of drug resistance. The G101V mutation in BCL2 is frequently observed in patients who relapsed treated with venetoclax and sufficient to confer resistance to venetoclax by interfering with compound binding. Therefore, the development of next-generation BCL2 inhibitors to overcome drug resistance is urgently needed. In this study, we discovered that sonrotoclax, a potent and selective BCL2 inhibitor, demonstrates stronger cytotoxic activity in various hematologic cancer cells and more profound tumor growth inhibition in multiple hematologic tumor models than venetoclax. Notably, sonrotoclax effectively inhibits venetoclax-resistant BCL2 variants, such as G101V. The crystal structures of wild-type BCL2/BCL2 G101V in complex with sonrotoclax revealed that sonrotoclax adopts a novel binding mode within the P2 pocket of BCL2 and could explain why sonrotoclax maintains stronger potency than venetoclax against the G101V mutant. In summary, sonrotoclax emerges as a potential second-generation BCL2 inhibitor for the treatment of hematologic malignancies with the potential to overcome BCL2 mutation-induced venetoclax resistance. Sonrotoclax is currently under investigation in multiple clinical trials.
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Affiliation(s)
- Jiuyang Liu
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Shuran Li
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Qin Wang
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Yingcai Feng
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Haimei Xing
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xuefei Yang
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Ying Guo
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Yunhang Guo
- Department of Medicinal Chemistry, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Hanzi Sun
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xiaoxin Liu
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Shasha Yang
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Zhu Mei
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Yutong Zhu
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Zhenzhen Cheng
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Shuaishuai Chen
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Min Xu
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Wenjing Zhang
- Department of Translational Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Nanyan Wan
- Department of Translational Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Jia Wang
- Department of Bioinformatics, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Yanwen Ma
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Shuo Zhang
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xudong Luan
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Aiying Xu
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Lin Li
- Department of Translational Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Haitao Wang
- Department of Translational Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xiaolong Yang
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Yuan Hong
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Hai Xue
- Department of Medicinal Chemistry, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xi Yuan
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Nan Hu
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xiaomin Song
- Department of Pharmacology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Zhiwei Wang
- Department of Medicinal Chemistry, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Xuesong Liu
- Department of Discovery Biology, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Lai Wang
- Research and Clinical Development, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
| | - Ye Liu
- Department of Molecular Science, BeiGene (Beijing) Co, Ltd, Beijing, People’s Republic of China
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14
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Abdallah N, Kumar SK. New Therapies on the Horizon for Relapsed Refractory Multiple Myeloma. Hematol Oncol Clin North Am 2024; 38:511-532. [PMID: 38216384 DOI: 10.1016/j.hoc.2023.12.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
Despite improved treatments, most patients with multiple myeloma (MM) will experience relapse. Several novel agents have demonstrated activity and tolerability in early phase clinical trials. Venetoclax is a B-cell lymphoma 2 (Bcl-2) inhibitor with activity in patients with t(11;14) and/or Bcl-2 expression. Iberdomide and mezigdomide are cereblon E3 ligase modulators with higher potency, immunomodulatory, and antiproliferative activity compared with lenalidomide and pomalidomide. They have shown promising activity in heavily pretreated patients. Modakafusp alfa is an immunocytokine that targets interferons to CD38+ cells. It has demonstrated single agent activity in relapsed/refractory MM in the phase 1 setting.
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Affiliation(s)
- Nadine Abdallah
- Division of Hematology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA
| | - Shaji K Kumar
- Division of Hematology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA.
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15
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Leblay N, Ahn S, Tilmont R, Poorebrahim M, Maity R, Lee H, Barakat E, Alberge JB, Sinha S, Jaffer A, Barwick BG, Boise LH, Bahlis N, Neri P. Integrated epigenetic and transcriptional single-cell analysis of t(11;14) multiple myeloma and its BCL2 dependency. Blood 2024; 143:42-56. [PMID: 37729611 PMCID: PMC10797556 DOI: 10.1182/blood.2023020276] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 09/22/2023] Open
Abstract
ABSTRACT The translocation t(11;14) occurs in 20% of patients with multiple myeloma (MM) and results in the upregulation of CCND1. Nearly two-thirds of t(11;14) MM cells are BCL2 primed and highly responsive to the oral BCL2 inhibitor venetoclax. Although it is evident that this unique sensitivity to venetoclax depends on the Bcl-2 homology domain 3- proapoptotic protein priming of BCL2, the biology underlying t(11;14) MM dependency on BCL2 is poorly defined. Importantly, the epigenetic regulation of t(11;14) transcriptomes and its impact on gene regulation and clinical response to venetoclax remain elusive. In this study, by integrating assay for transposase-accessible chromatin by sequencing (ATAC-seq) and RNA-seq at the single-cell level in primary MM samples, we have defined the epigenetic regulome and transcriptome associated with t(11;14) MM. A B-cell-like epigenetic signature was enriched in t(11;14) MM, confirming its phylogeny link to B-cell rather than plasma cell biology. Of note, a loss of a B-cell-like epigenetic signature with a gain of canonical plasma cell transcription factors was observed at the time of resistance to venetoclax. In addition, MCL1 and BCL2L1 copy number gains and structural rearrangements were linked to venetoclax resistance in patients with t(11;14) MM. To date, this is the first study in which both single-cell (sc) ATAC-seq and scRNA-seq analysis are integrated into primary MM cells to obtain a deeper resolution of the epigenetic regulome and transcriptome associated with t(11;14) MM biology and venetoclax resistance.
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Affiliation(s)
- Noémie Leblay
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Sungwoo Ahn
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
- Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, AB, Canada
| | - Rémi Tilmont
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Mansour Poorebrahim
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Ranjan Maity
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Holly Lee
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Elie Barakat
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | | | - Sarthak Sinha
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Arzina Jaffer
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Benjamin G. Barwick
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Atlanta, GA
- Winship Cancer Institute, Emory University, Atlanta, GA
| | - Lawrence H. Boise
- Department of Hematology and Medical Oncology, Emory University School of Medicine, Atlanta, GA
- Winship Cancer Institute, Emory University, Atlanta, GA
| | - Nizar Bahlis
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
| | - Paola Neri
- Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, AB, Canada
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16
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Forsberg M, Konopleva M. SOHO State of the Art Updates and Next Questions: Understanding and Overcoming Venetoclax Resistance in Hematologic Malignancies. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2024; 24:1-14. [PMID: 38007372 DOI: 10.1016/j.clml.2023.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 11/27/2023]
Abstract
The discovery of Venetoclax (VEN) has transformed the therapeutic landscape of acute myeloid leukemia (AML) and chronic lymphocytic leukemia (CLL). However, the response is heterogeneous with 10% to 50% of newly diagnosed AML patients not responding to hypomethylating agent (HMA) and VEN. Furthermore, up to 40% of responding patients relapse shortly. This review discusses the mechanism of action of Venetoclax and the major mechanisms of inherent and acquired resistance to VEN. VEN is highly specific to BCL-2 binding, as such other antiapoptotic proteins in BCL-2 family induce resistance. These antiapoptotic proteins can also be upregulated via a number of compensatory cell signaling pathways including PI3K/AKT/mTOR, the MAPK/ERK pathway, and mutant FLT3-ITD. Mutations can occur in BCL-2 and BAX proteins, or they can be silenced by TP53 mutations and other epigenetic changes. Changes to mitochondrial structure and metabolism can induce resistance. Key metabolic regulators include OXPHOS and alternative amino acid metabolism. Finally microenvironmental factors can influence VEN responses. This paper evaluates subsets of AML by differentiation, histology, cytogenetics and molecular markers and their different responses to VEN; with spliceosome mutations, ASXL1, NPM1 and IDH1/2 being favorable while others such as FLT3, TP53 and BCL-2 mutations being less responsive. Currently intensive multiagent chemotherapy and Venetoclax combinations such as 7+3+VEN are favored in fit younger AML patients. However, with resistant patients' subsets targeted combination therapies are becoming an increasingly attractive option. We explore the incorporation of non-BCL-2 inhibitors, next-generation BCL-2 and multi-protein agents, other inhibitors most prominently FLT-3 inhibitors in addition to Venetoclax, and other novel approaches for resolving Venetoclax resistance.
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Affiliation(s)
- Mark Forsberg
- Department of Oncology, Montefiore Einstein Cancer Center, Bronx, NY
| | - Marina Konopleva
- Department of Oncology, Montefiore Einstein Cancer Center, Bronx, NY.
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17
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Lateef Al-Awsi GR, Arshed U, Arif A, Ramírez-Coronel AA, Alhassan MS, Mustafa YF, Rahman FF, Zabibah RS, Gupta J, Iqbal MS, Iswanto AH, Farhood B. The Chemoprotective Potentials of Alpha-lipoic Acid against Cisplatin-induced Ototoxicity: A Systematic Review. Curr Med Chem 2024; 31:3588-3603. [PMID: 37165582 DOI: 10.2174/0929867330666230509162513] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/08/2023] [Accepted: 04/05/2023] [Indexed: 05/12/2023]
Abstract
PURPOSE Ototoxicity is one of the major adverse effects of cisplatin therapy which restrict its clinical application. Alpha-lipoic acid administration may mitigate cisplatin-induced ototoxicity. In the present study, we reviewed the protective potentials of alpha-lipoic acid against the cisplatin-mediated ototoxic adverse effects. METHODS Based on the PRISMA guideline, we performed a systematic search for the identification of all relevant studies in various electronic databases up to June 2022. According to the inclusion and exclusion criteria, the obtained articles (n=59) were screened and 13 eligible articles were finally included in the present study. RESULTS The findings of in-vitro experiments showed that cisplatin treatment significantly reduced the auditory cell viability in comparison with the control group; nevertheless, the alpha-lipoic acid co-administration protected the cells against the reduction of cell viability induced by cisplatin treatment. Moreover, the in-vivo results of the auditory brainstem response (ABR) and distortion product otoacoustic emission (DPOAE) tests revealed a decrease in DPOAE and an increase in ABR threshold of cisplatin-injected animals; however, it was shown that alpha-lipoic acid co-treatment had an opposite pattern on the evaluated parameters. Other findings demonstrated that cisplatin treatment could significantly induce the biochemical and histopathological alterations in inner ear cells/tissue; in contrast, alpha-lipoic acid co-treatment ameliorated the cisplatin-mediated biochemical and histological changes. CONCLUSION The findings of audiometry, biochemical parameters, and histological evaluation showed that alpha-lipoic acid co-administration alleviates the cisplatin-induced ototoxicity. The protective role of alpha-lipoic acid against the cisplatin-induced ototoxicity can be due to different mechanisms of anti-oxidant, anti-apoptotic, anti-inflammatory activities, and regulation of cell cycle progression.
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Affiliation(s)
| | - Uzma Arshed
- Gujranwala Medical College, Gujranwala, Pakistan
| | - Anam Arif
- Gujranwala Medical College, Gujranwala, Pakistan
| | | | - Muataz S Alhassan
- Division of Advanced Nanomaterial Technologies, Scientific Research Center, Al-Ayen University, Thi-Qar, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul-41001, Iraq
| | - Ferry Fadzlul Rahman
- Public Health Department, Universitas Muhammadiyah Kalimantan Timur, Samarinda, Indonesia
| | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura, Pin Code 281406, U.P., India
| | - Muhammad Shahid Iqbal
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | - Acim Heri Iswanto
- Public Health Department, Faculty of Health Science, University of Pembangunan Nasional Veteran Jakarta, Jakarta, Indonesia
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
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18
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Kleber M, Ntanasis-Stathopoulos I, Terpos E. The Role of t(11;14) in Tailoring Treatment Decisions in Multiple Myeloma. Cancers (Basel) 2023; 15:5829. [PMID: 38136374 PMCID: PMC10742268 DOI: 10.3390/cancers15245829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Multiple myeloma (MM) represents a hematological neoplasia with an uncontrolled proliferation of malignant plasma cells and complex cytogenetic abnormalities. t(11;14) has emerged as a crucial genetic aberration and is one of the most common primary translocations in MM. Patients harboring t(11;14) represent a distinctive subgroup with a clinical profile that differs from t(11;14)-negative MM risk categories. One of the key features linked with t(11;14) is the BCL2 dependency, indicating vulnerability to BCL2 inhibition. BCL2 inhibitors, such as venetoclax, demonstrated impressive efficacy alone or in combination with other anti-myeloma drugs in patients with RRMM accompanied by t(11;14) and BCL2 overexpression. Therefore, t(11;14) plays a key role in both risk stratification and informed decision making towards a tailored therapy. In this review, we highlight the biology of t(11;14) in MM cells, summarize the current evolving role of t(11;14) in the era of novel agents and novel targeted therapies, illuminate current efficacy and safety data of BCL2-based treatment options and explore the future prospects of individualized precision medicine for this special subgroup of patients with MM.
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Affiliation(s)
- Martina Kleber
- Department of Internal Medicine, Clinic Hirslanden Zurich, 8032 Zurich, Switzerland;
- Faculty of Medicine, University of Basel, 4031 Basel, Switzerland
| | - Ioannis Ntanasis-Stathopoulos
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Evangelos Terpos
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, 11527 Athens, Greece
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19
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Guan J, Ma J, Chen B. Clinical and cytogenetic characteristics of primary and secondary plasma cell leukemia under the new IMWG definition criteria: a retrospective study. Hematology 2023; 28:2254556. [PMID: 37732631 DOI: 10.1080/16078454.2023.2254556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 08/29/2023] [Indexed: 09/22/2023] Open
Abstract
BACKGROUND Plasma cell leukemia (PCL) is a rare and aggressive plasma cell disorder, exhibiting a more unfavorable prognosis than multiple myeloma. PCL is classified into pPCL and sPCL. Recently, the IMWG has recommended new PCL definition criteria, which require the presence of ≥5% circulating plasma cells in peripheral blood smears. Due to its low incidence, research on pPCL and sPCL is limited. METHODS We conducted a retrospective study and analyzed clinical and cytogenetic data of pPCL and sPCL patients. Overall survival (OS) and progression-free survival (PFS) were assessed by the Kaplan-Meier method, and survival distributions were compared using the log-rank test. RESULTS This is a small cohort comprising 23 pPCL and 9 sPCL patients. Notably, sPCL patients showed a higher incidence of extramedullary infiltration and a higher percentage of bone marrow plasma cells (p = 0.015 and 0.025, respectively). Although no significant difference was found between the two groups in OS and PFS, a trend emerged suggesting a superior survival outcome for pPCL patients, with a higher cumulative 1-year PFS rate (38.3% vs. 13.3%) and a lower early mortality rate (mortality rate at 3 months: 15% vs. 33%). We also suggested that pPCL patients carrying t(11;14) may have a longer median survival time than individuals with other cytogenetic abnormalities, but this was not confirmed due to the small sample size. CONCLUSION Our study revealed clinical and cytogenetic features of pPCL and sPCL patients according to the new diagnostic criteria. The findings suggested a generally better prognosis for pPCL than sPCL and the likelihood of t(11;14) translocation acting as a favorable prognostic factor in pPCL. It is important to note that our study had a limited sample size, which may lead to bias. We hope well-designed studies can be conducted to provide more results.
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Affiliation(s)
- Jiaheng Guan
- Department of Hematology and Oncology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Jinlong Ma
- Department of Hematology and Oncology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Baoan Chen
- Department of Hematology and Oncology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, People's Republic of China
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20
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He W, He F, Hu H. Efficacy and safety of Venetoclax-based regimens in relapsed or refractory multiple myeloma: a systematic review and meta-analysis of prospective clinical trials. Ann Med 2023; 55:1029-1036. [PMID: 36911885 PMCID: PMC10795640 DOI: 10.1080/07853890.2023.2186480] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 02/26/2023] [Indexed: 03/14/2023] Open
Abstract
BACKGROUND Multiple myeloma (MM) is an incurable malignancy. Venetoclax (VEN) shows a meaningful effect in MM patients who are relapsed or refractory (RR) to previous standard therapies. OBJECTIVE This study aimed to assess the efficacy and safety of VEN-based treatments in RR MM patients. MATERIALS AND METHODS Comprehensive studies were searched in PubMed, Embase, Web of Science and Cochrane library. Efficacy was assessed by overall response rate (ORR), strict complete response rate (sCR), complete response rate (CR), very good partial response rate (VGPR) and partial response rate (PR). RESULTS Seven studies containing 482 subjests were included. The pooled ORR, ≥ CR (sCR + CR), VGPR and PR were 68% (51%-85%), 24% (13%-35%), 25% (17%-34%) and 17% (11%-24%) respectively. Multi-drug treatments were superior to VEN ± dexamethasone (Dex) treatments in ORR (82% vs 42%, p = .003) and ≥ CR (36% vs 7%, p < 0.00001). Subgroup analysis indicated patients achieve higher ORR who harboring t(11;14) translocation or containing high BCL-2 expression. CONCLUSIONS VEN-containing regimens could be suggested as effective and safe treatments to RR MM patients with t(11;14) or high BCL-2 levels.
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Affiliation(s)
- Wei He
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, People’s Republic of China
| | - Fang He
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, People’s Republic of China
| | - Huixian Hu
- Department of Hematology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang, People’s Republic of China
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21
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Gao X, Zeng H, Zhao X, Wu H, Yan M, Li Y, Zhang G, Sun F. Efficacy and safety of venetoclax in patients with relapsed/refractory multiple myeloma: a meta-analysis. BMC Cancer 2023; 23:1058. [PMID: 37924016 PMCID: PMC10623759 DOI: 10.1186/s12885-023-11553-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 10/20/2023] [Indexed: 11/06/2023] Open
Abstract
BACKGROUND Venetoclax is clinically active in treating relapsed/refractory multiple myeloma (RRMM). This study evaluated the efficacy and safety of venetoclax or venetoclax with other agents in treating RRMM. METHODS PubMed, Web of Science, Embase, and Cochrane Library were comprehensively searched. We included studies investigating the efficacy and safety of venetoclax or venetoclax with other agents in treating RRMM. Overall response rates (ORR), stringent complete response rates (sCR), complete response rates (CR), very good partial response rates (VGPR), partial response rates (PR), stable disease (SD), progressive disease (PD) and adverse events were synthesized using either a random-effects model or a fixed-effects model. RESULTS A total of 7 clinical trials with 482 patients with RRMM were included. Concerning venetoclax with other agents, the pooled ORR, sCR, CR, VGPR, PR, SD, and PD were 0.76 (95% CIs: 0.62, 0.87), 0.11 (95% CIs: 0.04, 0.21), 0.18 (95% CIs: 0.11, 0.26), 0.16 (95% CIs: 0.12, 0.25), 0.29 (95% CIs: 0.25, 0.34), 0.07 (95% CIs: 0.05, 0.10), and 0.11 (95% CIs: 0.04, 0.23). The overall rate of adverse events ≥ Grade 3 was 0.84 (95% CIs: 0.77, 0.91). The most common non-hematologic adverse events were nausea, diarrhea, fatigue, back pain, and vomiting; hematologic adverse events included thrombocytopenia, neutropenia, anemia, leukopenia, and lymphopenia. CONCLUSIONS This study indicates that venetoclax alone or in combination with other agents reveals favorable treatment responses and acceptable adverse events in treating RRMM.
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Affiliation(s)
- Xiaohui Gao
- Departments of Pediatrics, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Hui Zeng
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Xiaoyan Zhao
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Haibing Wu
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Minchao Yan
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Yuan Li
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China
| | - Gang Zhang
- Departments of Hematology, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China.
| | - Fei Sun
- Departments of Pediatrics, The Affiliated Hospital of Jiaxing University, Jiaxing, 314000, Zhejiang, China.
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22
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Santinelli E, Pascale MR, Xie Z, Badar T, Stahl MF, Bewersdorf JP, Gurnari C, Zeidan AM. Targeting apoptosis dysregulation in myeloid malignancies - The promise of a therapeutic revolution. Blood Rev 2023; 62:101130. [PMID: 37679263 DOI: 10.1016/j.blre.2023.101130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/09/2023]
Abstract
In recent years, the therapeutic landscape of myeloid malignancies has been completely revolutionized by the introduction of several new drugs, targeting molecular alterations or pathways crucial for leukemia cells survival. Particularly, many agents targeting apoptosis have been investigated in both pre-clinical and clinical studies. For instance, venetoclax, a pro-apoptotic agent active on BCL-2 signaling, has been successfully used in the treatment of acute myeloid leukemia (AML). The impressive results achieved in this context have made the apoptotic pathway an attractive target also in other myeloid neoplasms, translating the experience of AML. Therefore, several drugs are now under investigation either as single or in combination strategies, due to their synergistic efficacy and capacity to overcome resistance. In this paper, we will review the mechanisms of apoptosis and the specific drugs currently used and under investigation for the treatment of myeloid neoplasia, identifying critical research necessities for the upcoming years.
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Affiliation(s)
- Enrico Santinelli
- Department of Biomedicine and Prevention, PhD in Immunology, Molecular Medicine and Applied Biotechnology, University of Rome Tor Vergata, 00133 Rome, Italy; Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Maria Rosaria Pascale
- Department of Biomedicine and Prevention, PhD in Immunology, Molecular Medicine and Applied Biotechnology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Zhuoer Xie
- Department of Malignant Hematology, H. Lee Moffitt Cancer Center, Tampa, FL, USA
| | - Talha Badar
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL, USA
| | - Maximilian F Stahl
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Jan P Bewersdorf
- Department of Medicine, Leukemia Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Carmelo Gurnari
- Department of Biomedicine and Prevention, PhD in Immunology, Molecular Medicine and Applied Biotechnology, University of Rome Tor Vergata, 00133 Rome, Italy; Department of Translational Hematology and Oncology Research, Taussig Cancer Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Amer M Zeidan
- Section of Hematology, Department of Internal Medicine, Yale School of Medicine and Yale Cancer Center, New Haven, CT, USA.
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23
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Milnerowicz S, Maszewska J, Skowera P, Stelmach M, Lejman M. AML under the Scope: Current Strategies and Treatment Involving FLT3 Inhibitors and Venetoclax-Based Regimens. Int J Mol Sci 2023; 24:15849. [PMID: 37958832 PMCID: PMC10647248 DOI: 10.3390/ijms242115849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/15/2023] Open
Abstract
Acute myeloid leukemia (AML) is a disease that mainly affects elderly patients who are more often unfit for intensive chemotherapy (median age of diagnosis is 68). The regimens, including venetoclax, a highly specific BCL-2 (B-cell lymphoma-2) inhibitor, are a common alternative because of their safer profile and fewer side effects. However, the resistance phenomenon of leukemic cells necessitates the search for drugs that would help to overcome the resistance and improve treatment outcomes. One of the resistance mechanisms takes place through the upregulation of MCL-1 and BCL-XL, preventing BAX/BAK-driven MOMP (mitochondrial outer membrane permeabilization), thus stopping the apoptosis process. Possible partners for BCL-2 inhibitors may include inhibitors from the FLT3i (FMS-like tyrosine kinase-3 inhibitor) group. They resensitize cancer cells through the downregulation of MCL-1 expression in the FLT3 mutated cells, resulting in the stronger efficacy of BCL-2 inhibitors. Also, they provide an additional pathway for targeting the clonal cell. Both preclinical and clinical data suggest that the combination might show a synergistic effect and improve patients' outcomes. The aim of this review is to determine whether the combination of venetoclax and FLT3 inhibitors can impact the therapeutic approaches and what other agents they can be combined with.
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Affiliation(s)
- Szymon Milnerowicz
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (J.M.)
| | - Julia Maszewska
- Student Scientific Society, Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (J.M.)
| | - Paulina Skowera
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
| | - Magdalena Stelmach
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
| | - Monika Lejman
- Independent Laboratory of Genetic Diagnostics, Medical University of Lublin, 20-093 Lublin, Poland; (P.S.); (M.S.)
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24
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Wu L, Chen Z, Yu Q, Fang J, Chen Y, Chen Y, Wang K, Xu Y, Song W, Peng Z. NAD (P)H Quinone Dehydrogenase 1-Targeting Triptolide Analogue Causes Tumor Regression and Sensitizes Cisplatin-Resistant Lung Cancer to Chemotherapy. ACS Pharmacol Transl Sci 2023; 6:1508-1517. [PMID: 37854615 PMCID: PMC10580380 DOI: 10.1021/acsptsci.3c00144] [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: 07/08/2023] [Indexed: 10/20/2023]
Abstract
Cisplatin (DDP) is a first-line chemotherapeutic drug against lung cancer. Nonetheless, the effectiveness of this drug is hampered by drug resistance. Overcoming drug resistance is crucial for improving the outcomes of lung cancer treatment. Here, we reported the effect of CX-23, an activated triptolide analogue that targets NAD (P)H quinone dehydrogenase 1 (NQO1), on DDP-resistant lung cancer and sensitizes DDP-resistant lung cancer to chemotherapy. Our findings unveiled the antiproliferative activity of CX-23 against both A549- and DDP-resistant A549 (A549/DDP) cells while enhancing the chemosensitivity of these cells to DDP. Notably, CX-23 demonstrated no toxicity toward normal lung cells. Further investigations revealed that CX-23 exerts its effects by blocking AKT phosphorylation, leading to reduced expression of Mcl-1 and Bcl-2, and upregulating cleaved-caspase-3 levels, ultimately inducing apoptosis in cancer cells. CX-23 can be rapidly transformed in both A549 and A549/DDP cell lysates while remaining stable in mouse plasma and normal lung tissues. Pharmacokinetic analysis showed that CX-23 can distribute to lung tissues. Moreover, in vivo studies showed that CX-23 can prevent DDP-resistant lung cancer progression without causing any toxicity in the liver, kidneys, or lungs after 6 weeks of treatment. The combination of CX-23 and DDP not only significantly inhibited tumor progression compared to DDP alone but also attenuated DDP-induced kidney toxicity. These findings suggest that CX-23 alone or in combination with DDP may provide an alternative therapeutic option for DDP-resistant lung cancer.
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Affiliation(s)
- Liuying Wu
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
| | - Zhelin Chen
- Department
of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350004, China
| | - Qing Yu
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
| | - Jinxin Fang
- Department
of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350004, China
| | - Yong Chen
- Department
of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350004, China
| | - Yuhan Chen
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
| | - Kai Wang
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
- Hubei
Jiangxia Laboratory, Wuhan, Hubei 430200, China
| | - Yan Xu
- Department
of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350004, China
| | - Wei Song
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
| | - Zhihong Peng
- National
& Local Joint Engineering Research Center of High-Throughput Drug
Screening Technology, College of Health Science and Engineering, Hubei University, Wuhan 430062, China
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25
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Tanaka M, Yasui M, Hara-Chikuma M. Aquaporin 3 inhibition suppresses the mitochondrial respiration rate and viability of multiple myeloma cells. Biochem Biophys Res Commun 2023; 676:158-164. [PMID: 37517218 DOI: 10.1016/j.bbrc.2023.07.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/12/2023] [Accepted: 07/24/2023] [Indexed: 08/01/2023]
Abstract
Aquaporin 3 (AQP3) is a member of the aquaporin water channel family expressed by numerous cell types, including some cancer cells. Accumulating evidence suggests that AQP3 inhibition may impede cancer progression, but drugs targeting AQP3 are still in the early pre-clinical stage of development. Here, we examined the effect of AQP3 inhibition on multiple myeloma (MM), an incurable plasma cell malignancy. Four MM cell lines were cultured in the presence of an anti-AQP3 monoclonal antibody (mAb), the AQP3 inhibitor DFP00173, or corresponding controls, and the effects on cell viability, proliferation, apoptosis, and mitochondrial respiration capacity were compared. Both anti-AQP3 mAb and DFP00173 reduced cell growth, mitochondrial respiration rate, and electron transport chain complex I activity. Both agents also potentiated the antiproliferative efficacy of the anticancer drug venetoclax. Administration of the anti-AQP3 mAb to immunodeficient mice inoculated with RPMI8226 or KMS-11 MM cells significantly suppressed tumor growth. These data provide evidence that AQP3 blockade can suppress MM cell growth in vitro and tumor growth in mice. Thus, AQP3 inhibition may be an effective therapeutic strategy for MM.
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Affiliation(s)
- Manami Tanaka
- Department of Pharmacology, School of Medicine, Keio University, 160-8582, Japan
| | - Masato Yasui
- Department of Pharmacology, School of Medicine, Keio University, 160-8582, Japan; Keio Advanced Institute for Water Biology and Medicine, Japan
| | - Mariko Hara-Chikuma
- Department of Pharmacology, School of Medicine, Keio University, 160-8582, Japan.
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26
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Shah K, Nasimian A, Ahmed M, Al Ashiri L, Denison L, Sime W, Bendak K, Kolosenko I, Siino V, Levander F, Palm-Apergi C, Massoumi R, Lock RB, Kazi JU. PLK1 as a cooperating partner for BCL2-mediated antiapoptotic program in leukemia. Blood Cancer J 2023; 13:139. [PMID: 37679323 PMCID: PMC10484999 DOI: 10.1038/s41408-023-00914-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/15/2023] [Accepted: 08/24/2023] [Indexed: 09/09/2023] Open
Abstract
The deregulation of BCL2 family proteins plays a crucial role in leukemia development. Therefore, pharmacological inhibition of this family of proteins is becoming a prevalent treatment method. However, due to the emergence of primary and acquired resistance, efficacy is compromised in clinical or preclinical settings. We developed a drug sensitivity prediction model utilizing a deep tabular learning algorithm for the assessment of venetoclax sensitivity in T-cell acute lymphoblastic leukemia (T-ALL) patient samples. Through analysis of predicted venetoclax-sensitive and resistant samples, PLK1 was identified as a cooperating partner for the BCL2-mediated antiapoptotic program. This finding was substantiated by additional data obtained through phosphoproteomics and high-throughput kinase screening. Concurrent treatment using venetoclax with PLK1-specific inhibitors and PLK1 knockdown demonstrated a greater therapeutic effect on T-ALL cell lines, patient-derived xenografts, and engrafted mice compared with using each treatment separately. Mechanistically, the attenuation of PLK1 enhanced BCL2 inhibitor sensitivity through upregulation of BCL2L13 and PMAIP1 expression. Collectively, these findings underscore the dependency of T-ALL on PLK1 and postulate a plausible regulatory mechanism.
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Affiliation(s)
- Kinjal Shah
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Ahmad Nasimian
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Mehreen Ahmed
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Lina Al Ashiri
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Linn Denison
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Wondossen Sime
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Katerina Bendak
- Children's Cancer Institute, Lowy Cancer Research Centre, School of Clinical Medicine, UNSW Medicine & Health, Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Iryna Kolosenko
- Department of Laboratory Medicine, Biomolecular & Cellular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Valentina Siino
- Department of Immunotechnology, Lund University, Lund, Sweden
| | - Fredrik Levander
- Department of Immunotechnology, Lund University, Lund, Sweden
- National Bioinformatics Infrastructure Sweden (NBIS), Science for Life Laboratory, Lund University, Lund, Sweden
| | - Caroline Palm-Apergi
- Department of Laboratory Medicine, Biomolecular & Cellular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ramin Massoumi
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Richard B Lock
- Children's Cancer Institute, Lowy Cancer Research Centre, School of Clinical Medicine, UNSW Medicine & Health, Centre for Childhood Cancer Research, UNSW Sydney, Sydney, NSW, Australia
| | - Julhash U Kazi
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden.
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, Lund, Sweden.
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Oliveira RC, Gama J, Casanova J. B-cell lymphoma 2 family members and sarcomas: a promising target in a heterogeneous disease. EXPLORATION OF TARGETED ANTI-TUMOR THERAPY 2023; 4:583-599. [PMID: 37720343 PMCID: PMC10501895 DOI: 10.37349/etat.2023.00154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 04/14/2023] [Indexed: 09/19/2023] Open
Abstract
Targeting the B-cell lymphoma 2 (Bcl-2) family proteins has been the backbone for hematological malignancies with overall survival improvements. The Bcl-2 family is a major player in apoptosis regulation and, has captured the researcher's interest in the treatment of solid tumors. Sarcomas are a heterogeneous group of diseases, comprising several entities, with high morbidity and mortality and with few specific therapies available. The treatment for sarcomas is based on platinum regimens, with variable results and poor outcomes, especially in advanced lesions. The high number of different sarcoma entities makes treatment standardization as well as the performance of clinical trials difficult. The use of Bcl-2 family members modifiers has revealed promising results in in vitro and in vivo models and may be a valid option, especially when used in combination with chemotherapy. In this article, a revision of these results and possibilities for the use of Bcl-2 family members inhibitors in sarcomas was performed.
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Affiliation(s)
- Rui Caetano Oliveira
- Centro de Anatomia Patológica Germano de Sousa, 3000 Coimbra, Portugal
- Coimbra Institute for Clinical and Biomedical Research (iCBR), 3000 Coimbra, Portugal
- Centre of Investigation on Genetics and Oncobiology (CIMAGO), 3000 Coimbra, Portugal
| | - João Gama
- Pathology Department, Centro Hospitalar e Universitário de Coimbra, 3000 Coimbra, Portugal
| | - José Casanova
- Centre of Investigation on Genetics and Oncobiology (CIMAGO), 3000 Coimbra, Portugal
- Orthopedic Oncology Department, Centro Hospitalar e Universitário de Coimbra, 3000 Coimbra, Portugal
- Faculdade de Medicina da Universidade de Coimbra, 3000 Coimbra, Portugal
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Maffeo B, Panuzzo C, Moraca A, Cilloni D. A Leukemic Target with a Thousand Faces: The Mitochondria. Int J Mol Sci 2023; 24:13069. [PMID: 37685874 PMCID: PMC10487524 DOI: 10.3390/ijms241713069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/16/2023] [Accepted: 08/19/2023] [Indexed: 09/10/2023] Open
Abstract
In the era of personalized medicine greatly improved by molecular diagnosis and tailor-made therapies, the survival rate of acute myeloid leukemia (AML) at 5 years remains unfortunately low. Indeed, the high heterogeneity of AML clones with distinct metabolic and molecular profiles allows them to survive the chemotherapy-induced changes, thus leading to resistance, clonal evolution, and relapse. Moreover, leukemic stem cells (LSCs), the quiescent reservoir of residual disease, can persist for a long time and activate the recurrence of disease, supported by significant metabolic differences compared to AML blasts. All these points highlight the relevance to develop combination therapies, including metabolism inhibitors to improve treatment efficacy. In this review, we summarized the metabolic differences in AML blasts and LSCs, the molecular pathways related to mitochondria and metabolism are druggable and targeted in leukemia therapies, with a distinct interest for Venetoclax, which has revolutionized the therapeutic paradigms of several leukemia subtype, unfit for intensive treatment regimens.
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Affiliation(s)
| | - Cristina Panuzzo
- Department of Clinical and Biological Sciences, University of Turin, 10043 Orbassano, Italy; (B.M.); (A.M.); (D.C.)
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29
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Wang J, Ji Y, Ai C, Chen JR, Gan D, Zhang J, Mo JQ, Guan MX. Optimized allotopic expression of mitochondrial ND6 transgene restored complex I and apoptosis deficiencies caused by LHON-linked ND6 14484T > C mutation. J Biomed Sci 2023; 30:63. [PMID: 37537557 PMCID: PMC10399063 DOI: 10.1186/s12929-023-00951-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 07/11/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND Leber's hereditary optic neuropathy (LHON) is a maternally inherited eye disease due to mutations in mitochondrial DNA. However, there is no effective treatment for this disease. LHON-linked ND6 14484T > C (p.M64V) mutation caused complex I deficiency, diminished ATP production, increased production of reactive oxygen species (ROS), elevated apoptosis, and impaired mitophagy. Here, we investigated if the allotopic expression of human mitochondrial ND6 transgene corrected the mitochondrial dysfunctions due to LHON-associated m.14484T > C mutation. METHODS Nucleus-versions of ND6 was generated by changing 6 non-universal codons with universal codons and added to mitochondrial targeting sequence of COX8. Stable transfectants were generated by transferring human ND6 cDNA expressed in a pCDH-puro vector into mutant cybrids carrying the m.14484T > C mutation and control cybrids. The effect of allotopic expression of ND6 on oxidative phosphorylation (OXPHOS) was evaluated using Blue Native gel electrophoresis and extracellular flux analyzer. Assessment of ROS production in cell lines was performed by flow cytometry with MitoSOX Red reagent. Analyses for apoptosis and mitophagy were undertaken via flow cytometry, TUNEL and immunofluorescence assays. RESULTS The transfer of human ND6 into the cybrids carrying the m.14484T > C mutation raised the levels of ND6, ND1 and ND4L but did not change the levels of other mitochondrial proteins. The overexpression of ND6 led to 20~23% increases in the assembly and activity of complex I, and ~ 53% and ~ 33% increases in the levels of mitochondrial ATP and ΔΨm in the mutant cybrids bearing m.14484T > C mutation. Furthermore, mutant cybrids with overexpression of ND6 exhibited marked reductions in the levels of mitochondrial ROS. Strikingly, ND6 overexpression markedly inhibited the apoptosis process and restored impaired mitophagy in the cells carrying m.14484T > C mutation. However, overexpression of ND6 did not affect the ND6 level and mitochondrial functions in the wild-type cybrids, indicating that this ND6 level appeared to be the maximum threshold level to maintain the normal cell function. CONCLUSION We demonstrated that allotopic expression of nucleus-versions of ND6 restored complex I, apoptosis and mitophagy deficiencies caused by the m.14484T > C mutation. The restoration of m.14484T > C mutation-induced mitochondrial dysfunctions by overexpression of ND6 is a step toward therapeutic interventions for LHON and mitochondrial diseases.
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Affiliation(s)
- Jing Wang
- Center for Mitochondrial Biomedicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Division of Medical Genetics and Genomics, The Children's Hospital, Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
| | - Yanchun Ji
- Division of Medical Genetics and Genomics, The Children's Hospital, Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
| | - Cheng Ai
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
| | - Jia-Rong Chen
- Center for Mitochondrial Biomedicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Division of Medical Genetics and Genomics, The Children's Hospital, Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
| | - Dingyi Gan
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
| | - Juanjuan Zhang
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jun Q Mo
- Department of Pathology, Rady Children's Hospital, University of California at San Diego School of Medicine, San Diego, California, USA
| | - Min-Xin Guan
- Center for Mitochondrial Biomedicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Division of Medical Genetics and Genomics, The Children's Hospital, Zhejiang University School of Medicine and National Clinical Research Center for Child Health, Hangzhou, Zhejiang, China.
- Institute of Genetics, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, Zhejiang, China.
- Zhejiang Provincial Key Laboratory of Genetic and Developmental Disorders, Hangzhou, Zhejiang, China.
- Key Lab of Reproductive Genetics, Ministry of Education of PRC, Zhejiang University, Hangzhou, Zhejiang, China.
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Baughn LB, Jessen E, Sharma N, Tang H, Smadbeck JB, Long MD, Pearce K, Smith M, Dasari S, Sachs Z, Linden MA, Cook J, Keith Stewart A, Chesi M, Mitra A, Leif Bergsagel P, Van Ness B, Kumar SK. Mass Cytometry reveals unique phenotypic patterns associated with subclonal diversity and outcomes in multiple myeloma. Blood Cancer J 2023; 13:84. [PMID: 37217482 PMCID: PMC10203138 DOI: 10.1038/s41408-023-00851-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 04/26/2023] [Accepted: 05/02/2023] [Indexed: 05/24/2023] Open
Abstract
Multiple myeloma (MM) remains an incurable plasma cell (PC) malignancy. Although it is known that MM tumor cells display extensive intratumoral genetic heterogeneity, an integrated map of the tumor proteomic landscape has not been comprehensively evaluated. We evaluated 49 primary tumor samples from newly diagnosed or relapsed/refractory MM patients by mass cytometry (CyTOF) using 34 antibody targets to characterize the integrated landscape of single-cell cell surface and intracellular signaling proteins. We identified 13 phenotypic meta-clusters across all samples. The abundance of each phenotypic meta-cluster was compared to patient age, sex, treatment response, tumor genetic abnormalities and overall survival. Relative abundance of several of these phenotypic meta-clusters were associated with disease subtypes and clinical behavior. Increased abundance of phenotypic meta-cluster 1, characterized by elevated CD45 and reduced BCL-2 expression, was significantly associated with a favorable treatment response and improved overall survival independent of tumor genetic abnormalities or patient demographic variables. We validated this association using an unrelated gene expression dataset. This study represents the first, large-scale, single-cell protein atlas of primary MM tumors and demonstrates that subclonal protein profiling may be an important determinant of clinical behavior and outcome.
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Affiliation(s)
- Linda B Baughn
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA.
| | - Erik Jessen
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Neeraj Sharma
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Hongwei Tang
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - James B Smadbeck
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Mark D Long
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
| | - Kathryn Pearce
- Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Matthew Smith
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Surendra Dasari
- Division of Computational Biology, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, USA
| | - Zohar Sachs
- Division of Hematology, Oncology, and Transplantation, Department of Medicine and Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Michael A Linden
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | - Joselle Cook
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Marta Chesi
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Scottsdale, AZ, USA
| | - Amit Mitra
- Department of Drug Discovery and Development, Auburn University, Auburn, AL, USA
| | - P Leif Bergsagel
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Scottsdale, AZ, USA
| | - Brian Van Ness
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA
| | - Shaji K Kumar
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
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Perrone S, Lopedote P, De Sanctis V, Iamundo De Cumis I, Pulsoni A, Strati P. Novel Drugs and Radiotherapy in Relapsed Lymphomas: Abscopal Response and Beyond. Cancers (Basel) 2023; 15:2751. [PMID: 37345088 DOI: 10.3390/cancers15102751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/04/2023] [Accepted: 05/11/2023] [Indexed: 06/23/2023] Open
Abstract
Combined modality has represented a mainstay of treatment across many lymphoma histologies, given their sensitivity to both multi-agent chemotherapy and intermediate-dose radiotherapy. More recently, several new agents, including immunotherapies, have reshaped the therapeutic panorama of some lymphomas. In parallel, radiotherapy techniques have witnessed substantial improvement, accompanied by a growing understanding that radiation itself comes with an immune-mediated effect. Six decades after a metastatic lesion regression outside the irradiated field was first described, there is increasing evidence that a combination of radiotherapy and immunotherapy could boost an abscopal effect. This review focuses on the mechanisms underlying this interaction in the setting of lymphomas, and on the results of pivotal prospective studies. Furthermore, the available evidence on the concomitant use of radiotherapy and small molecules (i.e., lenalidomide, venetoclax, and ibrutinib), as well as brentuximab vedotin, and chimeric antigen receptor (CAR) T-cell therapy, is summarized. Currently, combining radiotherapy with new agents in patients who are affected by lymphomas appears feasible, particularly as a bridge to anti-CD19 autologous CAR T-cell infusion. However, more studies are required to assess these combinations, and preliminary data suggest only a synergistic rather than a curative effect.
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Affiliation(s)
- Salvatore Perrone
- Department of Hematology, S.M. Goretti Hospital, Polo Universitario Pontino, 04100 Latina, Italy
| | - Paolo Lopedote
- Department of Medicine, St Elizabeth's Medical Center, Boston University, Boston, MA 02135, USA
| | - Vitaliana De Sanctis
- Department of Radiation Oncology, Faculty of Medicina e Psicologia, Sant'Andrea Hospital, University of Rome "La Sapienza", 00185 Rome, Italy
| | - Ilenia Iamundo De Cumis
- Department of Radiation Oncology, A. Businco Hospital, ARNAS G. Brotzu, 09121 Cagliari, Italy
| | - Alessandro Pulsoni
- Department of Hematology, S.M. Goretti Hospital, Polo Universitario Pontino, 04100 Latina, Italy
| | - Paolo Strati
- Department of Lymphoma and Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Valko Z, Megyesfalvi Z, Schwendenwein A, Lang C, Paku S, Barany N, Ferencz B, Horvath-Rozsas A, Kovacs I, Schlegl E, Pozonec V, Boettiger K, Rezeli M, Marko-Varga G, Renyi-Vamos F, Hoda MA, Klikovits T, Hoetzenecker K, Grusch M, Laszlo V, Dome B, Schelch K. Dual targeting of BCL-2 and MCL-1 in the presence of BAX breaks venetoclax resistance in human small cell lung cancer. Br J Cancer 2023; 128:1850-1861. [PMID: 36918717 PMCID: PMC10147697 DOI: 10.1038/s41416-023-02219-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 02/20/2023] [Accepted: 02/24/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND No targeted drugs are currently available against small cell lung cancer (SCLC). BCL-2 family members are involved in apoptosis regulation and represent therapeutic targets in many malignancies. METHODS Expression of BCL-2 family members in 27 SCLC cell lines representing all known four SCLC molecular subtypes was assessed by qPCR, Western blot and mass spectrometry-based proteomics. BCL-2 and MCL-1 inhibition (venetoclax and S63845, respectively) was assessed by MTT assay and flow cytometry and in mice bearing human SCLC tumours. Drug interactions were calculated using the Combenefit software. Ectopic BAX overexpression was achieved by expression plasmids. RESULTS The highest BCL-2 expression levels were detected in ASCL1- and POU2F3-driven SCLC cells. Although sensitivity to venetoclax was reflected by BCL-2 levels, not all cell lines responded consistently despite their high BCL-2 expression. MCL-1 overexpression and low BAX levels were both characteristic for venetoclax resistance in SCLC, whereas the expression of other BCL-2 family members did not affect therapeutic efficacy. Combination of venetoclax and S63845 resulted in significant, synergistic in vitro and in vivo anti-tumour activity and apoptosis induction in double-resistant cells; however, this was seen only in a subset with detectable BAX. In non-responding cells, ectopic BAX overexpression sensitised to venetoclax and S63845 and, furthermore, induced synergistic drug interaction. CONCLUSIONS The current study reveals the subtype specificity of BCL-2 expression and sheds light on the mechanism of venetoclax resistance in SCLC. Additionally, we provide preclinical evidence that combined BCL-2 and MCL-1 targeting is an effective approach to overcome venetoclax resistance in high BCL-2-expressing SCLCs with intact BAX.
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Affiliation(s)
- Zsuzsanna Valko
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- National Koranyi Institute of Pulmonology, Budapest, Hungary
| | - Zsolt Megyesfalvi
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- National Koranyi Institute of Pulmonology, Budapest, Hungary
- Department of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary
| | - Anna Schwendenwein
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Christian Lang
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Sandor Paku
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Nandor Barany
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- National Koranyi Institute of Pulmonology, Budapest, Hungary
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Bence Ferencz
- National Koranyi Institute of Pulmonology, Budapest, Hungary
- Department of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary
| | | | - Ildiko Kovacs
- National Koranyi Institute of Pulmonology, Budapest, Hungary
| | | | - Veronika Pozonec
- Department of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary
| | - Kristiina Boettiger
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Melinda Rezeli
- Department of Biomedical Engineering, Lund University, Lund, Sweden
| | | | - Ferenc Renyi-Vamos
- National Koranyi Institute of Pulmonology, Budapest, Hungary
- Department of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary
| | - Mir Alireza Hoda
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Thomas Klikovits
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- Department of Thoracic Surgery, Klinik Floridsdorf, Vienna, Austria
| | - Konrad Hoetzenecker
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Michael Grusch
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria
| | - Viktoria Laszlo
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
- National Koranyi Institute of Pulmonology, Budapest, Hungary
| | - Balazs Dome
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
- National Koranyi Institute of Pulmonology, Budapest, Hungary.
- Department of Thoracic Surgery, Semmelweis University and National Institute of Oncology, Budapest, Hungary.
- Department of Translational Medicine, Lund University, Lund, Sweden.
| | - Karin Schelch
- Department of Thoracic Surgery, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria.
- Center for Cancer Research, Medical University of Vienna, Vienna, Austria.
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Mahmoudi A, Atkin SL, Jamialahmadi T, Sahebkar A. Identification of key upregulated genes involved in foam cell formation and the modulatory role of statin therapy. Int Immunopharmacol 2023; 119:110209. [PMID: 37130442 DOI: 10.1016/j.intimp.2023.110209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/14/2023] [Accepted: 04/15/2023] [Indexed: 05/04/2023]
Abstract
BACKGROUND We aimed to investigate the possible effect of statins on important genes/proteins involved in foam cell formation. METHODS The gene expression profile of the GSE9874, GSE54666, and GSE7138from the Omnibus database were usedto identify genes involved in foam cell formation. The protein-protein interaction (PPI) network and MCODE analysis of the intersection of three databases were analyzed. We used molecular docking analysis to investigate the possible interaction of different statins with the overexpressed hub genes obtained from PPI analysis. RESULTS The intersection among the three datasets showed 54 upregulated and 26 down-regulated genes. The most critical overexpressed genes/proteins obtained as hub genes included: G6PD, NPC1, ABCA1, ABCG1, PGD, PLIN2, PPAP2B, and TXNRD1 based on PPI analysis. Functional enrichment analysis of 81 intersection DEGs at the biological process level focusing on the cholesterol metabolic process, secondary alcohol biosynthetic process and the cholesterol biosynthetic process. Under cellular components, the analysis confirmed that these 81 intersection DEGs were mainly applied in endoplasmic reticulum membrane, lysosome and lytic vacuole. The molecular functions were identified as sterol binding, oxidoreductase activity and NADP binding. The molecular docking showed that all statins appear to affect important protein targets overexpressed in foam cell formation. However, lipophilic statins, especially pitavastatin and lovastatin, had a greater effect than hydrophilic statins. The most significant protein target of all the overexpressed genes interacting with all statin types was ABCA1. CONCLUSION The effect of lipophilic statins was shown for several critical proteins in foam cell formation.
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Affiliation(s)
- Ali Mahmoudi
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad 9177899191, Iran
| | - Stephen L Atkin
- School of Postgraduate Studies and Research, RCSI Medical University of Bahrain, Busaiteen 15503, Bahrain
| | - Tannaz Jamialahmadi
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Shah K, Al Ashiri L, Nasimian A, Ahmed M, Kazi JU. Venetoclax-Resistant T-ALL Cells Display Distinct Cancer Stem Cell Signatures and Enrichment of Cytokine Signaling. Int J Mol Sci 2023; 24:ijms24055004. [PMID: 36902436 PMCID: PMC10003524 DOI: 10.3390/ijms24055004] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Therapy resistance remains one of the major challenges for cancer treatment that largely limits treatment benefits and patient survival. The underlying mechanisms that lead to therapy resistance are highly complicated because of the specificity to the cancer subtype and therapy. The expression of the anti-apoptotic protein BCL2 has been shown to be deregulated in T-cell acute lymphoblastic leukemia (T-ALL), where different T-ALL cells display a differential response to the BCL2-specific inhibitor venetoclax. In this study, we observed that the expression of anti-apoptotic BCL2 family genes, such as BCL2, BCL2L1, and MCL1, is highly varied in T-ALL patients, and inhibitors targeting proteins coded by these genes display differential responses in T-ALL cell lines. Three T-ALL cell lines (ALL-SIL, MOLT-16, and LOUCY) were highly sensitive to BCL2 inhibition within a panel of cell lines tested. These cell lines displayed differential BCL2 and BCL2L1 expression. Prolonged exposure to venetoclax led to the development of resistance to it in all three sensitive cell lines. To understand how cells developed venetoclax resistance, we monitored the expression of BCL2, BCL2L1, and MCL1 over the treatment period and compared gene expression between resistant cells and parental sensitive cells. We observed a different trend of regulation in terms of BCL2 family gene expression and global gene expression profile including genes reported to be expressed in cancer stem cells. Gene set enrichment analysis (GSEA) showed enrichment of cytokine signaling in all three cell lines which was supported by the phospho-kinase array where STAT5 phosphorylation was found to be elevated in resistant cells. Collectively, our data suggest that venetoclax resistance can be mediated through the enrichment of distinct gene signatures and cytokine signaling pathways.
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Affiliation(s)
- Kinjal Shah
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, 22381 Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, 22184 Lund, Sweden
| | - Lina Al Ashiri
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, 22381 Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, 22184 Lund, Sweden
| | - Ahmad Nasimian
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, 22381 Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, 22184 Lund, Sweden
| | - Mehreen Ahmed
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, 22381 Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, 22184 Lund, Sweden
| | - Julhash U. Kazi
- Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, 22381 Lund, Sweden
- Lund Stem Cell Center, Department of Laboratory Medicine, Lund University, 22184 Lund, Sweden
- Correspondence:
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Mecklenbrauck R, Heuser M. Resistance to targeted therapies in acute myeloid leukemia. Clin Exp Metastasis 2023; 40:33-44. [PMID: 36318439 PMCID: PMC9898349 DOI: 10.1007/s10585-022-10189-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 10/12/2022] [Indexed: 02/04/2023]
Abstract
The introduction of new targeted therapies to the treatment algorithm of acute myeloid leukemia (AML) offers new opportunities, but also presents new challenges. Patients diagnosed with AML receiving targeted therapies as part of lower intensity regimens will relapse inevitably due to primary or secondary resistance mechanisms. In this review, we summarize the current knowledge on the main mechanisms of resistance to targeted therapies in AML. Resistance to FLT3 inhibitors is mainly mediated by on target mutations and dysregulation of downstream pathways. Switching the FLT3 inhibitor has a potential therapeutic benefit. During treatment with IDH inhibitors resistance can develop due to aberrant cell metabolism or secondary site IDH mutations. As a unique resistance mechanism the mutated IDH isotype may switch from IDH1 to IDH2 or vice versa. Resistance to gemtuzumab-ozogamicin is determined by the CD33 isotype and the degradation of the cytotoxin. The main mechanisms of resistance to venetoclax are the dysregulation of alternative pathways especially the upregulation of the BCL-2-analogues MCL-1 and BCL-XL or the induction of an aberrant cell metabolism. The introduction of therapies targeting immune processes will lead to new forms of therapy resistance. Knowing those mechanisms will help to develop strategies that can overcome resistance to treatment.
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Affiliation(s)
- Rabea Mecklenbrauck
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - Michael Heuser
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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Boila LD, Ghosh S, Bandyopadhyay SK, Jin L, Murison A, Zeng AGX, Shaikh W, Bhowmik S, Muddineni SSNA, Biswas M, Sinha S, Chatterjee SS, Mbong N, Gan OI, Bose A, Chakraborty S, Arruda A, Kennedy JA, Mitchell A, Lechman ER, Banerjee D, Milyavsky M, Minden MD, Dick JE, Sengupta A. KDM6 demethylases integrate DNA repair gene regulation and loss of KDM6A sensitizes human acute myeloid leukemia to PARP and BCL2 inhibition. Leukemia 2023; 37:751-764. [PMID: 36720973 DOI: 10.1038/s41375-023-01833-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 01/18/2023] [Accepted: 01/23/2023] [Indexed: 02/01/2023]
Abstract
Acute myeloid leukemia (AML) is a heterogeneous, aggressive malignancy with dismal prognosis and with limited availability of targeted therapies. Epigenetic deregulation contributes to AML pathogenesis. KDM6 proteins are histone-3-lysine-27-demethylases that play context-dependent roles in AML. We inform that KDM6-demethylase function critically regulates DNA-damage-repair-(DDR) gene expression in AML. Mechanistically, KDM6 expression is regulated by genotoxic stress, with deficiency of KDM6A-(UTX) and KDM6B-(JMJD3) impairing DDR transcriptional activation and compromising repair potential. Acquired KDM6A loss-of-function mutations are implicated in chemoresistance, although a significant percentage of relapsed-AML has upregulated KDM6A. Olaparib treatment reduced engraftment of KDM6A-mutant-AML-patient-derived xenografts, highlighting synthetic lethality using Poly-(ADP-ribose)-polymerase-(PARP)-inhibition. Crucially, a higher KDM6A expression is correlated with venetoclax tolerance. Loss of KDM6A increased mitochondrial activity, BCL2 expression, and sensitized AML cells to venetoclax. Additionally, BCL2A1 associates with venetoclax resistance, and KDM6A loss was accompanied with a downregulated BCL2A1. Corroborating these results, dual targeting of PARP and BCL2 was superior to PARP or BCL2 inhibitor monotherapy in inducing AML apoptosis, and primary AML cells carrying KDM6A-domain mutations were even more sensitive to the combination. Together, our study illustrates a mechanistic rationale in support of a novel combination therapy for AML based on subtype-heterogeneity, and establishes KDM6A as a molecular regulator for determining therapeutic efficacy.
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Affiliation(s)
- Liberalis Debraj Boila
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Subhadeep Ghosh
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Subham K Bandyopadhyay
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Liqing Jin
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Alex Murison
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Andy G X Zeng
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Wasim Shaikh
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Satyaki Bhowmik
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India
| | | | - Mayukh Biswas
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Irving Cancer Research Center, Columbia University Medical Center, New York, NY, 10032, USA
| | - Sayantani Sinha
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Shankha Subhra Chatterjee
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY, 10065, USA
| | - Nathan Mbong
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Olga I Gan
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Anwesha Bose
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India.,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Sayan Chakraborty
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India
| | - Andrea Arruda
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - James A Kennedy
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada.,Division of Medical Oncology and Hematology, Department of Medicine, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Amanda Mitchell
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Eric R Lechman
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada
| | - Debasis Banerjee
- Park Clinic, Gorky Terrace and Ramakrishna Mission Seva Pratisthan, Kolkata, 700017, West Bengal, India
| | - Michael Milyavsky
- Department of Pathology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, 6997801, Israel
| | - Mark D Minden
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada.,Division of Medical Oncology and Hematology, Department of Medicine, University Health Network, Toronto, ON, M5G 2C4, Canada.,Department of Medicine, University of Toronto, Toronto, ON, M5S 1A8, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, M5G 1L7, Canada
| | - John E Dick
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, M5G 1L7, Canada. .,Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A8, Canada.
| | - Amitava Sengupta
- Stem Cell & Leukemia Lab, CSIR-Indian Institute of Chemical Biology, IICB-Translational Research Unit of Excellence, Salt Lake, Kolkata, 700091, West Bengal, India. .,Academy of Scientific & Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India. .,CSIR-IICB-Cancer Biology & Inflammatory Disorder Division, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata, 700032, West Bengal, India.
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Concurrent Inhibition of Akt and ERK Using TIC-10 Can Overcome Venetoclax Resistance in Mantle Cell Lymphoma. Cancers (Basel) 2023; 15:cancers15020510. [PMID: 36672458 PMCID: PMC9856512 DOI: 10.3390/cancers15020510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/11/2023] [Accepted: 01/11/2023] [Indexed: 01/18/2023] Open
Abstract
Venetoclax, a BCL-2 inhibitor, has proven to be effective in several hematological malignancies, including mantle cell lymphoma (MCL). However, development of venetoclax resistance is inevitable and understanding its underlying molecular mechanisms can optimize treatment response. We performed a thorough genetic, epigenetic and transcriptomic analysis of venetoclax-sensitive and resistant MCL cell lines, also evaluating the role of the stromal microenvironment using human and murine co-cultures. In our model, venetoclax resistance was associated with abrogated TP53 activity through an acquired mutation and transcriptional downregulation leading to a diminished apoptotic response. Venetoclax-resistant cells also exhibited an upregulation of the PI3K/Akt pathway, and pharmacological inhibition of Akt and ERK with TIC-10 led to cell death in all venetoclax-resistant cell lines. Overall, we highlight the importance of targeted therapies, such as TIC-10, against venetoclax resistance-related pathways, which might represent future therapeutic prospects.
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Ailawadhi S, Parrondo RD, Dutta N, Han B, Ciccio G, Cherukuri Y, Alegria VR, LaPlant BR, Roy V, Sher T, Edwards B, Lanier S, Manna A, Heslop K, Caulfield T, Maldosevic E, Storz P, Manochakian R, Asmann Y, Chanan-Khan AA, Paulus A. AT-101 Enhances the Antitumor Activity of Lenalidomide in Patients with Multiple Myeloma. Cancers (Basel) 2023; 15:477. [PMID: 36672426 PMCID: PMC9857228 DOI: 10.3390/cancers15020477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/03/2022] [Accepted: 12/09/2022] [Indexed: 01/15/2023] Open
Abstract
Bcl-2 and Mcl-1 proteins play a role in multiple myeloma (MM) cell survival, for which targeted inhibitors are being developed. AT-101 is an oral drug, which disrupts Bcl-2 and Mcl-1 function, impedes mitochondrial bioenergetic processes and induces apoptosis in MM cells. When combined with lenalidomide and dexamethasone (Rd), AT-101 significantly reduced tumor burden in an in vivo xenograft model of MM. These data provided rationale for a phase I/II study to establish the effective dose of AT-101 in combination with Rd (ARd regimen) in relapsed/refractory MM. A total of 10 patients were enrolled, most with high-risk cytogenetics (80%) and prior stem cell transplant (70%). Three patients were lenalidomide-refractory, 2 were bortezomib-refractory and 3 were daratumumab-refractory. The ARd combination was well tolerated with most common grade 3/4 adverse events being cytopenia's. The overall response rate was 40% and clinical benefit rate was 90%. The median progression free survival was 14.9 months (95% CI 7.1-NE). Patients responsive to ARd showed a decrease in Bcl-2:Bim or Mcl-1:Noxa protein complexes, increased CD8+ T and NK cells and depletion of T and B-regulatory cells. The ARd regimen demonstrated an acceptable safety profile and promising efficacy in patients with relapsed/refractory MM prompting further investigation in additional patients.
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Affiliation(s)
- Sikander Ailawadhi
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Ricardo D. Parrondo
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Navnita Dutta
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Bing Han
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Gina Ciccio
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Yesesri Cherukuri
- Department of Health Sciences Research, Mayo Clinic, Jacksonville, FL 32224, USA
| | - Victoria R. Alegria
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Betsy R. LaPlant
- Department of Biostatistics, Mayo Clinic Rochester, Rochester, MN 55902, USA
| | - Vivek Roy
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Taimur Sher
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Brett Edwards
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Stephanie Lanier
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Alak Manna
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Keisha Heslop
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Thomas Caulfield
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL 32224, USA
| | - Emir Maldosevic
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Peter Storz
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Rami Manochakian
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Yan Asmann
- Department of Health Sciences Research, Mayo Clinic, Jacksonville, FL 32224, USA
| | - Asher A. Chanan-Khan
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
| | - Aneel Paulus
- Deparment of Hematology-Oncology, Mayo Clinic Florida, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
- Department of Cancer Biology, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL 32224, USA
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Aksoy O, Lind J, Sunder-Plaßmann V, Vallet S, Podar K. Bone marrow microenvironment- induced regulation of Bcl-2 family members in multiple myeloma (MM): Therapeutic implications. Cytokine 2023; 161:156062. [PMID: 36332463 DOI: 10.1016/j.cyto.2022.156062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/19/2022] [Accepted: 09/30/2022] [Indexed: 11/23/2022]
Abstract
In Multiple Myeloma (MM) the finely tuned homeostasis of the bone marrow (BM) microenvironment is disrupted. Evasion of programmed cell death (apoptosis) represents a hallmark of cancer. Besides genetic aberrations, the supportive and protective MM BM milieu, which is constituted by cytokines and growth factors, intercellular and cell: extracellular matrix (ECM) interactions and exosomes, in particular, plays a key role in the abundance of pro-survival members of the Bcl-2 family (i.e., Mcl-1, Bcl-2, and Bcl-xL) in tumor cells. Moreover, microenvironmental cues have also an impact on stability- regulating post-translational modifications of anti-apoptotic proteins including de/phosphorylation, polyubiquitination; on their intracellular binding affinities, and localization. Advances of our molecular knowledge on the escape of cancer cells from apoptosis have informed the development of a new class of small molecules that mimic the action of BH3-only proteins. Indeed, approaches to directly target anti-apoptotic Bcl-2 family members are among today's most promising therapeutic strategies and BH3-mimetics (i.e., venetoclax) are currently revolutionizing not only the treatment of CLL and AML, but also hold great therapeutic promise in MM. Furthermore, approaches that activate apoptotic pathways indirectly via modification of the tumor microenvironment have already entered clinical practice. The present review article will summarize our up-to-date knowledge on molecular mechanisms by which the MM BM microenvironment, cytokines, and growth factors in particular, mediates tumor cell evasion from apoptosis. Moreover, it will discuss some of the most promising science- derived therapeutic strategies to overcome Bcl-2- mediated tumor cell survival in order to further improve MM patient outcome.
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Affiliation(s)
- Osman Aksoy
- Molecular Oncology and Hematology Unit, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500 Krems an der Donau, Austria
| | - Judith Lind
- Molecular Oncology and Hematology Unit, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500 Krems an der Donau, Austria
| | - Vincent Sunder-Plaßmann
- Molecular Oncology and Hematology Unit, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500 Krems an der Donau, Austria
| | - Sonia Vallet
- Molecular Oncology and Hematology Unit, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500 Krems an der Donau, Austria; Department of Internal Medicine 2, University Hospital Krems, Mitterweg 10, 3500 Krems an der Donau, Austria
| | - Klaus Podar
- Molecular Oncology and Hematology Unit, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, 3500 Krems an der Donau, Austria; Department of Internal Medicine 2, University Hospital Krems, Mitterweg 10, 3500 Krems an der Donau, Austria.
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Cobimetinib Alone and Plus Venetoclax With/Without Atezolizumab in Patients With Relapsed/Refractory Multiple Myeloma. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2023; 23:e59-e70. [PMID: 36450626 DOI: 10.1016/j.clml.2022.10.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/11/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Mitogen-activated protein kinase pathway mutations are present in >50% of patients with relapsed/refractory (R/R) multiple myeloma (MM). MEK inhibitors show limited single-agent activity in R/R MM; combination with B-cell lymphoma-2 (BCL-2) and programmed death-ligand 1 inhibition may improve efficacy. This phase Ib/II trial (NCT03312530) evaluated safety and efficacy of cobimetinib (cobi) alone and in combination with venetoclax (ven) with/without atezolizumab (atezo) in patients with R/R MM. PATIENTS AND METHODS Forty-nine patients were randomized 1:2:2 to cobi 60 mg/day on days 1-21 (n = 6), cobi 40 mg/day on days 1-21 + ven 800 mg/day on days 1-28 with/without atezo 840 mg on days 1 and 15 of 28-day cycles (cobi-ven, n = 22; cobi-ven-atezo, n = 21). Safety run-in cohorts evaluated cobi-ven and cobi-ven-atezo dose levels. RESULTS Any-grade common adverse events (AEs) with cobi, cobi-ven, and cobi-ven-atezo, respectively, included diarrhea (33.3%, 81.8%, 90.5%) and nausea (16.7%, 50.0%, 66.7%); common grade ≥3 AEs included anemia (0%, 22.7%, 23.8%), neutropenia (0%, 13.6%, 38.1%), and thrombocytopenia (0%, 18.2%, 23.8%). The overall response rate for all-comers was 0% (cobi), 27.3% (cobi-ven), and 28.6% (cobi-ven-atezo), and 0%, 50.0%, and 100%, respectively, in patients with t(11;14)+. Biomarker analysis demonstrated non-t(11;14) patient selection with NRAS/KRAS/BRAF mutation or high BCL-2/BCL-2-L1 ratio (>52% of the study population) could enrich for responders to the cobi-ven combination. CONCLUSIONS Cobi-ven and cobi-ven-atezo demonstrated manageable safety with moderate activity in all-comers, and higher activity in patients with t(11;14)+ MM, supporting a biomarker-driven approach for ven in MM.
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Micro-Slab Coil Design for Hyperpolarized Metabolic Flux Analysis in Multiple Samples. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 10:bioengineering10010014. [PMID: 36671586 PMCID: PMC9854444 DOI: 10.3390/bioengineering10010014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Abnormal metabolism is a hallmark of cancer cells. Accumulating evidence suggests that metabolic changes are likely to occur before other cellular responses in cancer cells upon drug treatment. Therefore, the metabolic activity or flux in cancer cells could be a potent biomarker for cancer detection and treatment monitoring. Magnetic resonance (MR)-based sensing technologies have been developed with hyperpolarized molecules for real-time flux analysis, but they still suffer from low sensitivity and throughput. To address this limitation, we have developed an innovative miniaturized MR coil, termed micro-slab MR coil, for simultaneous analysis of metabolic flux in multiple samples. Combining this approach with hyperpolarized probes, we were able to quantify the pyruvate-to-lactate flux in two different leukemic cell lines in a non-destructive manner, simultaneously. Further, we were able to rapidly assess flux changes with drug treatment in a single hyperpolarization experiment. This new multi-sample system has the potential to transform our ability to assess metabolic dynamics at scale.
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Sullivan GP, Flanagan L, Rodrigues DA, Ní Chonghaile T. The path to venetoclax resistance is paved with mutations, metabolism, and more. Sci Transl Med 2022; 14:eabo6891. [PMID: 36475901 DOI: 10.1126/scitranslmed.abo6891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Venetoclax is a B cell lymphoma 2 (BCL-2)-selective antagonist used to treat chronic lymphocytic leukemia (CLL) and acute myelogenous leukemia (AML). Although this has been a promising therapeutic option for these patients, many of these patients develop resistance and relapsed disease. Here, we summarize the emerging mechanisms of resistance to venetoclax treatment, discuss the promising combination strategies, and highlight the combinations that are currently in clinical trials. Efforts to understand mechanisms of resistance are critical to advance the development of new targeted therapeutic strategies and further our understanding of the biological functions of BCL-2 in tumor cells.
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Affiliation(s)
- Graeme P Sullivan
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Lyndsey Flanagan
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Daniel Alencar Rodrigues
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - Tríona Ní Chonghaile
- Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.,Centre for Systems Medicine, Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
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43
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Jegatheeson S, Cannon C, Mansfield C, Devlin J, Roberts A. Sensitivity of canine hematological cancers to BH3 mimetics. J Vet Intern Med 2022; 37:236-246. [PMID: 36433867 PMCID: PMC9889650 DOI: 10.1111/jvim.16587] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 11/08/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Inhibition of antiapoptotic B-cell lymphoma 2 (BCL2) proteins by small molecule Bcl-2 homology 3 (BH3) mimetics causes rapid induction of apoptosis of human hematological cancers in vitro and in vivo. OBJECTIVES Assess in vitro sensitivity of non-neoplastic lymphocytes and primary hematological cancer cells from dogs to venetoclax (VEN) or the dual BCL2/ B-cell lymphoma-extra-large (BCLxL) inhibitor, navitoclax (NAV), and evaluate the association between BCL2 protein expression and VEN sensitivity. ANIMALS Nine client-owned dogs without cancer and 18 client-owned dogs with hematological cancer. METHODS Prospective, nonrandomized noncontrolled study. Lymphocytes isolated from peripheral blood, lymph node, or bone marrow from dogs were incubated with BH3 mimetics for 24 hours. Viable cells were counted using flow cytometry and half maximal effective concentration (EC50 ) was calculated. BCL2 protein from whole cell lysates was assessed via immunoblots. RESULTS Nodal B and T lymphocytes were more sensitive to VEN than circulating lymphocytes (P = .02). Neoplastic T lymphocytes were sensitive to VEN (mean EC50 ± SD = 0.023 ± 0.018 μM), whereas most non-indolent B cell cancers were resistant to killing by VEN (mean EC50 ± SD = 288 ± 700 μM). Unclassified leukemias showed variable sensitivity to VEN (mean EC50 ± SD = 0.49 ± 0.66 μM). Detection of BCL2 protein was not associated with VEN sensitivity. CONCLUSION AND CLINICAL IMPORTANCE Neoplastic canine T lymphocytes are sensitive to VEN in vitro. Quantification of BCL2 protein alone is insufficient to predict sensitivity to VEN.
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Affiliation(s)
- Selvi Jegatheeson
- Faculty of Veterinary and Agricultural SciencesThe University of MelbourneWerribeeVictoriaAustralia,Blood Cells and Blood Cancer DivisionThe Walter and Eliza Hall Institute of Medical ResearchParkvilleVictoriaAustralia
| | - Claire Cannon
- Faculty of Veterinary and Agricultural SciencesThe University of MelbourneWerribeeVictoriaAustralia,Present address:
Veterinary Referral HospitalDandenongVictoriaAustralia
| | - Caroline Mansfield
- Faculty of Veterinary and Agricultural SciencesThe University of MelbourneWerribeeVictoriaAustralia
| | - Joanne Devlin
- Faculty of Veterinary and Agricultural SciencesThe University of MelbourneWerribeeVictoriaAustralia
| | - Andrew Roberts
- Blood Cells and Blood Cancer DivisionThe Walter and Eliza Hall Institute of Medical ResearchParkvilleVictoriaAustralia
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Wang G, Fan F, Sun C, Hu Y. Looking into Endoplasmic Reticulum Stress: The Key to Drug-Resistance of Multiple Myeloma? Cancers (Basel) 2022; 14:5340. [PMID: 36358759 PMCID: PMC9654020 DOI: 10.3390/cancers14215340] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 09/22/2023] Open
Abstract
Multiple myeloma (MM) is the second most common hematologic malignancy, resulting from the clonal proliferation of malignant plasma cells within the bone marrow. Despite significant advances that have been made with novel drugs over the past two decades, MM patients often develop therapy resistance, especially to bortezomib, the first-in-class proteasome inhibitor that was approved for treatment of MM. As highly secretory monoclonal protein-producing cells, MM cells are characterized by uploaded endoplasmic reticulum stress (ERS), and rely heavily on the ERS response for survival. Great efforts have been made to illustrate how MM cells adapt to therapeutic stresses through modulating the ERS response. In this review, we summarize current knowledge on the mechanisms by which ERS response pathways influence MM cell fate and response to treatment. Moreover, based on promising results obtained in preclinical studies, we discuss the prospect of applying ERS modulators to overcome drug resistance in MM.
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Affiliation(s)
- Guangqi Wang
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1277, Wuhan 430022, China
| | - Fengjuan Fan
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1277, Wuhan 430022, China
| | - Chunyan Sun
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1277, Wuhan 430022, China
- Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yu Hu
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1277, Wuhan 430022, China
- Collaborative Innovation Center of Hematology, Huazhong University of Science and Technology, Wuhan 430074, China
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45
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Mejia Saldarriaga M, Darwiche W, Jayabalan D, Monge J, Rosenbaum C, Pearse RN, Niesvizky R, Bustoros M. Advances in the molecular characterization of multiple myeloma and mechanism of therapeutic resistance. Front Oncol 2022; 12:1020011. [PMID: 36387095 PMCID: PMC9646612 DOI: 10.3389/fonc.2022.1020011] [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: 08/15/2022] [Accepted: 10/07/2022] [Indexed: 11/25/2022] Open
Abstract
Recent insight in the genomic landscape of newly diagnosed multiple myeloma (NDMM) and its precursor conditions, monoclonal gammopathy of uncertain significance (MGUS), and smoldering myeloma have allowed the identification of patients with precursor conditions with a high risk of progression. These cases with "progressor" MGUS/SMM have a higher average mutation burden, have higher rates of mutations in specific genes such as MAPK, DNA repair, MYC, DIS3, and are enriched for specific mutational signatures when compared to non-progressors and are comparable to those found in NDMM. The highly preserved clonal heterogeneity seen upon progression of SMM, combined with the importance of these early variables, suggests that the identification of progressors based on these findings could complement and enhance the currently available clinical models based on tumor burden. Mechanisms leading to relapse/refractory multiple myeloma (RRMM) are of clinical interest given worse overall survival in this population. An Increased mutational burden is seen in patients with RRMM when compared to NDMM, however, there is evidence of branching evolution with many of these mutations being present at the subclonal level. Likewise, alterations in proteins associated with proteosome inhibitor and immunomodulatory drugs activity could partially explain clinical resistance to these agents. Evidence of chromosomal events leading to copy number changes is seen, with the presence of TP53 deletion, mutation, or a combination of both being present in many cases. Additional chromosomal events such as 1q gain and amplification may also interact and lead to resistance.
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Affiliation(s)
| | | | | | | | | | | | | | - Mark Bustoros
- Division of Hematology and Medical Oncology, Department of Medicine, Weill Cornell Medicine, New York, NY, United States
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Combination venetoclax and selinexor effective in relapsed refractory multiple myeloma with translocation t(11;14). NPJ Precis Oncol 2022; 6:73. [PMID: 36261486 PMCID: PMC9581939 DOI: 10.1038/s41698-022-00315-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 09/29/2022] [Indexed: 11/08/2022] Open
Abstract
Patients with multiple myeloma-bearing translocation t(11;14) have recently been shown to benefit from the apoptosis-inducing drug venetoclax; however, the drug lacks FDA approval in multiple myeloma thus far due to a potential safety signal in the overall patient population. Selinexor is an inhibitor of nuclear export that is FDA-approved for patients with multiple myeloma refractory to multiple lines of therapy. Here, we report that in four patients with multiple myeloma with t(11;14), the concomitant administration of venetoclax and selinexor was safe and associated with disease response. Moreover, the combination was synergistic in t(11;14) multiple myeloma cell lines and caused decreased levels of Cyclin D1 (which is overexpressed due to the CCND1-IGH fusion) when given in combination as compared to single agents. These data suggest that the combination of venetoclax and selinexor is effective and t(11;14) may serve as a therapeutic marker for response and target for future clinical trials.
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47
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Liu J, Chen Y, Yu L, Yang L. Mechanisms of venetoclax resistance and solutions. Front Oncol 2022; 12:1005659. [PMID: 36313732 PMCID: PMC9597307 DOI: 10.3389/fonc.2022.1005659] [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: 07/28/2022] [Accepted: 09/09/2022] [Indexed: 11/25/2022] Open
Abstract
The BCL-2 inhibitor venetoclax is currently approved for treatment of hematologic diseases and is widely used either as monotherapy or in combination strategies. It has produced promising results in the treatment of refractory or relapsed (R/R) and aged malignant hematologic diseases. However, with clinical use, resistance to venetoclax has emerged. We review the mechanism of reduced dependence on BCL-2 mediated by the upregulation of antiapoptotic proteins other than BCL-2, such as MCL-1 and BCL-XL, which is the primary mechanism of venetoclax resistance, and find that this mechanism is achieved through different pathways in different hematologic diseases. Additionally, this paper also summarizes the current investigations of the mechanisms of venetoclax resistance in terms of altered cellular metabolism, changes in the mitochondrial structure, altered or modified BCL-2 binding domains, and some other aspects; this article also reviews relevant strategies to address these resistance mechanisms.
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Affiliation(s)
- Jiachen Liu
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Yidong Chen
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Lihua Yu
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Lihua Yang
- Department of Pediatric Hematology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Solimando AG, Malerba E, Leone P, Prete M, Terragna C, Cavo M, Racanelli V. Drug resistance in multiple myeloma: Soldiers and weapons in the bone marrow niche. Front Oncol 2022; 12:973836. [PMID: 36212502 PMCID: PMC9533079 DOI: 10.3389/fonc.2022.973836] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Multiple myeloma (MM) is still an incurable disease, despite considerable improvements in treatment strategies, as resistance to most currently available agents is not uncommon. In this study, data on drug resistance in MM were analyzed and led to the following conclusions: resistance occurs via intrinsic and extrinsic mechanisms, including intraclonal heterogeneity, drug efflux pumps, alterations of drug targets, the inhibition of apoptosis, increased DNA repair and interactions with the bone marrow (BM) microenvironment, cell adhesion, and the release of soluble factors. Since MM involves the BM, interactions in the MM-BM microenvironment were examined as well, with a focus on the cross-talk between BM stromal cells (BMSCs), adipocytes, osteoclasts, osteoblasts, endothelial cells, and immune cells. Given the complex mechanisms that drive MM, next-generation treatment strategies that avoid drug resistance must target both the neoplastic clone and its non-malignant environment. Possible approaches based on recent evidence include: (i) proteasome and histone deacetylases inhibitors that not only target MM but also act on BMSCs and osteoclasts; (ii) novel peptide drug conjugates that target both the MM malignant clone and angiogenesis to unleash an effective anti-MM immune response. Finally, the role of cancer stem cells in MM is unknown but given their roles in the development of solid and hematological malignancies, cancer relapse, and drug resistance, their identification and description are of paramount importance for MM management.
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Affiliation(s)
- Antonio Giovanni Solimando
- Department of Biomedical Sciences and Human Oncology, School of Medicine, ‘Aldo Moro’ University of Bari, Bari, Italy
- Istituto di ricovero e cura a carattere scientifico (IRCCS) Istituto Tumori ‘Giovanni Paolo II’ of Bari, Bari, Italy
| | - Eleonora Malerba
- Department of Biomedical Sciences and Human Oncology, School of Medicine, ‘Aldo Moro’ University of Bari, Bari, Italy
| | - Patrizia Leone
- Department of Biomedical Sciences and Human Oncology, School of Medicine, ‘Aldo Moro’ University of Bari, Bari, Italy
| | - Marcella Prete
- Department of Interdisciplinary Medicine, School of Medicine, ‘Aldo Moro’ University of Bari, Bari, Italy
| | - Carolina Terragna
- ’Seràgnoli’ Institute of Hematology, Bologna University School of Medicine, Bologna, Italy
| | - Michele Cavo
- ’Seràgnoli’ Institute of Hematology, Bologna University School of Medicine, Bologna, Italy
| | - Vito Racanelli
- Department of Interdisciplinary Medicine, School of Medicine, ‘Aldo Moro’ University of Bari, Bari, Italy
- *Correspondence: Vito Racanelli,
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Radiomics Models Based on Magnetic Resonance Imaging for Prediction of the Response to Bortezomib-Based Therapy in Patients with Multiple Myeloma. BIOMED RESEARCH INTERNATIONAL 2022; 2022:6911246. [PMID: 36105939 PMCID: PMC9467708 DOI: 10.1155/2022/6911246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/04/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022]
Abstract
Purpose. To identify significant radiomics features based on MRI and establish effective models for predicting the response to bortezomib-based regimens. Materials and Methods. In total, 95 MM patients treated with bortezomib-based therapy were enrolled, including 77 with bortezomib, cyclophosphamide, and dexamethasone (BCD) and 18 with bortezomib, lenalidomide, and dexamethasone (VRD). Based on T1-weighted imaging (T1WI) and T2-weighted imaging with fat suppression (T2WI-fs), radiomics features were extracted and then selected. The random forest (RF),
-nearest neighbor, support vector machine, logistic regression, decision tree, and Bayes models were built using the selected features. The predictive power of six models for response to BCD and VRD regimens were evaluated. The correlation between the selected features and progression-free survival (PFS) was also analyzed. Results. Four wavelet features were correlated with BCD treatment response. The six models all showed predictive power for BCD regimen (AUC: 0.84-0.896 in the training set, 0.801-0.885 in the validation set), and RF performed relatively better than others. Nevertheless, all the BCD-based models were incapable of predicting the VRD treatment response. The wavelet-HLH_firstorder_kurtosis was also associated with PFS (log-rank
). Conclusion. The four wavelet features were valuable biomarkers for predicting the response to BCD regimen. The six models based on these features showed predictive power, and RF was the best. One wavelet feature was also a survival-related biomarker. MRI-based radiomics had the potential to guide clinicians in MM management.
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Diamantidis MD, Papadaki S, Hatjiharissi E. Exploring the current molecular landscape and management of multiple myeloma patients with the t(11;14) translocation. Front Oncol 2022; 12:934008. [PMID: 35982976 PMCID: PMC9379277 DOI: 10.3389/fonc.2022.934008] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
Multiple myeloma (MM) is a genetically complex disease. The key myeloma-initiating genetic events are hyperdiploidy and translocations involving the immunoglobulin heavy chain (IgH) enhancer on chromosome 14, which leads to the activation of oncogenes (e.g., CCND1, CCND3, MAF, and MMSET). The t(11;14) translocation is the most common in MM (15%–20%) and results in cyclin D1 (CCND1) upregulation, which leads to kinase activation and tumor cell proliferation. Notably, t(11;14) occurs at a higher rate in patients with plasma cell leukemia (40%) and light chain amyloidosis (50%). Patients with myeloma who harbor the t(11;14) translocation have high levels of the anti-apoptotic protein B-cell lymphoma 2 (BCL2). Multiple studies demonstrated that the presence of t(11;14) was predictive of BCL2 dependency, suggesting that BCL2 could be a target in this subtype of myeloma. Venetoclax, an oral BCL2 inhibitor, has shown remarkable activity in treating relapsed/refractory MM patients with t(11;14) and BCL2 overexpression, either as monotherapy or in combination with other anti-myeloma agents. In this review, we describe the molecular defects associated with the t(11;14), bring into question the standard cytogenetic risk of myeloma patients harboring t(11;14), summarize current efficacy and safety data of targeted venetoclax-based therapies, and discuss the future of individualized or precision medicine for this unique myeloma subgroup, which will guide optimal treatment.
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Affiliation(s)
- Michael D. Diamantidis
- Thalassemia and Sickle Cell Disease Unit, Department of Hematology, General Hospital of Larissa, Larissa, Greece
| | - Sofia Papadaki
- Division of Hematology, First Department of Internal Medicine, AHEPA General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Evdoxia Hatjiharissi
- Division of Hematology, First Department of Internal Medicine, AHEPA General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
- *Correspondence: Evdoxia Hatjiharissi,
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