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Shi Y, Wang Z, Shao Y, Guang Q, Zhang J, Liu B, Wu C, Wang Y, Sui P. Combined SET7/9 and CDK4 inhibition act synergistically against osteosarcoma. Biochem Biophys Res Commun 2024; 708:149808. [PMID: 38520914 DOI: 10.1016/j.bbrc.2024.149808] [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: 03/05/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
Osteosarcoma is the most common malignant bone tumor. It has a poor prognosis because of a lack of therapeutic targets and strategies. The SET domain-containing lysine-specific methyltransferase, SET7/9, has various functions in different cancer types in tissue-type and signaling context-dependent manners. The role of SET7/9 in osteosarcoma cells is currently controversial and its potential as a therapeutic candidate in osteosarcoma is unknown. In the present study, SET7/9 inhibition or ablation suppressed osteosarcoma cell proliferation by causing G1 arrest. Mechanistically, SET7/9 inhibition disrupted the interaction between cyclin-dependent kinase 4 (CDK4) and cyclin D1, which affected CDK4-cyclin D1 complex function, leading to decreased phosphorylation of retinoblastoma protein. CDK4 was overexpressed in osteosarcoma tissues and was closely related to a poor prognosis in patients with osteosarcoma. We therefore hypothesized that SET7/9 inhibition might increase the sensitivity of osteosarcoma cells to CDK4 inhibitors, potentially decreasing the risk of adverse effects of CDK4 inhibitors. The combination of SET7/9 and CDK4 inhibition enabled dose reductions of both inhibitors and had a synergistic effect against osteosarcoma growth in vivo. Collectively, these findings indicate that SET7/9 plays an oncogenic role in osteosarcoma by regulating CDK4-cyclin D1 complex interaction and function. The combination of SET7/9 and CDK4 inhibition may thus provide a novel effective therapeutic strategy for osteosarcoma with no significant toxicity.
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Affiliation(s)
- Yingxu Shi
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272007, China
| | - Zhonghao Wang
- Department of Clinical Medicine, Jining Medical University, Jining, Shandong, 272067, China
| | - Yiming Shao
- Department of Clinical Medicine, Jining Medical University, Jining, Shandong, 272067, China
| | - Qianqian Guang
- Department of Pathology, Affiliated Hospital of Jining Medical University, No. 89 Guhuai Road, Jining, 272029, Shandong, China
| | - Jian Zhang
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272007, China
| | - Baorui Liu
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272007, China
| | - Chunshen Wu
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272007, China
| | - Yexin Wang
- Department of Orthopedics, Affiliated Hospital of Jining Medical University, Jining, Shandong, 272007, China.
| | - Ping Sui
- Department of Clinical Medicine, Jining Medical University, Jining, Shandong, 272067, China.
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Lv S, Yang J, Lin J, Huang X, Zhao H, Zhao C, Yang L. CDK4/6 inhibitors in lung cancer: current practice and future directions. Eur Respir Rev 2024; 33:230145. [PMID: 38355149 PMCID: PMC10865100 DOI: 10.1183/16000617.0145-2023] [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: 07/16/2023] [Accepted: 11/11/2023] [Indexed: 02/16/2024] Open
Abstract
Lung cancer is the leading cause of cancer-related deaths worldwide, and ∼85% of lung cancers are classified as nonsmall cell lung cancer (NSCLC). These malignancies can proliferate indefinitely, in part due to dysregulation of the cell cycle and the resulting abnormal cell growth. The specific activation of cyclin-dependent kinases 4 and 6 (CDK4/6) is closely linked to tumour proliferation. Approximately 80% of human tumours exhibit abnormalities in the cyclin D-CDK4/6-INK4-RB pathway. Specifically, CDK4/6 inhibitors either as monotherapy or combination therapy have been investigated in pre-clinical and clinical studies for the treatment of NSCLC, and promising results have been achieved. This review article focuses on research regarding the use of CDK4/6 inhibitors in NSCLC, including the characteristics and mechanisms of action of approved drugs and progress of pre-clinical and clinical research.
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Affiliation(s)
- Shuoshuo Lv
- The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- The Institute of Life Sciences, Wenzhou University, Wenzhou, China
- These authors contributed equally to this work
| | - Jie Yang
- The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
- The Institute of Life Sciences, Wenzhou University, Wenzhou, China
- These authors contributed equally to this work
| | - Jiayuh Lin
- Department of Biochemistry and Molecular Biology, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Xiaoying Huang
- The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Haiyang Zhao
- The Institute of Life Sciences, Wenzhou University, Wenzhou, China
| | - Chengguang Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Lehe Yang
- The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
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Wang P, Sun S, Lam S, Lockwood WW. New insights into the biology and development of lung cancer in never smokers-implications for early detection and treatment. J Transl Med 2023; 21:585. [PMID: 37653450 PMCID: PMC10472682 DOI: 10.1186/s12967-023-04430-x] [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: 06/16/2023] [Accepted: 08/10/2023] [Indexed: 09/02/2023] Open
Abstract
Lung cancer is the leading cause of cancer deaths worldwide. Despite never smokers comprising between 10 and 25% of all cases, lung cancer in never smokers (LCNS) is relatively under characterized from an etiological and biological perspective. The application of multi-omics techniques on large patient cohorts has significantly advanced the current understanding of LCNS tumor biology. By synthesizing the findings of multi-omics studies on LCNS from a clinical perspective, we can directly translate knowledge regarding tumor biology into implications for patient care. Primarily focused on never smokers with lung adenocarcinoma, this review details the predominance of driver mutations, particularly in East Asian patients, as well as the frequency and importance of germline variants in LCNS. The mutational patterns present in LCNS tumors are thoroughly explored, highlighting the high abundance of the APOBEC signature. Moreover, this review recognizes the spectrum of immune profiles present in LCNS tumors and posits how it can be translated to treatment selection. The recurring and novel insights from multi-omics studies on LCNS tumor biology have a wide range of clinical implications. Risk factors such as exposure to outdoor air pollution, second hand smoke, and potentially diet have a genomic imprint in LCNS at varying degrees, and although they do not encompass all LCNS cases, they can be leveraged to stratify risk. Germline variants similarly contribute to a notable proportion of LCNS, which warrants detailed documentation of family history of lung cancer among never smokers and demonstrates value in developing testing for pathogenic variants in never smokers for early detection in the future. Molecular driver subtypes and specific co-mutations and mutational signatures have prognostic value in LCNS and can guide treatment selection. LCNS tumors with no known driver alterations tend to be stem-like and genes contributing to this state may serve as potential therapeutic targets. Overall, the comprehensive findings of multi-omics studies exert a wide influence on clinical management and future research directions in the realm of LCNS.
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Affiliation(s)
- Peiyao Wang
- Department of Integrative Oncology, British Columbia Cancer Research Institute, Vancouver, BC, Canada
- Interdisciplinary Oncology Program, University of British Columbia, Vancouver, BC, Canada
| | - Sophie Sun
- Department of Medical Oncology, British Columbia Cancer Agency Vancouver, Vancouver, BC, Canada
| | - Stephen Lam
- Department of Integrative Oncology, British Columbia Cancer Research Institute, Vancouver, BC, Canada
| | - William W Lockwood
- Department of Integrative Oncology, British Columbia Cancer Research Institute, Vancouver, BC, Canada.
- Interdisciplinary Oncology Program, University of British Columbia, Vancouver, BC, Canada.
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada.
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Dogan S, Xu B, Rana S, Chen H, Ghossein RA, Berger MF, Ho AL, Katabi N. Loss of CDKN2A/B is a Molecular Marker of High-grade Histology and is Associated with Aggressive Behavior in Acinic Cell Carcinoma. Mod Pathol 2023; 36:100150. [PMID: 36841437 PMCID: PMC10447625 DOI: 10.1016/j.modpat.2023.100150] [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: 10/09/2022] [Revised: 01/26/2023] [Accepted: 02/16/2023] [Indexed: 02/27/2023]
Abstract
Acinic cell carcinoma (AciCC) is a rare salivary gland cancer with excellent prognosis in most cases. However, a subset of patients will develop distant metastasis and die of disease. Recently, a 2-tiered grading scheme in AciCC was proposed to recognize patients at risk of poor outcome. We performed a genetic analysis of AciCC to explore the underlying molecular correlates of the tumor grade and examined programmed death ligand 1 (PD-L1) expression to identify potential candidates for immunotherapy. A retrospective cohort of 55 patients included 34 high-grade (HG) and 21 low-grade AciCCs. Forty-three cases were subjected to targeted exome sequencing by Memorial Sloan Kettering-Integrated Mutation Profiling of Actionable Cancer Targets. PD-L1 immunohistochemistry was performed in 33 cases. Tumor mutation burden was low with a median of 1 and 2 mutations in low-grade and HG AciCCs, respectively. CDKN2A/B was the most frequently altered gene, and loss-of-function mutations were found only in HG but not in low-grade AciCCs (18/31 [58.1%] vs 0/12 [0%], P < .001). CDKN2A/B alterations were significantly associated with distant metastasis, which occurred in 16/18 (88.9%) CDKN2A/B mutants versus 11/25 (44%) wild-type cases (P = .004, Fisher exact test). Sequential profiling of multiple temporally distant samples from the same patient demonstrated intratumor heterogeneity, including the detection of CDKN2A/B deletion in the second, in HG metastasis only. ATM and PTEN mutations were detected in 6/31 (19.4%) and 5/31 (16.1%); ARID2, BIRC3, and FBXW7 mutations each in 4/31 (12.9%); and TP53, MTAP, and FAT1 each in 3/31 (9.7%) HG AciCC. PD-L1-positive labeling was more common in HG AciCC (9/17, 52.9% vs 3/16, 18.9%, P = .071). CDKN2A/B mutations in AciCC represent a molecular marker of HG histology and disease progression, providing a rationale for further studies to determine their prognostic and therapeutic significance in this salivary gland cancer. AciCC with ATM mutations may be amenable to targeted therapy. Immunotherapy can be considered to be a treatment option for a subset of patients with AciCC.
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Affiliation(s)
- Snjezana Dogan
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York.
| | - Bin Xu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Satshil Rana
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hui Chen
- Department of Pathology, MD Anderson Cancer Center, Houston, Texas
| | - Ronald A Ghossein
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Michael F Berger
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York; Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Alan L Ho
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Nora Katabi
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
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Li Z, Zhou H, Xia Z, Xia T, Du G, Franziska SD, Li X, Zhai X, Jin B. HMGA1 augments palbociclib efficacy via PI3K/mTOR signaling in intrahepatic cholangiocarcinoma. Biomark Res 2023; 11:33. [PMID: 36978140 PMCID: PMC10053751 DOI: 10.1186/s40364-023-00473-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND Intrahepatic cholangiocarcinoma (iCCA) is a highly aggressive cancer that is challenging to diagnose at an early stage. Despite recent advances in combination chemotherapy, drug resistance limits the therapeutic value of this regimen. iCCA reportedly harbors high HMGA1 expression and pathway alterations, especially hyperactivation of the CCND1/CDK4/CDK6 and PI3K signaling pathway. In this study, we explored the potential of targeting CDK4/6 and PI3K inhibition to treat iCCA. METHODS The significance of HMGA1 in iCCA was investigated with in vitro/vivo experiments. Western blot, qPCR, dual-luciferase reporter and immunofluorescence assays were performed to examine the mechanism of HMGA1 induced CCND1 expression. CCK-8, western blot, transwell, 3D sphere formation and colony formation assays were conducted to predict the potential role of CDK4/6 inhibitors PI3K/mTOR inhibitors in iCCA treatment. Xenograft mouse models were also used to determine the efficacy of combination treatment strategies related to HMGA1 in iCCA. RESULTS HMGA1 promoted the proliferation, epithelial-mesenchymaltransition (EMT), metastasis and stemness of iCCA. In vitro studies showed that HMGA1 induced CCND1 expression via promoting CCND1 transcription and activating the PI3K signaling pathway. Palbociclib(CDK4/6 inhibitor) could suppress iCCA proliferation, migration and invasion, especially during the first 3 days. Although there was more stable attenuation of growth in the HIBEpic model, we observed substantial outgrowth in each hepatobiliary cancer cell model. PF-04691502(PI3K/mTOR inhibitor) exhibited similar effects to palbociclib. Compared with monotherapy, the combination retained effective inhibition for iCCA through the more potent and steady inhibition of CCND1, CDK4/6 and PI3K pathway. Furthermore, more significant inhibition of the common downstream signaling pathways is observed with the combination compared to monotherapy. CONCLUSIONS Our study reveals the potential therapeutic role of dual inhibition of CDK4/6 and PI3K/mTOR pathways in iCCA, and proposes a new paradigm for the clinical treatment of iCCA.
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Affiliation(s)
- Zhipeng Li
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China
| | - Huaxin Zhou
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China
- The Second Clinical College of Shandong University, Jinan, China
| | - Zhijia Xia
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Tong Xia
- Organ Transplant Department, Qilu Hospital of Shandong University, Jinan, China
| | - Gang Du
- Organ Transplant Department, Qilu Hospital of Shandong University, Jinan, China
| | - Strohmer Dorothee Franziska
- Department of General, Visceral, and Transplant Surgery, Ludwig-Maximilians-University Munich, Munich, Germany
| | - Xiaoming Li
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China.
| | - Xiangyu Zhai
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China.
| | - Bin Jin
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China.
- Organ Transplant Department, Qilu Hospital of Shandong University, Jinan, China.
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Patnaik A, Hamilton E, Xing Y, Rasco DW, Smith L, Lee YL, Fang S, Wei J, Hui AM. A Phase I Dose-Escalation and Dose-Expansion Study of FCN-437c, a Novel CDK4/6 Inhibitor, in Patients with Advanced Solid Tumors. Cancers (Basel) 2022; 14:cancers14204996. [PMID: 36291780 PMCID: PMC9599640 DOI: 10.3390/cancers14204996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/30/2022] [Accepted: 10/01/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Cyclin-dependent kinase 4/6 (CDK4/6) inhibitors have provided clinical benefits for a subset of patients with advanced breast cancer; however, treatment resistance generally emerges over time in patients with breast cancer, and the efficacy of existing CDK4/6 inhibitors in patients with other cancers is modest. The aim of this study was to explore the safety and preliminary antitumor efficacy of a novel, orally available CDK4/6 inhibitor, FCN-437c, in patients with advanced solid tumors. The results demonstrated promising signs of durable tumor response and disease control in this patient population. The safety profile was consistent with that of approved CDK4/6 inhibitors, with no concerning signals in terms of pulmonary, cardiac, or thrombotic risk. The efficacy and safety of FCN-437c merit further study, and this novel agent holds promise as a new alternative treatment for patients with few options. Abstract A phase I study evaluated the safety, tolerability, and maximum-tolerated dose (MTD)/recommended phase II dose (RP2D) of FCN-437c, a novel, orally available cyclin-dependent kinase inhibitor (CDK4/6i), in participants with advanced/metastatic solid tumors (aSTs). FCN-437c was escalated from 50 mg (once daily [QD] on days 1–21 of 28-day cycles) to the MTD/RP2D. In the dose-expansion phase, patients with CDK4/6i-treated breast cancer, or KRAS-mutant (KRASmut) non-small-cell lung cancer (NSCLC) received the MTD. Twenty-two patients were enrolled. The most common tumors in the dose-escalation phase (n = 15) were breast, colorectal, and lung (each n = 4 [27.3%]). The dose-expansion phase included five (71.4%) patients with breast cancer and two (28.6%) with KRASmut NSCLC. Twenty (90.9%) participants experienced FCN-437c–related adverse events. Dose-limiting toxicities occurred in two (33.3%) participants (200-mg dose, dose-escalation phase): grade 3 neutropenia and grade 4 neutrophil count decreased. Due to toxicities reported at 150 mg QD, the MTD was de-escalated to 100 mg QD. One (4.5%) participant (KRASmut NSCLC, 100-mg dose) achieved a partial response lasting 724+ days, and five (22.7%) had stable disease lasting 56+ days. In conclusion, FCN-437c was well tolerated with encouraging signs of antitumor activity and disease control. Further exploration of FCN-437c in aSTs is warranted.
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Affiliation(s)
- Amita Patnaik
- South Texas Accelerated Research Therapeutics, San Antonio, TX 78229, USA
| | - Erika Hamilton
- Breast and Gynecologic Research Program, Sarah Cannon Research Institute, Tennessee Oncology PLLC, Nashville, TN 37203, USA
| | - Yan Xing
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Drew W. Rasco
- South Texas Accelerated Research Therapeutics, San Antonio, TX 78229, USA
| | - Lon Smith
- South Texas Accelerated Research Therapeutics, San Antonio, TX 78229, USA
| | - Ya-Li Lee
- Fosun Pharma USA Inc., Lexington, MA 02421, USA
| | - Steven Fang
- Fosun Pharma USA Inc., Lexington, MA 02421, USA
| | - Jiao Wei
- Fosun Pharma USA Inc., Lexington, MA 02421, USA
- Correspondence:
| | - Ai-Min Hui
- Fosun Pharma USA Inc., Lexington, MA 02421, USA
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