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Walker RL, Hornicek FJ, Duan Z. Transcriptional regulation and therapeutic potential of cyclin-dependent kinase 9 (CDK9) in sarcoma. Biochem Pharmacol 2024; 226:116342. [PMID: 38848777 DOI: 10.1016/j.bcp.2024.116342] [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: 04/01/2024] [Revised: 05/17/2024] [Accepted: 06/04/2024] [Indexed: 06/09/2024]
Abstract
Sarcomas include various subtypes comprising two significant groups - soft tissue and bone sarcomas. Although the survival rate for some sarcoma subtypes has improved over time, the current methods of treatment remain efficaciously limited, as recurrent, and metastatic diseases remain a major obstacle. There is a need for better options and therapeutic strategies in treating sarcoma. Cyclin dependent kinase 9 (CDK9) is a transcriptional kinase and has emerged as a promising target for treating various cancers. The aberrant expression and activation of CDK9 have been observed in several sarcoma subtypes, including rhabdomyosarcoma, synovial sarcoma, osteosarcoma, Ewing sarcoma, and chordoma. Enhanced CDK9 expression has also been correlated with poorer prognosis in sarcoma patients. As a master regulator of transcription, CDK9 promotes transcription elongation by phosphorylation and releasing RNA polymerase II (RNAPII) from its promoter proximal pause. Release of RNAPII from this pause induces transcription of critical genes in the tumor cell. Overexpression and activation of CDK9 have been observed to lead to the expression of oncogenes, including MYC and MCL-1, that aid sarcoma development and progression. Inhibition of CDK9 in sarcoma has been proven to reduce these oncogenes' expression and decrease proliferation and growth in different sarcoma cells. Currently, there are several CDK9 inhibitors in preclinical and clinical investigations. This review aims to highlight the recent discovery and results on the transcriptional role and therapeutic potential of CDK9 in sarcoma.
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Affiliation(s)
- Robert L Walker
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, Sylvester Comprehensive Cancer Center, and the University of Miami Miller School of Medicine, Papanicolaou Cancer Research Building, 1550 N.W. 10(th) Avenue, Miami, FL 33136. USA
| | - Francis J Hornicek
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, Sylvester Comprehensive Cancer Center, and the University of Miami Miller School of Medicine, Papanicolaou Cancer Research Building, 1550 N.W. 10(th) Avenue, Miami, FL 33136. USA
| | - Zhenfeng Duan
- Department of Orthopedic Surgery, Sarcoma Biology Laboratory, Sylvester Comprehensive Cancer Center, and the University of Miami Miller School of Medicine, Papanicolaou Cancer Research Building, 1550 N.W. 10(th) Avenue, Miami, FL 33136. USA.
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2
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Liu XS, Zhang Y, Ming X, Hu J, Chen XL, Wang YL, Zhang YH, Gao Y, Pei ZJ. SPC25 as a novel therapeutic and prognostic biomarker and its association with glycolysis, ferroptosis and ceRNA in lung adenocarcinoma. Aging (Albany NY) 2024; 16:779-798. [PMID: 38217547 PMCID: PMC10817414 DOI: 10.18632/aging.205418] [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: 09/06/2023] [Accepted: 12/04/2023] [Indexed: 01/15/2024]
Abstract
OBJECTIVE Spindle pole body component 25 (SPC25) is an important cyclin involved in chromosome segregation and spindle dynamics regulation during mitosis. However, the role of SPC25 in lung adenocarcinoma (LAUD) is unclear. MATERIALS AND METHODS The differential expression of SPC25 in tumor samples and normal samples was analyzed using TIMER, TCGA, GEO databases, and the correlation between its expression and clinicopathological features and prognosis in LUAD patients. Biological pathways that may be enriched by SPC25 were analyzed using GSEA. In vitro cell experiments were used to evaluate the effect of knocking down SPC25 expression on LUAD cells. Correlation analysis and differential analysis were used to assess the association of SPC25 expression with genes related to cell cycle, glycolysis, and ferroptosis. A ceRNA network involving SPC25 was constructed using multiple database analyses. RESULTS SPC25 was highly expressed in LUAD, and its expression level could guide staging and predict prognosis. GSEA found that high expression of SPC25 involved multiple cell cycles and glycolytic pathways. Knocking down SPC25 expression significantly affected the proliferation, migration and apoptosis of LUAD cells. Abnormal SPC25 expression levels can affect cell cycle progression, glycolytic ability and ferroptosis regulation. A ceRNA network containing SPC25, SNHG15/hsa-miR-451a/SPC25, was successfully predicted and constructed. CONCLUSIONS Our findings reveal the association of up-regulation of SPC25 in LUAD and its expression with clinical features, prognosis prediction, proliferation migration, cell cycle, glycolysis, ferroptosis, and ceRNA networks. Our results indicate that SPC25 can be used as a biomarker in LUAD therapy and a target for therapeutic intervention.
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Affiliation(s)
- Xu-Sheng Liu
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yu Zhang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Xing Ming
- Department of Infection Control, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Jian Hu
- Department of Critical Care Medicine, Danjiangkou First Hospital, Danjiangkou 420381, China
| | - Xuan-Long Chen
- Department of Medical Ultrasound, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Ya-Lan Wang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yao-Hua Zhang
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Yan Gao
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
| | - Zhi-Jun Pei
- Department of Nuclear Medicine, Hubei Provincial Clinical Research Center for Precision Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
- Hubei Provincial Clinical Research Center for Umbilical Cord Blood Hematopoietic Stem Cells, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China
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Zhang Z, Wang X, Nie P, Qin Y, Shi J, Xu S. DEPDC1B promotes development of cholangiocarcinoma through enhancing the stability of CDK1 and regulating malignant phenotypes. Front Oncol 2022; 12:842205. [PMID: 36568241 PMCID: PMC9769124 DOI: 10.3389/fonc.2022.842205] [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: 12/23/2021] [Accepted: 11/04/2022] [Indexed: 12/12/2022] Open
Abstract
Cholangiocarcinoma (CCA) is the second most common primary tumor of the hepatobiliary system. At present, the therapeutic efficiency of cholangiocarcinoma is fairly low and the prognosis is poor. The root cause is that the molecular mechanism of the occurrence and development of CCA is largely unclear. This work intended to clarify the role of DEP domain-containing protein 1B (DEPDC1B) in the progress of CCA through cellular biology research strategies and further clarify the molecular mechanism of CCA. Clinical tissue-related detection showed that the expression level of DEPDC1B in tumor tissues was significantly higher than that in normal tissues and was positively correlated with tumor grade. Knockdown of the endogenous DEPDC1B of CCA cells can significantly inhibit cell proliferation and migration, while promoting cell apoptosis and blocking the cell cycle. DEPDC1B overexpression induced the opposite effects. Studies in animal models also showed that the downregulation of DEPDC1B can reduce the tumorigenicity of CCA cells. In addition, through gene profiling analysis and molecular biology studies, we found that CDK1 may be an important downstream mediator of DEPDC1B, the protein stability of which was significantly decreased through the ubiquitin-proteasome system in DEPDC1B knockdown cells. Moreover, knockdown of CDK1 can weaken the promotion of CCA caused by DEPDC1B overexpression. In summary, our research showed that DEPDC1B plays an important role in the development of CCA and its targeted inhibition may become one of the important methods to inhibit the progress of CCA.
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Affiliation(s)
- Zhenhai Zhang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Xinxing Wang
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Peihua Nie
- Department of Ophthalmology and Otorhinolaryngology, Shandong Provincial Third hospital, Jinan, Shandong, China
| | - Yejun Qin
- Department of Pathology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Junping Shi
- Medical Department, OrigiMed, Shanghai, China
| | - Shifeng Xu
- Department of Hepatobiliary Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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Traweek RS, Cope BM, Roland CL, Keung EZ, Nassif EF, Erstad DJ. Targeting the MDM2-p53 pathway in dedifferentiated liposarcoma. Front Oncol 2022; 12:1006959. [PMID: 36439412 PMCID: PMC9684653 DOI: 10.3389/fonc.2022.1006959] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/19/2022] [Indexed: 10/12/2023] Open
Abstract
Dedifferentiated liposarcoma (DDLPS) is an aggressive adipogenic cancer with poor prognosis. DDLPS tumors are only modestly sensitive to chemotherapy and radiation, and there is a need for more effective therapies. Genetically, DDLPS is characterized by a low tumor mutational burden and frequent chromosomal structural abnormalities including amplification of the 12q13-15 chromosomal region and the MDM2 gene, which are defining features of DDLPS. The MDM2 protein is an E3 ubiquitin ligase that targets the tumor suppressor, p53, for proteasomal degradation. MDM2 amplification or overexpression in human malignancies is associated with cell-cycle progression and worse prognosis. The MDM2-p53 interaction has thus garnered interest as a therapeutic target for DDLPS and other malignancies. MDM2 binds p53 via a hydrophobic protein interaction that is easily accessible with synthetic analogues. Multiple agents have been developed, including Nutlins such as RG7112 and small molecular inhibitors including SAR405838 and HDM201. Preclinical in vitro and animal models have shown promising results with MDM2 inhibition, resulting in robust p53 reactivation and cancer cell death. However, multiple early-phase clinical trials have failed to show a benefit with MDM2 pathway inhibition for DDLPS. Mechanisms of resistance are being elucidated, and novel inhibitors and combination therapies are currently under investigation. This review provides an overview of these strategies for targeting MDM2 in DDLPS.
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Affiliation(s)
- Raymond S. Traweek
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Brandon M. Cope
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Christina L. Roland
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Emily Z. Keung
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Elise F. Nassif
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Derek J. Erstad
- Division of Surgical Oncology, Baylor College of Medicine, Houston, TX, United States
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5
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Advances in the development of chordoma models for drug discovery and precision medicine. Biochim Biophys Acta Rev Cancer 2022; 1877:188812. [DOI: 10.1016/j.bbcan.2022.188812] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/31/2022] [Accepted: 09/28/2022] [Indexed: 12/24/2022]
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Barghi F, Shannon HE, Saadatzadeh MR, Bailey BJ, Riyahi N, Bijangi-Vishehsaraei K, Just M, Ferguson MJ, Pandya PH, Pollok KE. Precision Medicine Highlights Dysregulation of the CDK4/6 Cell Cycle Regulatory Pathway in Pediatric, Adolescents and Young Adult Sarcomas. Cancers (Basel) 2022; 14:cancers14153611. [PMID: 35892870 PMCID: PMC9331212 DOI: 10.3390/cancers14153611] [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: 06/06/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary This review provides an overview of clinical features and current therapies in children, adolescents, and young adults (AYA) with sarcoma. It highlights the basic and clinical findings on the cyclin-dependent kinases 4 and 6 (CDK4/6) cell cycle regulatory pathway in the context of the precision medicine-based molecular profiles of the three most common types of pediatric and AYA sarcomas—osteosarcoma (OS), rhabdomyosarcoma (RMS), and Ewing sarcoma (EWS). Abstract Despite improved therapeutic and clinical outcomes for patients with localized diseases, outcomes for pediatric and AYA sarcoma patients with high-grade or aggressive disease are still relatively poor. With advancements in next generation sequencing (NGS), precision medicine now provides a strategy to improve outcomes in patients with aggressive disease by identifying biomarkers of therapeutic sensitivity or resistance. The integration of NGS into clinical decision making not only increases the accuracy of diagnosis and prognosis, but also has the potential to identify effective and less toxic therapies for pediatric and AYA sarcomas. Genome and transcriptome profiling have detected dysregulation of the CDK4/6 cell cycle regulatory pathway in subpopulations of pediatric and AYA OS, RMS, and EWS. In these patients, the inhibition of CDK4/6 represents a promising precision medicine-guided therapy. There is a critical need, however, to identify novel and promising combination therapies to fight the development of resistance to CDK4/6 inhibition. In this review, we offer rationale and perspective on the promise and challenges of this therapeutic approach.
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Affiliation(s)
- Farinaz Barghi
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - Harlan E. Shannon
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - M. Reza Saadatzadeh
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Barbara J. Bailey
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - Niknam Riyahi
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Khadijeh Bijangi-Vishehsaraei
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Marissa Just
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Michael J. Ferguson
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Pankita H. Pandya
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
- Correspondence: (P.H.P.); (K.E.P.)
| | - Karen E. Pollok
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Correspondence: (P.H.P.); (K.E.P.)
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Thiel JT, Daigeler A, Kolbenschlag J, Rachunek K, Hoffmann S. The Role of CDK Pathway Dysregulation and Its Therapeutic Potential in Soft Tissue Sarcoma. Cancers (Basel) 2022; 14:3380. [PMID: 35884441 PMCID: PMC9323700 DOI: 10.3390/cancers14143380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/07/2022] [Accepted: 07/09/2022] [Indexed: 02/04/2023] Open
Abstract
Soft tissue sarcomas (STSs) are tumors that are challenging to treat due to their pathologic and molecular heterogeneity and their tumor biology that is not yet fully understood. Recent research indicates that dysregulation of cyclin-dependent kinase (CDK) signaling pathways can be a strong driver of sarcogenesis. CDKs are enzyme forms that play a crucial role in cell-cycle control and transcription. They belong to the protein kinases group and to the serine/threonine kinases subgroup. Recently identified CDK/cyclin complexes and established CDK/cyclin complexes that regulate the cell cycle are involved in the regulation of gene expression through phosphorylation of critical components of transcription and pre-mRNA processing mechanisms. The current and continually growing body of data shows that CDKs play a decisive role in tumor development and are involved in the proliferation and growth of sarcoma cells. Since the abnormal expression or activation of large numbers of CDKs is considered to be characteristic of cancer development and progression, dysregulation of the CDK signaling pathways occurs in many subtypes of STSs. This review discusses how reversal and regulation can be achieved with new therapeutics and summarizes the current evidence from studies regarding CDK modulation for STS treatment.
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Affiliation(s)
- Johannes Tobias Thiel
- Department of Hand, Plastic, Reconstructive and Burn Surgery, BG Unfallklinik Tuebingen, University of Tuebingen, 72076 Tuebingen, Germany; (A.D.); (J.K.); (K.R.); (S.H.)
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Circ_0110940 Exerts an Antiapoptotic and Pro-Proliferative Effect in Gastric Cancer Cells via the miR-1178-3p/SLC38A6 Axis. JOURNAL OF ONCOLOGY 2022; 2022:3494057. [PMID: 35813866 PMCID: PMC9262524 DOI: 10.1155/2022/3494057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 06/02/2022] [Accepted: 06/08/2022] [Indexed: 12/14/2022]
Abstract
Circular RNAs (circRNAs) are essential regulators in human cancers, including gastric cancer, by the miRNA/mRNA axis. A previous study identified the upregulation of circ_0110940 in human gastric cancer tissues. The present study performed in vitro assays to reveal the functions of circ_0110940 and its downstream miRNA/mRNA axis in gastric cancer cells. Traditional proliferation and apoptosis assays including colony formation, EdU staining, and Annexin V-PI staining assays were conducted. A luciferase reporter assay was performed to assess the binding between miR-1178-3p and circ_0110940 or SLC38A. We found the significant upregulation of circ_0110940 in human gastric cancer cells AGS and MKN45. Circ_0110940 was a stable circRNA and exerted an antiproliferative and proapoptotic effect in AGS and MKN45. Circ_0110940 binded with miR-1178-3p, which further targeted SLC38A6 3′UTR. Circ_0110940 degraded miR-1178-3p, and miR-1178-3p degraded SLC38A6. Thus, circ_0110940 has a positive effect on SLC38A6 expression. Furthermore, SLC38A6 rescued the effects of circ_0110940 knockdown on gastric cancer cell proliferation and apoptosis. In conclusion, circ_0110940 exerted an antiapoptotic and pro-proliferative effect in gastric cancer cells via the miR-1178-3p/SLC38A6 axis, which may provide basis for the targeted therapy of gastric cancer.
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Lv C, Gao Y, Yao J, Li Y, Lou Q, Zhang M, Tian Q, Yang Y, Sun D. High Iodine Induces the Proliferation of Papillary and Anaplastic Thyroid Cancer Cells via AKT/Wee1/CDK1 Axis. Front Oncol 2021; 11:622085. [PMID: 33796458 PMCID: PMC8008130 DOI: 10.3389/fonc.2021.622085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/26/2021] [Indexed: 12/19/2022] Open
Abstract
High iodine can alter the proliferative activity of thyroid cancer cells, but the underlying mechanism has not been fully elucidated. Here, the role of high iodine in the proliferation of thyroid cancer cells was studied. In this study, we demonstrated that high iodine induced the proliferation of BCPAP and 8305C cells via accelerating cell cycle progression. The transcriptome analysis showed that there were 295 differentially expressed genes (DEGs) in BCPAP and 8305C cells induced by high iodine, among which CDK1 expression associated with the proliferation of thyroid cancer cells induced by high iodine. Moreover, the western blot analysis revealed that cells exposed to high iodine enhanced the phosphorylation activation of AKT and the expression of phospho-Wee1 (Ser642), while decreasing the expression of phospho-CDK1 (Tyr15). Importantly, the inhibition of AKT phosphorylation revered the expression of CDK1 induced by high iodine and arrested the cell cycle in the G1 phase, decreasing the proliferation of thyroid cancer cells induced by high iodine. Taken together, these findings suggested that high iodine induced the proliferation of thyroid cancer cells through AKT-mediated Wee1/CDK1 axis, which provided new insights into the regulation of proliferation of thyroid cancer cells by iodine.
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Affiliation(s)
- Chunpeng Lv
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Yanhui Gao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Jinyin Yao
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Yan Li
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Qun Lou
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Meichen Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Qiushi Tian
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Yanmei Yang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
| | - Dianjun Sun
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, China.,Key Laboratory of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & Ministry of Health, Harbin, China
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Zhang M, Zhang Q, Bai J, Zhao Z, Zhang J. Transcriptome analysis revealed CENPF associated with glioma prognosis. MATHEMATICAL BIOSCIENCES AND ENGINEERING : MBE 2021; 18:2077-2096. [PMID: 33892537 DOI: 10.3934/mbe.2021107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Gliomas are common malignant tumors of the central nervous system. Despite the surgical resection and postoperative radiotherapy and chemotherapy, the prognosis of glioma remains poor. Therefore, it is important to reveal the molecular mechanisms that promotes glioma progression. Microarray datasets were obtained from the Gene Expression Omnibus (GEO) database. The GEO2R tool was used to identify 428 differentially expressed genes (DEGs) and a core module from three microarray datasets. Heat maps were drawn based on DEGs. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed using the DAVID database. The core module was significantly involved in several KEGG pathways, such as "cell cycle", "viral carcinogenesis", "progesterone-mediated oocyte maturation", "p53 signaling pathway". The protein-protein interaction (PPI) networks and modules were built using the STRING database and the MCODE plugin, respectively, which were visualized using Cytoscape software. Identification of hub genes in the core module using the CytoHubba plugin. The top modular genes AURKA, CDC20, CDK1, CENPF, and TOP2A were associated with glioma development and prognosis. In the Human Protein Atlas (HPA) database, CDC20, CENPF and TOP2A have significant protein expression. Univariate and multivariate cox regression analysis showed that only CENPF had independent influencing factors in the CGGA database. GSEA analysis found that CENPF was significantly enriched in the cell cycle, P53 signaling pathway, MAPK signaling pathway, DNA replication, spliceosome, ubiquitin-mediated proteolysis, focal adhesion, pathway in cancer, glioma, which was highly consistent with previous studies. Our study revealed a core module that was highly correlated with glioma development. The key gene CENPF and signaling pathways were identified through a series of bioinformatics analysis. CENPF was identified as a candidate biomarker molecule.
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Affiliation(s)
- Moxuan Zhang
- Department of Neurosurgery, Linyi People's Hospital, Linyi 276000, China
| | - Quan Zhang
- Weifang Medical University, Weifang 261053, China
| | - Jilin Bai
- Weifang Medical University, Weifang 261053, China
| | - Zhiming Zhao
- Weifang Medical University, Weifang 261053, China
| | - Jian Zhang
- Department of Neurosurgery, Linyi People's Hospital, Linyi 276000, China
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11
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Ma H, Dean DC, Wei R, Hornicek FJ, Duan Z. Cyclin-dependent kinase 7 (CDK7) is an emerging prognostic biomarker and therapeutic target in osteosarcoma. Ther Adv Musculoskelet Dis 2021; 13:1759720X21995069. [PMID: 34104229 PMCID: PMC8164556 DOI: 10.1177/1759720x21995069] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/10/2020] [Indexed: 11/17/2022] Open
Abstract
Background: Overexpression of cyclin-dependent kinase 7 (CDK7) is a well-known pathogenic feature of various malignancies and a sign of a more dismal prognosis. As relatively little is known about CDK7 in osteosarcoma, we elected to evaluate its expression, prognostic value, and function. Methods: We began by analyzing the publicly available data sets on CDK7 expression, including RNA sequencing data from the Therapeutically Applicable Research to Generate Effective Treatments on Osteosarcoma (TARGET-OS) and the Gene Expression database of Normal and Tumor tissues 2 (GENT2). The correlation between patient tissue CDK7 expression and their clinicopathological features and prognosis was assessed via immunohistochemical staining of a unique tissue microarray constructed from osteosarcoma specimens. Furthermore, we analyzed CDK7 expression in osteosarcoma cell lines and tissues by Western blot. CDK7-specific siRNA and a highly-selective CDK7 inhibitor, BS-181, were applied to determine the function of CDK7 on osteosarcoma cell growth and proliferation. In addition, the effect of CDK7 inhibition on clonogenicity was evaluated using a clonogenic assay, and a 3D cell culture model was used to mimic CDK7 effects in an in vivo environment. Results: Our results demonstrate that higher CDK7 expression significantly correlates with recurrence, metastasis, and shorter overall survival in osteosarcoma patients. Therapeutically, we show that CDK7 knockdown with siRNA or selective inhibition with BS-181 decreases proliferation and induces apoptosis of osteosarcoma cells. Conclusion: This study supports CDK7 overexpression as an independent predictor of poor prognosis and promising therapeutic target for osteosarcoma.
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Affiliation(s)
- Hangzhan Ma
- Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China
| | - Dylan C Dean
- Department of Orthopedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Ran Wei
- Department of Orthopedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Francis J Hornicek
- Department of Orthopedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Zhenfeng Duan
- Department of Orthopedic Surgery, David Geffen School of Medicine at UCLA, 615 Charles E. Young Dr. South, Los Angeles, CA 90095, USA
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12
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Guo JC, Yang YJ, Guo M, Zhang JQ, Zheng JF, Liu Z. Involvement of CDK11B-mediated SPDEF ubiquitination and SPDEF-mediated microRNA-448 activation in the oncogenicity and self-renewal of hepatocellular carcinoma stem cells. Cancer Gene Ther 2020; 28:1136-1149. [PMID: 33328586 DOI: 10.1038/s41417-020-00261-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 10/25/2020] [Accepted: 11/10/2020] [Indexed: 11/09/2022]
Abstract
Increasing evidence has suggested the crucial role cyclin-dependent kinases (CDKs) in the biology of hepatocellular carcinoma (HCC), a lethal malignancy with high morbidity and mortality. Hence, this study explored the modulatory effect of the putative cyclin-dependent kinase 11B (CDK11B)-mediated ubiquitination on HCC stem cells. The expression of CDK11B, SAM pointed domain-containing ETS transcription factor (SPDEF) and DOT1-like histone lysine methyltransferase (DOT1L) was determined by RT-qPCR and western blot analysis in HCC tissues and cells. The interaction among CDK11B, SPDEF, miR-448, and DOT1L was analyzed by Co-IP, ubiquitination-IP and ChIP assays, whereas their effects on the biological characteristics of HCC stem cells were assessed by sphere formation and colony formation assays. An in vivo xenograft tumor model was developed for validating the regulation of CDK11B in oncogenicity of HCC stem cells. We characterized the aberrant upregulation of CDK11B and downregulation SPDEF in HCC tissues and cells. CDK11B degraded SPDEF through ubiquitin-proteasome pathway, whereas SPDEF could bind to the miR-448 promoter and inhibit the expression of DOT1L by activating miR-448, whereby promoting self-renewal of HCC stem cells. Knockdown of CDK11B attenuated the self-renewal capability of HCC stem cells and their oncogenicity in vivo. These findings highlighted that blocking the CDK11B-induced degradation of SPDEF and enhancing miR-448-dependent inhibition of DOT1L may delay the progression of HCC by restraining self-renewal capability of HCC stem cells, representing novel targets for HCC management.
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Affiliation(s)
- Jun-Cheng Guo
- Department of Hepatobiliary Surgery, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, 570208, P. R. China
| | - Yi-Jun Yang
- Department of Hepatobiliary Surgery, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, 570208, P. R. China.
| | - Min Guo
- Psychological Research Center, Hainan General Hospital, Haikou, 570311, P. R. China
| | - Jian-Quan Zhang
- Department of Hepatobiliary Surgery, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, 570208, P. R. China.
| | - Jin-Fang Zheng
- Department of Hepatobiliary Surgery, Hainan General Hospital, Haikou, 570311, P. R. China
| | - Zhuo Liu
- School of Public Health, Hainan Medical University, Haikou, 571199, P. R. China
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13
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Thanindratarn P, Dean DC, Feng W, Wei R, Nelson SD, Hornicek FJ, Duan Z. Cyclin-dependent kinase 12 (CDK12) in chordoma: prognostic and therapeutic value. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2020; 29:3214-3228. [PMID: 32691223 DOI: 10.1007/s00586-020-06543-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/14/2020] [Indexed: 01/22/2023]
Abstract
PURPOSE To determine the cyclin-dependent kinase 12 (CDK12) expression in chordoma patient tissues and cell lines, its correlation with oncologic outcomes, and its function in chordoma cell proliferation. METHODS A chordoma tissue microarray was constructed from fifty-six patient specimens and examined by immunohistochemistry to measure CDK12 expression and its correlation to patient clinical characteristics and survival. CDK12 expression in chordoma cell lines and patient tissues was evaluated via western blot. CDK12 specific small interfering RNA (siRNA) was applied to determine whether its inhibition attenuated chordoma cell growth and proliferation. RESULTS CDK12 was expressed in the majority of chordoma specimens, with notably higher expression in patients with recurrent or metastatic disease. High CDK12 expression was an independent prognostic predictor for shorter overall and progression-free survival in chordoma by univariate and multivariate analysis. Western blot analysis revealed that CDK12 was also highly expressed in chordoma cell lines, with CDK12 specific small interfering RNA (siRNA) mediated knockdown decreasing proliferation and inducing apoptosis. Mechanistically, inhibition of CDK12 decreased phosphorylation of RNA polymerase II (RNAP II) and the anti-apoptotic proteins Survivin and Mcl-1. CONCLUSION High expression of CDK12 is an independent predictor of poor prognosis in chordoma. Inhibition of CDK12 significantly decreased chordoma cell proliferation and induced apoptosis. Our results support CDK12 as a novel prognostic biomarker and therapeutic target in chordoma.
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Affiliation(s)
- Pichaya Thanindratarn
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA.,Department of Orthopedic Surgery, Chulabhorn Hospital, HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Dylan C Dean
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA
| | - Wenlong Feng
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA.,Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Ran Wei
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA.,Musculoskeletal Tumor Center, Beijing Key Laboratory of Musculoskeletal Tumor, Peking University People's Hospital, Beijing, China
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Francis J Hornicek
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA
| | - Zhenfeng Duan
- Department of Orthopaedic Surgery, Sarcoma Biology Laboratory, David Geffen School of Medicine, University of California, Los Angeles, 615 Charles E. Young. Dr. South, Los Angeles, CA, 90095, USA.
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14
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Li L, Huang K, Zhao H, Chen B, Ye Q, Yue J. CDK1-PLK1/SGOL2/ANLN pathway mediating abnormal cell division in cell cycle may be a critical process in hepatocellular carcinoma. Cell Cycle 2020; 19:1236-1252. [PMID: 32275843 PMCID: PMC7217380 DOI: 10.1080/15384101.2020.1749471] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 01/13/2020] [Accepted: 03/06/2020] [Indexed: 12/20/2022] Open
Abstract
This study aims to investigate the potential mechanisms and identify core biomarkers of Hepatocellular carcinoma (HCC). The profile GSE113850 was downloaded to analyze the differentially expressed genes. Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and protein-protein interaction network analysis were used to reveal the main signal pathways of the differentially expressed genes (DEGs) and hub genes. The correlation between core gene expression and pathological stages, the disease-free survival analysis, the overall survival analysis were analyzed by Gene Expression Profiling Interactive Analysis. Furthermore, we reidentified the expression level of core genes of carcinoma tissues and para-carcinoma tissues from 14 HCC patients with real-time reverse transcription-polymerase chain reaction analysis (RT-PCR) and western blotting. After SK-Hep1 cell was treated with cyclin-dependent kinase 1 (CDK1) siRNA for 72 h, we detected the expression of the core genes and fluorescence-activated cell sorting analysis. A total of 378 DEGs were found. GO and KEGG analysis revealed that the DEGs were mainly enriched in the cell cycle. There were positive correlations among CDK1, polo-like kinase 1, shugoshin2 and anillin actin-binding protein. Moreover, the expression levels of four core genes were related to the HCC occurrence, pathological stages, and survivorship curve. The clinical HCC specimens verified the higher expression level of core genes by real-time RT-PCR. The transfection of siCDK1 in SK-Hep1 resulted in a disordered cell cycle. Furthermore, CDK1 knockdown suppressed the expression of PLK1, ANLN, and SGOL2. The CDK1-PLK1/SGOL2/ANLN pathway mediating abnormal cell division in the cell cycle might be a critical process in HCC.
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Affiliation(s)
- Ling Li
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, Hubei, RP China
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan, Hubei, RP China
| | - Kang Huang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, Hubei, RP China
| | - Huijia Zhao
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, Hubei, RP China
| | - Binyao Chen
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, Hubei, RP China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, Hubei Key Laboratory of Medical Technology on Transplantation, Wuhan, Hubei, RP China
- The 3rd Xiangya Hospital of Central South University, Research Center of National Health Ministry on Transplantation Medicine Engineering and Technology, Changsha, Hubei, RP China
| | - Jiang Yue
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan, Hubei, RP China
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15
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Abe K, Yamamoto N, Domoto T, Bolidong D, Hayashi K, Takeuchi A, Miwa S, Igarashi K, Inatani H, Aoki Y, Higuchi T, Taniguchi Y, Yonezawa H, Araki Y, Aiba H, Minamoto T, Tsuchiya H. Glycogen synthase kinase 3β as a potential therapeutic target in synovial sarcoma and fibrosarcoma. Cancer Sci 2019; 111:429-440. [PMID: 31808966 PMCID: PMC7004542 DOI: 10.1111/cas.14271] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 11/25/2019] [Accepted: 12/02/2019] [Indexed: 02/06/2023] Open
Abstract
Soft tissue sarcomas (STSs) are a rare cancer type. Almost half are unresponsive to multi-pronged treatment and might therefore benefit from biologically targeted therapy. An emerging target is glycogen synthase kinase (GSK)3β, which is implicated in various diseases including cancer. Here, we investigated the expression, activity and putative pathological role of GSK3β in synovial sarcoma and fibrosarcoma, comprising the majority of STS that are encountered in orthopedics. Expression of the active form of GSK3β (tyrosine 216-phosphorylated) was higher in synovial sarcoma (SYO-1, HS-SY-II, SW982) and in fibrosarcoma (HT1080) tumor cell lines than in untransformed fibroblast (NHDF) cells that are assumed to be the normal mesenchymal counterpart cells. Inhibition of GSK3β activity by pharmacological agents (AR-A014418, SB-216763) or of its expression by RNA interference suppressed the proliferation of sarcoma cells and their invasion of collagen gel, as well as inducing their apoptosis. These effects were associated with G0/G1-phase cell cycle arrest and decreased expression of cyclin D1, cyclin-dependent kinase (CDK)4 and matrix metalloproteinase 2. Intraperitoneal injection of the GSK3β inhibitors attenuated the growth of SYO-1 and HT1080 xenografts in athymic mice without obvious detrimental effects. It also mitigated cell proliferation and induced apoptosis in the tumors of mice. This study indicates that increased activity of GSK3β in synovial sarcoma and fibrosarcoma sustains tumor proliferation and invasion through the cyclin D1/CDK4-mediated pathway and enhanced extracellular matrix degradation. Our results provide a biological basis for GSK3β as a new and promising therapeutic target for these STS types.
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Affiliation(s)
- Kensaku Abe
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan.,Division of Translational and Clinical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takahiro Domoto
- Division of Translational and Clinical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Dilireba Bolidong
- Division of Translational and Clinical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Akihiko Takeuchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kentaro Igarashi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Inatani
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Yu Aoki
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Takashi Higuchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Yuta Taniguchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Hirotaka Yonezawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Yoshihiro Araki
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Hisaki Aiba
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Toshinari Minamoto
- Division of Translational and Clinical Oncology, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
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16
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Zhao JF, Zha ZA, Xie WH, Wang HB, Li XM, Sun Q, Sun ML. [Effect of long chain non-coding RNA H19 on the migration and invasion of oral cancer cells and its molecular mechanism]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2019; 37:378-383. [PMID: 31512829 DOI: 10.7518/hxkq.2019.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To investigate the effect of the long chain non-coding RNA H19 (lncRNA H19) on the invasion and migration of oral cancer cells and its related molecular mechanism. METHODS The expression levels of lncRNA H19, miR-107, and cyclin-dependent kinase 6 (CDK6) in the immortalized oral epithelial cell line HIOEC and the oral cancer cell line CAL27 were detected by real-time quantitative polymerase chain reaction. CAL27 cells were transfected with siRNA H19, miR-107 mimics, pcDNA H19, or anti-miR-107, and the effects of H19 and miR-107 on the invasion and migration of cells were examined via Transwell assay. The TargetScan database predicted the targeting of H19, miR-107, and CDK6. Double luciferase reporter gene assay was performed to detect interactions among H19, miR-107, and CDK6. Western blot analysis was conducted to examine the effects of H19 and miR-107 on the protein level of the target gene CDK6. RESULTS Compared with that in HIOEC cells, the expression of H19 was significantly increased in CAL27 cells (P<0.05). After transfection with siRNA H19, the expression of H19 decreased, and the invasion and migration ability of CAL27 cells were inhibited (P<0.05). H19 could bind specifically to the 3'-UTR of miR-107 to modulate the expression of miR-107. Compared with that in HIOEC cells, the expression of miR-107 significantly decreased in CAL27 cells (P<0.05). The expression of miR-107 increased after transfection with siRNA H19, and anti-mir-107 co-transfection could promote the invasion and migration ability of siRNA H19 in CAL27 cells (P<0.05). Compared with that in HIOEC cells, CDK6 expression significantly increased in CAL27 cells (P<0.05), and the expression level of the gene was coregulated by H19 and miR-107 (P<0.05). CONCLUSIONS lncRNA H19 plays an important role in the development of oral cancer. It can regulate the invasion and migration of oral cancer cells by targeting the miR-107/CDK6 signaling axis.
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Affiliation(s)
- Jun-Fang Zhao
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Zhi-An Zha
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Wei-Hong Xie
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Hai-Bin Wang
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Xin-Ming Li
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Qiang Sun
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Ming-Lei Sun
- Dept. of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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17
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Chang MM, Lai MS, Hong SY, Pan BS, Huang H, Yang SH, Wu CC, Sun HS, Chuang JI, Wang CY, Huang BM. FGF9/FGFR2 increase cell proliferation by activating ERK1/2, Rb/E2F1, and cell cycle pathways in mouse Leydig tumor cells. Cancer Sci 2018; 109:3503-3518. [PMID: 30191630 PMCID: PMC6215879 DOI: 10.1111/cas.13793] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/27/2018] [Accepted: 08/30/2018] [Indexed: 12/19/2022] Open
Abstract
Fibroblast growth factor 9 (FGF9) promotes cancer progression; however, its role in cell proliferation related to tumorigenesis remains elusive. We investigated how FGF9 affected MA‐10 mouse Leydig tumor cell proliferation and found that FGF9 significantly induced cell proliferation by activating ERK1/2 and retinoblastoma (Rb) phosphorylations within 15 minutes. Subsequently, the expressions of E2F1 and the cell cycle regulators: cyclin D1, cyclin E1 and cyclin‐dependent kinase 4 (CDK4) in G1 phase and cyclin A1, CDK2 and CDK1 in S‐G2/M phases were increased at 12 hours after FGF9 treatment; and cyclin B1 in G2/M phases were induced at 24 hours after FGF9 stimulation, whereas the phosphorylations of p53, p21 and p27 were not affected by FGF9. Moreover, FGF9‐induced effects were inhibited by MEK inhibitor PD98059, indicating FGF9 activated the Rb/E2F pathway to accelerate MA‐10 cell proliferation by activating ERK1/2. Immunoprecipitation assay and ChIP‐quantitative PCR results showed that FGF9‐induced Rb phosphorylation led to the dissociation of Rb‐E2F1 complexes and thereby enhanced the transactivations of E2F1 target genes, Cyclin D1, Cyclin E1 and Cyclin A1. Silencing of FGF receptor 2 (FGFR2) using lentiviral shRNA inhibited FGF9‐induced ERK1/2 phosphorylation and cell proliferation, indicating that FGFR2 is the obligate receptor for FGF9 to bind and activate the signaling pathway in MA‐10 cells. Furthermore, in a severe combined immunodeficiency mouse xenograft model, FGF9 significantly promoted MA‐10 tumor growth, a consequence of increased cell proliferation and decreased apoptosis. Conclusively, FGF9 interacts with FGFR2 to activate ERK1/2, Rb/E2F1 and cell cycle pathways to induce MA‐10 cell proliferation in vitro and tumor growth in vivo.
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Affiliation(s)
- Ming-Min Chang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Meng-Shao Lai
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Siou-Ying Hong
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Bo-Syong Pan
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC, USA
| | - Hsin Huang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shang-Hsun Yang
- Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Ching Wu
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - H Sunny Sun
- Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jih-Ing Chuang
- Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Physiology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Yih Wang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Bu-Miin Huang
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Basic Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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18
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Liu T, Shen JK, Choy E, Zhang Y, Mankin HJ, Hornicek FJ, Duan Z. CDK4 expression in chordoma: A potential therapeutic target. J Orthop Res 2018; 36:1581-1589. [PMID: 29194728 DOI: 10.1002/jor.23819] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Accepted: 11/27/2017] [Indexed: 02/04/2023]
Abstract
Chordomas are rare bone tumors and treatment is commonly based on a combination of surgery and radiotherapy. There is no standard chemotherapy treatment for chordoma. The aim of this study was to determine the expression of cyclin-dependent kinase 4 (CDK4) in chordoma and its therapeutic implications. We evaluated CDK4 expression both in chordoma cell lines and in chordoma tissues. Also, we investigated the functional roles of CDK4 in chordoma cell growth and proliferation. Furthermore, the therapeutic implications of targeting CDK4 in chordoma were evaluated. We found CDK4 highly expressed in chordoma cell lines and in a majority (97.7%) of chordoma tissues. Higher CDK4 expression correlated with metastasis and recurrence of chordoma. Treatment of chordoma cells using CDK4 inhibitor palbociclib could efficiently inhibit chordoma cells growth and proliferation. These data demonstrate that targeting CDK4 may be useful as a novel strategy in the treatment of chordoma. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1581-1589, 2018.
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Affiliation(s)
- Tang Liu
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095.,Department of Orthopaedics, the 2nd Xiangya Hospital of Central South University, 139 Renmin Road, Changsha, Hunan 410011, P.R. China
| | - Jacson K Shen
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095
| | - Edwin Choy
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095
| | - Yu Zhang
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095.,Department of Orthopedic Surgery, Liu Hua Qiao Hospital, Guangzhou 510010, P.R. China
| | - Henry J Mankin
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095
| | - Francis J Hornicek
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095
| | - Zhenfeng Duan
- UCLA Orthopaedic Surgery, Sarcoma Biology Laboratory, 615 Charles E Young Dr. South, Biomedical Sciences Research Building, Room 410, Los Angeles, CA 90095
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19
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Lin Z, Zhou Z, Guo H, He Y, Pang X, Zhang X, Liu Y, Ao X, Li P, Wang J. Long noncoding RNA gastric cancer-related lncRNA1 mediates gastric malignancy through miRNA-885-3p and cyclin-dependent kinase 4. Cell Death Dis 2018; 9:607. [PMID: 29789536 PMCID: PMC5964145 DOI: 10.1038/s41419-018-0643-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 04/04/2018] [Accepted: 04/12/2018] [Indexed: 01/17/2023]
Abstract
Gastric cancer (GC) is one of the most common malignancy and the third leading cancer-related death in China. Long noncoding RNAs (lncRNAs) have been implicated in numerous tumors, including GC, however, the mechanism of many functional lncRNAs is still unclear. In this study, we identified the abundantly expressed lncRNA, RP11-290F20.3, in GC cells and patient tumor tissues. We named this lncRNA as GC-related lncRNA1 (GCRL1), which could regulate gastric cell proliferation and metastasis, both in vitro and in vivo. Mechanistically, miRNA-885-3p (miR-885-3p) could inhibit the cell proliferation and metastasis in GC by negatively regulating the expression of cyclin-dependent kinase 4 (CDK4) at the post-transcriptional level. Further, GCRL1 promoted the cell proliferation and metastasis by sponging miR-885-3p and hence, positively regulating CDK4 in GC cells. Taken together, our results demonstrate a novel regulatory axis of malignant cell proliferation and invasion in GC, comprising GCRL1, miR-885-3p, and CDK4, which may serve as a potential therapeutic target in GC.
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Affiliation(s)
- Zhijuan Lin
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.,Key Lab for Immunology in Universities of Shandong Province, School of Clinical Medicine, Weifang Medical University, Weifang, 261053, China
| | - Zhixia Zhou
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Hang Guo
- Department of Anesthesiology, PLA Army General Hospital, Beijing, 100700, China
| | - Yuqi He
- Department of Gastroenterology, PLA Army General Hospital, Beijing, 100700, China
| | - Xin Pang
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Xumei Zhang
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, 261041, China
| | - Ying Liu
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Xiang Ao
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China
| | - Peifeng Li
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.
| | - Jianxun Wang
- Center for Tumor Molecular Biology, Institute for Translational Medicine, Qingdao University, Qingdao, 266021, China.
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Li X, Seebacher NA, Garbutt C, Ma H, Gao P, Xiao T, Hornicek FJ, Duan Z. Inhibition of cyclin-dependent kinase 4 as a potential therapeutic strategy for treatment of synovial sarcoma. Cell Death Dis 2018; 9:446. [PMID: 29670090 PMCID: PMC5906661 DOI: 10.1038/s41419-018-0474-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 03/06/2018] [Accepted: 03/09/2018] [Indexed: 11/30/2022]
Abstract
Synovial sarcoma is a highly aggressive but rare form of soft tissue malignancy that primarily affects the extremities of the arms or legs, for which current chemotherapeutic agents have not been proven to be very effective. The cyclin-dependent kinase 4/6-retinoblastoma protein (CDK4/6-Rb) pathway of cell cycle control is known to be aberrant in a large proportion of cancers. Recently, CDK4 inhibitors have successfully been used pre-clinically for the treatment of many human cancers, and in 2015, following the success of clinical trials, the FDA approved the first selective CDK4/6 inhibitor, palbociclib, for the treatment of endocrine therapy resistant breast cancers. However, the expression and therapeutic potential of targeting CDK4 in synovial sarcoma remains unclear. In the present study, we report that CDK4 is highly expressed in human synovial sarcoma, and high CDK4 expressions are associated with poor prognosis in sarcomas patients and the clinical stage and the TNM grade in synovial sarcoma patients. Knockdown of CDK4 with specific small interference RNAs inhibits cell proliferation and enhances apoptotic effects in synovial sarcoma cells. CDK4 inhibitor palbociclib suppresses synovial sarcoma cell proliferation and growth in a dose and time-dependent manner. Palbociclib also inhibits the CDK4/6-Rb signaling pathway and promotes cell apoptosis without changing CDK4/6 protein levels, suggesting that palbociclib only represses the hyper-activation, not the expression of CDK4/6. Flow cytometry analysis reveals that palbociclib induces G1 cell-cycle arrest and apoptotic effects by targeting the CDK4/6-Rb pathway in synovial sarcoma cells. Furthermore, wound healing assays demonstrate that inhibition of the CDK4/6-Rb pathway by palbociclib significantly decreases synovial sarcoma cell migration in vitro. Our study highlights the importance of the CDK4/6-Rb pathway in human synovial sarcoma pathogenesis, and the role of the current selective CDK4/6 inhibitor, palbociclib, as a potential promising targeted therapeutic agent in the treatment of human synovial sarcoma.
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Affiliation(s)
- Xiaoyang Li
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Nicole A Seebacher
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA
| | - Cassandra Garbutt
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Hangzhan Ma
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA
| | - Peng Gao
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA
| | - Tao Xiao
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Francis J Hornicek
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA
| | - Zhenfeng Duan
- Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, David Geffen School of Medicine at University of Los Angeles, Los Angeles, CA, 90095, USA.
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Expression of cell cycle regulators and frequency of TP53 mutations in high risk gastrointestinal stromal tumors prior to adjuvant imatinib treatment. PLoS One 2018; 13:e0193048. [PMID: 29451912 PMCID: PMC5815598 DOI: 10.1371/journal.pone.0193048] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Accepted: 02/02/2018] [Indexed: 12/12/2022] Open
Abstract
Despite of multitude investigations no reliable prognostic immunohistochemical biomarkers in GIST have been established so far with added value to predict the recurrence risk of high risk GIST besides mitotic count, primary location and size. In this study, we analyzed the prognostic relevance of eight cell cycle and apoptosis modulators and of TP53 mutations for prognosis in GIST with high risk of recurrence prior to adjuvant treatment with imatinib. In total, 400 patients with high risk for GIST recurrence were randomly assigned for adjuvant imatinib either for one or for three years following laparotomy. 320 primary tumor samples with available tumor tissue were immunohistochemically analyzed prior to treatment for the expression of cell cycle regulators and apoptosis modulators cyclin D1, p21, p16, CDK4, E2F1, MDM2, p53 and p-RB1. TP53 mutational analysis was possible in 245 cases. A high expression of CDK4 was observed in 32.8% of all cases and was associated with a favorable recurrence free survival (RFS), whereas high expression of MDM2 (12.2%) or p53 (35.3%) was associated with a shorter RFS. These results were independent from the primary KIT or PDGFRA mutation. In GISTs with higher mitotic counts was a significantly increased expression of cyclin D1, p53 and E2F1. The expression of p16 and E2F1 significantly correlated to a non-gastric localization. Furthermore, we observed a significant higher expression of p21 and E2F1 in KIT mutant GISTs compared to PDGFRA mutant and wt GISTs. The overall frequency of TP53 mutations was low (n = 8; 3.5%) and could not be predicted by the immunohistochemical expression of p53. In summary, mutation analysis in TP53 plays a minor role in the subgroup of high-risk GIST before adjuvant treatment with imatinib. Strong expression of MDM2 and p53 correlated with a shorter recurrence free survival, whereas a strong expression of CDK4 correlated to a better recurrence free survival.
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22
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Francis AM, Alexander A, Liu Y, Vijayaraghavan S, Low KH, Yang D, Bui T, Somaiah N, Ravi V, Keyomarsi K, Hunt KK. CDK4/6 Inhibitors Sensitize Rb-positive Sarcoma Cells to Wee1 Kinase Inhibition through Reversible Cell-Cycle Arrest. Mol Cancer Ther 2017; 16:1751-1764. [PMID: 28619757 PMCID: PMC5975955 DOI: 10.1158/1535-7163.mct-17-0040] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/15/2017] [Accepted: 06/09/2017] [Indexed: 12/29/2022]
Abstract
Research into the biology of soft tissue sarcomas has uncovered very few effective treatment strategies that improve upon the current standard of care which usually involves surgery, radiation, and chemotherapy. Many patients with large (>5 cm), high-grade sarcomas develop recurrence, and at that point have limited treatment options available. One challenge is the heterogeneity of genetic drivers of sarcomas, and many of these are not validated targets. Even when such genes are tractable targets, the rarity of each subtype of sarcoma makes advances in research slow. Here we describe the development of a synergistic combination treatment strategy that may be applicable in both soft tissue sarcomas as well as sarcomas of bone that takes advantage of targeting the cell cycle. We show that Rb-positive cell lines treated with the CDK4/6 inhibitor palbociclib reversibly arrest in the G1 phase of the cell cycle, and upon drug removal cells progress through the cell cycle as expected within 6-24 hours. Using a long-term high-throughput assay that allows us to examine drugs in different sequences or concurrently, we found that palbociclib-induced cell-cycle arrest poises Rb-positive sarcoma cells (SK-LMS1 and HT-1080) to be more sensitive to agents that work preferentially in S-G2 phase such as doxorubicin and Wee1 kinase inhibitors (AZD1775). The synergy between palbociclib and AZD1775 was also validated in vivo using SK-LMS1 xenografts as well as Rb-positive patient-derived xenografts (PDX) developed from leiomyosarcoma patients. This work provides the necessary preclinical data in support of a clinical trial utilizing this treatment strategy. Mol Cancer Ther; 16(9); 1751-64. ©2017 AACR.
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Affiliation(s)
- Ashleigh M Francis
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Angela Alexander
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Yanna Liu
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Smruthi Vijayaraghavan
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kwang Hui Low
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Dong Yang
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Tuyen Bui
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Neeta Somaiah
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Vinod Ravi
- Department of Sarcoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Khandan Keyomarsi
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
| | - Kelly K Hunt
- Department of Breast Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
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Di Giovanni C, Novellino E, Chilin A, Lavecchia A, Marzaro G. Investigational drugs targeting cyclin-dependent kinases for the treatment of cancer: an update on recent findings (2013-2016). Expert Opin Investig Drugs 2017; 25:1215-30. [PMID: 27606939 DOI: 10.1080/13543784.2016.1234603] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Cell cycle and gene transcription are under the control of cyclin-dependent kinases (CDKs), whose activity depends on the binding with cyclins. Deregulated CDK activities have been reported in a majority of human cancers, representing potential therapeutic targets. AREAS COVERED This review provides preclinical and clinical (phase I/II) updates of promising therapeutic compounds targeting CDKs published between 2013 and 2016 EXPERT OPINION: First generation pan-CDK inhibitors showed marked toxicity in clinical trials and most compounds were discontinued. Despite their failure was ascribed also to inadequate patient selection rules, novel pan-CDK inhibitors have entered clinical trials with still poorly defined selection strategies. The most interesting results have been obtained with dual CDK4/6 inhibitors and through a more accurate evaluation of predictive biomarkers, suggesting the usefulness of CDK inhibitors for personalized treatment. The increased knowledge on the roles of CDKs in cell cycle and gene transcription suggests to review also the anticancer potential of first generation CDK inhibitors by defining more appropriate rules for patients engagement. Recent findings has highlighted CDK8 as a novel target for cancer treatment. Indeed some biomarkers for CDK8 inhibition sensitivity have already been proposed. CDK8 inhibition is also supposed to prevent cancer metastasis.
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Affiliation(s)
- Carmen Di Giovanni
- a Department of Pharmacy , University of Naples Federico II , Naples , Italy
| | - Ettore Novellino
- a Department of Pharmacy , University of Naples Federico II , Naples , Italy
| | - Adriana Chilin
- b Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Padova , Italy
| | - Antonio Lavecchia
- a Department of Pharmacy , University of Naples Federico II , Naples , Italy
| | - Giovanni Marzaro
- b Department of Pharmaceutical and Pharmacological Sciences , University of Padova , Padova , Italy
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Gao Y, Shen J, Choy E, Mankin H, Hornicek F, Duan Z. Inhibition of CDK4 sensitizes multidrug resistant ovarian cancer cells to paclitaxel by increasing apoptosiss. Cell Oncol (Dordr) 2017; 40:209-218. [PMID: 28243976 DOI: 10.1007/s13402-017-0316-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2017] [Indexed: 12/14/2022] Open
Abstract
PURPOSE Overexpression of cyclin-dependent kinase (CDK) 4 has been observed in a variety of cancers and has been found to contribute to tumor cell growth and proliferation. However, the effect of inhibition of CDK4 in ovarian cancer is unknown. We investigated the therapeutic effect of the CDK4 inhibitor palbociclib in combination with paclitaxel in ovarian cancer cells. METHODS Cell viabilities were determined by MTT assay after exposure to different dosages of palbociclib and/or paclitaxel. Western blot, immunofluorescence, and Calcein AM assays were conducted to determine the mechanisms underlying the cytotoxic effects of palbociclib in combination with paclitaxel. CDK4 siRNA was used to validate the outcome of targeting CDK4 by palbociclib in ovarian cancer cells. RESULTS We found that combinations of palbociclib and paclitaxel significantly enhanced drug sensitivity in both Rb-positive (SKOV3TR) and Rb-negative (OVCAR8TR) ovarian cancer-derived cells. When combined with paclitaxel, palbociclib induced apoptosis in both SKOV3TR and OVCAR8TR cells. We also found that palbociclib inhibited the activity of P-glycoprotein (Pgp), and that siRNA-mediated CDK4 knockdown sensitized multidrug resistant (MDR) SKOV3TR and OVCAR8TR cells to paclitaxel. CONCLUSIONS Inhibition of CDK4 by palbociclib can enhance paclitaxel sensitivity in both Rb-positive and Rb-negative MDR ovarian cancer cells by increasing apoptosis. CDK4 may serve as a promising target in the treatment of ovarian cancer.
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Affiliation(s)
- Yan Gao
- Department of Clinical Laboratory Diagnostics, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.,Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA
| | - Jacson Shen
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA
| | - Edwin Choy
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA
| | - Henry Mankin
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA
| | - Francis Hornicek
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA
| | - Zhenfeng Duan
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, 100 Blossom St, Jackson 1115, Boston, MA, 02114, USA.
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Pan B, Zhong W, Deng Z, Lai C, Chu J, Jiao G, Liu J, Zhou Q. Inhibition of prostate cancer growth by solanine requires the suppression of cell cycle proteins and the activation of ROS/P38 signaling pathway. Cancer Med 2016; 5:3214-3222. [PMID: 27726305 PMCID: PMC5119977 DOI: 10.1002/cam4.916] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 08/21/2016] [Accepted: 08/23/2016] [Indexed: 12/20/2022] Open
Abstract
Solanine, a naturally steroidal glycoalkaloid in nightshade (Solanum nigrum Linn.), can inhibit proliferation and induce apoptosis of tumor cells. However, the mechanism of solanine-suppressing prostate cancer cell growth remains to be elucidated. This study investigates the inhibition mechanism of solanine on cancer development in vivo and in cultured human prostate cancer cell DU145 in vitro. Results show that solanine injection significantly suppresses the tumor cell growth in xenograft athymic nude mice. Solanine regulates the protein levels of cell cycle proteins, including Cyclin D1, Cyclin E1, CDK2, CDK4, CDK6, and P21 in vivo and in vitro. Also, in cultured DU145 cell, solanine significantly inhibits cell growth. Moreover, the administration of NAC, an active oxygen scavenger, markedly reduces solanine-induced cell death. Blockade of P38 MAPK kinase cannot suppress reactive oxygen species (ROS), but can suppress solanine-induced cell apoptosis. Also, inhibition of ROS by NAC inactivates P38 pathway. Taken together, the data suggest that inhibition of prostate cancer growth by solanine may be through blocking the expression of cell cycle proteins and inducing apoptosis via ROS and activation of P38 pathway. These findings indicate an attractive therapeutic potential of solanine for suppression of prostate cancer.
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Affiliation(s)
- Bin Pan
- Department of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Weifeng Zhong
- Sun Yat-sen Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, China
| | - Zhihai Deng
- Department of Urology, Gao Zhou People's Hospital, Gaozhou, China
| | - Caiyong Lai
- Department of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Jing Chu
- Department of Urology, Zhuhai People's Hospital, Zhuhai, China
| | - Genlong Jiao
- Department of Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Junfeng Liu
- Department of Urology, Inner Mongolia People's Hospital, Hohhot, China
| | - Qizhao Zhou
- Department of Urology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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Abstract
INTRODUCTION Trabectedin (ET-743) is a synthetic marine derived alkylating agent, extracted originally from a Caribbean Sea sponge. It is approved for the treatment of Soft Tissue sarcomas (STS) in Europe and recently by the FDA for liposarcomas and leiomyosarcomas. AREAS COVERED Trabectedin has multiple mechanisms of action, including one targeting the FUS-CHOP oncogene in Myxoid/Round cell Liposarcomas. Numerous Phase I, II and III clinical trials have been conducted with Trabectedin. It has been studied as monotherapy or in combination with other chemotherapeutic agents. The recommended dose based on clinical trials is 1.5 milligrams/m(2) continuous infusion over 24 hours once every 3 weeks for STS with evidence of disease control in multiple clinical trials at this dose. The most common Grade 3/4 toxicities include neutropenia and transient noncumulative elevations of ALT and AST. Steroid pretreatment has shown efficacy in reducing liver and bone marrow toxicity. In phase III testing comparing trabectedin to dacarbazine, trabectedin was associated with a significantly improved progression free survival rate in patients with advanced lipo- and leiomyosarcomas. EXPERT OPINION Trabectedin is an important new addition to the limited treatment options currently available for STS, especially for patients with liposarcoma that have progressed on standard chemotherapeutic regimens.
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Affiliation(s)
- Ritika Zijoo
- a PGY-2 Resident, Department of Internal Medicine , Seton Hall University, Saint Francis Medical Center , Trenton , NJ , USA
| | - Margaret von Mehren
- b Department of Hematology and Medical Oncology , Fox Chase Cancer Center , Philadelphia , PA , USA
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27
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Liu X, Gao Y, Shen J, Yang W, Choy E, Mankin H, Hornicek FJ, Duan Z. Cyclin-Dependent Kinase 11 (CDK11) Is Required for Ovarian Cancer Cell Growth In Vitro and In Vivo, and Its Inhibition Causes Apoptosis and Sensitizes Cells to Paclitaxel. Mol Cancer Ther 2016; 15:1691-701. [PMID: 27207777 DOI: 10.1158/1535-7163.mct-16-0032] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 04/21/2016] [Indexed: 01/28/2023]
Abstract
Ovarian cancer is currently the most lethal gynecologic malignancy with limited treatment options. Improved targeted therapies are needed to combat ovarian cancer. Here, we report the identification of cyclin-dependent kinase 11 (CDK11) as a mediator of tumor cell growth and proliferation in ovarian cancer cells. Although CDK11 has not been implicated previously in this disease, we have found that its expression is upregulated in human ovarian cancer tissues and associated with malignant progression. Metastatic and recurrent tumors have significantly higher CDK11 expression when compared with the matched, original primary tumors. RNAi-mediated CDK11 silencing by synthetic siRNA or lentiviral shRNA decreased cell proliferation and induced apoptosis in ovarian cancer cells. Moreover, CDK11 knockdown enhances the cytotoxic effect of paclitaxel to inhibit cell growth in ovarian cancer cells. Systemic in vivo administration of CDK11 siRNA reduced the tumor growth in an ovarian cancer xenograft model. Our findings suggest that CDK11 may be a promising therapeutic target for the treatment of ovarian cancer patients. Mol Cancer Ther; 15(7); 1691-701. ©2016 AACR.
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Affiliation(s)
- Xianzhe Liu
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts. Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Gao
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Jacson Shen
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Wen Yang
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts. Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Edwin Choy
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Henry Mankin
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Francis J Hornicek
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Zhenfeng Duan
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
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Ehab M, Elbaz M. Profile of palbociclib in the treatment of metastatic breast cancer. BREAST CANCER-TARGETS AND THERAPY 2016; 8:83-91. [PMID: 27274308 PMCID: PMC4876680 DOI: 10.2147/bctt.s83146] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Breast cancer is the most common cancer diagnosed in women. Each year, thousands die either because of disease progression or failure of treatment. Breast cancer is classified into different subtypes based on the molecular expression of estrogen receptor (ER), progesterone receptor, and/or human epidermal growth factor receptor 2 (HER2). These receptors represent important therapeutic targets either through monoclonal antibodies or through small-molecule inhibitors directed toward them. However, up to 40% of patients develop either a primary or a secondary resistance to the current treatments. Therefore, there is an urgent need for investigating new targets in order to overcome the resistance and/or enhance the current therapies. Cell cycle is altered in many human cancers, especially in breast cancer. Cyclin-dependent kinases (CDKs), especially CDK4 and CDK6, play a pivotal role in cell cycle progression that makes them potential targets for new promising therapies. CDK inhibition has shown strong antitumor activities, ranging from cytostatic antiproliferative effects to synergistic effects in combination with other antitumor drugs. In order to overcome the drawbacks of the first-generation CDK inhibitors, recently, new CDK inhibitors have emerged that are more selective to CDK4 and CDK6 such as palbociclib, which is the most advanced CDK4/6 inhibitor in trials. In preclinical studies, palbociclib has shown a very promising antitumor activity, especially against ERα+ breast cancer subtype. Palbociclib has gained world attention, and US the Food and Drug Administration has accelerated its approval for first-line treatment in combination with letrozole for the first-line systematic treatment of postmenopausal women with ERα+/HER2− locally advanced or metastatic breast cancer. In this review, we discuss the potential role of CDK inhibition in breast cancer treatment, and focus on palbociclib progress from preclinical studies to clinical trials with mentioning the most recent ongoing as well as planned Phase II and Phase III trials of palbociclib in advanced breast cancer.
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Affiliation(s)
- Moataz Ehab
- Department of Pharmacy Practice, Helwan University, Egypt
| | - Mohamad Elbaz
- Department of Pharmacology, Pharmacy School, Helwan University, Egypt; Department of Pathology, The Comprehensive Cancer Center, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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