1
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Duan C, Li K, Pan X, Wei Z, Xiao L. Hsp90 is a potential risk factor for ovarian cancer prognosis: an evidence of a Chinese clinical center. BMC Cancer 2023; 23:489. [PMID: 37259027 DOI: 10.1186/s12885-023-10929-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 05/07/2023] [Indexed: 06/02/2023] Open
Abstract
BACKGROUND The potential treatment effects of heat shock protein 90 (Hsp90) inhibitors in ovarian cancer (OC) are controversial. This research aims to investigate the relationship between the level of Hsp90 in peripheral blood and the prognosis of OC patients, as well as the clinicopathological indicators. MATERIALS AND METHODS We retrospectively collected the clinicopathological indicators of OC patients who were admitted to the Department of Obstetrics and Gynecology of the First Affiliated Hospital of Anhui Medical University from 2017 to 2022. Hsp90 level in patient blood was detected by enzyme-linked immunosorbent assay, and the correlation between Hsp90 level and OC prognosis was systematically investigated. Kaplan-Meier method was used to draw the survival curve, and the average survival time and survival rate were calculated. The log-rank test and Cox model were used for univariate survival analysis, and the Cox proportional hazards model was applied for multivariate survival analysis. Based on the TCGA dataset of OC obtained by cBioPortal, Pearson's correlation coefficients between Hsp90 level values and other mRNA expression values were calculated to further conduct bioinformatics analysis. GSEA and GSVA analysis were also conducted for gene functional enrichment. The expression of Hsp90 in OC tissues were evaluated and compared by Immunohistochemical staining. RESULTS According to the established screening criteria, 106 patients were selected. The enzyme-linked immunosorbent assay results showed that 50.94% OC patients with abnormal Hsp90 level. According to the outcome of Kaplan-Meier curves, the results revealed that the abnormal level of Hsp90 was suggested to poor prognosis (P = 0.001) of OC patients. Furthermore, the result of multivariate Cox proportional hazards regression model analysis also predicted that abnormal Hsp90 level (HR = 2.838, 95%CI = 1.139-7.069, P = 0.025) was linked to poor prognosis, which could be an independent prognostic factor for the prognosis of OC patients. Moreover, top 100 genes screened by Pearson's value associated with Hsp90, indicating that Hsp90 participated in the regulation of ATF5 target genes, PRAGC1A target genes and BANP target genes and also enriched in the metabolic processes of cell response to DNA damage stimulus, response to heat and protein folding. CONCLUSION Hsp90 level is positively associated with OC mortality and is a potential prognostic indicator of OC.
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Affiliation(s)
- Cancan Duan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218Th Jixi Road, Hefei, 230022, P.R. China
| | - KuoKuo Li
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218Th Jixi Road, Hefei, 230022, P.R. China
- NHC Key Laboratory of Study On Abnormal Gametes and Reproductive Tract (Anhui Medical University), Hefei, China
| | - Xiaohua Pan
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218Th Jixi Road, Hefei, 230022, P.R. China
| | - Zhaolian Wei
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218Th Jixi Road, Hefei, 230022, P.R. China.
| | - Lan Xiao
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Anhui Medical University, 218Th Jixi Road, Hefei, 230022, P.R. China.
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2
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Sun H, Liu J, Hu F, Xu M, Leng A, Jiang F, Chen K. Current research and management of undifferentiated pleomorphic sarcoma/myofibrosarcoma. Front Genet 2023; 14:1109491. [PMID: 36873946 PMCID: PMC9978151 DOI: 10.3389/fgene.2023.1109491] [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: 11/27/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
Undifferentiated pleomorphic sarcoma (UPS), once termed as malignant fibrous histiocytoma, has always been diagnosed exclusively in clinical practice because it lacks any defined resemblance to normal mesenchymal tissue. Although myxofibrosarcoma (MFS) has been separated from UPS due to its fibroblastic differentiation with myxoid stroma, UPS and MFS are still identified as a sarcoma group in terms of molecular landscapes. In this review article, we will describe the associated genes and signaling pathways involved in the process of sarcoma genesis and make a summary of conventional management, targeted therapy, immunotherapy, and some novel potential treatments of UPS/MFS. With the progressive advancements in medical technology and a better understanding about the pathogenic mechanism of UPS/MFS in the coming decades, new lights will be shed on the successful management of UPS/MFS.
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Affiliation(s)
- Haitao Sun
- Department of Spine Surgery, Naval Hospital of Eastern Theater Command, Zhoushan, China
| | - Jilu Liu
- Department of Spine Surgery, Naval Hospital of Eastern Theater Command, Zhoushan, China
| | - Fangyuan Hu
- Department of Spine Surgery, Naval Hospital of Eastern Theater Command, Zhoushan, China
| | - Meng Xu
- Department of Spine Surgery, Naval Hospital of Eastern Theater Command, Zhoushan, China
| | - Ao Leng
- Department of Orthopaedics, General Hospital of Northern Theater Command, Shenyang, China
| | - Feng Jiang
- Department of Neonatology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Kefu Chen
- The No.988th hospital of Joint Logistic Support Force of PLA, Zhengzhou, China.,Institute of Neuroscience, Key Laboratory of Molecular Neurobiology of Ministry of Education and the Collaborative Innovation Center for Brain Science, Naval Medical University, Shanghai, China
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3
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Biondini M, Kiepas A, El-Houjeiri L, Annis MG, Hsu BE, Fortier AM, Morin G, Martina JA, Sirois I, Aguilar-Mahecha A, Gruosso T, McGuirk S, Rose AAN, Tokat UM, Johnson RM, Sahin O, Bareke E, St-Pierre J, Park M, Basik M, Majewski J, Puertollano R, Pause A, Huang S, Keler T, Siegel PM. HSP90 inhibitors induce GPNMB cell-surface expression by modulating lysosomal positioning and sensitize breast cancer cells to glembatumumab vedotin. Oncogene 2022; 41:1701-1717. [PMID: 35110681 DOI: 10.1038/s41388-022-02206-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/29/2021] [Accepted: 01/20/2022] [Indexed: 12/18/2022]
Abstract
Transmembrane glycoprotein NMB (GPNMB) is a prognostic marker of poor outcome in patients with triple-negative breast cancer (TNBC). Glembatumumab Vedotin, an antibody drug conjugate targeting GPNMB, exhibits variable efficacy against GPNMB-positive metastatic TNBC as a single agent. We show that GPNMB levels increase in response to standard-of-care and experimental therapies for multiple breast cancer subtypes. While these therapeutic stressors induce GPNMB expression through differential engagement of the MiTF family of transcription factors, not all are capable of increasing GPNMB cell-surface localization required for Glembatumumab Vedotin inhibition. Using a FACS-based genetic screen, we discovered that suppression of heat shock protein 90 (HSP90) concomitantly increases GPNMB expression and cell-surface localization. Mechanistically, HSP90 inhibition resulted in lysosomal dispersion towards the cell periphery and fusion with the plasma membrane, which delivers GPNMB to the cell surface. Finally, treatment with HSP90 inhibitors sensitizes breast cancers to Glembatumumab Vedotin in vivo, suggesting that combination of HSP90 inhibitors and Glembatumumab Vedotin may be a viable treatment strategy for patients with metastatic TNBC.
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Affiliation(s)
- Marco Biondini
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Medicine, McGill University, Montreal, QC, Canada
| | - Alex Kiepas
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Physiology, McGill University, Montreal, QC, Canada
| | - Leeanna El-Houjeiri
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Matthew G Annis
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Medicine, McGill University, Montreal, QC, Canada
| | - Brian E Hsu
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Medicine, McGill University, Montreal, QC, Canada
| | - Anne-Marie Fortier
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Geneviève Morin
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - José A Martina
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Isabelle Sirois
- Segal Cancer Center, Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, Montreal, QC, Canada
| | - Adriana Aguilar-Mahecha
- Segal Cancer Center, Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, Montreal, QC, Canada
| | - Tina Gruosso
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Shawn McGuirk
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Physiology, McGill University, Montreal, QC, Canada
| | - April A N Rose
- Department of Oncology and Surgery, McGill University, Montreal, QC, Canada
| | - Unal M Tokat
- Department of Molecular Biology and Genetics, Bilkent University, Ankara, Turkey
| | | | - Ozgur Sahin
- Department of Drug Discovery and Biomedical Sciences, University of South Carolina, Columbia, SC, USA
| | - Eric Bareke
- Genome Québec Innovation Center, McGill University, Montreal, QC, Canada.,Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Julie St-Pierre
- Department of Biochemistry, Microbiology and Immunology and Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, Canada
| | - Morag Park
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Medicine, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Mark Basik
- Segal Cancer Center, Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, Montreal, QC, Canada.,Department of Oncology and Surgery, McGill University, Montreal, QC, Canada
| | - Jacek Majewski
- Genome Québec Innovation Center, McGill University, Montreal, QC, Canada.,Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Rosa Puertollano
- Cell and Developmental Biology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD, USA
| | - Arnim Pause
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Medicine, McGill University, Montreal, QC, Canada
| | - Sidong Huang
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada.,Department of Biochemistry, McGill University, Montreal, QC, Canada
| | | | - Peter M Siegel
- Goodman Cancer Research Institute, McGill University, Montreal, QC, Canada. .,Department of Medicine, McGill University, Montreal, QC, Canada. .,Department of Biochemistry, McGill University, Montreal, QC, Canada.
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4
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Piven YA, Yastrebova MA, Khamidullina AI, Scherbakov AM, Tatarskiy VV, Rusanova JA, Baranovsky AV, Zinovich VG, Khlebnicova TS, Lakhvich FA. Novel O-acylated (E)-3-aryl-6,7-dihydrobenzisoxazol-4(5H)-one oximes targeting HSP90-HER2 axis in breast cancer cells. Bioorg Med Chem 2022; 53:116521. [PMID: 34844036 DOI: 10.1016/j.bmc.2021.116521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 01/04/2023]
Abstract
Novel O-acylated (E)-3-aryl-6,7-dihydrobenzisoxazol-4(5H)-one oximes were designed as potential HSP90 inhibitors. A series of the compounds was synthesized by oximation of (E)-3-aryl-6,7-dihydrobenzisoxazol-4(5H)-ones followed by O-acylation with acylamidobenzoic acids. The obtained compounds showed an antiproliferative effect on three breast cancer cell lines (MCF7, MDA-MB-231 and HCC1954). Compound 16s exhibited high antiproliferative potency against HCC1954 breast cancer cells with the IC50 value of 6 µM was selected for in-depth evaluation. Compound 16s did not inhibit the growth of normal epithelial cells. We have demonstrated that the compound 16s can induce apoptosis in cancer cells via inhibition of HSP90 "client" proteins including a key oncogenic receptor, HER2/neu. Described here compounds can be considered for further basic and preclinical investigation as a part of HSP90/HER2-targeted therapies.
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Affiliation(s)
- Yuri A Piven
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Akad. Kuprevicha st. 5/2, Minsk 220141, Belarus
| | - Margarita A Yastrebova
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, Vavilova st. 34/5, Moscow 119334, Russian Federation
| | - Alvina I Khamidullina
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, Vavilova st. 34/5, Moscow 119334, Russian Federation
| | - Alexander M Scherbakov
- Department of Experimental Tumor Biology, Blokhin N.N. National Medical Research Center of Oncology, Kashirskoye sh. 24, Moscow 115522, Russian Federation
| | - Victor V Tatarskiy
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, Vavilova st. 34/5, Moscow 119334, Russian Federation
| | - Julia A Rusanova
- Taras Shevchenko National University of Kyiv, 64/13, Volodymyrska str., Kyiv 01601, Ukraine
| | - Alexander V Baranovsky
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Akad. Kuprevicha st. 5/2, Minsk 220141, Belarus
| | - Veronica G Zinovich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Akad. Kuprevicha st. 5/2, Minsk 220141, Belarus
| | - Tatyana S Khlebnicova
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Akad. Kuprevicha st. 5/2, Minsk 220141, Belarus
| | - Fedor A Lakhvich
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, Akad. Kuprevicha st. 5/2, Minsk 220141, Belarus
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5
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Synoradzki KJ, Bartnik E, Czarnecka AM, Fiedorowicz M, Firlej W, Brodziak A, Stasinska A, Rutkowski P, Grieb P. TP53 in Biology and Treatment of Osteosarcoma. Cancers (Basel) 2021; 13:4284. [PMID: 34503094 PMCID: PMC8428337 DOI: 10.3390/cancers13174284] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/12/2022] Open
Abstract
The TP53 gene is mutated in 50% of human tumors. Oncogenic functions of mutant TP53 maintain tumor cell proliferation and tumor growth also in osteosarcomas. We collected data on TP53 mutations in patients to indicate which are more common and describe their role in in vitro and animal models. We also describe animal models with TP53 dysfunction, which provide a good platform for testing the potential therapeutic approaches. Finally, we have indicated a whole range of pharmacological compounds that modulate the action of p53, stabilize its mutated versions or lead to its degradation, cause silencing or, on the contrary, induce the expression of its functional version in genetic therapy. Although many of the described therapies are at the preclinical testing stage, they offer hope for a change in the approach to osteosarcoma treatment based on TP53 targeting in the future.
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Affiliation(s)
- Kamil Jozef Synoradzki
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
| | - Ewa Bartnik
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, 02-106 Warsaw, Poland;
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
| | - Anna M. Czarnecka
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
| | - Michał Fiedorowicz
- Small Animal Magnetic Resonance Imaging Laboratory, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland;
| | - Wiktoria Firlej
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
- Faculty of Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Anna Brodziak
- Laboratory of Centre for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, 02-097 Warsaw, Poland;
- Department of Oncology and Radiotherapy, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland
| | - Agnieszka Stasinska
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
| | - Piotr Rutkowski
- Department of Soft Tissue, Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, 02-781 Warsaw, Poland; (W.F.); (P.R.)
| | - Paweł Grieb
- Department of Experimental Pharmacology, Mossakowski Medical Research Institute, Polish Academy of Sciences, 02-106 Warsaw, Poland; (A.M.C.); (A.S.); (P.G.)
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6
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Transcriptomic analysis reveals that heat shock protein 90α is a potential diagnostic and prognostic biomarker for cancer. Eur J Cancer Prev 2021; 29:357-364. [PMID: 31567483 DOI: 10.1097/cej.0000000000000549] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The molecular chaperone heat shock protein 90 (Hsp90) is highly expressed in tumor tissue according to many studies. However, there is no large-scale study investigating the expression of Hsp90 in pan-cancer so far, and the molecular mechanisms leading to aberrant Hsp90 expression are also largely unknown. To address these questions, we performed an in silico analysis of Hsp90 expression using mRNA sequencing data from The Cancer Genome Atlas study. The results were further validated using independent datasets. We found that the expression of HSP90AA1, a subtype of Hsp90, was much higher in hepatocellular carcinoma than in adjacent normal liver tissue. A large cancer panel with eight more cancer types revealed a similar trend except for prostate cancer, which had low HSP90AA1 expression in tumor tissue. Heat shock factor 1 followed a similar trend as HSP90AA1, with higher expression in cancer. HSP90AA1 expression was closely related to its copy numbers. Deletion of the HSP90AA1 locus in a subset of hepatocellular carcinoma led to low HSP90AA1 expression. In addition, higher HSP90AA1 expression was associated with poorer prognosis in hepatocellular carcinoma patients. In a multivariable analysis including tumor, node and metastasis stage, HSP90AA1 expression remained a negative prognostic factor, suggesting that the effect of HSP90AA1 was independent of tumor stage. In conclusion, we demonstrated that high HSP90AA1 expression was ubiquitous in cancer and that HSP90AA1 was a potential diagnostic and prognostic biomarker for hepatocellular carcinoma.
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7
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Mallik S, Bandyopadhyay S. WeCoMXP: Weighted Connectivity Measure Integrating Co-Methylation, Co-Expression and Protein-Protein Interactions for Gene-Module Detection. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2020; 17:690-703. [PMID: 30183644 DOI: 10.1109/tcbb.2018.2868348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The identification of modules (groups of several tightly interconnected genes) in gene interaction network is an essential task for better understanding of the architecture of the whole network. In this article, we develop a novel weighted connectivity measure integrating co-methylation, co-expression, and protein-protein interactions (called WeCoMXP) to detect gene-modules for multi-omics dataset. The proposed measure goes beyond the fundamental degree centrality measure through considering some formulation of higher-order connections. Thereafter, we apply the average linkage clustering method using the corresponding dissimilarity (distance) values of WeCoMXP scores, and utilize a dynamic tree cut method for identifying some gene-modules. We validate the modules through literature search, KEGG pathway, and gene-ontology analyses on the genes representing the modules. Furthermore, the top 10 TFs/miRNAs that are connected with the maximum number of gene-modules and that regulate/target the maximum number of genes from these connected gene-modules, are identified. Moreover, our proposed method provides a better performance than the existing methods in terms of several cluster-validity indices in maximum times.
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8
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Wu J, Li L, Wang Y, Ren X, Lin K, He Y. The HSP90/Akt pathway may mediate artemether-induced apoptosis of Cal27 cells. FEBS Open Bio 2019; 9:1726-1733. [PMID: 31376209 PMCID: PMC6768108 DOI: 10.1002/2211-5463.12711] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 07/09/2019] [Accepted: 08/02/2019] [Indexed: 12/31/2022] Open
Abstract
Tongue squamous cell carcinoma is the most common malignant tumor in oral and maxillofacial regions. Recent research has found that artemether can inhibit growth and induce apoptosis of cancer cells, although the mechanism is not clear. The present study aimed to explore the correlation between the HSP90/Akt pathway and artemether‐induced apoptosis of Cal27 cells. A cell counting kit‐8 and flow cytometry were used to detect the proliferation and apoptosis of Cal27 cells, respectively, mRNA expression was examined by quantitative RT‐PCR, and protein expression was detected by western blotting. Our data revealed that artemether can inhibit growth and induce apoptosis of Cal27 cells. As the artemether concentration was increased, we observed downregulation of the expression of HSP90, p‐Akt and p‐mTOR in Cal27 cells, whereas the expression of Akt was not significantly changed. We also observed a time‐dependent decrease in the expression of HSP90, p‐Akt and p‐mTOR during exposure to 0.1 mg·mL−1 artemether. In conclusion, the HSP90/Akt pathway may be involved in artemether‐induced apoptosis of Cal27 cells.
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Affiliation(s)
- Jianhua Wu
- Department of Periodontology, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, China
| | - Lei Li
- Department of Head and Neck Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yiting Wang
- Department of Oral and Maxillofacial Surgery, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, China
| | - Xiaobin Ren
- Department of Periodontology, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, China
| | - Ken Lin
- Department of Otolaryngology, Head and Neck Surgery, Kunming Children's Hospital, Kunming, China
| | - Yongwen He
- Department of Dental Research, The Affiliated Stomatological Hospital of Kunming Medical University, Kunming, China
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9
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Spleen Tyrosine Kinase Inhibitor TAK-659 Prevents Splenomegaly and Tumor Development in a Murine Model of Epstein-Barr Virus-Associated Lymphoma. mSphere 2018; 3:3/4/e00378-18. [PMID: 30135222 PMCID: PMC6106053 DOI: 10.1128/mspheredirect.00378-18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The novel SYK and FLT3 inhibitor TAK-659 prevents the enlargement of spleen and tumor development in a mouse model of EBV-associated lymphoma by counteracting the activation of cellular kinase SYK through the viral LMP2A gene by inducing cell death in tumor cells but not in nontumor cells. These findings indicate that TAK-659 may be a very effective nontoxic therapeutic molecule especially for EBV-positive hematologic malignancies. Epstein-Barr virus (EBV) is associated with several B and epithelial cell cancers. EBV-encoded latent membrane protein 2A (LMP2A) contributes to cellular transformation by mimicking B cell receptor signaling. LMP2A/MYC double transgenic mice develop splenomegaly and B cell lymphoma much faster than MYC transgenic mice do. In this study, we explored the potential therapeutic efficacy of a novel spleen tyrosine kinase (SYK) and FLT3 inhibitor TAK-659 for development of a treatment option for EBV-associated malignancies. In our transgenic model, TAK-659 treatment totally abrogated splenomegaly and tumor development in LMP2A/MYC mice in both pretumor and tumor cell transfer experiments. TAK-659 treatment killed tumor cells, but not host cells within the spleen and tumors. Furthermore, TAK-659 treatment abrogated metastasis of tumor cells into bone marrow. Our data also show that TAK-659 inhibits SYK phosphorylation and induces apoptosis in LMP2A/MYC tumor cells at low nanomolar concentrations. Therefore, TAK-659 may provide an effective therapeutic option for treatment of LMP2A-positive EBV-associated malignancies and should be explored further in clinical trials. IMPORTANCE The novel SYK and FLT3 inhibitor TAK-659 prevents the enlargement of spleen and tumor development in a mouse model of EBV-associated lymphoma by counteracting the activation of cellular kinase SYK through the viral LMP2A gene by inducing cell death in tumor cells but not in nontumor cells. These findings indicate that TAK-659 may be a very effective nontoxic therapeutic molecule especially for EBV-positive hematologic malignancies.
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10
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Dancsok AR, Asleh-Aburaya K, Nielsen TO. Advances in sarcoma diagnostics and treatment. Oncotarget 2018; 8:7068-7093. [PMID: 27732970 PMCID: PMC5351692 DOI: 10.18632/oncotarget.12548] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 09/29/2016] [Indexed: 01/06/2023] Open
Abstract
The heterogeneity of sarcomas with regard to molecular genesis, histology, clinical characteristics, and response to treatment makes management of these rare yet diverse neoplasms particularly challenging. This review encompasses recent developments in sarcoma diagnostics and treatment, including cytotoxic, targeted, epigenetic, and immune therapy agents. In the past year, groups internationally explored the impact of adding mandatory molecular testing to histological diagnosis, reporting some changes in diagnosis and/or management; however, the impact on outcomes could not be adequately assessed. Transcriptome sequencing techniques have brought forward new diagnostic tools for identifying fusions and/or characterizing unclassified entities. Next-generation sequencing and advanced molecular techniques were also applied to identify potential targets for directed and epigenetic therapy, where preclinical studies reported results for agents active within the receptor tyrosine kinase, mTOR, Notch, Wnt, Hedgehog, Hsp90, and MDM2 signaling networks. At the level of clinical practice, modest developments were seen for some sarcoma subtypes in conventional chemotherapy and in therapies targeting the pathways activated by various receptor tyrosine kinases. In the burgeoning field of immune therapy, sarcoma work is in its infancy; however, elaborate protocols for immune stimulation are being explored, and checkpoint blockade agents advance from preclinical models to clinical studies.
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Affiliation(s)
- Amanda R Dancsok
- Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Karama Asleh-Aburaya
- Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Torsten O Nielsen
- Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada.,Sarcoma Disease Site Committee, Canadian Cancer Trials Group
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11
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Sun Y, Huang YH, Huang FY, Mei WL, Liu Q, Wang CC, Lin YY, Huang C, Li YN, Dai HF, Tan GH. 3'-epi-12β-hydroxyfroside, a new cardenolide, induces cytoprotective autophagy via blocking the Hsp90/Akt/mTOR axis in lung cancer cells. Am J Cancer Res 2018; 8:2044-2060. [PMID: 29556372 PMCID: PMC5858516 DOI: 10.7150/thno.23304] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 01/19/2018] [Indexed: 02/05/2023] Open
Abstract
Rationale: Cardenolides have potential as anticancer drugs. 3′-epi-12β-hydroxyfroside (HyFS) is a new cardenolide structure isolated by our research group, but its molecular mechanisms remain poorly understood. This study investigates the relationship between its antitumor activities and autophagy in lung cancer cells. Methods: Cell growth and proliferation were detected by MTT, lactate dehydrogenase (LDH) release, 5-ethynyl-20-deoxyuridine (EDU) and colony formation assays. Cell apoptosis was detected by flow cytometry. Autophagic and signal proteins were detected by Western blotting. Markers of autophagy and autophagy flux were also detected by immunofluorescence, transmission electron microscopy and acridine orange staining. Real time RT-PCR was used to analyze the gene expression of Hsp90. Hsp90 ubiquitination was detected by coimmunoprecipitation. The antitumore activities of HyFS were observed in nude mice. Results: HyFS treatment inhibited cell proliferation and induced autophagy in A549 and H460 lung cancer cells, but stronger inhibition of cell proliferation and induction of cell apoptosis were shown when HyFS-mediated autophagy was blocked. The Hsp90/Akt/mTOR axis was found to be involved in the activation of HyFS-mediated autophagy. Evidence of direct interaction between Hsp90 and Akt was observed. HyFS treatment resulted in decreased levels of heat shock protein 90 (Hsp90) and phosphorylated Akt, overexpression of Hsp90 increased activation of autophagy, and inhibition of Hsp90 expression decreased autophagy. In addition, ubiquitin-mediated degradation of Hsp90 and subsequent dephosphorylation of its client protein Akt were also found in HyFS-treated lung cancer cells. Moreover, combination treatment with HyFS and chloroquine showed remarkably increased tumor inhibition in both A549- and H460-bearing mice. Conclusion: Our results demonstrate that HyFS induced cytoprotective autophagy through ubiquitin-mediated degradation of Hsp90, which further blocked the Akt/mTOR pathway in lung cancer cells. Thus, a combination of a HyFS-like cardenolide and an autophagic inhibitor is a potential alternative approach for the treatment of lung cancer.
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Figueiredo SA, Salvador JA, Cortés R, Cascante M. Novel celastrol derivatives with improved selectivity and enhanced antitumour activity: Design, synthesis and biological evaluation. Eur J Med Chem 2017; 138:422-437. [DOI: 10.1016/j.ejmech.2017.06.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/14/2017] [Accepted: 06/15/2017] [Indexed: 12/22/2022]
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Oda Y, Yamamoto H, Kohashi K, Yamada Y, Iura K, Ishii T, Maekawa A, Bekki H. Soft tissue sarcomas: From a morphological to a molecular biological approach. Pathol Int 2017; 67:435-446. [DOI: 10.1111/pin.12565] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 07/05/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Yoshinao Oda
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Hidetaka Yamamoto
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Kenichi Kohashi
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Yuichi Yamada
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Kunio Iura
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Takeaki Ishii
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Akira Maekawa
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Hirofumi Bekki
- Department of Anatomic Pathology; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of Orthopedic Surgery; Graduate School of Medical Sciences; Kyushu University; 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
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Comparison between retroperitoneal leiomyosarcoma and dedifferentiated liposarcoma. Pathol Res Pract 2017; 213:634-638. [PMID: 28552535 DOI: 10.1016/j.prp.2017.04.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 03/29/2017] [Accepted: 04/20/2017] [Indexed: 11/23/2022]
Abstract
It is important to distinguish between leiomyosarcoma (LMS) and dedifferentiated liposarcoma (DDLS) in the retroperitoneum. The dedifferentiated component of DDLS shows an LMS-like morphology in some cases; thus, detailed evaluation is necessary to achieve an accurate diagnosis. Immunohistochemically, MDM2 and myogenic markers provide clues for the diagnoses. However, immunoreactivity for MDM2 and myogenic markers has not been well studied in retroperitoneal LMS and DDLS. Here, we compared the clinicopathological data of 20 retroperitoneal tumors initially diagnosed as LMS with that of 36 cases of retroperitoneal DDLS and conducted an immunohistochemical study. Four (20%) of the cases initially diagnosed as LMS were immunoreactive for MDM2. Fifteen cases (41.7%) of DDLS showed positive expression of two or more myogenic markers. The patients with LMS with MDM2 overexpression were older than the patients with LMS without MDM2 overexpression (P=0.0328). LMS with MDM2 overexpression showed a worse prognosis than DDLS (P=0.0408). No significant difference in prognosis was found between LMS without MDM2 overexpression and DDLS with myogenic differentiation. In conclusion, we recommend that systemic MDM2 expression analysis be performed in cases of retroperitoneal sarcoma. Overdependence on the expression of myogenic markers could lead to misdiagnosis in distinguishing LMS from DDLS.
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