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Giriyappagoudar M, Vastrad B, Horakeri R, Vastrad C. Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis. Biomedicines 2023; 11:3109. [PMID: 38137330 PMCID: PMC10740779 DOI: 10.3390/biomedicines11123109] [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: 09/23/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 12/24/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with reduced quality of life and earlier mortality, but its pathogenesis and key genes are still unclear. In this investigation, bioinformatics was used to deeply analyze the pathogenesis of IPF and related key genes, so as to investigate the potential molecular pathogenesis of IPF and provide guidance for clinical treatment. Next-generation sequencing dataset GSE213001 was obtained from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified between IPF and normal control group. The DEGs between IPF and normal control group were screened with the DESeq2 package of R language. The Gene Ontology (GO) and REACTOME pathway enrichment analyses of the DEGs were performed. Using the g:Profiler, the function and pathway enrichment analyses of DEGs were performed. Then, a protein-protein interaction (PPI) network was constructed via the Integrated Interactions Database (IID) database. Cytoscape with Network Analyzer was used to identify the hub genes. miRNet and NetworkAnalyst databaseswereused to construct the targeted microRNAs (miRNAs), transcription factors (TFs), and small drug molecules. Finally, receiver operating characteristic (ROC) curve analysis was used to validate the hub genes. A total of 958 DEGs were screened out in this study, including 479 up regulated genes and 479 down regulated genes. Most of the DEGs were significantly enriched in response to stimulus, GPCR ligand binding, microtubule-based process, and defective GALNT3 causes HFTC. In combination with the results of the PPI network, miRNA-hub gene regulatory network and TF-hub gene regulatory network, hub genes including LRRK2, BMI1, EBP, MNDA, KBTBD7, KRT15, OTX1, TEKT4, SPAG8, and EFHC2 were selected. Cyclothiazide and rotigotinethe are predicted small drug molecules for IPF treatment. Our findings will contribute to identification of potential biomarkers and novel strategies for the treatment of IPF, and provide a novel strategy for clinical therapy.
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Affiliation(s)
- Muttanagouda Giriyappagoudar
- Department of Radiation Oncology, Karnataka Institute of Medical Sciences (KIMS), Hubballi 580022, Karnataka, India;
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry, K.L.E. Socitey’s College of Pharmacy, Gadag 582101, Karnataka, India;
| | - Rajeshwari Horakeri
- Department of Computer Science, Govt First Grade College, Hubballi 580032, Karnataka, India;
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India
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2
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Zaarour RF, Ribeiro M, Azzarone B, Kapoor S, Chouaib S. Tumor microenvironment-induced tumor cell plasticity: relationship with hypoxic stress and impact on tumor resistance. Front Oncol 2023; 13:1222575. [PMID: 37886168 PMCID: PMC10598765 DOI: 10.3389/fonc.2023.1222575] [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: 05/14/2023] [Accepted: 09/27/2023] [Indexed: 10/28/2023] Open
Abstract
The role of tumor interaction with stromal components during carcinogenesis is crucial for the design of efficient cancer treatment approaches. It is widely admitted that tumor hypoxic stress is associated with tumor aggressiveness and thus impacts susceptibility and resistance to different types of treatments. Notable biological processes that hypoxia functions in include its regulation of tumor heterogeneity and plasticity. While hypoxia has been reported as a major player in tumor survival and dissemination regulation, the significance of hypoxia inducible factors in cancer stem cell development remains poorly understood. Several reports indicate that the emergence of cancer stem cells in addition to their phenotype and function within a hypoxic tumor microenvironment impacts cancer progression. In this respect, evidence showed that cancer stem cells are key elements of intratumoral heterogeneity and more importantly are responsible for tumor relapse and escape to treatments. This paper briefly reviews our current knowledge of the interaction between tumor hypoxic stress and its role in stemness acquisition and maintenance. Our review extensively covers the influence of hypoxia on the formation and maintenance of cancer stem cells and discusses the potential of targeting hypoxia-induced alterations in the expression and function of the so far known stem cell markers in cancer therapy approaches. We believe that a better and integrated understanding of the effect of hypoxia on stemness during carcinogenesis might lead to new strategies for exploiting hypoxia-associated pathways and their targeting in the clinical setting in order to overcome resistance mechanisms. More importantly, at the present time, efforts are oriented towards the design of innovative therapeutical approaches that specifically target cancer stem cells.
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Affiliation(s)
- RF. Zaarour
- Thumbay Research Institute for Precision Medicine, Gulf Medical University, Ajman, United Arab Emirates
| | - M. Ribeiro
- Thumbay Research Institute for Precision Medicine, Gulf Medical University, Ajman, United Arab Emirates
| | - B. Azzarone
- Tumor Immunology Unit, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - S. Kapoor
- Thumbay Research Institute for Precision Medicine, Gulf Medical University, Ajman, United Arab Emirates
| | - S. Chouaib
- Thumbay Research Institute for Precision Medicine, Gulf Medical University, Ajman, United Arab Emirates
- INSERM UMR 1186, Integrative Tumor Immunology and Immunotherapy, Gustave Roussy, Faculty of Medicine, University Paris-Saclay, Villejuif, France
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3
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Borlongan MC, Wang H. Profiling and targeting cancer stem cell signaling pathways for cancer therapeutics. Front Cell Dev Biol 2023; 11:1125174. [PMID: 37305676 PMCID: PMC10247984 DOI: 10.3389/fcell.2023.1125174] [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: 12/16/2022] [Accepted: 05/15/2023] [Indexed: 06/13/2023] Open
Abstract
Tumorigenic cancer stem cells (CSCs) represent a subpopulation of cells within the tumor that express genetic and phenotypic profiles and signaling pathways distinct from the other tumor cells. CSCs have eluded many conventional anti-oncogenic treatments, resulting in metastases and relapses of cancers. Effectively targeting CSCs' unique self-renewal and differentiation properties would be a breakthrough in cancer therapy. A better characterization of the CSCs' unique signaling mechanisms will improve our understanding of the pathology and treatment of cancer. In this paper, we will discuss CSC origin, followed by an in-depth review of CSC-associated signaling pathways. Particular emphasis is given on CSC signaling pathways' ligand-receptor engagement, upstream and downstream mechanisms, and associated genes, and molecules. Signaling pathways associated with regulation of CSC development stand as potential targets of CSC therapy, which include Wnt, TGFβ (transforming growth factor-β)/SMAD, Notch, JAK-STAT (Janus kinase-signal transducers and activators of transcription), Hedgehog (Hh), and vascular endothelial growth factor (VEGF). Lastly, we will also discuss milestone discoveries in CSC-based therapies, including pre-clinical and clinical studies featuring novel CSC signaling pathway cancer therapeutics. This review aims at generating innovative views on CSCs toward a better understanding of cancer pathology and treatment.
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Affiliation(s)
- Mia C. Borlongan
- Master Program of Pharmaceutical Science College of Graduate Studies, Elk Grove, CA, United States
| | - Hongbin Wang
- Master Program of Pharmaceutical Science College of Graduate Studies, Elk Grove, CA, United States
- Department of Pharmaceutical and Biomedical Sciences College of Pharmacy, Elk Grove, CA, United States
- Department of Basic Science College of Medicine, California Northstate University, Elk Grove, CA, United States
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4
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1'-O-methyl-averantin isolated from the endolichenic fungus Jackrogersella sp. EL001672 suppresses colorectal cancer stemness via sonic Hedgehog and Notch signaling. Sci Rep 2023; 13:2811. [PMID: 36797277 PMCID: PMC9935543 DOI: 10.1038/s41598-023-28773-z] [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: 09/15/2022] [Accepted: 01/24/2023] [Indexed: 02/18/2023] Open
Abstract
Endolichenic fungi are host organisms that live on lichens and produce a wide variety of secondary metabolites. Colorectal cancer stem cells are capable of self-renewal and differentiation into cancer cells, which makes cancers difficult to eradicate. New alternative therapeutics are needed to inhibit the growth of tumor stem cells. This study examined the ability of an extract of Jackrogersella sp. EL001672 (derived from the lichen Cetraria sp.) and the isolated compound 1'-O-methyl-averantin to inhibit development of cancer stemness. The endolichenic fungus Jackrogersella sp. EL001672 (KACC 83021BP), derived from Cetraria sp., was grown in culture medium. The culture broth was extracted with acetone to obtain a crude extract. Column chromatography and reverse-phase HPLC were used to isolate an active compound. The anticancer activity of the extract and the isolated compound was evaluated by qRT-PCR and western blotting, and in cell viability, spheroid formation, and reporter assays. The acetone extract of EL001672 did not affect cell viability. However, 1'-O-methyl-averantin showed cytotoxic effects against cancer cell lines at 50 μg/mL and 25 μg/mL. Both the crude extract and 1'-O-methyl-averantin suppressed spheroid formation in CRC cell lines, and downregulated expression of stemness markers ALDH1, CD44, CD133, Lgr-5, Msi-1, and EphB1. To further characterize the mechanism underlying anti-stemness activity, we examined sonic Hedgehog and Notch signaling. The results showed that the crude extract and the 1'-O-methyl-averantin inhibited Gli1, Gli2, SMO, Bmi-1, Notch-1, Hes-1, and the CSL complex. Consequently, an acetone extract and 1'-O-methyl-averantin isolated from EL001672 suppresses colorectal cancer stemness by regulating the sonic Hedgehog and Notch signaling pathways.
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5
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Herreros-Pomares A, Doria P, Gallach S, Meri-Abad M, Guijarro R, Calabuig-Fariñas S, Camps C, Jantus-Lewintre E. A Sonic Hedgehog Pathway Score to Predict the Outcome of Resected Non-Small Cell Lung Cancer Patients. Ann Surg Oncol 2023; 30:1225-1235. [PMID: 36131117 DOI: 10.1245/s10434-022-12565-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/28/2022] [Indexed: 01/12/2023]
Abstract
BACKGROUND Mutations and deregulations in components of the Hedgehog (Hh) pathway have been associated with cancer onset and tumor growth in different malignancies, but their role in non-small cell lung cancer (NSCLC) remains unclear. This study aims to investigate the expression pattern of the main components of the Hh pathway in tumor and adjacent normal tissue biopsies of resected NSCLC patients. METHODS The relative expression of GLI1, PTCH1, SHH, and SMO was analyzed by quantitative polymerase chain reaction (PCR) in a cohort of 245 NSCLC patients. Results were validated in an independent cohort of NSCLC patients from The Cancer Genome Atlas (TCGA). RESULTS We found that SMO and GLI1 were overexpressed in the tumor compared with normal-paired tissue, whereas PTCH1 and SHH were underexpressed. In addition, patients with higher expression levels of PTCH1 presented better outcomes. A gene expression score, called the Hedgehog Score, was calculated using a multivariable model including analyzed components of the Hh signaling pathway. NSCLC patients with a high Hedgehog Score had significantly shorter relapse-free survival (RFS) and overall survival (OS) than patients with a low score, especially at stage I of the disease. Similarly, patients in the adenocarcinoma (ADC) subcohort had shorter RFS and OS. Multivariate Cox analysis exhibited that the Hedgehog Score is an independent prognostic biomarker for OS in both the entire training cohort and the ADC subcohort. The Hedgehog Score was validated in an independent cohort of NSCLC patients from TCGA, which confirmed its prognostic value. CONCLUSIONS Our results provide relevant prognostic data for NSCLC patients and support further studies on the Hh pathway.
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Affiliation(s)
- Alejandro Herreros-Pomares
- Department of Biotechnology, Universitat Politècnica de València, Valencia, Spain. .,Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain.
| | | | - Sandra Gallach
- Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain.,Molecular Oncology Laboratory, Fundación Investigación Hospital General Universitario de Valencia, Valencia, Spain.,TRIAL Mixed Unit, Centro de Investigación Príncipe Felipe-Fundación Investigación del Hospital General Universitario de Valencia, Valencia, Spain
| | - Marina Meri-Abad
- Department of Medical Oncology, Hospital General Universitario de Valencia, Valencia, Spain
| | - Ricardo Guijarro
- Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain.,TRIAL Mixed Unit, Centro de Investigación Príncipe Felipe-Fundación Investigación del Hospital General Universitario de Valencia, Valencia, Spain.,Department of Surgery, Universitat de València, Valencia, Spain.,Department of Thoracic Surgery, Hospital General Universitario de Valencia, Valencia, Spain
| | - Silvia Calabuig-Fariñas
- Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain.,Molecular Oncology Laboratory, Fundación Investigación Hospital General Universitario de Valencia, Valencia, Spain.,TRIAL Mixed Unit, Centro de Investigación Príncipe Felipe-Fundación Investigación del Hospital General Universitario de Valencia, Valencia, Spain.,Department of Pathology, Universitat de València, Valencia, Spain
| | - Carlos Camps
- Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain.,Molecular Oncology Laboratory, Fundación Investigación Hospital General Universitario de Valencia, Valencia, Spain.,TRIAL Mixed Unit, Centro de Investigación Príncipe Felipe-Fundación Investigación del Hospital General Universitario de Valencia, Valencia, Spain.,Department of Medical Oncology, Hospital General Universitario de Valencia, Valencia, Spain.,Department of Medicine, Universitat de València, Valencia, Spain
| | - Eloísa Jantus-Lewintre
- Department of Biotechnology, Universitat Politècnica de València, Valencia, Spain. .,Centro de Investigación Biomédica en Red Cáncer, CIBERONC, Madrid, Spain. .,Molecular Oncology Laboratory, Fundación Investigación Hospital General Universitario de Valencia, Valencia, Spain. .,TRIAL Mixed Unit, Centro de Investigación Príncipe Felipe-Fundación Investigación del Hospital General Universitario de Valencia, Valencia, Spain.
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6
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Gli1 promotes epithelial–mesenchymal transition and metastasis of non-small cell lung carcinoma by regulating Snail transcriptional activity and stability. Acta Pharm Sin B 2022; 12:3877-3890. [PMID: 36213531 PMCID: PMC9532560 DOI: 10.1016/j.apsb.2022.05.024] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/18/2022] [Accepted: 03/31/2022] [Indexed: 11/23/2022] Open
Abstract
Metastasis is crucial for the mortality of non-small cell lung carcinoma (NSCLC) patients. The epithelial–mesenchymal transition (EMT) plays a critical role in regulating tumor metastasis. Glioma-associated oncogene 1 (Gli1) is aberrantly active in a series of tumor tissues. However, the molecular regulatory relationships between Gli1 and NSCLC metastasis have not yet been identified. Herein, we reported Gli1 promoted NSCLC metastasis. High Gli1 expression was associated with poor survival of NSCLC patients. Ectopic expression of Gli1 in low metastatic A549 and NCI-H460 cells enhanced their migration, invasion abilities and facilitated EMT process, whereas knock-down of Gli1 in high metastatic NCI-H1299 and NCI-H1703 cells showed an opposite effect. Notably, Gli1 overexpression accelerated the lung and liver metastasis of NSCLC in the intravenously injected metastasis model. Further research showed that Gli1 positively regulated Snail expression by binding to its promoter and enhancing its protein stability, thereby facilitating the migration, invasion and EMT of NSCLC. In addition, administration of GANT-61, a Gli1 inhibitor, obviously suppressed the metastasis of NSCLC. Collectively, our study reveals that Gli1 is a critical regulator for NSCLC metastasis and suggests that targeting Gli1 is a prospective therapy strategy for metastatic NSCLC.
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7
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Ma C, Hu K, Ullah I, Zheng QK, Zhang N, Sun ZG. Molecular Mechanisms Involving the Sonic Hedgehog Pathway in Lung Cancer Therapy: Recent Advances. Front Oncol 2022; 12:729088. [PMID: 35433472 PMCID: PMC9010822 DOI: 10.3389/fonc.2022.729088] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 03/03/2022] [Indexed: 12/09/2022] Open
Abstract
According to the latest statistics from the International Agency for Research on Cancer (IARC), lung cancer is one of the most lethal malignancies in the world, accounting for approximately 18% of all cancer-associated deaths. Yet, even with aggressive interventions for advanced lung cancer, the five-year survival rate remains low, at around 15%. The hedgehog signaling pathway is highly conserved during embryonic development and is involved in tissue homeostasis as well as organ development. However, studies have documented an increasing prevalence of aberrant activation of HH signaling in lung cancer patients, promoting malignant lung cancer progression with poor prognostic outcomes. Inhibitors targeting the HH pathway have been widely used in tumor therapy, however, they still cannot avoid the occurrence of drug resistance. Interestingly, natural products, either alone or in combination with chemotherapy, have greatly improved overall survival outcomes for lung cancer patients by acting on the HH signaling pathway because of its unique and excellent pharmacological properties. In this review, we elucidate on the underlying molecular mechanisms through which the HH pathway promotes malignant biological behaviors in lung cancer, as well as the potential of inhibitors or natural compounds in targeting HH signaling for clinical applications in lung cancer therapy.
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Affiliation(s)
- Chao Ma
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Kang Hu
- School of Clinical Medicine, Weifang Medical University, Weifang, China
- Department of Thoracic Surgery, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Irfan Ullah
- Department of Surgery, Khyber Medical University Peshawar, Peshawar, Pakistan
| | - Qing-Kang Zheng
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Nan Zhang
- Breast Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
- *Correspondence: Zhi-Gang Sun, ; Nan Zhang,
| | - Zhi-Gang Sun
- Department of Thoracic Surgery, Central Hospital Affiliated to Shandong First Medical University, Jinan, China
- *Correspondence: Zhi-Gang Sun, ; Nan Zhang,
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8
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Takam Kamga P, Swalduz A, Costantini A, Julié C, Emile JF, Pérol M, Avrillon V, Ortiz-Cuaran S, de Saintigny P, Leprieur EG. High Circulating Sonic Hedgehog Protein Is Associated With Poor Outcome in EGFR-Mutated Advanced NSCLC Treated With Tyrosine Kinase Inhibitors. Front Oncol 2022; 11:747692. [PMID: 34970481 PMCID: PMC8712335 DOI: 10.3389/fonc.2021.747692] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/22/2021] [Indexed: 12/24/2022] Open
Abstract
Introduction Growing preclinical evidence has suggested that the Sonic hedgehog (Shh) pathway is involved in resistance to tyrosine kinase inhibitor (TKI) therapy for EGFR-mutated (EGFRm) non-small cell lung cancer (NSCLC). However, little is known concerning the prognostic value of this pathway in this context. Materials and Methods We investigated the relationship between plasma levels of Shh and EGFRm NSCLC patients’ outcome with EGFR TKIs. We included 74 consecutive patients from two institutions with EGFRm advanced NSCLC treated by EGFR TKI as first-line therapy. Plasma samples were collected longitudinally for each patient and were analyzed for the expression of Shh using an ELISA assay. The activation of the Shh–Gli1 pathway was assessed through immunohistochemistry (IHC) of Gli1 and RT-qPCR analysis of the transcripts of Gli1 target genes in 14 available tumor biopsies collected at diagnosis (baseline). Results Among the 74 patients, only 61 had baseline (diagnosis) plasma samples, while only 49 patients had plasma samples at the first evaluation. Shh protein was detectable in all samples at diagnosis (n = 61, mean = 1,041.2 ± 252.5 pg/ml). Among the 14 available tumor biopsies, nuclear expression of Gli1 was observed in 57.1% (8/14) of patients’ biopsies. Shh was significantly (p < 0.05) enriched in youth (age < 68), male, nonsmokers, patients with a PS > 1, and patients presenting more than 2 metastatic sites and L858R mutation. Higher levels of Shh correlated with poor objective response to TKI, shorter progression-free survival (PFS), and T790M-independent mechanism of resistance. In addition, the rise of plasma Shh levels along the treatment was associated with the emergence of drug resistance in patients presenting an initial good therapy response. Conclusion These data support that higher levels of plasma Shh at diagnosis and increased levels of Shh along the course of the disease are related to the emergence of TKI resistance and poor outcome for EGFR-TKI therapy, suggesting that Shh levels could stand both as a prognostic and as a resistance biomarker for the management of EGFR-mutated NSCLC patients treated with EGFR-TKI.
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Affiliation(s)
- Paul Takam Kamga
- Université Paris-Saclay, UVSQ, EA 4340 BECCOH, Boulogne-Billancourt, France
| | - Aurélie Swalduz
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France.,Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Adrien Costantini
- Université Paris-Saclay, UVSQ, EA 4340 BECCOH, Boulogne-Billancourt, France.,Department of Respiratory Diseases and Thoracic Oncology, APHP-Hopital Ambroise Pare, Boulogne-Billancourt, France
| | - Catherine Julié
- Université Paris-Saclay, UVSQ, EA 4340 BECCOH, Boulogne-Billancourt, France.,Department of Pathology, APHP-Hopital Ambroise Pare, Boulogne-Billancourt, France
| | - Jean-François Emile
- Université Paris-Saclay, UVSQ, EA 4340 BECCOH, Boulogne-Billancourt, France.,Department of Pathology, APHP-Hopital Ambroise Pare, Boulogne-Billancourt, France
| | - Maurice Pérol
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France
| | - Virginie Avrillon
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Sandra Ortiz-Cuaran
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Pierre de Saintigny
- Department of Medical Oncology, Centre Léon Bérard, Lyon, France.,Univ Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, Lyon, France
| | - Etienne Giroux Leprieur
- Université Paris-Saclay, UVSQ, EA 4340 BECCOH, Boulogne-Billancourt, France.,Department of Respiratory Diseases and Thoracic Oncology, APHP-Hopital Ambroise Pare, Boulogne-Billancourt, France
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9
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Oo HZ, Lohinai Z, Khazamipour N, Lo J, Kumar G, Pihl J, Adomat H, Nabavi N, Behmanesh H, Zhai B, Dagil R, Choudhary S, Gustavsson T, Clausen TM, Esko JD, Allen JW, Thompson MA, Tran NL, Moldvay J, Dome B, Salanti A, Al-Nakouzi N, Weiss GJ, Daugaard M. Oncofetal Chondroitin Sulfate Is a Highly Expressed Therapeutic Target in Non-Small Cell Lung Cancer. Cancers (Basel) 2021; 13:4489. [PMID: 34503301 PMCID: PMC8430715 DOI: 10.3390/cancers13174489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/27/2021] [Accepted: 09/02/2021] [Indexed: 11/27/2022] Open
Abstract
Broad-spectrum therapeutics in non-small cell lung cancer (NSCLC) are in demand. Most human solid tumors express proteoglycans modified with distinct oncofetal chondroitin sulfate (CS) chains that can be detected and targeted with recombinant VAR2CSA (rVAR2) proteins and rVAR2-derived therapeutics. Here, we investigated expression and targetability of oncofetal CS expression in human NSCLC. High oncofetal CS expression is associated with shorter disease-free survival and poor overall survival of clinically annotated stage I and II NSCLC patients (n = 493). Oncofetal CS qualifies as an independent prognosticator of NSCLC in males and smokers, and high oncofetal CS levels are more prevalent in EGFR/KRAS wild-type cases, as compared to mutation cases. NSCLC cell lines express oncofetal CS-modified proteoglycans that can be specifically detected and targeted by rVAR2 proteins in a CSA-dependent manner. Importantly, a novel VAR2-drug conjugate (VDC-MMAE) efficiently eliminates NSCLC cells in vitro and in vivo. In summary, oncofetal CS is a prognostic biomarker and an actionable glycosaminoglycan target in NSCLC.
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Affiliation(s)
- Htoo Zarni Oo
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Zoltan Lohinai
- Department of Tumor Biology, National Koranyi Institute of Pulmonology, 1122 Budapest, Hungary; (Z.L.); (J.M.); (B.D.)
| | - Nastaran Khazamipour
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Joey Lo
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Gunjan Kumar
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Jessica Pihl
- Department of Cellular and Molecular Medicine, University of California, La Jolla, San Diego, CA 92093, USA; (J.P.); (T.M.C.); (J.D.E.)
| | - Hans Adomat
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Noushin Nabavi
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Hakhamanesh Behmanesh
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Beibei Zhai
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | - Robert Dagil
- Department for Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (R.D.); (S.C.); (T.G.); (A.S.)
| | - Swati Choudhary
- Department for Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (R.D.); (S.C.); (T.G.); (A.S.)
| | - Tobias Gustavsson
- Department for Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (R.D.); (S.C.); (T.G.); (A.S.)
| | - Thomas M. Clausen
- Department of Cellular and Molecular Medicine, University of California, La Jolla, San Diego, CA 92093, USA; (J.P.); (T.M.C.); (J.D.E.)
| | - Jeffrey D. Esko
- Department of Cellular and Molecular Medicine, University of California, La Jolla, San Diego, CA 92093, USA; (J.P.); (T.M.C.); (J.D.E.)
| | | | | | - Nhan L. Tran
- Department of Cancer Biology, Mayo Clinic, Scottsdale, AZ 85259, USA;
| | - Judit Moldvay
- Department of Tumor Biology, National Koranyi Institute of Pulmonology, 1122 Budapest, Hungary; (Z.L.); (J.M.); (B.D.)
- MTA-SE NAP, Brain Metastasis Research Group, Department of Pathology, Hungarian Academy of Sciences, 1085 Budapest, Hungary
| | - Balazs Dome
- Department of Tumor Biology, National Koranyi Institute of Pulmonology, 1122 Budapest, Hungary; (Z.L.); (J.M.); (B.D.)
- Department of Thoracic Surgery, National Institute of Oncology, Semmelweis University, 1122 Budapest, Hungary
- Department of Thoracic Surgery, Medical University of Vienna, 1090 Vienna, Austria
| | - Ali Salanti
- Department for Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (R.D.); (S.C.); (T.G.); (A.S.)
| | - Nader Al-Nakouzi
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
| | | | - Mads Daugaard
- Department of Urologic Sciences, University of British Columbia, Vancouver, BC V6H 3Z6, Canada; (H.Z.O.); (N.K.); (J.L.); (G.K.); (H.A.); (N.N.); (H.B.); (B.Z.); (N.A.-N.)
- Vancouver Prostate Centre, Vancouver Coastal Health Research Institute, Vancouver, BC V6H 3Z6, Canada
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10
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HEDGEHOG/GLI Modulates the PRR11-SKA2 Bidirectional Transcription Unit in Lung Squamous Cell Carcinomas. Genes (Basel) 2021; 12:genes12010120. [PMID: 33477943 PMCID: PMC7833434 DOI: 10.3390/genes12010120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/15/2021] [Accepted: 01/16/2021] [Indexed: 12/20/2022] Open
Abstract
We previously demonstrated that proline-rich protein 11 (PRR11) and spindle and kinetochore associated 2 (SKA2) constituted a head-to-head gene pair driven by a prototypical bidirectional promoter. This gene pair synergistically promoted the development of non-small cell lung cancer. However, the signaling pathways leading to the ectopic expression of this gene pair remains obscure. In the present study, we first analyzed the lung squamous cell carcinoma (LSCC) relevant RNA sequencing data from The Cancer Genome Atlas (TCGA) database using the correlation analysis of gene expression and gene set enrichment analysis (GSEA), which revealed that the PRR11-SKA2 correlated gene list highly resembled the Hedgehog (Hh) pathway activation-related gene set. Subsequently, GLI1/2 inhibitor GANT-61 or GLI1/2-siRNA inhibited the Hh pathway of LSCC cells, concomitantly decreasing the expression levels of PRR11 and SKA2. Furthermore, the mRNA expression profile of LSCC cells treated with GANT-61 was detected using RNA sequencing, displaying 397 differentially expressed genes (203 upregulated genes and 194 downregulated genes). Out of them, one gene set, including BIRC5, NCAPG, CCNB2, and BUB1, was involved in cell division and interacted with both PRR11 and SKA2. These genes were verified as the downregulated genes via RT-PCR and their high expression significantly correlated with the shorter overall survival of LSCC patients. Taken together, our results indicate that GLI1/2 mediates the expression of the PRR11-SKA2-centric gene set that serves as an unfavorable prognostic indicator for LSCC patients, potentializing new combinatorial diagnostic and therapeutic strategies in LSCC.
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11
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Wei X, Liu W, Wang JQ, Tang Z. "Hedgehog pathway": a potential target of itraconazole in the treatment of cancer. J Cancer Res Clin Oncol 2020; 146:297-304. [PMID: 31960187 DOI: 10.1007/s00432-019-03117-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 12/17/2019] [Indexed: 12/13/2022]
Abstract
PURPOSE Itraconazole is an antifungal drug that has been clinically used for over 30 years. In recent years, scholars have discovered that it possesses an anticancer effect. Moreover, its mechanism has been clarified to some degree. What deserves to be mentioned is that itraconazole acting on the Hedgehog pathway has made a new progress in the treatment of cancers. While interestingly, studies have demonstrated that the Hedgehog pathway is largely activated in different cancer cells. RESULT This review tries to highlight the effect of itraconazole on smoothened receptor (SMO) in the Hedgehog pathway, thereby reducing the glioma-associated oncogene homolog (GLI) release and finally exhibiting a range of anticancer effects, promoting apoptosis of cancer cells, and inhibiting proliferation by indirect inhibition of NF-κB pathway and inflammation, moreover, promoting the expression of cyclin-dependent kinase inhibitors, inhibiting the expression of target genes transcribed by GLI such as BCL-2 and Cyclin-D1. Besides, itraconazole increases the number of Bnip3, subsequently, inducing the dissociation of the Beclin-1/BCL-2 binding complex, as a result of ultimately promoting autophagy of cancer cells. CONCLUSION As a new anticancer drug, whether itraconazole eventually entering clinical application requires the joint eforts of all scholars. In any case, an in-depth study on itraconazole will bring new hope for cancer patients in the near future.
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Affiliation(s)
- Xin Wei
- Acad Integrated Med & College of Pharmacy, Department of Pharmacy, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Wu Liu
- Acad Integrated Med & College of Pharmacy, Department of Pharmacy, Dalian Medical University, Dalian, 116044, People's Republic of China
| | - Jia Qi Wang
- Department of Plastic and Reconstructive Surgery, The First Bethune Hospital of Jilin University, Chang Chun, 130021, People's Republic of China
| | - Zeyao Tang
- Acad Integrated Med & College of Pharmacy, Department of Pharmacy, Dalian Medical University, Dalian, 116044, People's Republic of China.
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12
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Li K, Fang D, Xiong Z, Luo R. Inhibition of the hedgehog pathway for the treatment of cancer using Itraconazole. Onco Targets Ther 2019; 12:6875-6886. [PMID: 31692536 PMCID: PMC6711563 DOI: 10.2147/ott.s223119] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 08/07/2019] [Indexed: 01/16/2023] Open
Abstract
Itraconazole (ITZ) is an anti-fungal drug that has been used in clinical practice for nearly 35 years. Recently, numerous experiments have shown that ITZ possesses anti-cancer properties. The Hedgehog (Hh) pathway plays a pivotal role in fundamental processes, including embryogenesis, structure, morphology and proliferation in various species. This pathway is typically silent in adult cells, and inappropriate activity is linked to various tumor types. The most important mechanism of ITZ in the treatment of cancer is inhibition of the Hh pathway through the inhibition of smoothened receptors (SMO), glioma-associated oncogene homologs (GLI), and their downstream targets. In this review, we discuss the mechanisms of ITZ in the treatment of cancer through inhibition of the Hh pathway, which includes anti-inflammation, prevention of tumor growth, induction of cell cycle arrest, induction of apoptosis and autophagy, prevention of angiogenesis, and drug resistance. We also discuss the clinical use of ITZ in many types of cancers. We hope this review will provide more information to support future studies on ITZ in the treatment of various cancers.
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Affiliation(s)
- Ke Li
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, People's Republic of China
| | - Dengyang Fang
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, People's Republic of China
| | - Zuming Xiong
- Department of General Surgery, Fuling Central Hospital of Chongqing City, Chongqing, People's Republic of China
| | - Runlan Luo
- Department of Ultrasound, Fuling Central Hospital of Chongqing City, Chongqing, People's Republic of China
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13
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Cao Q, Mao ZD, Shi YJ, Chen Y, Sun Y, Zhang Q, Song L, Peng LP. MicroRNA-7 inhibits cell proliferation, migration and invasion in human non-small cell lung cancer cells by targeting FAK through ERK/MAPK signaling pathway. Oncotarget 2018; 7:77468-77481. [PMID: 27764812 PMCID: PMC5363598 DOI: 10.18632/oncotarget.12684] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 09/02/2016] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE To investigate the effects of microRNA-7 (miR-7) on the proliferation, migration and invasion of non-small cell lung cancer NSCLC) cells by targeting FAK through ERK/MAPK signaling pathway. METHODS NSCLC tissues and adjacent normal tissues were obtained from 160 NSCLC patients after operation. NSCLC cell lines (A549, H1299 and H1355) and a normal human fetal lung fibroblast cell line (MRC-5) were obtained. NSCLC cells were assigned into miR-7 inhibitors, miR-7 mimics, blank, miR-7 mimics control, miR-7 inhibitors control, FAK siRNA and miR-7 inhibitors + FAK siRNA groups. The expressions of miR-7 and FAK mRNA in tissues and cell lines were detected by qRT-PCR and Western-Blotting. Cell proliferation, migration and invasion were detected by MTT assay, wound scratch assay and Transwell assay. RESULTS Compared with adjacent normal tissues, miR-7 expression was down-regulated, but the mRNA and protein expressions of FAK, ERK and MAPK were up-regulated. Compared with the blank and mimics control groups, miR-7 significantly increased but FAK, ERK and MAPK expressions decreased in miR-7 mimics and FAK siRNA groups. Cell proliferation, migration and invasion were inhibited in the miR-7 mimics and FAK siRNA groups, while opposite regarding miR-7 inhibitors group. CONCLUSION The miR-7 can inhibit the activation of ERK/MAPK signaling pathway by down-regulating FAK expression, thereby suppressing the proliferation, migration and invasion of NSCLC cells. The miR-7 and its target gene FAK may be novel targets for the diagnosis and treatment of NSCLC.
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Affiliation(s)
- Qi Cao
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Zheng-Dao Mao
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Yu-Jia Shi
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Yi Chen
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Yun Sun
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Qian Zhang
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Lei Song
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
| | - Li-Ping Peng
- Department of Respiratory Medicine, Affiliated Changzhou No.2 People's Hospital, Nanjing Medical University, Changzhou 213003, P.R. China
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14
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Old Sonic Hedgehog, new tricks: a new paradigm in thoracic malignancies. Oncotarget 2018; 9:14680-14691. [PMID: 29581874 PMCID: PMC5865700 DOI: 10.18632/oncotarget.24411] [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] [Received: 11/11/2017] [Accepted: 01/25/2018] [Indexed: 01/06/2023] Open
Abstract
The Sonic Hedgehog (Shh) pathway is physiologically involved during embryogenesis, but is also activated in several diseases, including solid cancers. Previous studies have demonstrated that the Shh pathway is involved in oncogenesis, tumor progression and chemoresistance in lung cancer and mesothelioma. The Shh pathway is also closely associated with epithelial-mesenchymal transition and cancer stem cells. Recent findings have revealed that a small proportion of lung cancer cells expressed an abnormal full-length Shh protein, associated with cancer stem cell features. In this paper, we review the role of the Shh pathway in thoracic cancers (small cell lung cancer, non-small cell lung cancer, and mesothelioma) and discuss the new perspectives of cancer research highlighted by the recent data of the literature.
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15
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Han J, Liu S, Zhang Y, Xu Y, Jiang Y, Zhang C, Li C, Li X. MiRSEA: Discovering the pathways regulated by dysfunctional MicroRNAs. Oncotarget 2018; 7:55012-55025. [PMID: 27474169 PMCID: PMC5342398 DOI: 10.18632/oncotarget.10839] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 07/10/2016] [Indexed: 12/17/2022] Open
Abstract
Recent studies have shown that dysfunctional microRNAs (miRNAs) are involved in the progression of various cancers. Dysfunctional miRNAs may jointly regulate their target genes and further alter the activities of canonical biological pathways. Identification of the pathways regulated by a group of dysfunctional miRNAs could help uncover the pathogenic mechanisms of cancer and facilitate development of new drug targets. Current miRNA-pathway analyses mainly use differentially-expressed miRNAs to predict the shared pathways on which they act. However, these methods fail to consider the level of differential expression level, which could improve our understanding of miRNA function. We propose a novel computational method, MicroRNA Set Enrichment Analysis (MiRSEA), to identify the pathways regulated by dysfunctional miRNAs. MiRSEA integrates the differential expression levels of miRNAs with the strength of miRNA pathway associations to perform direct enrichment analysis using miRNA expression data. We describe the MiRSEA methodology and illustrate its effectiveness through analysis of data from hepatocellular cancer, gastric cancer and lung cancer. With these analyses, we show that MiRSEA can successfully detect latent biological pathways regulated by dysfunctional miRNAs. We have implemented MiRSEA as a freely available R-based package on CRAN (https://cran.r-project.org/web/packages/MiRSEA/).
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Affiliation(s)
- Junwei Han
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Siyao Liu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Yunpeng Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Yanjun Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Ying Jiang
- College of Basic Medical Science, Heilongjiang University of Chinese Medicine, Harbin 150040, PR China
| | - Chunlong Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
| | - Chunquan Li
- School of Medical Informatics, Daqing Campus, Harbin Medical University, Harbin, 150081, PR China
| | - Xia Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, PR China
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16
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Wang X, Fang Z, Wang A, Luo C, Cheng X, Lu M. Lithium Suppresses Hedgehog Signaling via Promoting ITCH E3 Ligase Activity and Gli1-SUFU Interaction in PDA Cells. Front Pharmacol 2017; 8:820. [PMID: 29249966 PMCID: PMC5715333 DOI: 10.3389/fphar.2017.00820] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 10/30/2017] [Indexed: 01/02/2023] Open
Abstract
Dysregulation of Hedgehog (Hh) signaling pathway is one of the hallmarks of pancreatic ductal adenocarcinoma (PDA). Lithium, a clinical mood stabilizer for the treatment of mental disorders, is known to suppress tumorigenic potential of PDA cells by targeting the Hh/Gli signaling pathway. In this study, we investigated the molecular mechanism of lithium induced down-regulation of Hh/Gli1. Our data show that lithium promotes the poly-ubiquitination and proteasome-mediated degradation of Gli1 through activating E3 ligase ITCH. Additionally, lithium enhances interaction between Gli1 and SUFU via suppressing GSK3β, which phosphorylates SUFU and destabilizes the SUFU-Gli1 inhibitory complex. Our studies illustrate a novel mechanism by which lithium suppresses Hh signaling via simultaneously promoting ITCH-dependent Gli1 ubiquitination/degradation and SUFU-mediated Gli1 inhibition.
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Affiliation(s)
- Xinshuo Wang
- State Key Laboratory of Natural Medicines, School of Life Sciences and Technology, China Pharmaceutical University, Nanjing, China.,School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, China
| | - Zijian Fang
- State Key Laboratory of Natural Medicines, School of Life Sciences and Technology, China Pharmaceutical University, Nanjing, China
| | - Anlin Wang
- State Key Laboratory of Natural Medicines, School of Life Sciences and Technology, China Pharmaceutical University, Nanjing, China
| | - Cheng Luo
- State Key Laboratory of Natural Medicines, School of Life Sciences and Technology, China Pharmaceutical University, Nanjing, China
| | - Xiaodong Cheng
- Department of Integrative Biology and Pharmacology, Texas Therapeutics Institute, The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Meiling Lu
- State Key Laboratory of Natural Medicines, School of Life Sciences and Technology, China Pharmaceutical University, Nanjing, China
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17
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Wang F, Wang W, Li J, Zhang J, Wang X, Wang M. Sulforaphane reverses gefitinib tolerance in human lung cancer cells via modulation of sonic hedgehog signaling. Oncol Lett 2017; 15:109-114. [PMID: 29285189 PMCID: PMC5738694 DOI: 10.3892/ol.2017.7293] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 08/17/2017] [Indexed: 11/19/2022] Open
Abstract
Gefitinib is a targeted anticancer drug that was developed as an effective clinical therapy for lung cancer. Numerous patients develop gefitinib resistance in response to treatment. Sulforaphane (SFN) is present in cruciferous vegetables, and has been demonstrated to inhibit the malignant growth of various types of cancer cells. To investigate the role of SFN in gefitinib resistance, a gefitinib-tolerant PC9 (PC9GT) cell model was established by continually exposing PC9 cells to gefitinib. Cell viability was measured using a cell proliferation assay. Components of the sonic hedgehog (SHH) signaling pathway and markers of lung cancer stem cells were detected via western blotting. SFN markedly inhibited the proliferation of PC9GT and PC9 cells in a dose-dependent manner; combination SFN/gefitinib treatment also markedly decreased PC9GT cell proliferation, compared with SFN or gefitinib administered alone (P<0.05). Western blot analysis revealed that the expression of SHH, Smoothened (SMO), zinc finger protein GLI1 (GLI1), GLI2, CD133 and CD44 were upregulated in PC9GT cells, as compared with in PC9 cells. Furthermore, SFN markedly inhibited the expression of SHH, SMO and GLI1 in PC9GT and PC9 cells in a dose dependent manner, and SFN combined with gefitinib markedly inhibited the expression of SHH, SMO, GLI1, CD133 and CD44 in PC9GT cells when compared with SFN or gefitinib monotherapy. The results of the present study demonstrated that SFN inhibits the proliferation of gefitinib-tolerant lung cancer cells via modulation of the SHH signaling pathway. Therefore, combined SFN and gefitinib therapy may be an effective approach for the treatment of lung cancer.
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Affiliation(s)
- Fanping Wang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China.,Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine in Henan Province, Xinxiang, Henan 453003, P.R. China
| | - Wenjun Wang
- Cancer Research Institute, Sun Yat-sen Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Junpeng Li
- Department of Clinical Laboratory, The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Jingjing Zhang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Xia Wang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Mingyong Wang
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
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18
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Du J, Chen W, Yang L, Dai J, Guo J, Wu Y, Gong K, Zhang J, Yu N, Xie Z, Xi S. Disruption of SHH signaling cascade by SBE attenuates lung cancer progression and sensitizes DDP treatment. Sci Rep 2017; 7:1899. [PMID: 28507311 PMCID: PMC5432500 DOI: 10.1038/s41598-017-02063-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 04/04/2017] [Indexed: 12/24/2022] Open
Abstract
Deregulated Sonic Hedgehog (SHH) pathway facilitates the initiation, progression, and metastasis of Non-small cell lung cancer (NSCLC), confers drug resistance and renders a therapeutic interference option to lung cancer patients with poor prognosis. In this study, we screened and evaluated the specificity of a Chinese herb Scutellariabarbata D. Don extraction (SBE) in repressing SHH signaling pathway to block NSCLC progression. Our study confirmed that aberrant activation of the SHH signal pathway conferred more proliferative and invasive phenotypes to human lung cancer cells. This study revealed that SBE specifically repressed SHH signaling pathway to interfere the SHH-mediated NSCLC progression and metastasis via arresting cell cycle progression. We also found that SBE significantly sensitized lung cancer cells to chemotherapeutic agent DDP via repressing SHH components in vitro and in vivo. Mechanistic investigations indicated that SBE transcriptionally and specifically downregulated SMO and consequently attenuated the activities of GLI1 and its downstream targets in SHH signaling pathway, which interacted with cell cycle checkpoint enzymes to arrest cell cycle progression and lead to cellular growth inhibition and migration blockade. Collectively, our results suggest SBE as a novel drug candidate for NSCLC which specifically and sensitively targets SHH signaling pathway.
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Affiliation(s)
- Jing Du
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Weiwei Chen
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Lijuan Yang
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Juanjuan Dai
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Jiwei Guo
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Yan Wu
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Kaikai Gong
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China
| | - Jian Zhang
- Department of Pathology, Binzhou City People's Hospital, 256610, Binzhou, P.R. China
| | - Ning Yu
- Department of Pathology, Binzhou Medical University Hospital, 256600, Binzhou, P.R. China
| | - Zhen Xie
- Department of Thoracic Surgery, Binzhou Medical University Hospital, 256600, Binzhou, P.R. China
| | - Sichuan Xi
- Cancer Research Institute, Binzhou Medical University hospital, 256600, Binzhou, P.R. China.
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19
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Noncanonical GLI1 signaling promotes stemness features and in vivo growth in lung adenocarcinoma. Oncogene 2017; 36:4641-4652. [PMID: 28368412 PMCID: PMC5558095 DOI: 10.1038/onc.2017.91] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 02/04/2017] [Accepted: 02/26/2017] [Indexed: 02/07/2023]
Abstract
Aberrant Hedgehog/GLI signaling has been implicated in a diverse spectrum of human cancers, but its role in lung adenocarcinoma (LAC) is still under debate. We show that the downstream effector of the Hedgehog pathway, GLI1, is expressed in 76% of LACs, but in roughly half of these tumors, the canonical pathway activator, Smoothened, is expressed at low levels, possibly owing to epigenetic silencing. In LAC cells including the cancer stem cell compartment, we show that GLI1 is activated noncanonically by MAPK/ERK signaling. Different mechanisms can trigger the MAPK/ERK/GLI1 cascade including KRAS mutation and stimulation of NRP2 by VEGF produced by the cancer cells themselves in an autocrine loop or by stromal cells as paracrine cross talk. Suppression of GLI1, by silencing or drug-mediated, inhibits LAC cells proliferation, attenuates their stemness and increases their susceptibility to apoptosis in vitro and in vivo. These findings provide insight into the growth of LACs and point to GLI1 as a downstream effector for oncogenic pathways. Thus, strategies involving direct inhibition of GLI1 may be useful in the treatment of LACs.
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20
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Zhu JY, Yang X, Chen Y, Jiang Y, Wang SJ, Li Y, Wang XQ, Meng Y, Zhu MM, Ma X, Huang C, Wu R, Xie CF, Li XT, Geng SS, Wu JS, Zhong CY, Han HY. Curcumin Suppresses Lung Cancer Stem Cells via Inhibiting Wnt/β-catenin and Sonic Hedgehog Pathways. Phytother Res 2017; 31:680-688. [PMID: 28198062 DOI: 10.1002/ptr.5791] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 01/05/2017] [Accepted: 01/31/2017] [Indexed: 12/23/2022]
Abstract
Cancer stem cells (CSCs) are highly implicated in the progression of human cancers. Thus, targeting CSCs may be a promising strategy for cancer therapy. Wnt/β-catenin and Sonic Hedgehog pathways play an important regulatory role in maintaining CSC characteristics. Natural compounds, such as curcumin, possess chemopreventive properties. However, the interventional effect of curcumin on lung CSCs has not been clarified. In the present study, tumorsphere formation assay was used to enrich lung CSCs from A549 and H1299 cells. We showed that the levels of lung CSC markers (CD133, CD44, ALDHA1, Nanog and Oct4) and the number of CD133-positive cells were significantly elevated in the sphere-forming cells. We further illustrated that curcumin efficiently abolished lung CSC traits, as evidenced by reduced tumorsphere formation, reduced number of CD133-positive cells, decreased expression levels of lung CSC markers, as well as proliferation inhibition and apoptosis induction. Moreover, we demonstrated that curcumin suppressed the activation of both Wnt/β-catenin and Sonic Hedgehog pathways. Taken together, our data suggested that curcumin exhibited its interventional effect on lung CSCs via inhibition of Wnt/β-catenin and Sonic Hedgehog pathways. These novel findings could provide new insights into the potential therapeutic application of curcumin in lung CSC elimination and cancer intervention. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Jian-Yun Zhu
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Xue Yang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yue Chen
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Ye Jiang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Shi-Jia Wang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yuan Li
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Xiao-Qian Wang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Yu Meng
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Ming-Ming Zhu
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Xiao Ma
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Cong Huang
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Rui Wu
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Chun-Feng Xie
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Xiao-Ting Li
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Shan-Shan Geng
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Jie-Shu Wu
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Cai-Yun Zhong
- Department of Nutrition and Food Safety, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Hong-Yu Han
- Department of Clinical Nutrition, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510060, China
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Sonic Hedgehog Pathway Activation Is Associated With Resistance to Platinum-Based Chemotherapy in Advanced Non-Small-Cell Lung Carcinoma. Clin Lung Cancer 2015; 17:301-8. [PMID: 26762562 DOI: 10.1016/j.cllc.2015.12.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 12/03/2015] [Accepted: 12/09/2015] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Chemoresistance is a major challenge in the treatment of advanced non-small-cell lung cancer (NSCLC). Because the Sonic hedgehog (Shh) pathway is reactivated in NSCLC, we investigated an association between chemoresistance and Shh activation. PATIENTS AND METHODS From a cohort of 178 patients with advanced NSCLC treated with platinum-based chemotherapy as first-line treatment, we selected all surgical tumor samples at diagnosis (n = 36). Shh activation was evaluated through Gli1 and Gli2 expression using immunohistochemistry (quantitative score). In vitro treatment studies with cisplatin or vismodegib (Shh pathway inhibitor), or both, were performed on NSCLC cell lines (H322 and A549) and primary cultures from patients with sarcomatoid carcinoma (n = 4). RESULTS Of the 36 patients, 12 had NSCLC refractory to chemotherapy (R-patients, 33.3%) and 24 had controlled disease (C-patients). Gli1 expression did not differ between the R- and C-patients (P = .35). Gli2 expression was more often positive in the R-patients (41.7% vs. 8.3%; P = .02). Progression-free survival (PFS) and overall survival (OS) in patients with a Gli2-positive score was 2.1 and 8.0 months, respectively, compared with 6.7 and 18.0 months for patients with a Gli2-negative score (P = .03 and P = .002, respectively). On multivariate analysis, the Gli2 score correlated independently with PFS (hazard ratio [HR], 2.64; 95% confidence interval [CI], 1.05-6.63; P = .04) and OS (HR, 4.36; 95% CI, 1.67-11.36; P = .003). The sarcomatoid carcinoma cell lines were more resistant to cisplatin than were the H838 and A549 cell lines. The cisplatin-vismodegib combination displayed a synergistic cytotoxic effect in the most chemoresistant cells in vitro. CONCLUSION The Shh pathway is associated with resistance to platinum-based chemotherapy in NSCLC.
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Mayank, Jaitak V. Molecular docking study of natural alkaloids as multi-targeted hedgehog pathway inhibitors in cancer stem cell therapy. Comput Biol Chem 2015; 62:145-54. [PMID: 26278973 DOI: 10.1016/j.compbiolchem.2015.08.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 08/03/2015] [Accepted: 08/03/2015] [Indexed: 01/13/2023]
Abstract
Cancer is responsible for millions of deaths throughout the world every year. Increased understanding as well as advancements in the therapeutic aspect seems suboptimal to restrict the huge deaths associated with cancer. The major cause responsible for this is high resistance as well as relapse rate associated with cancers. Several evidences indicated that cancer stem cells (CSC) are mainly responsible for the resistance and relapses associated with cancer. Furthermore, agents targeting a single protein seem to have higher chances of resistance than multitargeting drugs. According to the concept of network model, partial inhibition of multiple targets is more productive than single hit agents. Thus, by fusing both the premises that CSC and single hit anticancer drugs, both are responsible for cancer related resistances and screened alkaloids for the search of leads having CSC targeting ability as well as the capability to modulating multiple target proteins. The in silico experimental data indicated that emetine and cortistatin have the ability to modulate hedgehog (Hh) pathway by binding to sonic hedgehog (Hh), smoothened (Smo) and Gli protein, involved in maintenance CSCs. Furthermore, solamargine, solasonine and tylophorine are also seems to be good lead molecules targeting towards CSCs by modulating Hh pathway. Except solamargine and solasonine, other best lead molecules also showed acceptable in silico ADME profile. The predicted lead molecules can be suitably modified to get multitargeting CSC targeting agent to get rid of associate resistances.
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Affiliation(s)
- Mayank
- Centre for Chemical and Pharmaceutical Sciences, Central University of Punjab, Bathinda, PB 151001, India
| | - Vikas Jaitak
- Centre for Chemical and Pharmaceutical Sciences, Central University of Punjab, Bathinda, PB 151001, India.
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Giroux Leprieur E, Antoine M, Vieira T, Rozensztajn N, Ruppert AM, Rabbe N, Cadranel J, Wislez M. [Role of the Sonic Hedgehog pathway in thoracic cancers]. Rev Mal Respir 2015; 32:800-8. [PMID: 25794996 DOI: 10.1016/j.rmr.2014.11.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 11/17/2014] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Sonic Hedgehog (Shh) pathway is physiologically activated during embryogenesis and development. It plays a role in idiopathic lung fibrosis and is also activated in several solid cancers. STATE OF THE ART Shh pathway is reactivated in thoracic cancers, as small cell lung carcinoma, non-small cell lung carcinoma and malignant pleural mesothelioma. Shh pathway is associated with cancer stem cells and seems to have a crucial role in tumor proliferation, aggressiveness and chemoresistance in these cancers. This review describes the activation mode of Shh pathway in thoracic cancers and its role in small cell lung carcinoma, non-small cell lung carcinoma and malignant pleural mesothelioma, using in vitro and in vivo models. Notably, data from literature show that inhibition of Shh pathway has an antitumor action and sensitizes to chemotherapy. PERSPECTIVES These results incite to develop targeted therapies against Shh pathway in the treatment of thoracic cancers.
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Affiliation(s)
- E Giroux Leprieur
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France; EA4340 BCOH, service de pneumologie et oncologie thoracique, hôpital Ambroise-Paré, AP-HP, université Versailles-Saint-Quentin-en-Yvelines, 92100 Boulogne-Billancourt, France
| | - M Antoine
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France
| | - T Vieira
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France; Service de pneumologie et de réanimation, hôpital Tenon, AP-HP, 4, rue de la Chine, 75970 Paris, France
| | - N Rozensztajn
- Service de pneumologie et de réanimation, hôpital Tenon, AP-HP, 4, rue de la Chine, 75970 Paris, France
| | - A-M Ruppert
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France; Service de pneumologie et de réanimation, hôpital Tenon, AP-HP, 4, rue de la Chine, 75970 Paris, France
| | - N Rabbe
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France
| | - J Cadranel
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France; Service de pneumologie et de réanimation, hôpital Tenon, AP-HP, 4, rue de la Chine, 75970 Paris, France
| | - M Wislez
- Sorbonne universités, UPMC université Paris 06, GRC n(o) 04, Theranoscan, 75252 Paris, France; Service de pneumologie et de réanimation, hôpital Tenon, AP-HP, 4, rue de la Chine, 75970 Paris, France.
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Lindskog C, Edlund K, Mattsson JSM, Micke P. Immunohistochemistry-based prognostic biomarkers in NSCLC: novel findings on the road to clinical use? Expert Rev Mol Diagn 2015; 15:471-90. [DOI: 10.1586/14737159.2015.1002772] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Singh S, Chellappan S. Lung cancer stem cells: Molecular features and therapeutic targets. Mol Aspects Med 2014; 39:50-60. [PMID: 24016594 PMCID: PMC3949216 DOI: 10.1016/j.mam.2013.08.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 08/29/2013] [Accepted: 08/29/2013] [Indexed: 12/28/2022]
Abstract
Lung cancers are highly heterogeneous and resistant to available therapeutic agents, with a five year survival rate of less than 15%. Despite significant advances in our knowledge of the genetic alterations and aberrations in signaling pathways, it has been difficult to determine the basis of lung cancer heterogeneity and drug resistance. Cancer stem cell model has attracted a significant amount of attention in recent years as a viable explanation for the heterogeneity, drug resistance, dormancy and recurrence and metastasis of various tumors. At the same time, cancer stem cells have been relatively less characterized in lung cancers. This review summarizes the current understanding of lung cancer stem cells, including their molecular features and signaling pathways that drive their stemness. This review also discusses the potential startegies to inhibit the signaling pathways driving stemness, in an effort to eradicate these cells to combat lung cancer.
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Affiliation(s)
- Sandeep Singh
- National Institute of Biomedical Genomics (NIBMG), TB Hospital Building, 2nd floor, Kalyani, West Bengal, India
| | - Srikumar Chellappan
- Department of Tumor Biology, H. Lee Moffitt cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, United States.
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Hwang J, Kang MH, Yoo YA, Quan YH, Kim HK, Oh SC, Choi YH. The effects of sonic hedgehog signaling pathway components on non-small-cell lung cancer progression and clinical outcome. World J Surg Oncol 2014; 12:268. [PMID: 25141859 PMCID: PMC4155123 DOI: 10.1186/1477-7819-12-268] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Accepted: 08/06/2014] [Indexed: 02/08/2023] Open
Abstract
Background Researchers in recent studies have reported that the sonic hedgehog (Shh) signaling pathway plays a crucial role during tumorigenesis, angiogenesis and cellular differentiation. We investigated the clinical and pathological significances of the Shh pathway and of its lymphangiogenic components in non-small-cell lung cancer (NSCLC), namely, Shh, glioma-associated oncogene homolog zinc finger protein 1 (Gli1), lymphatic vessel endothelial hyaluronan receptor 1 (LYVE-1) and vascular endothelial growth factor D (VEGF-D). Methods The expression of Shh, Gli1, LYVE-1 and VEGF-D in primary NSCLC tissue from 40 patients was examined using immunohistochemical assays, and relationships between expression and clinicopathological data, such as age, gender, histology, tumor size, nodal stage, visceral pleural invasion, lymphatic thromboembolism, recurrence and overall survival were investigated. Results Of the 40 specimens examined, 25 (62.5%), 20 (50.0%), 11 (27.5%) and 20 (50.0%) were positive for Shh, Gli1, LYVE-1 or VEGF-D expression, respectively. The expression of Gli1 and LYVE-1 were significantly associated (P = 0.011), and Shh and LYVE-1 expression was related to visceral pleural invasion and lymphatic thromboembolism, respectively (P < 0.05). Shh expression levels compared on survival curves were statistically significant in univariate logrank analysis (P = 0.020). However, other clinicopathological factors did not reveal any statistical significance in univariate and multivariate analyses. Conclusions To our knowledge, this the first report of the relationship between components of the Shh signaling pathway and prognosis in NSCLC. The expression of Shh, Gli1 and LYVE-1 was found to be associated with clinicopathological factors and survival. Thus, the overexpression of the Shh signaling pathway could serve as a predictor of malignant behavior, including lymphangiogenesis, in NSCLC.
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Affiliation(s)
| | | | | | | | - Hyun Koo Kim
- Division of Oncology/Hematology, Departments of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 97 Guro-dong kil, Guro-ku, Seoul 152-703, Republic of Korea.
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Ishikawa M, Sonobe M, Imamura N, Sowa T, Shikuma K, Date H. Expression of the GLI family genes is associated with tumor progression in advanced lung adenocarcinoma. World J Surg Oncol 2014; 12:253. [PMID: 25103784 PMCID: PMC4249769 DOI: 10.1186/1477-7819-12-253] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Accepted: 07/20/2014] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND The hedgehog (Hh) signaling pathway is aberrantly activated in various cancers. Expression of the GLI family of genes, which encode for transcriptional factors of the Hh pathway, has not been fully assessed in clinical samples of advanced lung adenocarcinoma. In this study, we retrospectively evaluated the expression of the GLI family of genes in advanced stage lung adenocarcinoma samples and determined their relation to patient survival. METHODS The levels of GLI1, GLI2, and GLI3 mRNA expression were measured by quantitative real-time polymerase chain reaction in surgically obtained tissue samples from stage II-IV lung adenocarcinoma patients (n = 102). Pairwise comparisons between all three GLI mRNA expression were performed, and after dichotomizing the patients into low and high expression groups according to each GLI mRNA expression level, survival curves were calculated and multivariate analyses were conducted. RESULTS Significant positive correlation was found between GLI1 and GLI3 mRNA expression (P <0.001). Tumors with higher expression (upper 15%) of GLI1 or GLI3 mRNA were associated with poor survival in stage II-IV (5-year overall survival rates: GLI1 mRNA low, 41.7% vs. high, 20.0%, P = 0.0074; GLI3 mRNA low, 43.1% vs. high, 13.3%, P = 0.0062) and stage III-IV (5-year overall survival rates: GLI1 mRNA low, 34.0% vs. high, 0%, P = 0.0012; GLI3 mRNA low, 33.4% vs. high, 7.7%, P = 0.057) lung adenocarcinoma patients. GLI2 mRNA expression did not appear to have great clinical significance. Multivariate analysis revealed higher GLI1 mRNA expression as an independent factor for unfavorable patient survival (P = 0.0030, hazard ratio = 3.1, 95% confidence interval = 1.5-6.2), as well as tumor differentiation and stage. CONCLUSIONS Expression of GLI1 and GLI3 mRNA was strongly correlated, and their overexpression, especially that of GLI1, was found to be predictive of aggressive tumor behavior. This study indicates that the Hh pathway may be a key oncogenic signaling network in tumor pathogenesis and, thus, a potential therapeutic target in advanced lung adenocarcinoma.
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Affiliation(s)
- Masashi Ishikawa
- Department of Thoracic Surgery, Faculty of Medicine, Kyoto University, 54 Shogoin-kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan.
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Weiss GJ, Ganeshan B, Miles KA, Campbell DH, Cheung PY, Frank S, Korn RL. Noninvasive image texture analysis differentiates K-ras mutation from pan-wildtype NSCLC and is prognostic. PLoS One 2014; 9:e100244. [PMID: 24987838 PMCID: PMC4079229 DOI: 10.1371/journal.pone.0100244] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2014] [Accepted: 05/25/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Non-invasive characterization of a tumor's molecular features could enhance treatment management. Quantitative computed tomography (CT) based texture analysis (QTA) has been used to derive tumor heterogeneity information, and the appearance of the tumors has been shown to relate to patient outcome in non-small cell lung cancer (NSCLC) and other cancers. In this study, we examined the potential of tumoral QTA to differentiate K-ras mutant from pan-wildtype tumors and its prognostic potential using baseline pre-treatment non-contrast CT imaging in NSCLC. METHODS Tumor DNA from patients with early-stage NSCLC was analyzed on the LungCarta Panel. Cases with a K-ras mutation or pan-wildtype for 26 oncogenes and tumor suppressor genes were selected for QTA. QTA was applied to regions of interest in the primary tumor. Non-parametric Mann Whitney test assessed the ability of the QTA, clinical and patient characteristics to differentiate between K-ras mutation from pan-wildtype. A recursive decision tree was developed to determine whether the differentiation of K-ras mutant from pan-wildtype tumors could be improved by sequential application of QTA parameters. Kaplan-Meier survival analysis assessed the ability of these markers to predict survival. RESULTS QTA was applied to 48 cases identified, 27 had a K-ras mutation and 21 cases were pan-wildtype. Positive skewness and lower kurtosis were significantly associated with the presence of a K-ras mutation. A five node decision tree had sensitivity, specificity, and accuracy values (95% CI) of 96.3% (78.1-100), 81.0% (50.5-97.4), and 89.6% (72.9-97.0); respectively. Kurtosis was a significant predictor of OS and DFS, with a lower kurtosis value linked with poorer survival. CONCLUSIONS Lower kurtosis and positive skewness are significantly associated with K-ras mutations. A QTA feature such as kurtosis is prognostic for OS and DFS. Non-invasive QTA can differentiate the presence of K-ras mutation from pan-wildtype NSCLC and is associated with patient survival.
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Affiliation(s)
- Glen J. Weiss
- Cancer Treatment Centers of America, Goodyear, Arizona, United States of America
- The Translational Genomics Research Institute (TGen), Phoenix, Arizona, United States of America
| | - Balaji Ganeshan
- Institute of Nuclear Medicine, University College London, United Kingdom
| | - Kenneth A. Miles
- Institute of Nuclear Medicine, University College London, United Kingdom
| | - David H. Campbell
- Imaging Endpoints Core Lab, Scottsdale, Arizona, United States of America
| | - Philip Y. Cheung
- The Translational Genomics Research Institute (TGen), Phoenix, Arizona, United States of America
| | - Samuel Frank
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona, United States of America
| | - Ronald L. Korn
- Imaging Endpoints Core Lab, Scottsdale, Arizona, United States of America
- Virginia G. Piper Cancer Center Clinical Trials at Scottsdale Healthcare, Scottsdale, Arizona, United States of America
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Yue D, Li H, Che J, Zhang Y, Tseng HHK, Jin JQ, Luh TM, Giroux-Leprieur E, Mo M, Zheng Q, Shi H, Zhang H, Hao X, Wang C, Jablons DM, He B. Hedgehog/Gli promotes epithelial-mesenchymal transition in lung squamous cell carcinomas. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2014; 33:34. [PMID: 24758269 PMCID: PMC4029998 DOI: 10.1186/1756-9966-33-34] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Accepted: 04/15/2014] [Indexed: 01/05/2023]
Abstract
Background Squamous cell carcinomas (SCC) account for approximately 30% of non-small cell lung cancer. Investigation of the mechanism of invasion and metastasis of lung SCC will be of great help for the development of meaningful targeted therapeutics. This study is intended to understand whether the activation of Hedgehog (Hh) pathway is involved in lung SCC, and whether activated Hh signaling regulates metastasis through epithelial-mesenchymal transition (EMT) in lung SCC. Methods Two cohorts of patients with lung SCC were studied. Protein expression was examined by immunohistochemistry, Western blot, or immunofluorescence. Protein expression levels in tissue specimens were scored and correlations were analyzed. Vismodegib and a Gli inhibitor were used to inhibit Shh/Gli activity, and recombinant Shh proteins were used to stimulate the Hh pathway in lung SCC cell lines. Cell migration assay was performed in vitro. Results Shh/Gli pathway components were aberrantly expressed in lung SCC tissue samples. Gli1 expression was reversely associated with the expression of EMT markers E-Cadherin and β-Catenin in lung SCC specimens. Inhibition of the Shh/Gli pathway suppressed migration and up-regulated E-Cadherin expression in lung SCC cells. Stimulation of the pathway increased migration and down-regulated E-Cadherin expression in lung SCC cells. Conclusions Our results suggested that the Shh/Gli pathway may be critical for lung SCC recurrence, metastasis and resistance to chemotherapy. Inhibition of the Shh/Gli pathway activity/function is a potential therapeutic strategy for the treatment of lung SCC patients.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Xishan Hao
- Department of Lung Cancer, Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Tianjin 300060, China.
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Hinterseher U, Wunderlich A, Roth S, Ramaswamy A, Bartsch DK, Hauptmann S, Greene BH, Fendrich V, Hoffmann S. Expression of hedgehog signalling pathway in anaplastic thyroid cancer. Endocrine 2014; 45:439-47. [PMID: 23860623 DOI: 10.1007/s12020-013-0015-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2013] [Accepted: 07/04/2013] [Indexed: 12/26/2022]
Abstract
The purpose of this work is to study the activation of the hedgehog signalling pathway is associated with tumour progression in various types of cancer, hence the development of specific antagonists raises hope for new therapeutic strategies. Therefore, the expression of hedgehog pathway components in anaplastic thyroid cancer (ATC) and effects of the hedgehog inhibitor Cyclopamine on ATC cells were investigated in this study. Expression of the ligand Sonic Hedgehog (SHh), the transmembrane protein Smoothened (Smo), the receptor Patched (Ptc) and the target gene Gli-1 was evaluated in two ATC cell lines (Hth 74, C643) by RT-PCR and in tumour specimens by immunohistochemistry. The corresponding gene products were examined by western blotting analysis. After treatment with different concentrations of Cyclopamine the time-dependent course of cell viability in ATC cell lines was evaluated by MTT assay. SHh, Smo, Ptc and Gli were clearly expressed on mRNA and protein levels in both cell lines and in tumour samples (41 %SHh, 65 %Smo, 65 %Ptc and 65 %Gli). Treatment with Cyclopamine showed a time- and dose-dependent inhibition of cell numbers with IC50 values between 1 and 4 μM in both cell lines, comparable to other types of cancer. In conclusion, we believe that the hedgehog pathway is expressed in anaplastic thyroid carcinoma specimens and proliferation of ATC cell lines can be influenced by the Hh inhibitor Cyclopamine. Aberrant activation of this pathway might be involved in the aggressive biology of anaplastic cancer and further evaluation regarding a possible clinical impact of pathway inhibition is warranted.
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Affiliation(s)
- Ulrike Hinterseher
- Department of Visceral, Thoracic- and Vascular Surgery, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany
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Huang L, Walter V, Hayes DN, Onaitis M. Hedgehog-GLI signaling inhibition suppresses tumor growth in squamous lung cancer. Clin Cancer Res 2014; 20:1566-75. [PMID: 24423612 DOI: 10.1158/1078-0432.ccr-13-2195] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE Lung squamous cell carcinoma (LSCC) currently lacks effective targeted therapies. Previous studies reported overexpression of Hedgehog (HH)-GLI signaling components in LSCC. However, they addressed neither the tumor heterogeneity nor the requirement for HH-GLI signaling. Here, we investigated the role of HH-GLI signaling in LSCC, and studied the therapeutic potential of HH-GLI suppression. EXPERIMENTAL DESIGN Gene expression datasets of two independent LSCC patient cohorts were analyzed to study the activation of HH-GLI signaling. Four human LSCC cell lines were examined for HH-GLI signaling components. Cell proliferation and apoptosis were assayed in these cells after blocking the HH-GLI pathway by lentiviral-shRNA knockdown or small-molecule inhibitors. Xenografts in immunodeficient mice were used to determine the in vivo efficacy of GLI inhibitor GANT61. RESULTS In both cohorts, activation of HH-GLI signaling was significantly associated with the classical subtype of LSCC. In cell lines, genetic knockdown of Smoothened (SMO) produced minor effects on cell survival, whereas GLI2 knockdown significantly reduced proliferation and induced extensive apoptosis. Consistently, the SMO inhibitor GDC-0449 resulted in limited cytotoxicity in LSCC cells, whereas the GLI inhibitor GANT61 was very effective. Importantly, GANT61 demonstrated specific in vivo antitumor activity in xenograft models of GLI(+) cell lines. CONCLUSION Our studies demonstrate an important role for GLI2 in LSCC, and suggest GLI inhibition as a novel and potent strategy to treat a subset of patients with LSCC.
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Affiliation(s)
- Lingling Huang
- Authors' Affiliations: Department of Surgery, Duke University, Durham and Department of Medicine, University of North Carolina, Chapel Hill, North Carolina
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Rani S, Gately K, Crown J, O'Byrne K, O'Driscoll L. Global analysis of serum microRNAs as potential biomarkers for lung adenocarcinoma. Cancer Biol Ther 2013; 14:1104-12. [PMID: 24025412 DOI: 10.4161/cbt.26370] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Early diagnosis and the ability to predict the most relevant treatment option for individuals is essential to improve clinical outcomes for non-small cell lung cancer (NSCLC) patients. Adenocarcinoma (ADC), a subtype of NSCLC, is the single biggest cancer killer and therefore an urgent need to identify minimally invasive biomarkers to enable early diagnosis. Recent studies, by ourselves and others, indicate that circulating miRNAs have potential as biomarkers. Here we applied global profiling approaches in serum from patients with ADC of the lung to explore if miRNAs have potential as diagnostic biomarkers. This study involved RNA isolation from 80 sera specimens including those from ADC patients (equal numbers of stages 1, 2, 3, and 4) and age- and gender-matched controls (n = 40 each). Six hundred and sixty-seven miRNAs were co-analyzed in these specimens using TaqMan low density arrays and qPCR validation using individual miRNAs. Overall, approximately 390 and 370 miRNAs were detected in ADC and control sera, respectively. A group of 6 miRNAs, miR-30c-1* (AUC = 0.74; P<0.002), miR-616* (AUC = 0.71; P = 0.001), miR-146b-3p (AUC = 0.82; P<0.0001), miR-566 (AUC = 0.80; P<0.0001), miR-550 (AUC = 0.72; P = 0.0006), and miR-939 (AUC = 0.82; P<0.0001) was found to be present at substantially higher levels in ADC compared with control sera. Conversely, miR-339-5p and miR-656 were detected at substantially lower levels in ADC sera (co-analysis resulting in AUC = 0.6; P = 0.02). Differences in miRNA profile identified support circulating miRNAs having potential as diagnostic biomarkers for ADC. More extensive studies of ADC and control serum specimens are warranted to independently validate the potential clinical relevance of these miRNAs as minimally invasive biomarkers for ADC.
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Affiliation(s)
- Sweta Rani
- School of Pharmacy & Pharmaceutical Sciences and Trinity Biomedical Sciences Institute; Trinity College Dublin; Dublin, Ireland
| | - Kathy Gately
- Institute of Molecular Medicine; Trinity Centre for Health Sciences; St. James's Hospital; Trinity College Dublin; Dublin, Ireland
| | - John Crown
- Molecular Therapeutics for Cancer Ireland (MTCI) & St. Vincent's University Hospital; Dublin, Ireland
| | - Ken O'Byrne
- Institute of Molecular Medicine; Trinity Centre for Health Sciences; St. James's Hospital; Trinity College Dublin; Dublin, Ireland
| | - Lorraine O'Driscoll
- School of Pharmacy & Pharmaceutical Sciences and Trinity Biomedical Sciences Institute; Trinity College Dublin; Dublin, Ireland
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Positive ALDH1A3 and negative GPX3 expressions are biomarkers for poor prognosis of gallbladder cancer. DISEASE MARKERS 2013; 35:163-72. [PMID: 24167362 PMCID: PMC3774968 DOI: 10.1155/2013/187043] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Accepted: 06/28/2013] [Indexed: 12/29/2022]
Abstract
BACKGROUND Gallbladder cancers (GBCs) are highly aggressive cancers with high mortality. However, biological markers for the progression and prognosis of GBC are currently unavailable in the clinic. OBJECTIVE To identify biomarkers for predicting GBC metastasis and prognosis. METHODS We examined ALDH1A3 and GPX3 expressions in 46 squamous cell/adenosquamous carcinomas (SC/ASC) and 80 adenocarcinomas (AC) by using immunohistochemistry. RESULTS Positive ALDH1A3 and negative GPX3 expressions were significantly associated with lymph node metastasis and invasion of SC/ASCs and ACs. Univariate Kaplan-Meier analysis showed that either positive ALDH1A3 (P < 0.001) or negative GPX3 (P < 0.001) expression significantly correlated with decreased overall survival in both SC/ASC and AC patients. Multivariate Cox regression analysis showed that positive ALDH1A3 expression or negative GPX3 expression was an independent poor-prognostic predictor in both SC/ASC and AC patients. CONCLUSIONS Our study suggested that positive ALDH1A3 and negative GPX3 expressions are closely associated with clinical pathological behaviors and poor prognosis of gallbladder cancer.
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Kim JE, Kim H, Choe JY, Sun P, Jheon S, Chung JH. High expression of Sonic hedgehog signaling proteins is related to the favorable outcome, EGFR mutation, and lepidic predominant subtype in primary lung adenocarcinoma. Ann Surg Oncol 2013; 20 Suppl 3:S570-6. [PMID: 23709101 DOI: 10.1245/s10434-013-3022-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Indexed: 01/01/2023]
Abstract
BACKGROUND Dysregulation of the Sonic hedgehog (SHH) signaling pathway has been identified in many human malignancies. However, it remains unclear whether this pathway is activated in human lung adenocarcinoma. METHODS We investigated the expression of the SHH ligand and its downstream molecules, such as glioma-associated oncogene homologue (GLI)-1, GLI-2, GLI-3, and ATP-binding cassette G2 (ABCG2), in 166 cases of surgically resected lung adenocarcinoma by immunohistochemistry. Correlations between the expression of SHH-related proteins and clinicopathologic parameters, histologic subtypes, and prognostic significance were statistically analyzed. RESULTS SHH was highly expressed in the 36.1 % (60/166), GLI-1, GLI-2, and ABCG2 were found in 90/164 (54.9 %), 26/166 (15.7 %), and 139/165 (84.2 %), respectively, and GLI-3 was positive in all cases. SHH was more frequently highly expressed in nonsmokers, patients with no recurrences, lepidic predominant subtype, and with EGFR mutation (p < 0.05, respectively). The high expression of SHH and GLI-1 was related to better overall survival and progression-free survival (p < 0.05). CONCLUSIONS The SHH signaling pathway is frequently up-regulated in a subset of lung adenocarcinoma and is significantly associated with EGFR mutation and lepidic subtype. Although SHH signaling protein expression is not an independent prognostic marker, the expression of these proteins can predict a better prognostic outcome.
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Affiliation(s)
- Ji Eun Kim
- Department of Pathology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, 463-707, Republic of Korea
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Zarogoulidis P, Zarampouka K, Huang H, Darwiche K, Huang Y, Sakkas A, Zarogoulidis K. Hedgehog signaling pathway: the must, the maybe and the unknown. J Thorac Dis 2013; 5:195-7. [PMID: 23585948 DOI: 10.3978/j.issn.2072-1439.2013.03.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Accepted: 03/07/2013] [Indexed: 01/07/2023]
Abstract
Lung cancer treatment consists from the basic chemotherapeutic drugs (e.g., platinum analogues) and from pharmaceuticals targeting the different genome of lung tumors (e.g., tyrosine kinase inhibitors). During the last years pharmaceuticals targeting the tumor mutations are approved for first line treatment since they have provided increased overall survival in comparison to standard chemotherapy treatment. Furthermore, due to the increased interest in unrevealing the mechanisms of cell mutation, tumor evolution and tumor cell maintenance the hedgehog pathway has been elicited. Along with Notch and Wnt these three pathways are responsible for progenitor cell development and pulmonary organogenesis. Inhibitors of this pathway have been discovered and their application in the clinical practice is being investigated. However, further understanding of the mechanisms of regulation is needed.
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Affiliation(s)
- Paul Zarogoulidis
- Pulmonary Department-Oncology Unit, "G. Papanikolaou" General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Yang W, Liu X, Choy E, Mankin H, Hornicek FJ, Duan Z. Targeting hedgehog-GLI-2 pathway in osteosarcoma. J Orthop Res 2013; 31:502-9. [PMID: 22968906 DOI: 10.1002/jor.22230] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Accepted: 08/23/2012] [Indexed: 02/04/2023]
Abstract
Osteosarcoma is the most common primary malignant tumor of bone. Patients with localized osteosarcoma are routinely treated with chemotherapy and surgery. However, many of these patients eventually relapse after these treatments. In such cases, there are limited treatment options for these patients and most will eventually die with metastatic disease. Therefore, it is imperative to identify better therapeutic strategies. Hedgehog-GLI is responsible for the development of vertebrate embryonic and tumorigenesis. Specifically, the transcription factor, GLI-2, plays a key role in development of normal prostate. Aberrant activation of GLI-2 is correlated with various malignancies. We observe that GLI-2 is highly expressed in osteosarcoma cell lines, and this correlates with poor clinical outcomes in patients. Knockdown of GLI-2 by siRNA decreases osteosarcoma cell proliferation and viability, which eventually induces cell death as revealed in both in 2D and 3D cultures. In addition, we notice that administration of GLI-2 siRNA can increase the sensitivity of osteosarcoma cells to chemotherapeutic drugs. These findings suggest GLI-2 is required for osteosarcoma cell proliferation and survival. GLI-2 may be exploited as a therapeutic target for the treatment of osteosarcoma patients.
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Affiliation(s)
- Wen Yang
- Sarcoma Biology Laboratory, Center for Sarcoma and Connective Tissue Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
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Savani M, Guo Y, Carbone DP, Csiki I. Sonic hedgehog pathway expression in non-small cell lung cancer. Ther Adv Med Oncol 2012; 4:225-33. [PMID: 22942905 DOI: 10.1177/1758834012450362] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE Activation of the hedgehog pathway is an important signaling mechanism crucial in embryogenesis and has strong links to carcinogenesis. This study investigates the expression of the Sonic hedgehog pathway molecules in non-small cell lung tumors as it relates to clinical outcome of various non-small cell lung cancers. METHODS A tissue microarray with 81 samples from 42 patients with various non-small cell lung cancer histologies was examined without the aid of laser microdissection. All samples were stained with antibodies directed against Sonic hedgehog, Ptch-1, Smoothened, and Gli-1. RESULTS Most of the tumor samples showed negative to weak expression of the pathway proteins (Sonic hedgehog, 38% negative to 20% weak; Ptch-1, 100% negative; Smoothened, 69% negative to 7% weak; Gli-1, 57% negative to 5% weak) compared with higher expression in normal lung epithelial cells. CONCLUSION The same pathway expression did not correlate with clinical outcome. While our results do not provide any indication that the pathway molecules are correlated to overall patient survival possibly due to the limited sample size, our study shows minimum overexpression of Sonic hedgehog pathway in non-small cell lung cancer and this did not correlate clinically with patient outcome.
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Affiliation(s)
- Malvi Savani
- Division of Radiation Oncology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
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Ehrlichiosis: a cause of bone marrow hypoplasia in humans. Clin Dev Immunol 1988; 2012:708036. [PMID: 22693526 PMCID: PMC3369436 DOI: 10.1155/2012/708036] [Citation(s) in RCA: 339] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Accepted: 04/01/2012] [Indexed: 12/11/2022]
Abstract
Cancer stem cell population is a subset of cells capable of dictating invasion, metastasis, heterogeneity, and therapeutic resistance in tumours. Eradication of this rare population is a new insight in cancer treatment. However, prospective identification, characterization, and isolation of these CSCs have been a major challenge. Many studies were performed on surface markers for potential identification and isolation of CSCs. Lack of universal expression of surface markers limits their usage and no best combination of markers has yet been confirmed to identify CSCs capable of initiating and metastasizing tumours. CD44, a hyaluronic acid receptor, is one of the most commonly studied surface markers, which is expressed by almost every tumour cell. CD24, a heat stable antigen, is another surface marker expressed in many tumour types. However, their expression and prognostic value in isolating CSCs are still an enduring ambiguity. In this critical review, we assess the role of CD44 and CD24 in tumour initiation, development, and metastasis. We mainly focus on analysing the significance of CD44 and CD24 as CSC surface markers in combination or with other putative markers in different types of cancer.
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