1
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USP15 negatively regulates lung cancer progression through the TRAF6-BECN1 signaling axis for autophagy induction. Cell Death Dis 2022; 13:348. [PMID: 35422093 PMCID: PMC9010460 DOI: 10.1038/s41419-022-04808-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 03/17/2022] [Accepted: 03/30/2022] [Indexed: 12/22/2022]
Abstract
TNF receptor-associated factor 6 (TRAF6)-BECN1 signaling axis plays a pivotal role in autophagy induction through ubiquitination of BECN1, thereby inducing lung cancer migration and invasion in response to toll-like receptor 4 (TLR4) stimulation. Herein, we provide novel molecular and cellular mechanisms involved in the negative effect of ubiquitin-specific peptidase 15 (USP15) on lung cancer progression. Clinical data of the TCGA and primary non-small cell lung cancer (NSCLC) patients (n = 41) revealed that the expression of USP15 was significantly downregulated in lung cancer patients. Importantly, USP15-knockout (USP15KO) A549 and USP15KO H1299 lung cancer cells generated with CRISPR-Cas9 gene-editing technology showed increases in cancer migration and invasion with enhanced autophagy induction in response to TLR4 stimulation. In addition, biochemical studies revealed that USP15 interacted with BECN1, but not with TRAF6, and induced deubiquitination of BECN1, thereby attenuating autophagy induction. Notably, in primary NSCLC patients (n = 4) with low expression of USP15, 10 genes (CCNE1, MMP9, SFN, UBE2C, CCR2, FAM83A, ETV4, MYO7A, MMP11, and GSDMB) known to promote lung cancer progression were significantly upregulated, whereas 10 tumor suppressor genes (FMO2, ZBTB16, FCN3, TCF21, SFTPA1B, HPGD, SOSTDC1, TMEM100, GDF10, and WIF1) were downregulated, providing clinical relevance of the functional role of USP15 in lung cancer progression. Taken together, our data demonstrate that USP15 can negatively regulate the TRAF6-BECN1 signaling axis for autophagy induction. Thus, USP15 is implicated in lung cancer progression.
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2
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Li B, Wang P, Jiao J, Wei H, Xu W, Zhou P. Roles of the RANKL-RANK Axis in Immunity-Implications for Pathogenesis and Treatment of Bone Metastasis. Front Immunol 2022; 13:824117. [PMID: 35386705 PMCID: PMC8977491 DOI: 10.3389/fimmu.2022.824117] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 02/16/2022] [Indexed: 12/13/2022] Open
Abstract
A substantial amount patients with cancer will develop bone metastases, with 70% of metastatic prostate and breast cancer patients harboring bone metastasis. Despite advancements in systemic therapies for advanced cancer, survival remains poor for those with bone metastases. The interaction between bone cells and the immune system contributes to a better understanding of the role that the immune system plays in the bone metastasis of cancer. The immune and bone systems share various molecules, including transcription factors, signaling molecules, and membrane receptors, which can stimulate the differentiation and activation of bone-resorbing osteoclasts. The process of cancer metastasis to bone, which deregulates bone turnover and results in bone loss and skeletal-related events (SREs), is also controlled by primary cancer-related factors that modulate the intratumoral microenvironment as well as cellular immune process. The nuclear factor kappa B ligand (RANKL) and the receptor activator of nuclear factor kappa B (RANK) are key regulators of osteoclast development, bone metabolism, lymph node development, and T-cell/dendritic cell communication. RANKL is an osteoclastogenic cytokine that links the bone and the immune system. In this review, we highlight the role of RANKL and RANK in the immune microenvironment and bone metastases and review data on the role of the regulatory mechanism of immunity in bone metastases, which could be verified through clinical efficacy of RANKL inhibitors for cancer patients with bone metastases. With the discovery of the specific role of RANK signaling in osteoclastogenesis, the humanized monoclonal antibody against RANKL, such as denosumab, was available to prevent bone loss, SREs, and bone metastases, providing a unique opportunity to target RANKL/RANK as a future strategy to prevent bone metastases.
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Affiliation(s)
- Bo Li
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Pengru Wang
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jian Jiao
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Haifeng Wei
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Wei Xu
- Department of Orthopedic Oncology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Pingting Zhou
- Department of Radiation Oncology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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3
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Liao R, Ma QZ, Zhou CY, Li JJ, Weng NN, Yang Y, Zhu Q. Identification of biomarkers related to Tumor-Infiltrating Lymphocytes (TILs) infiltration with gene co-expression network in colorectal cancer. Bioengineered 2021; 12:1676-1688. [PMID: 33960283 PMCID: PMC8806250 DOI: 10.1080/21655979.2021.1921551] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Colorectal cancer (CRC) is one of the most common tumors, ranking second in the global cause of death from cancer. The prognosis of advanced patients is still very poor. In this study, hub modules with the highest association with tumor-infiltrating immune cells were identified by weighted gene co-expression network analysis based on CRC expression data from the Gene Expression Omnibus database. Next, three hub genes (ADAM8, IL-1A, VAV3) related to infiltrating immune cells were identified by co-expression network and prognostic analysis. After analysis and verification of the TIMER database, ADAM8 was selected as a prognostic biomarker. Finally, the result of functional test showed that ADAM8 gene expression down-regulation partially reversed the immune tolerance of CRC cells to TILs. By bioinformatics analysis methods and the experimental techniques, we identified ADAM8 as a prognostic biomarker and clinical therapeutic target related to tumor-infiltrating immune cells in CRC.
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Affiliation(s)
- Rong Liao
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan, P.R. China
| | - Qi-Zhi Ma
- Department of Thoracic Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan P.R. China
| | - Cong-Ya Zhou
- Department of Radiation Oncology, The First Affiliated Hospital, College of Medical, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Jun-Jun Li
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan, P.R. China
| | - Ning-Na Weng
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yang Yang
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan, P.R. China
| | - Qing Zhu
- Department of Abdominal Oncology, West China Hospital of Sichuan University, Chengdu, Sichuan, P.R. China
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4
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Vatanabe IP, Pedroso RV, Manzine PR, Chagas MHN, de Morais Fabrício D, Grigoli MM, Naves MA, Pott-Jr H, Cominetti MR. ADAM10: Biomarker of mild cognitive impairment but not of cognitive frailty. Exp Gerontol 2021; 149:111303. [PMID: 33675901 DOI: 10.1016/j.exger.2021.111303] [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: 01/21/2021] [Revised: 02/25/2021] [Accepted: 03/01/2021] [Indexed: 10/22/2022]
Abstract
Mild cognitive impairment (MCI) associated with physical frailty gave rise to the new concept of cognitive frailty. Previous studies have suggested that MCI may represent a condition that precedes Alzheimer's disease (AD), in view of its higher conversion rate to dementia, when compared with the conversion rate of cognitively healthy older adults. Therefore, and considering that MCI represents a reversible condition, the identification of biomarkers for this condition is imperative to early diagnosis. Accordingly, this study aimed to assess whether the platelet and plasma levels of ADAM10 could be related with the concomitant conditions of MCI and physical frailty, in order to support a new blood-based biomarker for the construct of cognitive frailty. Sixty-one adults aged 60 years or older participated in this study. The results showed that ADAM10 levels are reduced in platelets (p < 0.05) and increased in plasma (p < 0.05) of older adults with MCI compared to healthy controls, regardless of the physical frailty condition. The analysis of the ROC curve of ADAM10 in platelets showed sensitivity and specificity of 72.7 and 73.9%, respectively, to correct differentiate between participants with preserved cognition from those with MCI. For plasma samples, ADAM10 presented 62.5 and 90.0%, sensitivity and specificity respectively, to differentiate the aforementioned conditions. Together with other clinical criteria blood ADAM10 could be a relevant, low-invasive, low-cost and fast processing biomarker tool to help in the early and accurate diagnosis of MCI, however this marker was not able to identify cognitive frailty.
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Affiliation(s)
- Izabela Pereira Vatanabe
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Renata Valle Pedroso
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Patricia Regina Manzine
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Marcos Hortes Nisihara Chagas
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Daiene de Morais Fabrício
- Department of Psychology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Marina Mantellatto Grigoli
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Marina Araújo Naves
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Henrique Pott-Jr
- Deparment of Medicine, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil
| | - Marcia Regina Cominetti
- Department of Gerontology, Federal University of São Carlos (UFSCar), Rod. Washignton Luis, Km 235, Monjolinho, São Carlos, SP 13565-905, Brazil.
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Abstract
Bone is the most frequent site for metastasis for many cancers, notably for tumours originating in the breast and the prostate. Tumour cells can escape from the primary tumour site and colonize the bone microenvironment. Within the bone, these disseminated tumour cells, as well as those arising in the context of multiple myeloma, may assume a state of dormancy, remaining quiescent for years before resuming proliferation and causing overt metastasis, which causes bone destruction via activation of osteoclast-mediated osteolysis. This structural damage can lead to considerable morbidity, including pain, fractures and impaired quality of life. Although treatment of bone metastases and myeloma bone disease is rarely curative, disease control is often possible for many years through the use of systemic anticancer treatments on a background of multidisciplinary supportive care. This care should include bone-targeted agents to inhibit tumour-associated osteolysis and prevent skeletal morbidity as well as use of appropriate local treatments such as radiation therapy, orthopaedic surgery and specialist palliative care to minimize the impact of metastatic bone disease on physical functioning. In this Primer, we provide an overview of the clinical features, the pathophysiology and the specific treatment approaches to prevent and treat bone metastases from solid tumours as well as myeloma bone disease.
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6
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Brent JM, Tian Z, Shofer FS, Martin JT, Yao L, Acharte C, Chen YH, Qin L, Enomoto-Iwamoto M, Zhang Y. Influence of Genetic Background and Sex on Gene Expression in the Mouse ( Mus musculus) Tail in a Model of Intervertebral Disc Injury. Comp Med 2020; 70:131-139. [PMID: 32156324 PMCID: PMC7137552 DOI: 10.30802/aalas-cm-19-000034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/08/2019] [Accepted: 07/26/2019] [Indexed: 11/05/2022]
Abstract
To facilitate rational experimental design and fulfill the NIH requirement of including sex as a biologic variable, we examined the influences of genetic background and sex on responses to intervertebral disc (IVD) injury in the mouse tail. The goal of this study was to compare gene expression and histologic changes in response to a tail IVD injury (needle puncture) in male and female mice on the DBA and C57BL/6 (B6) backgrounds. We hypothesized that extracellular matrix gene expression in response to IVD injury differs between mice of different genetic backgrounds and sex. Consistent changes were detected in gene expression and histologic features after IVD injury in mice on both genetic backgrounds and sexes. In particular, expression of col1a1 and adam8 was higher in the injured IVD of DBA mice than B6 mice. Conversely, col2a1 expression was higher in B6 mice than DBA mice. Sex-associated differences were significant only in B6 mice, in which col2a1 expression was greater in male mice than in female. Histologic differences in response to injury were not apparent between DBA and B6 mice or between males and females. In conclusion, mouse tail IVD showed sex- and strain-related changes in gene expression and histology after needle puncture. The magnitude of change in gene expression differed with regard to genetic background and, to a lesser degree, sex.
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Affiliation(s)
- Julie M Brent
- University Laboratory Animal Resources, University of Pennsylvania, Philadelphia, Pennsylvania;,
| | - Zuozhen Tian
- Departments of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Frances S Shofer
- Departments of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - John T Martin
- Departments of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Translational Musculoskeletal Research Center, Corporal Michael J Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania
| | - Lutian Yao
- Departments of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Department of Orthopaedics-Sports Medicine and Joint Surgery, First Affiliated Hospital, China Medical University, Shenyang, Liaoning, China
| | - Christian Acharte
- Departments of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Youhai H Chen
- Departments of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ling Qin
- Departments of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Motomi Enomoto-Iwamoto
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland
| | - Yejia Zhang
- Departments of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Departments of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Translational Musculoskeletal Research Center, Corporal Michael J Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania
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7
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Ajona D, Zandueta C, Corrales L, Moreno H, Pajares MJ, Ortiz-Espinosa S, Martínez-Terroba E, Perurena N, de Miguel FJ, Jantus-Lewintre E, Camps C, Vicent S, Agorreta J, Montuenga LM, Pio R, Lecanda F. Blockade of the Complement C5a/C5aR1 Axis Impairs Lung Cancer Bone Metastasis by CXCL16-mediated Effects. Am J Respir Crit Care Med 2019; 197:1164-1176. [PMID: 29327939 DOI: 10.1164/rccm.201703-0660oc] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
RATIONALE C5aR1 (CD88), a receptor for complement anaphylatoxin C5a, is a potent immune mediator. Its impact on malignant growth and dissemination of non-small cell lung cancer cells is poorly understood. OBJECTIVES To investigate the contribution of the C5a/C5aR1 axis to the malignant phenotype of non-small cell lung cancer cells, particularly in skeletal colonization, a preferential lung metastasis site. METHODS Association between C5aR1 expression and clinical outcome was assessed in silico and validated by immunohistochemistry. Functional significance was evaluated by lentiviral gene silencing and ligand l-aptamer inhibition in in vivo models of lung cancer bone metastasis. In vitro functional assays for signaling, migration, invasion, metalloprotease activity, and osteoclastogenesis were also performed. MEASUREMENTS AND MAIN RESULTS High levels of C5aR1 in human lung tumors were significantly associated with shorter recurrence-free survival, overall survival, and bone metastasis. Silencing of C5aR1 in lung cancer cells led to a substantial reduction in skeletal metastatic burden and osteolysis in in vivo models. Furthermore, metalloproteolytic, migratory, and invasive tumor cell activities were modulated in vitro by C5aR1 stimulation or gene silencing. l-Aptamer blockade or C5aR1 silencing significantly reduced the osseous metastatic activity of lung cancer cells in vivo. This effect was associated with decreased osteoclastogenic activity in vitro and was rescued by the exogenous addition of the chemokine CXCL16. CONCLUSIONS Disruption of C5aR1 signaling in lung cancer cells abrogates their tumor-associated osteoclastogenic activity, impairing osseous colonization. This study unveils the role played by the C5a/C5aR1 axis in lung cancer dissemination and supports its potential use as a novel therapeutic target.
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Affiliation(s)
- Daniel Ajona
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,4 Department of Biochemistry and Genetics, School of Sciences, and
| | - Carolina Zandueta
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain
| | - Leticia Corrales
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain
| | - Haritz Moreno
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain
| | - María J Pajares
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Sergio Ortiz-Espinosa
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,4 Department of Biochemistry and Genetics, School of Sciences, and
| | - Elena Martínez-Terroba
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Naiara Perurena
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain
| | - Fernando J de Miguel
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,4 Department of Biochemistry and Genetics, School of Sciences, and
| | - Eloisa Jantus-Lewintre
- 3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,6 Molecular Oncology Laboratory, Fundación Investigación, Hospital General Universitario de Valencia, Valencia, Spain.,7 Department of Biotechnology, Universitat Politècnica de València, Valencia, Spain
| | - Carlos Camps
- 3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,6 Molecular Oncology Laboratory, Fundación Investigación, Hospital General Universitario de Valencia, Valencia, Spain.,8 Department of Medical Oncology, Hospital General Universitario de Valencia, Valencia, Spain; and.,9 Department of Medicine, Universitat de València, Valencia, Spain
| | - Silvestre Vicent
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Jackeline Agorreta
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Luis M Montuenga
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - Ruben Pio
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,4 Department of Biochemistry and Genetics, School of Sciences, and
| | - Fernando Lecanda
- 1 Center for Applied Medical Research, Program in Solid Tumors and Biomarkers, Pamplona, Spain.,2 IdiSNA (Navarra Institute for Health Research), Pamplona, Spain.,3 CIBERONC (Centro de Investigación Biomédica en Red de Cáncer), Spain.,5 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
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8
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ADAM8 promotes chondrosarcoma cell migration and invasion by activating the NF-κB/MMP-13 signaling axis. Anticancer Drugs 2019; 30:e0790. [PMID: 31305294 DOI: 10.1097/cad.0000000000000790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
ADAM8 is reported to promote extracellular matrix degradation to provide conditions for tumor metastasis. However, the underlying mechanism of ADAM8 in modulating chondrosarcoma (CHS) metastasis remains unclear. We used two human CHS cell lines SW1353 and HCS-2/8 to analyze the expression profiles of ADAM8 in CHS cells compared with the normal chondrocytes. An important proteolytic enzyme MMP-13 was detected as a marker for extracellular matrix degradation in chondrocytes. Then, by silencing or overexpressing ADAM8, the effects on cell migration and invasion in SW1353 and HCS-2/8, and the downstream signal transduction pathways were evaluated. ADAM8 and MMP-13 were highly expressed, and the NF-κB pathway was activated in SW1353 and HCS-2/8 cells. Silencing ADAM8 significantly reduced the ability of cell migration and invasion, and blocked the NF-κB signaling pathway through IκBα and p65 dephosphorylation, leading to reduced NF-κB transcription activity and decreased MMP-13 expression. ADAM8 overexpression promoted these processes, which, however, were reversed by an inhibitor Bay 11-7085. Our data showed a novel regulation mechanism for ADAM8 in promoting CHS migration and invasion by activating the NF-κB/MMP-13 signaling axis. Modulation of their levels may serve as potential targets in the treatment of CHS and even other cartilage diseases.
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9
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Ajona D, Ortiz-Espinosa S, Pio R, Lecanda F. Complement in Metastasis: A Comp in the Camp. Front Immunol 2019; 10:669. [PMID: 31001273 PMCID: PMC6457318 DOI: 10.3389/fimmu.2019.00669] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 03/12/2019] [Indexed: 12/19/2022] Open
Abstract
The complement system represents a pillar of the innate immune response. This system, critical for host defense against pathogens, encompasses more than 50 soluble, and membrane-bound proteins. Emerging evidence underscores its clinical relevance in tumor progression and its role in metastasis, one of the hallmarks of cancer. The multistep process of metastasis entails the acquisition of advantageous functions required for the formation of secondary tumors. Thus, targeting components of the complement system could impact not only on tumor initiation but also on several crucial steps along tumor dissemination. This novel vulnerability could be concomitantly exploited with current strategies overcoming tumor-mediated immunosuppression to provide a substantial clinical benefit in the treatment of metastatic disease. In this review, we offer a tour d'horizon on recent advances in this area and their prospective potential for cancer treatment.
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Affiliation(s)
- Daniel Ajona
- Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Navarra Institute for Health Research (IdISNA), Pamplona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Sergio Ortiz-Espinosa
- Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Ruben Pio
- Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Navarra Institute for Health Research (IdISNA), Pamplona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Fernando Lecanda
- Program in Solid Tumors, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,Navarra Institute for Health Research (IdISNA), Pamplona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain
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10
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Macrophage Origin, Metabolic Reprogramming and IL-1 Signaling: Promises and Pitfalls in Lung Cancer. Cancers (Basel) 2019; 11:cancers11030298. [PMID: 30832375 PMCID: PMC6468621 DOI: 10.3390/cancers11030298] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 02/21/2019] [Accepted: 02/26/2019] [Indexed: 12/14/2022] Open
Abstract
Macrophages are tissue-resident cells that act as immune sentinels to maintain tissue integrity, preserve self-tolerance and protect against invading pathogens. Lung macrophages within the distal airways face around 8000–9000 L of air every day and for that reason are continuously exposed to a variety of inhaled particles, allergens or airborne microbes. Chronic exposure to irritant particles can prime macrophages to mediate a smoldering inflammatory response creating a mutagenic environment and favoring cancer initiation. Tumor-associated macrophages (TAMs) represent the majority of the tumor stroma and maintain intricate interactions with malignant cells within the tumor microenvironment (TME) largely influencing the outcome of cancer growth and metastasis. A number of macrophage-centered approaches have been investigated as potential cancer therapy and include strategies to limit their infiltration or exploit their antitumor effector functions. Recently, strategies aimed at targeting IL-1β signaling pathway using a blocking antibody have unexpectedly shown great promise on incident lung cancer. Here, we review the current understanding of the bridge between TAM metabolism, IL-1β signaling, and effector functions in lung adenocarcinoma and address the challenges to successfully incorporating these pathways into current anticancer regimens.
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11
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Abstract
OBJECTIVES Intervertebral disc (IVD) degenerates progressively with age and after injuries. In this study, we aimed to characterize early molecular events underlying disc degeneration using a mouse tail IVD injury model. DESIGN We have established a transcutaneous minimally invasive approach to induce mouse tail IVD injury under fluoroscopic guidance. Morphological and molecular changes in the injured IVDs are compared with the baseline features of adjacent intact levels. RESULTS After needle puncture, tail IVDs exhibited time-dependent histological changes. The aggrecan neoepitope VDIPEN was evident from 2 days to 4 wks after injury. A disintegrin and metalloproteinase domain-containing protein 8 (adam8) is a surface protease known to cleave fibronectin in the IVD. Gene expression of adam8 was elevated at all time points after injury, whereas the increase of C-X-C motif chemokine ligand (cxcl)-1 gene expression was statistically significant at 2 days and 2 wks after injury. Type 1 collagen gene expression decreased initially at day 2 but increased at 2 wks after injury, whereas no significant change in type 2 collagen gene expression was observed. The extracellular matrix gene expression pattern is consistent with fibrocartilage formation after injury. CONCLUSIONS Mouse tail IVDs degenerate after needle puncture, as demonstrated by histological changes and aggrecan degradation. The minimally invasive tail IVD injury model should prove useful to investigators studying mechanisms of IVD degeneration and repair.
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ADAM8 in invasive cancers: links to tumor progression, metastasis, and chemoresistance. Clin Sci (Lond) 2019; 133:83-99. [PMID: 30635388 DOI: 10.1042/cs20180906] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 11/27/2018] [Accepted: 12/05/2018] [Indexed: 12/26/2022]
Abstract
Ectodomain shedding of extracellular and membrane proteins is of fundamental importance for cell-cell communication in neoplasias. A Disintegrin And Metalloproteinase (ADAM) proteases constitute a family of multifunctional, membrane-bound proteins with traditional sheddase functions. Their protumorigenic potential has been attributed to both, essential (ADAM10 and ADAM17) and 'dispensable' ADAM proteases (ADAM8, 9, 12, 15, and 19). Of specific interest in this review is the ADAM proteinase ADAM8 that has been identified as a significant player in aggressive malignancies including breast, pancreatic, and brain cancer. High expression levels of ADAM8 are associated with invasiveness and predict a poor patient outcome, indicating a prognostic and diagnostic potential of ADAM8. Current knowledge of substrates and interaction partners gave rise to the hypothesis that ADAM8 dysregulation affects diverse processes in tumor biology, attributable to different functional cores of the multidomain enzyme. Proteolytic degradation of extracellular matrix (ECM) components, cleavage of cell surface proteins, and subsequent release of soluble ectodomains promote cancer progression via induction of angiogenesis and metastasis. Moreover, there is increasing evidence for significance of a non-proteolytic function of ADAM8. With the disintegrin (DIS) domain ADAM8 binds integrins such as β1 integrin, thereby activating integrin signaling pathways. The cytoplasmic domain is critical for that activation and involves focal adhesion kinase (FAK), extracellular regulated kinase (ERK1/2), and protein kinase B (AKT/PKB) signaling, further contributing to cancer progression and mediating chemoresistance against first-line therapies. This review highlights the remarkable effects of ADAM8 in tumor biology, concluding that pharmacological inhibition of ADAM8 represents a promising therapeutic approach not only for monotherapy, but also for combinatorial therapies.
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Chen X, Zhang Y, Roozbahani GM, Guan X. Salt-Mediated Nanopore Detection of ADAM-17. ACS APPLIED BIO MATERIALS 2018; 2:504-509. [PMID: 32529174 DOI: 10.1021/acsabm.8b00689] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
ADAM-17 (a disintegrin and metalloproteinase 17) plays an important role in various physiological and pathophysiological processes. Overexpression/underexpression of ADAM-17 could lead to various diseases. In this work, by taking advantage of ionic strength and salt gradient, and monitoring the cleavage of a substrate peptide by ADAM-17 in a nanopore, we developed a label-free sensor for the rapid detection of ADAM-17. The sensor was highly sensitive and selective: picomolar concentrations of ADAM-17 could be detected within minutes, while structure similar proteases such as ADAM-9 and MMP-9 did not interfere with its detection. Our developed nanopore sensing strategy should find useful applications in the development of nanopore sensors for other proteases of biological, pharmaceutical, and medical importance.
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Affiliation(s)
- Xiaohan Chen
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA
| | - Youwen Zhang
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA
| | | | - Xiyun Guan
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA
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14
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Zhang L, Liu M, Liu J, Li X, Yang M, Su B, Lin Y. 27-Hydroxycholesterol enhanced osteoclastogenesis in lung adenocarcinoma microenvironment. J Cell Physiol 2018; 234:12692-12700. [PMID: 30511368 DOI: 10.1002/jcp.27883] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 11/15/2018] [Indexed: 01/10/2023]
Abstract
27-Hydroxycholesterol (27-HC) has been implicated in the pathological process of estrogen receptor positive breast cancer. However, the role of 27-HC in lung adenocarcinoma is still unclear. Because bone metastasis is a main reason for the high mortality of lung adenocarcinoma, this study aimed to investigate the effect of 27-HC on osteoclastogenesis in lung adenocarcinoma microenvironment. The results showed that the conditioned media (CM) from lung adenocarcinoma cells cocultured with macrophages promoted osteoclast differentiation, which was enhanced by 27-HC. Further investigation showed that CM inhibited miR-139 expression and promoted c-Fos expression. Luciferase reporter assay identified c-Fos as a direct target of miR-139. CM also induced the expression and nuclear translocation of NFATc1 and STAT3 phosphorylation, which was enlarged by 27-HC but was attenuated by miR-139. Coimmunoprecipitation assay demonstrated that 27-HC increased the interaction between NFATc1 and phosphorylated STAT3, which was restricted by miR-139. Chromatin immunoprecipitation assay showed that pSTAT3 could bind to the promoter of c-Fos, c-Fos could bind to the promoter of NFATc1, and both pSTAT3 and NFATc1 could bind to the promoter of Oscar, which were enlarged by 27-HC but were blocked by miR-139. Knockdown of c-Fos mimicked the effect of miR-139. These results suggested that CM, especially containing 27-HC, promoted osteoclastogenesis by inhibiting miR-139 expression and activating the STAT3/c-Fos/NFATc1 pathway.
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Affiliation(s)
- Lishan Zhang
- Department of Hand and Foot Surgery, Shandong Provincial Hospital Affiliated to Shandong University, China
| | - Ming Liu
- Department of Cardiothoracic Surgery, Gansu Provincial Hospital of TCM, Lanzhou, Jinan, China
| | - Jinglei Liu
- Department of Gastrointestinal Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Xingkai Li
- Department of Thoracic Surgery, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Ming Yang
- Department of Ultrasound, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Benhua Su
- Department of Medical Engineering, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Yanliang Lin
- Department of Center Laboratory, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
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Escalona RM, Chan E, Kannourakis G, Findlay JK, Ahmed N. The Many Facets of Metzincins and Their Endogenous Inhibitors: Perspectives on Ovarian Cancer Progression. Int J Mol Sci 2018; 19:E450. [PMID: 29393911 PMCID: PMC5855672 DOI: 10.3390/ijms19020450] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/23/2018] [Accepted: 01/24/2018] [Indexed: 02/07/2023] Open
Abstract
Approximately sixty per cent of ovarian cancer patients die within the first five years of diagnosis due to recurrence associated with chemoresistance. The metzincin family of metalloproteinases is enzymes involved in matrix remodeling in response to normal physiological changes and diseased states. Recently, there has been a mounting awareness of these proteinases and their endogenous inhibitors, the tissue inhibitors of metalloproteinases (TIMPs), as superb modulators of cellular communication and signaling regulating key biological processes in cancer progression. This review investigates the role of metzincins and their inhibitors in ovarian cancer. We propose that understanding the metzincins and TIMP biology in ovarian cancer may provide valuable insights in combating ovarian cancer progression and chemoresistance-mediated recurrence in patients.
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Affiliation(s)
- Ruth M Escalona
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, VIC 3052, Australia.
- The Hudson Institute of Medical Research, Clayton, VIC 3168, Australia.
- Fiona Elsey Cancer Research Institute, Ballarat, VIC 3353, Australia.
| | - Emily Chan
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, VIC 3052, Australia.
| | - George Kannourakis
- Fiona Elsey Cancer Research Institute, Ballarat, VIC 3353, Australia.
- Federation University Australia, Ballarat, VIC 3010, Australia.
| | - Jock K Findlay
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, VIC 3052, Australia.
- The Hudson Institute of Medical Research, Clayton, VIC 3168, Australia.
| | - Nuzhat Ahmed
- Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, VIC 3052, Australia.
- The Hudson Institute of Medical Research, Clayton, VIC 3168, Australia.
- Fiona Elsey Cancer Research Institute, Ballarat, VIC 3353, Australia.
- Federation University Australia, Ballarat, VIC 3010, Australia.
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Human eosinophils constitutively express a unique serine protease, PRSS33. Allergol Int 2017; 66:463-471. [PMID: 28216055 DOI: 10.1016/j.alit.2017.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 12/12/2016] [Accepted: 12/15/2016] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Eosinophils play important roles in asthma, especially airway remodeling, by producing various granule proteins, chemical mediators, cytokines, chemokines and proteases. However, protease production by eosinophils is not fully understood. In the present study, we investigated the production of eosinophil-specific proteases/proteinases by transcriptome analysis. METHODS Human eosinophils and other cells were purified from peripheral blood by density gradient sedimentation and negative/positive selections using immunomagnetic beads. Protease/proteinase expression in eosinophils and release into the supernatant were evaluated by microarray analysis, qPCR, ELISA, flow cytometry and immunofluorescence staining before and after stimulation with eosinophil-activating cytokines and secretagogues. mRNAs for extracellular matrix proteins in human normal fibroblasts were measured by qPCR after exposure to recombinant protease serine 33 (PRSS33) protein (rPRSS33), created with a baculovirus system. RESULTS Human eosinophils expressed relatively high levels of mRNA for metalloproteinase 25 (MMP25), a disintegrin and metalloprotease 8 (ADAM8), ADAM10, ADAM19 and PRSS33. Expression of PRSS33 was the highest and eosinophil-specific. PRSS33 mRNA expression was not affected by eosinophil-activating cytokines. Immunofluorescence staining showed that PRSS33 was co-localized with an eosinophil granule protein. PRSS33 was not detected in the culture supernatant of eosinophils even after stimulation with secretagogues, but its cell surface expression was increased. rPRSS33 stimulation of human fibroblasts increased expression of collagen and fibronectin mRNAs, at least in part via protease-activated receptor-2 activation. CONCLUSIONS Activated eosinophils may induce fibroblast extracellular matrix protein synthesis via cell surface expression of PRSS33, which would at least partly explain eosinophils' role(s) in airway remodeling.
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Fine Tuning Cell Migration by a Disintegrin and Metalloproteinases. Mediators Inflamm 2017; 2017:9621724. [PMID: 28260841 PMCID: PMC5316459 DOI: 10.1155/2017/9621724] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 12/22/2016] [Indexed: 02/07/2023] Open
Abstract
Cell migration is an instrumental process involved in organ development, tissue homeostasis, and various physiological processes and also in numerous pathologies. Both basic cell migration and migration towards chemotactic stimulus consist of changes in cell polarity and cytoskeletal rearrangement, cell detachment from, invasion through, and reattachment to their neighboring cells, and numerous interactions with the extracellular matrix. The different steps of immune cell, tissue cell, or cancer cell migration are tightly coordinated in time and place by growth factors, cytokines/chemokines, adhesion molecules, and receptors for these ligands. This review describes how a disintegrin and metalloproteinases interfere with several steps of cell migration, either by proteolytic cleavage of such molecules or by functions independent of proteolytic activity.
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18
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Wang FF, Wang S, Xue WH, Cheng JL. microRNA-590 suppresses the tumorigenesis and invasiveness of non-small cell lung cancer cells by targeting ADAM9. Mol Cell Biochem 2016; 423:29-37. [PMID: 27770372 DOI: 10.1007/s11010-016-2822-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Accepted: 09/08/2016] [Indexed: 12/22/2022]
Abstract
microRNAs (miRNAs), a family of small non-coding RNA molecules, are implicated in cancer growth and progression. In the present study, we examined the expression and biological roles of miR-590 in non-small cell lung cancer (NSCLC). Compared to normal lung tissues, miR-590 expression was downregulated in primary NSCLCs and, to a greater extent, in corresponding brain metastases. NSCLC cell lines with high metastatic potential had significantly (P < 0.05) lower levels of miR-590 than those with low metastatic potential. Re-expression of miR-590 suppressed NSCLC cell proliferation, colony formation, migration, and invasion in vitro and tumorigenesis in vivo. In contrast, inhibition of miR-590 enhanced the migration and invasion of NSCLC cells. Mechanistic studies revealed that a disintegrin and metalloproteinase 9 (ADAM9) was a direct target of miR-590. Delivery of miR-590 mimic was found to decrease endogenous ADAM9 expression in NSCLC cells. Enforced expression of a miRNA-resistant form of ADAM9 significantly restored the aggressive behaviors in miR-590-overexpressing NSCLC cells. Taken together, our data reveal miR-590 as a tumor suppressor in NSCLC, which is at least partially mediated through targeting of ADAM9. Restoration of miR-590 may provide a promising therapeutic strategy for NSCLC.
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Affiliation(s)
- Fei-Fei Wang
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Song Wang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Wen-Hua Xue
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Jing-Liang Cheng
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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19
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Vicent S, Perurena N, Govindan R, Lecanda F. Bone metastases in lung cancer. Potential novel approaches to therapy. Am J Respir Crit Care Med 2016; 192:799-809. [PMID: 26131844 DOI: 10.1164/rccm.201503-0440so] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The skeleton is a common site of metastases in lung cancer, an event associated with significant morbidities and poor outcomes. Current antiresorptive therapies provide limited benefit, and novel strategies of prevention and treatment are urgently needed. This review summarizes the latest advances and new perspectives on emerging experimental and clinical approaches to block this deleterious process. Progress propelled by preclinical models has led to a deeper understanding on the complex interplay of tumor cells in the osseous milieu, unveiling potential new targets for drug development. Improvements in early diagnosis through the use of sophisticated imaging techniques with bone serum biomarkers are also discussed in the context of identifying patients at risk and monitoring disease progression during the course of treatment.
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Affiliation(s)
- Silvestre Vicent
- 1 Division of Oncology, Center for Applied Medical Research, and.,2 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain.,3 IdiSNA, Navarra Institute for Health Research, Pamplona, Spain; and
| | - Naiara Perurena
- 1 Division of Oncology, Center for Applied Medical Research, and
| | - Ramaswamy Govindan
- 4 Division of Oncology, Washington University School of Medicine, St. Louis, Missouri
| | - Fernando Lecanda
- 1 Division of Oncology, Center for Applied Medical Research, and.,2 Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain.,3 IdiSNA, Navarra Institute for Health Research, Pamplona, Spain; and
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20
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Tsai YM, Chong IW, Hung JY, Chang WA, Kuo PL, Tsai MJ, Hsu YL. Syringetin suppresses osteoclastogenesis mediated by osteoblasts in human lung adenocarcinoma. Oncol Rep 2015; 34:617-26. [PMID: 26044862 DOI: 10.3892/or.2015.4028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 05/04/2015] [Indexed: 11/05/2022] Open
Abstract
Bone metastasis in lung cancer results in an unfavorable outcome for patients by not only impairing the quality of life, yet also increasing the cancer-related death rates. In the present study, we discuss a novel treatment strategy that may benefit these patients. Human CD14+ monocytes treated with macrophage-colony stimulating factor (M-CSF)/receptor activator of nuclear factor κB ligand (RANKL) differentiated into osteoclasts, whereas syringetin (SGN), a flavonoid derivative found in both grapes and wine, suppressed the osteoclastogenesis in vitro in a dose-dependent manner. In addition, SGN inhibited osteoclast formation induced by human lung adenocarcinoma A549 and CL1-5 cells. The associated signaling transduction pathway in osteoclastogenesis and SGN inhibition was found to be via the AKT/mammalian target of rapamycin (mTOR) signaling pathway. Blocking AKT and mTOR by respective inhibitors significantly decreased lung adenocarcinoma-mediated osteoclastogenesis. Moreover, SGN regulated the lung adenocarcinoma-mediated interaction between osteoblasts and osteoclasts by suppressing the stimulatory effect of lung adenocarcinoma on M-CSF and RANKL production in osteoblasts, and reversing the inhibitory effect of the lung adenocarcinoma on OPG production in osteoblasts. The present study has two novel findings. It is the first to illustrate lung adenocarcinoma-mediated interaction between osteoblasts and osteoclasts, leading to osteolytic bone metastasis. It also reveals that SGN, a flavonoid derivative, directly inhibits osteoclastogenesis and reverses lung adenocarcinoma-mediated osteoclastogenesis. In conclusion, the present study suggests that SGN, a natural compound, prevents and treats bone metastasis in patients with lung cancer.
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Affiliation(s)
- Ying-Ming Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Inn-Wen Chong
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Jen-Yu Hung
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Wei-An Chang
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Po-Lin Kuo
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Ming-Ju Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Ya-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
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21
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Hung JY, Chang WA, Tsai YM, Hsu YL, Chiang HH, Chou SH, Huang MS, Kuo PL. Tricetin, a dietary flavonoid, suppresses benzo(a)pyrene‑induced human non‑small cell lung cancer bone metastasis. Int J Oncol 2015; 46:1985-93. [PMID: 25738754 DOI: 10.3892/ijo.2015.2915] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 02/06/2015] [Indexed: 11/06/2022] Open
Abstract
This is the first study to demonstrate that benzo(a)-pyrene (BaP) was able to enhance the production of parathyroid hormone‑related protein (PTHrP) by human non‑small cell lung cancer H460 cells. Such effect would further contribute to bone metastasis of lung cancer by increasing osteoclastogenesis. This study is also the first to reveal that tricetin (TCN), a flavonoid derivative found in Myrtaceae pollen and Eucalyptus honey, was able to reverse BaP‑mediated bone resorption activity of lung cancer cells. Human non‑small cell lung cancer H460 cells were treated with BaP to generate conditioned medium. When osteoblasts were cultured with BaP‑H460‑CM, their expression of osteoclastogenesis activator macrophage colony‑stimulating factor (M‑CSF) and receptor activator of nuclear factor κB ligand (RANKL) was increased. BaP‑H460‑CM reduced the production of osteoprotegerin (OPG), an osteoclastogenesis inhibitor, in osteoblasts. Osteoclastogenesis and bone resorption activity of H460 cells were increased by BaP‑H460‑CM. With BaP‑mediated PTHrP upregulation, IL‑8 secretion in H460 cells was increased contributing to human non‑small cell lung cancer‑mediated osteoclast differentiation and bone resorption. Moreover, TCN suppressed BaP‑mediated bone resorption. Therefore, TCN may be a novel agent for treatment of non‑small cell lung cancer patients with bone metastasis.
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Affiliation(s)
- Jen-Yu Hung
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Wei-An Chang
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Ying-Ming Tsai
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Ya-Ling Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Hung-Hsing Chiang
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Shah-Hwa Chou
- Division of Chest Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Ming-Shyan Huang
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
| | - Po-Lin Kuo
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan, R.O.C
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Abstract
Pancreatic ductal adenocarcinoma (PDAC) has a grim prognosis with less than 5% survivors after 5 years. High expression levels of ADAM8, a metalloprotease-disintegrin, are correlated with poor clinical outcome. We show that ADAM8 expression is associated with increased migration and invasiveness of PDAC cells caused by activation of ERK 1/2 and higher MMP activities. For biological function, ADAM8 requires multimerisation and associates with β1-integrin on the cell surface. A peptidomimetic ADAM8 inhibitor, BK-1361, designed by structural modelling of the disintegrin domain, prevents ADAM8 multimerisation. In PDAC cells, BK-1361 affects ADAM8 function leading to reduced invasiveness, and less ERK 1/2 and MMP activation. BK-1361 application in mice decreased tumour burden and metastasis of implanted pancreatic tumour cells and provides improved metrics of clinical symptoms and survival in a KrasG12D-driven mouse model of PDAC. Thus, our data integrate ADAM8 in pancreatic cancer signalling and validate ADAM8 as a target for PDAC therapy.
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Srinivasan S, Romagnoli M, Bohm A, Sonenshein GE. N-glycosylation regulates ADAM8 processing and activation. J Biol Chem 2014; 289:33676-88. [PMID: 25336660 DOI: 10.1074/jbc.m114.594242] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The transmembrane ADAM8 (A Disintegrin And Metalloproteinase 8) protein is abundantly expressed in human breast tumors and derived metastases compared with normal breast tissue, and plays critical roles in aggressive Triple-Negative breast cancers (TNBCs). During ADAM8 maturation, the inactive proform dimerizes or multimerizes and autocatalytically removes the prodomain leading to the formation of the active, processed form. ADAM8 is a glycoprotein; however, little was known about the structure or functional role of these sugar moieties. Here, we report that in estrogen receptor (ER)α-negative, but not -positive, breast cancer cells ADAM8 contains N-glycosylation, which is required for its correct processing and activation. Consistently ADAM8 dimers were detected on the surface of ERα-negative breast cancer cells but not on ERα-positive ones. Site-directed mutagenesis confirmed four N-glycosylazhytion sites (Asn-67, Asn-91, Asn-436, and Asn-612) in human ADAM8. The Asn-67 and Asn-91 prodomain sites contained high mannose, whereas complex type N-glycosylation was observed on Asn-436 and Asn-612 in the active and remnant forms. The Asn-91 and Asn-612 sites were essential for its correct processing and cell surface localization, in particular its exit from the Golgi and endoplasmic reticulum, respectively. The N436Q mutation led to decreased ADAM8 stability due to enhanced lysosomal degradation. In contrast, mutation of the Asn-67 site had only modest effects on enzyme stability and processing. Thus, N-glycosylation is essential for processing, localization, stability, and activity of ADAM8.
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Affiliation(s)
- Srimathi Srinivasan
- From the Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts 02111
| | - Mathilde Romagnoli
- From the Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts 02111
| | - Andrew Bohm
- From the Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts 02111
| | - Gail E Sonenshein
- From the Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts 02111
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Yang Z, Bai Y, Huo L, Chen H, Huang J, Li J, Fan X, Yang Z, Wang L, Wang J. Expression of A disintegrin and metalloprotease 8 is associated with cell growth and poor survival in colorectal cancer. BMC Cancer 2014; 14:568. [PMID: 25098630 PMCID: PMC4141088 DOI: 10.1186/1471-2407-14-568] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 07/30/2014] [Indexed: 01/08/2023] Open
Abstract
Background A disintegrin and metalloprotease 8 (ADAM8) has been reported to be associated with various malignancies. However, no studies have examined ADAM8 association in colorectal cancer (CRC). The aim of this study was to investigate the expression and function of ADAM8 in CRC. Methods Expression level of ADAM8 in CRC was evaluated by quantitative RT-PCR, western blot and immunohistochemical staining analysis. The role of ADAM8 in colorectal carcinogenesis was evaluated by in vitro assays. The correlations between ADAM8 status and clinicopathological features including survival were analyzed. Results ADAM8 was highly expressed in CRC tissues compared with adjacent normal tissues. Knockdown of ADAM8 in two CRC cell lines resulted in reduced cellular growth and proliferation, and increased apoptosis. Immunohistochemistry analysis showed no significant correlations of ADAM8 protein expression with clinicopathologic features. Survival analysis indicated that patients with ADAM8-positive tumors had worse 5-year overall survival (OS, p = 0.037) and 5-year disease free survival (DFS, p = 0.014) compared with those with ADAM8-negative tumors. Multivariate analysis indicated ADAM8 expression was an independent prognostic factor for both OS and DFS (both p< 0.001). Subgroup analysis showed that 5-year OS of colon cancer, T3-T4 stage and N0 stage was worse for patients with ADAM8-positive tumors than those with ADAM8-negative tumors (p< 0.05). The 5-year DFS in colon cancer, T3-T4 stage, N0 stage, TNM stage II, adenocarcinoma, moderate differentiation and male patient subgroups was also worse for patients with ADAM8-positive tumors than those with ADAM8-negative tumors (p < 0.05). Conclusions Our results show that ADAM8 is overexpressed in CRC, promotes cell growth and correlates with worse OS and DFS, and thus could serve as a biomarker for individual CRC patient therapy.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Lei Wang
- Department of Colon & Rectum Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University (Guangdong Gastrointestinal and Anal Hospital), Sun Yat-Sen University Guangzhou, 26 YuancunErheng Road, Guangzhou, 510655, P,R China.
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Roato I. Bone metastases: When and how lung cancer interacts with bone. World J Clin Oncol 2014; 5:149-155. [PMID: 24829862 PMCID: PMC4014787 DOI: 10.5306/wjco.v5.i2.149] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2013] [Revised: 02/21/2014] [Accepted: 03/18/2014] [Indexed: 02/06/2023] Open
Abstract
Bone metastasis is a common and debilitating consequence of lung cancer: 30%-40% of patients with non-small cell lung cancer develop bone metastases during the course of their disease. Lung cancer cells find a favorable soil in the bone microenvironment due to factors released by the bone matrix, the immune system cells, and the same cancer cells. Many aspects of the cross-talk among lung tumor cells, the immune system, and bone cells are not clear, but this review aims to summarize the recent findings in this field, with particular attention to studies conducted to identify biomarkers for early detection of lung cancer bone metastases.
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Chen J, Jiang X, Duan Y, Long J, Bartsch JW, Deng L. ADAM8 in asthma. Friend or foe to airway inflammation? Am J Respir Cell Mol Biol 2014; 49:875-84. [PMID: 23837412 DOI: 10.1165/rcmb.2013-0168tr] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Airway inflammation has been suggested as the pathological basis in asthma pathogenesis. Recruitment of leukocytes from the vasculature into airway sites is essential for induction of airway inflammation, a process thought to be mediated by a disintegrin and metalloprotease 8 (ADAM8). However, there is an apparent controversy about whether ADAM8 helps or hampers transmigration of leukocytes through endothelium in airway inflammation of asthma. This review outlines the current contradictory concepts concerning the role of ADAM8 in airway inflammation, particularly focusing on the recruitment of leukocytes during asthma, and attempts to bridge the existing experimental data on the basis of the functional analysis of different domains of ADAM8 and their endogenous processing in vivo. We suggest a possible hypothesis for the specific mechanism by which ADAM8 regulates the transmigration of leukocytes to explain the disparity existing in current studies, and we also raise some questions that require future investigations.
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Affiliation(s)
- Jun Chen
- 1 Key Lab of Biorheological Science and Technology, Ministry of Education, "National 985 Project" Institute of Biorheology and Gene Regulation, Bioengineering College, Chongqing University, Chongqing, P.R. China
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27
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Luis-Ravelo D, Antón I, Zandueta C, Valencia K, Ormazábal C, Martínez-Canarias S, Guruceaga E, Perurena N, Vicent S, De Las Rivas J, Lecanda F. A gene signature of bone metastatic colonization sensitizes for tumor-induced osteolysis and predicts survival in lung cancer. Oncogene 2013; 33:5090-9. [PMID: 24166494 DOI: 10.1038/onc.2013.440] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 09/04/2013] [Accepted: 09/09/2013] [Indexed: 01/10/2023]
Abstract
Bone metastasis of lung adenocarcinoma (AC) is a frequent complication of advanced disease. The purpose of this study was to identify key mediators conferring robust prometastatic activity with clinical significance. We isolated highly metastatic subpopulations (HMS) using a previously described in vivo model of lung AC bone metastasis. We performed transcriptomic profiling of HMS and stringent bioinformatics filtering. Functional validation was assessed by overexpression and lentiviral silencing of single, double and triple combination in vivo and in vitro. We identified HDAC4, PITX1 and ROBO1 that decreased bone metastatic ability after their simultaneous abrogation. These effects were solely linked to defects in osseous colonization. The molecular mechanisms related to bone colonization were mediated by non-cell autonomous effects that include the following: (1) a marked decrease in osteoclastogenic activity in vitro and in vivo, an effect associated with reduced pro-osteoclastogenic cytokines IL-11 and PTHrP expression levels, as well as decreased in vitro expression of stromal rankl in conditions mimicking tumor-stromal interactions; (2) an abrogated response to TGF-β signaling by decreased phosphorylation and levels of Smad2/3 in tumor cells and (3) an impaired metalloproteolytic activity in vitro. Interestingly, coexpression of HDAC4 and PITX1 conferred high prometastatic activity in vivo. Further, levels of both genes correlated with patients at higher risk of metastasis in a clinical lung AC data set and with a poorer clinical outcome. These findings provide functional and clinical evidence that this metastatic subset is an important determinant of osseous colonization. These data suggest novel therapeutic targets to effectively block lung AC bone metastasis.
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Affiliation(s)
- D Luis-Ravelo
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - I Antón
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - C Zandueta
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - K Valencia
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - C Ormazábal
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - S Martínez-Canarias
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - E Guruceaga
- Bioinformatics and Proteomics Unit, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - N Perurena
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
| | - S Vicent
- 1] Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain [2] Department of Histology and Pathology, School of Medicine, University of Navarra, Pamplona, Spain
| | - J De Las Rivas
- Bioinformatics and Functional Genomics Research Group, Cancer Research Center, University of Salamanca (CSIC/USAL), Salamanca, Spain
| | - F Lecanda
- Division of Oncology, Adhesion and Metastasis Laboratory, University of Navarra, Pamplona, Spain
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28
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Zhang R, Yuan Y, Zuo J, Liu W. Prognostic and clinical implication of a disintegrin and metalloprotease 8 expression in pediatric medulloblastoma. J Neurol Sci 2012; 323:46-51. [DOI: 10.1016/j.jns.2012.07.040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2012] [Revised: 05/24/2012] [Accepted: 07/17/2012] [Indexed: 11/17/2022]
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29
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Merrick BA, Auerbach SS, Stockton PS, Foley JF, Malarkey DE, Sills RC, Irwin RD, Tice RR. Testing an aflatoxin B1 gene signature in rat archival tissues. Chem Res Toxicol 2012; 25:1132-44. [PMID: 22545673 DOI: 10.1021/tx3000945] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Archival tissues from laboratory studies represent a unique opportunity to explore the relationship between genomic changes and agent-induced disease. In this study, we evaluated the applicability of qPCR for detecting genomic changes in formalin-fixed, paraffin-embedded (FFPE) tissues by determining if a subset of 14 genes from a 90-gene signature derived from microarray data and associated with eventual tumor development could be detected in archival liver, kidney, and lung of rats exposed to aflatoxin B1 (AFB1) for 90 days in feed at 1 ppm. These tissues originated from the same rats used in the microarray study. The 14 genes evaluated were Adam8, Cdh13, Ddit4l, Mybl2, Akr7a3, Akr7a2, Fhit, Wwox, Abcb1b, Abcc3, Cxcl1, Gsta5, Grin2c, and the C8orf46 homologue. The qPCR FFPE liver results were compared to the original liver microarray data and to qPCR results using RNA from fresh frozen liver. Archival liver paraffin blocks yielded 30 to 50 μg of degraded RNA that ranged in size from 0.1 to 4 kB. qPCR results from FFPE and fresh frozen liver samples were positively correlated (p ≤ 0.05) by regression analysis and showed good agreement in direction and proportion of change with microarray data for 11 of 14 genes. All 14 transcripts could be amplified from FFPE kidney RNA except the glutamate receptor gene Grin2c; however, only Abcb1b was significantly upregulated from control. Abundant constitutive transcripts, S18 and β-actin, could be amplified from lung FFPE samples, but the narrow RNA size range (25-500 bp length) prevented consistent detection of target transcripts. Overall, a discrete gene signature derived from prior transcript profiling and representing cell cycle progression, DNA damage response, and xenosensor and detoxication pathways was successfully applied to archival liver and kidney by qPCR and indicated that gene expression changes in response to subchronic AFB1 exposure occurred predominantly in the liver, the primary target for AFB1-induced tumors. We conclude that an evaluation of gene signatures in archival tissues can be an important toxicological tool for evaluating critical molecular events associated with chemical exposures.
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Affiliation(s)
- B Alex Merrick
- Biomolecular Screening Branch, Division of the National Toxicology Program, National Institute of Environmental Health Sciences , Research Triangle Park, NC 27709, United States.
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30
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Li Z, Liao Q, Wu Y, Liao M, Hao Y, Zhang S, Song S, Li B, Zhang YD. Upregulation of a disintegrin and metalloprotease 8 influences tumor metastasis and prognosis in patients with osteosarcoma. Pathol Oncol Res 2012; 18:657-61. [PMID: 22215309 DOI: 10.1007/s12253-011-9491-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 12/19/2011] [Indexed: 10/14/2022]
Abstract
To investigate the clinicopathological and prognostic value of a disintegrin and metalloprotease 8 (ADAM8) in osteosarcoma. ADAM8 expression in osteosarcoma tissues was examined by immunohistochemistry in 69 patients. ADAM8 was positively expressed in 61 of 69 (88.4%) osteosarcoma specimens with cytoplasmic staining, and also increased in the specimens with recurrence (P = 0.008) and metastasis (P = 0.002). Patients with strong ADAM8 expression had significantly poorer overall survival (OS) and disease-free survival (DFS) (both P < 0.001) when compared with the patients with the weak expression of ADAM8. On multivariate analysis, ADAM8 expression was found to be an independent prognostic factor for both OS (P < 0.001) and DFS (P < 0.001). Our results suggest for the first time that ADAM8 might be applied as a novel marker for the prediction of recurrence and metastasis potency and a significant indicator of poor prognosis for patients with osteosarcoma.
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Affiliation(s)
- Zhehai Li
- National Hepatobiliary and Enteric Surgery Research Center, Xiangya Hospital, Central South University, Xiangya Road 87, Changsha, 410078 Hunan, China
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31
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Overexpression of a disintegrin and metalloprotease 8 in human gliomas is implicated in tumor progression and prognosis. Med Oncol 2011; 29:2032-7. [DOI: 10.1007/s12032-011-0084-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Accepted: 09/29/2011] [Indexed: 10/17/2022]
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32
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Luis-Ravelo D, Antón I, Vicent S, Hernández I, Valencia K, Zandueta C, Martínez-Canarias S, Gúrpide A, Lecanda F. Tumor–stromal interactions of the bone microenvironment: in vitro findings and potential in vivo relevance in metastatic lung cancer models. Clin Exp Metastasis 2011; 28:779-91. [DOI: 10.1007/s10585-011-9409-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 07/11/2011] [Indexed: 12/01/2022]
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33
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Lecanda F. Tumor–stroma: role of the tumor microenvironment during bone metastasis: unveiling therapeutic targets. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.ddmod.2011.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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