101
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Gregório H, Magalhães TR, Pires I, Prada J, Carvalho MI, Queiroga FL. The role of COX expression in the prognostication of overall survival of canine and feline cancer: A systematic review. Vet Med Sci 2021; 7:1107-1119. [PMID: 33751829 PMCID: PMC8294401 DOI: 10.1002/vms3.460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 01/03/2021] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
Cyclooxygenase (COX) isoforms-1 and -2 have been extensively investigated in cancer. Although COX-2 is the isoform most studied and has been described in several malignancies associated with histologic criteria of malignancy and worse prognosis, COX-1 has also been linked to some forms of cancer. With the present review our aim was to summarize the current state of knowledge and clarify if and in which type of tumours COX-1 and/or COX-2 expression have real prognostic implications. We searched PubMed database for prognostic studies using predefined inclusion criteria in order to ascertain the prognostic value of COX-1 and COX-2 in malignant neoplasia in dogs and cats. Eighteen studies were analysed. COX-2 was shown to be a negative prognostic factor in canine and feline mammary tumours, canine mast cell tumour, canine melanoma, canine osteosarcoma and canine renal cell carcinoma. COX-1 showed a negative prognostic value in feline oral squamous cell carcinoma (SCC). We found high heterogeneity among studies regarding COX immunohistochemical evaluation methodology even in the same type of neoplasia pointing out the need for its standardization at least by tumour type. The available data support the use of COX-2 as a prognostic factor in canine (mammary carcinoma, mast cell tumour, melanoma, osteosarcoma and renal carcinoma) and feline (mammary carcinoma) cancers. For COX-1, its use is advised in feline oral SCC.
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Affiliation(s)
- Hugo Gregório
- AniCura ®Centro Hospitalar Veterinario, Porto, Portugal
| | - Tomás R Magalhães
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Isabel Pires
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,Animal and Veterinary Research Centre (CECAV), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Justina Prada
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,Animal and Veterinary Research Centre (CECAV), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Maria I Carvalho
- Faculdade de Medicina Veterinária, Universidade Lusófona de Humanidades e Tecnologias, Lisboa, Portugal
| | - Felisbina L Queiroga
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.,Center for the Study of Animal Sciences, CECA-ICETA, University of Porto, Porto, Portugal
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102
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Harrison BM, Loukopoulos P. Genomics and transcriptomics in veterinary oncology. Oncol Lett 2021; 21:336. [PMID: 33692868 PMCID: PMC7933772 DOI: 10.3892/ol.2021.12597] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 02/03/2021] [Indexed: 12/12/2022] Open
Abstract
The sequencing of the canine genome, combined with additional genomic technologies, has created opportunities for research linking veterinary genomics with naturally occurring cancer in dogs. Also, as numerous canine cancers have features in common with human cancers, comparative studies can be performed to evaluate the use of cancers in dogs as models for human cancer. There have been several reviews of veterinary genomics but, to the best of our knowledge, there has been no comprehensive review of the literature of canine cancer genomics. PubMed and CAB Abstracts databases were searched to retrieve relevant literature using the search terms ‘veterinary’, ‘cancer’ or ‘oncology’, and ‘genomics’ or ‘transcriptomics’. Results were manually assessed and grouped based on the techniques used, the cancer type investigated and genomic lesions targeted. The search resulted in the retrieval of 44 genomic and transcriptomic studies, with the most common technique employed being comparative genomic hybridization. Across both fields, the most commonly studied cancer type was canine osteosarcoma. Genomic and transcriptomic aberrations in canine cancer often reflected those reported in the corresponding human cancers. Analysis of the literature indicated that employing genomic and transcriptomic technologies has been instrumental in developing the understanding of the origin, development and pathogenesis of several canine cancers. However, their use in canine oncology is at an early phase, and there appears to be comparatively little understanding of certain canine cancer types in contrast to their human forms. Aberrations detected in all tumors were tabulated, and the results for osteosarcoma, lymphoma and leukemia, mast cell tumor, transmissible venereal tumor and urothelial carcinoma discussed in detail.
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Affiliation(s)
- Bridget Marie Harrison
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Werribee, Victoria 3030, Australia
| | - Panayiotis Loukopoulos
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, Werribee, Victoria 3030, Australia
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103
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Patient Derived Xenografts for Genome-Driven Therapy of Osteosarcoma. Cells 2021; 10:cells10020416. [PMID: 33671173 PMCID: PMC7922432 DOI: 10.3390/cells10020416] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 02/06/2023] Open
Abstract
Osteosarcoma (OS) is a rare malignant primary tumor of mesenchymal origin affecting bone. It is characterized by a complex genotype, mainly due to the high frequency of chromothripsis, which leads to multiple somatic copy number alterations and structural rearrangements. Any effort to design genome-driven therapies must therefore consider such high inter- and intra-tumor heterogeneity. Therefore, many laboratories and international networks are developing and sharing OS patient-derived xenografts (OS PDX) to broaden the availability of models that reproduce OS complex clinical heterogeneity. OS PDXs, and new cell lines derived from PDXs, faithfully preserve tumor heterogeneity, genetic, and epigenetic features and are thus valuable tools for predicting drug responses. Here, we review recent achievements concerning OS PDXs, summarizing the methods used to obtain ectopic and orthotopic xenografts and to fully characterize these models. The availability of OS PDXs across the many international PDX platforms and their possible use in PDX clinical trials are also described. We recommend the coupling of next-generation sequencing (NGS) data analysis with functional studies in OS PDXs, as well as the setup of OS PDX clinical trials and co-clinical trials, to enhance the predictive power of experimental evidence and to accelerate the clinical translation of effective genome-guided therapies for this aggressive disease.
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104
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Li R, Wang G, Wu Z, Lu H, Li G, Sun Q, Cai M. Identification of 6 gene markers for survival prediction in osteosarcoma cases based on multi-omics analysis. Exp Biol Med (Maywood) 2021; 246:1512-1523. [PMID: 33563042 DOI: 10.1177/1535370221992015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Multiple-omics sequencing information with high-throughput has laid a solid foundation to identify genes associated with cancer prognostic process. Multiomics information study is capable of revealing the cancer occurring and developing system according to several aspects. Currently, the prognosis of osteosarcoma is still poor, so a genetic marker is needed for predicting the clinically related overall survival result. First, Office of Cancer Genomics (OCG Target) provided RNASeq, copy amount variations information, and clinically related follow-up data. Genes associated with prognostic process and genes exhibiting copy amount difference were screened in the training group, and the mentioned genes were integrated for feature selection with least absolute shrinkage and selection operator (Lasso). Eventually, effective biomarkers received the screening process. Lastly, this study built and demonstrated one gene-associated prognosis mode according to the set of the test and gene expression omnibus validation set; 512 prognosis-related genes (P < 0.01), 336 copies of amplified genes (P < 0.05), and 36 copies of deleted genes (P < 0.05) were obtained, and those genes of the mentioned genomic variants display close associations with tumor occurring and developing mechanisms. This study generated 10 genes for candidates through the integration of genomic variant genes as well as prognosis-related genes. Six typical genes (i.e. MYC, CHIC2, CCDC152, LYL1, GPR142, and MMP27) were obtained by Lasso feature selection and stepwise multivariate regression study, many of which are reported to show a relationship to tumor progressing process. The authors conducted Cox regression study for building 6-gene sign, i.e. one single prognosis-related element, in terms of cases carrying osteosarcoma. In addition, the samples were able to be risk stratified in the training group, test set, and externally validating set. The AUC of five-year survival according to the training group and validation set reached over 0.85, with superior predictive performance as opposed to the existing researches. Here, 6-gene sign was built to be new prognosis-related marking elements for assessing osteosarcoma cases' surviving state.
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Affiliation(s)
- Runmin Li
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
| | - Guosheng Wang
- Institute of Translational Medicine, Zhejiang University School of Medicine, Hangzhou 310029, China
| | - ZhouJie Wu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
| | - HuaGuang Lu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
| | - Gen Li
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
| | - Qi Sun
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
| | - Ming Cai
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai 200072, China
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105
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Chu S, Skidmore ZL, Kunisaki J, Walker JR, Griffith M, Griffith OL, Bryan JN. Unraveling the chaotic genomic landscape of primary and metastatic canine appendicular osteosarcoma with current sequencing technologies and bioinformatic approaches. PLoS One 2021; 16:e0246443. [PMID: 33556121 PMCID: PMC7870011 DOI: 10.1371/journal.pone.0246443] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/19/2021] [Indexed: 12/03/2022] Open
Abstract
Osteosarcoma is a rare disease in children but is one of the most common cancers in adult large breed dogs. The mutational landscape of both the primary and pulmonary metastatic tumor in two dogs with appendicular osteosarcoma (OSA) was comprehensively evaluated using an automated whole genome sequencing, exome and RNA-seq pipeline that was adapted for this study for use in dogs. Chromosomal lesions were the most common type of mutation. The mutational landscape varied substantially between dogs but the lesions within the same patient were similar. Copy number neutral loss of heterozygosity in mutant TP53 was the most significant driver mutation and involved a large region in the middle of chromosome 5. Canine and human OSA is characterized by loss of cell cycle checkpoint integrity and DNA damage response pathways. Mutational profiling of individual patients with canine OSA would be recommended prior to targeted therapy, given the heterogeneity seen in our study and previous studies.
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Affiliation(s)
- Shirley Chu
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO, United States of America
- * E-mail:
| | - Zachary L. Skidmore
- McDonnell Genome Institute, Washington University, St. Louis, MO, United States of America
| | - Jason Kunisaki
- McDonnell Genome Institute, Washington University, St. Louis, MO, United States of America
| | - Jason R. Walker
- McDonnell Genome Institute, Washington University, St. Louis, MO, United States of America
| | - Malachi Griffith
- McDonnell Genome Institute, Washington University, St. Louis, MO, United States of America
- Department of Medicine, Washington University, St. Louis, MO, United States of America
| | - Obi L. Griffith
- McDonnell Genome Institute, Washington University, St. Louis, MO, United States of America
- Department of Medicine, Washington University, St. Louis, MO, United States of America
| | - Jeffrey N. Bryan
- Department of Veterinary Medicine and Surgery, University of Missouri, Columbia, MO, United States of America
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106
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Hernández IB, Kromhout JZ, Teske E, Hennink WE, van Nimwegen SA, Oliveira S. Molecular targets for anticancer therapies in companion animals and humans: what can we learn from each other? Theranostics 2021; 11:3882-3897. [PMID: 33664868 PMCID: PMC7914358 DOI: 10.7150/thno.55760] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 12/29/2020] [Indexed: 12/24/2022] Open
Abstract
Despite clinical successes in the treatment of some early stage cancers, it is undeniable that novel and innovative approaches are needed to aid in the fight against cancer. Targeted therapies offer the desirable feature of tumor specificity while sparing healthy tissues, thereby minimizing side effects. However, the success rate of translation of these therapies from the preclinical setting to the clinic is dramatically low, highlighting an important point of necessary improvement in the drug development process in the oncology field. The practice of a comparative oncology approach can address some of the current issues, by introducing companion animals with spontaneous tumors in the linear drug development programs. In this way, animals from the veterinary clinic get access to novel/innovative therapies, otherwise inaccessible, while generating robust data to aid therapy refinement and increase translational success. In this review, we present an overview of targetable membrane proteins expressed in the most well-characterized canine and feline solid cancers, greatly resembling the counterpart human malignancies. We identified particular areas in which a closer collaboration between the human and veterinary clinic would benefit both human and veterinary patients. Considerations and challenges to implement comparative oncology in the development of anticancer targeted therapies are also discussed.
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107
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Upregulated LEPRE1 correlates with poor outcome and its knockdown attenuates cells proliferation, migration and invasion in osteosarcoma. Anticancer Drugs 2021; 31:326-332. [PMID: 32197005 DOI: 10.1097/cad.0000000000000851] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Leucine proline-enriched proteoglycan 1 has been extensively explored because of its protective function in cell homeostasis and correlation with osteogenesis imperfect. Human osteosarcoma is the most common primary malignant tumor of bone with multiple and complex genomic aberrations. However, the functional role of leucine proline-enriched proteoglycan 1 is still unknown in osteosarcoma. Thus we performed this study to explain the leucine proline-enriched proteoglycan 1 effect in osteosarcoma. Gene arrays of human osteosarcoma were downloaded from the Gene Expression Omnibus database. Quantitative real-time PCR was conducted to assess the expression of leucine proline-enriched proteoglycan 1 in osteosarcoma cell lines. Then we attenuated leucine proline-enriched proteoglycan 1 expression in MG63 cells by siRNA strategy and assessed the effect of leucine proline-enriched proteoglycan 1 on cell proliferation, migration and invasion through in-vitro experiments. Additionally, we detected the role of leucine proline-enriched proteoglycan 1 knockdown on PI3K/AKT pathway-related proteins using western blotting. Leucine proline-enriched proteoglycan 1 was increased in osteosarcoma tissues and cells. The overall survival curve demonstrated that high-regulated leucine proline-enriched proteoglycan 1 was linked with poor prognosis of patients with osteosarcoma. The capabilities of proliferation, migration and invasion were all inhibited in MG63 cell because of the downregulation of leucine proline-enriched proteoglycan 1. Furthermore, the expression of phosphorylated PI3K and AKT was impaired after knockdown the leucine proline-enriched proteoglycan 1 as well as P70S6K. In conclusion, leucine proline-enriched proteoglycan 1 might function as an important therapeutic factor in human osteosarcoma through regulating the PI3K/AKT signaling pathway.
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108
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Ayers J, Milner RJ, Cortés-Hinojosa G, Riva A, Bechtel S, Sahay B, Cascio M, Lejeune A, Shiomitsu K, Souza C, Hernandez O, Salute M. Novel application of single-cell next-generation sequencing for determination of intratumoral heterogeneity of canine osteosarcoma cell lines. J Vet Diagn Invest 2021; 33:261-278. [PMID: 33446089 PMCID: PMC7944434 DOI: 10.1177/1040638720985242] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Osteosarcoma (OSA) is a highly aggressive and metastatic neoplasm of both the canine and human patient and is the leading form of osseous neoplasia in both species worldwide. To gain deeper insight into the heterogeneous and genetically chaotic nature of OSA, we applied single-cell transcriptome (scRNA-seq) analysis to 4 canine OSA cell lines. This novel application of scRNA-seq technology to the canine genome required uploading the CanFam3.1 reference genome into an analysis pipeline (10X Genomics Cell Ranger); this methodology has not been reported previously in the canine species, to our knowledge. The scRNA-seq outputs were validated by comparing them to cDNA expression from reverse-transcription PCR (RT-PCR) and Sanger sequencing bulk analysis of 4 canine OSA cell lines (COS31, DOUG, POS, and HMPOS) for 11 genes implicated in the pathogenesis of canine OSA. The scRNA-seq outputs revealed the significant heterogeneity of gene transcription expression patterns within the cell lines investigated (COS31 and DOUG). The scRNA-seq data showed 10 distinct clusters of similarly shared transcriptomic expression patterns in COS31; 12 clusters were identified in DOUG. In addition, cRNA-seq analysis provided data for integration into the Qiagen Ingenuity Pathway Analysis software for canonical pathway analysis. Of the 81 distinct pathways identified within the clusters, 33 had been implicated in the pathogenesis of OSA, of which 18 had not been reported previously in canine OSA.
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Affiliation(s)
- Jordan Ayers
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Rowan J Milner
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | | | - Alberto Riva
- ICBR Bioinformatics Core, University of Florida, Gainesville, FL
| | - Sandra Bechtel
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Bikash Sahay
- Infectious Diseases and Immunology, College of Veterinary Medicine
| | - Matthew Cascio
- Pediatric Hematology-Oncology, Department of Pediatrics, College of Medicine
| | - Amandine Lejeune
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Keijiro Shiomitsu
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Carlos Souza
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Oscar Hernandez
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
| | - Marc Salute
- Departments of Small Animal Clinical Sciences, College of Veterinary Medicine
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109
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Xi X, Bao Y, Zhou Y, Chen Y, Zhong X, Liao J, Zhou J, Xu S, Cao Z, Hu K, Hu Y, He X, Zhou L, Lin H, Wu Q. Oncogenic gene TRIM10 confers resistance to cisplatin in osteosarcoma cells and activates the NF-κB signaling pathway. Cell Biol Int 2021; 45:74-82. [PMID: 32997424 DOI: 10.1002/cbin.11468] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/16/2020] [Accepted: 09/26/2020] [Indexed: 02/05/2023]
Abstract
Deregulation of tripartite motif (TRIM) family proteins contribute to multiple biological processes such as neurodegeneration, development, inflammation, cell survival, apoptosis, and carcinogenesis. However, the biological function and molecular mechanism of TRIM family proteins in osteosarcoma chemoresistance remain unclear. In the current study, we found the protein expression of TRIM10 was markedly overexpressed in cisplatin resistance's osteosarcoma tissues and TRIM10 overexpression was inversely correlated with osteosarcoma patient survival. Furthermore, overexpression of TRIM10 confers cisplatin resistance on osteosarcoma cells; however, repressing TRIM10 sensitized osteosarcoma cell lines to cisplatin cytotoxicity in vitro. Mechanically, TRIM10 upregulated the nuclear levels of p65, thereby activating canonical NF-κB signaling. Taken together, our results suggest that TRIM10 contributed to cisplatin resistance in osteosarcoma cells, and targeting the TRIM10/p65 axis may represent a promising strategy to enhance cisplatin response in osteosarcoma patients with chemoresistance.
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Affiliation(s)
- Xinhua Xi
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Yongzheng Bao
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Yangfan Zhou
- Department of Pathology, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
- Department of Pathology, Guangdong Provincial Emergency Hospital, Guangzhou, Guangdong, China
| | - Yu Chen
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Xueren Zhong
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Junjian Liao
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Jun Zhou
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Sitao Xu
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Ziye Cao
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Konghe Hu
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Yongyu Hu
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Xiaolong He
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Longze Zhou
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
| | - Hongsheng Lin
- Department of Orthopaedics, The First Affiliated Hospital, Jinan University, Guangzhou, Guangdong, China
| | - Qiang Wu
- Department of Orthopaedics, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, Guangdong, China
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110
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Song QH, Guo MJ, Zheng JS, Zheng XH, Ye ZH, Wei P. Study on Targeting Relationship Between miR-320b and FGD5-AS1 and Its Effect on Biological Function of Osteosarcoma Cells. Cancer Manag Res 2020; 12:13589-13598. [PMID: 33408528 PMCID: PMC7781231 DOI: 10.2147/cmar.s264682] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 07/29/2020] [Indexed: 01/21/2023] Open
Abstract
Objective To probe into the expression of FGD5-AS1 in osteosarcoma and its relationship with miR-320b. Methods The tissue and serum samples of 97 patients with osteosarcoma were collected, and the serum samples of 100 healthy subjects who concurrently underwent physical examination were selected as the control. FGD5-AS1 expression in tissues and serum was detected, and osteosarcoma cells were transfected to measure cell behaviors such as proliferation, invasion and apoptosis. Results FGD5-AS1 was highly expressed in osteosarcoma, and its elevated expression indicated poor survival of patients. Serum FGD5-AS1 was related to tumor size and clinical stage and could be used for the diagnosis of osteosarcoma. The study of osteosarcoma cell lines U2OS and SaOS-2 showed that after inhibiting FGD5-AS1, the viability and invasion capacity of osteosarcoma cells decreased statistically compared with the control group (CG), while the apoptosis ability could be improved by further regulating apoptotic proteins (P<0.05). Detection of EMT-related proteins identified that E-cadherin increased while N-cadherin decreased significantly after FGD5-AS1 inhibition (P<0.05). Correlation analysis revealed a negative correlation between miR-320b and FGD5-AS1 (r = −0.410, P<0.001). Overexpression of miR-320b significantly inhibited cell viability, invasion and EMT ability, and increased the apoptosis rate, while inhibiting miR-320b expression produced the opposite results. The targeting relationship between miR-320b and FGD5-AS1 was confirmed through the biological prediction website, luciferase assay and RNA binding protein immunoprecipitation (RIP) assay. Inhibition of miR-320b could reverse the regulatory effect of FGD5-AS1 knockdown on osteosarcoma cells. Conclusion FGD5-AS1 is highly expressed in osteosarcoma and is involved in the biological procession of osteosarcoma by targeting miR-320b.
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Affiliation(s)
- Qing-Hua Song
- Department of Repair and Reconstruction Surgery, The First Hospital of Ningbo, Ningbo, Zhejiang Province 315000, People's Republic of China
| | - Ming-Jun Guo
- Department of Repair and Reconstruction Surgery, The First Hospital of Ningbo, Ningbo, Zhejiang Province 315000, People's Republic of China
| | - Jun-Shui Zheng
- Medical College, Ningbo University, Ningbo, Zhejiang Province 315000, People's Republic of China
| | - Xue-Hong Zheng
- Department of Repair and Reconstruction Surgery, The First Hospital of Ningbo, Ningbo, Zhejiang Province 315000, People's Republic of China
| | - Zhao-Hui Ye
- Department of Repair and Reconstruction Surgery, The First Hospital of Ningbo, Ningbo, Zhejiang Province 315000, People's Republic of China
| | - Peng Wei
- Department of Repair and Reconstruction Surgery, The First Hospital of Ningbo, Ningbo, Zhejiang Province 315000, People's Republic of China
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111
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Zhao A, Liu W, Cui X, Wang N, Wang Y, Sun L, Xue H, Wu L, Cui S, Yang Y, Bai R. lncRNA TUSC7 inhibits osteosarcoma progression through the miR‑181a/RASSF6 axis. Int J Mol Med 2020; 47:583-594. [PMID: 33416181 PMCID: PMC7797460 DOI: 10.3892/ijmm.2020.4825] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/16/2020] [Indexed: 01/04/2023] Open
Abstract
Osteosarcoma (OS) is one of the most aggressive malignancies, accompanied by an elevated incidence and a decreased rate of healing. Recently, several long non-coding RNAs (lncRNAs) have been reported to be involved in OS progression. Although tumor suppressor candidate 7 (TUSC7) was reported as a novel lncRNA, little is known about its biological functions in OS. The present study was designed to explore whether TUSC7 was involved in the pathological development of OS using various methods, including hematoxylin and eosin staining, Cell Counting Kit-8 assay, colony formation assay and Transwell assay. The present study revealed that TUSC7 expression was downregulated in OS tissues and cell lines compared with in normal tissues and cell lines. Functionally, the current results revealed that overexpression of TUSC7 inhibited OS cell proliferation, migration and invasion, while promoting apoptosis in vitro and in vivo. Next, the subcellular distribution of TUSC7 was examined by nuclear/cytoplasmic RNA fractionation and reverse transcription-quantitative PCR. Mechanistic studies revealed that TUSC7 exerted its role by sponging microRNA (miR)-181a in OS cell lines. Ras association domain family member 6 (RASSF6) was confirmed as a target gene of miR-181a, and the expression levels of RASSF6 were negatively regulated by miR-181a. Additionally, the results of rescue experiments suggested that overexpression of miR-181a neutralized the inhibitory effects of TUSC7 overexpression on OS cells. Overall, the present study demonstrated that the tumor suppressor role of TUSC7 in OS progression was mediated through the miR-181a/RASSF6 axis, which may represent a new therapeutic target for OS.
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Affiliation(s)
- Aiqing Zhao
- Department of Joint Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Wanlin Liu
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Xiaolong Cui
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Na Wang
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Yuxin Wang
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Liang Sun
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Huiqin Xue
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Lishuan Wu
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Shuxia Cui
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Yun Yang
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
| | - Rui Bai
- Department of Joint Surgery, The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, Inner Mongolia 10030, P.R. China
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112
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Bicanova L, Kreilmeier-Berger T, Reifinger M, Holzmann K, Kleiter M. Prevalence and potentially prognostic value of C-circles associated with alternative lengthening of telomeres in canine appendicular osteosarcoma. Vet Comp Oncol 2020; 19:222-231. [PMID: 33211388 PMCID: PMC8247038 DOI: 10.1111/vco.12665] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 12/16/2022]
Abstract
Alternative lengthening of telomeres (ALT) is a telomerase‐independent telomere maintenance mechanism (TMM) with high prevalence in human osteosarcomas but remains unknown in canine osteosarcomas. The aim of this study was to evaluate the prevalence of ALT by detection of extra‐chromosomal circles of telomeric DNA and to assess clinical outcome in canine patients with spontaneous occurring appendicular osteosarcoma. Fifty dogs with histopathological confirmed osteosarcomas were included into this study. Medical records were retrospectively analysed for patient characteristics, oncologic therapy and survival. DNA was isolated from archived FFPE tumour tissue specimens and applied for C‐ and G‐circle assay (CCA and GCA) and for telomeric content (TC) measurement with radiolabeled probes. ALT activity was detected for 10 of 50 (20%) cases by CCA. Four CCA positive cases were detected even with input DNA below 1 ng and demonstrated the high sensitivity of CCA for canine tumours. G‐circles and TC were not suitable to distinguish CCA positive and negative cases. CCA‐status showed an association with male gender and Rottweiler breed. Dogs with CCA positive osteosarcomas had shorter overall survival times than patients with CCA‐tumours and CCA‐status was a significant prognostic factor besides treatment in the Cox proportional hazard model. These findings make canine osteosarcomas an interesting model for comparative TMM research, but future studies are warranted to investigate if CCA‐status can serve as novel prognostic marker.
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Affiliation(s)
- Ludmila Bicanova
- Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
| | | | - Martin Reifinger
- Department of Pathobiology, University of Veterinary Medicine, Vienna, Austria
| | - Klaus Holzmann
- Department of Medicine I, Division: Institute of Cancer Research, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Miriam Kleiter
- Department for Companion Animals and Horses, University of Veterinary Medicine, Vienna, Austria
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113
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Wang Z, Deng M, Chen L, Wang W, Liu G, Liu D, Han Z, Zhou Y. Circular RNA Circ-03955 Promotes Epithelial-Mesenchymal Transition in Osteosarcoma by Regulating miR-3662/Metadherin Pathway. Front Oncol 2020; 10:545460. [PMID: 33312941 PMCID: PMC7708376 DOI: 10.3389/fonc.2020.545460] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 09/14/2020] [Indexed: 01/05/2023] Open
Abstract
Osteosarcoma is the most common primary malignant tumor, especially in children and adolescents. Circular RNAs (circRNAs) are found to play roles in the progression of osteosarcoma. However, the exact functions of circRNAs in osteosarcoma development still need to be clarified. We obtained differentially expressed circRNAs and miRNAs from a GSE99671 data set (GEO database). The gene co-expression network of ceRNAs and osteosarcoma-related genes was analyzed using the STRING database. qRT-PCR was used to detect the expression of circ-03955 and miR-3662. Transwell assays and flow cytometry were performed to detect phenotypic changes in cell function. A xenograft tumor model was established using BALB/c nude mice. Dual luciferase activity and RNA immunoprecipitation assays were performed to assess the relationship between circ-03955, miR-3662, and metadherin (MTDH). Immunohistochemistry, immunofluorescence, and Western blotting were used to assess protein expression levels. Circ-03955 was significantly upregulated, and miR-3662 was downregulated in osteosarcoma. Circ-03955 silencing inhibited the growth and metastasis of osteosarcoma. Mechanism analysis revealed that circ-03955 could bind to miR-3662, and the latter could target MTDH, leading to its suppressed expression and facilitating epithelial-mesenchymal transition (EMT). All these findings demonstrate that the presence of circ-03955 promotes EMT in osteosarcoma by acting as miR-3662 sponge-mediated MTDH expression.
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Affiliation(s)
- Zhengguang Wang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Mingsi Deng
- Department of Stomatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Liangjian Chen
- Department of Stomatology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Weiguo Wang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Gengyan Liu
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Dongbiao Liu
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Zhipeng Han
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhou
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, China
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114
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Harman RM, Das SP, Bartlett AP, Rauner G, Donahue LR, Van de Walle GR. Beyond tradition and convention: benefits of non-traditional model organisms in cancer research. Cancer Metastasis Rev 2020; 40:47-69. [PMID: 33111160 DOI: 10.1007/s10555-020-09930-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 09/01/2020] [Indexed: 02/07/2023]
Abstract
Traditional laboratory model organisms are indispensable for cancer research and have provided insight into numerous mechanisms that contribute to cancer development and progression in humans. However, these models do have some limitations, most notably related to successful drug translation, because traditional model organisms are often short-lived, small-bodied, genetically homogeneous, often immunocompromised, are not exposed to natural environments shared with humans, and usually do not develop cancer spontaneously. We propose that assimilating information from a variety of long-lived, large, genetically diverse, and immunocompetent species that live in natural environments and do develop cancer spontaneously (or do not develop cancer at all) will lead to a more comprehensive understanding of human cancers. These non-traditional model organisms can also serve as sentinels for environmental risk factors that contribute to human cancers. Ultimately, expanding the range of animal models that can be used to study cancer will lead to improved insights into cancer development, progression and metastasis, tumor microenvironment, as well as improved therapies and diagnostics, and will consequently reduce the negative impacts of the wide variety of cancers afflicting humans overall.
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Affiliation(s)
- Rebecca M Harman
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Sanjna P Das
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Arianna P Bartlett
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Gat Rauner
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Leanne R Donahue
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Gerlinde R Van de Walle
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA.
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Characterization of D-17 Canine Osteosarcoma Cell Line and Evaluation of Its Ability to Response to Infective Stressor Used as Alternative Anticancer Therapy. Animals (Basel) 2020; 10:ani10111981. [PMID: 33126659 PMCID: PMC7693922 DOI: 10.3390/ani10111981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/16/2020] [Accepted: 10/20/2020] [Indexed: 01/04/2023] Open
Abstract
Simple Summary Osteosarcoma (OSA) is the most common primary bone tumor both in dogs and in humans. Canine and human OSA share common characteristics making dogs a good model in comparative oncology. In the last years, in order to reduce animal testing, researchers shifted their attention to in vitro studies using cell lines. Aim of this work is to understand if cells obtained from canine metastatic pulmonary OSA can be a good model for cancer studies, both in humans and dogs. Results of this study were obtained by: the characterization of the expression of genes involved in the innate immune response, the sequencing of a single gene with a key role in immune response and the evaluation of the capacity of these cells to interact with microorganisms that can be used as alternative anticancer therapies. Obtained data were in agreement with those reported in literature regarding the expression of genes both in spontaneous tumors and in vitro cell lines. So, they confirmed the maintenance of cell line D-17 of the pulmonary metastatic OSA characteristics. The selected cells also demonstrated the ability to interact with the microorganism, this suggests that they may be a possible model for the preliminary evaluation of new therapeutic approaches based on the use of bacteria. Abstract Osteosarcoma (OSA) is a rare cancer both in human and dog although the incidence rate in dogs is 27 times higher than in human. Many studies employed D-17 as cell line for in vitro test to evaluate conventional anticancer therapies; however, little is known about D-17 cell line. The aim of our study was to evaluate the basal level of gene expression of pivotal molecules in the innate immune response and cell cycle regulation and to establish the ability of this cell line to react to Salmonella typhimurium (ST) infective stressor. IL15, IL10, iNOS, TLR5, CD14, PTEN and IL18 were expressed in an inconsistent manner among experiments. The other genes under study were expressed in all samples. ST showed ability to penetrate D-17 causing pro-inflammatory response. Our results outline the expression in D-17 of important genes involved in innate immune response. These results provide important data on D-17 basal gene expression profile useful for in vitro preliminary evaluation of new therapeutic approaches.
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116
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Soghli N, Yousefi T, Abolghasemi M, Qujeq D. NORAD, a critical long non-coding RNA in human cancers. Life Sci 2020; 264:118665. [PMID: 33127516 DOI: 10.1016/j.lfs.2020.118665] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 12/12/2022]
Abstract
The incidence of cancer is growing worldwide, and it is becoming the most common cause of death. Long non-coding RNAs (lncRNAs) are a group of RNA transcripts with a length larger than 200 nucleotides that cannot encode proteins or peptides. LncRNAs regulate different biological functions by controlling gene expressions at transcriptional, translational, and post-translational levels. Non-coding RNA activated by DNA damage (NORAD) is a highly conserved lncRNA necessary for genome stability. LncRNA NORAD is dysregulated in various types of cancers. This biomarker has been involved in numerous processes associated with carcinogeneses, such as cell proliferation, apoptosis, invasion, and metastasis. In this paper, we reviewed the role of lncRNA NORAD and its biological functions in various human cancers to provide future research insights.
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Affiliation(s)
- Negin Soghli
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran; Dental Faculty, Babol University of Medical Sciences, Babol, Iran
| | - Tooba Yousefi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran; Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Department of Clinical Biochemistry, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Abolghasemi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran; Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Department of Clinical Biochemistry, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran; Department of Clinical Biochemistry, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
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117
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Martins Taques M, Guedert R, Moreno K, Monte Mor Rangel M, Ota Hisayasu Suzuki D. Adjuvant electrochemotherapy after debulking in canine bone osteosarcoma infiltration. Artif Organs 2020; 45:309-315. [PMID: 32959401 DOI: 10.1111/aor.13820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/19/2022]
Abstract
Osteosarcoma is a bone cancer considered rare to humans, but common in dogs. Dogs and humans share genetic homology and environmental risk factors. Improving the treatment of osteosarcoma in dogs could also be relevant to improve procedures in humans. Traditional treatments of osteosarcoma involve surgery and chemotherapy. Such treatments are commonly aggressive and not possible for many patients. Electrochemotherapy emerges as a minimally invasive, effective, and safe treatment alternative. Electrochemotherapy combines applications of high-intensity electric fields during short periods with anti-cancer drugs to improve its medicine cytotoxicity. Analyzing the electric field distribution, as well as electric current density, are essential to electrochemotherapy success. This paper brings the first case of a canine osteosarcoma treatment performed with bleomycin and electrochemotherapy. We performed in silico studies with finite element method software to observe the electric field distribution. In silico experiments help to verify possibilities and limitations of treating bone destruction and macro or micro tumor infiltrations around the primary tumor mass. Results show that both needle or plate electrodes are feasible to remove the tumor even with invasion into the bone. Plate electrodes perform well in treating micro infiltrations when associated with conductive gel and direct contact between electrode and bone (without soft tissues). Needle electrodes are effective in treating tumor infiltration on external cortical bone. Multiple applications are needed to cover all cranium layers with sufficient electric field intensity. Electrochemotherapy protocol with needle or plate electrodes does not present sufficient electric current density capable of affecting brain tissue, even in cases of bone destruction.
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Affiliation(s)
- Maurício Martins Taques
- Institute of Biomedical Engineering, Federal University of Santa Catarina (UFSC), Florianopolis, Brazil.,Electrical, Federal Institute of Santa Catarina (IFSC), Joinville, Brazil
| | - Raul Guedert
- Institute of Biomedical Engineering, Federal University of Santa Catarina (UFSC), Florianopolis, Brazil
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Zhang X, Duan S, Tao S, Huang J, Liu C, Xing S, Ren Z, Lei Z, Li Y, Wei G. Polysaccharides from Dendrobium officinale inhibit proliferation of osteosarcoma cells and enhance cisplatin-induced apoptosis. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104143] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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119
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MicroRNAs as Biomarkers in Canine Osteosarcoma: A New Future? Vet Sci 2020; 7:vetsci7040146. [PMID: 33008041 PMCID: PMC7711435 DOI: 10.3390/vetsci7040146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/24/2020] [Accepted: 09/29/2020] [Indexed: 12/15/2022] Open
Abstract
Sarcomas are frequent in dogs and canine species are excellent animal models for studying the human counterpart. However, osteosarcomas are a rare form of sarcoma with high death rates in humans and dogs. miRNAs are small endogenous RNAs that regulate gene expression post-transcriptionally. The discovery of miRNAs could give a contribute in the diagnosis and prognosis of different types of tumors in animal species, as already in humans. The differentiated expression of miRNAs is a frequent finding in cancers and is related to their pathogenesis in many cases. Most canine and human sarcomas show similar miRNA aberrations. Lower levels of miR-1 and miR-133b in canine osteosarcoma tissues were found to increase tumorigenesis through a higher expression of their target genes MET and MCL1. The overexpression of miR-9 promotes a metastatic phenotype in canine osteosarcomas and its capacity as a prognostic biomarker for the disease is currently being evaluated. MicroRNAs at the 14q32 locus could be used as prognostic biomarkers, since their decreased expression has been associated with poor prognosis in canine and human osteosarcomas. Furthermore, a decreased expression of miR-34a in osteosarcoma tumour cells has been associated with shorter disease-free survival times and its reintroduction as a synthetic prodrug shows good potential as a novel therapeutic target to fight the disease. Circulating miR-214 and miR-126 are significantly increased in a broad-spectrum cancer and have the ability to successfully predict the prognosis of dogs. However, further studies are needed to make the use of miRNAs as biomarkers a common practice.
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120
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Mackowiak da Fonseca J, Mackowiak da Fonseca II, Nagamine MK, Massoco CDO, Nishiya AT, Ward JM, Liu S, Leppla SH, Bugge TH, Dagli MLZ. Inhibitory Effects of a Reengineered Anthrax Toxin on Canine and Human Osteosarcoma Cells. Toxins (Basel) 2020; 12:toxins12100614. [PMID: 32987941 PMCID: PMC7601267 DOI: 10.3390/toxins12100614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/12/2020] [Accepted: 09/14/2020] [Indexed: 12/03/2022] Open
Abstract
Canine and human osteosarcomas (OSA) share similarities. Novel therapies are necessary for these tumours. The Bacillus anthracis toxin was reengineered to target and kill cells with high expressions of matrix metalloproteinases (MMPs) and urokinase plasminogen activator (uPA). Since canine OSA express MMPs and uPA, we assessed whether the reengineered toxin could show efficacy against these tumours. Two OSA cell lines (canine D17 and human MG63) and a non-neoplastic canine osteoblastic cell line (COBS) were used. Cells were treated with different concentrations of the reengineered anthrax toxin and cell viability was quantified using MTT assay. The cell cycle, apoptosis, and necrosis were analysed by flow cytometry. The wound-healing assay was performed to quantify the migration capacity of treated cells. D17 and MG63 cells had significantly decreased viability after 24 h of treatment. Cell cycle analysis revealed that OSA cells underwent apoptosis when treated with the toxin, whereas COBS cells arrested in the G1 phase. The wound-healing assay showed that D17 and MG63 cells had a significantly reduced migration capacity after treatment. These results point for the first time towards the in vitro inhibitory effects of the reengineered anthrax toxin on OSA cells; this reengineered toxin could be further tested as a new therapy for OSA.
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Affiliation(s)
- Jonathan Mackowiak da Fonseca
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
| | - Ivone Izabel Mackowiak da Fonseca
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
| | - Marcia Kazumi Nagamine
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
| | - Cristina de Oliveira Massoco
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
| | - Adriana Tomoko Nishiya
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
| | | | - Shihui Liu
- Aging Institute and Division of Infectious Diseases, Department of Medicine, University of Pittsburg, Pittsburgh, PA 15261, USA;
| | - Stephen Howard Leppla
- Microbial Pathogenesis Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA;
| | - Thomas Henrik Bugge
- Proteases & Tissue Remodeling Section, National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD 20892, USA;
| | - Maria Lucia Zaidan Dagli
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, SP, Brazil; (J.M.d.F.); (I.I.M.d.F.); (M.K.N.); (C.d.O.M.); (A.T.N.)
- Correspondence: ; Tel.: +55-11-30917712
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Yang D, Xu T, Fan L, Liu K, Li G. microRNA-216b enhances cisplatin-induced apoptosis in osteosarcoma MG63 and SaOS-2 cells by binding to JMJD2C and regulating the HIF1α/HES1 signaling axis. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2020; 39:201. [PMID: 32972441 PMCID: PMC7517798 DOI: 10.1186/s13046-020-01670-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 08/10/2020] [Indexed: 01/26/2023]
Abstract
Background Although cisplatin-based chemotherapy represents the standard regimen for osteosarcoma (OS), OS patients often exhibit treatment failure and poor prognosis due to chemoresistance to cisplatin. Emerging research has highlighted the tumor suppressive properties of microRNAs (miRNAs or miRs) in various human cancers via the inhibition of the histone demethylase jumonji domain containing protein 2C (JMJD2C). As a coactivator for hypoxia-inducible factor 1α (HIF1α), JMJD2C targets hairy and enhancer of split-1 (HES1) gene. Hence, the current study aimed to elucidate the role of miR-216b in OS cell cisplatin resistance to identify the underlying mechanism of miR-216b regulating the JMJD2C//HIF1α/HES1 signaling. Methods Tumor and paracancerous tissues were collected from OS patients to determine the expression patterns of miR-216b and JMJD2C. After ectopic expression and knockdown experiments in the OS cells, CCK-8 assay and flow cytometry were employed to determine cell viability and apoptosis. The interaction of miR-216b, JMJD2C, HIF1α and HES1 was subsequently determined by dual luciferase reporter, co-immunoprecipitation (IP) and ChIP-qPCR assays. In vivo experiments were conducted to further verify the role of the miR-216b in the resistance of OS cells to cisplatin. Results miR-216b expression was reduced in the OS tissues, as well as the MG63 and SaOS-2 cells. Heightened miR-216b expression was found to be positively correlated with patient survival, and miR-216b further enhanced cisplatin-induced apoptosis of MG63 and SaOS-2 cells. Mechanistically, miR-216b inhibited JMJD2C expression by binding to its 3’UTR. Through interaction with HIF1α, JMJD2C removed the H3K9 methylation modification at the HES1 promoter region, leading to upregulation of HES1 in vitro. Furthermore, miR-216b was observed to increase the tumor growth in nude mice in the presence of cisplatin treatment. HES1 overexpression weakened the effects of miR-216b in MG63 and SaOS-2 cells and in nude mouse xenografts. Conclusion Overall, miR-216b enhanced the sensitivity of OS cells to cisplatin via downregulation of the JMJD2C/HIF1α/HES1 signaling axis, highlighting the capacity of miR-216b as an adjunct to cisplatin chemotherapy in the treatment of OS.
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Affiliation(s)
- Dong Yang
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200433, P.R. China
| | - Tianyang Xu
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200433, P.R. China
| | - Lin Fan
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200433, P.R. China
| | - Kaiyuan Liu
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200433, P.R. China
| | - Guodong Li
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200433, P.R. China.
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Heng L, Jia Z, Sun J, Zhao Y, Zhang K, Zhu Y, Lu S. Integrated Analysis of Competing Endogenous RNAs Network Reveals Potential Signatures in Osteosarcoma Development. Technol Cancer Res Treat 2020; 19:1533033820957025. [PMID: 32912111 PMCID: PMC7488886 DOI: 10.1177/1533033820957025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The purpose of this work was to extract key players such as mRNAs and long non-coding RNA (lncRNAs) in the etiopathogenesis of osteosarcoma (OS). The sequencing analyses (mRNAs and lncRNAs) of OS were conducted followed by differentially expressed mRNAs and lncRNAs (DEmRNAs and DElncRNAs) identification between U-2OS cells with has-miR-590-5p overexpression and negative control cells. Following this, the co-expression and functional enrichment analyses of DEmRNAs and DElncRNAs were carried out. Also, the miRNAs-DElncRNAs-DEmRNAs regulatory network was constructed with DElncRNAs-miRNAs and DElncRNAs-DEmRNAs pairs after the target gene analysis of miRNA. In addition, the ceRNA-has-miR-590-5p was further extracted based on the has-miR-590-5p-DElncRNAs and DElncRNAs-DEmRNAs interactions. Finally, the results of the bioinformatics analysis was verified by reverse-transcription polymerase chain reaction (RT-PCR). Totally, 980 DEmRNAs (539 up-regulated DEmRNAs and 441 down-regulated DEmRNAs) and 682 DElncRNAs (352 up-regulated DElncRNAs and 330 down-regulated DElncRNAs) were extracted between cells with hsa-miR-590-5p overexpression and normal cells. The functional analyses suggested that up-regulated genes were significantly enriched in several GO terms such as signal transduction and cytokine-cytokine receptor interaction pathway while down-regulated genes (SCUBE3, HIST1H4E and EDIL3) were associated with calcium ion binding, cell surface function and nucleosome assembly. Additionally, the miRNAs-DEmRNAs-DEmRNAs network represented 220 pairs among 41 miRNAs, 38 DElncRNAs and 61 DEmRNAs. Furthermore, the ceRNA-hsa-miR-590-5p network consisted of 70 interaction pairs including hsa-miR-590-5p-SCUBE3-CTB-113D17.1, hsa-miR-590-5p-EDIL3-CTB-113D17.1 and hsa-miR-590-5p-HIST1H4E-CTB-113D17.1) among hsa-miR-590-5p, 30 DEmRNAs and 4 down-regulated DElncRNAs. Meanwhile, the RT-PCR results incidated that compared with the blank (KB) and negative control (NC) group, the mRNA expression of SCUBE3, HIST1H4E, and EDIL3 were significantly descreased in mimics group (P value <0.05). The lncRNA CTB-113D17.1 might implicate with OS development probably via serving as a hsa-miR-590-5p sponge to regulate gene targets (SCUBE3, EDIL3 and HIST1H4E), which will facilitate the deep understandings of OS progression.
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Affiliation(s)
- Lisong Heng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, 12480Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China.,Department of Orthopedics, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Zhen Jia
- Department of Endocrinology, Xi'an No. 1 Hospital, Xi'an, Shaanxi, People's Republic of China
| | - Jian Sun
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, 12480Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
| | - Yitong Zhao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, 12480Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
| | - Kun Zhang
- Department of Orthopedics, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Yangjun Zhu
- Department of Orthopedics, Honghui Hospital, 12480Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, 12480Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, People's Republic of China
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Gola C, Iussich S, Noury S, Martano M, Gattino F, Morello E, Martignani E, Maniscalco L, Accornero P, Buracco P, Aresu L, De Maria R. Clinical significance and in vitro cellular regulation of hypoxia mimicry on HIF-1α and downstream genes in canine appendicular osteosarcoma. Vet J 2020; 264:105538. [PMID: 33012439 DOI: 10.1016/j.tvjl.2020.105538] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 09/02/2020] [Accepted: 09/02/2020] [Indexed: 12/11/2022]
Abstract
Cellular adaptation to a hypoxic microenvironment is essential for tumour progression and is largely mediated by HIF-1α and hypoxia-regulated factors, including CXCR4, VEGF-A and GLUT-1. In human osteosarcoma, hypoxia is associated with resistance to chemotherapy as well as with metastasis and poor survival, whereas little is known about its role in canine osteosarcoma (cOSA). This study aimed primarily to evaluate the prognostic value of several known hypoxic markers in cOSA. Immunohistochemical analysis for HIF-1α, CXCR4, VEGF-A and GLUT-1 was performed on 56 appendicular OSA samples; correlations with clinicopathological features and outcome was investigated. The second aim was to investigate the in vitro regulation of markers under chemically induced hypoxia (CoCl2). Two primary canine osteosarcoma cell lines were selected, and Western blotting, immunofluorescence and qRT-PCR were used to study protein and gene expression. Dogs with high-grade OSA (35.7%) were more susceptible to the development of metastases (P = 0.047) and showed high HIF-1α protein expression (P = 0.007). Moreover, HIF-1α overexpression (56%) was correlated with a shorter disease-free interval (DFI; P = 0.01), indicating that it is a reliable negative prognostic marker. The in vitro experiments identified an accumulation of HIF-1α in cOSA cells after chemically induced hypoxia, leading to a significant increase in GLUT-1 transcript (P = 0.02). HIF-1α might be a promising prognostic marker, highlighting opportunities for the use of therapeutic strategies targeting the hypoxic microenvironment in cOSA. These results reinforce the role of the dog as a comparative animal model since similar hypoxic mechanisms are reported in human osteosarcoma.
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Affiliation(s)
- C Gola
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - S Iussich
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - S Noury
- Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
| | - M Martano
- Department of Veterinary Science, University of Parma, Parma (PR)
| | - F Gattino
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - E Morello
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - E Martignani
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - L Maniscalco
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - P Accornero
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - P Buracco
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - L Aresu
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy
| | - R De Maria
- Department of Veterinary Science, University of Turin, Grugliasco (TO), Italy.
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Ren S, Zhang X, Hu Y, Wu J, Ju Y, Sun X, Liu Y, Shan B. Blocking the Notch signal transduction pathway promotes tumor growth in osteosarcoma by affecting polarization of TAM to M2 phenotype. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1057. [PMID: 33145276 PMCID: PMC7575992 DOI: 10.21037/atm-20-3881] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Osteosarcoma is a primary malignant tumor that seriously affects the health and life of patients. It is of great clinical significance to explore the molecular mechanism of osteosarcoma development and develop the corresponding therapeutic targets. Th1/Th2 cytokines in the normal human body are in a state of dynamic balance. When this balance is destroyed, it is related to many diseases such as a tumor, autoimmune disease, microbial infection, transplant rejection, among many others. Method The model of mouse tumor-associated macrophage (TAM) was induced by being co-cultured with inducer granulocyte-macrophage colony stimulating factor (GM-CSF) and osteosarcoma S180 cells. The Notch1 knockout mice were obtained by gene targeting technology. The distribution of M1- and M2-type TAMs in the tumor was visualized by immunofluorescence staining. And the western-blot testing was used to detect and quantified the protein level of Notch1 and Th1/Th2-type cytokines. Results In this study, the polarization of TAMs to the M2 phenotype occurred after coculture with osteosarcoma S180 cells and secretion level Th1/Th2-type cytokines changed. Also, the expression level of Notch1 reduced significantly. Further, the critical transcription factor Notch1 of the Notch signaling pathway was knocked out in mice. The tumor volume of Notch1 knockout mice was significantly more extensive than of the control mice. The results of microstructural observation on tumor showed that M2-type TAMs infiltrated into tumor increased with increased expression of Th2-type cytokines, but M1-type TAMs reduced with reduced expression of Th1-type cytokines. Conclusions According to our results, the Notch signal transduction pathway participates in tumor occurrence and growth with a negative role by maintaining Th1/Th2 balance.
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Affiliation(s)
- Shuguang Ren
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiangmei Zhang
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yueyang Hu
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jianhua Wu
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yingchao Ju
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xu Sun
- Hospital of Stomatology Hebei Medical University, Shijiazhuang, China
| | - Yunjiang Liu
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Baoen Shan
- The Fourth Hospital of Hebei Medical University, Shijiazhuang, China
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Hu C, Liu C, Tian S, Wang Y, Shen R, Rao H, Li J, Yang X, Chen B, Ye L. Comprehensive analysis of prognostic tumor microenvironment-related genes in osteosarcoma patients. BMC Cancer 2020; 20:814. [PMID: 32854645 PMCID: PMC7450807 DOI: 10.1186/s12885-020-07216-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 07/26/2020] [Indexed: 12/14/2022] Open
Abstract
Background Tumor microenvironment (TME) plays an important role in malignant tumors. Our study aimed to investigate the effect of the TME and related genes in osteosarcoma patients. Methods Gene expression profiles and clinical data of osteosarcoma patients were downloaded from the TARGET dataset. ESTIMATE algorithm was used to quantify the immune score. Then, the association between immune score and prognosis was studied. Afterward, a differential analysis was performed based on the high- and low-immune scores to determine TME-related genes. Additionally, Cox analyses were performed to construct two prognostic signatures for overall survival (OS) and disease-free survival (DFS), respectively. Two datasets obtained from the GEO database were used to validate signatures. Results Eighty-five patients were included in our research. The survival analysis indicated that patients with higher immune score have a favorable OS and DFS. Moreover, 769 genes were determined as TME-related genes. The unsupervised clustering analysis revealed two clusters were significantly related to immune score and T cells CD4 memory fraction. In addition, two signatures were generated based on three and two TME-related genes, respectively. Both two signatures can significantly divide patients into low- and high-risk groups and were validated in two GEO datasets. Afterward, the risk score and metastatic status were identified as independent prognostic factors for both OS and DFS and two nomograms were generated. The C-indexes of OS nomogram and DFS nomogram were 0.791 and 0.711, respectively. Conclusion TME was associated with the prognosis of osteosarcoma patients. Prognostic models based on TME-related genes can effectively predict OS and DFS of osteosarcoma patients.
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Affiliation(s)
- Chuan Hu
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Chuan Liu
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, China
| | - Shaoqi Tian
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuanhe Wang
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Rui Shen
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Huili Rao
- Department of Nursing, Sir Run Run Shaw Hospital Affiliated to Zhejiang University, Hangzhou, China
| | - Jianyi Li
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xu Yang
- Department of Joint Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Bo Chen
- Wenzhou Medical University, Wenzhou, China
| | - Lin Ye
- Wenzhou Medical University, Wenzhou, China.
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Liao SA, Guan J, Mo H, He JL, Zhan XL. lncRNA LSINCT5 Regulates miR-20a-5p/XIAP to Inhibit the Growth and Metastasis of Osteosarcoma Cells. Onco Targets Ther 2020; 13:8209-8221. [PMID: 32884299 PMCID: PMC7443453 DOI: 10.2147/ott.s251843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/24/2020] [Indexed: 12/12/2022] Open
Abstract
Background More and more evidence has shown that non-coding RNA (ncRNA), including long ncRNA (lncRNA) and micro RNA (miRNA), plays a crucial regulatory role in osteosarcoma (OS). Previously, we revealed a Rho-related coiled coil incorporating protein kinase 1(XIAP). A transfer-related gene is negatively regulated by microRNA-20a-5p (miR-20a-5p) and plays the role of oncogene in OS. It is not clear if any lncRNA is involved in the axial upstream of miR-20a-5p/XIAP. Methods Expression of LSINCT5 and miR-20a-5p/XIAP in OS tissues was determined through qRT-PCR (qP). The proliferation and migration/invasion activity of OS cells were tested through CCK-8/and transwell assay, respectively. The changes on expression of XIAP were examined through qRT-PCR and Western blot (WB). Targeted binding between LSINCT5, miR-20a-5p, and XIAP has been verified using dual luciferase reporter gene analysis, RNA Immunoprecipitation (RIP), and RNA pull-down experiments. The effect of LSINCT5 on tumor growth was determined by tumor allograft test. Results In this study, elevated LSINCT5 was found in OS tissue samples and OS cell strains, and the increased LSINCT5 was strongly related to the adverse prognosis of clinical patients. Functional assays showed that inhibition of LSINCT5 could up-regulate miR-20a-5p-mediated OS cells proliferation and metastasis. WB analysis and qP analysis showed that LSINCT5 regulated XIAP by mediating miR-20a-5p. Further cell behavior experiments showed that LSINCT5 acted as a miR-20a-5p sponge to inhibit proliferation and metastasis caused by XIAP. Finally, the results of animal models in vivo showed that LSINCT5 could regulate the tumor growth of OS. Conclusion LncRNA LSINCT5 acts as an oncogene and promotes XIAP mediated growth and metastasis as competitive endogenous RNA (ceRNA) in OS.
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Affiliation(s)
- Shi-An Liao
- Department of Spine and Osteopathy Ward, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, People's Republic of China
| | - Jian Guan
- Department of Bone and Soft Tissue Surgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi Province, People's Republic of China
| | - Hao Mo
- Department of Bone and Soft Tissue Surgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi Province, People's Republic of China
| | - Ju-Liang He
- Department of Bone and Soft Tissue Surgery, Guangxi Medical University Cancer Hospital, Nanning, Guangxi Province, People's Republic of China
| | - Xin-Li Zhan
- Department of Spine and Osteopathy Ward, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi Province, People's Republic of China
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Xiao Y, Li C, Wang H, Liu Y. LINC00265 targets miR-382-5p to regulate SAT1, VAV3 and angiogenesis in osteosarcoma. Aging (Albany NY) 2020; 12:20212-20225. [PMID: 33109774 PMCID: PMC7655165 DOI: 10.18632/aging.103762] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023]
Abstract
We explored the mechanism by which LINC00265 regulates angiogenesis of osteosarcoma cells via the miR-382-5p/spermidine/spermine N1-acetyltransferase-1 (SAT1) and miR-382-5p/vav guanine nucleotide exchange factor 3 (VAV3) axis. Cell scratch assay, Transwell assay and tube formation assay were applied to detect cell migration, invasion and tube formation abilities. The effects of LINC00265 targeting miR-382-5p in osteosarcoma in vivo were studied using a tumour-burden assay. A total of 70 genes potentially involved in osteosarcoma angiogenesis were identified, and a Gene Ontology (GO) analysis found that SAT1 and VAV3 were closely related to angiogenesis. Bioinformatics analysis and clinical experiments confirmed that LINC00265, SAT1 and VAV3 were overexpressed in osteosarcoma and related to a poor prognosis, whereas miR-382-5p was downregulated and associated with a poor prognosis. It was confirmed that LINC00265 promoted the proliferation, migration, invasion and angiogenesis of osteosarcoma cells by targeting miR-382-5p to mediate SAT1 and VAV3. Collectively, LINC00265 might promote proliferation, migration, invasion and angiogenesis by targeting miR-382-5p/SAT1 and miR-382-5p/VAV3 in osteosarcoma.
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Affiliation(s)
- Ying Xiao
- Department of Operating Center, The First Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Chunling Li
- Department of Operating Center, The First Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Hongyue Wang
- Department of Nephrology, The First Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Yijun Liu
- Department of Orthopaedics, The First Hospital of Jilin University, Changchun 130000, Jilin, China
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Li Q, Wang X, Jiang N, Xie X, Liu N, Liu J, Shen J, Peng T. Exosome-transmitted linc00852 associated with receptor tyrosine kinase AXL dysregulates the proliferation and invasion of osteosarcoma. Cancer Med 2020; 9:6354-6366. [PMID: 32673448 PMCID: PMC7476833 DOI: 10.1002/cam4.3303] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/23/2020] [Accepted: 06/27/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Receptor tyrosine kinase AXL has been found to be highly expressed in osteosarcoma and positively associated with poor prognosis. There are tumor groups with high or low AXL expression, which had different capabilities of invading vessels and forming distal metastases. Exosome-transmitted lncRNA may be transferred intercellularly to promote tumor cells' proliferation and invasion. METHODS Exosomes were detected by electron microscopy, particle size analysis, and western blotting. High-throughput sequencing helped to find the highest differentially expressed lncRNA in AXL-associated exosomes. Clone formation, wound healing, transwell assay, and xenograft model in nude mice were performed to evaluate cells' proliferation, migration, and invasion in vitro and in vivo. Lentiviral transfection was used to up- or down-regulate the lncRNA levels in cell lines. Luciferase reporter assay and RNA FISH etchelped to indicate the molecular mechanisms. The results in the cell lines were proved in the osteosarcoma tissues with clinical analysis. RESULTS The exosomes derived from donor cells with high AXL expression could promote the proliferation and invasion and upregulate AXL expression of the receiver cells with low AXL. Linc00852 was the highest differentially expressed lncRNA in AXL-associated exosomes and was also regulated by AXL expression. Although the mechanisms of linc00852 in nucleus were unrevealed, it could upregulate AXL expression partly by competitively binding to miR-7-5p. The AXL-exosome-linc00852-AXL positive feedback loop might exist between the donor cells and the receiver cells. Clinically, linc00852 was significantly highly expressed in osteosarcoma tissues and positively associated with tumor volumes and metastases, which was also obviously related with AXL mRNA expression. CONCLUSION AXL-associated exosomal linc00852 up-regulated the proliferation, migration, and invasion of osteosarcoma cells, which would be considered as a new tumor biomarker and a special therapeutic target for osteosarcoma.
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Affiliation(s)
- Qiming Li
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Xuedi Wang
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Nian Jiang
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Xianbiao Xie
- Department of Musculoskeletal Oncology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Ni Liu
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - JunFeng Liu
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Jingnan Shen
- Department of Musculoskeletal Oncology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
| | - Tingsheng Peng
- Department of Pathology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, P. R. China
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Lee J, Moon H, Ku B, Lee K, Hwang CY, Baek SJ. Anticancer Effects of Cold Atmospheric Plasma in Canine Osteosarcoma Cells. Int J Mol Sci 2020; 21:E4556. [PMID: 32604902 PMCID: PMC7349329 DOI: 10.3390/ijms21124556] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/13/2020] [Accepted: 06/24/2020] [Indexed: 12/12/2022] Open
Abstract
Osteosarcoma is known to be one of the frequently occurring cancers in dogs. Its prognosis is usually very poor, with a high incidence of lung metastasis. Although radiation therapy has become a major therapeutic choice for canine osteosarcoma, the high costs and unexpected side effects prevent some patients from considering this treatment. Cold atmospheric plasma (CAP) is an ionized gas with high energy at low temperatures, and it produces reactive oxygen species that mediate many signaling pathways. Although many researchers have used CAP as an anticancer therapeutic approach in humans, its importance has been neglected in veterinary medicine. In this study, D-17 and DSN canine osteosarcoma cell lines were treated with CAP to observe its anticancer activity. By high-content screening and flow cytometry, CAP-treated cells showed growth arrest and apoptosis induction. Moreover, the osteosarcoma cells exhibited reduced migration and invasion activity when treated with CAP. Overall, CAP exerted an anticancer effect on canine osteosarcoma cell lines. CAP may have the potential to be used as a novel modality for treating cancer in veterinary medicine.
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Affiliation(s)
- Jaehak Lee
- College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (J.L.); (H.M.); (C.-Y.H.)
| | - Hyunjin Moon
- College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (J.L.); (H.M.); (C.-Y.H.)
| | - Bonghye Ku
- R&D Center, PSM Inc. Jungwon-gu, Seongnam-si, Gyeonggi-do 13207, Korea; (B.K.); (K.L.)
| | - Keunho Lee
- R&D Center, PSM Inc. Jungwon-gu, Seongnam-si, Gyeonggi-do 13207, Korea; (B.K.); (K.L.)
| | - Cheol-Yong Hwang
- College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (J.L.); (H.M.); (C.-Y.H.)
| | - Seung Joon Baek
- College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea; (J.L.); (H.M.); (C.-Y.H.)
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Fei D, Zhang X, Lu Y, Tan L, Xu M, Zhang Y. Long noncoding RNA AFAP1-AS1 promotes osteosarcoma progression by regulating miR-497/IGF1R axis. Am J Transl Res 2020; 12:2155-2168. [PMID: 32509208 PMCID: PMC7270007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
Long non-coding RNA (lncRNA) actin filament-associated protein 1 antisense RNA 1 (AFAP1-AS1) has been reported to be involved in the progression of multiple cancers. However, exact function and regulatory mechanism of AFAP1-AS1 in osteosarcoma (OS) remain largely unclear. In this study, quantitative real time polymerase chain reaction (qRT-PCR) revealed that AFAP1-AS1 was upregulated in OS tissues and cell lines. Increased AFAP1-AS1 was associated with poor prognosis. Loss-of-function experiments demonstrated that knockdown of AFAP1-AS1 inhibited the proliferation, colony formation, migration, invasion and induced cell apoptosis. Bioinformatics analysis and luciferase reporter assays confirmed that mircoRNA-497 (miR-497) was a directly target of AFAP1-AS1. Rescue experiments confirmed that miR-497 inhibition could partially reverse the inhibitory effect of AFAP1-AS1 knockdown on OS cells. Moreover, AFAP1-AS1 modulated the expression of insulin-like growth factor 1 receptor (IGF1R, a target of miR-497) indirectly. In vivo xenograft tumor assay showed that AFAP1-AS1 knockdown inhibited tumor tumorigenesis. Taken together, these findings indicate that AFAP1-AS1 promotes OS progression by regulating miR-497/IGF1R axis, providing a therapeutic target for OS.
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Affiliation(s)
- Dan Fei
- Department of Ultrasonographic, The Third Hospital of Jilin UniversityChangchun 130033, P. R. China
| | - Xiaona Zhang
- Department of Anesthesiology, The First Hospital of Jilin UniversityChangchun 130021, P. R. China
| | - Yang Lu
- Department of Ultrasonographic, The Third Hospital of Jilin UniversityChangchun 130033, P. R. China
| | - Long Tan
- Department of Ultrasonographic, The Third Hospital of Jilin UniversityChangchun 130033, P. R. China
| | - Mingzhu Xu
- Department of Nephrology, The Third Hospital of Jilin UniversityChangchun 130033, P. R. China
| | - Yang Zhang
- Department of Neurosurgery, The First Hospital of Jilin UniversityChangchun 130021, P. R. China
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Harris MA, Miles MA, Shekhar TM, Cerra C, Georgy SR, Ryan SD, Cannon CM, Hawkins CJ. The Proteasome Inhibitor Ixazomib Inhibits the Formation and Growth of Pulmonary and Abdominal Osteosarcoma Metastases in Mice. Cancers (Basel) 2020; 12:cancers12051207. [PMID: 32403415 PMCID: PMC7281181 DOI: 10.3390/cancers12051207] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 12/17/2022] Open
Abstract
Osteosarcoma is the most common form of primary bone cancer. Over 20% of osteosarcoma patients present with pulmonary metastases at diagnosis, and nearly 70% of these patients fail to respond to treatment. Previous work revealed that human and canine osteosarcoma cell lines are extremely sensitive to the therapeutic proteasome inhibitor bortezomib in vitro. However, bortezomib has proven disappointingly ineffective against solid tumors including sarcomas in animal experiments and clinical trials. Poor tumor penetration has been speculated to account for the inconsistency between in vitro and in vivo responses of solid tumors to bortezomib. Here we show that the second-generation proteasome inhibitor ixazomib, which reportedly has enhanced solid tumor penetration compared to bortezomib, is toxic to human and canine osteosarcoma cells in vitro. We used experimental osteosarcoma metastasis models to compare the efficacies of ixazomib and bortezomib against primary tumors and metastases derived from luciferase-expressing KRIB or 143B human osteosarcoma cell lines in athymic mice. Neither proteasome inhibitor reduced the growth of primary intramuscular KRIB tumors, however both drugs inhibited the growth of established pulmonary metastases created via intravenous inoculation with KRIB cells, which were significantly better vascularized than the primary tumors. Only ixazomib slowed metastases from KRIB primary tumors and inhibited the growth of 143B pulmonary and abdominal metastases, significantly enhancing the survival of mice intravenously injected with 143B cells. Taken together, these results suggest ixazomib exerts better single agent activity against osteosarcoma metastases than bortezomib. These data provide hope that incorporation of ixazomib, or other proteasome inhibitors that penetrate efficiently into solid tumors, into current regimens may improve outcomes for patients diagnosed with metastatic osteosarcoma.
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Affiliation(s)
- Michael A. Harris
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, 3086 Victoria, Australia; (M.A.H.); (M.A.M.); (T.M.S.); (C.C.)
| | - Mark A. Miles
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, 3086 Victoria, Australia; (M.A.H.); (M.A.M.); (T.M.S.); (C.C.)
| | - Tanmay M. Shekhar
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, 3086 Victoria, Australia; (M.A.H.); (M.A.M.); (T.M.S.); (C.C.)
| | - Carmelo Cerra
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, 3086 Victoria, Australia; (M.A.H.); (M.A.M.); (T.M.S.); (C.C.)
| | - Smitha R. Georgy
- Department of Anatomic Pathology, Faculty of Veterinary and Agricultural Sciences, University of Melbourne, 3010 Victoria, Australia;
| | - Stewart D. Ryan
- Translational Research and Animal Clinical Trial Study Group (TRACTS), Faculty of Veterinary and Agricultural Sciences, University of Melbourne, 3010 Melbourne, Australia; (S.D.R.); (C.M.C.)
| | - Claire M. Cannon
- Translational Research and Animal Clinical Trial Study Group (TRACTS), Faculty of Veterinary and Agricultural Sciences, University of Melbourne, 3010 Melbourne, Australia; (S.D.R.); (C.M.C.)
| | - Christine J. Hawkins
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, 3086 Victoria, Australia; (M.A.H.); (M.A.M.); (T.M.S.); (C.C.)
- Correspondence: ; Tel.: +61-3-9479-2339
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Athanasiou AT, Nussbaumer T, Kummer S, Hofer M, Johnston IG, Staltner M, Allmer DM, Scott MC, Vogl C, Fenger JM, Modiano JF, Walter I, Steinborn R. S100A4 mRNA-protein relationship uncovered by measurement noise reduction. J Mol Med (Berl) 2020; 98:735-749. [PMID: 32296879 PMCID: PMC7241963 DOI: 10.1007/s00109-020-01898-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 02/28/2020] [Accepted: 03/12/2020] [Indexed: 10/30/2022]
Abstract
Intrinsic biological fluctuation and/or measurement error can obscure the association of gene expression patterns between RNA and protein levels. Appropriate normalization of reverse-transcription quantitative PCR (RT-qPCR) data can reduce technical noise in transcript measurement, thus uncovering such relationships. The accuracy of gene expression measurement is often challenged in the context of cancer due to the genetic instability and "splicing weakness" involved. Here, we sequenced the poly(A) cancer transcriptome of canine osteosarcoma using mRNA-Seq. Expressed sequences were resolved at the level of two consecutive exons to enable the design of exon-border spanning RT-qPCR assays and ranked for stability based on the coefficient of variation (CV). Using the same template type for RT-qPCR validation, i.e. poly(A) RNA, avoided skewing of stability assessment by circular RNAs (circRNAs) and/or rRNA deregulation. The strength of the relationship between mRNA expression of the tumour marker S100A4 and its proportion score of quantitative immunohistochemistry (qIHC) was introduced as an experimental readout to fine-tune the normalization choice. Together with the essential logit transformation of qIHC scores, this approach reduced the noise of measurement as demonstrated by uncovering a highly significant, strong association between mRNA and protein expressions of S100A4 (Spearman's coefficient ρ = 0.72 (p = 0.006)). KEY MESSAGES: • RNA-seq identifies stable pairs of consecutive exons in a heterogeneous tumour. • Poly(A) RNA templates for RT-qPCR avoid bias from circRNA and rRNA deregulation. • HNRNPL is stably expressed across various cancer tissues and osteosarcoma. • Logit transformed qIHC score better associates with mRNA amount. • Quantification of minor S100A4 mRNA species requires poly(A) RNA templates and dPCR.
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Affiliation(s)
| | - Thomas Nussbaumer
- Computational Systems Biology, University of Vienna, Althanstrasse 14, A-1090, Vienna, Austria
| | - Stefan Kummer
- VetBioBank, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Martin Hofer
- Genomics Core Facility, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Iain G Johnston
- Department of Mathematics, University of Bergen, Bergen, Norway
| | - Moritz Staltner
- Genomics Core Facility, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Daniela M Allmer
- Genomics Core Facility, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Milcah C Scott
- College of Veterinary Medicine and Masonic Cancer Center, University of Minnesota, 425 East River Road, Minneapolis, MN, USA
| | - Claus Vogl
- Institute of Animal Breeding and Genetics, Department for Biomedical Sciences, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Joelle M Fenger
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, 1900 Coffey Road, Columbus, OH, USA
| | - Jaime F Modiano
- College of Veterinary Medicine and Masonic Cancer Center, University of Minnesota, 425 East River Road, Minneapolis, MN, USA
| | - Ingrid Walter
- VetBioBank, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
- Institute of Pathology, Department of Pathobiology, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria
| | - Ralf Steinborn
- Genomics Core Facility, VetCore, University of Veterinary Medicine, Veterinärplatz 1, A-1210, Vienna, Austria.
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133
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Atherton MJ, Lenz JA, Mason NJ. Sarcomas-A barren immunological wasteland or field of opportunity for immunotherapy? Vet Comp Oncol 2020; 18:447-470. [PMID: 32246517 DOI: 10.1111/vco.12595] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/13/2020] [Accepted: 03/24/2020] [Indexed: 12/11/2022]
Abstract
Key advances in our understanding of immunobiology and the immunosuppressive mechanisms of the tumour microenvironment have led to significant breakthroughs in manipulating the immune system to successfully treat cancer. Remarkable therapeutic responses have occurred with tumours that carry a high mutational burden. In these cases, pre-existing tumour-specific T cells can be rejuvenated via checkpoint inhibition to eliminate tumours. Furthermore, durable remissions have been achieved in haematological malignancies following adoptive transfer of T cells that specifically target cell surface proteins where expression is restricted to the malignancy's cell of origin. Soft tissue sarcomas and bone sarcomas have a paucity of non-synonymous somatic mutations and do not commonly express known, targetable, tumour-specific antigens. Historically, soft tissue sarcomas have been considered immunologically 'cold' and as such, unlikely candidates for immune therapy. Here, we review the immune landscape of canine and feline sarcomas and the immunotherapeutic strategies that have been employed in veterinary clinical trials to improve patient outcome. We also provide insight into immunotherapeutic approaches being used to treat human sarcomas. Together, current data indicates that, rather than a barren immunological wasteland, sarcomas represent a field of opportunities for immunotherapies. Furthermore, we and others would suggest that strategic combinations of immunotherapeutic approaches may hold promise for more effective treatments for high grade soft tissue sarcomas and bone sarcomas.
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Affiliation(s)
- Matthew J Atherton
- Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jennifer A Lenz
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Nicola J Mason
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Parker Institute for Cancer Immunotherapy, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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134
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Lustgarten JL, Zehnder A, Shipman W, Gancher E, Webb TL. Veterinary informatics: forging the future between veterinary medicine, human medicine, and One Health initiatives-a joint paper by the Association for Veterinary Informatics (AVI) and the CTSA One Health Alliance (COHA). JAMIA Open 2020; 3:306-317. [PMID: 32734172 PMCID: PMC7382640 DOI: 10.1093/jamiaopen/ooaa005] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 12/26/2019] [Accepted: 02/26/2020] [Indexed: 12/25/2022] Open
Abstract
Objectives This manuscript reviews the current state of veterinary medical electronic health records and the ability to aggregate and analyze large datasets from multiple organizations and clinics. We also review analytical techniques as well as research efforts into veterinary informatics with a focus on applications relevant to human and animal medicine. Our goal is to provide references and context for these resources so that researchers can identify resources of interest and translational opportunities to advance the field. Methods and Results This review covers various methods of veterinary informatics including natural language processing and machine learning techniques in brief and various ongoing and future projects. After detailing techniques and sources of data, we describe some of the challenges and opportunities within veterinary informatics as well as providing reviews of common One Health techniques and specific applications that affect both humans and animals. Discussion Current limitations in the field of veterinary informatics include limited sources of training data for developing machine learning and artificial intelligence algorithms, siloed data between academic institutions, corporate institutions, and many small private practices, and inconsistent data formats that make many integration problems difficult. Despite those limitations, there have been significant advancements in the field in the last few years and continued development of a few, key, large data resources that are available for interested clinicians and researchers. These real-world use cases and applications show current and significant future potential as veterinary informatics grows in importance. Veterinary informatics can forge new possibilities within veterinary medicine and between veterinary medicine, human medicine, and One Health initiatives.
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Affiliation(s)
- Jonathan L Lustgarten
- Association for Veterinary Informatics, Dixon, California, USA.,VCA Inc., Health Technology & Informatics, Los Angeles, California, USA
| | | | - Wayde Shipman
- Veterinary Medical Databases, Columbia, Missouri, USA
| | - Elizabeth Gancher
- Department of Infectious diseases and HIV medicine, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
| | - Tracy L Webb
- Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, USA
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135
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Wei G, Zhang T, Li Z, Yu N, Xue X, Zhou D, Chen Y, Zhang L, Yao X, Ji G. USF1-mediated upregulation of lncRNA GAS6-AS2 facilitates osteosarcoma progression through miR-934/BCAT1 axis. Aging (Albany NY) 2020; 12:6172-6190. [PMID: 32269179 PMCID: PMC7185141 DOI: 10.18632/aging.103015] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 02/22/2020] [Indexed: 12/11/2022]
Abstract
Long noncoding RNAs (lncRNAs) have been certified as important regulators in tumorigenesis. LncRNA GAS6-AS2 (GAS6-AS2) was a newly identified tumor-related lncRNA, and its dysregulation and oncogenic effects in melanoma and bladder cancer had been reported in previous studies. However, the expression pattern and potential function of GAS6-AS2 in osteosarcoma (OS) have not been investigated. In this study, we identified a novel OS-related lncRNA GAS6-AS2. We found that GAS6-AS2 was distinctly upregulated in both OS specimens and cell lines. Distinct up-regulation of GAS6-AS2 in OS was correlated with advanced clinical stages and shorter survivals. In addition, USF1 could directly bind to the GAS6-AS2 promoter and contribute to its overexpression. Furthermore, GAS6-AS2 knockdown caused tumor suppressive effects via reducing cellular proliferation, migration and invasion, and promoting OS cell apoptosis. Besides, GAS6-AS2 directly bound to miR-934 and downregulated its expression. Mechanistically, GAS6-AS2 positively regulated the expression of BCAT1 through sponging miR-934. Taken together, our data illustrated how GAS6-AS2 played an oncogenic role in OS and might offer a potential therapeutic target for treating OS.
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Affiliation(s)
- Guojun Wei
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Tianwei Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Xiamen University, Xiamen 361003, Fujian, China
| | - Zongguang Li
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Naichun Yu
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Xiang Xue
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Daguo Zhou
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Yongjie Chen
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Linlin Zhang
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Xiaoli Yao
- Department of Gastroenterology, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
| | - Guangrong Ji
- Department of Orthopaedics, The Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361101, Fujian, China
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136
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Kocikowski M, Dziubek K, Parys M. Hyperprogression Under Immune Checkpoint-Based Immunotherapy-Current Understanding, The Role of PD-1/PD-L1 Tumour-Intrinsic Signalling, Future Directions and a Potential Large Animal Model. Cancers (Basel) 2020; 12:E804. [PMID: 32230745 PMCID: PMC7226013 DOI: 10.3390/cancers12040804] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/22/2020] [Accepted: 03/23/2020] [Indexed: 02/07/2023] Open
Abstract
Immune evasion is a major challenge for the development of successful cancer treatments. One of the known mechanisms is the expression of immune checkpoints (ICs)-proteins regulating the immune cells activation. The advent of immunotherapy using monoclonal antibodies (mAbs) to block the immune checkpoint receptor-ligand interaction brought about a landslide improvement in the treatment responses, leading to a prompt approval of such therapeutics. In recent years, it was discovered that a subset of patients receiving IC blockade treatment experienced a previously unknown pattern of treatment response called hyperprogression (HP), characterised by rapid deterioration on initialisation of the therapy. HP represents an urgent issue for clinicians and drug developers, while posing questions about the adequacy of the current clinical trial process. Here, we briefly summarise the state of knowledge and propose new directions for research into HP mechanisms, focusing on tumour-intrinsic signalling of IC proteins malignantly expressed by cancer. We also discuss the potential role of spontaneously occurring canine cancer in the assessment of immunotherapeutics, which can provide the missing link between murine and human studies.
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Affiliation(s)
- Mikolaj Kocikowski
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.K.); (K.D.)
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, UK
| | - Katarzyna Dziubek
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.K.); (K.D.)
| | - Maciej Parys
- The Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, UK
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137
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Cheng MH, Pan CY, Chen NF, Yang SN, Hsieh S, Wen ZH, Chen WF, Wang JW, Lu WH, Kuo HM. Piscidin-1 Induces Apoptosis via Mitochondrial Reactive Oxygen Species-Regulated Mitochondrial Dysfunction in Human Osteosarcoma Cells. Sci Rep 2020; 10:5045. [PMID: 32193508 PMCID: PMC7081333 DOI: 10.1038/s41598-020-61876-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 03/03/2020] [Indexed: 11/17/2022] Open
Abstract
Osteosarcoma (OSA) is the most common type of cancer that originates in the bone and usually occurs in young children. OSA patients were treated with neoadjuvant chemotherapy and surgery, and the results were disappointing. Marine antimicrobial peptides (AMPs) have been the focus of antibiotic research because they are resistant to pathogen infection. Piscidin-1 is an AMP from the hybrid striped bass (Morone saxatilis × M. chrysops) and has approximately 22 amino acids. Research has shown that piscidin-1 can inhibit bacterial infections and has antinociception and anti-cancer properties; however, the regulatory effects of piscidin-1 on mitochondrial dysfunction in cancer cells are still unknown. We aimed to identify the effects of piscidin-1 on mitochondrial reactive oxygen species (mtROS) and apoptosis in OSA cells. Our analyses indicated that piscidin-1 has more cytotoxic effects against OSA cells than against lung and ovarian cancer cells; however, it has no effect on non-cancer cells. Piscidin-1 induces apoptosis in OSA cells, regulates mtROS, reduces mitochondrial antioxidant manganese superoxide dismutase and mitochondrial transmembrane potential, and decreases adenosine 5′-triphosphate production, thus leading to mitochondrial dysfunction and apoptosis. The mitochondrial antioxidant, mitoTempo, reduces the apoptosis induced by piscidin-1. Results suggest that piscidin-1 has potential for use in OSA treatment.
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Affiliation(s)
- Meng-Hsuan Cheng
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, 80756, Taiwan.,School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.,Department of Respiratory Therapy, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
| | - Chieh-Yu Pan
- Department and Graduate Institute of Aquaculture, National Kaohsiung University of Science and Technology, Kaohsiung, 81101, Taiwan
| | - Nan-Fu Chen
- Division of Neurosurgery, Department of Surgery, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan.,Department of Neurological Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, 11490, Taiwan
| | - San-Nan Yang
- Department of Internal Medicine, E-DA Hospital and College of Medicine, I-SHOU University, Kaohsiung, 84001, Taiwan
| | - Shuchen Hsieh
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan.,Doctoral Degree Program in Marine Biotechnology, Academia Sinica, Taipei, 11529, Taiwan
| | - Wu-Fu Chen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan.,Department of Neurosurgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 83301, Taiwan.,Department of Neurosurgery, Xiamen Chang Gung Hospital, Xiamen, Fujian, China
| | - Jin-Wei Wang
- Department of Orthopedic, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan.
| | - Wen-Hsien Lu
- Department of Orthopedic, Feng Yuan Hospital of the Ministry of Health, Taichung, 42055, Taiwan.
| | - Hsiao-Mei Kuo
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan. .,Center for Neuroscience, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan.
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138
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Judge SJ, Yanagisawa M, Sturgill IR, Bateni SB, Gingrich AA, Foltz JA, Lee DA, Modiano JF, Monjazeb AM, Culp WTN, Rebhun RB, Murphy WJ, Kent MS, Canter RJ. Blood and tissue biomarker analysis in dogs with osteosarcoma treated with palliative radiation and intra-tumoral autologous natural killer cell transfer. PLoS One 2020; 15:e0224775. [PMID: 32084139 PMCID: PMC7034869 DOI: 10.1371/journal.pone.0224775] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/04/2020] [Indexed: 01/01/2023] Open
Abstract
We have previously reported radiation-induced sensitization of canine osteosarcoma (OSA) to natural killer (NK) therapy, including results from a first-in-dog clinical trial. Here, we report correlative analyses of blood and tissue specimens for signals of immune activation in trial subjects. Among 10 dogs treated with palliative radiotherapy (RT) and intra-tumoral adoptive NK transfer, we performed ELISA on serum cytokines, flow cytometry for immune phenotype of PBMCs, and PCR on tumor tissue for immune-related gene expression. We then queried The Cancer Genome Atlas (TCGA) to evaluate the association of cytotoxic/immune-related gene expression with human sarcoma survival. Updated survival analysis revealed five 6-month survivors, including one dog who lived 17.9 months. Using feeder line co-culture for NK expansion, we observed maximal activation of dog NK cells on day 17-19 post isolation with near 100% expression of granzyme B and NKp46 and high cytotoxic function in the injected NK product. Among dogs on trial, we observed a trend for higher baseline serum IL-6 to predict worse lung metastasis-free and overall survival (P = 0.08). PCR analysis revealed low absolute gene expression of CD3, CD8, and NKG2D in untreated OSA. Among treated dogs, there was marked heterogeneity in the expression of immune-related genes pre- and post-treatment, but increases in CD3 and CD8 gene expression were higher among dogs that lived > 6 months compared to those who did not. Analysis of the TCGA confirmed significant differences in survival among human sarcoma patients with high and low expression of genes associated with greater immune activation and cytotoxicity (CD3e, CD8a, IFN-γ, perforin, and CD122/IL-2 receptor beta). Updated results from a first-in-dog clinical trial of palliative RT and autologous NK cell immunotherapy for OSA illustrate the translational relevance of companion dogs for novel cancer therapies. Similar to human studies, analyses of immune markers from canine serum, PBMCs, and tumor tissue are feasible and provide insight into potential biomarkers of response and resistance.
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Affiliation(s)
- Sean J. Judge
- Department of Surgery, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Mio Yanagisawa
- Department of Surgery, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Ian R. Sturgill
- Department of Surgery, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Sarah B. Bateni
- Department of Surgery, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Alicia A. Gingrich
- Department of Surgery, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Jennifer A. Foltz
- Nationwide Children’s Hospital, Center for Childhood Cancer & Blood Diseases, Columbus, Ohio, United States of America
| | - Dean A. Lee
- Nationwide Children’s Hospital, Center for Childhood Cancer & Blood Diseases, Columbus, Ohio, United States of America
| | - Jaime F. Modiano
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Animal Cancer Care and Research Center, Center for Immunology, Masonic Cancer Center, and Stem Cell Institute, University of Minnesota, St. Paul, Minneapolis, United States of America
| | - Arta M. Monjazeb
- Department of Radiation Oncology, University of California Davis Medical Center, Sacramento, California, United States of America
| | - William T. N. Culp
- The Center for Companion Animal Health, Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, California, United States of America
| | - Robert B. Rebhun
- The Center for Companion Animal Health, Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, California, United States of America
| | - William J. Murphy
- Distinguished Professor of Dermatology and Internal Medicine, Vice Chair of Dermatology, University of California Davis Medical Center, Sacramento, California, United States of America
| | - Michael S. Kent
- The Center for Companion Animal Health, Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California Davis, Davis, California, United States of America
| | - Robert J. Canter
- Department of Surgery, Division of Surgical Oncology, University of California Davis Medical Center, Sacramento, California, United States of America
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139
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Rolian C. Endochondral ossification and the evolution of limb proportions. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2020; 9:e373. [PMID: 31997553 DOI: 10.1002/wdev.373] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 12/09/2019] [Accepted: 01/07/2020] [Indexed: 12/15/2022]
Abstract
Mammals have remarkably diverse limb proportions hypothesized to have evolved adaptively in the context of locomotion and other behaviors. Mechanistically, evolutionary diversity in limb proportions is the result of differential limb bone growth. Longitudinal limb bone growth is driven by the process of endochondral ossification, under the control of the growth plates. In growth plates, chondrocytes undergo a tightly orchestrated life cycle of proliferation, matrix production, hypertrophy, and cell death/transdifferentiation. This life cycle is highly conserved, both among the long bones of an individual, and among homologous bones of distantly related taxa, leading to a finite number of complementary cell mechanisms that can generate heritable phenotype variation in limb bone size and shape. The most important of these mechanisms are chondrocyte population size in chondrogenesis and in individual growth plates, proliferation rates, and hypertrophic chondrocyte size. Comparative evidence in mammals and birds suggests the existence of developmental biases that favor evolutionary changes in some of these cellular mechanisms over others in driving limb allometry. Specifically, chondrocyte population size may evolve more readily in response to selection than hypertrophic chondrocyte size, and extreme hypertrophy may be a rarer evolutionary phenomenon associated with highly specialized modes of locomotion in mammals (e.g., powered flight, ricochetal bipedal hopping). Physical and physiological constraints at multiple levels of biological organization may also have influenced the cell developmental mechanisms that have evolved to produce the highly diverse limb proportions in extant mammals. This article is categorized under: Establishment of Spatial and Temporal Patterns > Regulation of Size, Proportion, and Timing Comparative Development and Evolution > Regulation of Organ Diversity Comparative Development and Evolution > Organ System Comparisons Between Species.
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Affiliation(s)
- Campbell Rolian
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Canada
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140
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Duckett MM, Phung SK, Nguyen L, Khammanivong A, Dickerson E, Dusenbery K, Lawrence J. The adrenergic receptor antagonists propranolol and carvedilol decrease bone sarcoma cell viability and sustained carvedilol reduces clonogenic survival and increases radiosensitivity in canine osteosarcoma cells. Vet Comp Oncol 2019; 18:128-140. [PMID: 31778284 DOI: 10.1111/vco.12560] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 09/28/2019] [Accepted: 11/19/2019] [Indexed: 11/30/2022]
Abstract
Adrenergic receptor (AR) expression has been demonstrated at several sites of primary and metastatic tumour growth and may influence proliferation, survival, metastasis and angiogenesis. AR antagonists like propranolol and carvedilol inhibit proliferation, induce apoptosis and synergize with chemotherapy agents in some cancers. Radiation resistance is mediated in many cells by upregulation of pro-survival pathways, which may be influenced by ARs. Studies evaluating AR antagonists combined with radiation are limited. The purpose of this study was to determine the effect of propranolol and carvedilol on viability and radiosensitivity in sarcoma cell lines. The hypothesis was that propranolol and carvedilol would increase radiosensitivity in four primary bone sarcoma cell lines. Single agent propranolol or carvedilol inhibited cell viability in all cell lines in a concentration-dependent manner. The mean inhibitory concentrations (IC50 ) for carvedilol were approximately 4-fold lower than propranolol and may be clinically relevant in vivo. Immunoblot analysis confirmed AR expression in both human and canine sarcoma cell lines; however, there was no correlation between baseline AR protein expression and radiosensitivity. Short duration treatment with carvedilol and propranolol did not significantly affect clonogenic survival. Prolonged exposure to propranolol and carvedilol significantly decreased the surviving fraction of canine osteosarcoma cells after 3Gy radiation. Based on our results and possible in vivo activity in dogs, further studies investigating the effects of carvedilol on sarcoma are warranted.
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Affiliation(s)
- Megan M Duckett
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota
| | - Shee Kwan Phung
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota
| | - Linh Nguyen
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota
| | - Ali Khammanivong
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota.,Masonic Cancer Center, Masonic Cancer Research Building, University of Minnesota, Minneapolis, Minnesota
| | - Erin Dickerson
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota.,Masonic Cancer Center, Masonic Cancer Research Building, University of Minnesota, Minneapolis, Minnesota
| | - Kathryn Dusenbery
- Department of Radiation Oncology, Medical School, University of Minnesota, Minneapolis, Minnesota
| | - Jessica Lawrence
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota.,Masonic Cancer Center, Masonic Cancer Research Building, University of Minnesota, Minneapolis, Minnesota
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141
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Borgatti A, Dickerson EB, Lawrence J. Emerging therapeutic approaches for canine sarcomas: Pushing the boundaries beyond the conventional. Vet Comp Oncol 2019; 18:9-24. [PMID: 31749286 DOI: 10.1111/vco.12554] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/08/2019] [Accepted: 11/11/2019] [Indexed: 12/21/2022]
Abstract
Sarcomas represent a group of genomically chaotic, highly heterogenous tumours of mesenchymal origin with variable mutational load. Conventional therapy with surgery and radiation therapy is effective for managing small, low-grade sarcomas and remains the standard therapeutic approach. For advanced, high-grade, recurrent, or metastatic sarcomas, systemic chemotherapy provides minimal benefit, therefore, there is a drive to develop novel approaches. The discovery of "Coley's toxins" in the 19th century, and their use to stimulate the immune system supported the application of unconventional therapies for the treatment of sarcomas. While promising, this initial work was abandoned and treatment paradigm and disease course of sarcomas was largely unchanged for several decades. Exciting new therapies are currently changing treatment algorithms for advanced carcinomas and melanomas, and similar approaches are being applied to advance the field of sarcoma research. Recent discoveries in subtype-specific cancer biology and the identification of distinct molecular targets have led to the development of promising targeted strategies with remarkable potential to change the landscape of sarcoma therapy in dogs. The purpose of this review article is to describe the current standard of care and limitations as well as emerging approaches for sarcoma therapy that span many of the most active paradigms in oncologic research, including immunotherapies, checkpoint inhibitors, and drugs capable of cellular metabolic reprogramming.
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Affiliation(s)
- Antonella Borgatti
- Animal Cancer Care and Research (ACCR) Program, University of Minnesota, St. Paul, Minnesota.,Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota.,Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota.,Clinical Investigation Center, College of Veterinary Medicine, St. Paul, Minnesota
| | - Erin B Dickerson
- Animal Cancer Care and Research (ACCR) Program, University of Minnesota, St. Paul, Minnesota.,Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota.,Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Jessica Lawrence
- Animal Cancer Care and Research (ACCR) Program, University of Minnesota, St. Paul, Minnesota.,Department of Veterinary Clinical Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, Minnesota.,Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
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142
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The Potential Selective Cytotoxicity of Poly (L- Lactic Acid)-Based Scaffolds Functionalized with Nanohydroxyapatite and Europium (III) Ions toward Osteosarcoma Cells. MATERIALS 2019; 12:ma12223779. [PMID: 31752084 PMCID: PMC6888250 DOI: 10.3390/ma12223779] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/12/2019] [Accepted: 11/14/2019] [Indexed: 01/08/2023]
Abstract
Osteosarcoma (OSA) is malignant bone tumor, occurring in children and adults, characterized by poor prognosis. Despite advances in chemotherapy and surgical techniques, the survival of osteosarcoma patients is not improving significantly. Currently, great efforts are taken to identify novel selective strategies, distinguishing between cancer and normal cells. This includes development of biomimetic scaffolds with anticancer properties that can simultaneously support and modulate proper regeneration of bone tissue. In this study cytotoxicity of scaffolds composed from poly (L-lactic acid) functionalized with nanohydroxyapatite (nHAp) and doped with europium (III) ions-10 wt % 3 mol % Eu3+: nHAp@PLLA was tested using human osteosarcoma cells: U-2 OS, Saos-2 and MG-63. Human adipose tissue-derived stromal cells (HuASCs) were used as non-transformed cells to determine the selective cytotoxicity of the carrier. Analysis included evaluation of cells morphology (confocal/scanning electron microscopy (SEM)), metabolic activity and apoptosis profile in cultures on the scaffolds. Results obtained indicated on high cytotoxicity of scaffolds toward all OSA cell lines, associated with a decrease of cells' viability, deterioration of metabolic activity and activation of apoptotic factors determined at mRNA and miRNA levels. Simultaneously, the biomaterials did not affect HuASCs' viability and proliferation rate. Obtained scaffolds showed a bioimaging function, due to functionalization with luminescent europium ions, and thus may find application in theranostics treatment of OSA.
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143
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Overgaard NH, Fan TM, Schachtschneider KM, Principe DR, Schook LB, Jungersen G. Of Mice, Dogs, Pigs, and Men: Choosing the Appropriate Model for Immuno-Oncology Research. ILAR J 2019; 59:247-262. [PMID: 30476148 DOI: 10.1093/ilar/ily014] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 07/30/2018] [Indexed: 02/06/2023] Open
Abstract
The immune system plays dual roles in response to cancer. The host immune system protects against tumor formation via immunosurveillance; however, recognition of the tumor by immune cells also induces sculpting mechanisms leading to a Darwinian selection of tumor cell variants with reduced immunogenicity. Cancer immunoediting is the concept used to describe the complex interplay between tumor cells and the immune system. This concept, commonly referred to as the three E's, is encompassed by 3 distinct phases of elimination, equilibrium, and escape. Despite impressive results in the clinic, cancer immunotherapy still has room for improvement as many patients remain unresponsive to therapy. Moreover, many of the preclinical results obtained in the widely used mouse models of cancer are lost in translation to human patients. To improve the success rate of immuno-oncology research and preclinical testing of immune-based anticancer therapies, using alternative animal models more closely related to humans is a promising approach. Here, we describe 2 of the major alternative model systems: canine (spontaneous) and porcine (experimental) cancer models. Although dogs display a high rate of spontaneous tumor formation, an increased number of genetically modified porcine models exist. We suggest that the optimal immuno-oncology model may depend on the stage of cancer immunoediting in question. In particular, the spontaneous canine tumor models provide a unique platform for evaluating therapies aimed at the escape phase of cancer, while genetically engineered swine allow for elucidation of tumor-immune cell interactions especially during the phases of elimination and equilibrium.
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Affiliation(s)
- Nana H Overgaard
- Department of Micro- and Nanotechnology, Technical University of Denmark, Kgs Lyngby, Denmark
| | - Timothy M Fan
- Department of Veterinary Clinical Medicine, University of Illinois, Urbana-Champaign, Illinois
| | | | - Daniel R Principe
- Medical Scientist Training Program, University of Illinois College of Medicine, Chicago, Illinois
| | - Lawrence B Schook
- Department of Radiology, University of Illinois, Chicago, Illinois.,Department of Animal Sciences, University of Illinois, Urbana-Champaign, Illinois
| | - Gregers Jungersen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kgs. Lyngby, Denmark
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144
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Cui H, Zhao J. LncRNA TMPO‐AS1 serves as a ceRNA to promote osteosarcoma tumorigenesis by regulating miR‐199a‐5p/WNT7B axis. J Cell Biochem 2019; 121:2284-2293. [PMID: 31680323 DOI: 10.1002/jcb.29451] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 10/10/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Huaan Cui
- Department of Orthopedics Shengli Oil field Central Hospital Dongying City Shandong Province China
| | - Jiang Zhao
- Department of Orthopedics Ninth Hospital of Xi'an Xi'an City Shaanxi Province China
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145
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Endo-Munoz L, Bennett TC, Topkas E, Wu SY, Thamm DH, Brockley L, Cooper M, Sommerville S, Thomson M, O'Connell K, Lane A, Bird G, Peaston A, Matigian N, Straw RC, Saunders NA. Auranofin improves overall survival when combined with standard of care in a pilot study involving dogs with osteosarcoma. Vet Comp Oncol 2019; 18:206-213. [PMID: 31441983 DOI: 10.1111/vco.12533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 08/11/2019] [Accepted: 08/16/2019] [Indexed: 12/29/2022]
Abstract
Osteosarcoma is the most common paediatric primary bone malignancy. The major cause of death in osteosarcoma is drug-resistant pulmonary metastasis. Previous studies have shown that thioredoxin reductase 2 is a driver of metastasis in osteosarcoma and can be inhibited by auranofin (AF). Moreover, studies have shown that AF significantly reduces pulmonary metastases in xenotransplant models. Here, we describe a phase I/II study of AF in canine osteosarcoma, a well-recognized spontaneous model of human osteosarcoma. We performed a single-arm multicentre pilot study of AF in combination with standard of care (SOC) (amputation + carboplatin). We recruited 40 dogs to the trial and used a historical SOC-only control group (n = 26). Dogs >15 kg received 9 mg AF q3d PO and dogs <15 kg received 6 mg q3d. Follow-up occurred over at least a 3-year period. Auranofin plus SOC improved overall survival (OS) (P = .036) in all dogs treated. The improved outcome was attributable entirely to improved OS in male dogs (P = .009). At the time of writing, 10 dogs (25%) survive without measurable disease in the treatment group with survival times ranging between 806 and 1525 days. Our study shows that AF improves OS in male dogs when combined with SOC. Our findings have translational relevance for the management of canine and human osteosarcoma. Our data justify a larger multicentre phase 2 trial in dogs and a phase I/II trial in human patients with refractory disease at the time of initial surgery.
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Affiliation(s)
- Liliana Endo-Munoz
- Translational Research Institute, The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, Queensland, Australia.,Olivia Newton-John Cancer Research Institute, School of Cancer Medicine, La Trobe University, Melbourne, Victoria, Australia
| | | | - Eleni Topkas
- Translational Research Institute, The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, Queensland, Australia
| | - Sherry Y Wu
- School of Biomedical Sciences, University of Queensland, St Lucia, Queensland, Australia
| | - Douglas H Thamm
- Flint Animal Cancer Center, Colorado State University, Fort Collins, Colorado
| | - Laura Brockley
- Victorian Animal Cancer Care, Melbourne, Victoria, Australia
| | - Maureen Cooper
- Victorian Animal Cancer Care, Melbourne, Victoria, Australia
| | - Scott Sommerville
- Department of Orthopedic Oncology, Princess Alexandra Hospital and The Wesley Hospital, Brisbane, Queensland, Australia
| | - Maurine Thomson
- Veterinary Specialist Services, Brisbane, Queensland, Australia
| | | | - Amy Lane
- Small Animal Oncology, Newcastle, New South Wales, Australia
| | - Guy Bird
- Veterinary Emergency Centre and Hospital, James Cook University School of Veterinary and Biomedical Science, Townsville, Queensland, Australia
| | - Anne Peaston
- School of Animal and Veterinary Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Nicholas Matigian
- QFAB Bioinformatics, BIODATA Institute of Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Rodney C Straw
- Brisbane Veterinary Specialist Centre, Brisbane, Queensland, Australia.,Australian Consortium of Comparative Oncology of the Australian Animal Cancer Foundation, Brisbane, Queensland, Australia
| | - Nicholas A Saunders
- Translational Research Institute, The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, Queensland, Australia
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146
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Wilson-Robles H, Franks K, Pool R, Miller T. Characterization of five newly derived canine osteosarcoma cell lines. BMC Vet Res 2019; 15:357. [PMID: 31640712 PMCID: PMC6805340 DOI: 10.1186/s12917-019-2099-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 09/20/2019] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Canine and human osteosarcomas (OS) are notably similar and have a high rate of metastasis. There is a poor understanding of the tumor development process, predisposing causes, and varying levels of aggression among different cell lines. By characterizing newly developed canine osteosarcoma cell lines, treatments for people and pets can be developed. Of the seven subtypes of OS, three are represented in this group: osteoblastic (the most common), fibroblastic, and giant cell variant. To our knowledge, there are no other giant cell variant canine OS cell lines in the published literature and only one canine fibroblastic osteosarcoma cell line. Understanding the differences between the histologic subtypes in dogs will help to guide comparative research. RESULTS Alkaline phosphatase expression was ubiquitous in all cell lines tested and invasiveness was variable between the cell lines tested. Invasiveness and oxidative damage were not correlated with in vivo growth rates, where TOT grew the fastest and had the higher percentage of mice with metastatic lesions. TOL was determined to be the most chemo-resistant during cisplatin chemotherapy while TOM was the most chemo-sensitive. CONCLUSIONS Further comparisons and studies using these cell lines may identify a variety of characteristics valuable for understanding the disease process and developing treatments for osteosarcoma in both species. Some of this data was presented as a poster by KMF at the August 5th, 2017 National Veterinary Scholars Program in Bethesda, MA. Characterization of 5 newly generated canine osteosarcoma cell lines. Kelli Franks, Tasha Miller, Heather Wilson-Robles.
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Affiliation(s)
| | - Kelli Franks
- 660 Raymond Stotzer Pkwy, College Station, TX 77845 USA
| | - Roy Pool
- 660 Raymond Stotzer Pkwy, College Station, TX 77845 USA
| | - Tasha Miller
- 660 Raymond Stotzer Pkwy, College Station, TX 77845 USA
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147
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Yu L, Xia K, Gao T, Chen J, Zhang Z, Sun X, Simões BM, Eyre R, Fan Z, Guo W, Clarke RB. The Notch Pathway Promotes Osteosarcoma Progression through Activation of Ephrin Reverse Signaling. Mol Cancer Res 2019; 17:2383-2394. [PMID: 31570655 DOI: 10.1158/1541-7786.mcr-19-0493] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 07/16/2019] [Accepted: 09/25/2019] [Indexed: 11/16/2022]
Abstract
Despite significant advancements in the diagnosis and treatment of osteosarcoma, the molecular mechanisms underpinning disease progression remain unclear. This work presents strong clinical and experimental evidence demonstrating that Notch signaling contributes to osteosarcoma progression. First, using a cohort of 12 patients, Notch genes were upregulated in tumors compared with adjacent normal tissue, and high tumor expression of Notch1 intercellular domain (NICD1) and the Notch target gene Hes1 correlated with poor chemotherapy response. Data mining of publicly available datasets confirmed that expression of Notch pathway genes is related to poor prognosis in osteosarcoma. On the basis of in vitro analysis, Notch signaling promoted osteosarcoma proliferation, enhanced chemoresistance, facilitated both migration and invasion, and upregulated stem cell-like characteristics. Xenograft models demonstrated that Notch signaling promotes primary tumor growth and pulmonary metastasis, and Notch inhibition is effective in reducing tumor size and preventing metastasis. Mechanistically, activated Notch signaling induces the expression of ephrinB1 and enhances the tumor-promoting ephrin reverse signaling. Overall, these findings provide functional evidence for Notch pathway genes as candidate biomarkers to predict prognosis in patients with osteosarcoma, and suggest a mechanistic rationale for the use of Notch inhibitors to treat osteosarcoma. IMPLICATIONS: The study provides preclinical evidence for Notch pathway as a molecular marker to predict osteosarcoma prognosis and as a therapeutic target against osteosarcoma. In addition, we identified a novel mechanism that ephrin reverse signaling acts as a key mediator of Notch pathway.
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Affiliation(s)
- Ling Yu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Kezhou Xia
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tian Gao
- Department of Orthopedic Oncology, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jingteng Chen
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhengpei Zhang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiangran Sun
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Bruno M Simões
- Breast Cancer Now Research Unit, Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Rachel Eyre
- Breast Cancer Now Research Unit, Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom
| | - Zhengfu Fan
- Department of Orthopedic Oncology, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education, Peking University Cancer Hospital & Institute, Beijing, China
| | - Weichun Guo
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Robert B Clarke
- Breast Cancer Now Research Unit, Division of Cancer Sciences, University of Manchester, Manchester, United Kingdom.
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148
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Tsuji S, Ohama T, Nakagawa T, Sato K. Efficacy of an anti-cancer strategy targeting SET in canine osteosarcoma. J Vet Med Sci 2019; 81:1424-1430. [PMID: 31527340 PMCID: PMC6863715 DOI: 10.1292/jvms.19-0311] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Osteosarcoma (OSA) is the most common bone tumor in dogs. Protein phosphatase 2A (PP2A), an evolutionary conserved serine/threonine protein phosphatase, is a crucial tumor suppressor. SET is a PP2A inhibitory protein that directly interacts with PP2A and suppresses its phosphatase activity. SET has been reported as a contributor of wide range of human and dog tumor malignancies. However, the role of SET in canine OSA (cOSA) remains unknown. In this study, we investigated the role of SET in cOSA by using 2 cOSA cell lines: POS (primary origin) and HM-POS (metastatic origin). Knockdown (KD) of SET expression was noted to slightly suppress POS cell proliferation only. Furthermore, SET KD effectively suppressed colony formation ability of both POS and HM-POS cells. SET KD was observed to repress ERK1/2, mTOR, E2F1, and NF-κB signaling in HM-POS cells, whereas it inhibited only ERK1/2 signaling in POS. Further, it was observed that SET-targeting drug, FTY720, exerted anti-cancer effects in both POS and HM-POS cells. Moreover, the drug also enhanced the anti-cancer effect of cisplatin. The data suggested that a combination therapy, based on SET targeting drugs and cisplatin, could be a potent strategy for cOSA.
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Affiliation(s)
- Shunya Tsuji
- Laboratory of Veterinary Pharmacology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Takashi Ohama
- Laboratory of Veterinary Pharmacology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
| | - Takayuki Nakagawa
- The Laboratory of Veterinary Surgery and the Veterinary Medical Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Koichi Sato
- Laboratory of Veterinary Pharmacology, Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yoshida, Yamaguchi 753-8515, Japan
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149
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Strzok E, Siepker C, Armwood A, Howerth E, Smith J, Banovic F. Successful Treatment of Cutaneous Curvularia geniculata, Nocardia niigatensis, and Viral Papillomatosis in a Dog During the Therapeutic Management of Immune-Mediated Hemolytic Anemia. Front Vet Sci 2019; 6:249. [PMID: 31440519 PMCID: PMC6694281 DOI: 10.3389/fvets.2019.00249] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 07/10/2019] [Indexed: 01/20/2023] Open
Abstract
Opportunistic infections represent a major cause of mortality in immunocompromised patients. Discontinuation or reduction of immunosuppressive medications is recommended with the development of opportunistic infections, which may cause a relapse or worsening of the immune-mediated disease. A 7.5-year-old, spayed female great Dane was diagnosed with immune-mediated hemolytic anemia with initial immunosuppressive therapy consisting of oral prednisone, ciclosporin and mycophenolate mofetil. The patient developed diffuse right forelimb pyogranulomatous fungal dermatitis with deep draining tracts 6 weeks into immunosuppressive treatment with Curvularia geniculata growth. Oral once daily terbinafine and itraconazole were initiated; ciclosporin was immediately discontinued and the mycophenolate mofetil/prednisone doses were reduced. The right forelimb skin lesions resolved after 4 weeks, but the patient presented with a diffuse severe neutrophilic dermatitis on the left forelimb; 16S rRNA sequencing identified Nocardia niigatensis. Cutaneous nocardiosis was treated with oral enrofloxacin and doxycycline; systemic immunosuppressive therapies were continued for immune-mediated hemolytic anemia control. One month later, the left forelimb lesions completely resolved but the patient developed several multifocal, exophytic warts; the clinical features and histopathology were consistent with viral papillomas. Within the following 4 weeks, the patient developed severe diffuse papillomatosis of the left forelimb, which was successfully treated with 2 weeks of every other day topical imiquimod administration. In this case, successful treatment of cutaneous opportunistic bacterial, fungal and viral infection was possible with proper treatment even though the immunosuppressive drug treatments could not be discontinued.
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Affiliation(s)
- Emily Strzok
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Chris Siepker
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Abigail Armwood
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Elizabeth Howerth
- Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Joanne Smith
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Frane Banovic
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
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150
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Han D, Wang M, Yu Z, Yin L, Liu C, Wang J, Liu Y, Jiang S, Ren Z, Yin J. FGF5 promotes osteosarcoma cells proliferation via activating MAPK signaling pathway. Cancer Manag Res 2019; 11:6457-6466. [PMID: 31372048 PMCID: PMC6628182 DOI: 10.2147/cmar.s200234] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 04/12/2019] [Indexed: 11/23/2022] Open
Abstract
Objective: This study aimed to investigate the role of fibroblast growth factor-5 (FGF5) in osteosarcoma (OS) and explore the potential mechanisms. Methods: OS gene expression data was downloaded from the Gene Expression Omnibus (GEO; GSE12865) and analyzed by R software. OS tissues and cell lines were collected. The expression level of FGF5 in tumor tissues and cell lines was detected using qRT-PCR. Knockout of FGF5 was performed using CRISPR/Cas9 system. The effects of FGF5 knockout on OS cell proliferation and tumor growth were determined through cell counting kit-8 assay and xenograft nude mice, respectively. Additionally, recombinant FGF5 (rFGF5) was added into OS cell and the effects of rFGF5 on the proliferation and apoptosis of OS cell lines were assayed. Furthermore, the protein expression levels of mitogen-activated protein kinase (MAPK) signaling pathway were detected through Western blot. Results: FGF5 was significantly upregulated in OS tissues and cells, and closely associated with poor differentiation, larger tumor size, lymph node metastasis, and advanced TNM stage. FGF5 knockout could inhibit proliferation of OS cells and tumor growth in nude mouse model. Addition of exogenous rFGF5 promoted OS cell proliferation while inhibited OS cell apoptosis. The expression levels of MAPK signaling pathway proteins in FGF5 knockout group were significantly lower than that in control when there was no rFGF5. Additionally, their expression level in rFGF5 addition group was higher than that in without rFGF5 group. Conclusion: We demonstrated for the first time that FGF5 was overexpressed in OS cell lines and clinical tissue samples and promotes OS cell proliferation by activating MAPK signaling pathway, which indicated that FGF5 was a potential therapeutic target for OS.
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Affiliation(s)
- Dunxin Han
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Mingming Wang
- Department of Clinical Laboratory, Qingdao Women and Children's Hospital, Qingdao, People's Republic of China
| | - Zhongkai Yu
- Department of Emergency, Liaocheng People's Hospital, Liaocheng, Shandong, People's Republic of China
| | - Long Yin
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Changli Liu
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Jianmin Wang
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Yongjun Liu
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Shengyang Jiang
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Zhongwu Ren
- Department of Spine Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, People's Republic of China
| | - Jun Yin
- Department of Orthopedics, First People's Hospital of Yancheng, Yancheng, Jiangsu, People's Republic of China
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