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Zhang Y. LncRNA-encoded peptides in cancer. J Hematol Oncol 2024; 17:66. [PMID: 39135098 PMCID: PMC11320871 DOI: 10.1186/s13045-024-01591-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024] Open
Abstract
Long non-coding RNAs (lncRNAs), once considered transcriptional noise, have emerged as critical regulators of gene expression and key players in cancer biology. Recent breakthroughs have revealed that certain lncRNAs can encode small open reading frame (sORF)-derived peptides, which are now understood to contribute to the pathogenesis of various cancers. This review synthesizes current knowledge on the detection, functional roles, and clinical implications of lncRNA-encoded peptides in cancer. We discuss technological advancements in the detection and validation of sORFs, including ribosome profiling and mass spectrometry, which have facilitated the discovery of these peptides. The functional roles of lncRNA-encoded peptides in cancer processes such as gene transcription, translation regulation, signal transduction, and metabolic reprogramming are explored in various types of cancer. The clinical potential of these peptides is highlighted, with a focus on their utility as diagnostic biomarkers, prognostic indicators, and therapeutic targets. The challenges and future directions in translating these findings into clinical practice are also discussed, including the need for large-scale validation, development of sensitive detection methods, and optimization of peptide stability and delivery.
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Affiliation(s)
- Yaguang Zhang
- Laboratory of Gastrointestinal Tumor Epigenetics and Genomics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
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2
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Petrescu DI, Yustein JT, Dasgupta A. Preclinical models for the study of pediatric solid tumors: focus on bone sarcomas. Front Oncol 2024; 14:1388484. [PMID: 39091911 PMCID: PMC11291195 DOI: 10.3389/fonc.2024.1388484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 07/01/2024] [Indexed: 08/04/2024] Open
Abstract
Sarcomas comprise between 10-15% of all pediatric malignancies. Osteosarcoma and Ewing sarcoma are the two most common pediatric bone tumors diagnosed in children and young adults. These tumors are commonly treated with surgery and/or radiation therapy and combination chemotherapy. However, there is a strong need for the development and utilization of targeted therapeutic methods to improve patient outcomes. Towards accomplishing this goal, pre-clinical models for these unique malignancies are of particular importance to design and test experimental therapeutic strategies prior to being introduced to patients due to their origination site and propensity to metastasize. Pre-clinical models offer several advantages for the study of pediatric sarcomas with unique benefits and shortcomings dependent on the type of model. This review addresses the types of pre-clinical models available for the study of pediatric solid tumors, with special attention to the bone sarcomas osteosarcoma and Ewing sarcoma.
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Affiliation(s)
- D. Isabel Petrescu
- Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Jason T. Yustein
- Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA, United States
| | - Atreyi Dasgupta
- The Faris D. Virani Ewing Sarcoma Center, Baylor College of Medicine, Texas Children’s Cancer and Hematology Centers, Houston, TX, United States
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Liu D, Peng Y, Li X, Zhu Z, Mi Z, Zhang Z, Fan H. Comprehensive landscape of TGFβ-related signature in osteosarcoma for predicting prognosis, immune characteristics, and therapeutic response. J Bone Oncol 2023; 40:100484. [PMID: 37234254 PMCID: PMC10205544 DOI: 10.1016/j.jbo.2023.100484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/27/2023] Open
Abstract
Osteosarcoma (OS) is a highly heterogeneous malignant bone tumor, and its tendency to metastasize leads to a poor prognosis. TGFβ is an important regulator in the tumor microenvironment and is closely associated with the progression of various types of cancer. However, the role of TGFβ-related genes in OS is still unclear. In this study, we identified 82 TGFβ DEGs based on RNA-seq data from the TARGET and GETx databases and classified OS patients into two TGFβ subtypes. The KM curve showed that the Cluster 2 patients had a substantially poorer prognosis than the Cluster 1 patients. Subsequently, a novel TGFβ prognostic signatures (MYC and BMP8B) were developed based on the results of univariate, LASSO, and multifactorial Cox analyses. These signatures showed robust and reliable predictive performance for the prognosis of OS in the training and validation cohorts. To predict the three-year and five-year survival rate of OS, a nomogram that integrated clinical features and risk scores was also developed. The GSEA analysis showed that the different subgroups analyzed had distinct functions, particularly, the low-risk group was associated with high immune activity and a high infiltration abundance of CD8 T cells. Moreover, our results indicated that low-risk cases had higher sensitivity to immunotherapy, while high-risk cases were more sensitive to sorafenib and axitinib. scRNA-Seq analysis further revealed that MYC and BMP8B were strongly expressed mainly in tumor stromal cells. Finally, in this study, we confirmed the expression of MYC and BMP8B by performing qPCR, WB, and IHC analyses. To conclude, we developed and validated a TGFβ-related signature to accurately predict the prognosis of OS. Our findings might contribute to personalized treatment and making better clinical decisions for OS patients.
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Affiliation(s)
- Dong Liu
- Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Xi’an 710032, China
| | - Ye Peng
- Department of Orthopaedics, Air Force Medical Center, PLA, Beijing 100142, China
| | - Xian Li
- Department of Orthopaedics, Shenzhen University General Hospital, Shenzhen, China
| | - Zhijie Zhu
- Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Xi’an 710032, China
| | - Zhenzhou Mi
- Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Xi’an 710032, China
| | - Zhao Zhang
- Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Xi’an 710032, China
| | - Hongbin Fan
- Department of Orthopaedic Surgery, Xi-jing Hospital, The Fourth Military Medical University, Xi’an 710032, China
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Klosowski M, Haines L, Alfino L, McMellen A, Leibowitz M, Regan D. Naturally occurring canine sarcomas: Bridging the gap from mouse models to human patients through cross-disciplinary research partnerships. Front Oncol 2023; 13:1130215. [PMID: 37035209 PMCID: PMC10076632 DOI: 10.3389/fonc.2023.1130215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/20/2023] [Indexed: 04/11/2023] Open
Abstract
Fueled by support from the National Cancer Institute's "Cancer Moonshot" program, the past few years have witnessed a renewed interest in the canine spontaneous cancer model as an invaluable resource in translational oncology research. Increasingly, there is awareness that pet dogs with cancer provide an accessible bridge to improving the efficiency of cancer drug discovery and clinical therapeutic development. Canine tumors share many biological, genetic, and histologic features with their human tumor counterparts, and most importantly, retain the complexities of naturally occurring drug resistance, metastasis, and tumor-host immune interactions, all of which are difficult to recapitulate in induced or genetically engineered murine tumor models. The utility of canine models has been particularly apparent in sarcoma research, where the increased incidence of sarcomas in dogs as compared to people has facilitated comparative research resulting in treatment advances benefitting both species. Although there is an increasing awareness of the advantages in using spontaneous canine sarcoma models for research, these models remain underutilized, in part due to a lack of more permanent institutional and cross-institutional infrastructure to support partnerships between veterinary and human clinician-scientists. In this review, we provide an updated overview of historical and current applications of spontaneously occurring canine tumor models in sarcoma research, with particular attention to knowledge gaps, limitations, and growth opportunities within these applications. Furthermore, we propose considerations for working within existing veterinary translational and comparative oncology research infrastructures to maximize the benefit of partnerships between veterinary and human biomedical researchers within and across institutions to improve the utility and application of spontaneous canine sarcomas in translational oncology research.
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Affiliation(s)
- Marika Klosowski
- Flint Animal Cancer Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Laurel Haines
- Flint Animal Cancer Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Lauren Alfino
- Flint Animal Cancer Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Alexandra McMellen
- Center for Cancer and Blood Disorders, Children’s Hospital Colorado, Aurora, CO, United States
| | - Michael Leibowitz
- Center for Cancer and Blood Disorders, Children’s Hospital Colorado, Aurora, CO, United States
| | - Daniel Regan
- Flint Animal Cancer Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
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Clinicopathological and prognostic significance of CXCR4 expression in osteosarcoma: a meta-analysis. Biomedicine (Taipei) 2023; 12:34-43. [PMID: 36816176 PMCID: PMC9910227 DOI: 10.37796/2211-8039.1360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 03/04/2022] [Indexed: 11/27/2022] Open
Abstract
Background C-X-C Motif Chemokine Receptor (CXCR4) is an oncogene that widely studied and associated with worse clinicopathological features and prognosis outcome on many types of cancer. Beside that, significance of CXCR4 expression on clinicopathological features and prognostic on osteosarcoma (OS) require further validation. Aim We conducted a meta-analysis to evaluate association between positive CXCR4 expression with clinicopathological features, and prognosis in OS. Methods Literature searches on Pubmed, Cochrane Library and Web of Science was conducted systematically up to December 2021 to find relevant references. Effect of CXCR4 expression on clinicopathological characteristic and prognostic were analyzed using Review Manager 5.4 (Cochrane Collaboration, Oxford, UK). Significance value less than 0.05 was considered statistically significant. Results By considering inclusion and exclusion criteria, 940 patients from 12 studies were suitable to included in qualitative analysis, and 10 studies were suitable for quantitative analysis. Association between CXCR4 expression and OS clinicopathological features was found significant on metastasis (OR = 4.01, 95%CI = 1.58-10.18; p = 0.003), stage (stage III & IV vs I & II, OR = 6.52, 95%CI = 1.05-40.62; p = 0.04), and tumor primary site (femur/tibia vs other, OR = 1.60, 95%CI = 1.04-2.45; p = 0.03), but not associated with histological type, gender, and age. Furthermore, CXCR4 expression is associated with poor overall survival in OS (HR = 2.13, 95%CI = 1.78-2.55; p < 0.001). Conclusion In conclusion, the results of our meta-analysis suggest that CXCR4 expression may be valuable as a histopathological predictor of poor clinicopathological features and prognosis of OS.
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Erdoğan F, Çinka H, Akman BÇ, Coşkun HS, Dabak N. Analysis of prognostic factors and histopathological response to neoadjuvant chemotherapy in osteosarcoma. Jt Dis Relat Surg 2023; 34:196-206. [PMID: 36700283 PMCID: PMC9903113 DOI: 10.52312/jdrs.2023.902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/10/2022] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVES This study aims to examine the clinical results of patients who underwent medical and surgical treatment for osteosarcoma, to determine the overall survival (OS) and disease-free survival (DFS) rates, and to examine the effects of prognostic factors on these rates. PATIENTS AND METHODS Between January 2005 and January 2020, a total of 64 patients (38 males, 26 females; mean age: 20.9±11.5 years; range, 6 to 70 years) who received medical and surgical treatment for osteosarcoma were retrospectively analyzed. Demographic characteristics, follow-up period, tumor location and size, tumor stage and necrosis rate, metastatic disease, surgical treatments, postoperative complications, local recurrence, and metastasis were recorded. The relationship of these factors with the survival was examined. RESULTS The median follow-up was 51.6 (range, 3 to 156) months. The most common tumor localization was in the distal femur with 42 (65.6%) patients and the most common histopathological subtypes were conventional osteosarcoma in 50 (78.1%) patients. The OS rates were 91.6% at one year, 65.9% at five years, and 51.6% at 10 years. With the exception of two patients who died during neoadjuvant chemotherapy, all patients underwent surgical treatment. The addition of chemotherapy + radiotherapy in the treatment did not provide any benefits in terms of survival and recurrence compared to the group that was not added, and the five-year OS rate was 79.3% compared to 20.7%, respectively. The overall 10-year survival rates were 83.9% and 37.2% in the group with a good response (≥90%) and poor response (<90%) to treatment (p=0.012). The mean survival time of three patients who presented with pathological fractures was shorter than the others (p>0.05). Surgical margin was ≤2 mm in 27 (42.2%) patients, >2 mm in 30 (46.9%) patients, and surgical margin was positive in five (7.8%) patients. The mean OS in the group with a surgical margin closure of >2 mm was 10.8±1.9 years and was longer than the other groups (p=0.047). CONCLUSION Metastasis at the time of diagnosis, <90% tumor necrosis, a tumor size of ≥10 cm, and metastasis development were significantly associated with poor survival and were found to be independent prognostic factors. The OS rate in the patient group with Stage III-IV response after neoadjuvant chemotherapy given the cisplatin + doxorubicin protocol was found to be better than those given the European and American Osteosarcoma Studies (EURAMOS) protocol. More research is needed to determine the most optimal chemotherapy protocols in this patient population. In addition, a multidisciplinary approach in treatment is of utmost importance to improve oncological outcomes.
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Affiliation(s)
- Furkan Erdoğan
- Amasya Üniversitesi Sabuncuoğlu Şerefeddin Eğitim ve Araştırma Hastanesi, Ortopedi ve Travmatoloji Kliniği, 05200 Amasya, Türkiye.
| | - Hikmet Çinka
- Department of Orthopedics and Traumatology, Karasu State Hospital, Sakarya, Türkiye
| | | | - Hüseyin Sina Coşkun
- Department of Orthopedics and Traumatology, Ondokuz Mayıs University Faculty of Medicine, Samsun, Türkiye
| | - Nevzat Dabak
- Department of Orthopedics and Traumatology, Ondokuz Mayıs University Faculty of Medicine, Samsun, Türkiye
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Li Z, Xu B, Cai J, Zha Z. Cancer-Specific Survival after Limb Salvage versus Amputation in Children and Adolescents with Osteosarcoma: A Population-Based Analysis with Propensity Score Matching. JOURNAL OF ONCOLOGY 2023; 2023:8635829. [PMID: 37089259 PMCID: PMC10118882 DOI: 10.1155/2023/8635829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/20/2022] [Indexed: 04/25/2023]
Abstract
Background The study aims to identify whether osteosarcoma patients of children and young adults will benefit from a survival profit from the choice of the operation method. Methods The National Cancer Institute SEER database from 2000 to 2018 was selected for a retrospective analysis of 1630 children and young adults with a primary diagnosis of osteosarcoma, 1222 who underwent limb-preserving surgery, and 408 who underwent amputation. Confounders were controlled for by propensity score matching (PSM), cancer-specific survival (CSS) was analyzed using the Kaplan-Meier method, and univariate and multivariate Cox regression was used to analyze the factors influencing the prognosis of children and young osteosarcoma patients after surgery. A nomogram plot predicted 1-, 3-, and 5- survival rate in osteosarcoma. The model's accuracy was validated by the area under the ROC and calibration curves. Results After PSM, multifactor Cox regression analysis found AJCC Stage III-IV (CSS : HR = 5.26, 95% CI 1.95-14.18, p=0. 001; HR = 5.54, 95% CI 2.56-12.01, p < 0. 001. Limb salvage surgery (CSS : HR = 0.58, 95% CI 0.44-0.77, p < 0. 001) has independent impact factors for CSS prognosis. The survival curve before and after PSM showed that patients with osteosarcoma of children and young adults who underwent limb salvage surgery had a survival benefit compared with those who underwent amputation surgery. Gender, chemotherapy, histology, primary tumor site, stage, and surgical modality were modeled in a total of six variables in the nomogram. The model exhibited good predictive performance. The AUC were 0.823, 0.74, and 0.757 for training set at 1, 3, and 5 years, respectively. The AUC of validation set 0.666, 0.722, and 0.699 at 1, 3, and 5 years, respectively. The model also predicted CSS with good fidelity for both datasets. This model was significantly superior to the 8th edition of the AJCC TNM staging system, with a better net benefit in predicting CSS in children and young adults with osteosarcoma. Conclusion Limb salvage surgery is an option for children and young adults with osteosarcoma and cancer-specific survival rates can be improved by receiving limb salvage surgery.
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Affiliation(s)
- Zhenwei Li
- Center for Bone, Joint and Sports Medicine, The First Hospital of Jinan University, Jinan University, Guangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital of Bengbu Medical College, Anhui Province, China
| | - Bo Xu
- Department of Orthopedic, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China
| | - Jingjing Cai
- School of Clinical Medicine, Bengbu Medical College, Anhui Province, China
| | - Zhengang Zha
- Center for Bone, Joint and Sports Medicine, The First Hospital of Jinan University, Jinan University, Guangzhou, China
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8
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Geohagen B, Zeldin E, Reidy K, Wang T, Gavathiotis E, Fishman YI, LoPachin R, Loeb DM, Weiser DA. Acetophenone protection against cisplatin-induced end-organ damage. Transl Oncol 2022; 27:101595. [PMID: 36477009 PMCID: PMC9723927 DOI: 10.1016/j.tranon.2022.101595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/04/2022] [Accepted: 11/21/2022] [Indexed: 12/09/2022] Open
Abstract
Cisplatin is a widely used and efficacious chemotherapeutic agent for treating solid tumors, yet it causes systemic end-organ damage that is often irreversible and detrimental to quality of life. This includes severe sensorineural hearing loss, hepatotoxicity, and renal injury. Based on the hard-soft acid-base theory, we recently developed two acetophenone-derived, enol-based compounds that directly interfere with the side effects of cisplatin. We investigated organ-specific and generalized toxicity in order to define dose-dependent responses in rodents injected with cisplatin with or without the protective compounds. All metrics that were used as indicators of toxicity showed retention of baseline or control measurements when animals were pre-treated with acetophenones prior to cisplatin administration, while animals injected with no protective compounds showed expected elevations in toxicity measurements or depressions in measurements of organ function. These data support the further investigation of novel acetophenone compounds for the prevention of cisplatin-induced end-organ toxicity.
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Affiliation(s)
- Brian Geohagen
- Montefiore-Einstein Center for Cancer Care, USA; Montefiore Medical Center, 111 E 210th Street, The Bronx, NY 10467, USA
| | | | - Kimberly Reidy
- Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Nephrology, Children's Hospital at Montefiore, 3415 Bainbridge Avenue, The Bronx, NY 10467, USA
| | - Tao Wang
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, USA
| | - Evripidis Gavathiotis
- Department of Biochemistry, Department of Medicine, Albert Einstein College of Medicine, USA; Montefiore-Einstein Center for Cancer Care, USA
| | - Yonatan I Fishman
- Departments of Neurology and Neuroscience, Albert Einstein College of Medicine, USA
| | - Richard LoPachin
- Department of Anesthesiology, Albert Einstein College of Medicine, USA
| | - David M Loeb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, USA; Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Hematology, Oncology, and Cellular Therapy, Children's Hospital at Montefiore, USA; Montefiore-Einstein Center for Cancer Care, USA
| | - Daniel A Weiser
- Department of Genetics, Albert Einstein College of Medicine, USA; Department of Pediatrics, Albert Einstein College of Medicine, 1300 Morris Park Avenue, The Bronx, NY 10461, USA; Division of Pediatric Hematology, Oncology, and Cellular Therapy, Children's Hospital at Montefiore, USA; Montefiore-Einstein Center for Cancer Care, USA.
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9
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Wang J, Wu Z, Zheng M, Yu S, Zhang X, Xu X. CD146 is closely associated with the prognosis and molecular features of osteosarcoma: Guidance for personalized clinical treatment. Front Genet 2022; 13:1025306. [PMID: 36338992 PMCID: PMC9635853 DOI: 10.3389/fgene.2022.1025306] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 09/29/2022] [Indexed: 11/29/2022] Open
Abstract
Background: Osteosarcoma (OSA), a focus for orthopedic surgeons, always results in severe death due to metastasis. CD146 is severely expressed in several tumors, indicating its potential as a biomarker for OSA. Method: Two OSA cohorts were enrolled in this study. A Therapeutically Applicable Research to Generate Effective Treatments-Osteosarcoma (TARGET-OS) cohort was used as a training cohort, and GSE21257 was used as the external validation cohort. The R package “limma” was used to discriminate the differentially expressed genes among CD146-high and CD146-low patients and was further annotated by the enriched signaling pathways. The R package MOVICS was used to evaluate immune infiltration and the response to chemotherapy and immunotherapy. All statistical analyses were performed by R version 4.0.2, and p < 0.05 was considered statistically significant. Result: CD146 plays an important role in promoting the progression, invasion, and metastasis of several tumors. In the current study, we first revealed an integrative unfavorable prognosis in patients with tumors (p < 0.01, HR: 1.10, 95% CI: 1.07-1.14). CD146 is tightly correlated with m5C RNA methylation modification genes in OSA. Furthermore, we revealed that CD146 acts as an oncogene in OSA patients and is linked to poor prognosis in both the TARGET-OS cohort (p = 0.019, HR: 2.61, 95% CI: 1.171-5.834) and the GSE21257 cohort (p = 0.005, HR: 3.61, 95% CI: 1.474-8.855), with a total of 137 patients, regardless of whether they were adjusted for clinical pathological features. Highly-expressed CD146 impacts the signaling pathways of cytokine‒cytokine receptor interactions and is associated with the high infiltration of immunocytes. Moreover, patients with high CD146 expression were more likely to be sensitive to anti-PD-1 immunotherapy, while patients with low expression of CD146 were more likely to be sensitive to cisplatin and doxorubicin chemotherapy. Conclusion: Overall, CD146 is an independent prognostic factor for OSA patients and can help doctors select clinical treatment strategies.
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Jimenez IA, Pool RR, Gabrielson KL. Canine Idiopathic Arteriopathy, Appendicular Bone Infarcts, and Neoplastic Transformation of Bone Infarcts in 108 Dogs ( Canis lupus familiaris). Comp Med 2022; 72:306-319. [PMID: 36113969 PMCID: PMC9827601 DOI: 10.30802/aalas-cm-22-000037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/27/2022] [Accepted: 07/26/2022] [Indexed: 01/27/2023]
Abstract
Osteosarcoma (OSA) is the most common primary bone tumor in both dogs and humans. The dog is an important research model for OSA, yet dogs have much higher prevalence of bone tumors than do humans, a disparity that has yet to be explained. Neoplastic transformation of cells within or adjacent to bone infarcts into primary bone tumors has been described in humans but only sparsely characterized in the veterinary literature. In this study, 653 cases of canine bone infarcts were received through a referral veterinary osteopathology service over a 14-y period. We identified an idiopathic disorder affecting the nutrient artery, termed canine idiopathic arteriopathy (CIA), which to our knowledge has no direct counterpart in human medicine. This disorder was documented alongside ischemic necrosis of the medullary cavity in 114 bone infarcts in 108 dogs. We hypothesize that CIA precipitated an ischemic environment, resulting in development of a bone infarct down- stream of the abnormal artery. In 52% (59 of 114) of cases, bone infarcts demonstrated evidence of repair (termed reparative bone infarcts [RBI]), while in 48% (55 of 114) of infarcts, a bone tumor was also present, including pleomorphic sarcoma, OSA, fibrosarcoma, and chondrosarcoma. In some cases, a spectrum of tumors was present. We hypothesize that the ischemic infarct environment provoked bone marrow mesenchymal stem cells (MSCs) to attempt repair of the stroma, and in approximately half of cases, MSCs underwent neoplastic transformation (BINT) to produce tumors. The most common sites of bone infarcts were the distal femur, distal radius, proximal humerus, and distal tibia, coinciding with common sites of canine OSA. The authors propose that CIA leading to bone infarcts and infarct-derived tumors, in combination with possible underdiagnosis of canine bone infarcts and misdiagnosis of some RBI as neoplasia, may contribute to the higher reported proportion of bone tumors in dogs compared with humans.
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Affiliation(s)
- Isabel A Jimenez
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland;,
| | - Roy R Pool
- Department of Veterinary Pathobiology, Texas A&M College of Veterinary Medicine & Biomedical Sciences, College Station, Texas
| | - Kathleen L Gabrielson
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
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Barghi F, Shannon HE, Saadatzadeh MR, Bailey BJ, Riyahi N, Bijangi-Vishehsaraei K, Just M, Ferguson MJ, Pandya PH, Pollok KE. Precision Medicine Highlights Dysregulation of the CDK4/6 Cell Cycle Regulatory Pathway in Pediatric, Adolescents and Young Adult Sarcomas. Cancers (Basel) 2022; 14:cancers14153611. [PMID: 35892870 PMCID: PMC9331212 DOI: 10.3390/cancers14153611] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022] Open
Abstract
Simple Summary This review provides an overview of clinical features and current therapies in children, adolescents, and young adults (AYA) with sarcoma. It highlights the basic and clinical findings on the cyclin-dependent kinases 4 and 6 (CDK4/6) cell cycle regulatory pathway in the context of the precision medicine-based molecular profiles of the three most common types of pediatric and AYA sarcomas—osteosarcoma (OS), rhabdomyosarcoma (RMS), and Ewing sarcoma (EWS). Abstract Despite improved therapeutic and clinical outcomes for patients with localized diseases, outcomes for pediatric and AYA sarcoma patients with high-grade or aggressive disease are still relatively poor. With advancements in next generation sequencing (NGS), precision medicine now provides a strategy to improve outcomes in patients with aggressive disease by identifying biomarkers of therapeutic sensitivity or resistance. The integration of NGS into clinical decision making not only increases the accuracy of diagnosis and prognosis, but also has the potential to identify effective and less toxic therapies for pediatric and AYA sarcomas. Genome and transcriptome profiling have detected dysregulation of the CDK4/6 cell cycle regulatory pathway in subpopulations of pediatric and AYA OS, RMS, and EWS. In these patients, the inhibition of CDK4/6 represents a promising precision medicine-guided therapy. There is a critical need, however, to identify novel and promising combination therapies to fight the development of resistance to CDK4/6 inhibition. In this review, we offer rationale and perspective on the promise and challenges of this therapeutic approach.
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Affiliation(s)
- Farinaz Barghi
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - Harlan E. Shannon
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - M. Reza Saadatzadeh
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Barbara J. Bailey
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
| | - Niknam Riyahi
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Khadijeh Bijangi-Vishehsaraei
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Marissa Just
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Michael J. Ferguson
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
| | - Pankita H. Pandya
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
- Correspondence: (P.H.P.); (K.E.P.)
| | - Karen E. Pollok
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (H.E.S.); (M.R.S.); (B.J.B.); (N.R.); (K.B.-V.)
- Department of Pediatrics, Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (M.J.); (M.J.F.)
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Correspondence: (P.H.P.); (K.E.P.)
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12
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Zou Z, Sun W, Xu Y, Liu W, Zhong J, Lin X, Chen Y. Application of Multi-Omics Approach in Sarcomas: A Tool for Studying Mechanism, Biomarkers, and Therapeutic Targets. Front Oncol 2022; 12:946022. [PMID: 35875106 PMCID: PMC9304858 DOI: 10.3389/fonc.2022.946022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/16/2022] [Indexed: 12/18/2022] Open
Abstract
Sarcomas are rare, heterogeneous mesenchymal neoplasms with various subtypes, each exhibiting unique genetic characteristics. Although studies have been conducted to improve the treatment for sarcomas, the specific development from normal somatic cells to sarcoma cells is still unclear and needs further research. The diagnosis of sarcomas depends heavily on the pathological examination, which is yet a difficult work and requires expert analysis. Advanced treatment like precise medicine optimizes the efficacy of treatment and the prognosis of sarcoma patients, yet, in sarcomas, more studies should be done to put such methods in clinical practice. The revolution of advanced technology has pushed the multi-omics approach to the front, and more could be learnt in sarcomas with such methods. Multi-omics combines the character of each omics techniques, analyzes the mechanism of tumor cells from different levels, which makes up for the shortage of single-omics, and gives us an integrated picture of bioactivities inside tumor cells. Multi-omics research of sarcomas has reached appreciable progress in recent years, leading to a better understanding of the mutation, proliferation, and metastasis of sarcomas. With the help of multi-omics approach, novel biomarkers were found, with promising effects in improving the process of diagnosis, prognosis anticipation, and treatment decision. By analyzing large amounts of biological features, subtype clustering could be done in a better precision, which may be useful in the clinical procedure. In this review, we summarized recent discoveries using multi-omics approach in sarcomas, discussed their merits and challenges, and concluded with future perspectives of the sarcoma research.
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Affiliation(s)
- Zijian Zou
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wei Sun
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yu Xu
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Wanlin Liu
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jingqin Zhong
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xinyi Lin
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yong Chen
- Department of Musculoskeletal Surgery, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
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13
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α-Linolenic Acid Suppresses Proliferation and Invasion in Osteosarcoma Cells via Inhibiting Fatty Acid Synthase. Molecules 2022; 27:molecules27092741. [PMID: 35566090 PMCID: PMC9105512 DOI: 10.3390/molecules27092741] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/11/2022] [Accepted: 04/20/2022] [Indexed: 12/26/2022] Open
Abstract
Fatty acid synthase (FASN) is highly expressed in multiple types of human cancers and is recognized as one of the targets for treating cancer metastasis. α-Linolenic acid is an omega-3 essential fatty acid and it possesses various biological activities. The present study was designed to reveal the effects of α-linolenic acid on osteosarcoma and to reveal whether the mechanism of α-linolenic acid in anticancer activity may be related to FASN inhibition. The cytotoxicity of α-linolenic acid was assessed in osteosarcoma MG63, 143B, and U2OS cells. Cell viability was detected by the MTT assay. The protein expression level was detected by western blotting. Flow cytometry, Annexin V/propidium iodide dual staining, and Hoechst 33258 staining were performed to assess the apoptotic effects. Wound healing assay was applied to detect the inhibitory effect of α-linolenic acid on osteosarcoma cells migration. The results showed that α-linolenic acid downregulated FASN expression. α-Linolenic acid inhibited osteosarcoma cell proliferation and migration in a dose-dependent manner. In addition, α-linolenic acid regulated endoplasmic reticulum transmembrane receptors and signal protein expression in osteosarcoma cells. The findings of the present study suggested that α-linolenic acid suppresses osteosarcoma cell proliferation and metastasis by inhibiting FASN expression, which provides a basis as a potential target for osteosarcoma treatment.
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METTL3 stabilizes HDAC5 mRNA in an m 6A-dependent manner to facilitate malignant proliferation of osteosarcoma cells. Cell Death Dis 2022; 8:179. [PMID: 35396379 PMCID: PMC8993827 DOI: 10.1038/s41420-022-00926-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 02/08/2022] [Accepted: 02/25/2022] [Indexed: 11/30/2022]
Abstract
Osteosarcoma (OS) is a prevalent primary bone sarcoma. Methyltransferase-like 3 (METTL3) is dysregulated in human malignancies. This study explored the mechanism of METTL3 in OS cell proliferation. Our results demonstrated that METTL3 was highly expressed in OS, and correlated with the tumor size, clinical stage, and distant metastasis of OS patients. Higher METTL3 expression indicated poorer prognosis. METTL3 silencing inhibited the malignant proliferation of OS cells, while METTL3 overexpression led to an opposite trend. METTL3 upregulated histone deacetylase 5 (HDAC5) expression in OS cells by increasing the m6A level. HDAC5 reduced the enrichment of H3K9/K14ac on miR-142 promoter, thus suppressing miR-142-5p expression and upregulating armadillo-repeat-containing 8 (ARMC8) level. HDAC5 overexpression or miR-142-5p silencing attenuated the inhibitory effect of METTL3 silencing on OS cell proliferation. Xenograft tumor experiment in nude mice confirmed that METTL3 silencing repressed OS cell proliferation in vivo via the HDAC5/miR-142-5p/ARMC8 axis. Collectively, METTL3-mediated m6A modification facilitated OS cell proliferation via the HDAC5/miR-142-5p/ARMC8 axis.
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15
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miR-652 Inhibits the Proliferation, Migration, and Invasion of Osteosarcoma Cells by Targeting HOXA9 and Regulating the PI3K/Akt Signaling Pathway. JOURNAL OF ONCOLOGY 2022; 2022:4809312. [PMID: 35111226 PMCID: PMC8803419 DOI: 10.1155/2022/4809312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 12/04/2022]
Abstract
Objective The aim of this study was to investigate the abnormal expression of miR-652 in osteosarcoma and its related mechanism. Materials and Methods Reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the expression of miR-652 and HOXA9 in osteosarcoma tissues and normal tissues. A bioinformatics method was used to predict target genes of miR-652, and then luciferase reporter genes and western blot tests were used to verify expression of target genes. The miR-652 overexpression models were established by transfecting miR-652 mimics into osteosarcoma U-2OS cells, and HOXA9 overexpression models were simultaneously established by transfecting pcDNA3.1-HOXA9 into osteosarcoma U-2OS cells. Cell proliferation ability was detected by the CCK-8 assay, cell migration ability was detected by the scratch test, and cell invasion ability was detected by the Transwell invasion assay. Western blot tests were used to verify the expression of HOXA9, p-PI3K, p-AKT, MMP2 and MMP9. Results miR-652 and HOXA9 showed low expression and overexpression, respectively, in osteosarcoma tissues. Proliferation, invasion, and migration abilities of osteosarcoma cells and the level of protein expression of p-PI3K, p-Akt, MMP2, and MMP9 were significantly decreased with enhanced miR-652 expression (P < 0.01), while overexpression of HOXA9 reversed this situation. The results of dual-luciferase reporter gene showed that expression and activity of HOXA9 were downregulated accordingly, and the level of HOXA9 protein was decreased with enhancing miR-652 expression (P < 0.01). Conclusion miR-652 may negatively regulate HOXA9 expression and inhibit the proliferation, migration, and invasion abilities of osteosarcoma cells through the PI3K/Akt signaling pathway.
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16
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Losada-García A, Cortés-Ramírez SA, Cruz-Burgos M, Morales-Pacheco M, Cruz-Hernández CD, Gonzalez-Covarrubias V, Perez-Plascencia C, Cerbón MA, Rodríguez-Dorantes M. Hormone-Related Cancer and Autoimmune Diseases: A Complex Interplay to be Discovered. Front Genet 2022; 12:673180. [PMID: 35111194 PMCID: PMC8801914 DOI: 10.3389/fgene.2021.673180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 12/06/2021] [Indexed: 11/17/2022] Open
Abstract
Neoplasic transformation is a continuous process that occurs in the body. Even before clinical signs, the immune system is capable of recognizing these aberrant cells and reacting to suppress them. However, transformed cells acquire the ability to evade innate and adaptive immune defenses through the secretion of molecules that inhibit immune effector functions, resulting in tumor progression. Hormones have the ability to modulate the immune system and are involved in the pathogenesis of autoimmune diseases, and cancer. Hormones can control both the innate and adaptive immune systems in men and women. For example androgens reduce immunity through modulating the production of pro-inflammatory and anti-inflammatory mediators. Women are more prone than men to suffer from autoimmune diseases such as systemic lupus erythematosus, psoriasis and others. This is linked to female hormones modulating the immune system. Patients with autoimmune diseases consistently have an increased risk of cancer, either as a result of underlying immune system dysregulation or as a side effect of pharmaceutical treatments. Epidemiological data on cancer incidence emphasize the link between the immune system and cancer. We outline and illustrate the occurrence of hormone-related cancer and its relationship to the immune system or autoimmune diseases in this review. It is obvious that some observations are contentious and require explanation of molecular mechanisms and validation. As a result, future research should clarify the molecular pathways involved, including any causal relationships, in order to eventually allocate information that will aid in the treatment of hormone-sensitive cancer and autoimmune illness.
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Affiliation(s)
- A Losada-García
- Laboratorio de Oncogenomica Instituto Nacional de Medicina Genomica, Mexico City, Mexico
| | - SA Cortés-Ramírez
- Laboratorio de Oncogenomica Instituto Nacional de Medicina Genomica, Mexico City, Mexico
| | - M Cruz-Burgos
- Laboratorio de Oncogenomica Instituto Nacional de Medicina Genomica, Mexico City, Mexico
| | - M Morales-Pacheco
- Laboratorio de Oncogenomica Instituto Nacional de Medicina Genomica, Mexico City, Mexico
- Unidad de Investigación en Reproducción Humana, Instituto Nacional de Perinatología-Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | | | | | - Carlos Perez-Plascencia
- Unidad de Genómica y Cáncer, Subdirección de Investigación Básica, INCan, SSA and Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - MA Cerbón
- Unidad de Investigación en Reproducción Humana, Instituto Nacional de Perinatología-Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - M Rodríguez-Dorantes
- Laboratorio de Oncogenomica Instituto Nacional de Medicina Genomica, Mexico City, Mexico
- *Correspondence: M Rodríguez-Dorantes,
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Brozovich AA, Lenna S, Paradiso F, Serpelloni S, McCulloch P, Weiner B, Yustein JT, Taraballi F. Osteogenesis in the presence of chemotherapy: A biomimetic approach. J Tissue Eng 2022; 13:20417314221138945. [PMID: 36451687 PMCID: PMC9703557 DOI: 10.1177/20417314221138945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 10/29/2022] [Indexed: 07/13/2024] Open
Abstract
Osteosarcoma (OS) is the most common bone tumor in pediatrics. After resection, allografts or metal endoprostheses reconstruct bone voids, and systemic chemotherapy is used to prevent recurrence. This urges the development of novel treatment options for the regeneration of bone after excision. We utilized a previously developed biomimetic, biodegradable magnesium-doped hydroxyapatite/type I collagen composite material (MHA/Coll) to promote bone regeneration in the presence of chemotherapy. We also performed experiments to determine if human mesenchymal stem cells (hMSCs) seeded on MHA/Coll scaffold migrate less toward OS cells, suggesting that hMSCs will not contribute to tumor growth and therefore the potential of oncologic safety in vitro. Also, hMSCs seeded on MHA/Coll had increased expression of osteogenic genes (BGLAP, SPP1, ALP) compared to hMSCs in the 2D condition, even when exposed to chemotherapeutics. This is the first study to demonstrate that a highly osteogenic scaffold can potentially be oncologically safe because hMSCs on MHA/Coll tend to differentiate and lose the ability to migrate toward tumor cells. Therefore, hMSCs on MHA/Coll could potentially be utilized for bone regeneration after OS excision.
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Affiliation(s)
- Ava A Brozovich
- Texas A&M College of Medicine, Bryan, TX, USA
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
| | - Stefania Lenna
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
| | - Francesca Paradiso
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
- Reproductive Biology and Gynaecological Oncology Group, Swansea University Medical School, Singleton Park, Swansea, UK
| | - Stefano Serpelloni
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
- Politecnico di Milano, Department of Electronics, Informatics, and Bioengineering (DEIB), Milan, Italy
| | - Patrick McCulloch
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
| | - Bradley Weiner
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
| | - Jason T Yustein
- Texas Children’s Cancer and Hematology Center and The Faris D. Virani Ewing Sarcoma Center, Baylor College of Medicine, Houston, TX, USA
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute, Houston, TX, USA
- Houston Methodist Orthopedics & Sports Medicine, Houston Methodist Hospital, Houston, TX, USA
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18
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Zhou J, Xu L, Yang P, Lin S, Huang H. Circ-ATAD1 is overexpressed in osteosarcoma (OS) and suppresses the maturation of miR-154-5p to increase cell invasion and migration. J Orthop Surg Res 2021; 16:699. [PMID: 34857012 PMCID: PMC8638470 DOI: 10.1186/s13018-021-02809-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/24/2021] [Indexed: 11/23/2022] Open
Abstract
Background Circ-ATAD1 plays an oncogenic role in gastric cancer. However, its roles in other cancers are unclear. We aimed to analyze the role of circ-ATAD1 in osteosarcoma (OS). Methods The expression levels of circ-ATAD1, mature miR-154-5p, and premature miR-154-5p in paired OS and non-tumor tissues from 56 OS patients were determined using RT-qPCR. Nuclear fractionation assay was performed to analyze the subcellular location of circ-ATAD1. The interaction between circ-ATAD1 and premature miR-154-5p was analyzed using RNA pull-down assay. The role of circ-ATAD1 in regulating miR-154-5p maturation was analyzed using RT-qPCR in cells with overexpression. Transwell assays were performed to analyze the roles of circ-ATAD1 and miR-154-5p in regulating OS cell invasion and migration. Results Circ-ATAD1 was overexpressed in OS compared to non-tumor tissues and was detected in the nuclei of OS cells. Mature miR-154-5p, but not premature miR-154-5p, was downregulated in OS tissues compared to non-tumor tissues and was inversely correlated with circ-ATAD1. In OS cells, circ-ATAD1 overexpression decreased the expression of mature miR-154-5p, but not premature miR-154-5p. Transwell assay analysis showed that circ-ATAD1 overexpression increased cell invasion and migration, and mature miR-154-5p overexpression suppressed these cell behaviors. In addition, circ-ATAD1 overexpression reduced the effects of mature miR-154-5p overexpression on cell behaviors. Conclusions Circ-ATAD1 is overexpressed in OS and suppresses miR-154-5p maturation to increase cell invasion and migration. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-021-02809-4.
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Affiliation(s)
- Jihui Zhou
- Department of Traumatic Orthopedics, Maoming People's Hospital, No. 101 Weimin Road, Maoming City, 525000, Guangdong Province, People's Republic of China
| | - Li Xu
- The 9th Recuperation Department of Qingdao Special Servicemen Recuperation Center of PLA NAVY, Qingdao City, 266071, Shandong Province, People's Republic of China
| | - Peng Yang
- Department of Hand and Foot Surgery, The Eighth People's Hospital of Qingdao, Qingdao City, 266100, Shandong Province, People's Republic of China
| | - Shibang Lin
- Department of Traumatic Orthopedics, Maoming People's Hospital, No. 101 Weimin Road, Maoming City, 525000, Guangdong Province, People's Republic of China.
| | - Haizhou Huang
- Department of Traumatic Orthopedics, Maoming People's Hospital, No. 101 Weimin Road, Maoming City, 525000, Guangdong Province, People's Republic of China
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Chen R, Ning Y, Zeng G, Zhou H, Zhou L, Xiao P, Li Z, Zhou J. The miR-193a-5p/NCX2/AKT axis promotes invasion and metastasis of osteosarcoma. J Cancer 2021; 12:5903-5913. [PMID: 34476004 PMCID: PMC8408106 DOI: 10.7150/jca.60969] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 07/28/2021] [Indexed: 12/16/2022] Open
Abstract
MiR-193a-5p has been observed to have oncogenic or tumor suppressive functions in different kinds of cancers, but its role and molecular mechanism in osteosarcoma are elusive. Na+/Ca2+ exchangers (NCX1, NCX2 and NCX3) normally extrude Ca2+ from the cell, and deregulation of the intracellular Ca2+ homeostasis is related to several kinds of diseases, including cancer. The present study demonstrated that miR-193a-5p was upregulated in osteosarcoma tissues compared with the corresponding adjacent noncancerous tissues, and promoted colony formation, migration, invasion and epithelial-mesenchymal transition (EMT) in osteosarcoma cells (SaOS-2 and U-2OS), as well as metastasis in a murine xenograft model. Tandem mass tag-based quantitative proteomics analysis identified NCX2 as a potential target of miR-193a-5p. Luciferase activity assays and Western blotting further confirmed that miR-193a-5p recognized the 3′-untranslated region of NCX2 mRNA, and negatively regulated NCX2 expression. NCX2 was downregulated in osteosarcoma tissues, and its expression was negatively correlated with miR-193a-5p levels. Ectopic expression of NCX2 in osteosarcoma cells could reverse the oncogenicity of miR-193a-5p, indicating that miR-193a-5p exerted its effects by targeting NCX2. Further study demonstrated that NCX2 suppresses Ca2+-dependent Akt phosphorylation by decreasing intracellular Ca2+ concentration, and then inhibited EMT process. Treatment with the antagomir against miR-193a-5p sensitized osteosarcoma to the Akt inhibitor afuresertib in a murine xenograft model. In conclusion, a miR-193a-5p/NCX2/AKT signaling axis contributes to the progression of osteosarcoma, which may provide a new therapeutic target for osteosarcoma treatment.
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Affiliation(s)
- Ruiqi Chen
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Yichong Ning
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Guirong Zeng
- Hunan Key Laboratory of Pharmacodynamics and Safety Evaluation of New Drugs & Hunan Provincial Research Center for Safety Evaluation of Drugs, Changsha 410331, Hunan, China
| | - Hao Zhou
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Lin Zhou
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Pei Xiao
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
| | - Zhihong Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jianlin Zhou
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, College of Life Science, Hunan Normal University, Changsha 410081, Hunan, China
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20
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Alfino LN, Wilczewski-Shirai KC, Cronise KE, Coy J, Glapa K, Ehrhart EJ, Charles JB, Duval DL, Regan DP. Role of Periostin Expression in Canine Osteosarcoma Biology and Clinical Outcome. Vet Pathol 2021; 58:981-993. [PMID: 33685296 PMCID: PMC8426451 DOI: 10.1177/0300985821996671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Periostin is a matricellular protein important in regulating bone, tooth, and cardiac development. In pathologic conditions, periostin drives allergic and fibrotic inflammatory diseases and is also overexpressed in certain cancers. Periostin signaling in tumors has been shown to promote angiogenesis, metastasis, and cancer stem cell survival in rodent models, and its overexpression is associated with poor prognosis in human glioblastoma. However, the role of periostin in regulating tumorigenesis of canine cancers has not been evaluated. Given its role in bone development, we sought to evaluate mRNA and protein expression of periostin in canine osteosarcoma (OS) and assess its association with patient outcome. We validated an anti-human periostin antibody cross-reactive to canine periostin via western blot and immunohistochemistry and evaluated periostin expression in microarray data from 49 primary canine OS tumors and 8 normal bone samples. Periostin mRNA was upregulated greater than 40-fold in canine OS tumors compared to normal bone and was significantly correlated with periostin protein expression based on quantitative image analysis. However, neither periostin mRNA nor protein expression were associated with time to metastasis in this cohort. Gene Set Enrichment Analysis demonstrated significant enhancement of pro-tumorigenic pathways including canonical WNT signaling, epithelial-mesenchymal transition, and angiogenesis in periostin-high tumors, while periostin-low tumors demonstrated evidence of heightened antitumor immune responses. Overall, these data identify a novel antibody that can be used as a tool for evaluation of periostin expression in dogs and suggest that investigation of Wnt pathway-targeted drugs in periostin overexpressing canine OS may be a potential therapeutic target.
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Affiliation(s)
| | | | | | - Jonathan Coy
- 3447Colorado State University, Fort Collins, CO, USA
| | | | - E J Ehrhart
- Ethos Diagnostic Science, Wheat Ridge, CO, USA
| | | | - Dawn L Duval
- 3447Colorado State University, Fort Collins, CO, USA
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21
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Chen KL, Chen CM, Chen CF, Cheng YC, Lin YK, Tsai SW, Chen TH, Wu PK, Chen WM. Comparable outcomes of recycled autografts and allografts for reconstructions in patients with high-grade osteosarcoma. INTERNATIONAL ORTHOPAEDICS 2021; 45:2973-2981. [PMID: 34414485 DOI: 10.1007/s00264-021-05161-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 07/17/2021] [Indexed: 11/24/2022]
Abstract
PURPOSE This retrospective, single-centre study compares the clinical and radiographic outcomes of limb reconstruction using recycled autografts to that using allografts. METHODS Patients with histopathologically verified high-grade osteosarcoma treated with wide bone resection and limb reconstruction using allografts or recycled autografts from January 1998 through December 2012 were retrospectively screened for enrolment eligibility. The final study cohort included 255 patients (allograft, 91; recycled autograft, 164). Data regarding post-operative complications, salvage treatment, and graft survival were collected. A modified International Society of Limb Salvage classification system was used to evaluate the radiographic findings. RESULTS The time to graft-host union did not differ significantly between the two graft types. Patients receiving recycled autografts had fewer complications compared than did those receiving allografts (recycled autografts vs. allograft: structural failure, 4.3 vs. 13.2%; late infection, 2.4 vs. 7.7%; all p < 0.05). Complications occurred most frequently during the first three years after surgery, and the majority were manageable. The five year limb survival rate did not differ significantly between the two graft types (91.3 vs. 94.0%; p = 0.752). No local oncological recurrence was observed within the recycled autografts. CONCLUSION Recycled autografts and allografts are feasible options for biological limb reconstructions in terms of complications and graft survival after wide resection of osteosarcoma.
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Affiliation(s)
- Kuan-Lin Chen
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC
| | - Chao-Ming Chen
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC.,Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, No. 155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC
| | - Cheng-Fong Chen
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC
| | - Yu-Chi Cheng
- Department of Radiology, Taipei Veterans General Hospital, No.201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC
| | - Yu-Kuan Lin
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC.,Institute of Biomedical Engineering, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan (ROC)
| | - Shang-Wen Tsai
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC.,Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, No. 155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC
| | - Tain-Hsiung Chen
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC
| | - Po-Kuei Wu
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC. .,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC. .,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC. .,Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, No. 155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC.
| | - Wei-Ming Chen
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Department of Orthopaedics, Therapeutical and Research Center of Musculoskeletal Tumor, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, Taipei City, 112, Taiwan ROC.,Orthopaedic Department School of Medicine, National Yang Ming Chiao Tung University, No.155, Sec.2, Linong Street, Taipei City, 112, Taiwan ROC
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22
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Kasiram MZ, Hapidin H, Abdullah H, Ahmad A, Sulong S. Combination Therapy of Cisplatin and other Agents for Osteosarcoma: A Review. CURRENT CANCER THERAPY REVIEWS 2021. [DOI: 10.2174/1573394716999201016160946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Background:
Osteosarcoma is the most common type of primary bone tumor in children
and adolescents, which is associated with rapid progression and poor prognosis. Multimodal
therapy is the most common approach utilized for osteosarcoma management, such as the application
of chemotherapy in combination with surgery or radiation therapy. Cisplatin is one of the predominantly
used chemotherapeutic agents for osteosarcoma. Optimally, it is employed in combination
with other chemotherapeutic drugs along with surgery or radiation therapy. Despite the availability
of numerous treatment approaches, the patient survival rate has not definitively improved
over the past three decades.
Methods:
We have summarized all findings regarding the combination of cisplatin with other chemotherapeutic
agents as well as with phytochemical compounds.
Results:
A combination of cisplatin with a phytochemical compound synergistically enhances the
killing effect of cisplatin on osteosarcoma cells with fewer side effects compared to combination
with other chemotherapeutic agents.
Conclusion:
Conclusively, a combination of cisplatin with selected chemotherapeutic drugs has
been shown to be effective. However, the unchanged survival rate has posed an urge to search for a
new combination regimen. As a collaborative effort to substantiate the therapeutic efficacy, the
combination with phytochemical compounds shows a promising response both in vitro as well as
in the preclinical study.
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Affiliation(s)
- Mohamad Z. Kasiram
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hermizi Hapidin
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Hasmah Abdullah
- School of Health Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Azlina Ahmad
- School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Sarina Sulong
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
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23
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Liu Z, Wang H, Hu C, Wu C, Wang J, Hu F, Fu Y, Wen J, Zhang W. Targeting autophagy enhances atezolizumab-induced mitochondria-related apoptosis in osteosarcoma. Cell Death Dis 2021; 12:164. [PMID: 33558476 PMCID: PMC7870858 DOI: 10.1038/s41419-021-03449-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/28/2020] [Accepted: 12/30/2020] [Indexed: 11/09/2022]
Abstract
In this study, we identified the multifaceted effects of atezolizumab, a specific monoclonal antibody against PD-L1, in tumor suppression except for restoring antitumor immunity, and investigated the promising ways to improve its efficacy. Atezolizumab could inhibit the proliferation and induce immune-independent apoptosis of osteosarcoma cells. With further exploration, we found that atezolizumab could impair mitochondria of osteosarcoma cells, resulting in increased release of reactive oxygen species and cytochrome-c, eventually leading to mitochondrial-related apoptosis via activating JNK pathway. Nevertheless, the excessive release of reactive oxygen species also activated the protective autophagy of osteosarcoma cells. Therefore, when we combined atezolizumab with autophagy inhibitors, the cytotoxic effect of atezolizumab on osteosarcoma cells was significantly enhanced in vitro. Further in vivo experiments also confirmed that atezolizumab combined with chloroquine achieved the most significant antitumor effect. Taken together, our study indicates that atezolizumab can induce mitochondrial-related apoptosis and protective autophagy independently of the immune system, and targeting autophagy is a promising combinatorial approach to amplify its cytotoxicity.
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Affiliation(s)
- Zhuochao Liu
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongyi Wang
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chuanzhen Hu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200072, China
| | - Chuanlong Wu
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun Wang
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fangqiong Hu
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yucheng Fu
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junxiang Wen
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Weibin Zhang
- Department of Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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24
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Identification and Analysis of Three Hub Prognostic Genes Related to Osteosarcoma Metastasis. JOURNAL OF ONCOLOGY 2021; 2021:6646459. [PMID: 33564309 PMCID: PMC7867449 DOI: 10.1155/2021/6646459] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/24/2020] [Accepted: 01/09/2021] [Indexed: 12/15/2022]
Abstract
Osteosarcoma (OS) often occurs in children and often undergoes metastasis, resulting in lower survival rates. Information on the complexity and pathogenic mechanism of OS is limited, and thus, the development of treatments involving alternative molecular and genetic targets is hampered. We categorized transcriptome data into metastasis and nonmetastasis groups, and 400 differential RNAs (230 messenger RNAs (mRNAs) and 170 long noncoding RNAs (lncRNAs)) were obtained by the edgeR package. Prognostic genes were identified by performing univariate Cox regression analysis and the Kaplan-Meier (KM) survival analysis. We then examined the correlation between the expression level of prognostic lncRNAs and mRNAs. Furthermore, microRNAs (miRNAs) corresponding to the coexpression of lncRNA-mRNA was predicted, which was used to construct a competitive endogenous RNA (ceRNA) regulatory network. Finally, multivariate Cox proportional risk regression analysis was used to identify hub prognostic genes. Three hub prognostic genes (ABCG8, LOXL4, and PDE1B) were identified as potential prognostic biomarkers and therapeutic targets for OS. Furthermore, transcriptions factors (TFs) (DBP, ESX1, FOS, FOXI1, MEF2C, NFE2, and OTX2) and lncRNAs (RP11-357H14.16, RP11-284N8.3, and RP11-629G13.1) that were able to affect the expression levels of genes before and after transcription were found to regulate the prognostic hub genes. In addition, we identified drugs related to the prognostic hub genes, which may have potential clinical applications. Immunohistochemistry (IHC) and quantitative real-time polymerase chain reaction (qRT-PCR) confirmed that the expression levels of ABCG8, LOXL4, and PDE1B coincided with the results of bioinformatics analysis. Moreover, the relationship between the hub prognostic gene expression and patient prognosis was also validated. Our study elucidated the roles of three novel prognostic biomarkers in the pathogenesis of OS as well as presenting a potential clinical treatment for OS.
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25
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Qiu Z, Du X, Chen K, Dai Y, Wang S, Xiao J, Li G. Gene signatures with predictive and prognostic survival values in human osteosarcoma. PeerJ 2021; 9:e10633. [PMID: 33520450 PMCID: PMC7812922 DOI: 10.7717/peerj.10633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/01/2020] [Indexed: 12/15/2022] Open
Abstract
Osteosarcoma is a common malignancy seen mainly in children and adolescents. The disease is characterized by poor overall prognosis and lower survival due to a lack of predictive markers. Many gene signatures with diagnostic, prognostic, and predictive values were evaluated to achieve better clinical outcomes. Two public data series, GSE21257 and UCSC Xena, were used to identify the minimum number of robust genes needed for a predictive signature to guide prognosis of patients with osteosarcoma. The lasso regression algorithm was used to analyze sequencing data from TCGA-TARGET, and methods such as Cox regression analysis, risk factor scoring, receiving operating curve, KMplot prognosis analysis, and nomogram were used to characterize the prognostic predictive power of the identified genes. Their utility was assessed using the GEO osteosarcoma dataset. Finally, the functional enrichment analysis of the identified genes was performed. A total of twenty-gene signatures were found to have a good prognostic value for predicting patient survival. Gene ontology analysis showed that the key genes related to osteosarcoma were categorized as peptide–antigen binding, clathrin-coated endocytic vesicle membrane, peptide binding, and MHC class II protein complex. The osteosarcoma related genes in these modules were significantly enriched in the processes of antigen processing and presentation, phagocytosis, cell adhesion molecules, Staphylococcus aureus infection. Twenty gene signatures were identified related to osteosarcoma, which would be helpful for predicting prognosis of patients with OS. Further, these signatures can be used to determine the subtypes of osteosarcoma.
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Affiliation(s)
- Zhongpeng Qiu
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Xinhui Du
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Kai Chen
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Yi Dai
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Sibo Wang
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Jun Xiao
- School of Medicine, Shihezi University, Shihezi, Xinjiang, China
| | - Gang Li
- Trauma Department of Orthopedics, First Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, Xinjiang, China
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26
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Wu K, Feng Q, Li L, Xiong Y, Liu S, Liu J, Wu Q. Long-Noncoding RNA PCAT6 Aggravates Osteosarcoma Tumourigenesis via the MiR-143-3p/ZEB1 Axis. Onco Targets Ther 2020; 13:8705-8714. [PMID: 32922042 PMCID: PMC7457841 DOI: 10.2147/ott.s258415] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 08/08/2020] [Indexed: 12/13/2022] Open
Abstract
Introduction The long-noncoding RNA PCAT6 plays an important regulatory role in the development of several cancers. However, the expression pattern and underlying mechanisms of PCAT6 in osteosarcoma (OS) are yet unknown. Methods We used real-time PCR to measure PCAT6 expression in 106 tumor pairs and corresponding non-tumor tissues from OS patients. Statistical analyses were applied to evaluate the prognostic value and associations of PCAT6 expression with clinical parameters. Furthermore, the PCAT6 was silenced with siRNA in OS cells. Moreover, phenotype of PCAT6 silenced OS cells was measured using colony formation, CCK-8, cell migration and invasion assay. Finally, the molecular mechanism of PCAT6/miR-143-3p/ZEB1 axis in OS progression was explored. Results The expression level of PCAT6 in OS tissues was significantly elevated as compared with that in the adjacent normal bone tissues and that high PCAT6 expression closely correlated with the malignant phenotype and poor survival among patients with OS. Multivariate analyses revealed PCAT6 overexpression as an independent prognostic factor for the poor outcome of patients with OS. Functional assay results demonstrated that the knockdown of PCAT6 expression notably suppressed the proliferation, migration, and invasion of OS cells. An elevated PCAT6 level aggravated the malignant phenotype of OS cells via ZEB1 expression upregulation. Mechanistic studies revealed that PCAT6 could sponge endogenous miR-143-3p and inhibit its activity, resulting in an increase in ZEB1 level. Finally, we demonstrated that the tumour-promoting role of PCAT6 in OS was dependent on the regulation of the miR-143-3p/ZEB1 axis. Conclusion These findings highlight the potential role of PCAT6, which could serve as a valuable prognostic indicator for patients with OS.
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Affiliation(s)
- Kai Wu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang 300006, People's Republic of China
| | - Qiong Feng
- Nursing School, Nanchang University, Nanchang 300006, People's Republic of China
| | - Liang Li
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang 300006, People's Republic of China
| | - Yanfei Xiong
- Department of Orthopedics, Jingan Hospital, Yichun 330600, People's Republic of China
| | - Shihong Liu
- Jingan Hospital of Traditional Chinese Medicine, Yichun 330600, People's Republic of China
| | - Jie Liu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang 300006, People's Republic of China
| | - Qing Wu
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, Nanchang 300006, People's Republic of China
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27
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Cersosimo F, Lonardi S, Bernardini G, Telfer B, Mandelli GE, Santucci A, Vermi W, Giurisato E. Tumor-Associated Macrophages in Osteosarcoma: From Mechanisms to Therapy. Int J Mol Sci 2020; 21:E5207. [PMID: 32717819 PMCID: PMC7432207 DOI: 10.3390/ijms21155207] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 12/20/2022] Open
Abstract
Osteosarcomas (OSs) are bone tumors most commonly found in pediatric and adolescent patients characterized by high risk of metastatic progression and recurrence after therapy. Effective therapeutic management of this disease still remains elusive as evidenced by poor patient survival rates. To achieve a more effective therapeutic management regimen, and hence patient survival, there is a need to identify more focused targeted therapies for OSs treatment in the clinical setting. The role of the OS tumor stroma microenvironment plays a significant part in the development and dissemination of this disease. Important components, and hence potential targets for treatment, are the tumor-infiltrating macrophages that are known to orchestrate many aspects of OS stromal signaling and disease progression. In particular, increased infiltration of M2-like tumor-associated macrophages (TAMs) has been associated with OS metastasis and poor patient prognosis despite currently used aggressive therapies regimens. This review aims to provide a summary update of current macrophage-centered knowledge and to discuss the possible roles that macrophages play in the process of OS metastasis development focusing on the potential influence of stromal cross-talk signaling between TAMs, cancer-stem cells and additional OSs tumoral microenvironment factors.
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Affiliation(s)
- Francesca Cersosimo
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy; (F.C.); (G.B.); (A.S.)
| | - Silvia Lonardi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (S.L.); (G.E.M.); (W.V.)
| | - Giulia Bernardini
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy; (F.C.); (G.B.); (A.S.)
| | - Brian Telfer
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, UK;
| | - Giulio Eugenio Mandelli
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (S.L.); (G.E.M.); (W.V.)
| | - Annalisa Santucci
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy; (F.C.); (G.B.); (A.S.)
| | - William Vermi
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy; (S.L.); (G.E.M.); (W.V.)
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Emanuele Giurisato
- Department of Biotechnology Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy; (F.C.); (G.B.); (A.S.)
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, UK
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28
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Zhang C, Zheng JH, Lin ZH, Lv HY, Ye ZM, Chen YP, Zhang XY. Profiles of immune cell infiltration and immune-related genes in the tumor microenvironment of osteosarcoma. Aging (Albany NY) 2020; 12:3486-3501. [PMID: 32039832 PMCID: PMC7066877 DOI: 10.18632/aging.102824] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 01/27/2020] [Indexed: 12/26/2022]
Abstract
This work aimed to investigate tumor-infiltrating immune cells (TIICs) and immune-associated genes in the tumor microenvironment of osteosarcoma. An algorithm known as ESTIMATE was applied for immune score assessment, and osteosarcoma cases were assigned to the high and low immune score groups. Immune-associated genes between these groups were compared, and an optimal immune-related risk model was built by Cox regression analyses. The deconvolution algorithm (referred to as CIBERSORT) was applied to assess 22 TIICs for their amounts in the osteosarcoma microenvironment. Osteosarcoma cases with high immune score had significantly improved outcome (P<0.01). The proportions of naive B cells and M0 macrophages were significantly lower in high immune score tissues compared with the low immune score group (P<0.05), while the amounts of M1 macrophages, M2 macrophages, and resting dendritic cells were significantly higher (P<0.05). Important immune-associated genes were determined to generate a prognostic model by Cox regression analysis. Interestingly, cases with high risk score had poor outcome (P<0.01). The areas under the curve (AUC) for the risk model in predicting 1, 3 and 5-year survival were 0.634, 0.781, and 0.809, respectively. Gene set enrichment analysis suggested immunosuppression in high-risk osteosarcoma patients, in association with poor outcome.
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Affiliation(s)
- Chi Zhang
- Graduate School, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Jing-Hui Zheng
- Department of Cardiology, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning 530011, China
| | - Zong-Han Lin
- Department of Orthopedics, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning 530011, China
| | - Hao-Yuan Lv
- Department of Orthopedics, Hubei University of Chinese Medicine Huangjiahu Hospital, Wuhan 430065, China
| | - Zhuo-Miao Ye
- Ruikang School of Clinical Medicine, Guangxi University of Chinese Medicine, Nanning 530001, China
| | - Yue-Ping Chen
- Department of Orthopedics, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning 530011, China
| | - Xiao-Yun Zhang
- Department of Orthopedics, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Nanning 530011, China
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29
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de Azevedo JWV, de Medeiros Fernandes TAA, Fernandes JV, de Azevedo JCV, Lanza DCF, Bezerra CM, Andrade VS, de Araújo JMG, Fernandes JV. Biology and pathogenesis of human osteosarcoma. Oncol Lett 2019; 19:1099-1116. [PMID: 31966039 PMCID: PMC6955653 DOI: 10.3892/ol.2019.11229] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 09/10/2019] [Indexed: 12/26/2022] Open
Abstract
Osteosarcoma (OS) is a bone tumor of mesenchymal origin, most frequently occurring during the rapid growth phase of long bones, and usually located in the epiphyseal growth plates of the femur or the tibia. Its most common feature is genome disorganization, aneuploidy with chromosomal alterations, deregulation of tumor suppressor genes and of the cell cycle, and an absence of DNA repair. This suggests the involvement of surveillance failures, DNA repair or apoptosis control during osteogenesis, allowing the survival of cells which have undergone alterations during differentiation. Epigenetic events, including DNA methylation, histone modifications, nucleosome remodeling and expression of non-coding RNAs have been identified as possible risk factors for the tumor. It has been reported that p53 target genes or those genes that have their activity modulated by p53, in addition to other tumor suppressor genes, are silenced in OS-derived cell lines by hypermethylation of their promoters. In osteogenesis, osteoblasts are formed from pluripotent mesenchymal cells, with potential for self-renewal, proliferation and differentiation into various cell types. This involves complex signaling pathways and multiple factors. Any disturbance in this process can cause deregulation of the differentiation and proliferation of these cells, leading to the malignant phenotype. Therefore, the origin of OS seems to be multifactorial, involving the deregulation of differentiation of mesenchymal cells and tumor suppressor genes, activation of oncogenes, epigenetic events and the production of cytokines.
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Affiliation(s)
| | | | | | | | | | - Christiane Medeiros Bezerra
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, 59072-970 Natal, RN, Brazil
| | - Vânia Sousa Andrade
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, 59072-970 Natal, RN, Brazil
| | | | - José Veríssimo Fernandes
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, 59072-970 Natal, RN, Brazil
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30
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Development of an Oriental Medicine Discrimination Method through Analysis of Steroidal Saponins in Dioscorea nipponica Makino and Their Anti-Osteosarcoma Effects. Molecules 2019; 24:molecules24224022. [PMID: 31698850 PMCID: PMC6891741 DOI: 10.3390/molecules24224022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 10/29/2019] [Accepted: 11/05/2019] [Indexed: 12/26/2022] Open
Abstract
To prevent confusing Dioscorea nipponica (DN), an Oriental medicine, with Dioscorea quinquelobata (DQ) and Dioscorea septemloba (DS), a simple and accurate quantitative analysis method using HPLC combined with ultraviolet (UV) detection was developed and verified with UPLC-QTOF/MS through identification of five saponin glycosides: protodioscin (1), protogracillin (2), pseudoprotodioscin (3), dioscin (4), and gracillin (5). The newly developed analysis method showed sufficient reproducibility (<1.91%) and accuracy (92.1%–102.6%) and was able to identify DN based on the presence of compound 3 (13.821 ± 0.037 mg/mL) and the absence of 5. Compound 1, which is present in DN at a relatively high level (159.983 ± 0.064 mg/mL), was also an important marker for identification. Among the three species, DN showed the strongest activation of apoptotic signaling in osteosarcoma cells, while the four compounds detected in DN showed IC50 values of 6.43 (1), 10.61 (2), 10.48 (3), and 6.90 (4). In conclusion, the strong inhibitory effect of DN against osteosarcoma was confirmed to be associated with 1 and 4, which is also related to the quantitative results. Therefore, the results of this study might provide important information for quality control related to Oriental medicine.
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Jiang H, Guo W, Yuan S, Song L. Matrilin-2 is a novel prognostic marker in osteosarcoma. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2019; 12:3752-3760. [PMID: 31933763 PMCID: PMC6949765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 09/23/2019] [Indexed: 06/10/2023]
Abstract
OBJECTIVE Osteosarcoma is the most malignant bone tumor in adolescents. Molecules that are significantly associated with prognosis of osteosarcoma remain to be elucidated. In this study, we aimed to explore the prognostic role of Matrilin-2 (MATN2) in osteosarcoma. METHODS By in silico analysis, we used GSE42352, GSE33382, and GSE21257 to explore the differential expression in osteosarcoma patients with different tumor status. Tissue and serum levels of MATN2 in 56 osteosarcoma patients were verified by RT-PCR and ELISA kits, respectively. Small interfering RNA was used to interfere with the expression of MATN2 in U-2OS and MG-63. CCK-8 and transwell assay were used to detect cell proliferation and migration, respectively. Western blot was used to detect the expression of invasion-related proteins. RESULTS MATN2 was overexpressed both in osteosarcoma cells and tissues when compared to normal controls. Both tissue and serum level of MATN2 correlated with tumor Enneking stage and metastasis status in osteosarcoma patients according to GEO datasets and validation cohort. Further Kaplan-Meier analysis revealed that MATN2 was a novel prognostic marker in patients with osteosarcoma. Knockdown of MATN2 by siRNA significantly reduced the proliferation and invasion of osteosarcoma cells in vivo. Furthermore, inhibition of MATN2 in U-2OS and MG-63 cells dramatically reduced the expression of mmp2, vimentin and snail1. CONCLUSION Elevated MATN2 in tissues and serum significantly associated with both tumor malignancy and poor outcome, which indicates MATN2 could be a prognostic biomarker in patients with osteosarcoma.
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Affiliation(s)
- Haoli Jiang
- Department of Orthopedics, The Third People's Hospital of Shenzhen Shenzhen, China
| | - Wei Guo
- Department of Orthopedics, The Third People's Hospital of Shenzhen Shenzhen, China
| | - Shanyou Yuan
- Department of Orthopedics, The Third People's Hospital of Shenzhen Shenzhen, China
| | - Lixia Song
- Department of Orthopedics, The Third People's Hospital of Shenzhen Shenzhen, China
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Williams LA, Spector LG. Survival Differences Between Males and Females Diagnosed With Childhood Cancer. JNCI Cancer Spectr 2019; 3:pkz032. [PMID: 31259303 PMCID: PMC6580869 DOI: 10.1093/jncics/pkz032] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/12/2019] [Accepted: 04/24/2019] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Males have worse survival for childhood cancer, but whether this disparity exists among all childhood cancer types is undescribed. METHODS We estimated sex differences in survival for 18 cancers among children (0-19 years) in Surveillance, Epidemiology, and End Results 18 (2000-2014). We used Kaplan-Meier survival curves (log-rank P values) to characterize sex differences in survival and Cox proportional hazards models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for the association between sex and death for each cancer type. We used an inverse odds weighting method to determine whether the association between sex and death was mediated by stage of disease for solid tumors. RESULTS Males had worse overall survival and a higher risk of death for acute lymphoblastic leukemia (HR = 1.24, 95% CI = 1.12 to 1.37), ependymoma (HR = 1.36, 95% CI = 1.05 to 1.77), neuroblastoma (HR = 1.28, 95% CI = 1.09 to 1.51), osteosarcoma (HR = 1.29, 95% CI = 1.08 to 1.53), thyroid carcinoma (HR = 3.25, 95% CI = 1.45 to 7.33), and malignant melanoma (HR = 1.97, 95% CI = 1.33 to 2.92) (all log-rank P values < .02). The association between sex and death was mediated by stage of disease for neuroblastoma (indirect HR = 1.12, 95% CI = 1.05 to 1.19), thyroid carcinoma (indirect HR = 1.24, 95% CI = 1.03 to 1.48), and malignant melanoma (indirect HR = 1.28, 95% CI = 1.10 to 1.49). For these six tumors, if male survival had been as good as female survival, 21% of male deaths and 13% of total deaths after these cancer diagnoses could have been avoided. CONCLUSIONS Consideration of molecular tumor and clinical data may help identify mechanisms underlying the male excess in death after childhood cancer for the aforementioned cancers.
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Affiliation(s)
- Lindsay A Williams
- Division of Epidemiology & Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN
| | - Logan G Spector
- Division of Epidemiology & Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN
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