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Osteosarcoma of lung metastasis

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https://www.readbyqxmd.com/read/30334373/euxanthone-impairs-the-metastatic-potential-of-osteosarcoma-by-reducing-cox-2-expression
#1
Xiaodong Chen, Min Deng, Xinshe Zhou, Xuyi Wang, Yuchen Ye, Jun Zhu, Huafeng Jiang, Xiaotian Chen, Wenju Zha
OBJECTIVE: Osteosarcoma (OS) is one of the most common malignancies of bone. This study was aimed to explore the anti-metastatic effect of euxanthone on OS. MATERIALS AND METHODS: Adhesion assay and Transwell assay were used to examine the effect of euxanthone on adhesion, migration and invasion of OS cells. COX-2-over-expressing plasmid was applied to transfect OS cells to assess whether COX-2 affects the anti-metastatic function of euxanthone. PDCD4 knockdown and miR-21 mimic were applied to assess whether euxanthone suppresses the transactivation of c-jun via modulating miR-21-PDCD4 signaling...
October 17, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/30266483/a-curative-treatment-strategy-using-tumor-debulking-surgery-combined-with-immune-checkpoint-inhibitors-for-advanced-pediatric-solid-tumors-an-in-vivo-study-using-a-murine-model-of-osteosarcoma
#2
Takahiro Shimizu, Yasushi Fuchimoto, Hajime Okita, Kazumasa Fukuda, Yuko Kitagawa, Shigeru Ueno, Tatsuo Kuroda
BACKGROUND/PURPOSE: This study aimed to assess the significance of tumor debulking surgery by using immune checkpoint inhibitors for advanced pediatric solid tumors in a murine model of advanced osteosarcoma. METHODS: In C3H mice, 5 × 106 LM8 (osteosarcoma cell line with a high metastatic potential in the lungs originating from the C3H mouse) cells were transplanted subcutaneously. Thereafter, the mice were divided into 4 groups as follows: the control group received no intervention (CG, n = 5), the surgery group underwent subcutaneous tumor resection (tumor debulking surgery) 11 days after transplantation (SG, n = 10), the immunotherapy group received a cocktail consisting of 200 μg each of three antibodies (anti-Tim-3, anti-PD-L1, and anti-OX-86) intraperitoneally on posttransplantation days 11, 14, 18, and 21 (IG, n = 10), and the combination therapy group, tumor debulking surgery on day 11 and the cocktail intraperitoneally on days 11, 14, 18, and 21 (COMBG, n = 10)...
September 2, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/30263004/a-novel-circulating-hsa_circ_0081001-act-as-a-potential-biomarker-for-diagnosis-and-prognosis-of-osteosarcoma
#3
Zhu Kun-Peng, Zhang Chun-Lin, Hu Jian-Ping, Zhang Lei
Chemo-resistance and lung metastasis have been the two obstacles in the osteosarcoma (OS) treatment, which is still lack of effective biomarkers for prediction, diagnosis and treatment. Circular RNA (circRNA) is a new type of endogenous noncoding RNA that could serve as ideal biomarkers in cancer because of its stable loop structure. However, little is known about the diagnostic value of circRNAs in OS as well as their associations with clinicopathologic characteristics of OS patients. In the current study, we identified a novel circRNA, hsa_circ_0081001, screened by the RNA sequencing in the three paired chemo-resistant and chemo-sensitive OS cell lines (MG63/DXR vs MG63, KHOS/DXR vs KHOS, U2OS/DXR vs U2OS), and found that hsa_circ_0081001 was significantly up-regulated in the OS cell lines, tissues and serums, associated with poor overall survival and cox multivariate analysis showed that hsa_circ_0081001 was a novel independent prognostic factor for OS patients...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/30250282/down-regulation-of-skp2-expression-inhibits-invasion-and-lung-metastasis-in-osteosarcoma
#4
Yidan Zhang, Yoav S Zvi, Brian Batko, Nikolas Zaphiros, Edmond F O'Donnell, Jichuan Wang, Kenji Sato, Rui Yang, David S Geller, Pratistha Koirala, Wendong Zhang, Xiuquan Du, Sajida Piperdi, Yang Liu, Deyou Zheng, Michael Roth, Jonathan Gill, Jinghang Zhang, Tingting Ren, Richard Gorlick, Xiaolin Zi, Bang H Hoang
Osteosarcoma (OS), the most common primary cancer of bone, exhibits a high propensity for local invasion and distant metastasis. This study sought to elucidate the role of S phase kinase-associated protein (Skp2) in osteosarcoma invasion and metastasis and to explore flavokawain A (FKA), a natural chalcone from kava extract, as a potential Skp2 targeting agent for preventing osteosarcoma progression. Skp2 was found to be overexpressed in multiple osteosarcoma cell lines, including 5 standard and 8 primary patient-derived cell lines...
September 24, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30243739/oridonin-prevents-epithelial-mesenchymal-transition-and-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-by-inhibiting-tgf-%C3%AE-1-smad2-3-in-osteosarcoma
#5
Yang Sun, Xiubo Jiang, Ying Lu, Jianwei Zhu, Lisha Yu, Bo Ma, Qi Zhang
Osteosarcoma is the most common primary bone tumor with highly invasive characteristic and low long-term survival. Recently, epithelial-mesenchymal transition (EMT) is reported as a key event in cancer invasion and metastasis. Oridonin, a bioactive diterpenoid, has been proved to possess anti-cancer effects. However, the effect of oridonin on EMT and metastasis of osteosarcoma is unclear. In this study, we investigated the underlying mechanism of oridonin on EMT and metastasis of osteosarcoma. We found that oridonin inhibited migration and invasion of MG-63 and 143B cells...
September 19, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/30237736/significance-of-circulating-tumor-cells-in-osteosarcoma-patients-treated-by-neoadjuvant-chemotherapy-and-surgery
#6
Zhen-Jie Wu, Jia-Chang Tan, Xiong Qin, Bin Liu, Zhen-Chao Yuan
Purpose: By examining and identifying circulating tumor cell (CTC) counts and subtypes of peripheral blood in osteosarcoma patients, we evaluated the relationship between CTCs and characteristics of osteosarcoma patients, as well as CTC changes after neoadjuvant chemotherapy and surgery. Methods: CanPatrol™ CTC technology was used to detect CTCs in peripheral blood before and after treatment in 32 osteosarcoma patients. Peripheral blood samples from 10 healthy volunteers were included as controls and examined for the presence of CTCs...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/30215968/bone-cancer-diagnosis-and-treatment-principles
#7
Jason L Ferguson, Sean P Turner
Primary bone cancers include osteosarcoma, Ewing sarcoma, and chondrosarcoma. They account for less than 1% of diagnosed cancers each year and are associated with significant morbidity and mortality. Timely diagnosis is challenging because of late patient presentation, nonspecific symptoms that mimic common musculoskeletal injuries, and low suspicion by physicians. Plain radiography is the preferred diagnostic test. Radiographic suspicion of a bone malignancy should prompt quick referral to a cancer center for multidisciplinary care...
August 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/30190236/can-imaging-distinguish-between-low-grade-and-dedifferentiated-parosteal-osteosarcoma
#8
Han-Ying Lin, Hung-Ta Hondar Wu, Po-Kuei Wu, Ching-Lan Wu, Paul Chih-Hsueh Chen, Wei-Ming Chen, Wan-Yuo Guo
BACKGROUND: Most instances of the parosteal osteosarcoma (OGS) are low-grade tumors. However, some parosteal OGSs undergo dedifferentiated transformation. Dedifferentiated parosteal OGS can cause distant metastasis and poor survival, and preoperative chemotherapy may be warranted. This study provides imaging clues for dedifferentiated parosteal OGS before treatment. METHODS: The study retrospectively enrolled 23 patients with histologically proven parosteal OGS, including 69...
September 3, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/30185176/the-multidisciplinary-treatment-of-osteosarcoma-of-the-proximal-tibia-a-retrospective-study
#9
Junqi Huang, Wenzhi Bi, Gang Han, Jinpeng Jia, Meng Xu, Wei Wang
BACKGROUND: Survival and reconstruction constitute important challenges in multimodal treatment of osteosarcoma of the proximal tibia. The purpose of this study was to assess the efficacy and prognosis of neoadjuvant chemotherapy and custom-designed endoprosthetic arthroplasty. METHODS: A total of 69 patients with osteosarcoma of the proximal tibia were evaluated, including 43 males and 26 females, treated with multidisciplinary limb-salvage remedy from October 2003 to December 2013...
September 5, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/30167827/from-genomics-to-metabolomics-emerging-metastatic-biomarkers-in-osteosarcoma
#10
REVIEW
Dylan C Dean, Shen Shen, Francis J Hornicek, Zhenfeng Duan
Although the investigation into biomarkers specific for pulmonary metastasis within osteosarcoma (OS) has recently expanded, their usage within the clinic remains sparse. The current screening protocol after any OS diagnosis includes a chest CT scan; however, metastatic lung nodules frequently go undetected and remain the primary cause of death in OS. Recently, screening technologies such as liquid biopsy and next-generation sequencing have revealed a promising array of biomarkers with predictive and diagnostic value for the pulmonary metastasis associated with OS...
August 31, 2018: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/30135299/il-6-and-cxcl8-mediate-osteosarcoma-lung-interactions-critical-to-metastasis
#11
Amy C Gross, Hakan Cam, Doris A Phelps, Amanda J Saraf, Hemant K Bid, Maren Cam, Cheryl A London, Sarah A Winget, Michael A Arnold, Laura Brandolini, Xiaokui Mo, John M Hinckley, Peter J Houghton, Ryan D Roberts
Osteosarcoma (OS), a malignant tumor of bone, kills through aggressive metastatic spread almost exclusively to the lung. Mechanisms driving this tropism for lung tissue remain unknown, though likely invoke specific interactions between tumor cells and other cells within the lung metastatic niche. Aberrant overexpression of ΔNp63 in OS cells directly drives production of IL-6 and CXCL8. All these factors were expressed at higher levels in OS lung metastases than in matched primary tumors from the same patients...
August 23, 2018: JCI Insight
https://www.readbyqxmd.com/read/30121939/clinicopathological-and-immunohistochemical-analysis-of-autoimmune-regulator-expression-in-patients-with-osteosarcoma
#12
Kotaro Matsuda, Hiroaki Miyoshi, Mayuko Moritsubo, Koji Hiraoka, Tetsuya Hamada, Naoto Shiba, Koichi Ohshima
Autoimmune regulator (AIRE) is a transcription factor that is expressed in medullary thymic epithelial cells. It plays an essential role in central tolerance by eliminating self-reactive T cells. Recently, extrathymic AIRE-expressing cells have been revealed, which are associated with peripheral tolerance. Moreover, AIRE expression has been demonstrated in skin tumors and breast cancer. However, the expression of AIRE in osteosarcoma is unknown. We used immunohistochemistry to investigate AIRE expression in biopsy samples from 43 patients with conventional osteosarcoma and statistically analyzed the association between AIRE expression and clinicopathological characteristics...
August 18, 2018: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/30112173/extraskeletal-osteosarcoma-arising-in-the-subcutaneous-tissue-of-the-lower-leg-a-case-report-and-literature-review
#13
Takashi Tamura, Kayo Suzuki, Taketoshi Yasuda, Shigeharu Nogami, Kenta Watanabe, Masahiko Kanamori, Tomoatsu Kimura
Extraskeletal osteosarcoma (ESOS) is a rare soft tissue sarcoma accounting for 1-2% of all soft tissue sarcomas. ESOS originating in the superficial (cutaneous-subcutaneous) tissue is extremely rare, and only 17 cases with subcutaneous ESOS have been reported in detail to date. The aim of the present study was to report an additional case of subcutaneous ESOS of the lower leg and review previous reports of subcutaneous ESOS, focusing on the clinical characteristics, including the MIB-1 labeling index, treatment methods and outcomes...
September 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/30094957/long-noncoding-rna-malat1-regulates-hdac4-mediated-proliferation-and-apoptosis-via-decoying-of-mir-140-5p-in-osteosarcoma-cells
#14
Yuxiu Sun, Baoli Qin
Noncoding RNAs regulate the initiation and progression of osteosarcoma (OS). The role of long noncoding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) playing in OS and whether the function it working out was achieved through HDAC4 pathway remain uncovered. In this study, we illustrated that MALAT1 was upregulated and was correlated with poor prognosis in OS patients. Meanwhile, we demonstrated that a depression of MALAT1 suppressed proliferation and promoted apoptosis in OS cell line HOS and 143B...
September 2018: Cancer Medicine
https://www.readbyqxmd.com/read/30090025/central-nervous-system-metastasis-from-osteosarcoma-case-report-and-literature-review
#15
María Tereza Nieto-Coronel, Allan David López-Vásquez, Diana Marroquín-Flores, Sandy Ruiz-Cruz, Jorge Luis Martínez-Tláhuel, Jaime De la Garza-Salazar
Osteosarcoma is the most common primary malignancy of bone in children and young adults, the highest incidence peak is during adolescence and doesn't have any gender predominance. The main site of metastasis are the lungs and extrapulmonary cases are occasional. The incidence of metastasis in the Central Nervous System (CNS) is 2-6.5%, increase to 10-15% in patients with pulmonary metastases. Therefore, metastatic disease of the CNS is rare and the information on such patients is limited. Here, we describe a case of a 20-year old patient diagnosed with osteosarcoma in the left distal femur stage IIB, he developed pulmonary disease, during palliative chemotherapy experienced relapse to the brain classified as recursive partitioning analysis (RPA) class II, and was treated with external radiotherapy (30 Gy in 10 fractions) and later he had a poor evolution and died...
July 2018: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/30080819/the-prognostic-value-of-expression-of-the-long-noncoding-rna-lncrna-small-nucleolar-rna-host-gene-1-snhg1-in-patients-with-solid-malignant-tumors-a-systematic-review-and-meta-analysis
#16
Bufan Xiao, Zhaohao Huang, Ruihao Zhou, Jingtao Zhang, Bentong Yu
BACKGROUND The long non-coding RNA (lncRNA) small nucleolar RNA host gene 1 (SNHG1) is expressed in solid malignant tumors. The aim of this systematic review and meta-analysis was to determine whether expression of the lncRNA SNHG1 was associated with prognosis in patients with malignancy. MATERIAL AND METHODS A literature review from Jan 1970 to July 2018 identified publications in the English language. Databases searched included: PubMed, OVID, Web of Science, the Cochrane Database, Embase, EBSCO, Google Scholar...
August 6, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/30076726/malat1-induces-osteosarcoma-progression-by-targeting-mir-206-cdk9-axis
#17
Dong Ren, Hao Zheng, Sang Fei, Jia-Li Zhao
Long noncoding RNAs (LncRNAs) have been reported to participate in cancer development, including osteosarcoma. Here, in our study, we observed that lncRNA metastasis-associated lung adenocarcinoma transcription 1 (MALAT1) was remarkably overexpressed in osteosarcoma. However, the role it plays in osteosarcoma proliferation mediated by miR-206/cyclin-dependent kinase 9 (CDK9) axis remains uninvestigated. It was found that miR-206 was decreased and CDK9 was elevated in human osteosarcoma cells including MG63, Saos-2, U2OS, and KHOS compared with human osteoblast cell line hFOB 1...
August 4, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30067981/adaptive-fibrogenic-reprogramming-of-osteosarcoma-stem-cells-promotes-metastatic-growth
#18
Wu Zhang, Jun-Mei Zhao, Jian Lin, Chuan-Zhen Hu, Wei-Bin Zhang, Wen-Lan Yang, Ji Zhang, Ji-Wang Zhang, Jiang Zhu
It is well established that fibrotic remodeling of the tumor microenvironment favors tumorigenesis, but whether fibrosis underlies malignant progression in other ways is unclear. Here, we report that adaptive myofibroblastic reprogramming of osteosarcoma stem cells (OSCs) results in a critical advantage when establishing lung macro-metastases and spheroid growth but does not affect the growth of primary lesions or monolayer cultures. FGFR2 signaling in OSCs initiates fibrosis, whereas the resultant fibronectin (FN) auto-deposition sustains fibrogenic reprogramming and OSC growth, resembling the process employed by non-malignant myofibroblasts to cause tissue fibrosis...
July 31, 2018: Cell Reports
https://www.readbyqxmd.com/read/30053712/a-preliminary-proteomic-investigation-of-circulating-exosomes-and-discovery-of-biomarkers-associated-with-the-progression-of-osteosarcoma-in-a-clinical-model-of-spontaneous-disease
#19
Jacqueline V Brady, Ryan M Troyer, Stephen A Ramsey, Haley Leeper, Liping Yang, Claudia S Maier, Cheri P Goodall, Carl E Ruby, Hassan A M Albarqi, Oleh Taratula, Shay Bracha
Circulating cancer exosomes are microvesicles which originate from malignant cells and other organs influenced by the disease and can be found in blood. The exosomal proteomic cargo can often be traced to the cells from which they originated, reflecting the physiological status of these cells. The similarities between cancer exosomes and the tumor cells they originate from exhibit the potential of these vesicles as an invaluable target for liquid biopsies. Exosomes were isolated from the serum of eight osteosarcoma-bearing dogs, five healthy dogs, and five dogs with traumatic fractures...
October 2018: Translational Oncology
https://www.readbyqxmd.com/read/30041188/onzin-upregulation-by-mutant-p53-contributes-to-osteosarcoma-metastasis-through-the-cxcl5-mapk-signaling-pathway
#20
Yanqin Zhang, Qianghua Hu, Guixin Li, Lili Li, Shoulei Liang, Yun Zhang, Jiayong Liu, Zhengfu Fan, Lin Li, Bingzheng Zhou, Yongxin Ruan, Xueli Yang, She'an Chen, Tianyang Mu, Guowen Wang, Shunbin Xiong
BACKGROUND/AIMS: Gain-of-function of mutant p53 is associated with a high rate of lung metastasis in osteosarcoma. To investigate the mechanism of mutant p53-induced osteosarcoma metastasis, expression array analysis was performed, comparing non-metastatic osteosarcomas from p53+/- mice with metastatic osteosarcomas from p53R172H/+ mice. Onzin (Plac8) was identified as one of the genes upregulated in p53R172H/+ mouse metastatic osteosarcomas. Accordingly, we investigated the role of ONZIN in human osteosarcoma metastasis...
2018: Cellular Physiology and Biochemistry
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