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Pediatric osteosarcoma

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https://www.readbyqxmd.com/read/28326824/osteopontin-its-potential-role-in-cancer-of-children-and-young-adults
#1
Gabrielle Karpinsky, Aleksandra Fatyga, Malgorzata Anna Krawczyk, Madeleine Chamera, Natalia Sande, Dagmara Szmyd, Ewa Izycka-Swieszewska, Ewa Bien
OBJECTIVE: Osteopontin (OPN) is aglyco-phosphoprotein, involved in tissue remodeling, inflammation and boneresorption. In various adult neoplasms OPN was shown to correlate with cancer progression, invasiveness and metastasis. AIM: to define the role of OPN in malignancies of children and young adults. MATERIAL AND METHODS: a structured PubMed and Google Scholar literature analysis based on reports published in English between I'1995 and XII'2015...
March 14, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28301225/optimal-diagnostic-yield-achieved-with-on-site-pathology-evaluation-of-fine-needle-aspiration-assisted-core-biopsies-for-pediatric-osseous-lesions-a-single-center-experience
#2
Kalyani Patel, Darryl Kinnear, Norma M Quintanilla, John Hicks, Eumenia Castro, Choladda Curry, John Dormans, Daniel J Ashton, J Alberto Hernandez, Hao Wu
CONTEXT: - Image-guided, fine-needle aspiration-assisted core needle biopsy with an on-site evaluation by a pathologist (FNACBP) of osseous lesions is not a common practice in pediatric institutions. OBJECTIVES: - To evaluate the diagnostic adequacy and accuracy of FNACBP for pediatric osseous lesions and to compare the adequacy with procedures that do not use fine-needle aspiration. DESIGN: - Six-year, retrospective review of 144 consecutive children biopsied for osseous lesions with and without fine-needle aspiration assistance...
March 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28275089/the-microtubule-network-and-cell-death-are-regulated-by-a-mir-34a-stathmin-1-betaiii-tubulin-axis
#3
Nancy S Vetter, E Anders Kolb, Valerie B Sampson, Christopher Mills
MicroRNA-34a (miR-34a) is a master regulator of signaling networks that maintain normal physiology and disease and is currently in development as a miRNA-based therapy for cancer. Prior studies have reported low miR-34a expression in osteosarcoma (OS); however, the molecular mechanisms underlying miR-34a activity in OS are not well defined. Therefore, this study evaluated the role of miR-34a in regulating signal transduction pathways that influence cell death in OS. Levels of miR-34a were attenuated in human OS cells and xenografts of the Pediatric Preclinical Testing Consortium (PPTC)...
March 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28272712/the-expression-and-function-of-mirna-106-in-pediatric-osteosarcoma
#4
M Xu, Y-Y Zhang, H-F Wang, G-S Yang
OBJECTIVE: This study is to investigate the expression and biological function of miRNA-106b in osteosarcoma. PATIENTS AND METHODS: Freshly resected osteosarcoma tissues and the corresponding para-carcinoma tissues were collected from 54 patients. Then miR-106b level in the carcinoma tissues was detected by real-time PCR. To test the function of miR-106b, osteosarcoma cell line U2-OS was transfected with miR-106b inhibitor in vitro. Then, the proliferation, cell cycle, invasion and metastasis of U2-OS cells were detected by CCK-8 assay, flow cytometry, and transwell respectively...
February 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28270069/pathological-and-therapeutic-aspects-of-long-noncoding-rnas-in-osteosarcoma
#5
Kaixiu Wang, Wei Jiang, Chao Cheng, Yusheng Li, Min Tu
BACKGROUND: Osteosarcoma (OS) is a common bone malignant tumor, which is the eighth leading form of pediatric cancer. Despite the modern chemotherapeutic development of OS, a number of patients with OS have a high risk of lung metastasis and local relapse after chemotherapy. OBJECTIVE: This review study focused on the role of long non coding RNAs (lncRNAs) in OS progression, and presented update reports on OS treatment by targeting specific lncRNAs. METHOD: We have acquired information on OS and lncRNAs from scientific databases like google scholar, pubmed and scopus, and reviewed for this study...
February 13, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28267087/osteosarcoma-metastases-with-direct-cardiac-invasion-a-case-report-and-review-of-the-pediatric-literature
#6
Robert Hartemayer, Christopher Kuo, Paul Kent
Metastatic osteosarcoma with direct cardiac involvement is an exceptionally rare finding, with only 63 total reported cases in the English literature over the past 123 years. Although the precise incidence is unknown, we estimate that direct cardiac involvement currently occurs in <2% of metastatic osteosarcoma cases. We also find that before the adoption of adjuvant chemotherapy as a standard of care therapy for osteosarcoma, metastatic osteosarcoma to the heart was much more common than it is today, as cardiac involvement occurred in ∼20% of cases of metastatic osteosarcoma before the 1980s...
April 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28267080/atic-gene-polymorphism-and-histologic-response-to-chemotherapy-in-pediatric-osteosarcoma
#7
Jeong A Park, Hee Young Shin
Accumulating evidence indicates that polymorphisms in folate pathway genes play a role in response to methotrexate (MTX) treatment in various diseases. This study explored the influence of these genetic polymorphisms on treatment outcome in pediatric osteosarcoma. Blood and tissue samples from 48 osteosarcoma patients were obtained, and the following polymorphisms were analyzed; SLC19A1 80G>A, DHFR 829C>T, MTHFR 677C>T, MTHFR 1298A>C, and ATIC 347C>G. We evaluated associations between these candidate gene polymorphisms and treatment outcome, including histologic response and event-free and overall survival, of patients treated with high-dose MTX...
March 6, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28186860/traumatic-rib-injury-patterns-imaging-pitfalls-complications-and-treatment
#8
Brett S Talbot, Christopher P Gange, Apeksha Chaturvedi, Nina Klionsky, Susan K Hobbs, Abhishek Chaturvedi
The ribs are frequently affected by blunt or penetrating injury to the thorax. In the emergency department setting, it is vital for the interpreting radiologist to not only identify the presence of rib injuries but also alert the clinician about organ-specific injury, specific traumatic patterns, and acute rib trauma complications that require emergent attention. Rib injuries can be separated into specific morphologic fracture patterns that include stress, buckle, nondisplaced, displaced, segmental, and pathologic fractures...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28163987/mirror-therapy-for-phantom-limb-pain-at-a-pediatric-oncology-institution
#9
Doralina L Anghelescu, Cassandra N Kelly, Brenda D Steen, Jianrong Wu, Huiyun Wu, Brian M DeFeo, Kristin Scobey, Laura Burgoyne
BACKGROUND AND PURPOSE/OBJECTIVE: Mirror therapy has not been reported for phantom limb pain (PLP) in pediatric oncology. Our aims are to describe the incidence and duration of PLP post-amputation, the duration of follow-up, pain scores and pain medications, and the differences between a group that received mirror therapy (MT) in addition to the standard treatment and a group that received only the standard treatment (non-MT). METHODS: A retrospective review of patients' medical records from June 2009 to March 2015 was completed...
July 2016: Rehabilitation Oncology
https://www.readbyqxmd.com/read/27935335/pediatric-chondromyxoid-fibroma-like-osteosarcoma
#10
Matthew Stark, Stephen D Heinrich, Raju Sivashanmugam, Dane Mackey, Ewa Wasilewska, Randall Craver
Chondromyxoid fibroma-like osteosarcoma (CMF-OS) is a low-grade osteosarcoma, often misdiagnosed on initial biopsy as a benign lesion, with five cases previously described. We report a 13-year-old male with an intramedullary lytic CMF-OS of the right tibial proximal metaphysis with cortical destruction and soft tissue extension. Diagnosis was based on malignant new bone formation, increased mitotic figures, lamellar bone permeation with bony destruction, and correlation with imaging studies. There were no metastasis at presentation and the tumor showed good response to standard chemotherapy with >95% necrosis...
December 9, 2016: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/27930982/targeted-osteosarcoma-chemotherapy-using-rgd-peptide-installed-doxorubicin-loaded-biodegradable-polymeric-micelle
#11
Zhenhua Fang, Yanpeng Sun, Hong Xiao, Peng Li, Ming Liu, Fan Ding, Wusheng Kan, Runsheng Miao
Osteosarcoma is the most common primary malignant bone tumor in the pediatric age group, and chemotherapy directed by targeted nanoparticulate drug delivery system represents a promising approach for osteosarcoma treatment recently. Here, we designed and developed a novel DOX-loaded targeted polymeric micelle self-assembled from RGD-terminated poly(ethylene glycol)-block-poly (trimethylene carbonate) (RGD-PEG-PTMC) amphiphilic biodegradable block copolymer, for high-efficiency targeted chemotherapy of osteosarcoma...
January 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27914587/outcomes-of-chest-wall-resections-in-pediatric-sarcoma-patients
#12
Carmen Lopez, Arlene Correa, Ara Vaporciyan, Mary Austin, David Rice, Andrea Hayes-Jordan
PURPOSE: Chest wall tumors in pediatric patients are rare. This study evaluates outcomes in pediatric patients who have undergone chest wall resections secondary to sarcomas. METHODS: A retrospective review was performed for patients <19years old who underwent chest wall resections for sarcoma 1999-2014 at the University of Texas MD Anderson Cancer Center. RESULTS: Of 44 patients, Ewing's sarcoma (n=18) and osteosarcoma (n=16) were most common...
January 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27897381/pathologic-fracture-in-childhood-and-adolescent-osteosarcoma-a-single-institution-experience
#13
Lindsay Haynes, Sue C Kaste, Kirsten K Ness, Jianrong Wu, Lucia Ortega-Laureano, Michael Bishop, Michael Neel, Bhaskar Rao, Israel Fernandez-Pineda
PURPOSE: Pathologic fractures occur in 5-10% of pediatric osteosarcoma (OS) cases and have historically been considered a contraindication to limb salvage. Our purpose was to describe the radiographic features of pathologic fracture and examine its impact on local recurrence rates, functional outcomes, and overall survival. METHODS: We retrospectively analyzed patients at our institution from 1990 to 2015 with pathologic fracture at diagnosis or during neoadjuvant chemotherapy...
April 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27879546/early-lymphocyte-recovery-and-outcome-in-osteosarcoma
#14
Lynn Lee, Lin Fei, Jennifer Pope, Lars M Wagner
BACKGROUND: Early lymphocyte recovery following chemotherapy has been associated with improved outcome in many cancers, including in one small study of osteosarcoma patients. MATERIALS AND METHODS: To confirm this finding, we retrospectively reviewed data from 53 patients with newly diagnosed osteosarcoma who had blood counts on day 14 (±1 d) following the first cycle of cisplatin and doxorubicin. RESULTS: The median absolute lymphocyte count (ALC) 14 days after starting the first cycle of chemotherapy (ALC-14) was 1990 cells/μL (range: 600 to 6470)...
April 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27863409/integrating-mechanisms-of-response-and-resistance-against-the-tubulin-binding-agent-eribulin-in-preclinical-models-of-osteosarcoma
#15
Valerie B Sampson, Nancy S Vetter, Wendong Zhang, Pratima U Patil, Robert W Mason, Erika George, Richard Gorlick, Edward A Kolb
Osteosarcoma is the most frequently occurring bone cancer in children and adolescents. Unfortunately, treatment failures are common. Eribulin is a synthetic microtubule inhibitor that has demonstrated activity in preclinical osteosarcoma models. The effects of eribulin were evaluated in two human osteosarcoma cell lines as well as in eribulin-sensitive and -resistant osteosarcoma xenograft tumors of the Pediatric Preclinical Testing Program (PPTP) by characterizing cell viability, microtubule destabilization, mitotic arrest and mechanism of cell death...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/27860482/long-noncoding-rna-ewsat1-promotes-osteosarcoma-cell-growth-and-metastasis-through-suppression-of-meg3-expression
#16
Lishan Sun, Cheng Yang, Juan Xu, Yanhong Feng, Liguo Wang, Tao Cui
Osteosarcoma (OS) is the most common primary bone tumor in children and adolescents. Long noncoding RNAs (lncRNAs) are a class of transcriptional products of the genome without protein-coding potential. Recently, lncRNA Ewing sarcoma-associated transcript 1 (EWSAT1) was functionally identified in Ewing sarcoma, a highly aggressive primary pediatric bone tumor. However, whether EWSAT1 plays a role in OS remains unclear. In the present study, gain- and loss-of-function assays demonstrated that EWSAT1 enhanced OS cell proliferation, migration, and invasion...
December 2016: DNA and Cell Biology
https://www.readbyqxmd.com/read/27860191/perinatal-factors-associated-with-clinical-presentation-of-osteosarcoma-in-children-and-adolescents
#17
Alyson A Endicott, Libby M Morimoto, Cassie N Kline, Joseph L Wiemels, Catherine Metayer, Kyle M Walsh
BACKGROUND: Osteosarcoma typically develops during puberty with tumors arising at sites of rapid bone growth, suggesting a role for growth-regulating pathways in tumor etiology. Birthweight is one measure of perinatal growth that has been investigated as an osteosarcoma risk factor. Whether birthweight affects clinical features of osteosarcoma remains unexplored. METHOD: Six hundred seventy patients with osteosarcoma, aged 0-19 years, were identified through the California Cancer Registry...
November 10, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27778155/current-management-of-aneurysmal-bone-cysts
#18
REVIEW
Howard Y Park, Sara K Yang, William L Sheppard, Vishal Hegde, Stephen D Zoller, Scott D Nelson, Noah Federman, Nicholas M Bernthal
Aneurysmal bone cysts (ABCs) are benign bone lesions arising predominantly in the pediatric population that can cause local pain, swelling, and pathologic fracture. Primary lesions, which constitute roughly two thirds of all ABCs, are thought to be neoplastic in nature, with one third of ABCs arising secondary to other tumors. Diagnosis is made with various imaging modalities, which exhibit characteristic features such as "fluid-fluid levels," although biopsy is critical, as telangiectatic osteosarcoma cannot be excluded based on imaging alone...
December 2016: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/27669661/medical-interventions-for-the-prevention-of-platinum-induced-hearing-loss-in-children-with-cancer
#19
Jorrit W van As, Henk van den Berg, Elvira C van Dalen
BACKGROUND: Platinum-based therapy, including cisplatin, carboplatin, oxaliplatin or a combination of these, is used to treat a variety of paediatric malignancies. One of the most important adverse effects is the occurrence of hearing loss or ototoxicity. In an effort to prevent this ototoxicity, different otoprotective medical interventions have been studied. This review is the second update of a previously published Cochrane review. OBJECTIVES: To assess the efficacy of medical interventions to prevent hearing loss and to determine possible effects of these interventions on anti-tumour efficacy, toxicities other than hearing loss and quality of life in children with cancer treated with platinum-based therapy...
September 27, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27651036/novel-insights-and-therapeutic-interventions-for-pediatric-osteosarcoma
#20
REVIEW
Leo Kager, Gevorg Tamamyan, Stefan Bielack
High-grade osteosarcomas are the most common primary malignant tumors of bone. With complete surgical resection and multi-agent chemotherapy up to 70% of patients with high-grade osteosarcomas and localized extremity tumors can become long-term survivors. The prognosis, however, is poor for patients with nonresectable, primary metastatic or relapsed disease. Outcome is essentially unchanged for three decades. Herein, we describe selected novel insights into the genomics, biology and immunology of the disease and discuss selected strategies, which hold promise to overcome the current stagnation in the therapeutic success in childhood osteosarcoma...
February 2017: Future Oncology
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