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Fibrosarcoma

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https://www.readbyqxmd.com/read/28440757/sellar-collision-tumor-involving-a-primary-fibrosarcoma-clinical-morphological-and-immunohistochemical-study-of-a-case-and-review-of-the-literature
#1
Carlos Arana Molina, Natividad González Rivera, Gerardo Gómez-Moreno, Francisco Farfan Lopez, Tomás Martín Hernández
No abstract text is available yet for this article.
March 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440408/identification-of-potential-gene-targets-in-systemic-vasculitis-using-dna-microarray-analysis
#2
Yiwen Feng, Miao Zheng, Shujie Gan, Lei Zhang, Zhong Wan, Yanping Zhang, Qin Qian, Jingdong Tang
The present study aimed to identify the involvement of critical genes in systemic vasculitis, to gain an improved understanding of the molecular circuity and to investigate novel potential gene targets for systemic vasculitis treatment. The dual‑color cDNA microarray data of GSE16945, consisting of peripheral mononuclear blood cell specimens from 13 patients with systemic vasculitis and 16 healthy controls, was downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were screened in systemic vasculitis compared with controls using BRB ArrayTools, followed by the construction of a protein‑protein interaction (PPI) network using the clusterProfiler package, and significant functional interaction (FI) module selection...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28436622/congenital-intestinal-fibrosarcoma-with-rapid-recurrence-requiring-adjuvant-chemotherapy
#3
Wing Shan Queenie See, Daniel Ka Leung Cheuk, Ka Fai To, Philip Pun Ching Ip, Alan Kwok Shing Chiang, Shau Yin Ha, Godfrey Chi Fung Chan
A total of 16 cases of congenital fibrosarcoma have been reported from 1975 to March 2015. Five of the 16 had abnormal fusion between erythroblast transformation specific translocation variant 6 and neurotrophin recptor gene neurotrophic tyrosine kinase, receptor, type 3 (ETV6-NTRK3); in another five out of 16 this was absent, and six were not tested. All were managed by surgical resection but none involved metastasis. Herein we report the case of a newborn baby girl with congenital fibrosarcoma negative for ETV6-NTRK3 gene fusion, who presented with ileal perforation and positive resection margin...
April 24, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28436129/use-of-an-electronic-brachytherapy-surface-applicator-to-treat-an-epiglottal-fibrosarcoma-in-a-dog
#4
Charles A Maitz, Katherine L Robinson
Presented is the case of an epiglottal fibrosarcoma in a dog. The location of the mass resulted in challenges in the delivery of adequate dose to the tumor, and herein we describe the treatment using an electronic brachytherapy source. The treatment consisted of four Gy fractions, twice daily for a total of 10 fractions (40 Gy total). Visual reevaluation two weeks after treatment supported adequate spatial dose delivery, and the patient was reportedly improved six weeks after treatment. We demonstrate that plesiotherapy using an electronic brachytherapy device is feasible and may be useful in the treatment of carefully selected veterinary tumors...
April 23, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28432002/mir-429-inhibits-metastasis-by-targeting-kiaa0101-in-soft-tissue-sarcoma
#5
Devyani Samantarrai, Bibekanand Mallick
Soft tissue sarcomas (STS) are a heterogeneous group of rare tumors with high metastatic potential. There being only a handful of publication on metastasis of STS, we investigated the miRNA mediated target gene regulations in modulating the metastatic processes in this cancer. In this study, we amalgamated gene and miRNA expression profiles of high-grade STS samples with miRNA target predictions and identified miR-429 targeting KIAA0101 as a novel pair, which remain unexplored in STS metastasis. We validated their expression in metastatic fibrosarcoma cell line, HT1080 and performed several functional assays using miRNA mimics and KIAA0101 over-expression vector to confirm their role in metastasis...
April 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28430379/-17-o-mrs-assesses-the-effect-of-mild-hypothermia-on-oxygen-consumption-rate-in-tumors
#6
Marie-Aline Neveu, Nicolas Joudiou, Géraldine De Preter, Jean-Paul Dehoux, Bénédicte F Jordan, Bernard Gallez
Although oxygen consumption is a key factor in metabolic phenotyping, its assessment in tumors remains critical, as current technologies generally display poor specificity. The objectives of this study were to explore the feasibility of direct (17) O nuclear magnetic resonance (NMR) spectroscopy to assess oxygen metabolism in tumors and its modulations. To investigate the impact of hypometabolism induction in the murine fibrosarcoma FSAII tumor model, we monitored the oxygen consumption of normothermic (37°C) and hypothermic (32°C) tumor-bearing mice...
April 21, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28428881/nano-pulse-stimulation-is-a-physical-modality-that-can-trigger-immunogenic-tumor-cell-death
#7
Richard Nuccitelli, Amanda McDaniel, Snjezana Anand, John Cha, Zachary Mallon, Jon Casey Berridge, Darrin Uecker
BACKGROUND: We have been developing a non-thermal, drug-free tumor therapy called Nano-Pulse Stimulation (NPS) that delivers ultrashort electric pulses to tumor cells which eliminates the tumor and inhibits secondary tumor growth. We hypothesized that the mechanism for inhibiting secondary tumor growth involves stimulating an adaptive immune response via an immunogenic form of apoptosis, commonly known as immunogenic cell death (ICD). ICD is characterized by the emission of danger-associated molecular patterns (DAMPs) that serve to recruit immune cells to the site of the tumor...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28426762/human-microrna-299-3p-decreases-invasive-behavior-of-cancer-cells-by-downregulation-of-oct4-expression-and-causes-apoptosis
#8
Axel R Göhring, Stefanie Reuter, Joachim H Clement, Xinlai Cheng, Jannick Theobald, Stefan Wölfl, Ralf Mrowka
PURPOSE: Oct4 was reported to be one of the most important pluripotency transcription factors in the biology of stem cells including cancer stem cells, and progressed malignant cells. Here we report the investigation of gene expression control of Oct4 by selected human microRNAs and the physiological effect of Oct4 silencing in invasive cancer cells. METHODS AND RESULTS: High throughput luciferase activity assay revealed the microRNA-299-3p to be the most effective in reducing gene expression of Oct4, which was confirmed by Western blot analysis and Oct4 promoter activity in a target luciferase assay...
2017: PloS One
https://www.readbyqxmd.com/read/28406576/antitumor-activity-and-pharmacologic-characterization-of-the-depsipeptide-analog-as-a-novel-hdac-pi3k-dual-inhibitor
#9
Ken Saijo, Hiroo Imai, Sonoko Chikamatsu, Koichi Narita, Tadashi Katoh, Chikashi Ishioka
Histone deacetylase (HDAC)/phosphatidylinositol 3-kinase (PI3K) dual inhibition is a promising strategy for the treatment of intractable cancers because of the advantages of overcoming potential resistance and exhibiting synergistic effects. Therefore, development of an HDAC/PI3K dual inhibitor is reasonably attractive. Romidepsin (FK228, depsipeptide) is a potent HDAC inhibitor. We have previously reported that depsipeptide and its analogs have an additional activity as PI3K inhibitors and are defined as HDAC/PI3K dual inhibitors...
April 12, 2017: Cancer Science
https://www.readbyqxmd.com/read/28400538/the-transcription-factor-mafk-induces-emt-and-malignant-progression-of-triple-negative-breast-cancer-cells-through-its-target-gpnmb
#10
Yukari Okita, Minori Kimura, Rudy Xie, Chen Chen, Larina Tzu-Wei Shen, Yurika Kojima, Hiroyuki Suzuki, Masafumi Muratani, Masao Saitoh, Kentaro Semba, Carl-Henrik Heldin, Mitsuyasu Kato
Triple-negative breast cancer (TNBC) is particularly aggressive and difficult to treat. For example, the transforming growth factor-β (TGF-β) pathway is implicated in TNBC progression and metastasis, but its opposing role in tumor suppression in healthy tissues and early-stage lesions makes it a challenging target. Therefore, additional molecular characterization of TNBC may lead to improved patient prognosis by informing the development and optimum use of targeted therapies. We found that musculoaponeurotic fibrosarcoma (MAF) oncogene family protein K (MAFK), a member of the small MAF family of transcription factors that are induced by the TGF-β pathway, was abundant in human TNBC and aggressive mouse mammary tumor cell lines...
April 11, 2017: Science Signaling
https://www.readbyqxmd.com/read/28395220/novel-2-4-thiazolidinediones-synthesis-in%C3%A2-vitro-cytotoxic-activity-and-mechanistic-investigation
#11
Kamel Metwally, Harris Pratsinis, Dimitris Kletsas
Two thiazolidinedione scaffolds different in the position of the thiazolidinedione ring in the molecule were tested for in vitro cytotoxic activity in a panel of human cancer cell lines namely, prostate cancer cells PC-3, breast carcinoma cells MDA-MB-231, and fibrosarcoma cells HT-1080. Some of the target compounds of the A-series where the thiazolidinedione ring is terminal, displayed cytotoxic activity in the low micromolar range in the cell lines tested. Target thiazolidinediones of the B-series where the thiazolidinedione ring is located in the middle of the molecule showed cytotoxic activity comparable to that of their A-series counterparts...
March 25, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28384879/primary-sarcomas-of-thyroid-gland-series-of-three-cases-with-brief-review-of-spindle-cell-lesions-of-thyroid
#12
Amita Jain Gupta, Meeta Singh, Poonam Rani, Nita Khurana, Anurag Mishra
Primary Malignant Fibrous Histiocytoma (MFH-T) and Leiomyosarcoma (LMS-T) of the thyroid gland are extremely rare tumors. Very few cases have been reported in the literature. Both entities occur more commonly in women than men. The closest clinical and histological differential diagnosis is anaplastic carcinoma of thyroid. We present three cases of rare primary sarcomas of thyroid gland. Case-1 was a 63-year-old woman and Case-2 was a 52-year-old woman. Both of them presented with a rapidly increasing thyroid mass clinically mimicking anaplastic carcinoma (AC-T)...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28378427/comparative-assessment-of-the-accuracy-of-cytological-and-histologic-biopsies-in-the-diagnosis-of-canine-bone-lesions
#13
S Sabattini, A Renzi, P Buracco, S Defourny, M Garnier-Moiroux, O Capitani, G Bettini
BACKGROUND: Osteosarcoma (OSA) should be differentiated from other less frequent primary bone neoplasms, metastatic disease, and tumor-like lesions, as treatment and prognosis can vary accordingly. Hence, a preoperative histologic diagnosis is generally preferred. This requires collection of multiple biopsies under general anesthesia, with possible complications, including pathological fractures. Fine-needle aspiration cytology would allow an earlier diagnosis with a significant reduction of discomfort and morbidity...
April 4, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28377452/differential-expression-of-vegfa-isoforms-regulates-metastasis-and-response-to-anti-vegfa-therapy-in-sarcoma
#14
William R English, Sarah Jane Lunt, Matthew Fisher, Diane V Lefley, Mohit Dhingra, Yu-Chin Lee, Karina Bingham, Jack E Hurrell, Scott K Lyons, Chryso Kanthou, Gillian M Tozer
Elevated plasma concentrations of soluble VEGFA isoforms are associated with poor prognosis in parallel with improved response to treatment with the anti-VEGFA antibody bevacizumab. To uncover the underlying mechanism to these observations, we administered anti-VEGFA therapy to mice bearing luminescent mouse fibrosarcomas expressing single VEGFA isoforms or their wild type counterparts expressing all isoforms (fs120, fs164, fs188 or fsWT). Expression of the more soluble isoforms conferred an advantage for lung metastasis from subcutaneous tumors (fs120/164 versus fs188/WT); fs120 cells also produced more lung colonies than fs188 cells when injected intravenously...
April 4, 2017: Cancer Research
https://www.readbyqxmd.com/read/28376591/-pathologic-changes-of-spontaneous-tumors-in-sprague-dawley-and-wistar-rats
#15
Y N He, S C Zhang, H M Zhang
Objective: To investigate the spontaneous neoplastic lesions and their incidences in Sprague-Dawley (SD) and Wistar rats, and to accumulate background data for carcinogenicity studies. Methods: One hundred and eighty SD rats and 240 Wistar rats (4-week old) , half in each sex, were used in this study. The rats were housed routinely under specific pathogen-free environment and euthanized after 104 weeks. Histopathological examination was undertaken for all animals including deaths and scheduled euthanasia. The types and incidences of spontaneous tumors were gathered statistically...
April 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28371408/two-cases-of-humoral-hypercalcemia-of-malignancy-complicating-infantile-fibrosarcoma
#16
Ryan Hirschfeld, Jennifer J G Welch, Douglas J Harrison, Robin Kremsdorf, Anjulika Chawla
We report two infants with infantile fibrosarcoma (IFS) complicated by severe hypercalcemia. Assessment demonstrated suppressed parathyroid hormone and 1,25-dihydroxyvitamin D levels with elevated circulating levels of parathyroid hormone related protein, indicating the diagnosis of humoral hypercalcemia of malignancy (HHM). HHM is a paraneoplastic syndrome rarely associated with pediatric malignancies. Hypercalcemia manifested clinically with neurologic symptoms and soft tissue calcium deposition and required aggressive management with intravenous fluids, diuretics, and supplemental electrolytes...
March 29, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28356692/ameloblastic-fibroma-or-fibrosarcoma-a-dilemma-of-oral-surgeon
#17
Nitin Verma, Neha
Ameloblastic fibroma (AF) is an uncommon true mixed odontogenic tumor, with a relative frequency between 1.5% and 4.5% of all odontogenic tumors. It may behave either as a true neoplasm or as a hamartomatous proliferation of odontogenic epithelium of the enamel organ and odontogenic mesenchyme of the primitive dental pulp. Frequently diagnosed between the first and second decades of life with 75% of cases was diagnosed before the age of 20 and present with a well-defined unilocular or multilocular radiolucencies...
July 2016: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28349166/comparative-plasma-and-tissue-distribution-of-sun-pharma-s-generic-doxorubicin-hcl-liposome-injection-versus-caelyx-%C3%A2-doxorubicin-hcl-liposome-injection-in-syngeneic-fibrosarcoma-bearing-balb-c-mice-and-sprague-dawley-rats
#18
Vinod Burade, Subhas Bhowmick, Kuntal Maiti, Rishit Zalawadia, Deepak Jain, Thennati Rajamannar
PURPOSE: The liposomal formulation of doxorubicin [doxorubicin (DXR) hydrochloride (HCl) liposome injection, Caelyx(®)] alters the tissue distribution of DXR as compared with nonliposomal DXR, resulting in an improved benefit-risk profile. We conducted studies in murine models to compare the plasma and tissue distribution of a proposed generic DXR HCl liposome injection developed by Sun Pharmaceuticals Industries Limited (SPIL DXR HCl liposome injection) with Caelyx(®). METHODS: The plasma and tissue distributions of the SPIL and reference DXR HCl liposome injections were compared in syngeneic fibrosarcoma-bearing BALB/c mice and Sprague-Dawley rats...
March 27, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28317309/infantile-fibrosarcoma-treated-with-postoperative-vincristine-and-dactinomycin
#19
Hiroki Yoshihara, Yuri Yoshimoto, Yosuke Hosoya, Daisuke Hasegawa, Takafumi Kawano, Akiko Sakoda, Hajime Okita, Atsushi Manabe
Infantile fibrosarcoma is a non-rhabdomyosarcoma soft-tissue sarcoma that occurs in infancy and which has a relatively good prognosis. A vincristine and dactinomycin (VA) regimen has been shown to be effective, although the duration of chemotherapy has not been well defined. We describe the case of a 4-month-old boy with a mass at the left dorsum of the foot who was diagnosed with infantile fibrosarcoma after resection of the tumor, the margin of which was macroscopically positive. VA treatment was carried out with careful monitoring of response and adverse effects...
March 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28286052/a-systems-biology-approach-to-overcome-trail-resistance-in-cancer-treatment
#20
REVIEW
Kumar Selvarajoo
Over the last decade, our research team has investigated the dynamic responses and global properties of living cells using systems biology approaches. More specifically, we have developed computational models and statistical techniques to interpret instructive cell signaling and high-throughput transcriptome-wide behaviors of immune, cancer, and embryonic development cells. Here, I will focus on our recent works in overcoming cancer resistance. TRAIL (tumor necrosis factor related apoptosis-inducing ligand), a proinflammatory cytokine, has shown promising success in controlling cancer threat due to its ability to induce apoptosis in cancers specifically, while having limited effect on normal cells...
March 9, 2017: Progress in Biophysics and Molecular Biology
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