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Sarcomas

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https://www.readbyqxmd.com/read/28445233/preclinical-models-for-translational-sarcoma-research
#1
Rainer Hamacher, Sebastian Bauer
PURPOSE OF REVIEW: Sarcoma is a basket term for mesenchymal tumors for which more than 75 genetically and histologically distinct subtypes are recognized. Therapeutic progress has largely been achieved with classical chemotherapeutic drugs that were tested in empirical clinical trials. However, outcome in metastatic patients remains poor and with few exceptions numerous trials have failed or only provided limited improvement in recent years. RECENT FINDINGS: Given the genomic heterogeneity, preclinical model systems will be indispensable to identify new molecular targets and to prioritize drugs and drug combinations...
April 25, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28445124/a-novel-triazolonaphthalimide-induces-apoptosis-and-inhibits-tumor-growth-by-targeting-dna-and-dna-associated-processes
#2
Liyan Ji, Simin Yang, Shasha Li, Shan Liu, Shunan Tang, Zhongqiu Liu, Xiangbao Meng, Siwang Yu
DNA and DNA-associated processes have been classes of the most important targets of chemotherapeutic drugs. As classic DNA intercalators and topoisomerase inhibitors, naphthalimides have been extensively investigated as potential anti-cancer drugs. We recently synthesized a novel series of triazolonaphthalimides with excellent anti-cancer activities. In the present study, one of the most potent triazolonaphthalimides, LSS-11, was investigated. LSS-11 bound to DNA in vitro and in cell mainly by minor groove binding and significantly increased the stability of DNA, which could be fundamental for the biological activities of LSS-11...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444540/impact-of-residual-disease-after-unplanned-excision-of-primary-localized-adult-soft-tissue-sarcoma-of-the-extremities-evaluation-of-452-cases-at-a-single-institution
#3
G Bianchi, A Sambri, S Cammelli, A Galuppi, A Cortesi, A Righi, E Caldari, S Ferrari, D Donati
BACKGROUND: Soft tissue sarcomas are often inappropriately excised; it is, however, still a matter of debate whether the presence of residual disease in the re-excision specimen can affect patients' prognosis. The aim of this study is to investigate the impact of re-excision after unplanned surgery of primary soft tissue sarcomas (STS) of the extremities. PATIENTS AND METHODS: We retrospectively evaluated 452 adults with grade 2-3, localized STS (349 primary and 103 unplanned excisions)...
April 25, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28444451/new-tumor-entities-in-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumors-nasal-cavity-paranasal-sinuses-and-skull-base
#4
REVIEW
Lester D R Thompson, Alessandro Franchi
The World Health Organization recently published the 4th edition of the Classification of Head and Neck Tumors, including several new entities, emerging entities, and significant updates to the classification and characterization of tumor and tumor-like lesions, specifically as it relates to nasal cavity, paranasal sinuses, and skull base in this overview. Of note, three new entities (NUT carcinoma, seromucinous hamartoma, biphenotypic sinonasal sarcoma,) were added to this section, while emerging entities (SMARCB1-deficient carcinoma and HPV-related carcinoma with adenoid cystic-like features) and several tumor-like entities (respiratory epithelial adenomatoid hamartoma, chondromesenchymal hamartoma) were included as provisional diagnoses or discussed in the setting of the differential diagnosis...
April 25, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28444430/successful-treatment-of-a%C3%A2-rare-case-of-ameloblastic-fibrosarcoma-with-radiation-therapy
#5
Michael Oertel, Gabriele Reinartz, Sergiu Scobioala, Hans Theodor Eich
Sarcomas are rare diseases of the head and neck region, representing around 1% of all malignancies. Amongst them, ameloblastic fibrosarcoma (AFS) is of even greater rarity, with less than 100 cases reported in the literature. Consequently, no standard treatment or guidelines have been made available. Surgery is often performed as primary therapy, but may be limited due to anatomical or functional reasons. We present a case of AFS successfully treated by postoperative radiation therapy. A detailed case study is provided, followed by a review of the English-language literature focusing on the role of radiation therapy...
April 25, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28443092/disarming-cellular-alarm-systems-manipulation-of-stress-induced-nkg2d-ligands-by-human-herpesviruses
#6
REVIEW
Dominik Schmiedel, Ofer Mandelboim
The coevolution of viruses and their hosts led to the repeated emergence of cellular alert signals and viral strategies to counteract them. The herpesvirus family of viruses displays the most sophisticated repertoire of immune escape mechanisms enabling infected cells to evade immune recognition and thereby maintain infection. The herpesvirus family consists of nine viruses that are capable of infecting humans: herpes simplex virus 1 and 2 (HSV-1, HSV-2), varicella zoster virus (VZV), Epstein-Barr virus (EBV), human cytomegalovirus (HCMV), roseoloviruses (HHV-6A, HHV-6B, and HHV-7), and Kaposi's-sarcoma-associated herpesvirus (KSHV)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28442918/targeting-the-pd-1-pathway-in-pediatric-solid-tumors-and-brain-tumors
#7
REVIEW
Lars M Wagner, Val R Adams
While remarkable advances have been made in the treatment of pediatric leukemia over the past decades, new therapies are needed for children with advanced solid tumors and high-grade brain tumors who fail standard chemotherapy regimens. Immunotherapy with immune checkpoint inhibitors acting through the programmed cell death-1 (PD-1) pathway has shown efficacy in some chemotherapy-resistant adult cancers, generating interest that these agents may also be helpful to treat certain refractory pediatric malignancies...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28442847/gastrointestinal-neuroectodermal-tumor-a-diagnostic-dilemma
#8
Keduovinuo K Keditsu, Shraddha Patkar, Munita Bal, Shailesh V Shrikhande, Mahesh Goel
Malignant gastrointestinal neuroectodermal tumor (GNET), a rare soft tissue sarcoma, is a recently described distinct clinicopathological entity. With only a few cases reported in literature till date, there is limited knowledge about the behavior as well as diagnosis of this tumor. GNET mimics several other tumors and hence presents as a diagnostic challenge to clinicians and pathologists alike. We report a case of gastrointestinal neuroectodermal tumors with liver metastasis.
April 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28442210/issues-of-survivorship-and-rehabilitation-in-soft-tissue-sarcoma
#9
C Gerrand, S Furtado
As the number of survivors of extremity soft tissue sarcoma increases, so does the need to understand the experience of survivors and develop measures, systems and services that support rehabilitation into normal life roles. Survivorship includes considerations of the physical, psychological and social domains, of which the physical sequelae of treatment are the best characterised in the literature. The survivorship experience may include disability, pain, lymphoedema, psychological problems, as well as difficulty with employment, relationships and lower quality of life...
April 22, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28440513/optimization-of-antitumor-treatment-conditions-for-transcutaneous-co2-application-an-in-vivo-study
#10
Takeshi Ueha, Teruya Kawamoto, Yasuo Onishi, Risa Harada, Masaya Minoda, Mitsunori Toda, Hitomi Hara, Naomasa Fukase, Masahiro Kurosaka, Ryosuke Kuroda, Toshihiro Akisue, Yoshitada Sakai
Carbon dioxide (CO2) therapy can be applied to treat a variety of disorders. We previously found that transcutaneous application of CO2 with a hydrogel decreased the tumor volume of several types of tumors and induced apoptosis via the mitochondrial pathway. However, only one condition of treatment intensity has been tested. For widespread application in clinical antitumor therapy, the conditions must be optimized. In the present study, we investigated the relationship between the duration, frequency, and treatment interval of transcutaneous CO2 application and antitumor effects in murine xenograft models...
April 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440090/spermatocytic-tumor-with-sarcoma-a-rare-testicular-neoplasm
#11
Ashley E Stueck, John E Grantmyre, Lori A Wood, Cheng Wang, Jennifer Merrimen
Spermatocytic tumor, formerly known as spermatocytic seminoma, is an uncommon testicular neoplasm which is a distinct clinicopathologic entity from classic seminoma. These tumors are not associated with germ cell neoplasia in situ, other germ cell tumors, or isochromosome 12p. Although typically, these tumors have an excellent prognosis occasional cases are associated with sarcoma and have a very poor prognosis. We present a case of spermatocytic tumor with sarcoma showing a chondrosarcomatous component, discuss the pathologic findings and differential diagnosis and provide follow-up information...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28440018/clear-cell-sarcoma-of-kidney-involving-a-horseshoe-kidney-and-harboring-egfr-internal-tandem-duplication
#12
Teresa Santiago, Michael R Clay, Elizabeth Azzato, Scott Newman, Israel Fernandez-Pineda, Kim E Nichols, Jinghui Zhang, James R Downing, Andrew Davidoff, Rachel C Brennan, David W Ellison
Clear cell sarcoma of kidney (CCSK) is a rare renal malignancy, previously unreported in horseshoe kidney (HSK). B-cell lymphoma 6 corepressor (BCOR) gene internal tandem duplication (ITD) was identified as a recurrent somatic alteration in approximately 85% of CCSKs. This and the YWHAE-NUTM2B/E fusion, the second most common recurrent molecular alteration in CCSK (10%), are considered to be mutually exclusive. However, there is a subset of CCSKs that do not harbor either the BCOR-ITD or YWHAE-NUTM2 translocation and lack known molecular alterations...
April 25, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28439836/prediction-of-mirna-mrna-interactions-using-mirgate
#13
Eduardo Andrés-León, Gonzalo Gómez-López, David G Pisano
miRGate ( http://mirgate.bioinfo.cnio.es /) is a freely available database that contains predicted and experimentally validated microRNA-messenger RNA (miRNA-mRNA) target pairs. This resource includes novel predictions from five well-established algorithms, but recalculated from a common and comprehensive sequence dataset. It includes all 3'-UTR sequences of all known genes of the three more widely employed genomes (human, mouse, and rat), and all annotated miRNA sequences from those genomes. Besides, it also contains predictions for all genes in human targeted by miRNA viruses such as Epstein-Barr and Kaposi sarcoma-associated herpes virus...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28439797/desmoid-type-fibromatosis-who-when-and-how-to-treat
#14
REVIEW
Javier Martínez Trufero, Isabel Pajares Bernad, Irene Torres Ramón, Jorge Hernando Cubero, Roberto Pazo Cid
Desmoid-type fibromatosis is a sarcoma subtype that gathers some singular characteristics, making it a difficult challenge to face in clinical practice. Despite its excellent survival prognosis, these tumors may be unpredictable, ranging from an asymptomatic indolent course to persistent, local, and extended recurrences that significantly impair quality of life. Although surgery was initially considered the first elective treatment, collected published data during the past few years are now pointing to the "wait and see" approach as a reasonable initial strategy because many patients can live a long life with the disease without having symptoms...
May 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28439495/immunotherapies-in-sarcoma-updates-and-future-perspectives
#15
REVIEW
Marwan Ghosn, Elie El Rassy, Hampig Raphael Kourie
Sarcomas are malignant tumors that are characterized by a wide diversity of subtypes with various cytogenetic profiles. Despite major treatment breakthroughs, standard treatment modalities combining chemotherapy, radiotherapy, and surgery failed to improve overall survival. Therefore, high expectations are foreseen with immunotherapy upon its maturation and better understanding of its mechanism of action. This paper presents a targeted review of the published data and ongoing clinical trials in immunotherapies of sarcomas, mainly adoptive cell therapies, cancer vaccines and immune checkpoint inhibitors...
April 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28439237/biomarkers-of-osteosarcoma-chondrosarcoma-and-ewing-sarcoma
#16
REVIEW
Francesco R Evola, Luciano Costarella, Vito Pavone, Giuseppe Caff, Luca Cannavò, Andrea Sessa, Sergio Avondo, Giuseppe Sessa
Osteosarcoma is the most frequent malignant bone neoplasm, followed by chondrosarcoma and Ewing sarcoma. The diagnosis of bone neoplasms is generally made through histological evaluation of a biopsy. Clinical and radiological features are also important in aiding diagnosis and to complete the staging of bone cancer. In addition to these, there are several non-specific serological or specific molecular markers for bone neoplasms. In bone tumors, molecular markers increase the accuracy of the diagnosis and assist in subtyping bone tumors...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28439153/supraclavicular-metastases-from-distant-primary-solid-tumours-a-retrospective-study-of-41%C3%A2-years
#17
Keyvan Sagheb, Asina Manz, Stefan B Albrich, Katherine J Taylor, Georg Hess, Christian Walter
OBJECTIVES: Approximately 1 % of all malignant solid tumours of the head and neck area are metastases from primary tumours beneath the clavicles. The aim of this study was to analyse the distribution of primary tumours since meta-analyses might have been biased due to the usually extraordinary character of case reports. MATERIALS AND METHODS: All patient files from 1970 to 2012 from the Oral and Maxillofacial Surgery unit at a University Hospital were analysed regarding the existence of metastases to the head and neck area from distant primaries...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438971/the-impact-and-efficacy-of-surveillance-in-patients-with-sarcoma-of-the-extremities
#18
P Cool, G Cribb
OBJECTIVES: In this cross sectional study, the impact and the efficacy of a surveillance programme for sarcomas of the extremities was analysed. METHODS: All patients who had treatment with curative intent for a high-grade sarcoma and were diagnosed before 2014 were included and followed for a minimum of two years. RESULTS: Of the 909 patients who had a review appointment in 2014, 131 were under review for a high-grade sarcoma of the extremities following treatment with curative intent...
April 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28438883/ewing-s-sarcoma-family-tumors-in-the-jaws-case-report-immunohistochemical-analysis-and-literature-review
#19
Ana Regina Casaroto, Marcelo Bonifacio DA Silva Sampieri, Cleverson Teixeira Soares, Paulo Sergio DA Silva Santos, Renato Yassutaka Faria Yaedu, José Humberto Damante, Vanessa Soares Lara
Due to the low incidence of the Ewing's Sarcoma (ES) family tumors, the available epidemiology is likely to be unreliable, and at present, there are no standard diagnostic or clinical guidelines outlining their management. This report describes a case of peripheral primitive neuroectodermal tumor (ES/pPNET) which initially mimicked cystic lesions, and describes a comparison between ES and ES/pPNET in the jaws by the World Health Organization classification. This review addressed 63 cases published in the English literature between 1950 and 2016...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28438877/it-based-psychosocial-distress-screening-in-patients-with-sarcoma-and-parental-caregivers-via-disease-specific-online-social-media-communities
#20
Florian Pohlig, Ulrich Lenze, Heinrich M L Muhlhofer, Florian W Lenze, Johannes Schauwecker, Carolin Knebel, Tanja Zimmermann, Peter Herschbach
BACKGROUND: Psychosocial distress can be frequently observed in patients with sarcoma, depicting a relevant clinical problem. However, prospective data collection on psychosocial distress in patients with rare tumors is often time-consuming. In this context, social media such as Facebook can serve as a potential platform to expand research. The aim of this study was to assess the feasibility of psychosocial distress screening in patients with osteosarcoma and Ewing's sarcoma via social media...
May 2017: In Vivo
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