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https://www.readbyqxmd.com/read/29150768/toe-web-intertrigo-in-kaposi-s-sarcoma-patients-a-microbiological-study-in-a-large-cohort-of-patients
#1
G Nazzaro, A Tourlaki, B Scoppio, A Restelli, A Grancini, L Brambilla
Kaposi 's sarcoma (KS) is a rare multifocal angioproliferative disease associated with human herpes virus 8 (HHV-8) infection, characterized by cutaneous nodules or plaques especially on the lower limbs. Some skin modifications, such as chronic lymphedema, plantar hyperkeratosis and interdigital desquamation, may be associated with consequent impairment of the local immunosurveillance and increased risk of some bacterial or mycotic infections. With the objective of evaluating if bacterial or mycotic infections in KS patients are supported by different microorganisms compared to control patients, we performed an observational retrospective study, comparing positive cultural swabs of interdigital intertrigo of KS patients with positive cultural swabs of interdigital intertrigo of patients admitted to our dermatologic unit during the last 10 years...
November 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29150734/the-sirtuin-1-2-inhibitor-tenovin-1-induces-a-nonlinear-apoptosis-inducing-factor-dependent-cell-death-in-a-p53-null-ewing-s-sarcoma-cell-line
#2
Christian Marx, Lisa Marx-Blümel, Nora Lindig, René Thierbach, Doerte Hoelzer, Sabine Becker, Susan Wittig, Roland Lehmann, Hortense Slevogt, Thorsten Heinzel, Zhao-Qi Wang, James F Beck, Jürgen Sonnemann
The sirtuin 1/2 inhibitor tenovin-1 activates p53 and may have potential in the management of cancer. Here, we investigated the responsiveness of Ewing's sarcoma cells to tenovin-1. We examined its effects in two Ewing's sarcoma cell lines with different p53 status, i.e. in p53 wild-type and p53 null cells. Effects were assessed by flow cytometric analyses of cell death, mitochondrial membrane depolarization and reactive oxygen species (ROS) generation, by caspase 3/7 activity measurement, by mRNA expression profiling and by immunoblotting...
November 18, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/29149644/assessing-the-risk-of-laparoscopic-morcellation-of-occult-uterine-sarcomas-during-hysterectomy-and-myomectomy-literature-review-and-the-isge-recommendations
#3
REVIEW
Ornella Sizzi, Lucia Manganaro, Alfonso Rossetti, Matteo Saldari, Giuseppe Florio, Alessandro Loddo, Robert Zurawin, Bruno van Herendael, Dusan Djokovic
OBJECTIVE: This project of the International Society for Gynecologic Endoscopy (ISGE) had the objective to review the literature and provide recommendations on the occult sarcoma risk assessment in patients who are candidates for minimally invasive gynecological surgery involving intra-abdominal electromechanical tissue morcellation. STUDY DESIGN: The ISGE Task Force for Estimation of the Risk in Endoscopic Morcellation initially defined key topics and clinical questions which may guide a comprehensive preoperative patient assessment...
November 7, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29148079/insm1-a-novel-nuclear-marker-in-merkel-cell-carcinoma-cutaneous-neuroendocrine-carcinoma
#4
Patrick S Rush, Jason N Rosenbaum, Madhuchhanda Roy, Rebecca M Baus, Daniel D Bennett, Ricardo V Lloyd
Merkel cell carcinoma (MCC) is a rare, clinically aggressive, cutaneous neuroendocrine (NE) neoplasm. As a tumor with small, round, blue cells, the histologic differential diagnosis for MCC can include melanoma, metastatic small cell carcinoma (SCC), nodular hematopoietic tumors, basal cell carcinoma (BCC), atypical variants of squamous carcinoma, and the uncommon occurrence of primary cutaneous Ewing sarcoma. In cases with atypical histology or without the classic immunophenotype the diagnosis can be challenging...
November 17, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29146734/humanized-mice-in-studying-efficacy-and-mechanisms-of-pd-1-targeted-cancer-immunotherapy
#5
Minan Wang, Li-Chin Yao, Mingshan Cheng, Danying Cai, Jan Martinek, Chong-Xian Pan, Wei Shi, Ai-Hong Ma, Ralph W De Vere White, Susan Airhart, Edison T Liu, Jacques Banchereau, Michael A Brehm, Dale L Greiner, Leonard D Shultz, Karolina Palucka, James G Keck
Establishment of an in vivo small animal model of human tumor and human immune system interaction would enable preclinical investigations into the mechanisms underlying cancer immunotherapy. To this end, non-obese diabetic (NOD).Cg-Prkdc(scid)IL2rg(tm1Wjl) /Sz (null; NSG) mice were transplanted with human (h)CD34(+) hematopoietic progenitor and stem cells, which leads to the development of human hematopoietic and immune systems [humanized NSG (HuNSG)]. HuNSG mice received human leukocyte antigen partially matched tumor implants from patient-derived xenografts [PDX; nonsmall cell lung cancer (NSCLC), sarcoma, bladder cancer, and triple-negative breast cancer (TNBC)] or from a TNBC cell line-derived xenograft (CDX)...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29146731/organic-anion-transporting-polypeptide-1b3-as-a-dual-reporter-gene-for-fluorescence-and-magnetic-resonance-imaging
#6
Menq-Rong Wu, Hon-Man Liu, Chen-Wen Lu, Way-Hone Shen, I-Jou Lin, Li-Wen Liao, Yi-You Huang, Ming-Jium Shieh, Jong-Kai Hsiao
Reporter proteins have broad applications in visualizing molecular events at the cellular, tissue and whole-body levels. Transmembrane transporters recognizing specific molecular domains are of particular interest because they enable the migration of signal-source molecules from the extracellular space to the cytoplasm for subsequent application in multimodality imaging. Organic anion-transporting polypeptides (OATPs) have demonstrated their MRI reporter efficacy. We further expanded their use as a dual-modality reporter in MRI and noninvasive in vivo imaging system (IVIS)...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29146205/pax3-foxo1-zooming-in-on-an-undruggable-target
#7
REVIEW
Marco Wachtel, Beat W Schäfer
Driver oncogenes are prime targets for therapy in tumors many of which, including leukemias and sarcomas, express recurrent fusion transcription factors. One specific example for such a cancer type is alveolar rhabdomyosarcoma, which is associated in the majority of cases with the fusion protein PAX3-FOXO1. Since fusion transcription factors are challenging targets for development of small molecule inhibitors, indirect inhibitory strategies for this type of oncogenes represent a more promising approach. One can envision strategies at different molecular levels including upstream modifiers and activators, epigenetic and transcriptional co-regulators, and downstream effector targets...
November 13, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29146074/corrigendum-to-diagnostic-utility-of-idh1-2-mutations-to-distinguish-dedifferentiated-chondrosarcoma-from-undifferentiated-pleomorphic-sarcoma-of-bone-hum-pathol-2017-65-239-46
#8
Shaoxiong Chen, Karen Fritchie, Shi Wei, Naser Ali, Kendra Curless, Tiansheng Shen, Anna T Brini, Farida Latif, Vaiyapuri Sumathi, Gene P Siegal, Liang Cheng
No abstract text is available yet for this article.
November 13, 2017: Human Pathology
https://www.readbyqxmd.com/read/29145565/outcome-prediction-in-patients-with-localized-soft-tissue-sarcoma-which-tool-is-the-best
#9
B Kasper, E Wardelmann
No abstract text is available yet for this article.
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29145339/alveolar-soft-part-sarcoma-with-multiple-brain-and-lung-metastases-in-pregnancy-a-case-report-and-literature-review
#10
Yubo Wang, Jiayue Cui, Xu Yan, Rihua Jin, Xinyu Hong
RATIONAL: Alveolar soft part sarcomas (ASPSs) with multiple brain metastases in pregnancy is a rare entity. PATIENT CONCERNS: We report our experience with a 19-year-old pregnant woman who presented with intermittent headaches and vomiting at 38 weeks gestation. DIAGNOSES: The patient was initially diagnosed as brain metastasis according to computed tomography and magnetic resonance imaging (MRI) imaging. INTERVENTIONS: Cesarean section and craniotomy (complete resection of both brain metastatic lesions) was performed sequentially...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144820/pheochromocytoma-a-genetic-and-diagnostic-update
#11
Leilani B Mercado-Asis, Katherine I Wolf, Ivana Jochmanova, David Taïeb
OBJECTIVE: Pheochromocytomas and paragangliomas (PPGLs) are neuroendocrine tumors derived from adrenal or extra-adrenal locations, respectively. Upon suspicion of PPGL, specific metabolomic, molecular, biochemical, imaging, and histopathological studies are performed to prove, localize, treat, and monitor disease progression. Recently, improved diagnostic tools allow physicians to accurately diagnose PPGL, even in patients presenting with small (less than 1 cm) or biochemically silent tumors, which previously delayed proper detection and treatment...
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29143983/growth-of-doxorubicin-resistant-undifferentiated-spindle-cell-sarcoma-pdox-is-arrested-by-metabolic-targeting-with-recombinant-methioninase
#12
Kentaro Igarashi, Shukuan Li, Qinghong Han, Yuying Tan, Kei Kawaguchi, Takashi Murakami, Tasuku Kiyuna, Kentaro Miyake, Yunfeng Li, Scott D Nelson, Sarah M Dry, Arun S Singh, Irmina A Elliott, Tara A Russell, Mark A Eckardt, Norio Yamamoto, Katsuhiro Hayashi, Hiroaki Kimura, Shinji Miwa, Hiroyuki Tsuchiya, Fritz C Eilber, Robert M Hoffman
Undifferentiated spindle-cell sarcoma (USCS) is a recalcitrant -cancer in need of individualized therapy. A high-grade USCS from a striated muscle of a patient was grown orthotopically in the right biceps femoris muscle of nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. In a previous study, we evaluated the efficacy of standard first-line chemotherapy of doxorubicin (DOX), gemcitabine (GEM) combined with docetaxel (DOC), compared to pazopanib (PAZ), a multi-targeting tyrosine-kinase inhibitor, in an USCS PDOX model...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143897/anaplastic-lymphoma-kinase-testing-ihc-vs-fish-vs-ngs
#13
REVIEW
Xiaomin Niu, Jody C Chuang, Gerald J Berry, Heather A Wakelee
Personalized targeted therapy has emerged as a promising strategy in lung cancer treatment, with current attention focused on elucidation and detection of oncogenic drivers responsible for tumor initiation and maintenance and development of drug resistance. In lung cancer, several oncogenic drivers have been reported, triggering the application of tyrosine kinase inhibitors (TKIs) to target these dysfunctional genes. The anaplastic lymphoma kinase (ALK) rearrangement is responsible for about 4-7% of all non-small cell lung cancers (NSCLCs) and perhaps as high as a third in specific patient populations such as younger, male, non-smokers with advanced stage, epidermal growth factor receptor (EGFR) and Kirsten rat sarcoma viral oncogene (KRAS) wild type, and signet ring cell adenocarcinoma with abundant intracytoplasmic mucin...
November 16, 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29142747/clinical-characteristics-of-critically-ill-cancer-patients-who-are-undergoing-isolated-limb-perfusion
#14
Silvio A Ñamendys-Silva, Arturo M Ruiz-Beltran, Mireya Barragán-Dessavre, Andoreni R Bautista-Ocampo, Abelardo Meneses-García, Octavio González-Chon, Angel Herrera-Gómez
The aim of the present study was to investigate the incidence of organ dysfunction, and to describe the clinical characteristics and intensive care unit (ICU) outcomes of critically ill cancer patients who were admitted to an oncological ICU during the isolated limb perfusion post-operative period. The present study was an observational investigation of 42 critically ill cancer patients who were admitted to the ICU of the Instituto Nacional de Cancerología, during the isolated limb perfusion post-operative period, between July 2010 and February 2016...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29142354/primary-pleuropulmonary-synovial-sarcoma-on-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-scan
#15
Digish Shah, Prakash Odedra
Primary pleuropulmonary synovial sarcoma, a mesenchymal tumor of lung and pleura, is very rare and highly aggressive condition among the primary lung malignancies. As role of fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) has been established in lung malignancies in terms of staging, restaging, biopsy guidance, and treatment response evaluation, there is also role of FDG PET-contrast-enhanced CT (CECT) to raise suspicion or increase confidence in reporting of sarcomatous lung malignancy by studying characteristics of CECT scan features...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29142137/the-epstein-barr-virus-episome-maneuvers-between-nuclear-chromatin-compartments-during-reactivation
#16
Stephanie A Moquin, Sean Thomas, Sean Whalen, Alix Warburton, Samantha G Fernandez, Alison A McBride, Katherine S Pollard, J J L Miranda
The human genome is structurally organized in three-dimensional space to facilitate functional partitioning of transcription. We learned that the latent episome of the human Epstein-Barr virus (EBV) preferentially associates with gene-poor chromosomes and avoids gene-rich chromosomes. Kaposi's sarcoma-associated herpesvirus behaves similarly, but human papillomavirus does not. Contacts localize on the EBV side to OriP, the latent origin of replication. This genetic element, and the EBNA1 protein that binds there, are sufficient to reconstitute chromosome association preferences of the entire episome...
November 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29141919/rare-tumors-in-kids-may-respond-to-tazemetostat
#17
(no author information available yet)
In a phase I trial of the EZH2 inhibitor tazemetostat, children with INI1-deficient tumors-including relapsed or refractory malignant rhabdoid tumors, atypical teratoid rhabdoid tumors, epithelioid sarcomas, and poorly differentiated chordomas-responded well to treatment, with some experiencing durable responses.
November 15, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/29141017/temozolomide-post-pazopanib-treatment-failure-in-patients-with-advanced-sarcoma-a-case-series
#18
Manojkumar Bupathi, John L Hays, James L Chen
BACKGROUND: Sarcomas are rare, heterogeneous tumors for which prognosis remains dismal in patients with advanced disease. Pazopanib, a vascular endothelial growth factor receptor inhibitor, has shown modest efficacy in patients with soft tissue sarcoma who fail cytotoxic chemotherapy. The cytotoxic agent temozolomide has also demonstrated activity in patients with advanced sarcoma. OBJECTIVE: We performed a retrospective case series to evaluate the feasibility of adding temozolomide to pazopanib in advanced sarcoma patients following single-agent pazopanib failure...
2017: PloS One
https://www.readbyqxmd.com/read/29140881/pdgfb-rearrangements-in-dermatofibrosarcoma-protuberans-of-the-vulva-a-study-of-11-cases-including-myxoid-and-fibrosarcomatous-variants
#19
Khadijeh Jahanseir, Deyin Xing, Patricia T Greipp, William R Sukov, Gary L Keeney, Brooke E Howitt, J Kenneth Schoolmeester
Dermatofibrosarcoma protuberans (DFSP) is a low-grade fibroblastic sarcoma that tends to arise in young to middle age adults and involve the trunk and proximal extremities. Rare examples of vulvar DFSP have been reported, including myxoid, myoid, and fibrosarcomatous variants, but detection of the characteristic t(17;22)(q22;q13) that produces COL1A1-PDGFB gene fusion has not been evaluated in a large series of primary vulvar tumors. The clinical, morphologic, immunohistochemical, and molecular cytogenetic features of 11 cases were examined...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29140459/rbm45-competes-with-hdac1-for-binding-to-fus-in-response-to-dna-damage
#20
Juanjuan Gong, Min Huang, Fengli Wang, Xiaolu Ma, Hongmei Liu, Yingfeng Tu, Lingyu Xing, Xuefei Zhu, Hui Zheng, Junjie Fang, Xiaoling Li, Qiaochu Wang, Jiuqiang Wang, Zhongshuai Sun, Xi Wang, Yun Wang, Caixia Guo, Tie-Shan Tang
DNA damage response (DDR) is essential for genome stability and human health. Recently, several RNA binding proteins (RBPs), including fused-in-sarcoma (FUS), have been found unexpectedly to modulate this process. The role of FUS in DDR is closely linked to the pathogenesis of amyotrophic lateral sclerosis (ALS), a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. Given that RBM45 is also an ALS-associated RBP, we wondered whether RBM45 plays any function during this process...
November 13, 2017: Nucleic Acids Research
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