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https://www.readbyqxmd.com/read/28329921/neuroendocrine-tumors-in-the-stomach-duodenum-and-pancreas-accompanied-by-novel-men1-gene-mutation
#1
Min A Yang, Woong Ki Lee, Hong Shik Shin, Sung Hyun Park, Byung Sun Kim, Ji Woong Kim, Jin Woong Cho, So Hee Yun
Multiple endocrine neoplasia type 1 (MEN1) syndrome is a relatively rare disease, characterized by the occurrence of multiple endocrine tumors in the parathyroid and pituitary glands as well as the pancreas. Here, we report a case of MEN1 with neuroendocrine tumors (NETs) in the stomach, duodenum, and pancreas. A 53-year-old man visited our hospital to manage gastric NET. Five years prior to his visit, he had undergone surgery for incidental meningioma. His brother had pancreatic nodules and a history of surgery for adrenal adenoma...
March 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28329738/transarterial-chemo-embolization-for-liver-metastases-in-patients-with-neuroendocrine-tumors
#2
Hiroyuki Okuyama, Masafumi Ikeda, Hideaki Takahashi, Izumi Ohno, Yusuke Hashimoto, Shuichi Mitsunaga, Yasunari Sakamoto, Shunsuke Kondo, Chigusa Morizane, Hideki Ueno, Tatsushi Kobayashi, Yasuaki Arai, Takuji Okusaka
OBJECTIVE: The aim of this study was to evaluate the safety and efficacy of transarterial (chemo)embolization [TA(C)E] for the control of liver metastasis in patients with neuroendocrine tumors (NETs). METHODS: In this retrospective study, we enrolled 43 patients with metastatic NETs who had been treated with TA(C)E between December 1999 and June 2013 at the National Cancer Center Hospital, Tokyo or the National Cancer Center Hospital East, Kashiwa. We assessed tumor response, time to treatment failure (TTF), overall survival (OS), and frequency of adverse events in these patients, and attempted to identify predictors of TTF...
March 23, 2017: Oncology
https://www.readbyqxmd.com/read/28329645/frequent-somatic-mutations-of-chromatin-remodeling-genes-in-metastatic-cutaneous-squamous-cell-carcinoma
#3
Amanda Ewart Toland
Exome and targeted sequencing studies have identified potential driver mutations for a variety of tumor types. Cutaneous squamous cell carcinoma (cSCC) is one of the most highly mutated cancers but is typically correlated with high survival rates and low rates of metastasis. Nevertheless, metastatic cSCC is a significant health threat; up to 8800 individuals are estimated to die yearly from this disease. As it is difficult to predict which cSCCs are more likely to metastasize, and because there are no targeted therapies specifically designated for metastatic cSCC, we performed exome and targeted sequencing of 18 metastatic and 10 primary cSCCs to identify mutations with potential therapeutic benefit...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329586/cd30-lymphoproliferative-disorder-in-a-patient-with-metastatic-papillary-thyroid-carcinoma
#4
Jeremy Udkoff, Philip R Cohen
Background CD30+ lymphoproliferative disorders are rare and may feature a wide variety of presentations that mimic other conditions. Purpose A man with metastatic papillary thyroid carcinoma to skin who subsequently developed cutaneous anaplastic large cell lymphoma is described. Methods The PubMed medical database was used to search the following terms separately and in combination: ALCL, anaplastic large cell lymphoma ALCL, cutaneous anaplastic large cell lymphoma CALCL, cutaneous t-cell lymphoma CTCL, large t-cell lymphoma LTCL, lymphoproliferative, lymphomatoid papulosis LyP, mimic, papillary, thyroid cancer...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329426/clinicopathological-characteristics-including-braf-v600e-mutation-status-and-pet-ct-findings-in-papillary-thyroid-carcinoma
#5
Eun Kyoung Choi, Ari Chong, Jung-Min Ha, Chan Kwon Jung, Joo Hyun O, Sung Hoon Kim
OBJECTIVE: We assessed the associations between FDG uptake in primary papillary thyroid carcinomas (PTCs) and clinicopathological features, including the BRAF V600E mutation, using quantitative and qualitative analyses of preoperative PET/CT data. DESIGN AND PATIENTS: This was a retrospective review of 106 patients with PTC who underwent PET/CT scans between February 2009 and January 2011 before undergoing total thyroidectomy. Data collected from surgical specimens were compared with FDG uptake in the primary tumor using quantitative and qualitative analyses of preoperative PET/CT data...
March 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28328858/retroperitoneal-and-intrahepatic-metastasis-from-primary-clear-cell-carcinoma-of-the-liver-a-case-report-and-review-of-the-literature
#6
Junjie Xiong, Du He, Weiming Hu, Xubao Liu
BACKGROUND: Hepatocellular carcinoma (HCC) is a major cause of cancer-related mortality worldwide and the incidence is increasing as a result of growing hepatitis B and C virus infections. Primary clear cell carcinoma of the liver (PCCCL) is a rare subgroup of primary HCC, which has low metastatic potential and infrequently reported in literature. Retroperitoneal and intrahepatic metastasis of PCCCL has not been reported previously. CASE SUMMARY: Here, we present a 55-year-old male with retroperitoneal and intrahepatic metastasis of PCCCL who is managed with surgical method and transcatheter arterial chemoembolization (TACE) at our institution...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328820/long-term-outcomes-of-surgery-alone-versus-surgery-following-preoperative-chemoradiotherapy-for-early-t3-rectal-cancer-a-propensity-score-analysis
#7
Seung Hyun Cho, Gyu-Seog Choi, Gab Chul Kim, An Na Seo, Hye Jung Kim, Won Hwa Kim, Kyung-Min Shin, So Mi Lee, Hunkyu Ryeom, See Hyung Kim
Recently, a few studies have raised the question of whether preoperative chemoradiotherapy (PCRT) is essential for all T3 rectal cancers. This case-matched study aimed to compare the long-term outcomes of surgery alone with those of PCRT + surgery for magnetic resonance imaging (MRI)-assessed T3ab (extramural depth of invasion ≤5 mm) and absent mesorectal fascia invasion (clear MRF) in mid/lower rectal cancer patients.From January 2006 to November 2012, 203 patients who underwent curative surgery alone (n = 118) or PCRT + surgery (n = 85) were enrolled in this retrospective study...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28327623/long-term-effectiveness-of-irreversible-electroporation-in-a-murine-model-of-colorectal-liver-metastasis
#8
P Sánchez-Velázquez, Q Castellví, A Villanueva, M Iglesias, R Quesada, C Pañella, M Cáceres, D Dorcaratto, A Andaluz, X Moll, J M Burdío, L Grande, A Ivorra, F Burdío
Irreversible electroporation (IRE) has recently gained in popularity as an ablative technique, however little is known about its oncological long-term outcomes. To determine the long-time survival of animals treated with a high dose of IRE and which histological changes it induces in tumoral tissue, IRE ablation was performed in forty-six athymic-nude mice with KM12C tumors implanted in the liver by applying electric current with different voltages (2000 V/cm, 1000 V/cm). The tumors were allowed to continue to grow until the animals reached the end-point criteria...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327601/bcip-a-gene-centered-platform-for-identifying-potential-regulatory-genes-in-breast-cancer
#9
Jiaqi Wu, Shuofeng Hu, Yaowen Chen, Zongcheng Li, Jian Zhang, Hanyu Yuan, Qiang Shi, Ningsheng Shao, Xiaomin Ying
Breast cancer is a disease with high heterogeneity. Many issues on tumorigenesis and progression are still elusive. It is critical to identify genes that play important roles in the progression of tumors, especially for tumors with poor prognosis such as basal-like breast cancer and tumors in very young women. To facilitate the identification of potential regulatory or driver genes, we present the Breast Cancer Integrative Platform (BCIP, http://omics.bmi.ac.cn/bcancer/). BCIP maintains multi-omics data selected with strict quality control and processed with uniform normalization methods, including gene expression profiles from 9,005 tumor and 376 normal tissue samples, copy number variation information from 3,035 tumor samples, microRNA-target interactions, co-expressed genes, KEGG pathways, and mammary tissue-specific gene functional networks...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28327411/gas6-axl-signaling-in-presence-of-sunitinib-is-enhanced-diversified-and-sustained-in-renal-tumor-cells-resulting-in-tumor-progressive-advantages
#10
Anna Gustafsson, Helena K M Fritz, Björn Dahlbäck
Clear Cell Renal Cell Carcinoma (CCRCC) is a lethal cancer with bad prognosis due to development of chemoresistance and recurrence of more aggressive tumors. Investigation of Gas6-mediated Axl signaling in CCRCC and endothelial cells reveals a Sunitinib resistant Gas6-Axl signaling that is sustained and enhanced and specifically triggers downstream AKT and PRAS40 activation in an intensified manner. Gas6-induced Axl signaling in presence of Sunitinib is also diversified displaying onset of Axl-dependent EGFR and METR activation and activation of classical MAPK pathways...
March 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28327291/solid-pseudopapillary-neoplasm-of-the-pancreas-a-clinicopathological-review-of-20-cases-including-rare-examples
#11
Ayca Ersen, Anil Aysal Agalar, Erdener Ozer, Cihan Agalar, Tarkan Unek, Tufan Egeli, Mucahit Ozbilgin, Ibrahim Astarcioglu, Mustafa Olguner, Funda Obuz, Ozgul Sagol
AIMS: Solid-pseudopapillary neoplasm (SPN) is an uncommon malignant tumor of the pancreas with a favorable prognosis unlike other pancreatic neoplasms. We investigated the clinicopathological features of 20 patients with SPN in details. METHODS: The patients diagnosed as SPN in Dokuz Eylul University Hospital between January 2005 and March 2016 were reviewed in terms of clinical and histopathological data. RESULTS: Mean age of the patients was 33...
November 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28327204/lung-adenocarcinoma-with-thyroid-metastasis-a-case-report
#12
A Dao, H Jabir, A Taleb, N Benchakroun, Z Bouchbika, T Nezha, H Jouhadi, S Sahraoui, A Benider
BACKGROUND: The metastases of a primary lung cancer over the thyroid gland are extremely rare. We report on an unusual presentation of thyroid metastasis of lung cancer in order to improve the management of similar cases. CASE PRESENTATION: Three years ago, a Moroccan male 59-year-old was admitted for dyspnea, dry cough, and chest pain. He had smoked about 30 cigarette packs a year. Clinical examination revealed a right thyroid nodule. Chest and neck computed tomography (CT) scan showed a proximal left tumor in contact with the pulmonary artery and revealed a suspected nodule in the right lobe of the thyroid with homolateral neck node...
March 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28327189/microrna-27a-contributes-to-the-malignant-behavior-of-gastric-cancer-cells-by-directly-targeting-ph-domain-and-leucine-rich-repeat-protein-phosphatase-2
#13
Lei Ding, Shanyong Zhang, Mu Xu, Renwen Zhang, Pengcheng Sui, Qing Yang
BACKGROUND: Accumulating evidence indicates that microRNA-27a (miR-27a) is involved in carcinogenesis and tumor progression. However, the exact function and molecular mechanism of miR-27a in gastric cancer remain unclear. METHODS: Quantitative real-time PCR (qRT-PCR) was used to quantify the expression of miR-27a and its target gene. The function of miR-27a in gastric cancer was investigated through in vitro and in vivo assays (MTT assay, colony formation assay, flow cytometry assay, wound healing assay, migration and invasion assay, immunohistochemistry (IHC), immunofluorescence (IF) and Western blot)...
March 21, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28327179/pterostilbene-prevents-akt-erk-axis-mediated-polymerization-of-surface-fibronectin-on-suspended-lung-cancer-cells-independently-of-apoptosis-and-suppresses-metastasis
#14
Ying-Jan Wang, Jing-Fang Lin, Li-Hsin Cheng, Wen-Tsan Chang, Ying-Hsien Kao, Ming-Min Chang, Bour-Jr Wang, Hung-Chi Cheng
BACKGROUND: Polymeric fibronectin (polyFN) assembled on suspended breast cancer cells is required for metastasis. Conceivably, drugs that target such polyFN may fight against cancer metastasis. While stilbene analogs trigger pro-apoptotic effect on attached cancer cells, whether they prevent polyFN assembly and metastasis of suspended cancer cells via an apoptosis-independent manner remains unexplored. METHODS: We depleted suspended Lewis lung carcinoma (LLC) cells of polyFN by silencing the endogenous FN expression or pterostilbene (PS) to examine whether metastasis of lung cancer cells could thus be suppressed...
March 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28327158/the-clinicopathological-parameters-and-prognostic-significance-of-her2-expression-in-gastric-cancer-patients-a-meta-analysis-of-literature
#15
REVIEW
Yu-Ying Lei, Jin-Yu Huang, Qiong-Rui Zhao, Nan Jiang, Hui-Mian Xu, Zhen-Ning Wang, Hai-Qing Li, Shi-Bo Zhang, Zhe Sun
BACKGROUND: Human epidermal growth factor receptor-2 (HER2) is regarded as an important and promising target in the treatment of HER2-positive breast cancers. However, the correlation of clinicopathological characteristics and prognostic significance of HER2 overexpression in gastric cancer patients remains unclear. Our aim was to clarify this issue. METHODS: Embase, PubMed, and the Cochrane Library were searched for relevant articles published up to May 2016. Outcomes of interest contained sex, age, tumor size, tumor site, tumor node metastasis (TNM) stage, distant metastasis, lymph node metastasis, Lauren's classification, differentiation grade, lymphovascular invasion, neural invasion, and multivariate analysis data for overall survival...
March 21, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28327103/morphological-and-phenotypical-features-of-ovarian-metastases-in-breast-cancer-patients
#16
Inge T A Peters, Merle A van der Steen, Bertine W Huisman, Carina G J M Hilders, Vincent T H B M Smit, Alexander L Vahrmeijer, Cornelis F M Sier, J Baptist Trimbos, Peter J K Kuppen
BACKGROUND: Autotransplantation of frozen-thawed ovarian tissue is a method to preserve ovarian function and fertility in patients undergoing gonadotoxic therapy. In oncology patients, the safety cannot yet be guaranteed, since current tumor detection methods can only exclude the presence of malignant cells in ovarian fragments that are not transplanted. We determined the need for a novel detection method by studying the distribution of tumor cells in ovaries from patients with breast cancer...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28326835/polymorphisms-of-cancer-stem-cell-marker-gene-cd133-are-associated-with-susceptibility-and-prognosis-of-gastric-cancer
#17
Zhi-Fang Jia, Yan-Hua Wu, Dong-Hui Cao, Xue-Yuan Cao, Jing Jiang, Bao-Sen Zhou
AIM: This study was aimed to investigate the associations between single nucleotide polymorphisms of cancer stem cell marker genes, CD44 and CD133, and susceptibility and prognosis of gastric cancer. PATIENTS & METHODS: Five single nucleotide polymorphisms in CD44 and CD133 genes were genotyped in 898 gastric cancer cases and 992 controls. RESULTS: The A/C or C/C genotypes of CD133 rs2240688 were associated with decreased risk of gastric cancer comparing with the A/A genotype (odds ratio: 0...
February 24, 2017: Future Oncology
https://www.readbyqxmd.com/read/28326824/osteopontin-its-potential-role-in-cancer-of-children-and-young-adults
#18
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/28326306/cd44-a-multifunctional-cell-surface-adhesion-receptor-is-a-regulator-of-progression-and-metastasis-of-cancer-cells
#19
REVIEW
Linda T Senbanjo, Meenakshi A Chellaiah
CD44 is a cell surface adhesion receptor that is highly expressed in many cancers and regulates metastasis via recruitment of CD44 to the cell surface. Its interaction with appropriate extracellular matrix ligands promotes the migration and invasion processes involved in metastases. It was originally identified as a receptor for hyaluronan or hyaluronic acid and later to several other ligands including, osteopontin (OPN), collagens, and matrix metalloproteinases. CD44 has also been identified as a marker for stem cells of several types...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28325291/systemic-rala-inos-nanoparticles-a-potent-gene-therapy-for-metastatic-breast-cancer-coupled-as-a-biomarker-of-treatment
#20
Cian M McCrudden, John W McBride, Joanne McCaffrey, Ahlam A Ali, Nicholas J Dunne, Vicky L Kett, Jonathan A Coulter, Tracy Robson, Helen O McCarthy
This study aimed to determine the therapeutic benefit of a nanoparticular formulation for the delivery of inducible nitric oxide synthase (iNOS) gene therapy in a model of breast cancer metastasis. Nanoparticles comprising a cationic peptide vector, RALA, and plasmid DNA were formulated and characterized using a range of physiochemical analyses. Nanoparticles complexed using iNOS plasmids and RALA approximated 60 nm in diameter with a charge of 25 mV. A vector neutralization assay, performed to determine the immunogenicity of nanoparticles in immunocompetent C57BL/6 mice, revealed that no vector neutralization was evident...
March 17, 2017: Molecular Therapy. Nucleic Acids
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