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https://www.readbyqxmd.com/read/28076379/upregulation-of-far-upstream-element-binding-protein-1-fubp1-promotes-tumor-proliferation-and-tumorigenesis-of-clear-cell-renal-cell-carcinoma
#1
Junyao Duan, Xu Bao, Xin Ma, Yu Zhang, Dong Ni, Hanfeng Wang, Fan Zhang, Qingshan Du, Yang Fan, Jianwen Chen, Shengpan Wu, Xintao Li, Yu Gao, Xu Zhang
OBJECTIVE: The far upstream element (FUSE)-binding protein 1 (FUBP1) is a transactivator of human c-myc proto-oncogene transcription, with important roles in carcinogenesis. However, the expression pattern and potential biological function of FUBP1 in clear cell renal cell carcinoma (ccRCC) is yet to be established. METHODS: FUBP1 expression was detected in ccRCC tissues and cell lines by real-time RT-PCR, Western blot analysis, and immunohistochemistry. The correlations of FUBP1 mRNA expression levels with clinicopathological factors were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28072975/-molecular-features-of-metanephric-adenoma-and-their-values-in-differential-diagnosis
#2
X Wang, S S Shi, W R Yang, S B Ye, R Li, H H Ma, R S Zhang, Z F Lu, X J Zhou, Q Rao
Objective: To study the molecular features of metanephric adenoma (MA) and discuss their values in differential diagnosis. Methods: BRAF V600E immunohistochemistry (IHC) using the mutation-specific VE1 monoclonal antibody and Sanger sequencing of BRAF mutations were performed on 21 MAs, 16 epithelial-predominant Wilms tumors (e-WT) and 20 the solid variant of papillary renal cell carcinomas (s-PRCC) respectively. p16 protein was detected by IHC also. Fluorescence in situ hybridization (FISH) analyses using centromeric probes for chromosome 7 and 17 were performed on the three renal tumors in parallel...
January 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28063846/systematic-expression-analysis-of-mitochondrial-complex-i-identifies-ndufs1-as-a-biomarker-in-clear-cell-renal-cell-carcinoma
#3
Jörg Ellinger, Mirjam Poss, Maria Brüggemann, Arabella Gromes, Doris Schmidt, Nadja Ellinger, Yuri Tolkach, Dimo Dietrich, Glen Kristiansen, Stefan C Müller
INTRODUCTION: Mitochondrial dysfunction is common in cancer, and the mitochondrial electron transport chain is often affected in carcinogenesis. So far, little is known about the expression of the mitochondrial complex I (NADH:ubiquinone oxidoreductase) subunits in clear-cell renal-cell carcinoma (ccRCC). MATERIALS AND METHODS: An expression profile of the mitochondrial complex I subunits was determined using the NextBio database. Subsequently, the expression of selected subunits was experimentally validated on mRNA (quantitative real-time polymerase chain reaction) and protein (Western blot analysis, immunohistochemistry) level...
December 1, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28052770/a-systematic-search-strategy-identifies-cubilin-as-independent-prognostic-marker-for-renal-cell-carcinoma
#4
Gabriela Gremel, Dijana Djureinovic, Marjut Niinivirta, Alexander Laird, Oscar Ljungqvist, Henrik Johannesson, Julia Bergman, Per-Henrik Edqvist, Sanjay Navani, Naila Khan, Tushar Patil, Åsa Sivertsson, Mathias Uhlén, David J Harrison, Gustav J Ullenhag, Grant D Stewart, Fredrik Pontén
BACKGROUND: There is an unmet clinical need for better prognostic and diagnostic tools for renal cell carcinoma (RCC). METHODS: Human Protein Atlas data resources, including the transcriptomes and proteomes of normal and malignant human tissues, were searched for RCC-specific proteins and cubilin (CUBN) identified as a candidate. Patient tissue representing various cancer types was constructed into a tissue microarray (n = 940) and immunohistochemistry used to investigate the specificity of CUBN expression in RCC as compared to other cancers...
January 4, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28050384/inflammatory-myofibroblastic-tumor-of-the-kidney-a-rare-renal-tumor
#5
Alvin Jose Pothadiyil, Suresh Bhat, Fredrick Paul, Jithesh Mampatta, Mahesh Srinivas
Inflammatory Myofibroblastic Tumour (IMT) or 'pseudotumour' of the kidney is a rare benign tumour of unknown aetiology affecting mostly young adults. A subset of IMT is neoplastic and harbours translocations of activin receptor-like kinase-1 (ALK-1) gene and can recur or rarely metastasize. Presentation varies from an incidentaloma to gross haematuria. Clinical examination and radiological investigations are usually inconclusive. Often, biopsy is inconclusive necessitating a management similar to that of Renal Cell Cancer (RCC)...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28035577/c-met-in-chromophobe-renal-cell-carcinoma
#6
Franziska Erlmeier, Philipp Ivanyi, Arndt Hartmann, Michael Autenrieth, Max Wiedemann, Wilko Weichert, Sandra Steffens
c-Met plays a role as a prognostic marker in clear cell renal cell carcinoma. In addition, recently the tyrosine kinase inhibitor cabozantinib targeting c-Met was approved for the treatment of advanced renal cell carcinoma (RCC). In contrast to clear cell RCC, little is known about c-Met expression patterns in rarer RCC subtypes. The aim of this study was to evaluate the prevalence, distribution and prognostic impact of c-Met expression on chromophobe (ch)RCC. Patients who underwent renal surgery due to chRCC were retrospectively evaluated...
February 2017: Medical Oncology
https://www.readbyqxmd.com/read/28011500/a-study-of-angiogenesis-markers-in-patients-with-renal-cell-carcinoma-undergoing-therapy-with-sunitinib
#7
Clive Stubbs, Antonio D Bardoli, Mehran Afshar, Sarah Pirrie, Manuela Miscoria, Isabella Wheeley, Emilio Porfiri
BACKGROUND: Sunitinib is a tyrosine kinase inhibitor (TKI) targeting tumour angiogenesis in patients with advanced renal cell carcinoma (RCC). Currently no universally agreed model exists correlating the expression of angiogenesis markers with the success of treatment. PATIENTS AND METHODS: We retrospectively analysed archival tissue for 59 RCC patients treated with sunitinib. The expression of angiogenesis markers VEGF-A, VEGFR, PDGFββ, PDGFR, CCND1 and CA9 was assessed by immunohistochemistry (IHC) and correlated with overall survival (OS) and progression-free survival (PFS)...
January 2017: Anticancer Research
https://www.readbyqxmd.com/read/28009604/renal-cell-carcinoma-with-chromosome-6p-amplification-including-the-tfeb-gene-a-novel-mechanism-of-tumor-pathogenesis
#8
Sean R Williamson, David J Grignon, Liang Cheng, Laura Favazza, Dibson D Gondim, Shannon Carskadon, Nilesh S Gupta, Dhananjay A Chitale, Shanker Kalyana-Sundaram, Nallasivam Palanisamy
Amplification of chromosome 6p has been implicated in aggressive behavior in several cancers, but has not been characterized in renal cell carcinoma (RCC). We identified 9 renal tumors with amplification of chromosome 6p including the TFEB gene, 3 by fluorescence in situ hybridization, and 6 from the Cancer Genome Atlas (TCGA) databases. Patients' ages were 28 to 78 years (median, 61 y). Most tumors were high stage (7/9 pT3a, 2/9 pN1). Using immunohistochemistry, 2/4 were positive for melanocytic markers and cathepsin K...
December 22, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28005510/case-237-renal-cell-carcinoma-with-osseous-metaplasia
#9
Billy Ming Hei Lai, Solomon Yig Joon Ka, Wai Kuen Kan, Man Wah Lam, Tang Fei Lee, Yun Hoi Lui, Jennifer Lai San Khoo
History A 47-year-old man presented with palpitations and decreased exercise tolerance. A peripheral blood smear revealed anemia, thrombocytopenia, and blast cells, and a diagnosis of acute myeloid leukemia was made. Immunohistochemistry revealed positivity for cluster of differentiation (or CD) markers, which have been reported to be associated with an increased risk of extramedullary leukemic involvement. Thus, contrast material-enhanced computed tomography (CT) of the thorax, abdomen, and pelvis was requested to enable exclusion of any extramedullary extension of leukemia...
January 2017: Radiology
https://www.readbyqxmd.com/read/27989785/prognostic-value-of-vascular-endothelial-growth-factor-vegf-vegf-receptor-2-platelet-derived-growth-factor-%C3%AE-pdgf-%C3%AE-and-pdgf-%C3%AE-receptor-expression-in-papillary-renal-cell-carcinoma
#10
Myong Kim, Mooyoung Sohn, Myungsun Shim, Seung-Kwon Choi, Myungchan Park, Eunna Kim, Heounjeong Go, Yangsoon Park, Yong Mee Cho, Jae Y Ro, In Gab Jeong, Cheryn Song, Jun Hyuk Hong, Choung-Soo Kim, Hanjong Ahn
The Prognostic value of the expression of vascular endothelial growth factor (VEGF), VEGF receptor 2 (VEGFR2), platelet-derived growth factor (PDGF)-β, and PDGF receptor (PDGFR)-β in papillary renal cell carcinoma (pRCC) is unknown. A total of 145 patients, who were confirmed to have pRCC, were analyzed. Expression levels of molecular markers were assessed via immunohistochemistry. The median follow-up period for all patients was 52.0 (interquartile range, 34.5-90.5) months. Among the cohort of 145 patients, high VEGF expression was observed in 100 (69...
December 15, 2016: Human Pathology
https://www.readbyqxmd.com/read/27980050/in-vivo-pet-imaging-of-the-cancer-integrin-%C3%AE-v%C3%AE-6-using-gallium-68-labelled-cyclic-rgd-nonapeptides
#11
Johannes Notni, Dominik Reich, Oleg V Maltsev, Tobias G Kapp, Katja Steiger, Frauke Hoffmann, Irene Esposito, Wilko Weichert, Horst Kessler, Hans-Jürgen Wester
: Expression of the cellular transmembrane receptor αvβ6 integrin is essentially restricted to malignant epithelial cells in carcinomas of a broad variety of lineages, while it is virtually absent in normal adult tissues. Thus, it is a highly attractive target for tumor imaging and therapy. Furthermore, αvβ6 integrin plays an important role for the epithelial-mesenchymal interaction and the development of fibrosis. METHODS: On the basis of the Gallium-68 chelators TRAP (triazacyclononane-triphosphinate) and NODAGA, we synthesized mono- di- and trimeric conjugates of the αvβ6 integrinselective peptide cyclo(FRGDLAFp(NMe)K) via click chemistry (CuAAC)...
December 15, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27932890/high-expression-of-hmga2-predicts-poor-survival-in-patients-with-clear-cell-renal-cell-carcinoma
#12
Ning Na, Tujie Si, Zhengyu Huang, Bin Miao, Liangqing Hong, Heng Li, Jiang Qiu, Jianguang Qiu
High-mobility group AT-hook 2 (HMGA2) is involved in a wide spectrum of biological processes and is upregulated in several tumors, but its role in renal carcinoma remains unclear. The aim of this study was to examine the expression of HMGA2 and its relationship to the overall survival (OS) of patients with non-metastatic clear cell renal cell carcinoma (ccRCC) following surgery. The expression of HMGA2 was evaluated retrospectively by immunohistochemistry (IHC) in 162 patients with ccRCC who underwent nephrectomy in 2003 and 2004...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27932168/spindle-cell-lipoma-in-an-end-stage-renal-allograft-case-report
#13
Z Zhao, S Selvarajan, A L S Tiong, T H Lim, L Y Khor
BACKGROUND: Spindle cell lipoma is an uncommon variant of lipoma and usually occurs as a solitary, subcutaneous, and well circumscribed lesion in the posterior neck, shoulders, and back of older men. Primary renal lipomas are rarely reported. Spindle cell lipoma in the kidney has not been previously described in the literature. CASE REPORT: A 60-year-old Chinese man suffered graft failure 10 years after living related donor kidney transplantation. During cancer surveillance, he was found to have a mass in the renal allograft, which increased in size and was suspicious for renal cell carcinoma on computerized tomographic scan...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27927654/expression-of-sodium-dependent-dicarboxylate-transporter-1-nadc1-slc13a2-in-normal-and-neoplastic-human-kidney
#14
Hyun-Wook Lee, Mary E Handlogten, Gunars Osis, William L Clapp, Dara N Wakefield, Jill W Verlander, I David Weiner
Regulated dicarboxylate transport is critical for acid-base homeostasis, prevention of calcium nephrolithiasis, regulation of collecting duct sodium chloride transport and the regulation of blood pressure. Although luminal dicarboxylate reabsorption via NaDC1 (SLC13A2) is believed to be the primary mechanism regulating renal dicarboxylate transport, the specific localization of NaDC1 in the human kidney is currently unknown. This study's purpose was to determine NaDC1's expression in normal and neoplastic human kidneys...
December 7, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27910947/renal-cell-carcinoma-with-tfe3-translocation-and-succinate-dehydrogenase-b-mutation
#15
Anna Calió, David J Grignon, Bradley A Stohr, Sean R Williamson, John N Eble, Liang Cheng
Translocation renal cell carcinoma and succinate dehydrogenase (SDH)-deficient renal cell carcinoma are now recognized as specific renal tumor types in the World Health Organization (WHO) classification. Both have limited immunohistochemical positivity for epithelial markers, and the spectrum of morphology continues to widen for both of these entities. We identified four renal cell carcinomas with positive TFE3 immunohistochemical staining and negative SDHB staining. The patients (2F, 2M) ranged in age from 19 to 65 years...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27906674/nuclear-localization-of-the-ck2%C3%AE-subunit-correlates-with-poor-prognosis-in-clear-cell-renal-cell-carcinoma
#16
Maj Rabjerg, Barbara Guerra, Aida Oliván-Viguera, Minne Line Nedergaard Mikkelsen, Ralf Köhler, Olaf-Georg Issinger, Niels Marcussen
Protein kinase CK2α, one of the two catalytic isoforms of the protein kinase CK2 has been shown to contribute to tumor development, tumor proliferation and suppression of apoptosis in various malignancies. We conducted this study to investigate CK2 expression in different subtypes of Renal Cell Carcinoma (RCC) and in the benign oncocytoma. qRT-PCR, immunohistochemistry and Western blot analyses revealed that CK2α expression was significantly increased at the mRNA and protein levels in clear cell RCC (ccRCC)...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27893792/renal-cell-carcinoma-associated-with-xp11-2-translocation-tfe3-gene-fusions-clinical-features-treatments-and-prognosis
#17
Ning Liu, Zhen Wang, Weidong Gan, Lei Xiong, Baolei Miao, Xiancheng Chen, Hongqian Guo, Dongmei Li
To investigate the clinical characteristics, treatments and prognosis of renal cell carcinoma associated with Xp11.2 translocation/TFE3 gene fusions (Xp11.2 tRCC), the epidemiological features and treatment results of 34 cases of Xp11.2 tRCC, which were diagnosed by immunohistochemistry staining of TFE3 and fluorescence in situ hybridization at our center, were retrospectively reviewed. The 34 patients included 21 females and 13 males aged 3 to 64 years (median age: 27 years). Four patients were children or adolescents (<18 years of age), and 26 patients were young or middle-aged adults (18-45 years)...
2016: PloS One
https://www.readbyqxmd.com/read/27878266/cantharidin-induces-g2-m-arrest-and-triggers-apoptosis-in-renal-cell-carcinoma
#18
Yu Ren, Shu-Wei Zhang, Zhen-Hua Xie, Xiao-Ming Xu, Liang-Liang Chen, Zhong-Guan Lou, Guo-Bin Weng, Xu-Ping Yao
The present study aimed to investigate the effects of cantharidin on cell cycle distribution, the induction of apoptosis, and Notch1 and Jagged1 expression in ACHN and Caki‑1 renal cancer cells. Cell viability assay, flow cytometry, cell cycle and western blot analyses were performed for ACHN and Caki‑1 cells. Immunohistochemistry was used to analyze the expression of Notch1 and Jagged1 in RCC tissues The results demonstrated that treatment with cantharidin exerted a dose‑ and time‑dependent effect on cell viability, apoptosis induction and G2/M phase cell cycle arrest...
December 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27865795/hepatic-angiomyolipomas-may-overexpress-tfe3-but-have-no-relevant-genetic-alterations
#19
Naoe Jimbo, Takashi Nishigami, Masayuki Noguchi, Hiroko Iijima, Seiichi Hirota, Takuma Tajiri, Takeshi Inoue, Takanori Hirose, Tomoo Itoh, Yoh Zen
The fusion or amplification of TFE3 has been identified as one of the molecular events underlying tumorigenesis in perivascular epithelioid cell tumors (PEComas). TFE3 rearrangements in PEComas are related to the morphological features of the epithelioid appearance and weaker expression of immunohistochemical muscular markers. This study aimed to clarify whether these genetic alterations are involved in hepatic angiomyolipomas (AMLs), which are a member of the PEComa tumor family. We examined 28 liver specimens (15 biopsies and 13 surgical specimens) of hepatic AMLs obtained from 26 patients...
November 16, 2016: Human Pathology
https://www.readbyqxmd.com/read/27852814/spontaneous-proliferative-and-neoplastic-lesions-in-thyroid-and-parathyroid-glands-of-nondomestic-felids
#20
Jenny P Pope, James Steeil, Edward C Ramsay, Danielle Reel, Shelley J Newman
Based on microscopic and immunohistochemical characterization, we documented spontaneous proliferative and neoplastic lesions in the thyroid and parathyroid glands of nondomestic felids. Ten animals (4 leopards, 3 tigers, and 3 cougars), all with a previous diagnosis of thyroid neoplasia were identified from the University of Tennessee College of Veterinary Medicine database. The mean age of affected animals was 15.9 y. Twelve neoplasms were identified; 2 animals had 2 concurrent neoplasms. After immunohistochemical characterization using a panel of chromogranin A, thyroglobulin, and calcitonin, 7 of the former thyroid neoplasms were diagnosed as thyroid adenomas, 1 was diagnosed as a thyroid carcinoma, and 4 were diagnosed as parathyroid adenomas...
November 15, 2016: Journal of Veterinary Diagnostic Investigation
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