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Clear cell carcinoma

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https://www.readbyqxmd.com/read/28448860/a-unique-presentation-of-renal-cell-transformation-into-renal-cell-carcinoma-in-subcutaneous-fatty-tissue-post-twenty-year-old-healing-gun-shot-wound-a-case-report
#1
Awadh R Alqahtani, Mohammed A Alqahtani
INTRODUCTION: Renal cell carcinoma (RCC) is the most common malignancy in the genitourinary tract, and is among the 10 most common cancers in both males and females. PRESENTATION OF CASE: We report a case of a 61-year-old male who presented with a cutaneous lesion on his left back side at a site where he had undergone several surgeries - including Left nephrectomy - twenty years ago for a gun-shot wound he sustained which penetrated his abdomen. DISCUSSION: At that time pathology reports turned out to be normal, specially left kidney pathology report which was negative for any malignancy...
March 21, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28447208/squamous-cell-carcinoma-of-the-lung-associated-with-anti-jo1-antisynthetase-syndrome-a-case-report-and-review-of-the-literature
#2
REVIEW
G Boleto, J-M Perotin, J-P Eschard, J-H Salmon
Antisynthetase syndrome is a heterogeneous idiopathic inflammatory myopathy. Anti-Jo1 is the most common antibody found in this condition. Dermatomyositis is known to be associated with malignancy, but the association between antisynthetase syndrome and malignancy is not clearly established. We report a case of an association of squamous cell carcinoma of the lung and anti-Jo1 antisynthetase syndrome. A 67-year-old man presented with polyarthritis, muscle weakness of the pelvic girdle, "mechanic's hands," and weight loss...
April 26, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28445125/intratumoral-heterogeneity-analysis-reveals-hidden-associations-between-protein-expression-losses-and-patient-survival-in-clear-cell-renal-cell-carcinoma
#3
Wei Jiang, Essel Dulaimi, Karthik Devarajan, Theodore Parsons, Qiong Wang, Raymond O'Neill, Charalambos Solomides, Stephen C Peiper, Joseph R Testa, Robert Uzzo, Haifeng Yang
Intratumoral heterogeneity (ITH) is a prominent feature of kidney cancer. It is not known whether it has utility in finding associations between protein expression and clinical parameters. We used ITH that is detected by immunohistochemistry (IHC) to aid the association analysis between the loss of SWI/SNF components and clinical parameters.160 ccRCC tumors (40 per tumor stage) were used to generate tissue microarray (TMA). Four foci from different regions of each tumor were selected. IHC was performed against PBRM1, ARID1A, SETD2, SMARCA4, and SMARCA2...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28443465/bauerenol-a-triterpenoid-from-indian-suregada-angustifolia-induces-reactive-oxygen-species-mediated-p38mapk-activation-and-apoptosis-in-human-hepatocellular-carcinoma-hepg2-cells
#4
Perumal Sathish Kumar, Madepalli Byrappa Gowdu Viswanathan, Muthappan Venkatesan, Kedike Balakrishna
The triterpenoid, bauerenol, from Suregada angustifolia (Baill. ex Muell.-Arg.) Airy Shaw (Euphorbiaceae) was screened for anti-cancer property using hepatocellular carcinoma cell line, HepG2. Bauerenol exhibited growth inhibitory and apoptosis inducing potential against HepG2 cancer cells. 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide cytotoxic assay revealed that bauerenol treatment significantly reduced the growth of HepG2 cells in a time- and dose-dependent manner with 50% growth inhibitory concentration doses of 45 and 25 µg/mL at 24 and 48 h treatments, respectively...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28443461/mir-1202-functions-as-a-tumor-suppressor-in-glioma-cells-by-targeting-rab1a
#5
Yu Quan, Qian Song, Jvbo Wang, Lingyu Zhao, Jian Lv, Shouping Gong
Aberrant expression of microRNAs correlates with the development and progression of human cancers by targeting downstream proteins. MiR-1202 is downregulated in ovarian cancer and clear cell papillary renal cell carcinoma; however, its role in glioma remains unknown. The purpose of this study was to determine the expression and the role of miR-1202 and to elucidate its regulatory mechanism in glioma. We used quantitative real-time polymerase chain reaction to measure miR-1202 expression in both glioma tissues and cell lines...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28440973/histochemical-and-immunohistochemical-study-of-%C3%AE-sma-collagen-and-pcna-in-epithelial-ovarian-neoplasm
#6
Nungki Anggorowati, Chatarina Ratna Kurniasari, Karina Damayanti, Titik Cahyanti, Irianiwati Widodo, Ahmad Ghozali, Muhammad Mansyur Romi, Dwi Cahyani Ratna Sari, Nur Arfian
Background: Alpha-smooth muscle actin (α-SMA) is an isoform of actin, positive in myofibroblasts and is an epithelial to mesenchymal transition (EMT) marker. EMT is a process by which tumor cells develop to be more hostile and able to metastasize. Progression of tumor cells is always followed by cell composition and extracellular matrix component alteration. Increased α-SMA expression and collagen alteration may predict the progressivity of ovarian neoplasms. Objective: The aim of this research was to analyse the characteristic of α-SMA and collagen in tumor cells and stroma of ovarian neoplasms...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440439/microrna-26a-inhibits-proliferation-and-metastasis-of-human-hepatocellular-carcinoma-by-regulating-dnmt3b-meg3-axis
#7
Yarui Li, Mudan Ren, Yan Zhao, Xinlan Lu, Mengyao Wang, Junbi Hu, Guifang Lu, Shuixiang He
miR-26a is known to play an important oncosuppressive role in HCC. However, its regulatory role and relationship with other non-coding RNAs is less clear. In the present study, we report that the expression levels of miR-26a and long non-coding RNA (lncRNA) maternally expressed gene 3 (MEG3) were frequently downregulated in HCC tissues compared to matched non-malignant tissues. In addition, the expression levels of miR-26a and MEG3 were negatively correlated with the tumor sizes and TNM clinical stage in HCC patients...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28438620/expression-of-protease-activated-receptor-2-par-2-is-related-to-advanced-clinical-stage-and-adverse-prognosis-in-ovarian-clear-cell-carcinoma
#8
Murasaki Aman, Yoshihiro Ohishi, Hiroko Imamura, Tomoko Shinozaki, Nobuko Yasutake, Kiyoko Kato, Yoshinao Oda
Recent studies demonstrated that Protease-activated receptor-2 (PAR-2) correlates with tumor progression in various tissues. On the other hand, oxidative stress arising from endometriosis has been considered a cause of carcinogenesis in ovarian clear cell carcinoma (OCCC). We previously demonstrated that oxidative stress upregulates PAR-2 expression, and we conducted the present study to investigate the PAR-2 expression and its relation to clinicopathological factors and oxidative stress in OCCC. We performed an immunohistochemical evaluation in 95 cases of OCCC...
April 21, 2017: Human Pathology
https://www.readbyqxmd.com/read/28436948/mitochondrial-elongation-mediated-glucose-metabolism-reprogramming-is-essential-for-tumour-cell-survival-during-energy-stress
#9
J Li, Q Huang, X Long, X Guo, X Sun, X Jin, Z Li, T Ren, P Yuan, X Huang, H Zhang, J Xing
To date, mechanisms of tumour cell survival under energy stress are not well understood. Cumulative evidence is beginning to reveal that specific mitochondrial morphologies are often associated with energetic states and survival of cells. However, the functional roles of mitochondria in the metabolic adaptation of tumour cells to energy stress remain to be elucidated. In this study, we first investigated the changes in mitochondrial morphology induced by nutrition deprivation in tumour cells, and the underlying molecular mechanism...
April 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28436368/-pseudo-pseudoaneurysm-following-robotic-assisted-partial-nephrectomy
#10
Eric Schommer, Julio Gundian, David D Thiel
A 65-year-old female presented to clinic requesting follow up for a history of right robotic partial nephrectomy done at an outside institution 2 years prior. Initial pathology demonstrated a grade 2/4 3.4 cm clear cell renal cell carcinoma with negative margins. There was no tumor necrosis, sarcomatoid differentiation, or lymphovascular invasion. High quality follow up imaging initially revealed a pseudoaneurysm in the central portion of the right kidney. The patient was sent to interventional radiology for angioembolization...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28435529/-18-f-labeled-pyrido-3-4-d-pyrimidine-as-an-effective-probe-for-imaging-of-l858r-mutant-epidermal-growth-factor-receptor
#11
Hiroyuki Kimura, Haruka Okuda, Masumi Ishiguro, Kenji Arimitsu, Akira Makino, Ryuichi Nishii, Anna Miyazaki, Yusuke Yagi, Hiroyuki Watanabe, Ikuo Kawasaki, Masahiro Ono, Hideo Saji
In nonsmall-cell lung carcinoma patients, L858R mutation of epidermal growth factor receptor (EGFR) is often found, and molecular target therapy using EGFR tyrosine kinase inhibitors is effective for the patients. However, the treatment frequently develops drug resistance by secondary mutation, of which approximately 50% is T790M mutation. Therefore, the ability to predict whether EGFR will undergo secondary mutation is extremely important. We synthesized a novel radiofluorinated 4-(anilino)pyrido[3,4-d]pyrimidine derivative ([(18)F]APP-1) and evaluated its potential as a positron emission tomography (PET) imaging probe to discriminate the difference in mutations of tumors...
April 13, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28435451/ahnak2-is-a-novel-prognostic-marker-and-oncogenic-protein-for-clear-cell-renal-cell-carcinoma
#12
Minglei Wang, Xuefeng Li, Jin Zhang, Qiong Yang, Wenqi Chen, Weilin Jin, Yi-Ran Huang, Ru Yang, Wei-Qiang Gao
Integrative database analysis was performed to identify novel candidate oncogene AHNAK2 overexpressed in clear cell renal cell carcinoma (ccRCC). However, the function of AHNAK2 in cancer cells is currently unknown. In this study, we first confirmed the upregulation of AHNAK2 in ccRCC tissues compared with adjacent normal tissues in 15 pairs of samples. Then we analyzed AHNAK2 expression in a large cohort of ccRCC patient samples (n = 355), and found that up-regulation of AHNAK2 was positively correlated with tumor progression and poor survival (p = 0...
2017: Theranostics
https://www.readbyqxmd.com/read/28435289/long-noncoding-rna-nbat-1-suppresses-tumorigenesis-and-predicts-favorable-prognosis-in-ovarian-cancer
#13
Changsheng Yan, Yi Jiang, Yicong Wan, Lin Zhang, Jinhui Liu, Shulin Zhou, Wenjun Cheng
Long noncoding RNA (lncRNA) has been proven to be involved in many biological processes in ovarian cancer (OC). However, the mechanism still remains unknown. In this study, we screened significantly downregulated NBAT-1, which has been proven to play a significant role in breast cancer, clear cell renal cell carcinoma, and neuroblastoma, but not in OC, in two independent datasets with relatively more samples (GSE18520 and GSE38666) from Gene Expression Omnibus. We found that lncRNA NBAT-1 was obviously downregulated in OC tissue compared to normal ovarian tissue (P<0...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28434874/unusual-isolated-pelvic-metastasis-from-a-clear-cell-hepatocellular-carcinoma-demonstrated-on-18-f-fdg-pet-ct-after-liver-transplantation
#14
R Zhang, J Tan, G Zhang, R Wang, Q Jia
No abstract text is available yet for this article.
April 20, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28434400/role-of-modern-immunotherapy-in-gastrointestinal-malignancies-a-review-of-current-clinical-progress
#15
REVIEW
Zin W Myint, Gaurav Goel
Gastrointestinal (GI) cancers are a group of highly aggressive malignancies with a huge disease burden worldwide. There is clearly a significant unmet need for new drugs and therapies to further improve the treatment outcomes of GI malignancies. Immunotherapy is a novel treatment strategy that is emerging as an effective and promising treatment option against several types of cancers. CTLA-4 and PD-1 are critical immune checkpoint molecules that negatively regulate T cell activation via distinct mechanisms...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28433634/dual-sphingosine-kinase-inhibitor-ski-ii-enhances-sensitivity-to-5-fluorouracil-in-hepatocellular-carcinoma-cells-via-suppression-of-osteopontin-and-fak-igf-1r-signalling
#16
Petra Grbčić, Ivana Tomljanović, Marko Klobučar, Sandra Kraljević Pavelić, Ksenija Lučin, Mirela Sedić
Hepatocellular carcinoma (HCC) represents the third leading cause of cancer-related deaths globally. Although 5-Fluorouracil (5-FU) is used as the first choice treatment for advanced HCC, it exerts poor efficacy and is associated with acquired and intrinsic resistance. Sphingosine kinases (Sphk) 1 and 2 play tumour-promoting roles in different cancer types including HCC and thus represent promising pharmacological targets. In the present study, we have investigated for the first time the anticancer efficacy and underlying molecular mechanisms of combined administration of 5-FU and dual Sphk1/Sphk2 inhibitor SKI-II (4-[[4-(4-chlorophenyl)-1,3-thiazol-2-yl]amino]phenol) in HepG2 hepatocellular carcinoma cells...
April 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#17
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28432616/prognostic-impact-of-pd-1-and-its-ligands-in-renal-cell-carcinoma
#18
REVIEW
Franziska Erlmeier, Wilko Weichert, Andres Jan Schrader, Michael Autenrieth, Arndt Hartmann, Sandra Steffens, Philipp Ivanyi
Programmed death-1 receptor (PD-1) and programmed death-1 receptor-ligand (PD-L1) have been suggested to play a role as prognostic markers in clear cell renal cell carcinoma (ccRCC). The association between PD-L1 and prognosis seems to be more robust than for PD-1. Further, preliminary analyses suggest that neither PD-1 nor its ligands play a role as prognostic markers in non-clear cell RCC, while the prognostic role of PD-L2 in ccRCC as well as in non-clear cell RCC remains unclear.
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28430711/evaluation-of-kdr-rs34231037-as-a-predictor-of-sunitinib-efficacy-in-patients-with-metastatic-renal-cell-carcinoma
#19
María Apellániz-Ruiz, Meta H Diekstra, Juan M Roldán, Epie Boven, Daniel Castellano, Hans Gelderblom, Ron H J Mathijssen, Jesse J Swen, Stefan Böhringer, Jesús García-Donás, Brian I Rini, Henk-Jan Guchelaar, Cristina Rodríguez-Antona
The identification of biomarkers able to predict clinical benefit from vascular endothelial growth factor receptor (VEGFR) tyrosine kinase inhibitors is urgently needed. Recently, Maitland and colleagues described an association between KDR-rs34231037 and soluble VEGFR2 levels as well as pazopanib pharmacodynamics. We investigated in a well-characterized series of metastatic clear cell renal cell carcinoma patients whether rs34231037 could influence sunitinib response. Clinical data and DNA were available from an international series of 276 patients...
April 20, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28430163/long-non-coding-rnas-key-regulators-of-epithelial-mesenchymal-transition-tumour-drug-resistance-and-cancer-stem-cells
#20
REVIEW
Richard Heery, Stephen P Finn, Sinead Cuffe, Steven G Gray
Epithelial mesenchymal transition (EMT), the adoption by epithelial cells of a mesenchymal-like phenotype, is a process co-opted by carcinoma cells in order to initiate invasion and metastasis. In addition, it is becoming clear that is instrumental to both the development of drug resistance by tumour cells and in the generation and maintenance of cancer stem cells. EMT is thus a pivotal process during tumour progression and poses a major barrier to the successful treatment of cancer. Non-coding RNAs (ncRNA) often utilize epigenetic programs to regulate both gene expression and chromatin structure...
April 21, 2017: Cancers
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