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Clear cell carcinoma

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https://www.readbyqxmd.com/read/29221492/elevated-serum-%C3%AE-2-microglobulin-in-individuals-coinfected-with-hepatitis-b-and-hepatitis-d-virus-in-a-rural-settings-in-southwest-nigeria
#1
Lawrence Ehis Okoror, Ayodele Oluwaseun Ajayi, Oluwaseun Benjamin Ijalana
OBJECTIVE: Coinfection of hepatitis B virus (HBV) with hepatitis D virus (HDV) has being reported to increase severity of progression to hepatocellular carcinoma (HCC) and liver cirrhosis (LC). Beta microglobulin (2βM) which is present on the surfaces of blood cells in acceptable levels is a tumor marker which may become elevated in disease conditions. This study hence observed the prevalence of HBV and HDV coinfection in a rural population and their 2βM concentration. RESULTS: Of the 368 samples, 66 (17...
December 8, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29218663/laparoscopic-extended-cholecystectomy-for-t3-gallbladder-cancer
#2
Sungho Kim, Yoo-Seok Yoon, Ho-Seong Han, Jai Young Cho, YoungRok Choi
BACKGROUND: Gallbladder cancer (GBC) has been contraindicated for laparoscopic surgery since this procedure was introduced [1, 2]. Recently, however, there have been several reports of laparoscopic extended cholecystectomy for GBC, but most cases involved early GBC confined to the GB [3, 4]. This video describes our technique of laparoscopic extended cholecystectomy for T3 GBC. METHODS: A 77-year-old female presented with a gallbladder mass, which was incidentally detected during evaluation of back pain...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29218457/phenotypical-change-of-tumor-associated-macrophages-in-metastatic-lesions-of-clear-cell-renal-cell-carcinoma
#3
Takanobu Motoshima, Yuji Miura, Nanako Wakigami, Natsuki Kusada, Toshimi Takano, Naoko Inoshita, Toshikazu Okaneya, Yutaka Sugiyama, Tomomi Kamba, Motohiro Takeya, Yoshihiro Komohara
Macrophages are the main immune cells of the tumor microenvironment in clear cell renal cell carcinoma (ccRCC). A high density of CD163+ or CD204+ tumor-associated macrophages (TAMs), rather than the density of total TAMs, is known to be linked to poor clinical outcome. In the present study, we investigated the phenotypical differences between the paired primary and metastatic lesions in ccRCC cases. Using immunostaining, the densities of CD163+ and CD204+ TAMs in metastatic lesions were found to be significantly lower compared to primary lesions, although the total number of TAMs was increased in metastatic lesions...
December 7, 2017: Medical Molecular Morphology
https://www.readbyqxmd.com/read/29218250/evaluation-of-the-role-of-downregulation-of-snf5-ini1-core-subunit-of-swi-snf-complex-in-clear-cell-renal-cell-carcinoma-development
#4
Elzbieta Sarnowska, Michal Szymanski, Nataliia Rusetska, Marcin Ligaj, Iga Jancewicz, Pawel Cwiek, Marta Skrodzka, Marcin Leszczynski, Joanna Szarkowska, Alicja Chrzan, Malgorzata Stachowiak, Jaroslaw Steciuk, Anna Maassen, Lech Galek, Tomasz Demkow, Janusz A Siedlecki, Tomasz J Sarnowski
Clear cell renal cell carcinoma (ccRCC) is characterized by stabilization of hypoxia-inducible factor (HIF1), and mutations in von Hippel-Lindau (VHL) gene. Additionally, in about 40% of ccRCC cases the mutation in PBRM1 (POLYBROMO1) gene coding for a non-core subunit of SWI/SNF chromatin remodeling complex was found suggesting potential impairment of this complex function in ccRCC. In this study we assessed the extent to which the core SWI/SNF complex subunit - INI1 (hSNF5/SMARCB1) is affected in ccRCC and whether it has any consequences on the development of this type of cancer...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29217346/hydrochlorothiazide-use-and-risk-of-non-melanoma-skin-cancer-a-nationwide-case-control-study-from-denmark
#5
Sidsel Arnspang, David Gaist, Sigrun Alba Johannesdottir Schmidt, Lisbet Rosenkrantz Hölmich, Søren Friis, Anton Pottegård
BACKGROUND: Hydrochlorothiazide, one of the most frequently used diuretic and antihypertensive drugs in the United States and Western Europe, is photosensitizing and has previously been linked to lip cancer. OBJECTIVE: To examine the association between hydrochlorothiazide use and the risk of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). METHODS: From the Danish Cancer Registry, we identified patients (cases) with NMSC during 2004-2012...
November 30, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29217083/hyalinizing-clear-cell-carcinoma-of-salivary-gland-origin-in-the-head-and-neck-clinical-and-histopathological-analysis
#6
X-H Yang, L Liu, Y-Y Shi, Y-J Hu, Q-G Hu, P Zhang
Hyalinizing clear cell carcinoma (HCCC) is an extremely rare neoplasm of salivary gland origin with a low-grade indolent nature. It is difficult to distinguish from other malignant salivary gland tumours. Clinical outcomes following surgery are generally reported as good. The aim of this study was to further determine the features of HCCC. This study was approved by Medical ethics review of affiliated hospital of jiangsu university. Fourteen new cases of HCCC are reported. The clinical and histopathological data of these 14 cases were analysed alongside those of 141 cases identified in a systematic review of the literature (up to 2016)...
December 4, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29215721/the-biological-roles-and-clinical-implications-of-micrornas-in-clear-cell-renal-cell-carcinoma
#7
REVIEW
Ying-Hua He, Chen Chen, Zheng Shi
Clear cell renal cell carcinoma (ccRCC) accounts for about 3% of tumors in adults as well as 85% of all primary renal carcinoma. And it is the third most predominant urological carcinoma, but it has the maximum mortality rate. Early diagnosis and proper follow-up of ccRCC patients may improve the prognosis of the illness. Thus, it is imperative to understand the new biomarkers of ccRCC and study new method for the modern therapy of this deadly disease. Furthermore, a large number of microRNAs (miRNAs), small non-coding RNAs, have been relevant to tumor type, stage, or survival and miRNAs might be progressed as the markers of diagnosis or prognosis in ccRCC...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29215599/systematic-analysis-of-transcriptomic-profile-of-renal-cell-carcinoma-under-long-term-hypoxia-using-next-generation-sequencing-and-bioinformatics
#8
Szu-Chia Chen, Feng-Wei Chen, Ya-Ling Hsu, Po-Lin Kuo
Patients with clear cell renal cell carcinoma (ccRCC) are often diagnosed with both von Hippel-Lindau (VHL) mutations and the constitutive activation of hypoxia-inducible factor-dependent signaling. In this study, we investigated the effects of long-term hypoxia in 786-O, a VHL-defective renal cell carcinoma cell line, to identify potential genes and microRNAs associated with tumor malignancy. The transcriptomic profiles of 786-O under normoxia, short-term hypoxia and long-term hypoxia were analyzed using next-generation sequencing...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29215458/recurrence-of-renal-cell-cancer-after-renal-transplantation-in-a-multicenter-french-cohort
#9
Noëlle Cognard, Dany Anglicheau, Philippe Gatault, Sophie Girerd, Marie Essig, Bruno Hurault de Ligny, Yann Le Meur, Franck Le Roy, Cyril Garrouste, Antoine Thierry, Charlotte Colosio, Joseph Rivalan, Johnny Sayegh, Gabriel Choukroun, Bruno Moulin, Sophie Caillard
BACKGROUND: Renal cancer accounts for 3% of adult malignancies; renal cell carcinoma (RCC) represents 80% of all renal cancers, and is characterized by late recurrences. Recurrences after kidney transplantation are associated with a high mortality rate. We aimed to determine if recurrences are linked to tumor characteristics and to delays between diagnosis and transplantation. METHODS: We retrospectively analyzed data from French kidney-transplanted patients with medical histories of pre-transplant renal cancer, focusing on the most common histological subtypes: clear cell and papillary cancers...
December 5, 2017: Transplantation
https://www.readbyqxmd.com/read/29214213/therapeutic-potential-of-arsenic-trioxide-ato-in-treatment-of-hepatocellular-carcinoma-role-of-oxidative-stress-in-ato-induced-apoptosis
#10
Erika B Dugo, Clement G Yedjou, Jacqueline J Stevens, Paul B Tchounwou
Hepatocellular carcinoma (HCC), the dominant form of primary liver cancer, is the sixth most common cancer in the world with more than 700,000 people diagnosed annually. Arsenic trioxide (ATO) has been shown to be a potent anticancer agent in various carcinomas, proving particularly effective in the clinical treatment of relapsed and refractory acute promyelocytic leukemia. However, its bioactivity and molecular mechanisms against HCC has not been fully studied. Using human HCC (HepG2) cells as a test model, we studied the effects of ATO and examined the role of oxidative stress (OS) and apoptosis in cytotoxicity...
2017: Annals of Clinical Pathology
https://www.readbyqxmd.com/read/29214011/long-non-coding-rna-h19-regulates-e2f1-expression-by-competitively-sponging-endogenous-mir-29a-3p-in-clear-cell-renal-cell-carcinoma
#11
Haowei He, Nana Wang, Xiaoming Yi, Chaopeng Tang, Dong Wang
Background: Numerous recent studies indicate that the long non-coding RNAs (lncRNAs) are frequently abnormal expressed and take critical roles in many cancers. Renal cell carcinoma is the secondary malignant tumors in the urinary system and has high mortality and morbidity. Around 80% of RCCs is clear cell renal cell carcinoma (ccRCC) and is characterized by high metastasis and relapse rate. However, the clinical significances of lncRNAs in ccRCC are still unknown. Methods: The human cancer lncRNA PCR array (Yingbio) was performed to detect the differentially expressed lncRNAs in human ccRCC samples...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/29212524/successful-management-of-retinal-metastasis-from-renal-cancer-with-everolimus-in-a-monophthalmic-patient-a-case-report
#12
Ismail Essadi, Issam Lalya, Mohamed Kriet, Abdelhamid El Omrani, Rhizlane Belbaraka, Mouna Khouchani
BACKGROUND: The retina is an uncommon site for metastases, in particular from solid tumors. Some authors have reported a recent increase in the incidence of metastases in infrequent sites, such as brain or bone, probably due to the expanded treatment options and the resulting improved survival. Choroidal metastasis is the most common type of intraocular malignancy. The most common primary sites associated with choroidal metastasis are breast cancer in women and lung cancer in men. Treatment options are limited, but they must be discussed and adapted to the patient profile...
December 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29212269/low-neighbor-of-brca1-gene-expression-predicts-poor-clinical-outcome-and-resistance-of-sunitinib-in-clear-cell-renal-cell-carcinoma
#13
Wen Xiao, Zhiyong Xiong, Changfei Yuan, Lin Bao, Di Liu, Xiong Yang, Wencheng Li, Junwei Tong, Yan Qu, Lei Liu, Haibing Xiao, Hongmei Yang, Xiaoping Zhang, Ke Chen
Objective: To study the expression of Neighbor of Brca1 gene (NBR1) in clear cell renal cell carcinoma (ccRCC), renal cancer cells and the chemoresistance cells and to elucidate its clinical prognostic and chemoresistance value. Materials and Methods: We screened the NBR1 mRNA in ccRCC from The Cancer Genome Atlas (TCGA) database and examined expression levels of NBR1 mRNA in 48 cases of ccRCC tissues, renal cancer cell lines and chemoresistance cells by qRT-PCR...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29211406/can-preoperative-neutrophil-lymphocyte-ratio-predict-malignancy-in-patients-undergoing-partial-nephrectomy-because-of-renal-mass
#14
Sacit Nuri Gorgel, Kutan Ozer, Osman Kose, Ahmet Selçuk Dindar
PURPOSE: To evaluate the importance of preoperative neutrophil lymphocyte ratio (NLR) predicting malignancy in patients who undergo partial nephrectomy due to renal mass. MATERIALS AND METHODS: Seventy nine patients who underwent open partial nephrectomy for renal masses were included in this retrospective study. In preoperative routine blood tests, renal ultrasonography and contrast-enhanced computed tomography were performed for all patients. Preoperative neutrophil lymphocyte ratio were compared in patients with clear cell renal cell carcinoma (Group1, 65 patients) and benign lesions (Group 2, 14 patients)...
December 7, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29209798/-two-synchronous-malignancies-in-a%C3%A2-single-nephrectomy-specimen
#15
J Hrudka, V Eis, J Šach, P Klézl, S Schilling, D Bandke
We report a case of a 65-year-old man examined for hematuria and neurologic symptoms. Radiologically a tumour of the kidney was suspected, with metastatic involvement of the brain and both lungs. The urologists then performed a cytoreductive nephrectomy.In histopathological examination of the nephrectomy specimen a clear cell renal cell carcinoma (clear cell RCC) was found. However, an additional focus of a high-grade adenocarcinoma was discovered that turned out to be a metastasis of a poor differentiated lung adenocarcinoma...
December 5, 2017: Der Pathologe
https://www.readbyqxmd.com/read/29209433/novel-insights-into-epigenetic-drivers-of-oropharyngeal-squamous-cell-carcinoma-role-of-hpv-and-lifestyle-factors
#16
REVIEW
Paolo Boscolo-Rizzo, Carlo Furlan, Valentina Lupato, Jerry Polesel, Elisabetta Fratta
In the last years, the explosion of high throughput sequencing technologies has enabled epigenome-wide analyses, allowing a more comprehensive overview of the oropharyngeal squamous cell carcinoma (OPSCC) epigenetic landscape. In this setting, the cellular pathways contributing to the neoplastic phenotype, including cell cycle regulation, cell signaling, DNA repair, and apoptosis have been demonstrated to be potential targets of epigenetic alterations in OPSCC. Of note, it has becoming increasingly clear that HPV infection and OPSCC lifestyle risk factors differently drive the epigenetic machinery in cancer cells...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/29209141/co-expression-network-analysis-identified-fcer1g-in-association-with-progression-and-prognosis-in-human-clear-cell-renal-cell-carcinoma
#17
Liang Chen, Lushun Yuan, Yongzhi Wang, Gang Wang, Yuan Zhu, Rui Cao, Guofeng Qian, Conghua Xie, Xuefeng Liu, Yu Xiao, Xinghuan Wang
Clear cell renal cell carcinoma (ccRCC) is the most common solid lesion within kidney, and its prognostic is influenced by the progression covering a complex network of gene interactions. In current study, the microarray data GSE66272 containing ccRCC and adjacent normal tissues was analyzed to identify 4042 differentially expressed genes, on which weighted gene co-expression network analysis was performed. Then 12 co-expressed gene modules were identified. The highest association was found between blue module and pathological stage (r = -0...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29208958/the-positivity-of-estrogen-receptor-and-progesterone-receptor-may-not-be-associated-with-metastasis-and-recurrence-in-epithelial-ovarian-cancer
#18
Shouzhen Chen, Xujing Dai, Yifei Gao, Fang Shen, Jingxin Ding, Qi Chen
The estrogen (ER) or progesterone receptors (PR) is positively associated with better clinical outcomes in ovarian cancer. Whether metastasis or recurrence of ovarian cancer is correlated with this association has not been investigated. Data on 894 women with epithelial ovarian cancer were collected and the association between ER or PR positivity and peritoneal or lymph node metastases or recurrence was analysed. ER or PR positivity was higher in high-grade, low-grade serous and endometrioid carcinoma, but lower in mucinous and clear-cell carcinoma...
December 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29208367/the-role-of-epcam-in-tumor-progression-and-the-clinical-prognosis-of-endometrial-carcinoma
#19
Kuo-Chang Wen, Pi-Lin Sung, Yu-Ting Chou, Chih-Ming Pan, Peng-Hui Wang, Oscar Kuang-Sheng Lee, Cheng-Wen Wu
OBJECTIVE: EpCAM is a transmembrane glycoprotein that functions as an epithelial marker in endometrial tissues. However, the correlation between EpCAM and endometrial carcinoma (EC) is not clear. METHODS: This study investigated the association between EpCAM and EC. Immunohistochemistry staining and bioinformatics analysis disclosed the clinical importance of low EpCAM expression. The migratory ability of cells expressing low EpCAM levels was studied in transwell invasion assays in vitro and an orthotopic intra-uterine tumor injection model in vivo...
December 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29208006/identification-and-validation-of-a-44-gene-expression-signature-for-the-classification-of-renal-cell-carcinomas
#20
Qifeng Wang, Hualei Gan, Chengshu Chen, Yifeng Sun, Jinying Chen, Midie Xu, Weiwei Weng, Liyu Cao, Qinghua Xu, Jian Wang
BACKGROUND: Renal cancers account for more than 3% of all adult malignancies and cause more than 23,400 deaths per year in China alone. The four most common types of kidney tumours include clear cell, papillary, chromophobe and benign oncocytoma. These histological subtypes vary in their clinical course and prognosis, and different clinical strategies have been developed for their management. Some kidney tumours can be very difficult to distinguish based on the pathological assessment of morphology and immunohistochemistry...
December 6, 2017: Journal of Experimental & Clinical Cancer Research: CR
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