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Clear cell carcinoma

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https://www.readbyqxmd.com/read/29679177/impact-of-the-number-of-removed-lymph-nodes-on-recurrence-free-survival-in-stage-i-ovarian-clear-cell-carcinoma
#1
Yuji Takei, Suzuyo Takahashi, Shizuo Machida, Akiyo Taneichi, Takahiro Yoshiba, Yoshifumi Takahashi, Chikako Yoshida, Yasushi Saga, Shigeki Matsubara, Hiroyuki Fujiwara
BACKGROUND: Although there have been several reports regarding the significance of staging lymphadenectomy for early stage ovarian clear cell carcinoma (CCC) patients, there have been few reports focusing on the number of removed lymph nodes. The aim of this study was to evaluate the impact of the number of removed lymph nodes on recurrence-free survival (RFS) in stage I ovarian CCC. METHODS: The subjects were patients with ovarian CCC who underwent surgery between January 1988 and December 2013...
April 20, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29678569/pbx1-promotes-the-cell-proliferation-via-jak2-stat3-signaling-in-clear-cell-renal-carcinoma
#2
Xin Wei, Lili Yu, Yi Li
PBX1 was abnormally overexpressed and its intracellular localization was found to be frequently amplified in many types of cancer, including renal clear cell carcinoma. PBX1 displays oncogenic activity in several different types of cells, but little is known about how signaling pathways are altered, and the function of PBX1 in renal clear cell carcinoma has not been well investigated. In this study, we demonstrate that the expression of PBX1 was significantly upregulated in 30 pairs of human tissues compared to adjacent normal tissues and the overall survival rate of PBX1-high group was significantly worse than that of PBX1-low group...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29677504/multi-regional-sequencing-elucidates-the-evolution-of-clear-cell-renal-cell-carcinoma
#3
Christopher J Ricketts, W Marston Linehan
Extensive multi-regional whole-genome and -exome sequencing performed in tumors from patients with localized, as well as metastatic, clear cell renal cell carcinoma provides a comprehensive description of the tumor origin, intratumoral heterogeneity, evolution, and route to metastasis, laying the foundation for the development of precision clinical management.
April 19, 2018: Cell
https://www.readbyqxmd.com/read/29675093/prognostic-value-of-preoperative-lymphocyte-monocyte-ratio-in-patients-with-ovarian-clear-cell-carcinoma
#4
Byung Su Kwon, Dae Hoon Jeong, Jung Mi Byun, Tae Hwa Lee, Kyung Un Choi, Yong Jung Song, Dong Soo Suh, Ki Hyung Kim
Objective: The aim of the present study was to determine the prognostic significances of markers of preoperative systemic inflammatory response (SIR) in patients with ovarian clear cell carcinoma (OCCC). Methods: A total of 109 patients diagnosed with OCCC that underwent primary cytoreductive surgery and adjuvant platinum-based chemotherapy from 2009 to 2012 were enrolled in this retrospective study. SIR markers were calculated from complete blood cell counts determined before surgery. Receiver operating characteristic (ROC) curve analysis was used to determine optimal cut-off values for neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), and platelet-to-lymphocyte ratio (PLR)...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29674707/targeted-genomic-landscape-of-metastases-compared-to-primary-tumours-in-clear-cell-metastatic-renal-cell-carcinoma
#5
Guillermo de Velasco, Stephanie A Wankowicz, Russell Madison, Siraj M Ali, Craig Norton, Audrey Duquette, Jeffrey S Ross, Dominick Bossé, Aly-Khan A Lalani, Vincent A Miller, Philip J Stephens, Lauren Young, A Ari Hakimi, Sabina Signoretti, Sumanta K Pal, Toni K Choueiri
BACKGROUND: The genomic landscape of primary clear cell renal cell carcinoma (ccRCC) has been well described. However, little is known about cohort genomic alterations (GA) landscape in ccRCC metastases, or how it compares to primary tumours in aggregate. The genomic landscape of metastases may have biological, clinical, and therapeutic implications. METHODS: We collected targeted next-generation sequencing mutation calls from two independent cohorts and described the metastases GA landscape and descriptively compared it to the GA landscape in primary tumours...
April 20, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29673450/-establishment-of-multiple-indirect-immunofluorescence-technique-for-detecting-multiple-markers-in-the-same-specimens-of-hepatoma-cells-and-frozen-tissues
#6
Min Yang, Zhihua Tian, Bo Ma, Kaiying Jia, Hongli Zhang, Jing Fu, Wenwen Qin, Wei Zhao
Objective To establish a multiple-indirect immunofluorescence staining that can be used to detect several proteins in the same frozen section of hepatocellular carcinoma (HCC) tissues. Methods Laser scanning confocal microscopy (LSCM) was applied to scan the first group of antibodies against four proteins stained on the HCC tissues by the indirect immunofluorescence technique. The first group of antibodies and residual dye were removed by homologous species IgG Fab antibody blocking combined with chemical strip reagents (2-mercaptoethanol/dodecyl benzene sulfonic acid sodium/guanidine hydrochloride/sodium borohydride, β-ME/SDS/GnHCl/NaBH4)...
February 2018: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29673164/perspective-contribution-of-epstein-barr-virus-ebv-reactivation-to-the-carcinogenicity-of-nasopharyngeal-cancer-cells
#7
Chung-Chun Wu, Chih-Yeu Fang, Sheng-Yen Huang, Shih-Hsin Chiu, Chia-Huei Lee, Jen-Yang Chen
Nasopharyngeal carcinoma (NPC) is a squamous cell carcinoma derived from the epithelium of the post-nasal cavity, with a unique geographic and ethnic distribution. Epstein–Barr virus (EBV) is an etiological agent of NPC, but how it contributes to carcinogenesis is not completely clear. Although it is thought that EBV latency participates in the development of NPC, increasing evidence reveals that the lytic cycle also plays an important role in the carcinogenic process. In this review, we summarize our recent studies on how EBV reactivation causes genomic instability and accelerates tumorigenesis in epithelial cells...
April 17, 2018: Cancers
https://www.readbyqxmd.com/read/29672315/microrna-10b-promotes-apoptosis-via-jnk-pathway-in-clear-cell-renal-cell-carcinoma
#8
Jianyang Qin, Jia Zhou, Ling Teng, Ying Han
BACKGROUND/AIMS: To investigate the downregulation of microRNA (miR)-10b in clear cell renal cell carcinoma (ccRCC) and its mechanistic involvement in tumourigenesis. METHODS: The relative expression of miR-10b in ccRCC samples were determined by real-time PCR. Exogenous expression and knockdown of endogenous miR-10b were performed by transfection with indicated plasmids into 786-0 cells. Cell proliferation was evaluated using Cell Counting Kit-8 assay. Cell apoptosis was analyzed by Annexin V/propidium iodide staining...
April 19, 2018: Nephron
https://www.readbyqxmd.com/read/29671892/frequent-loss-of-claudin-4-expression-in-dedifferentiated-and-undifferentiated-endometrial-carcinomas
#9
Basile Tessier-Cloutier, Robert A Soslow, Colin J R Stewart, Martin Köbel, Cheng-Han Lee
INTRO: Dedifferentiated/undifferentiated endometrial carcinomas (DDEC/UEC) are aggressive endometrial cancers with frequent genomic inactivation of core components of switch/sucrose non-fermentable (SWI/SNF) complex proteins. Claudin-4, an epithelial intercellular tight junction protein was recently found to be expressed in SWI/SNF-deficient undifferentiated carcinomas but not SWI/SNF-deficient sarcomas. The aim of this study is to examine claudin-4 expression in UEC/DDEC and other high-grade uterine carcinomas...
April 19, 2018: Histopathology
https://www.readbyqxmd.com/read/29670525/mir-203-inhibits-alcohol-induced-hepatic-steatosis-by-targeting-lipin1
#10
Xiao-Yu Cheng, Jun-Da Liu, Xin-Yi Lu, Xing Yan, Cheng Huang, Xiao-Ming Meng, Jun Li
Alcoholic liver disease (ALD) is a global liver disease which characterized by liver inflammation, fatty liver, alcoholic hepatitis, or liver cirrhosis. Alcohol abuse is one of the main reasons for liver disease. Alcoholic fatty liver (AFL) disease is the early stage of ALD and associated with the excessive lipids accumulation in hepatocytes as well as oxidative stress. MicroRNA-203 (miR-203) is known to suppress the proliferation and metastasis of hepatocellular carcinoma, but the role in the progression of alcoholic liver disease is not clear and is warranted for further investigation...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29669827/osteopontin-regulates-hcv-replication-and-assembly-via-interaction-with-hcv-proteins-and-lipid-droplets-and-by-binding-to-receptors-%C3%AE-v%C3%AE-3-and-cd44
#11
Jawed Iqbal, Mehuli Sarkar-Dutta, Steven McRae, Akshaya Ramachandran, Binod Kumar, Gulam Waris
Hepatitis C virus (HCV) replication and assembly occur at the specialized site of endoplasmic reticulum (ER) membranes and lipid droplets (LDs), respectively. Recently, several host proteins have been shown to be involved in HCV replication and assembly. In the present study, we demonstrate the important relationship among osteopontin (OPN), ER and LDs. OPN is a secreted phosphoprotein and overexpression of OPN in hepatocellular carcinoma (HCC) tissue can lead to invasion and metastasis. OPN expression is also enhanced in HCV-associated HCC...
April 18, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29669553/significant-response-to-nivolumab-for-metastatic-chromophobe-renal-cell-carcinoma-with-sarcomatoid-differentiation-a-case-report
#12
Go Noguchi, Sohgo Tsutsumi, Masato Yasui, Shinji Ohtake, Susumu Umemoto, Noboru Nakaigawa, Masahiro Yao, Takeshi Kishida
BACKGROUND: The treatment of advanced or metastatic renal cell carcinoma (RCC) has drastically changed since the approval of immune checkpoint therapy. Nivolumab is a treatment option for patients with metastatic RCC, previously treated with targeted antiangiogenic therapy. The efficacy of nivolumab for patients with RCC was established by the Checkmate 025 clinical trial. Chromophobe RCC (CRCC) represents around 5% of RCC cases, but non-clear cell RCC (non-ccRCC) subtypes were excluded from the Checkmate 025 clinical trial...
April 18, 2018: BMC Urology
https://www.readbyqxmd.com/read/29669465/superiority-of-rat-over-murine-model-for-studies-on-the-evolution-of-cancer-genome
#13
Shinya Akatsuka, Guang Hua Li, Shinya Toyokuni
Evolution of the species and carcinogenesis are similar in that genomic alterations are the key events. Oxidative stress derived from various etiologies is one of the major causes of carcinogenesis by inducing mutations in the genome. Persistent oxidative stress in the renal proximal tubules through Fenton reaction catalyzed by ferric nitrilotriacetate (Fe-NTA) generates renal cell carcinoma (RCC) in mice and rats. Here, in order to observe the species difference in oxidative stress-induced carcinogenesis and to obtain an insight regarding the characteristics of each species, we compared the genomic alterations using array-based comparative genome hybridization among RCCs in Mutyh knockout/wild-type mice (C57BL/6 background) induced by Fe-NTA, RCCs in F1 hybrids of Brown-Norway/Fischer-344 wild-type rats and clear cell renal cell carcinoma (CCRCC)/papillary renal cell carcinoma (PRCC) of humans...
April 18, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29669190/analysis-of-histologic-follow-up-and-risk-of-malignancy-for-salivary-gland-neoplasm-of-uncertain-malignant-potential-proposed-by-the-milan-system-for-reporting-salivary-gland-cytopathology
#14
Haiyan Liu, Clarissa Ljungren, Fan Lin, Matthew A Zarka, Longwen Chen
BACKGROUND: The Milan System for Reporting Salivary Gland Cytopathology is a tiered classification scheme that includes 6 diagnostic categories. Neoplasm, which is 1 of the 6 proposed categories, consists of benign neoplasm and neoplasm of uncertain malignant potential (NUMP). NUMP is reserved for a salivary gland neoplasm without clear distinction between benign and malignant. The objective of this study was to assess the risk of malignancy (ROM) of NUMP. METHODS: A retrospective analysis was conducted on 656 salivary gland fine-needle aspiration specimens from 2010 to 2016...
April 18, 2018: Cancer Cytopathology
https://www.readbyqxmd.com/read/29667114/efficacy-of-endoscopic-ultrasonography-for-determining-clinical-t-category-for-esophageal-squamous-cell-carcinoma-data-from-1434-surgical-cases
#15
Jie Yang, Guang-Yu Luo, Run-Bin Liang, Tai-Shan Zeng, Hao Long, Jian-Hua Fu, Guo-Liang Xu, Mu-Zi Yang, Shuo Li, Lan-Jun Zhang, Peng Lin, Xin Wang, Xue Hou, Hao-Xian Yang
BACKGROUND: The efficacy of endoscopic ultrasonography (EUS) for determining T category is variable for esophageal squamous cell carcinoma (ESCC). We aimed to assess the efficacy of EUS in accurately identifying T category for ESCC based on the 8th AJCC Cancer Staging Manual. METHODS: A retrospective analysis was conducted using a prospectively collected ESCC database from January 2003 to December 2015, in which all patients underwent EUS examination followed by esophagectomy...
April 17, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29665991/differential-proteomic-analysis-of-actinic-keratosis-bowen-s-disease-and-cutaneous-squamous-cell-carcinoma-by-label-free-lc-ms-ms
#16
Ali Azimi, Kimberley L Kaufman, Marina Ali, Jonathan Arthur, Steven Kossard, Pablo Fernandez-Penas
BACKGROUND: The boundaries between actinic keratosis (AK), Bowen's disease (BD), and cutaneous squamous cell carcinoma (cSCC) are sometimes not clear. Large-scale proteomic profiling studies of these lesions are also non-existent. OBJECTIVE: To evaluate proteomic changes between normal epidermis, AK, BD and cSCC that could support a molecular classification and improve our understanding of disease progression. METHODS: Microdissected formalin-fixed paraffin embedded samples of normal epidermis (n = 4, pooled), AK (n = 10), BD (n = 10) and cSCC (n = 10) were analyzed by mass spectrometry...
April 10, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29665453/can-concurrent-high-risk-endometrial-carcinoma-occur-with-atypical-endometrial-hyperplasia
#17
Baki Erdem, Osman Aşıcıoğlu, Niyazi Alper Seyhan, Nuri Peker, Volkan Ülker, Özgür Akbayır
BACKGROUND: This study investigated the frequency of high-risk cancer types in hysterectomy material obtained from patients who were diagnosed with atypical endometrial hyperplasia (AEH) by endometrial sampling. MATERIALS AND METHODS: A total of 227 patients with AEH were retrospectively included in the study. Hysterectomy material was examined as both perioperative frozen section (FS) and paraffin-embedded permanent section (PS). Grade III tumors, grade II tumors larger than 2 cm, over 50% myometrial invasion, cervical involvement, and serous or clear cell histology were considered high-risk...
April 14, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29665322/tumour-cell-expression-of-interleukin-6-receptor-%C3%AE-is-associated-with-response-rates-in-patients-treated-with-sunitinib-for-metastatic-clear-cell-renal-cell-carcinoma
#18
Martin Pilskog, Leif Bostad, Reidunn J Edelmann, Lars A Akslen, Christian Beisland, Oddbjørn Straume
Clear cell renal cell carcinoma (ccRCC) is the most common type of renal cell carcinoma, and anti-angiogenic treatment is currently first line therapy for metastatic ccRCC (mccRCC). Response rates and duration of response show considerable variation, and adverse events have a major influence on patient quality of life. The need for predictive biomarkers to select responders to receptor tyrosine kinase inhibitors upfront is urgent. We investigated the predictive value of immunohistochemical biomarkers associated with angiogenesis and systemic inflammation in mccRCC...
April 2018: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/29663364/impact-of-iaspp-on-chemoresistance-through-plk1-and-autophagy-in-ovarian-clear-cell-carcinoma
#19
Ka-Kui Chan, Oscar Gee-Wan Wong, Esther Shuk-Ying Wong, Karen Kar-Loen Chan, Philip Pun-Ching Ip, Ka-Yu Tse, Annie Nga-Yin Cheung
Ovarian clear cell carcinoma (OCCC) is a type of epithelial ovarian cancer that is strongly associated with endometriosis, resistance against conventional chemotherapy and thus poorer prognosis. The expression of inhibitory member of the ASPP family proteins (iASPP) and Polo-like kinase (PLK)1 were significantly higher in OCCC compared to benign cystadenomas and endometriosis. Both protein expressions were found to correlate with chemoresistance in patients with OCCC while high iASPP expression alone was significantly associated with a poor patient survival...
April 16, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29662646/vhl-status-regulates-transforming-growth-factor-%C3%AE-signaling-pathways-in-renal-cell-carcinoma
#20
Pramod Mallikarjuna, Raviprakash T Sitaram, Maréne Landström, Börje Ljungberg
To evaluate the role of pVHL in the regulation of TGF-β signaling pathways in clear cell renal cell carcinoma (ccRCC) as well as in non-ccRCC; the expression of pVHL, and the TGF-β pathway components and their association with clinicopathological parameters and patient's survival were explored. Tissue samples from 143 ccRCC and 58 non-ccRCC patients were examined by immunoblot. ccRCC cell lines were utilized for mechanistic in-vitro studies. Expression levels of pVHL were significantly lower in ccRCC compared with non-ccRCC...
March 27, 2018: Oncotarget
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