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renal cell carcinoma ihc

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https://www.readbyqxmd.com/read/28918459/hla-class-i-expression-predicts-prognosis-and-therapeutic-benefits-from-tyrosine-kinase-inhibitors-in-metastatic-renal-cell-carcinoma-patients
#1
Jiajun Wang, Li Liu, Yang Qu, Wei Xi, Yu Xia, Qi Bai, Ying Xiong, Qilai Long, Jiejie Xu, Jianming Guo
PURPOSE: Classical HLA class I antigen is highly involved in antigen presentation and adaptive immune response against tumor. In this study, we explored its predictive value for treatment response and survival in metastatic renal-cell carcinoma (mRCC) patients. EXPERIMENTAL DESIGN: A TKI cohort of 111 mRCC patients treated with sunitinib or sorafenib and a non-TKI cohort of 160 mRCC patients treated with interleukin-2 or interferon-α-based immunotherapy at a single institution were retrospectively enrolled...
September 16, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28918350/expression-and-functional-characterization-of-the-bnip3-protein-in-renal-cell-carcinomas
#2
Stephan Macher-Goeppinger, Martina Keith, Gencay Hatiboglu, Markus Hohenfellner, Peter Schirmacher, Wilfried Roth, Katrin E Tagscherer
BNIP3 (Bcl-2/adenovirus E1B 19-kDa interacting protein 3) is a BH3-only protein that regulates apoptosis and autophagy. BNIP3 plays also an important role in hypoxia-induced cell response and is regulated by HIF1. Here, we studied a possible association of BNIP3 expression and the prognosis of patients with renal cell carcinomas (RCCs) and examined the functional relevance of BNIP3 in the regulation of cell survival and apoptosis of renal carcinoma cells. BNIP3 expression was determined by immunohistochemistry in RCC tumor tissue samples of 569 patients using a tissue microarray...
September 14, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28918166/high-expression-of-cxc-chemokine-receptor-6-associates-with-poor-prognosis-in-patients-with-clear-cell-renal-cell-carcinoma
#3
Yuan Chang, Lin Zhou, Le Xu, Qiang Fu, Yuanfeng Yang, Zongming Lin, Jiejie Xu
PURPOSE: Accumulating evidence indicates that CXC chemokine receptor 6 (CXCR6) has a crucial role in cancer development and progression, however, its role in clear cell renal cell carcinoma (ccRCC) remains obscure. The aim of this study is to investigate the prognostic value of CXCR6 expression in patients with ccRCC following surgery. MATERIALS AND METHODS: This study retrospectively included 239 patients with ccRCC who underwent nephrectomy and had paraffin tissue available at a single center...
September 13, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28898443/re-evaluation-of-33-unclassified-eosinophilic-renal-cell-carcinomas-in-young-patients
#4
Yunjie Li, Victor E Reuter, Andres Matoso, George J Netto, Jonathan I Epstein, Pedram Argani
AIMS: We sought to determine if some unclassified renal cell carcinomas (RCCs) in children and young adults that are characterized by predominantly eosinophilic cytoplasm are related to the recently described succinate dehydrogenase (SDH)-deficient RCC, fumarate hydratase (FH)-deficient RCC, or eosinophilic solid and cystic (ESC) RCC. METHODS AND RESULTS: We reviewed 33 unclassified RCCs with predominantly eosinophilic cytoplasm in patients age 35 years or younger...
September 12, 2017: Histopathology
https://www.readbyqxmd.com/read/28877054/melanotic-translocation-renal-cell-carcinoma-with-a-novel-arid1b-tfe3-gene-fusion
#5
Tatjana Antic, Jerome B Taxy, Mir Alikhan, Jeremy Segal
A 36-year-old male was found to have a 7.0 cm left upper pole renal mass on renal ultrasound. Following nephrectomy, the mass was grossly ill-demarcated, friable and red-brown, invading renal parenchyma, hilar fat and the renal vein. Microscopically, the tumor had a nested and papillary architecture. The cells demonstrated abundant clear and eosinophilic cytoplasm and focal intracytoplasmic melanin pigment. Nucleoli were prominent. By immunohistochemistry, the tumor was positive for TFE3; HMB-45 stained approximately 5% of tumor cells corresponding to the histologic melanin pigment, which was confirmed with Fontana-Masson stain with bleach...
September 4, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28852123/the-oncogenic-role-of-col23a1-in-clear-cell-renal-cell-carcinoma
#6
Fujiang Xu, Kun Chang, Jian Ma, Yuanyuan Qu, Huyang Xie, Bo Dai, Hualei Gan, Hailiang Zhang, Guohai Shi, Yao Zhu, Yiping Zhu, Yijun Shen, Dingwei Ye
Clear cell renal cell carcinoma (ccRCC) is the most common adult renal neoplasm and its incidence continues to increase. Collagen is the most abundant extracellular matrix protein in stroma, and contributes to the development and progression of ccRCC. We examined the human collagen type XXIII α1 chain (COL23A1) expression in ccRCC and the relationship between COL23A1 and patients' survival. We found COL23A1 mRNA was elevated in tumor compared with adjacent normal tissues, which was further validated by TCGA cohort...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28843624/sorafenib-stimulates-human-skin-type-mast-cell-degranulation-and-maturation
#7
Yukari Mizukami, Koji Sugawara, Yukimi Kira, Daisuke Tsuruta
BACKGROUND: Sorafenib is a multi-kinase inhibitor for treating advanced hepatocellular and renal cell carcinomas by targeting various types of receptors and signaling molecules, including vascular endothelial growth factor receptors, platelet-derived growth factor receptor, and Raf-1. Sorafenib may cause diverse cutaneous adverse reactions, including hand-foot reaction, facial and scalp eruptions, alopecia and pruritus. However, the mechanism of these adverse effects has not been well-investigated...
August 12, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28841878/the-role-of-lutheran-basal-cell-adhesion-molecule-in-human-bladder-carcinogenesis
#8
Hong-Yi Chang, Hsin-Mei Chang, Tsung-Jung Wu, Chang-Yao Chaing, Tzong-Shin Tzai, Hong-Lin Cheng, Giri Raghavaraju, Nan-Haw Chow, Hsiao-Sheng Liu
BACKGROUND: Lutheran/basal cell adhesion molecule (Lu/BCAM) is a membrane bound glycoprotein. This study was performed to investigate the role and downstream signaling pathway of Lu/BCAM in human bladder tumorigenesis. METHODS: Five human bladder cancer (E6, RT4, TSGH8301, TCCSUP and J82), one stable mouse fibroblast cell line (NIH-Lu) expressing Lu/BCAM transgene and sixty human uroepithelial carcinoma specimens were analyzed by real-time PCR, immunohistochemistry (IHC), immunofluorescence (IFA) staining, Western blotting and promoter luciferase assay for Lu/BCAM, respectively...
August 26, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28827104/comprehensive-evaluation-of-prostate-specific-membrane-antigen-expression-in-the-vasculature-of-renal-tumors-implications-for-imaging-studies-and-prognostic-role
#9
Sophia Spatz, Yuri Tolkach, Klaus Jung, Carsten Stephan, Jonas Busch, Bernhard Ralla, Anja Rabien, Georg Feldmann, Peter Brossart, Ralph A Bundschuh, Hojjat Ahmadzadehfar, Markus Essler, Marieta Toma, Stefan C Müller, Jörg Ellinger, Stefan Hauser, Glen Kristiansen
PURPOSE: Prostate-specific membrane antigen (PSMA) is expressed by endothelium of many tumors. The aim of the study was to find a rationale for PSMA-based imaging and to investigate the prognostic role of vascular PSMA expression in patients with renal cell carcinoma (RCC). MATERIALS AND METHODS: Two-hundred fifty seven patients with RCC were included with a median follow-up exceeding 10.0 years. PSMA expression on the tumor vessels was detected by immunohistochemistry...
August 18, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28819017/adrenocortical-carcinoma-and-succinate-dehydrogenase-gene-mutations
#10
Tobias Else, Antonio Marcondes Lerario, Jessica Everett, Lori Haymon, Deborah Wham, Michael Mullane, Tremika LeShan Wilson, Irene Rainville, Huma Rana, Andrew J Worth, Nathaniel W Snyder, Ian A Blair, Rana McKay, Kerry Kilbridge, Gary D Hammer, Justine Barletta, Anand Vaiyda
OBJECTIVE: Germline loss-of-function mutations in succinate dehydrogenase (SDHx) genes results in rare tumor syndromes that include pheochromocytoma, paraganglioma, and others. Here we report a case series of patients with adrenocortical carcinoma (ACC) that harbor SDHx germline mutations. PATIENTS AND RESULTS: We report four unrelated patients with ACC and SDHx mutations. All cases presented with Cushing syndrome and large adrenal masses that were confirmed to be ACC on pathology...
August 17, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28807339/primary-collision-tumors-of-the-kidney-composed-of-oncocytoma-and-papillary-renal-cell-carcinoma-a-review
#11
REVIEW
Zulfia McCroskey, Sue J Sim, Andrew A Selzman, Alberto G Ayala, Jae Y Ro
BACKGROUND: There are well known cases of hybrid tumors of chromophobe renal cell carcinoma (RCC) and oncocytoma in kidney, where both tumors have the same cell of origin - intercalated cell of the collecting duct. However, collision tumors composed of neoplasms originating from different cell lineages such as oncocytoma and papillary RCC are extremely rare. Herein, we made a collective literature review of reported cases of collision tumors composed of oncocytoma and papillary RCC, adding a case that we recently experienced...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807337/evaluation-of-cd43-expression-in-non-hematopoietic-malignancies
#12
Bjorn H Batdorf, Steven H Kroft, Paul R Hosking, Alexandra M Harrington, Alexander C Mackinnon, Horatiu Olteanu
OBJECTIVES: CD43 is normally expressed only on the surface of leukocytes, and is considered a sensitive and specific marker for hematologic malignancies. As such, it may have diagnostic utility in confirming hematolymphoid lineage in cases that are negative for CD45. Aberrant CD43 expression has been described in non-hematopoietic tumors, although literature data on this topic is variable and sometimes contradictory. To clarify and expand on existing literature findings, we evaluated CD43 expression by immunohistochemistry (IHC) in a large cohort (307) of non-hematopoietic neoplasms, including poorly differentiated malignancies...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807336/programmed-death-1-pd-1-receptor-pd-1-ligand-pd-l1-expression-in-fumarate-hydratase-deficient-renal-cell-carcinoma
#13
Reza Alaghehbandan, Jan Stehlik, Kiril Trpkov, Cristina Magi-Galluzzi, Enric Condom Mundo, Maria Pane Foix, Daniel Berney, Mathilde Sibony, Saul Suster, Abbas Agaimy, Delia Perez Montiel, Kristyna Pivovarcikova, Kvetoslava Michalova, Ondrej Daum, Ondrej Ondic, Pavla Rotterova, Martin Dusek, Milan Hora, Michal Michal, Ondrej Hes
Fumarate hydratase-deficient renal cell carcinoma (FH-RCC) is a rare and aggressive tumor affecting mostly younger patients. This is the first study to assess the expression of programmed death-1 (PD-1) receptor/PD-1 ligand (PD-L1) in FH-RCC. Formalin-fixed paraffin-embedded samples from 13 FH-RCCs collected in an international multi-institutional study, were evaluated by immunohistochemistry (IHC) for PD-1/PD-L1 reactivity in tumor cells and tumor infiltrating lymphocytes (TILs). PD-1/PD-L1 expression was further evaluated by qPCR...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28800310/nephroblastoma-overexpressed-gene-expression-and-its-prognostic-implications-of-clinical-outcomes-in-renal-cell-carcinoma-patients
#14
Hongbin Shi, Jianping Yu, Jie Li
BACKGROUND: The nephroblastoma overexpressed gene (NOV) expressions in tissues and organs has become abnormal during tumorigenesis and progression. This study intended to investigate the correlation between clinical outcomes and NOV expression in renal cell carcinoma (RCC) patients. METHODS: Fifty RCC patients who attended the hospital from January 2013 to January 2015 were enrolled in this study. NOV expression in cancerous tissues and adjacent non-cancerous renal tissues of RCC patients were detected by immunohistochemistry (IHC)...
July 31, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28781790/somatic-brca1-associated-protein-1-bap1-loss-is-an-early-and-rare-event-in-esophageal-adenocarcinoma
#15
Heike Loeser, Dirk Waldschmidt, Fabian Kuetting, Simon Schallenberg, Thomas Zander, Elfriede Bollschweiler, Arnulf Hoelscher, Katharina Weckermann, Patrick Plum, Hakan Alakus, Reinhard Buettner, Alexander Quaas
Esophageal cancer is the eighth most common malignant tumor worldwide, and the number of incidences of esophageal adenocarcinoma is increasing in the Western world. Despite improvements in perioperative treatment, the overall survival rate of patients with esophageal adenocarcinoma remains poor. Breast cancer type 1 susceptibility protein (BRCA1)-associated protein (BAP1) is located on chromosome 3p21, and it is an enzyme with ubiquitin carboxyl hydrolase activity that regulates cell growth. It interacts with BRCA1, and the nuclear localization of BAP1 is required for its tumor suppressor function...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28767609/sinonasal-renal-cell-like-adenocarcinoma-a-unique-variant-of-primary-clear-cell-carcinoma-of-the-head-and-neck-the-first-reported-case-in-korea
#16
Nah-Ihm Kim, Jung-In Yang, Sung-Sun Kim, Ji-Shin Lee, Sang-Chul Lim, Shin Jung, Jae-Hyuk Lee, Kyung-Sub Moon, Kyung-Hwa Lee
RATIONALE: Primary sinonasal renal cell-like adenocarcinoma (SNRCLA) is a rare and unique neoplasm. PATIENT CONCERNS: A 63-year-old man presented with repeated epistaxis, nasal obstruction and hyposmia of 2-month duration. Radiological studies revealed a mass of the left ethmoid sinus involving anterior skull base. DIAGNOSIS: The patient was treated with craniofacial resection, bifrontal craniotomy combined with an endonasal endoscopic approach...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28757600/relative-computed-tomography-ct-enhancement-value-for-the-assessment-of-microvascular-architecture-in-renal-cell-carcinoma
#17
Ai-Mei Ouyang, Zhao-Long Wei, Xin-You Su, Kun Li, Dong Zhao, De-Xin Yu, Xiang-Xing Ma
BACKGROUND To investigate the correlation between the relative computed tomography (CT) enhancement value and the microvascular architecture in different pathologic subtypes of renal cell carcinoma (RCC). MATERIAL AND METHODS This retrospective study included 55 patients with pathologically confirmed RCC. Immunohistochemistry for CD34 was performed for all surgical specimens. Microvascular architecture parameters (density, area, diameter, and perimeter) for the microvessels and the microvessels with lumen were determined...
July 31, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28747553/krt8-upregulation-promotes-tumor-metastasis-and-is-predictive-of-a-poor-prognosis-in-clear-cell-renal-cell-carcinoma
#18
Hai-Song Tan, Wei-Hua Jiang, Yi He, De-Sheng Wang, Zhen-Jie Wu, Deng-Shuang Wu, Li Gao, Yi Bao, Jia-Zi Shi, Bing Liu, Li-Jun Ma, Lin-Hui Wang
Keratin 8 (KRT8) plays an essential role in the development and metastasis of multiple human cancers. However, its role in clear cell renal cell carcinoma (ccRCC) remains unexplored. Here, we investigated the expression pattern, clinical significance, and function of KRT8 in ccRCC. KRT8 mRNA and protein levels were determined in two large cohorts using quantitative real-time polymerase chain reaction (qRT-PCR) and tissue microarray (TMA) immunohistochemistry (IHC), respectively. We found that KRT8 expression was upregulated in ccRCC and vein tumor thrombi (VTTs)...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28737447/pmab-52-specific-and-sensitive-monoclonal-antibody-against-cat-podoplanin-for-immunohistochemistry
#19
Shinji Yamada, Shunsuke Itai, Takuro Nakamura, Miyuki Yanaka, Noriko Saidoh, Yao-Wen Chang, Saori Handa, Hiroyuki Harada, Yumiko Kagawa, Osamu Ichii, Satoru Konnai, Mika K Kaneko, Yukinari Kato
Podoplanin (PDPN) is expressed in several normal tissues, such as lymphatic endothelial cells, podocytes of renal glomerulus, and type I alveolar cells of lung. PDPN activates platelet aggregation by binding to C-type lectin-like receptor-2 (CLEC-2) on platelet. Although monoclonal antibodies (mAbs) against human PDPN, mouse PDPN, rat PDPN, rabbit PDPN, dog PDPN, and bovine PDPN have been established, anticat PDPN (cPDPN) mAbs have not been developed. In this study, we immunized mice with Chinese hamster ovary (CHO)-K1 cell lines expressing cPDPN, and developed anti-cPDPN mAbs...
July 24, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28716439/renal-cell-carcinoma-unclassified-with-medullary-phenotype-poorly-differentiated-adenocarcinomas-overlapping-with-renal-medullary-carcinoma
#20
Deepika Sirohi, Steven C Smith, Chisato Ohe, Piergiuseppe Colombo, Mukul Divatia, Ema Dragoescu, Priya Rao, Michelle S Hirsch, Ying-Bei Chen, Rohit Mehra, Mahul B Amin
Renal medullary carcinoma (RMC) is a highly aggressive renal cell carcinoma, arising in the collecting system, and requiring careful correlation with status of sickle cell trait. A panel of international experts has recently proposed provisional diagnostic terminology, renal cell carcinoma, unclassified, with medullary phenotype (RCCU-MP), based on encountering an extraordinarily rare tumor with RMC morphology and immunophenotype in an individual proven not to have a hemoglobinopathy. Herein, we extend this observation to a cohort of five such tumors, morphologically similar to RMC, lacking SMARCB1 expression by immunohistochemistry, but each without evidence of a hemoglobinopathy...
July 14, 2017: Human Pathology
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