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renal cell carcinoma

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https://www.readbyqxmd.com/read/29243496/increased-expression-of-cd44-is-associated-with-more-aggressive-behavior-in-clear-cell-renal-cell-carcinoma
#1
Leili Saeednejad Zanjani, Zahra Madjd, Maryam Abolhasani, Arezoo Rasti, Oystein Fodstad, Yvonne Andersson, Mojgan Asgari
AIM: Although CD44 has been suggested as a prognostic marker in renal cell carcinoma (RCC), the prognostic significance of this marker in three main subtypes of RCC is still unclear. Thus, the present study was conducted to evaluate the expression and prognostic significance of CD44 as a cancer stem cell marker in different histological subtypes of RCC. METHODOLOGY/RESULTS: CD44 expression was evaluated in 206 well-defined renal tumor samples using immunohistochemistry on tissue microarrays...
December 15, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/29242703/clinical-characteristics-of-patients-with-renal-cell-carcinoma-and-metastasis-to-the-thyroid-gland
#2
Gregory Jackson, Nora Fino, Rhonda L Bitting
Introduction: Renal cell carcinoma (RCC) is the most common malignancy to metastasize to the thyroid gland. The aims of this study are as follows: (1) to analyze the clinical characteristics of patients with thyroid involvement of RCC and (2) in patients with RCC thyroid metastasis, to determine whether RCC metastasis to glandular organs only portends a better prognosis compared with other patterns of RCC metastasis. Methods: Patients from Wake Forest Baptist Medical Center (WFBMC) diagnosed with thyroid metastasis from RCC were identified and medical records retrospectively examined...
2017: Clinical Medicine Insights. Oncology
https://www.readbyqxmd.com/read/29241073/resveratrol-inhibits-proliferation-migration-and-invasion-via-akt-and-erk1-2-signaling-pathways-in-renal-cell-carcinoma-cells
#3
Yuwan Zhao, Huancheng Tang, Xin Zeng, Dongcai Ye, Jianjun Liu
Recent studies have shown that resveratrol (RES) inhibits cancer cell growth, migration and invasion. Here, we evaluated RES in two human renal cell carcinoma (RCC) cell lines, ACHN and A498. We investigated the effects of RES on proliferation, cell morphology, colony formation, migration, and invasion. We used a proliferation assay to demonstrate that RES inhibited cell growth with IC50 values 132.9±1.064μM in ACHN, and 112.8±1.191μM in A498, respectively. Using inverted contrast microscopy, we showed that RES reduced cell-to-cell contact and inhibited formation of filopodia...
December 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29239846/molecular-subtypes-of-clear-cell-renal-cell-carcinoma-are-associated-with-outcome-during-pazopanib-therapy-in-the-metastatic-setting
#4
Annelies Verbiest, Gabrielle Couchy, Sylvie Job, Jessica Zucman-Rossi, Laure Caruana, Evelyne Lerut, Raymond Oyen, Aurélien de Reyniès, Brigitte Laguerre, Nathalie Rioux-Leclercq, Agnieszka Wozniak, Steven Joniau, Hendrik Van Poppel, Kathleen Van Den Eynde, Benoit Beuselinck
BACKGROUND: We previously described 4 molecular subtypes of metastatic clear cell renal cell carcinoma (mccRCC), named ccrcc1-4 (Beuselinck et al, 2015). These have both prognostic and predictive value for patients treated with first-line sunitinib, with distinctive objective response rate (ORR), progression-free survival (PFS), and overall survival (OS). The ccrcc2 and ccrcc3 tumors have the best outcomes, followed by ccrcc1 and then ccrcc4. We hypothesized that these molecular subtypes would show similar outcomes with first-line pazopanib treatment...
November 7, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29239663/laser-desorption-ionization-ms-imaging-of-cancer-kidney-tissue-on-silver-nanoparticle-enhanced-target
#5
Adrian Arendowski, Joanna Nizioł, Krzysztof Ossoliński, Anna Ossolińska, Tadeusz Ossoliński, Zygmunt Dobrowolski, Tomasz Ruman
AIM: Renal cell carcinoma is a very aggressive and often fatal disease for which there are no specific biomarkers found to date. The purpose of work was to find substances that differentiate the cancerous and healthy tissue by using laser desorption/ionization MS imaging combined with silver nanoparticle-enhanced target. RESULTS: Ion images and comparative analysis of spectra revealed differences in intensities for several metabolites, for which their biochemical properties were discussed...
December 14, 2017: Bioanalysis
https://www.readbyqxmd.com/read/29239194/-immunotherapy-of-renal-cell-carcinoma
#6
A Poprach, R Lakomý, T Büchler
Treatment of renal cell carcinoma is still palliative. Targeted therapy increases response rates and prolongs overall survival and progression-free survival compared with cytokines and chemotherapy. Checkpoint inhibitors constitute the up-date of therapeutic approaches, and anti-PD-1 antibody, one checkpoint inhibitor, is now well established as a second and/or third palliative treatment for patients with renal cell carcinoma. In this study, we present the latest data from current studies on cytokines, cancer vaccines, ipilimumab, and nivolumab...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29239192/-combined-regimens-in-immunotherapy
#7
B Melichar, M Spisarová
The advent of immunotherapy has changed our concept of how to manage metastatic disease. With the exception of relatively rare tumors, the treatment of metastatic cancer is still considered as palliative, and in systemic treatment immunotherapy is often selected, considering better tolerance. Immunotherapy opens the perspective of a long-term, possibly durable, response, and, in contrast to other approaches to targeted therapy, is active across a spectrum of tumors. Combined regimens that increase the efficacy, given the context, are thus of importance...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/29239102/serpinh1-overexpression-in-clear-cell-renal-cell-carcinoma-association-with-poor-clinical-outcome-and-its-potential-as-a-novel-prognostic-marker
#8
Yijun Qi, Yue Zhang, Zhiqiang Peng, Lei Wang, Kaizhen Wang, Duiping Feng, Junqi He, Junfang Zheng
Precision therapy for clear cell renal cell carcinoma (ccRCC) requires molecular biomarkers ascertaining disease prognosis. In this study, we performed integrated proteomic and transcriptomic screening in all four tumour-node-metastasis stages of ccRCC and adjacent normal tissues (n = 18) to investigate differentially expressed genes. Most identified differentially expressed genes revealed a strong association with transforming growth factor-β level and the epithelial-to-mesenchymal transition process. Of them, Serpin peptidase inhibitor clade H member 1 (SERPINH1) revealed the strongest association with poor prognosis and regulation on the expression levels of epithelial-to-mesenchymal transition markers...
December 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29239041/hereditary-and-familial-thyroid-tumours
#9
REVIEW
Julie Guilmette, Vania Nosé
The worldwide incidence of thyroid malignancies has been increasing rapidly. Sensitive imaging modalities and early detection of thyroid lesions have made thyroid cancers the most rapidly increasing cancers in the USA in 2017 (SEER Cancer Facts, 2017). Clinical awareness of potential risk factors, such as inherited thyroid cancers, has allowed earlier recognition of more vulnerable population clusters. Hereditary thyroid neoplasms arising from calcitonin-producing C cells are known as familial medullary thyroid carcinomas (FMTCs), and include well-documented syndromes such as multiple endocrine neoplasia IIA or IIB, and pure familial medullary thyroid carcinoma syndrome...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29238223/the-effect-of-medication-nonadherence-on-progression-free-survival-among-patients-with-renal-cell-carcinoma
#10
Jason Shafrin, Jeffrey Sullivan, Jacquelyn W Chou, Michael N Neely, Justin F Doan, J Ross Maclean
Objective: To examine how observed medication nonadherence to 2 second-line, oral anticancer medications (axitinib and everolimus) affects progression-free survival (PFS) among patients with renal cell carcinoma. Methods: We used an adherence-exposure-outcome model to simulate the impact of adherence on PFS. Using a pharmacokinetic/pharmacodynamic (PK/PD) population model, we simulated drug exposure measured by area under the plasma concentration-time curve (AUC) and minimum blood or trough concentration (Cmin) under 2 scenarios: 1) optimal adherence and 2) real-world adherence...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29238207/advances-in-t-cell-checkpoint-immunotherapy-for-head-and-neck-squamous-cell-carcinoma
#11
REVIEW
Xinmeng Qi, Bo Jia, Xue Zhao, Dan Yu
Head and neck squamous cell carcinoma (HNSCC) has been found to be a complex group of malignancies characterized by their profound immunosuppression and high aggressiveness. In most cases of advanced HNSCC, treatment fails to obtain total cancer cure. Efforts are needed to develop new therapeutic approaches to improve HNSCC outcomes. In this light, T-cells "immune checkpoint" has attracted much attention in cancer immunotherapy. It has been broadly accepted that inhibitory T-cell immune checkpoints contribute to tumor immune escape through negative immune regulatory signals (cytotoxic T-lymphocyte-associated antigen 4 [CTLA-4], programmed cell death 1 [PD-1], B7-H3, and B7-H4, etc)...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29236139/-notochordal-tumors-benign-notochordal-tumors-and-chordomas
#12
REVIEW
T F E Barth, A von Witzleben, P Möller, S Scheil-Bertram
Benign notochordal tumors (BNCT) and chordomas are primary bone tumors of the spine with a predominant localization in the sacrum and clival region followed by the vertebral bodies. Besides the most common variant (NOS [not otherwise specified] with hepatoid or renal carcinoma cell-like differentiation) chordomas with chondroid, and polymorphic to anaplastic morphology are described. An unfavorable variant are pediatric chordomas with a loss of INI-1. BNCT and chordomas are characterized by the following immunohistological profile: vimentin+, cytokeratin+/-, epithelial membrane antigen (EMA)+/-, S100 protein+/-, brachyury+...
December 13, 2017: Der Pathologe
https://www.readbyqxmd.com/read/29234409/antcin-h-isolated-from-antrodia-cinnamomea-inhibits-renal-cancer-cell-invasion-partly-through-inactivation-of-fak-erk-c-ebp-%C3%AE-c-fos-mmp-7-pathways
#13
Kun-Yuan Chiu, Tzu-Hsiu Chen, Chi-Luan Wen, Jin-Mei Lai, Chi-Chih Cheng, Hsiang-Chun Liu, Shih-Lan Hsu, Yew-Min Tzeng
Antcin-H, a natural triterpene, is purified from a famous anticancer medicinal mushroom, Antrodia cinnamomea, in Taiwan. This study showed that antcin-H inhibited the growth of human renal carcinoma 786-0 cells; the IC50 value (for 48 h) was 170 μM. Besides, the migration and invasion of 786-0 cells were suppressed by antcin-H under noncytotoxic concentrations (<100 μM); these events were accompanied by inhibition of FAK and Src kinase activities, decrease of paxillin phosphorylation, impairment of lamellipodium formation, and upregulation of TIMPs and downregulation of MMPs, especially MMP-7 expression...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234261/the-inverse-association-between-the-baseline-renal-function-and-overall-survival-in-patients-with-metastatic-renal-cell-carcinoma-treated-with-molecular-targeted-agents
#14
Hideaki Miyake, Satoshi Imai, Seiichiro Ozono, Masato Fujisawa
Background: The objective of this study was to investigate the prognostic significance of the baseline renal function in metastatic renal cell carcinoma (mRCC) patients treated with molecular-targeted agents. Patients and Methods: This study included 408 consecutive mRCC patients receiving molecular-targeted therapy, consisting of 124 patients in group A and 284 patients in group B who had baseline estimated glomerular filtration rates ≥ 60 ml/min/1.73 m2 and < 60 ml/min/1...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29233453/cytological-diagnosis-of-a-rare-case-of-cutaneous-metastasis-from-transitional-cell-carcinoma-renal-pelvis
#15
Pragya Singh, Sachin Kolte, Gunjesh Kumar Singh
Transitional cell carcinoma (TCC) arising from renal pelvis rarely gives rise to cutaneous metastasis. Due to the insufficient literature, the exact incidence is not known till date. Moreover, the diagnosis is confirmed on histopathological examination with the aid of immunohistochemistry wherever needed. We are presenting a case of a 70-year-old female with metastatic TCC from the renal pelvis to the abdominal skin, which was diagnosed on cytology alone along with the cell block preparation. We also highlight the important cytomorphological and immunohistochemical features noted, which need to be known to avoid any diagnostic delay...
December 7, 2017: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/29232796/-four-cases-of-bacteremia-caused-by-helicobacter-cinaedi-in-the-urological-ward-at-about-the-same-time
#16
Yoshiki Hiyama, Satoshi Takahashi, Naotaka Nishiyama, Mami Nakae, Satoshi Fujii, Masaaki Shinagawa, Naoya Masumori
Here we report the outbreak of bacteremia caused by Helicobacter cinaedi (H. cinaedi) in the urology ward. Case 1 was a man in his seventies with prostate cancer. Bacteremia caused by H. cinaedi developed 6 days after robot-assisted radical prostatectomy. Case 2 was a man in his sixties with small cell carcinoma of the prostate. Bacteremia developed at 5 days of docetaxel therapy. Case 3 was a man in his fifties with left renal pelvis carcinoma. Bacteremia developed 3 days after laparoscopic left nephroureterectomy...
November 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29232025/hospital-volume-and-outcomes-of-robot-assisted-partial-nephrectomy
#17
Leilei Xia, Jose E Pulido, Raju R Chelluri, Marshall C Strother, Benjamin L Taylor, Jay D Raman, Thomas J Guzzo
OBJECTIVE: To evaluate the impact of hospital volume on outcomes of robot-assisted partial nephrectomy (RAPN). MATERIALS AND METHODS: Patients with renal cell carcinoma who underwent RAPN between 2010 and 2013 were identified in the National Cancer Database. Hospital yearly RAPN volume was categorized into five groups by most closely sorting patients into five groups of equal size (quintiles): very low, low, medium, high, and very high. Outcomes included 30-day mortality, 90-day mortality, open conversion, prolonged length of stay (PLOS, >3 days), 30-day readmission, and positive surgical margin (PSM) rates...
December 12, 2017: BJU International
https://www.readbyqxmd.com/read/29230706/differential-diagnosis-of-the-small-renal-masses-role-of-the-apparent-diffusion-coefficient-of-the-diffusion-weighted-mri
#18
Yulian Mytsyk, Ihor Dutka, Borys Yuriy, Iryna Maksymovych, Martin Caprnda, Katarina Gazdikova, Luis Rodrigo, Peter Kruzliak, Polina Illjuk, Ammad Ahmad Farooqi
INTRODUCTION: Renal cell carcinoma (RCC) accounts for approximately 3% of adult malignancies and more than 90% of neoplasms arising from the kidney. Uninformative percutaneous kidney biopsies vary from 10 to 23%. As a result, 7.5-33.6% of partial nephrectomies in patients with small renal masses (SRM) are performed on benign renal tumors. The aim of this study was to assess the feasibility of the apparent diffusion coefficient (ADC) of the diffusion-weighted imaging (DWI) of MRI, as RCC imaging biomarker for differentiation of SRM...
December 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29230688/therapeutic-effects-of-histone-deacetylase-inhibitors-on-kidney-disease
#19
REVIEW
Pusoon Chun
Increasing evidence has shown the involvement of histone deacetylases (HDACs) in the development and progression of various renal diseases, highlighting its inhibition as a promising therapeutic strategy to prevent kidney diseases. Accordingly, numerous studies have shown that HDAC inhibitors protect the kidneys from various diseases through their effects on multiple pathways, such as suppression of transforming growth factor-β signaling pathway and nuclear factor-κB signaling pathways, augmentation of apoptosis, and inhibition of angiogenesis...
December 11, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29230210/checkpoint-blockade-toxicity-and-immune-homeostasis-in-the-gastrointestinal-tract
#20
REVIEW
Michael Dougan
Monoclonal antibodies targeting the regulatory immune "checkpoint" receptors CTLA-4, PD-1, and PD-L1 are now standard therapy for diverse malignancies including melanoma, lung cancer, and renal cell carcinoma. Although effective in many patients and able to induce cures in some, targeting these regulatory pathways has led to a new class of immune-related adverse events. In many respects, these immune toxicities resemble idiopathic autoimmune diseases, such as inflammatory bowel disease, autoimmune hepatitis, rheumatoid arthritis, and vitiligo...
2017: Frontiers in Immunology
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