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https://www.readbyqxmd.com/read/28738343/mir-26a-b-inhibit-tumor-growth-and-angiogenesis-by-targeting-the-hgf-vegf-axis-in-gastric-carcinoma
#1
Yiran Si, Haiyang Zhang, Tao Ning, Ming Bai, Yi Wang, Haiou Yang, Xinyi Wang, Jialu Li, Guoguang Ying, Yi Ba
BACKGROUND/AIMS: Abnormal expression of HGF is found in various cancers and correlates with tumor proliferation, metastasis and angiogenesis. However, the regulatory mechanism of the HGF-VEGF axis remains unclear. METHODS: The expression characteristic of HGF in human gastric cancer tissues was shown by an immunohistochemistry assay, and the expression levels of target protein were detected by Western blot. The relative levels of miR-26a/b and target mRNA were examined by qRT-PCR...
July 24, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28737580/nivolumab-induced-development-of-pulmonary-sarcoidosis-in-renal-cell-carcinoma
#2
Meng Zhang, Geoffrey Schembri
A 64-year-old woman with metastatic clear cell renal carcinoma who had been on nivolumab immunotherapy for 10 months was referred for a FDG PET scan to monitor disease progress. New bilateral mediastinal and hilar FDG-avid lymphadenopathy was noted. Pathology on subsequent mediastinal nodal biopsy showed well-formed epithelioid granulomas with no evidence of malignancy consistent with sarcoidosis. This case illustrates that pulmonary sarcoidosis can be induced by immunotherapy in the treatment of renal cell carcinoma...
July 22, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28736749/synchronous-primary-renal-lymphoma-and-renal-cell-carcinoma-collision-tumors-in-the-same-kidney
#3
Neil J Kocher, Stephan Leung, Nabeel E Sarwani, Joshua I Warrick, Jay D Raman
Background: Primary renal lymphoma (PRL) is an exceptionally rare disease with under 50 reported cases in the literature. PRL is an aggressive condition that can present with nonspecific symptoms and local invasion mimicking renal cell carcinoma (RCC). We present an unusual case involving a collision tumor between PRL and RCC. Case Presentation: The patient is a 62-year-old immunosuppressed man with an incidental left renal mass on cross-sectional imaging. Renal mass biopsy confirmed clear cell type RCC. He underwent robot-assisted, laparoscopic left radical nephrectomy for presumed RCC without evidence for extrarenal disease or discernable lymphadenopathy...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28736283/multicellular-dosimetric-chain-for-molecular-radiotherapy-exemplified-with-dose-simulations-on-3d-cell-spheroids
#4
Vappu Reijonen, Liisa K Kanninen, Eero Hippeläinen, Yan-Ru Lou, Eero Salli, Alexey Sofiev, Melina Malinen, Timo Paasonen, Marjo Yliperttula, Antti Kuronen, Sauli Savolainen
PURPOSE: Absorbed radiation dose-response relationships are not clear in molecular radiotherapy (MRT). Here, we propose a voxel-based dose calculation system for multicellular dosimetry in MRT. We applied confocal microscope images of a spherical cell aggregate i.e. a spheroid, to examine the computation of dose distribution within a tissue from the distribution of radiopharmaceuticals. METHODS: A confocal microscope Z-stack of a human hepatocellular carcinoma HepG2 spheroid was segmented using a support-vector machine algorithm and a watershed function...
July 20, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28736248/comparison-of-survival-for-partial-vs-radical-nephrectomy-in-young-patients-with-t1a-renal-cell-carcinoma-treated-at-commission-on-cancer-accredited-facilities-and-influence-of-comorbidities-on-treatment-choice
#5
Daniel C Wang, Kyle Plante, Telisa Stewart, Dongliang Wang, Margaret Formica, Michael Daugherty, Gennady Bratslavsky
PURPOSE: There is a paucity of data comparing effects of partial nephrectomy (PN) vs. radical nephrectomy (RN) on overall survival in young patients. In this study, the National Cancer Database was used to evaluate the survival outcomes of those treated with PN and RN, and influence of comorbidities on surgical treatment (PN vs. RN) in young patients while accounting for Charlson-Deyo Comorbidity Score (CDCS). MATERIALS AND METHODS: Patients between 20 and 44 years old (n = 9,849) surgically treated for pT1a renal cell carcinoma between 2004 and 2013 were identified from the National Cancer Database...
July 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28735111/screening-disrupted-molecular-functions-and-pathways-associated-with-clear-cell-renal-cell-carcinoma-using-gibbs-sampling
#6
Ning Nan, Qi Chen, Yu Wang, Xu Zhai, Chuan-Ce Yang, Bin Cao, Tie Chong
OBJECTIVE: To explore the disturbed molecular functions and pathways in clear cell renal cell carcinoma (ccRCC) using Gibbs sampling. METHODS: Gene expression data of ccRCC samples and adjacent non-tumor renal tissues were recruited from public available database. Then, molecular functions of expression changed genes in ccRCC were classed to Gene Ontology (GO) project, and these molecular functions were converted into Markov chains. Markov chain Monte Carlo (MCMC) algorithm was implemented to perform posterior inference and identify probability distributions of molecular functions in Gibbs sampling...
July 13, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28734029/successful-treatment-of-metastatic-clear-cell-carcinoma-with-nivolumab-in-a-patient-receiving-dialysis-treatment
#7
Tadashi Tabei, Ichiro Natsume, Kazuki Kobayashi
The efficacy and safety of nivolumab for patients receiving dialysis treatment has not been established yet. Herein, we describe a patient on dialysis successfully treated with nivolumab as seventh-line therapy for metastatic renal cell carcinoma. Before initiating nivolumab, he had respiratory discomfort induced by a lesion occluding the left intermediate bronchus that originated from the metastatic lymph node behind the tracheal bifurcation. Four weeks after nivolumab was initiated, his symptom remarkably improved, and the occlusion disappeared according to the bronchoscopy examination...
July 21, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28733544/identification-of-lefty-as-a-molecular-marker-for-ovarian-clear-cell-carcinoma
#8
Masashi Akiya, Masaaki Yamazaki, Toshihide Matsumoto, Yusuke Kawashima, Yasuko Oguri, Sabine Kajita, Daiki Kijima, Risako Chiba, Ako Yokoi, Hiroyuki Takahashi, Yoshio Kodera, Makoto Saegusa
To identify proteins involved in ovarian clear cell carcinoma (OCCCa), shotgun proteomics analysis was applied using formalin-fixed and paraffin-embedded samples of ovarian carcinoma. Analysis of 1521 proteins revealed that 52 were differentially expressed between four OCCCa and 12 non-OCCCa samples. Of the highly expressed proteins in OCCCa, we focused on left-right determination factor (LEFTY), a novel member of the transforming growth factor-β superfamily. In 143 cases of ovarian epithelial carcinoma including 99 OCCCas and 44 non-OCCCas, LEFTY expression at both mRNA and protein levels was significantly higher in OCCCas compared with non-OCCCas, with the mRNA expression of LEFTY1 being predominant compared to that of LEFTY2...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28733426/frameshift-indels-generate-highly-immunogenic-tumor-neoantigens
#9
(no author information available yet)
Renal clear cell carcinomas have the highest proportion of indels, which are linked to immune activation.
July 21, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28731496/prognostic-factors-for-survival-in-metastatic-renal-cell-carcinoma-patients-with-brain-metastases-receiving-targeted-therapy
#10
Ibrahim Yildiz, Ahmet Bilici, Nuri Karadurmuş, Leyla Ozer, Deniz Tural, Mehmet A Kaplan, Tülay Akman, Ibrahim V Bayoglu, Mükremin Uysal, Yaşar Yildiz, Özgür Tanriverdi, Ozan Yazici, Zeki Sürmeli, Nazim Serdar Turhal, Sevil Bavbek, Fatih Selçukbiricik, Doğan Koca, Mert Basaran
BACKGROUND: The primary objective of our study was to examine the clinical outcomes and prognosis of patients with metastatic renal cell carcinoma (mRCC) with brain metastases (BMs) receiving targeted therapy. PATIENTS AND METHODS: Fifty-eight patients from 16 oncology centers for whom complete clinical data were available were retrospectively reviewed. RESULTS: The median age was 57 years (range 30-80). Most patients underwent a nephrectomy (n = 41; 70...
July 14, 2017: Tumori
https://www.readbyqxmd.com/read/28731045/renal-cell-tumors-with-clear-cell-histology-and-intact-vhl-and-chromosome-3p-a-histological-review-of-tumors-from-the-cancer-genome-atlas-database
#11
Laura Favazza, Dhananjay A Chitale, Ravi Barod, Craig G Rogers, Shanker Kalyana-Sundaram, Nallasivam Palanisamy, Nilesh S Gupta, Sean R Williamson
Clear cell renal cell carcinoma is by far the most common form of kidney cancer; however, a number of histologically similar tumors are now recognized and considered distinct entities. The Cancer Genome Atlas published data set was queried (http://cbioportal.org) for clear cell renal cell carcinoma tumors lacking VHL gene mutation and chromosome 3p loss, for which whole-slide images were reviewed. Of the 418 tumors in the published Cancer Genome Atlas clear cell renal cell carcinoma database, 387 had VHL mutation, copy number loss for chromosome 3p, or both (93%)...
July 21, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28730785/pdcd1-strengthens-the-sensitivity-of-ovarian-cancer-to-cisplatin-chemotherapy-by-promoting-apoptosis
#12
Qian Li, Jie-Fan Gao, Bing-Li Qi
PURPOSE: The primary purpose of this study was to make clear the role of PDCD1 in the occurrence and progression of ovarian cancer, and explain its mechanism. METHODS: RT-PCR, westem blot, MTT and immunohistochemistry were used to detect the expression levels of PDCD1 mRNA and protein in human ovarian cancer cell lines (SKOV3, 3AO, CAOV3 and OVCAR3), human normal ovary, serous cystadenoma, and serous cystadenocarcinoma tissue. SKOV3, SKOV3-MOCK, and SKOV3-PDCD1 cells were subcutaneously injected into the armpit of nude mice to observe the effect of PDCD1 expression on tumorigenic ability...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28729764/deciphering-the-role-of-micrornas-in-brd4-nut-fusion-gene-induced-nut-midline-carcinoma
#13
Ekta Pathak, Bhavya, Divya Mishra, Neelam Atri, Rajeev Mishra
NUT midline carcinoma (NMC) is a very aggressive and lethal type of squamous epithelial cell cancer caused due to fusion of BRD4 and NUT genes. The gene fusion results into a new fusion protein that promotes oncogenesis. The detailed molecular mechanisms underlying the NMC are still not clear and new findings are urgently required to complement the current efforts. Abnormal microRNAs (miRNA) expression promotes tumour formation by modulating the functional expression of critical genes other than the parent genes involved in tumour cell proliferation or survival...
2017: Bioinformation
https://www.readbyqxmd.com/read/28728992/retroperitoneal-lymphadenectomy-in-high-risk-non-metastatic-renal-cell-carcinoma-an-analysis-of-the-assure-ecog-acrin-2805-adjuvant-trial
#14
Benjamin T Ristau, Judi Manola, Naomi B Haas, Daniel Y C Heng, Edward M Messing, Christopher G Wood, Christopher J Kane, Robert S DiPaola, Robert G Uzzo
PURPOSE: Lymphadenectomy (LND) is a well-established practice in many urologic malignancies; however, its role in renal cell carcinoma (RCC) is less clear. Our primary objective was to determine whether LND impacted survival in patients with fully resected high-risk RCC. PATIENTS AND METHODS: Patients with fully resected high-risk, non-metastatic RCC were randomized to adjuvant sorafenib, sunitinib, or placebo in the Adjuvant Sorafenib and Sunitinib for Unfavorable Renal Carcinoma (ASSURE) trial...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28728296/-intramural-gastric-metastasis-of-esophageal-squamous-cell-carcinoma-an-analysis-of-imaging-findings-and-clinicopathological-features
#15
Y J Zhu, L Y Xue, Y Li, J Jiang, T T Liu, L M Jiang
Objective: To discuss the imaging findings and clinicopathological features of the intramural gastric metastasis (IGM) of esophageal squamous cell carcinoma. Methods: The imaging findings of 11 patients with IGM confirmed by surgical pathology were reviewed retrospectively, and compared with clinicopathological features. Of the 11 cases, eight underwent upper gastrointestinal radiography, ten underwent contrast enhanced computed tomography (CT) scans and one underwent plain CT scanning. Results: In all 11 cases, the primary cancer was located in the middle or lower thoracic esophagus, and nine of 11 had lymph nodes metastasis...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728223/-expression-and-bioinformatics-analysis-of-long-chain-non-coding-rna-pvt1-in-tumors
#16
M Wang, W Gao, Y F Bai, D H Lu, L H Teng
Objective: To study the expression and mechanism of long-chain non-coding RNA PVT1 in tumor by bioinformatics analysis and experimental verification, and to provide new ideas for the study of the pathogenesis of tumors. Methods: The expression of PVT1 in 14 common tumors was downloaded from starBase v2.0 public database, which also was verified by PVT1 RNA-in situ hybridization.The upstream transcription factors, the downstream target microRNA(miRNA) for PVT1 and the target genes for the target miRNAs were predicted and analyzed by using bioinformatics based on the database of UCSC Genome Browser, HMDD v2...
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28728166/whole-genome-sequencing-revealed-novel-prognostic-biomarkers-and-promising-targets-for-therapy-of-ovarian-clear-cell-carcinoma
#17
Hiroaki Itamochi, Tetsuro Oishi, Nao Oumi, Satoshi Takeuchi, Kosuke Yoshihara, Mikio Mikami, Nobuo Yaegashi, Yasuhisa Terao, Kazuhiro Takehara, Kimio Ushijima, Hidemichi Watari, Daisuke Aoki, Tadashi Kimura, Toshiaki Nakamura, Yoshihito Yokoyama, Junzo Kigawa, Toru Sugiyama
BACKGROUND: Ovarian clear cell carcinoma (OCCC) is mostly resistant to standard chemotherapy that results in poor patient survival. To understand the genetic background of these tumours, we performed whole-genome sequencing of OCCC tumours. METHODS: Tumour tissue samples and matched blood samples were obtained from 55 Japanese women diagnosed with OCCC. Whole-genome sequencing was performed using the Illumina HiSeq platform according to standard protocols. RESULTS: Alterations to the switch/sucrose non-fermentable (SWI/SNF) subunit, the phosphatidylinositol-3-kinase (PI3K)/Akt signalling pathway, and the receptor tyrosine kinase (RTK)/Ras signalling pathway were found in 51%, 42%, and 29% of OCCC tumours, respectively...
July 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28727370/serum-tissue-factor-as-a-biomarker-for-renal-clear-cell-carcinoma
#18
Daniel D'Oliveira Silva, Jorge A P Noronha, Bartira E Pinheiro da Costa, Pedro Caetano Edler Zandona, Gustavo F Carvalhal
PURPOSE: to determine the usefulness of serum TF as a potential marker for patients with clear cell RCC. MATERIALS AND METHODS: prospective study of 30 patients with clear cell RCC submitted to nephrectomy and 16 controls without clear cell RCC treated surgically for other conditions. TF is a endothelium marker that was correlated with worse prognosis in a variety of solid tumors including RCC. Serum TF was collected before surgery at the operating room and in the postoperative setting after at least four weeks...
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28726505/renal-angiomyolipoma-radiologic-classification-and-imaging-features-according-to-the-amount-of-fat
#19
Byung Kwan Park
OBJECTIVE: The purposes of this article are to introduce the radiologic classifications of renal angiomyolipoma (AML) and the clinical implications, to show the imaging features of each type of AML, and to describe which types of AML should be biopsied. CONCLUSION: Renal AML can be classified according to amount of fat as fat rich, fat poor, or fat invisible. To detect fat, one needs to thoroughly evaluate the entire AML by controlling the size and shape of the ROI...
July 20, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28726134/non-functioning-parathyroid-carcinoma-a-case-report
#20
Nobuyasu Suganuma, Hiroyuki Iwasaki, Satoru Shimizu, Tatsuya Yoshida, Takashi Yamanaka, Izumi Kojima, Haruhiko Yamazaki, Soji Toda, Hirotaka Nakayama, Katsuhiko Masudo, Yasushi Rino, Kae Kawachi, Yohei Miyagi, Akio Miyake, Kenichi Ohashi, Munetaka Masuda
BACKGROUND: Non-functioning parathyroid carcinoma is a rare disease that is difficult to distinguish from other diseases based on the lack of hyperparathyroidism. This is a report of non-functioning parathyroid carcinoma diagnosed by reverse transcription polymerase chain reaction (RT-PCR) targeting parathyroid hormone (PTH) messenger RNA. CASE PRESENTATION: The patient is a 67-year-old male who visited our hospital for the chief complaint of hoarseness. A 5-cm mass was observed in the right lobe of the thyroid gland, and poorly differentiated thyroid carcinoma was suspected according to the fine-needle biopsy results...
December 2017: Surgical Case Reports
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