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https://www.readbyqxmd.com/read/27915478/targeting-the-phosphatidylinositol-3-kinase-pathway-in-gastric-cancer-can-omics-improve-outcomes
#1
REVIEW
Phu Tran, Cham Nguyen, Samuel J Klempner
Phosphatidylinositol-3-kinase (PI3K) pathway signaling is an established oncogenic signal transduction pathway implicated in multiple malignancies. Therapeutic targeting of PI3K pathway components has improved outcomes in chronic lymphocytic leukemia, kidney cancer, breast cancer, and neuroendocrine tumors. Gastric cancers harbor some of the highest rates of oncogenic alterations in PI3K but attempts to translate this genomic observation have met with limited clinical success and novel approaches are needed...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27910890/adjuvant-radiotherapy-for-locally-advanced-upper-tract-urothelial-carcinoma
#2
Yun-Ching Huang, Ying-Hsu Chang, Kuo-Hsiung Chiu, Alan W Shindel, Chia-Hsuan Lai
There is relatively little literature on adjuvant radiotherapy after radical nephroureterectomy with bladder cuff excision (RNU) for patients with upper tract urothelial carcinoma (UTUC). This study was designed to determine the efficacy of adjuvant radiotherapy for patients with pT3N0M0 UTUC. We retrospectively reviewed 198 patients treated with RNU between December 2001 and January 2015. Postoperative radiotherapy was administered in 40 (20.2%) of patients. Patients who received radiotherapy were younger than those that did not (65...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910780/naringenin-ameliorates-doxorubicin-toxicity-and-hypoxic-condition-in-dalton-s-lymphoma-ascites-tumor-mouse-model-evidence-from-electron-paramagnetic-resonance-imaging
#3
Venkatesan Kathiresan, Swathika Subburaman, Arun Venkatesh Krishna, Mathivanan Natarajan, Gandhidasan Rathinasamy, Kumaresan Ganesan, Murugesan Ramachandran
Doxorubicin (DOX) is a well-known cytotoxic agent used extensively as a chemotherapeutic drug to eradicate a wide variety of human cancers. Reactive oxygen species (ROS)-mediated oxidative stress during DOX treatment can induce cardiac, renal, and hepatic toxicities, which can constrain its use as a potential cytotoxic agent. The present work investigates the antioxidant potential of naringenin (NAR) against DOXinduced toxicities of a Dalton's lymphoma ascites (DLA) tumor-bearing mouse model. Mice were randomized into four groups: a negative control, positive control, DOX (2...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27909903/obesity-and-kidney-cancer
#4
Kathryn M Wilson, Eunyoung Cho
Renal cell cancer (RCC) is the major type of kidney cancer with increasing incidence. Obesity is one of the well-established risk factors for RCC. Meta-analyses including multiple cohort and case-control studies have found a consistent positive association between obesity and RCC. The association appeared to be independent of other RCC risk factors including hypertension and has been often stronger in women, although a positive association has also been observed in men. Obesity has been largely measured as body mass index (BMI)...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909782/associations-between-serum-vitamin-e-concentration-and-bone-mineral-density-in-the-us-elderly-population
#5
J Zhang, X Hu, J Zhang
: Mixed findings regarding effects of vitamin E on bone metabolism existed. We were the first to find a negative association between serum α-tocopherol concentration and bone mineral density in the US elderly population. Using vitamin E supplement as α-tocopherol to promote bone health was not warranted at this time. INTRODUCTION: The aim of the study is to examine the associations between serum vitamin E (α-tocopherol and γ-tocopherol) status and bone mineral density (BMD) among the US elderly population...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27909713/age-associated-differences-in-transporter-gene-expression-in-kidneys-of-male-rats
#6
Yong-Ji Xu, Yang Wang, Yuan-Fu Lu, Shang-Fu Xu, Qin Wu, Jie Liu
Kidney transporters are involved in the secretion and reabsorption of endogenous and exogenous molecules. Numerous factors may influence their expression and affect drug disposition, efficacy and toxicity. The present study aimed to examine the development‑ and age‑associated variations in primary renal transporters in rats, including 6 uptake transporters: Organic anion transporter (OAT) 1 and 3, organic cation transporter (OCT) 1, 2 and 3 and organic anion‑transporting polypeptide (OATP) 4C1, and 6 efflux transporters: Multidrug resistance protein 1 (MDR1), breast cancer resistance protein (BCRP), multidrug resistance‑associated protein (MRP) 2 and 4, and multidrug and toxin extrusion protein (MATE) 1 and 2‑K...
November 28, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27909618/clinico-pathological-outcomes-of-post-primary-and-salvage-chemotherapy-retroperitoneal-lymph-node-dissection-for-mixed-germ-cell-tumors-king-hussein-cancer-center-experience
#7
Kholoud Alqasem, Ibrahim Abukhiran, Judy Jasser, Tamer Bisharat, Riyad T Ellati, Jakub Khzouz, Ibrahim Al-Saidi, Ali Al-Daghamin
OBJECTIVE: We sought to characterize clinical and pathologic outcomes of advanced mixed germ cell tumors after retroperitoneal lymph node dissection for post-chemotherapy residual masses. MATERIAL AND METHODS: Between January 2006 and November 2015, 56 patients underwent retroperitoneal lymph node dissection (RPLND) for residual masses of greater than 1 cm after receiving either primary chemotherapy or salvage chemotherapy. Retrospective review of the patients' characteristics, clinical, pathological, and treatment outcomes were performed after institutional review board (IRB) and ethics committee approval...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27908924/excess-weight-as-a-risk-factor-common-to-many-cancer-sites-words-of-caution-when-interpreting-meta-analytic-evidence
#8
Melina Arnold, Andrew G Renehan, Graham A Colditz
For over a decade, excess body weight, commonly categorized as overweight (body mass index, BMI: 25.0 to 29.9 kg/m2) and obesity (BMI: ≥ 30 kg/m2) has been an established incidence risk factor for several adult cancers (1). For 2012, the burden of disease attributed to elevated BMI was estimated as nearly half-million new cancers worldwide, making this the third highest ranked cancer risk factor globally after smoking and infections (ranked second in most western populations) and an important public health problem (2, 3)...
December 1, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27908680/the-effect-of-contralateral-kidney-volume-on-renal-function-after-radical-nephroureterectomy-implications-for-eligibility-for-neoadjuvant-chemotherapy-for-upper-tract-urothelial-cancer
#9
Wan Song, Hyun Hwan Sung, Deok Hyun Han, Byong Chang Jeong, Seong Il Seo, Seong Soo Jeon, Hyun Moo Lee, Han Yong Choi, Hwang Gyun Jeon
PURPOSE: We investigated the effect of preoperative contralateral kidney (CK) volume on renal function after radical nephroureterectomy (RNU). METHODS: We reviewed 630 patients who underwent RNU between September 1994 and December 2013. Of these 630 patients, 135 patients with advanced upper tract urothelial cancer were ultimately included. Preoperative CK volume was measured from computed tomography images of the venous phase using a specialized volumetric program...
November 28, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27903157/obesity-and-other-cancers
#10
Lin Yang, Bettina F Drake, Graham A Colditz
Purpose Evidence on overweight, obesity, and an increased risk of cancer continues to accumulate and was updated in the 2016 handbook on weight control from the International Agency for Research on Cancer (IARC). The underlying primary data, together with dose-response meta-analysis and, finally, pooled analysis of individual participant data, add insight into the relation between obesity and cancer risk and prognosis. We summarize the evidence for mortality from prostate cancer, hematologic malignancies, and kidney cancer...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27900942/association-between-chronic-kidney-disease-and-cancer-mortality-a-report-from-the-allhat
#11
Dhruti P Chen, Barry R Davis, Lara M Simpson, William C Cushman, Jeffrey A Cutler, Mirela Dobre, Charles E Ford, Gail T Louis, Paul Muntner, Suzanne Oparil, Linda B Piller, Sara L Pressel, Mark J Sarnak, Paul K Whelton, Jackson T Wright, Mahboob Rahman
BACKGROUND/OBJECTIVES: Chronic kidney disease (CKD) and cancer are both common in older patients; whether CKD increases risk for cancer is unclear. This study evaluated CKD as a risk factor for cancer mortality in a large cohort of hypertensive patients. STUDY DESIGN: We did post-hoc analyses of in-trial and post-trial data from participants in the Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT). SETTING AND PARTICIPANTS: Participants were ≥ 55 years old with hypertension and one other additional risk factor for coronary heart disease...
November 30, 2016: Clinical Nephrology
https://www.readbyqxmd.com/read/27900108/high-dose-chemotherapy-with-autologous-peripheral-blood-stem-cell-transplantation-for-choriocarcinoma-a-case-report-and-literature-review
#12
Eiko Yamamoto, Kaoru Niimi, Kayo Fujikake, Tetsuya Nishida, Makoto Murata, Ayako Mitsuma, Yuichi Ando, Fumitaka Kikkawa
Choriocarcinoma is a malignant gestational trophoblastic neoplasia (GTN) and one of the curable types of gynecological cancer. However, 10% of choriocarcinoma patients have a poor prognosis, particularly when they have metastasis, apart from pulmonary metastasis, or do not go into remission by the second chemotherapeutic regimen. We herein present the case of a 36-year-old patient who had choriocarcinoma with metastases to the lungs, liver and kidneys. The 5th and 6th regimens with cisplatin for choriocarcinoma failed and the patient developed brain metastases...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27900057/in-vitro-and-in-vivo-inhibition-of-tumor-cell-viability-by-combined-dihydroartemisinin-and-doxorubicin-treatment-and-the-underlying-mechanism
#13
Xiang Tai, Xiao-Bei Cai, Zhang Zhang, Rui Wei
The natural extract artemisinin and its derivatives have good anticancer activity. The present study aimed to investigate the in vitro inhibitory effects of combined dihydroartemisinin (DHA) and doxorubicin (DOX) treatment on a variety of tumor cell lines (HeLa, OVCAR-3, MCF-7, PC-3 and A549), as well as the underlying mechanisms. In addition, the in vivo effects of DHA and DOX were evaluated using a mouse HeLa tumor model. The HeLa, OVCAR-3, MCF-7, PC-3 and A549 cells were treated with a combination of DHA and DOX, and the effect on cell viability was detected by Cell Counting kit-8...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27900039/networks-analysis-of-genes-and-micrornas-in-human-wilms-tumors
#14
Jimin He, Xiaoxin Guo, Linlin Sun, Kuhao Wang, Haiying Yao
Wilms' tumor (WT) is a common kidney cancer. To date, the expression of genes [transcription factors (TFs), target genes and host genes] and microRNAs (miRNAs/miRs) in WTs has captured the attention of biologists, while the regulatory association between the genes and miRNAs remains unclear. In the present study, TFs, miRNAs, target genes and host genes were considered as key factors in the construction of three levels of regulatory networks, namely, the differentially-expressed network, the related network and the global network...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899981/the-effect-and-clinical-efficacy-of-lienal-polypeptide-injection-combined-with-folfox-chemotherapy-regimen-in-colon-cancer-patients
#15
Juan Zhou, Guoping Niu, Yunfeng Pei, Chunping Cao, Chen Ding, Guangming Sun, Jing Guo, Yong Liu, Yang Yu
The aim was to investigate the clinical efficacy and immunomodulatory effect of lienal polypeptide injection combined with postoperative FOLFOX chemotherapy regimen in colon cancer patients. A total of 84 colon cancer patients were selected between January, 2014 and December, 2015. The selected patients were randomly divided into the observation (42 patients) and control (42 patients) groups. The observation group patients were treated with FOLFOX chemotherapy regimen combined with lienal polypeptide, whereas, the control group patients were treated with FOLFOX chemotherapeutic regimen only...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899233/clear-cell-type-a-and-b-molecular-subtypes-in-metastatic-clear-cell-renal-cell-carcinoma-tumor-heterogeneity-and-aggressiveness
#16
Daniel J Serie, Richard W Joseph, John C Cheville, Thai H Ho, Mansi Parasramka, Tracy Hilton, R Houston Thompson, Bradley C Leibovich, Alexander S Parker, Jeanette E Eckel-Passow
BACKGROUND: Intratumor molecular heterogeneity has been reported for primary clear cell renal cell carcinoma (ccRCC) tumors; however, heterogeneity in metastatic ccRCC tumors has not been explored. OBJECTIVE: To evaluate intra- and intertumor molecular heterogeneity in resected metastatic ccRCC tumors. DESIGN, SETTING, AND PARTICIPANTS: We identified 111 patients who had tissue available from their primary tumor and at least one metastasis...
November 26, 2016: European Urology
https://www.readbyqxmd.com/read/27899189/genetic-predisposition-to-kidney-cancer
#17
REVIEW
Laura S Schmidt, W Marston Linehan
Kidney cancer is not a single disease but is made up of a number of different types of cancer classified by histology that are disparate in presentation, clinical course, and genetic basis. Studies of families with inherited renal cell carcinoma (RCC) have provided the basis for our understanding of the causative genes and altered metabolic pathways in renal cancer with different histologies. Von Hippel-Lindau disease was the first renal cancer disorder with a defined genetic basis. Over the next two decades, the genes responsible for a number of other inherited renal cancer syndromes including hereditary papillary renal carcinoma, Birt-Hogg-Dube´syndrome, hereditary leiomyomatosis and renal cell carcinoma, and succinate dehydrogenase-associated renal cancer were identified...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27897082/ameliorative-effect-of-an-oxovanadium-iv-complex-against-oxidative-stress-and-nephrotoxicity-induced-by-cisplatin
#18
Abhishek Basu, Arin Bhattacharjee, Subhadip Hajra, Amalesh Samanta, Sudin Bhattacharya
OBJECTIVE: The present study was designed to investigate the chemoprotective efficacy of an L-cysteine-based oxovanadium (IV) complex, namely, oxovanadium (IV)-L-cysteine methyl ester complex (VC-IV) against cisplatin (CDDP)-induced renal injury in Swiss albino mice. METHODS: CDDP was administered intraperitoneally (5 mg/kg body weight) and VC-IV was administered orally (1 mg/kg body weight) in concomitant and 7 days pre-treatment schedule. RESULTS: CDDP-treated mice showed marked kidney damage and renal failure...
November 29, 2016: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/27897002/a-methylation-to-expression-feature-model-for-generating-accurate-prognostic-risk-scores-and-identifying-disease-targets-in-clear-cell-kidney-cancer
#19
Jeffrey A Thompson, Carmen J Marsit
Many researchers now have available multiple high-dimensional molecular and clinical datasets when studying a disease. As we enter this multi-omic era of data analysis, new approaches that combine different levels of data (e.g. at the genomic and epigenomic levels) are required to fully capitalize on this opportunity. In this work, we outline a new approach to multi-omic data integration, which combines molecular and clinical predictors as part of a single analysis to create a prognostic risk score for clear cell renal cell carcinoma...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896628/clinical-translation-of-tumor-acidosis-measurements-with-acidocest-mri
#20
Kyle M Jones, Edward A Randtke, Eriko S Yoshimaru, Christine M Howison, Pavani Chalasani, Robert R Klein, Setsuko K Chambers, Phillip H Kuo, Mark D Pagel
PURPOSE: We optimized acido-chemical exchange saturation transfer (acidoCEST) magnetic resonance imaging (MRI), a method that measures extracellular pH (pHe), and translated this method to the radiology clinic to evaluate tumor acidosis. PROCEDURES: A CEST-FISP MRI protocol was used to image a flank SKOV3 tumor model. Bloch fitting modified to include the direct estimation of pH was developed to generate parametric maps of tumor pHe in the SKOV3 tumor model, a patient with high-grade invasive ductal carcinoma, and a patient with metastatic ovarian cancer...
November 28, 2016: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
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