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https://www.readbyqxmd.com/read/28731904/monoclonal-gammopathy-of-undetermined-significance-after-kidney-transplantation-single-center-experience
#1
Gaetano Alfano, Francesco Fontana, Elisabetta Colaci, Andrea Messerotti, Francesca Bettelli, Leonardo Potenza, Mario Luppi, Gianni Cappelli
BACKGROUND: Monoclonal gammopathy of undetermined significance (MGUS) is an asymptomatic premalignant plasma cell disorder. Prevalence and clinical outcomes of MGUS in kidney transplant (KT) recipients have been previously reported in few studies with conflicting results. METHODS: We conducted a retrospective study in a population of 548 KT recipients transplanted between 1998 and 2015. RESULTS: Thirty-nine subjects (8.1%) developed MGUS after KT...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731496/prognostic-factors-for-survival-in-metastatic-renal-cell-carcinoma-patients-with-brain-metastases-receiving-targeted-therapy
#2
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/28731135/multi-glycoside-of-tripterygium-wilfordii-hook-%C3%A2-f-attenuates-glomerulosclerosis-in-a-rat-model-of-diabetic-nephropathy-by-exerting-anti-microinflammatory-effects-without-affecting-hyperglycemia
#3
Wei Wu, Jing-Jing Yang, Hai-Ming Yang, Meng-Meng Huang, Qi-Jun Fang, Ge Shi, Zhi-Min Mao, Wen-Bei Han, Shan-Mei Shen, Yi-Gang Wan
Multi-glycoside of Tripterygium wilfordii Hook. f. (GTW) has been proven to be clinically effective in relieving microinflammation in patients with early diabetic nephropathy (DN). However, the therapeutic mechanisms involved in vivo remain unclear. In the process of early DN, microinflammation and activation of p38 mitogen‑activated protein kinase (MAPK) and canonical nuclear factor (NF)-κB signaling pathways are the important mechanisms by which hyperglycemia contributes to glomerulosclerosis (GS)...
July 17, 2017: International Journal of Molecular Medicine
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
#4
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/28730140/current-advances-in-checkpoint-inhibitors-lessons-from-non-central-nervous-system-cancers-and-potential-for-glioblastoma
#5
REVIEW
Natasha Lakin, Robert Rulach, Stefan Nowicki, Kathreena M Kurian
The adaptive immune system depends on the sequence of antigen presentation, activation, and then inhibition to mount a proportionate response to a threat. Tumors evade the immune response partly by suppressing T-cell activity using immune checkpoints. The use of cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), programmed cell death 1 (PD-1), and programmed cell death ligand 1 (PD-L1) antibodies counteract this suppression, thereby enhancing the antitumor activity of the immune system. This approach has proven efficacy in melanoma, renal cancer, and lung cancer...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28729428/fluorine-18-labeled-carboplatin-derivative-for-pet-imaging-of-platinum-drug-distribution
#6
Narottam Lamichhane, Gajanan K Dewkar, Sundaresan Gobalakrishnan, Li Wang, Purnima Jose, Muhammad Otabashi, Jean-Luc Morelle, Nicholas Farrell, Jamal Zweit
Increasing evidence indicates that reduced intracellular drug accumulation is the parameter most consistently associated with platinum drug resistance, and emphasizes the need to directly measure intra-tumor drug concentration. In the era of precision medicine and with the advent of powerful imaging and proteomics technologies, there is an opportunity to better understand drug resistance, by exploiting these techniques to provide new knowledge on drug-target interactions. Here, we are contributing to this endeavor by reporting on the development of a fluorine-18 labeled carboplatin derivative ((18)F-FCP) that can be used to potentially image drug uptake and retention, including intra-tumoral distribution, by positron emission tomography (PET)...
July 20, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28729419/the-exocyst-is-required-for-photoreceptor-ciliogenesis-and-retinal-development
#7
Glenn P Lobo, Diana Fulmer, Lilong Guo, Xiaofeng Zuo, Yujing Dang, Seok-Hyung Kim, Yanhui Su, Kola George, Elisabeth Obert, Ben Fogelgren, Deepak Nihalani, Russell A Norris, Bärbel Rohrer, Joshua H Lipschutz
We previously have shown that the highly-conserved eight-protein exocyst trafficking complex is required for ciliogenesis in kidney tubule cells. We hypothesized here that ciliogenic programs are conserved across organs and species. To determine if renal primary ciliogenic programs are conserved in the eye, and to characterize the function and mechanisms by which the exocyst regulates eye development in zebrafish, we focused on exoc5, a central component of the exocyst complex, by analyzing both exoc5 zebrafish mutants, and photoreceptor-specific Exoc5 knockout mice...
July 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28729402/wilms-tumor-ncam-expressing-cancer-stem-cells-as-potential-therapeutic-target-for-polymeric-nanomedicine
#8
Ela Markovsky, Einav Vax, Dikla Ben-Shushan, Anat Eldar-Boock, Rachel Shukrun, Eilam Yeini, Iris Barshack, Revital Caspi, Orit Harari-Steinberg, Naomi Pode-Shakked, Benjamin Dekel, Ronit Satchi-Fainaro
Cancer stem cells (CSC) form a specific population within the tumor that has been shown to have self-renewal and differentiation properties, increased ability to migrate and form metastases, and increased resistance to chemotherapy. Consequently, even a small number of cells remaining after therapy can repopulate the tumor and cause recurrence of the disease. CSCs in Wilms tumor, a pediatric renal cancer, were previously shown to be characterized by neural cell adhesion molecule (NCAM) expression. Therefore, NCAM provides a specific biomarker through which the CSC population in this tumor can be targeted...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28729036/molecular-mechanisms-of-renal-aging
#9
REVIEW
Roland Schmitt, Anette Melk
Epidemiologic, clinical, and molecular evidence suggest that aging is a major contributor to the increasing incidence of acute kidney injury and chronic kidney disease. The aging kidney undergoes complex changes that predispose to renal pathology. The underlying molecular mechanisms could be the target of therapeutic strategies in the future. Here, we summarize recent insight into cellular and molecular processes that have been shown to contribute to the renal aging phenotype.The main clinical finding of renal aging is the decrease in glomerular filtration rate, and its structural correlate is the loss of functioning nephrons...
July 17, 2017: Kidney International
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
#10
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/28728748/metastatic-renal-cell-carcinoma-patterns-and-predictors-of-metastases-a-contemporary-population-based-series
#11
Thenappan Chandrasekar, Zachary Klaassen, Hanan Goldberg, Girish S Kulkarni, Robert J Hamilton, Neil E Fleshner
OBJECTIVE: To assess the patterns and predictors of metastatic disease in renal cell carcinoma (RCC) at the time of diagnosis in a contemporary series. METHODS: The Surveillance, Epidemiology, and End Results database was queried for all patients with kidney RCC from 2010 to 2013 (N = 50,815). Distribution and predictors of distant metastases at diagnosis were assessed. Multivariate logistic regression hazard analyses were performed to determine covariates associated with the likelihood of having metastases at diagnosis, whereas competing risks regression analysis was used to assess predictors of cancer-specific mortality (CSM) in patients with metastatic disease...
July 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28728220/-diagnostic-utility-of-tyrosine-hydroxylase-in-peripheral-neuroblastic-tumors
#12
N Zhang, N Liu, L J He
Objective: To investigation the diagnostic utility of tyrosine hydroxylase (TH) immunohistochemically as a marker of peripheral neuroblastic tumors(pNT). Methods: The study included 1 024 cases, 643 primary and metastatic pNT cases, 381 non-pNT cases, including small round cell tumors such as primitive neuroectodermal tumor (PNET), rhabdomyosarcoma, lymphoma, nephroblastoma, as well as other more common tumors (medulloblastoma, hepatoblastoma, pleuropulmonary blastoma, renal clear cell sarcoma, Langerhans cell histiocytosis, lipoblatoma etc)...
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28728079/probucol-ameliorates-renal-injury-in-diabetic-nephropathy-by-inhibiting-the-expression-of-the-redox-enzyme-p66shc
#13
Shikun Yang, Li Zhao, Yachun Han, Yu Liu, Chao Chen, Ming Zhan, Xiaofen Xiong, Xuejing Zhu, Li Xiao, Chun Hu, Fuyou Liu, Zhiguang Zhou, Yashpal S Kanwar, Lin Sun
AIMS: Probucol is an anti-hyperlipidemic agent and a potent antioxidant drug that can delay progression of diabetic nephropathy (DN) and reverses renal oxidative stress in diabetic animal models; however, the mechanisms underlying these effects remain unclear. p66Shc is a newly recognized mediator of mitochondrial ROS production in renal cells under high-glucose (HG) ambience. We previously showed that p66Shc can serve as a biomarker for renal oxidative injury in DN patients and that p66Shc up-regulation is correlated with renal damage in vivo and in vitro...
July 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28727768/benign-and-tumor-parenchyma-metabolomic-profiles-affect-compensatory-renal-growth-in-renal-cell-carcinoma-surgical-patients
#14
Barak Rosenzweig, Nimrod D Rubinstein, Ed Reznik, Roman Shingarev, Krishna Juluru, Oguz Akin, James J Hsieh, Edgar A Jaimes, Paul Russo, Katalin Susztak, Jonathan A Coleman, A Ari Hakimi
BACKGROUND AND OBJECTIVES: Pre-operative kidney volume is an independent predictor of glomerular filtration rate in renal cell carcinoma patients. Compensatory renal growth (CRG) can ensue prior to nephrectomy in parallel to tumor growth and benign parenchyma loss. We aimed to test whether renal metabolite abundances significantly associate with CRG, suggesting a causative relationship. DESIGN, SETTING, PARTICIPANTS, AND MEASUREMENTS: Tissue metabolomics data from 49 patients, with a median age of 60 years, were previously collected and the pre-operative fold-change of their contra to ipsi-lateral benign kidney volume served as a surrogate for their CRG...
2017: PloS One
https://www.readbyqxmd.com/read/28727430/renal-clearable-peptide-functionalized-nagdf4-nanodots-for-high-efficiency-tracking-orthotopic-colorectal-tumor-in-mouse
#15
Hongda Chen, Xiaodong Li, Fuyao Liu, Huimao Zhang, Zhenxin Wang
The effective delivery of bioimaging probes to a selected cancerous tissue has extensive significance for biological studies and clinical investigations. Herein, the peptide functionalized NaGdF4 nanodots (termed as, pPeptide-NaGdF4 nanodots) have been prepared for highly efficient magnetic resonance imaging (MRI) of tumor by formation of Gd-phosphonate coordinate bonds among hydrophobic NaGdF4 nanodots (4.2 nm in diameter) with mixed phosphorylated peptide ligands including a tumor targeting phosphopeptide and a cell penetrating phosphopeptide...
July 20, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28727378/anastomosing-hemangioma-simulating-renal-cell-carcinoma
#16
Mariana Athaniel Silva, Eduardo Kaiser Ururahy Nunes Fonseca, Fernando Ide Yamauchi, Ronaldo Hueb Baroni
The anastomosing hemangioma is a recent described rare variant, which histologically simulates an angiosarcoma and occurs primarily in the genitourinary tract. We present a case of renal anastomosing hemangioma from a radiologic perspective, describing its imaging features and reviewing its presentation and management.
June 14, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28727370/serum-tissue-factor-as-a-biomarker-for-renal-clear-cell-carcinoma
#17
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/28726774/interleukin-22-ameliorated-renal-injury-and-fibrosis-in-diabetic-nephropathy-through-inhibition-of-nlrp3-inflammasome-activation
#18
Shaofei Wang, Yubin Li, Jiajun Fan, Xuyao Zhang, Jingyun Luan, Qi Bian, Tao Ding, Yichen Wang, Ziyu Wang, Ping Song, Daxiang Cui, Xiaobin Mei, Dianwen Ju
Diabetic nephropathy (DN) is one of the most lethal complications of diabetes mellitus with metabolic disorders and chronic inflammation. Although the cytokine IL-22 was initially implicated in the pathogenesis of chronic inflammatory diseases, recent studies suggested that IL-22 could suppress inflammatory responses and alleviate tissue injury. Herein, we examined the role of IL-22 in DN. We found that serum levels of IL-22 were significantly downregulated in both patients and mice with DN. The expression of IL-22 was further decreased with the progression of DN, whereas IL-22 gene therapy significantly ameliorated renal injury and mesangial matrix expansion in mice with established nephropathy...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28726664/expanded-phenotype-of-tmem67-gene-mutation-case-report
#19
T Tkemaladze, G Melikishvili, V Kherkheulidze, A Melikishvili, T Davitaia
Human ciliopathies are a class of multi-organ genetic disorders caused by defects of proteins expressed at the primary cilium, an organelle present on the cell surface of almost all cell types. Thus far, dozens of causative genes for ciliopathies have been identified and many of them are known to cause allelic disease. Of particular interest is the TMEM67 gene, encoding the transmembrane protein meckelin. The involvement of the mutant TMEM67 gene is known to be associated with a broad range of clinical presentations, namely Joubert syndrome 6 (JBTS6), nephronophthisis 11 (NPHP11), Bardet-Biedel syndrome (BBS), COACH syndrome, and lethal Meckel syndrome type 3 (MKS3)...
June 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28726505/renal-angiomyolipoma-radiologic-classification-and-imaging-features-according-to-the-amount-of-fat
#20
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
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