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https://www.readbyqxmd.com/read/29676871/-management-of-renal-cell-carcinoma-associated-with-an-extensive-inferior-vena-cava-tumor-thrombus
#1
C Battisti, F Sohngen, J P Lavigne, R Andrianne
Each main kind of cancer has rather typical or atypical clinical presentations, depending upon several factors related to histopathology or staging. The diagnosis of renal cell carcinoma associated with an extensive inferior vena cava tumor thrombus usually implies prognostic, workup, and surgical management issues. The incidental discovery of this rare clinical entity presented as deep vein thrombosis is narrated, with some therapeutic elements, including an example of alternative surgical treatment. The importance of preoperative assessment - particularly local regarding operability, is emphasized as well...
April 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29673422/pokemon-mir-137-auto-regulatory-circuit-promotes-the-progression-of-renal-carcinoma
#2
Lihui Wang, Qi Li, Zhuo Ye, Baoping Qiao
Renal carcinoma greatly threatens human health, but the involved molecular mechanisms are far from complete understanding. As a master oncogene driving the initiation of many other cancers, Pokemon has not been established to be associated with renal cancer. Our data revealed that Pokemon is highly expressed in renal carcinoma specimen and cell lines, compared with normal cells. The silencing of Pokemon suppressed the proliferation and invasion of renal cancer cells. Pokemon overexpression rendered normal cells with higher proliferation rates and invasiveness...
April 19, 2018: Oncology Research
https://www.readbyqxmd.com/read/29669930/tsc2-deficient-tumors-have-evidence-of-t-cell-exhaustion-and-respond-to-anti-pd-1-anti-ctla-4-immunotherapy
#3
Heng-Jia Liu, Patrick H Lizotte, Heng Du, Maria C Speranza, Hilaire C Lam, Spencer Vaughan, Nicola Alesi, Kwok-Kin Wong, Gordon J Freeman, Arlene H Sharpe, Elizabeth P Henske
Tuberous sclerosis complex (TSC) is an incurable multisystem disease characterized by mTORC1-hyperactive tumors. TSC1/2 mutations also occur in other neoplastic disorders, including lymphangioleiomyomatosis (LAM) and bladder cancer. Whether TSC-associated tumors will respond to immunotherapy is unknown. We report here that the programmed death 1 coinhibitory receptor (PD-1) is upregulated on T cells in renal angiomyolipomas (AML) and pulmonary lymphangioleiomyomatosis (LAM). In C57BL/6J mice injected with syngeneic TSC2-deficient cells, anti-PD-1 alone decreased 105K tumor growth by 67% (P < 0...
April 19, 2018: JCI Insight
https://www.readbyqxmd.com/read/29669911/mpc1-is-essential-for-pgc-1%C3%AE-induced-mitochondrial-respiration-and-biogenesis
#4
Eunjin Koh, Young Kyung Kim, Daye Shin, Kyung-Sup Kim
Mitochondrial pyruvate carrier (MPC), which is essential for mitochondrial pyruvate usage, mediates transport of cytosolic pyruvate into mitochondria. Low MPC expression is associated with various cancers, and functionally associated with glycolytic metabolism and stemness. However, the mechanism by which MPC expression is regulated is largely unknown. In this study, we showed that MPC1 is downregulated in human renal cell carcinoma (RCC) due to strong suppression of peroxisome proliferator-activated receptor-gamma coactivator (PGC)-1 alpha (PGC-1α)...
April 18, 2018: Biochemical Journal
https://www.readbyqxmd.com/read/29669701/crizotinib-in-patients-with-advanced-inoperable-inflammatory-myofibroblastic-tumours-with-and-without-anaplastic-lymphoma-kinase-gene-alterations-european-organisation-for-research-and-treatment-of-cancer-90101-create-a-multicentre-single-drug-prospective-non
#5
Patrick Schöffski, Jozef Sufliarsky, Hans Gelderblom, Jean-Yves Blay, Sandra J Strauss, Silvia Stacchiotti, Piotr Rutkowski, Lars H Lindner, Michael G Leahy, Antoine Italiano, Nicolas Isambert, Maria Debiec-Rychter, Raf Sciot, Thomas Van Cann, Sandrine Marréaud, Axelle Nzokirantevye, Sandra Collette, Agnieszka Wozniak
BACKGROUND: An inflammatory myofibroblastic tumour (IMFT) is a rare mesenchymal neoplasm characterised by anaplastic lymphoma kinase (ALK) gene rearrangements. We assessed the activity and safety of crizotinib, a tyrosine kinase inhibitor, targeting ALK in patients with advanced IMFT either with or without ALK alterations. METHODS: We did a multicentre, biomarker-driven, single-drug, non-randomised, open-label, two-stage phase 2 trial (European Organisation for Research and Treatment of Cancer 90101 CREATE) at 13 study sites (five university hospitals and eight specialty clinics) in eight European countries (Belgium, France, Germany, Italy, Netherlands, Poland, Slovakia, and the UK)...
April 12, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29669465/superiority-of-rat-over-murine-model-for-studies-on-the-evolution-of-cancer-genome
#6
Shinya Akatsuka, Guang Hua Li, Shinya Toyokuni
Evolution of the species and carcinogenesis are similar in that genomic alterations are the key events. Oxidative stress derived from various etiologies is one of the major causes of carcinogenesis by inducing mutations in the genome. Persistent oxidative stress in the renal proximal tubules through Fenton reaction catalyzed by ferric nitrilotriacetate (Fe-NTA) generates renal cell carcinoma (RCC) in mice and rats. Here, in order to observe the species difference in oxidative stress-induced carcinogenesis and to obtain an insight regarding the characteristics of each species, we compared the genomic alterations using array-based comparative genome hybridization among RCCs in Mutyh knockout/wild-type mice (C57BL/6 background) induced by Fe-NTA, RCCs in F1 hybrids of Brown-Norway/Fischer-344 wild-type rats and clear cell renal cell carcinoma (CCRCC)/papillary renal cell carcinoma (PRCC) of humans...
April 18, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29669332/paritaprevir-ritonavir-ombitasvir-plus-dasabuvir-regimen-in-the-treatment-of-genotype-1-chronic-hepatitis-c-infection-in-patients-with-severe-renal-impairment-and-end-stage-renal-disease-a-real-life-cohort
#7
Jan Sperl, Miluse Kreidlova, Dusan Merta, Klara Chmelova, Renata Senkerikova, Sona Frankova
BACKGROUND/AIMS: Chronic hepatitis C (HCV) virus infection reactivates under immunosuppressive drugs and therefore has a negative impact on long-term survival of kidney transplant recipients. Treatment-induced clearance of hepatitis C virus (HCV) in kidney transplant candidates prevents virus reactivation after transplantation. Paritaprevir/Ritonavir/Ombitasvir with Dasabuvir (PrOD) represents a highly effective treatment regimen for HCV genotype 1 (GT1), also suitable for patients with end-stage renal disease (ESRD)...
April 13, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29668592/marital-status-and-survival-in-patients-with-renal-cell-carcinoma
#8
Yan Li, Ming-Xi Zhu, Si-Hua Qi
Previous studies have shown that marital status is an independent prognostic factor for survival in several types of cancer. In this study, we investigated the effects of marital status on survival outcomes among renal cell carcinoma (RCC) patients.We identified patients diagnosed with RCC between 1973 and 2013 from the Surveillance, Epidemiology and End Results (SEER) database. Kaplan-Meier analysis and Cox regression were used to identify the effects of marital status on overall survival (OS) and cancer-specific survival (CSS)...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29667779/mir-193a-3p-and-mir-224-mediate-renal-cell-carcinoma-progression-by-targeting-alpha-2-3-sialyltransferase-iv-and-the-phosphatidylinositol-3-kinase-akt-pathway
#9
Yue Pan, Jialei Hu, Jia Ma, Xia Qi, Huimin Zhou, Xiaoyan Miao, Wei Zheng, Li Jia
Tumor metastasis is a major cause of cancer-related death in renal cell carcinoma (RCC). MicroRNAs (miRNAs) have been widely known to modulate proliferation invasion, metastasis and apoptosis of cancer cells. In this study, we aimed to investigate the function and novel target of miR-193a-3p and miR-224 in RCC. The levels of miR-193a-3p and miR-224 were significantly increased in RCC tissues and RCC cell lines. Alpha-2, 3-Sialyltransferase IV (ST3GalIV) was highly expressed in adjacent nontumor tissues and human normal proximal tubular cell line HK-2 compared to RCC tissues and cell lines...
April 18, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29667662/camel-milk-attenuates-methotrexate-induced-kidney-injury-via-activation-of-pi3k-akt-enos-signaling-and-intervention-with-oxidative-aberrations
#10
Hany H Arab, Samir A Salama, Ibrahim A Maghrabi
Methotrexate (MTX) is a classical chemotherapeutic agent with nephrotoxicity as the most disturbing adverse effect. So far, its underlying molecular mechanisms, particularly PI3K/Akt/eNOS transduction, are inadequately explored. Several antioxidant modalities have been characterized to ameliorate MTX-induced renal injury. In this regard, Camel milk (CM) is a natural product with recognized antioxidant and anti-inflammatory features. Thus, the current study aimed to investigate the potential ameliorating effects of CM in MTX-induced kidney injury in rats...
April 18, 2018: Food & Function
https://www.readbyqxmd.com/read/29667067/a-first-in-class-inhibitor-mln4924-pevonedistat-induces-cell-cycle-arrest-senescence-and-apoptosis-in-human-renal-cell-carcinoma-by-suppressing-ube2m-dependent-neddylation-modification
#11
Bo Xu, Yuyou Deng, Ran Bi, Haoran Guo, Chang Shu, Neelam Kumari Shah, Junliang Chang, Guanchen Liu, Yujun Du, Wei Wei, Chunxi Wang
PURPOSE: MLN4924 is a second-generation inhibitor that targets ubiquitin-proteasome system by inhibiting neddylation activation enzyme (NAE), and subsequently blocking the neddylation-dependent activation of Cullin-RING E3 ligases (CRLs), which leads to the accumulation of CRLs substrates and hence, suppressing diverse tumor development. In this study, we investigated the potential application of this first-in-class inhibitor MLN4924 in the treatment of human renal cell carcinoma both in vitro and in vivo...
April 17, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29666732/renal-tubular-acidosis-an-adverse-effect-of-pd-1-inhibitor-immunotherapy
#12
Sandy El Bitar, Chanudi Weerasinghe, Elie El-Charabaty, Marcel Odaimi
Immune checkpoint blockade therapy is gaining popularity among oncologists for treatment of solid and hematologic malignancies. The widespread use of these agents resulted in increasing incidence of renal immune-related adverse events. Reported renal toxicity described so far includes acute interstitial nephritis, minimal change disease, and immune complex glomerulonephritis. We report the case of a 79-year-old female with metastatic non-small cell lung cancer on anti-PD-1 therapy nivolumab. After the 4th administration of nivolumab, the treatment course was complicated with normal anion gap metabolic acidosis...
2018: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29666298/delayed-autoimmune-toxicity-occurring-several-months-after-cessation-of-anti-pd-1-therapy
#13
Sagun Parakh, Jonathan Cebon, Oliver Klein
Treatment with anti-programmed cell death protein 1 (PD-1) antibodies has demonstrated clinical efficacy in a whole range of malignancies including advanced melanoma, renal cell cancer, bladder cancer, and non-small cell lung cancer. Immune-related adverse events are a unique side effect of checkpoint regulator therapy including anti-PD-1 antibodies. Treatment-related autoimmunity can occur in any organ system, with the median onset usually within 5-15 weeks from the commencement of therapy, depending on the organ system involved...
April 17, 2018: Oncologist
https://www.readbyqxmd.com/read/29665787/valproic-acid-sensitizes-metformin-resistant-human-renal-cell-carcinoma-cells-by-upregulating-h3-acetylation-and-emt-reversal
#14
Muyun Wei, Shaowei Mao, Guoliang Lu, Liang Li, Xiaopeng Lan, Zhongxian Huang, Yougen Chen, Miaoqing Zhao, Yueran Zhao, Qinghua Xia
BACKGROUND: Metformin (Met) is a widely available diabetic drug and shows suppressed effects on renal cell carcinoma (RCC) metabolism and proliferation. Laboratory studies in RCC suggested that metformin has remarkable antitumor activities and seems to be a potential antitumor drug. But the facts that metformin may be not effective in reducing the risk of RCC in cancer clinical trials made it difficult to determine the benefits of metformin in RCC prevention and treatment. The mechanisms underlying the different conclusions between laboratory experiments and clinical analysis remains unclear...
April 17, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29665011/colony-stimulating-factor-1-receptor-blockade-improves-the-efficacy-of-chemotherapy-against-human-neuroblastoma-in-the-absence-of-t-lymphocytes
#15
Matthew W Webb, Jianping Sun, Michael A Sheard, Wei-Yao Liu, Hong-Wei Wu, Jeremy R Jackson, Jemily Malvar, Richard Sposto, Dylan Daniel, Robert C Seeger
Tumor-associated macrophages can promote growth of cancers. In neuroblastoma, tumor-associated macrophages have greater frequency in metastatic versus loco-regional tumors, and higher expression of genes associated with macrophages helps to predict poor prognosis in the 60% of high-risk patients who have MYCN-non-amplified disease. The contribution of cytotoxic T-lymphocytes to anti-neuroblastoma immune responses may be limited by low MHC class I expression and low exonic mutation frequency. Therefore, we modelled human neuroblastoma in T-cell deficient mice to examine whether depletion of monocytes/macrophages from the neuroblastoma microenvironment by blockade of CSF-1R can improve the response to chemotherapy...
April 17, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29663879/anti-cancer-effects-of-metformin-recent-evidences-for-its-role-in-prevention-and-treatment-of-cancer
#16
Masoumeh Kheirandish, Hamidreza Mahboobi, Maryam Yazdanparast, Warda Kamal, Mohammad A Kamal
Metformin is widely used for the management of type 2 diabetes mellitus (T2DM). Recently growing evidence has shown its anti-cancer effects. The results are mainly obtained from observational studies and thus, little information is available concerning the mechanisms of action. Adenosine monophosphate (AMP)-activated protein kinase (AMPK) plays an important role in the mechanism of action of metformin. The anti-cancer mechanisms of metformin include direct and indirect effects. The direct effects of metformin include AMPK-independent and AMPK-dependent effects, whereas the decrease in glucose level, hyperinsulinemia, and Insulin-like growth factor 1 (IGF-1) level was considered its indirect effects...
April 16, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29663528/purely-off-clamp-robotic-partial-nephrectomy-preliminary-3-year-oncological-and-functional-outcomes
#17
Giuseppe Simone, Leonardo Misuraca, Gabriele Tuderti, Francesco Minisola, Mariaconsiglia Ferriero, Giuseppe Romeo, Manuela Costantini, Samer F Al-Rawashdah, Salvatore Guaglianone, Michele Gallucci
OBJECTIVES: To describe our surgical technique and to report perioperative, 3-year oncological and functional outcomes of a single-center series of purely off-clamp robotic partial nephrectomy. METHODS: A prospective renal cancer institutional database was queried, and data of consecutive patients treated with purely off-clamp robotic partial nephrectomy between 2010 and 2015 in a high-volume center were collected. Perioperative complications, and 3-year oncological and functional outcomes were assessed...
April 16, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29663063/-treatment-with-pd-1-pd-l1-and-ctla-4-immune-checkpoint-inhibitors-immune-mediated-side-effects
#18
REVIEW
M-O Grimm, H Oppel-Heuchel, S Foller
Immune checkpoint inhibitors are a new standard therapy for advanced or metastatic urothelial as well as renal cell carcinoma. Atezolizumab and Pembrolizumab have been approved for the treatment of cisplatin-ineligible patients with transitional call cancer in the 1st line setting; both antibodies and Nivolumab may also be used after platinum based prior therapy. Regarding renal cell carcinoma approval for 1st line treatment with the combination of Nivolumab and Ipilimumab for patients at intermediate or high risk (IMDC) is currently expected...
April 16, 2018: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/29662646/vhl-status-regulates-transforming-growth-factor-%C3%AE-signaling-pathways-in-renal-cell-carcinoma
#19
Pramod Mallikarjuna, Raviprakash T Sitaram, Maréne Landström, Börje Ljungberg
To evaluate the role of pVHL in the regulation of TGF-β signaling pathways in clear cell renal cell carcinoma (ccRCC) as well as in non-ccRCC; the expression of pVHL, and the TGF-β pathway components and their association with clinicopathological parameters and patient's survival were explored. Tissue samples from 143 ccRCC and 58 non-ccRCC patients were examined by immunoblot. ccRCC cell lines were utilized for mechanistic in-vitro studies. Expression levels of pVHL were significantly lower in ccRCC compared with non-ccRCC...
March 27, 2018: Oncotarget
https://www.readbyqxmd.com/read/29661736/loss-of-pd-l1-sp-142-expression-characterizes-renal-vein-tumor-thrombus-microenvironment-in-clear-cell-renal-cell-carcinoma
#20
José I López, Rafael Pulido, Charles H Lawrie, Javier C Angulo
Immunotherapy is a promising tool in the treatment of patients with advancer renal cancer, in particular the blockage of immune checkpoint inhibitors. Clear cell renal cell carcinoma is an example of heterogeneous neoplasm and this particular characteristic is responsible of many therapeutic failures so far. Since variations in the local microenvironment across a tumor may conditionate the effect of this new therapy, a deeper knowledge of this issue seems advisable for any treatment success. We have analyzed the PD-L1 (SP142) expression in three different areas in the tumor and in two areas in the renal vein/caval thrombi in 39 advanced clear cell renal cell carcinomas to determine the extent and potential clinical significance of this regional variability...
March 24, 2018: Annals of Diagnostic Pathology
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