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Oncogene

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https://www.readbyqxmd.com/read/28628120/intestinal-cancer-progression-by-mutant-p53-through-the-acquisition-of-invasiveness-associated-with-complex-glandular-formation
#1
M Nakayama, E Sakai, K Echizen, Y Yamada, H Oshima, T-S Han, R Ohki, S Fujii, A Ochiai, S Robine, D C Voon, T Tanaka, M M Taketo, M Oshima
Tumor suppressor TP53 is frequently mutated in colorectal cancer (CRC), and most mutations are missense type. Although gain-of-functions by mutant p53 have been demonstrated experimentally, the precise mechanism for malignant progression in in vivo tumors remains unsolved. We generated Apc(Δ716) Trp53(LSL•R270H) villin-CreER compound mice, in which mutant p53(R270H) was expressed in the intestinal epithelia upon tamoxifen treatment, and examined the intestinal tumor phenotypes and tumor-derived organoids...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628119/differential-expression-of-mir16-in-glioblastoma-and-glioblastoma-stem-cells-their-correlation-with-proliferation-differentiation-metastasis-and-prognosis
#2
R Tian, J Wang, H Yan, J Wu, Q Xu, X Zhan, Z Gui, M Ding, J He
The function of miR16 in multiforme glioblastoma multiforme (GBM) and its stem cells (GSCs) remains elusive. To this end, we investigated the patterns of miR16 expression in these cells and their correlation with malignant behaviors and clinical outcomes. The levels of miR16 and its targeted genes in tumor tissue of GBM and GBM SGH44, U87, U251 cells as well as their stem cell counterparts were measured by qRT-PCR or western blot or immunohistochemistry. Luciferase reporter assay was used to confirm the binding of miR16 to 3'-UTR of its target genes...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628118/oncoppi-informed-discovery-of-mitogen-activated-protein-kinase-kinase-3-as-a-novel-binding-partner-of-c-myc
#3
A A Ivanov, V Gonzalez-Pecchi, L F Khuri, Q Niu, Y Wang, Y Xu, Y Bai, X Mo, E V Prochownik, M A Johns, Y Du, F R Khuri, H Fu
Mitogen-activated protein kinase kinase 3 (MKK3) is a dual threonine/tyrosine protein kinase that regulates inflammation, proliferation and apoptosis through specific phosphorylation and activation of the p38 mitogen-activated protein kinase. However, the role of MKK3 beyond p38-signaling remains elusive. Recently, we reported a protein-protein interaction (PPI) network of cancer-associated genes, termed OncoPPi, as a resource for the scientific community to generate new biological models. Analysis of the OncoPPi connectivity identified MKK3 as one of the major hub proteins in the network...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628117/a-large-scale-rnai-screen-identifies-lcmr1-as-a-critical-regulator-of-tspan8-mediated-melanoma-invasion
#4
G Agaësse, L Barbollat-Boutrand, E Sulpice, R Bhajun, M El Kharbili, O Berthier-Vergnes, F Degoul, A de la Fouchardière, E Berger, T Voeltzel, J Lamartine, X Gidrol, I Masse
This corrects the article DOI: 10.1038/onc.2016.219.
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628116/cadherin-composition-and-multicellular-aggregate-invasion-in-organotypic-models-of-epithelial-ovarian-cancer-intraperitoneal-metastasis
#5
Y Klymenko, O Kim, E Loughran, J Yang, R Lombard, M Alber, M S Stack
During epithelial ovarian cancer (EOC) progression, intraperitoneally disseminating tumor cells and multicellular aggregates (MCAs) present in ascites fluid adhere to the peritoneum and induce retraction of the peritoneal mesothelial monolayer prior to invasion of the collagen-rich submesothelial matrix and proliferation into macro-metastases. Clinical studies have shown heterogeneity among EOC metastatic units with respect to cadherin expression profiles and invasive behavior; however, the impact of distinct cadherin profiles on peritoneal anchoring of metastatic lesions remains poorly understood...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628115/stearoyl-coa-desaturase-1-regulates-lung-cancer-stemness-via-stabilization-and-nuclear-localization-of-yap-taz
#6
A Noto, C De Vitis, M E Pisanu, G Roscilli, G Ricci, A Catizone, G Sorrentino, G Chianese, O Taglialatela-Scafati, D Trisciuoglio, D Del Bufalo, M Di Martile, A Di Napoli, L Ruco, S Costantini, Z Jakopin, A Budillon, G Melino, G Del Sal, G Ciliberto, R Mancini
This corrects the article DOI: 10.1038/onc.2017.75.
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628114/oncoprotein-znf322a-transcriptionally-deregulates-alpha-adducin-cyclin-d1-and-p53-to-promote-tumor-growth-and-metastasis-in-lung-cancer
#7
J Jen, L-L Lin, F-Y Lo, H-T Chen, S-Y Liao, Y-A Tang, W-C Su, R Salgia, C-L Hsu, H-C Huang, H-F Juan, Y-C Wang
This corrects the article DOI: 10.1038/onc.2015.296.
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28628113/microrna-20a-mediated-loss-of-autophagy-contributes-to-breast-tumorigenesis-by-promoting-genomic-damage-and-instability
#8
L Liu, J He, X Wei, G Wan, Y Lao, W Xu, Z Li, H Hu, Z Hu, X Luo, J Wu, W Xie, Y Zhang, N Xu
Gene expression analysis of The Cancer Genome Atlas (TCGA) breast cancer data set show that miR-20a is upregulated in human breast cancer, especially in triple-negative subtype. Gene Set Enrichment Analysis suggests that miR-20a expression negatively correlates with the autophagy/lysosome pathway. We report here that miR-20a inhibits the basal and nutrient starvation-induced autophagic flux and lysosomal proteolytic activity, increases intracellular reactive oxygen species levels and DNA damage response by targeting several key regulators of autophagy, including BECN1, ATG16L1 and SQSTM1...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28604754/rna-binding-motif-protein-47-inhibits-nrf2-activity-to-suppress-tumor-growth-in-lung-adenocarcinoma
#9
T Sakurai, K Isogaya, S Sakai, M Morikawa, Y Morishita, S Ehata, K Miyazono, D Koinuma
This corrects the article DOI: 10.1038/onc.2016.35.
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604753/let-7b-and-let-7c-micrornas-promote-histone-h2b-ubiquitylation-and-inhibit-cell-migration-by-targeting-multiple-components-of-the-h2b-deubiquitylation-machinery
#10
A Spolverini, G Fuchs, D R Bublik, M Oren
Monoubiquitylation of histone H2B (H2Bub1) is catalyzed mainly by the RNF20/RNF40 complex and erased by multiple deubiquitylating enzymes (DUBs). H2Bub1 influences many aspects of chromatin function, including transcription regulation and DNA repair. Cancer cells often display reduced levels of H2Bub1, and this reduction may contribute to cancer progression. The let-7 family of microRNAs (miRNAs) comprises multiple members with reported tumor-suppressive features, whose expression is frequently downregulated in cancer...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604752/tumor-cell-derived-lactate-induces-taz-dependent-upregulation-of-pd-l1-through-gpr81-in-human-lung-cancer-cells
#11
J Feng, H Yang, Y Zhang, H Wei, Z Zhu, B Zhu, M Yang, W Cao, L Wang, Z Wu
The clinical success of immunotherapy that inhibits the negative immune regulatory pathway programmed cell death protein 1/PD-1 ligand (PD-1/PD-L1) has initiated a new era in the treatment of metastatic cancer. PD-L1 expression is upregulated in many solid tumors including lung cancer and functions predominantly in lactate-enriched tumor microenvironments. Here, we provided evidence for PD-L1 induction in response to lactate stimulation in lung cancer cells. Lactate-induced PD-L1 induction was mediated by its receptor GPR81...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604751/melanocytic-nevi-and-melanoma-unraveling-a-complex-relationship
#12
REVIEW
W E Damsky, M Bosenberg
Approximately 33% of melanomas are derived directly from benign, melanocytic nevi. Despite this, the vast majority of melanocytic nevi, which typically form as a result of BRAF(V600E)-activating mutations, will never progress to melanoma. Herein, we synthesize basic scientific insights and data from mouse models with common observations from clinical practice to comprehensively review melanocytic nevus biology. In particular, we focus on the mechanisms by which growth arrest is established after BRAF(V600E) mutation...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604750/lncrna-mediated-regulation-of-cell-signaling-in-cancer
#13
REVIEW
W-X Peng, P Koirala, Y-Y Mo
To date, a large number of long non-coding RNAs (lncRNAs) have been recently discovered through functional genomics studies. Importantly, lncRNAs have been shown, in many cases, to function as master regulators for gene expression and thus, they can play a critical role in various biological functions and disease processes including cancer. Although the lncRNA-mediated gene expression involves various mechanisms, such as regulation of transcription, translation, protein modification, and the formation of RNA-protein or protein-protein complexes, in this review, we discuss the latest developments primarily in important cell signaling pathways regulated by lncRNAs in cancer...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604749/cystine-addiction-of-triple-negative-breast-cancer-associated-with-emt-augmented-death-signaling
#14
X Tang, C-K Ding, J Wu, J Sjol, S Wardell, I Spasojevic, D George, D P McDonnell, D S Hsu, J T Chang, J-T Chi
This corrects the article DOI: 10.1038/onc.2016.394.
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604748/isoprenylcysteine-carboxylmethyltransferase-function-is-essential-for-rab4a-mediated-integrin-%C3%AE-3-recycling-cell-migration-and-cancer-metastasis
#15
M T Do, T F Chai, P J Casey, M Wang
Isoprenylcysteine carboxylmethyltransferase (ICMT) catalyzes the post-translational modification of RAB GTPases that contain C-terminal CXC motifs. However, the functional impact of this modification on RAB proteins has not been actively explored. We found that inhibition of ICMT significantly reduced cell migration in vitro and cancer invasion and metastasis in vivo. This role of ICMT was found to be mediated by RAB4A, an essential regulator of the fast recycling of integrin β3. Integrin β3 regulates cell polarity and migration when localized appropriately to the plasma membrane, thereby having an essential role in cancer metastasis...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604747/gata3-interacts-with-and-stabilizes-hif-1%C3%AE-to-enhance-cancer-cell-invasiveness
#16
M-C Lin, J-J Lin, C-L Hsu, H-F Juan, P-J Lou, M-C Huang
This corrects the article DOI: 10.1038/onc.2017.8.
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604746/oncogenic-k-ras-upregulates-itga6-expression-via-fosl1-to-induce-anoikis-resistance-and-synergizes-with-%C3%AE-v-class-integrins-to-promote-emt
#17
K Zhang, S-M Myllymäki, P Gao, R Devarajan, V Kytölä, M Nykter, G-H Wei, A Manninen
In many cancer types, integrin-mediated signaling regulates proliferation, survival and invasion of tumorigenic cells. However, it is still unclear how integrins crosstalk with oncogenes to regulate tumorigenesis and metastasis. Here we show that oncogenic K-Ras(V12) upregulates α6-integrin expression in Madin-Darby canine kidney (MDCK) cells via activation of the mitogen-activated protein kinase/extracellular signal-regulated kinase (ERK)/Fos-related antigen 1-signaling cascade. Activated α6-integrins promoted metastatic capacity and anoikis resistance, and led to perturbed growth of MDCK cysts...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604745/the-proto-oncoprotein-kr-pok-represses-transcriptional-activation-of-cdkn1a-by-miz-1-through-competitive-binding
#18
K M Lee, W I Choi, D I Koh, Y J Kim, B N Jeon, J H Yoon, C E Lee, S H Kim, J Oh, M W Hur
This corrects the article DOI: 10.1038/onc.2011.331.
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604744/emp2-is-a-novel-therapeutic-target-for-endometrial-cancer-stem-cells
#19
M H Kiyohara, C Dillard, J Tsui, S R Kim, J Lu, D Sachdev, L Goodglick, M Tong, V F Torous, C Aryasomayajula, W Wang, P Najafzadeh, L K Gordon, J Braun, S McDermott, M S Wicha, M Wadehra
Previous studies have suggested that overexpression of the oncogenic protein epithelial membrane protein-2 (EMP2) correlates with endometrial carcinoma progression and ultimately poor survival from disease. To understand the role of EMP2 in the etiology of disease, gene analysis was performed to show transcripts that are reciprocally regulated by EMP2 levels. In particular, EMP2 expression correlates with and helps regulate the expression of several cancer stem cell associated markers including aldehyde dehydrogenase 1 (ALDH1)...
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28604743/shortage-of-dntps-underlies-altered-replication-dynamics-and-dna-breakage-in-the-absence-of-the-apc-c-cofactor-cdh1
#20
J Garzón, R Rodríguez, Z Kong, A Chabes, S Rodríguez-Acebes, J Méndez, S Moreno, I García-Higuera
The APC/C-Cdh1 ubiquitin-ligase complex targets cell cycle regulators for proteosomal degradation and helps prevent tumor development and accumulation of chromosomal aberrations. Replication stress has been proposed to be the main driver of genomic instability in the absence of Cdh1, but the real contribution of APC/C-Cdh1 to efficient replication, especially in normal cells, remains unclear. Here we show that, in primary MEFs, acute depletion or permanent ablation of Cdh1 slowed down replication fork movement and increased origin activity...
June 12, 2017: Oncogene
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