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Aurora kinase

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https://www.readbyqxmd.com/read/28644734/high-throughput-phenotypic-screening-of-kinase-inhibitors-to-identify-drug-targets-for-polycystic-kidney-disease
#1
Tijmen H Booij, Hester Bange, Wouter N Leonhard, Kuan Yan, Michiel Fokkelman, Steven J Kunnen, Johannes G Dauwerse, Yu Qin, Bob van de Water, Gerard J P van Westen, Dorien J M Peters, Leo S Price
Polycystic kidney disease (PKD) is a prevalent disorder characterized by renal cysts that lead to kidney failure. Various signaling pathways have been targeted to stop disease progression, but most interventions still focus on alleviating PKD-associated symptoms. The mechanistic complexity of the disease, as well as the lack of functional in vitro assays for compound testing, has made drug discovery for PKD challenging. To identify modulators of PKD, Pkd1(-/-) kidney tubule epithelial cells were applied to a scalable and automated 3D cyst culture model for compound screening, followed by phenotypic profiling to determine compound efficacy...
June 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/28644436/the-lats1-and-lats2-tumor-suppressors-beyond-the-hippo-pathway
#2
REVIEW
Noa Furth, Yael Aylon
Proper cellular functionality and homeostasis are maintained by the convergent integration of various signaling cascades, which enable cells to respond to internal and external changes. The Dbf2-related kinases LATS1 and LATS2 (LATS) have emerged as central regulators of cell fate, by modulating the functions of numerous oncogenic or tumor suppressive effectors, including the canonical Hippo effectors YAP/TAZ, the Aurora mitotic kinase family, estrogen signaling and the tumor suppressive transcription factor p53...
June 23, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28639950/reactive-oxygen-species-generation-and-increase-in-mitochondrial-copy-number-new-insight-into-the-potential-mechanism-of-cytotoxicity-induced-by-aurora-kinase-inhibitor-azd1152-hqpa
#3
Ali Zekri, Yashar Mesbahi, Samad Ghanizadeh-Vesali, Kamran Alimoghaddam, Ardeshir Ghavamzadeh, Seyed H Ghaffari
Aurora-B kinase overexpression plays important roles in the malignant progression of prostate cancer (PCa). AZD1152-HQPA, as an inhibitor of Aurora-B, has recently emerged as a promising agent for cancer treatment. In this study, we aimed to investigate the effects of AZD1152-HQPA on reactive oxygen species (ROS) generation and mitochondrial function in PCa. We used AZD1152-HQPA (Barasertib), a highly potent and selective inhibitor of Aurora-B kinase. The effects of AZD1152-HQPA on cell viability, DNA content, cell morphology, and ROS production were studied in the androgen-independent PC-3 PCa cell line...
June 21, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28637871/phosphorylation-at-serine-31-targets-tyrosine-hydroxylase-to-vesicles-for-transport-along-microtubules
#4
Ana Jorge-Finnigan, Rune Kleppe, Kunwar Jung-Kc, Ming Ying, Michael Marie, Ivan Rios-Mondragon, Michael F Salvatore, Jaakko Saraste, Aurora Martinez
Tyrosine hydroxylase (TH) catalyzes the conversion of L-tyrosine into L-Dopa, which is the rate-limiting step in the synthesis of catecholamines, particularly dopamine in dopaminergergic neurons. Low dopamine levels and death of the dopaminergic neurons are hallmarks of Parkinson's disease (PD), where α-synuclein is also a key player. TH is highly regulated, notably by phosphorylation of several Ser/Thr residues in the N-terminal tail. However, the functional role of TH phosphorylation at the Ser31 site (THpSer31) remains unclear...
June 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28620032/a-moving-target-structure-and-disorder-in-pursuit-of-myc-inhibitors
#5
REVIEW
Richard Bayliss, Selena G Burgess, Eoin Leen, Mark W Richards
The Myc proteins comprise a family of ubiquitous regulators of gene expression implicated in over half of all human cancers. They interact with a large number of other proteins, such as transcription factors, chromatin-modifying enzymes and kinases. Remarkably, few of these interactions have been characterized structurally. This is at least in part due to the intrinsically disordered nature of Myc proteins, which adopt a defined conformation only in the presence of binding partners. Owing to this behaviour, crystallographic studies on Myc proteins have been limited to short fragments in complex with other proteins...
June 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28615297/disruption-of-aneuploidy-and-senescence-induced-by-aurora-inhibition-promotes-intrinsic-apoptosis-in-double-hit-or-double-expressor-diffuse-large-b-cell-lymphomas
#6
Daruka Mahadevan, Shariful Islam, Wenqing Qi, Carla Morales, Laurence Cooke, Catherine Spier, Eric Weterings
Double Hit (DH) or Double Expressor (DE) diffuse large B-cell lymphoma (DLBCL) are aggressive Non-Hodgkin's Lymphomas (NHLs) with translocations and/or over-expressions of MYC and BCL-2, that are difficult to treat. Aurora kinase (AK) inhibition with alisertib in DH/DE-DLBCL induces cell death in ~30%, while ~70% are aneuploid and senescent cells (AASCs), a mitotic escape mechanism contributing to drug resistance. These AASCs elaborated a high metabolic rate by increased AKT/mTOR and ERK/MAPK activity via BTK signaling through the chronic active B-cell receptor (BCR) pathway...
June 14, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28614780/53bp1-keep-an-eye-on-merotely
#7
Mengfan Tang, Junjie Chen
News on: Aurora kinase B dependent phosphorylation of 53BP1 is required for resolving merotelic kinetochore-microtubule attachment errors during mitosis by Wang, et al. Oncotarget, 2017. doi: 10.18632/oncotarget.16225.
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28606917/quantitative-temporal-viromics-of-an-inducible-hiv-1-model-yields-insight-to-global-host-targets-and-phospho-dynamics-associated-with-vpr
#8
John D Lapek, Mary K Lewinski, Jacob M Wozniak, John Guatelli, David J Gonzalez
The mechanisms by which human immunodeficiency virus (HIV) circumvents and coopts cellular machinery to replicate and persist in cells are not fully understood. HIV accessory proteins play key roles in the HIV life cycle by altering host pathways that are often dependent on post-translational modifications (PTMs). Thus, the identification of HIV accessory protein host targets and their PTM status is critical to fully understand how HIV invades, avoids detection and replicates to spread infection. To date, a comprehensive characterization of HIV accessory protein host targets and modulation of their PTM status does not exist...
June 12, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28604107/accelerating-drug-development-for-neuroblastoma-new-drug-development-strategy-an-innovative-therapies-for-children-with-cancer-european-network-for-cancer-research-in-children-and-adolescents-and-international-society-of-paediatric-oncology-europe-neuroblastoma
#9
Lucas Moreno, Hubert Caron, Birgit Geoerger, Angelika Eggert, Gudrun Schleiermacher, Penelope Brock, Dominique Valteau-Couanet, Louis Chesler, Johannes H Schulte, Katleen De Preter, Jan Molenaar, Alexander Schramm, Martin Eilers, Tom Van Maerken, John Inge Johnsen, Michelle Garrett, Sally L George, Deborah A Tweddle, Per Kogner, Frank Berthold, Jan Koster, Giuseppe Barone, Elizabeth R Tucker, Lynley Marshall, Ralf Herold, Jaroslav Sterba, Koen Norga, Gilles Vassal, Andrew Dj Pearson
Neuroblastoma, the commonest paediatric extra-cranial tumour, remains a leading cause of death from cancer in children. There is an urgent need to develop new drugs to improve cure rates and reduce long-term toxicity and to incorporate molecularly targeted therapies into treatment. Many potential drugs are becoming available, but have to be prioritised for clinical trials due to the relatively small numbers of patients. Areas covered: The current drug development model has been slow, associated with significant attrition, and few new drugs have been developed for neuroblastoma...
June 12, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28602975/the-small-molecule-inhibitor-yk-4-279-disrupts-mitotic-progression-of-neuroblastoma-cells-overcomes-drug-resistance-and-synergizes-with-inhibitors-of-mitosis
#10
Madhu Kollareddy, Alice Sherrard, Ji Hyun Park, Marianna Szemes, Kelli Gallacher, Zsombor Melegh, Sebastian Oltean, Martin Michaelis, Jindrich Cinatl, Abderrahmane Kaidi, Karim Malik
Neuroblastoma is a biologically and clinically heterogeneous pediatric malignancy that includes a high-risk subset for which new therapeutic agents are urgently required. As well as MYCN amplification, activating point mutations of ALK and NRAS are associated with high-risk and relapsing neuroblastoma. As both ALK and RAS signal through the MEK/ERK pathway, we sought to evaluate two previously reported inhibitors of ETS-related transcription factors, which are transcriptional mediators of the Ras-MEK/ERK pathway in other cancers...
June 7, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28601256/aurora-a-kinase-is-a-priority-pharmaceutical-target-for-the-treatment-of-cancers
#11
REVIEW
Arun Prasath Damodaran, Lucie Vaufrey, Olivia Gavard, Claude Prigent
Aurora kinases control multiple events during cell cycle progression and are essential for mitotic and meiotic bipolar spindle assembly and function. There are three Aurora kinases in mammals, some of which have oncogenic properties and all of which are overexpressed in multiple cancers. Pharmaceutical companies quickly made these kinases priority targets for the development of inhibitors to be used as cancer treatments. In this review, we focus on Aurora A, against which several inhibiting compounds have been discovered and made available; however, even though some of these compounds underwent clinical trials, none have yet gone beyond Phase III trials...
June 7, 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/28595628/six3-a-tumor-suppressor-inhibits-astrocytoma-tumorigenesis-by-transcriptional-repression-of-aurka-b
#12
Zhibin Yu, Yingnan Sun, Xiaoling She, Zeyou Wang, Shuai Chen, Zhiyong Deng, Yan Zhang, Qiang Liu, Qing Liu, Chunhua Zhao, Peiyao Li, Changhong Liu, Jianbo Feng, Haijuan Fu, Guiyuan Li, Minghua Wu
BACKGROUND: SIX homeobox 3 (SIX3) is a member of the sine oculis homeobox transcription factor family. It plays a vital role in the nervous system development. Our previous study showed that the SIX3 gene is hypermethylated, and its expression is decreased in astrocytoma, but the role of SIX3 remains unknown. METHODS: Chromatin-immunoprecipitation (ChIP) and luciferase reporter assay were used to confirm the binding of SIX3 to the promoter regions of aurora kinase A (AURKA) and aurora kinase B (AURKB)...
June 8, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28594098/target-identification-of-kinase-inhibitor-alisertib-mln8237-using-dna-programmed-affinity-labeling
#13
Dong-Yao Wang, Yan Cao, Le-Yi Zheng, Lang-Dong Chen, Xiao-Fei Chen, Zhan-Ying Hong, Xiaoyu Li, Yi-Feng Chai
Accurate identification of the molecular targets of bioactive small molecules is a highly important yet challenging task in biomedical research. Previously we have developed a method named DPAL (DNA-Programmed Affinity Labelling) for labelling and identifying the cellular targets of small molecules and nucleic acids. Here we applied DPAL for the target identification of Alisertib (MLN8237), a highly specific Aurora kinase A (AKA) inhibitor and a drug candidate being tested in clinical trials for cancer treatment...
June 8, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28592839/inhibition-of-aurka-kinase-activity-suppresses-collective-invasion-in-a-microfluidic-cell-culture-platform
#14
Jiang-Long Xia, Wen-Jun Fan, Fei-Meng Zheng, Wen-Wen Zhang, Jia-Jun Xie, Meng-Ying Yang, Muhammad Kamran, Peng Wang, Hong-Ming Teng, Chun-Li Wang, Quentin Liu
Tumor local invasion is the first step of metastasis cascade which remains the key obstacle for cancer therapy. Collective cell migration plays a critical role in tumor invading into surrounding tissues. In vitro assays fail to assess collective invasion in a real time manner. Herein we aim to develop a three-dimensional (3D) microfluidic cell invasion model to determine the dynamic process. In this model, collective invasion of breast cancer cells is induced by the concentration gradient of fetal bovine serum...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28591657/agc-kinases-mechanisms-of-regulation-%C3%A2-and-innovative-drug-development
#15
REVIEW
Alejandro E Leroux, Jörg Schulze, Ricardo M Biondi
The group of AGC kinases consists of 63 evolutionarily related serine/threonine protein kinases comprising PDK1, PKB/Akt, SGK, PKC, PRK/PKN, MSK, RSK, S6K, PKA, PKG, DMPK, MRCK, ROCK, NDR, LATS, CRIK, MAST, GRK, Sgk494, and YANK, while two other families, Aurora and PLK, are the most closely related to the group. Eight of these families are physiologically activated downstream of growth factor signaling, while other AGC kinases are downstream effectors of a wide range of signals. The different AGC kinase families share aspects of their mechanisms of inhibition and activation...
June 4, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28588715/aurka-mrna-expression-is-an-independent-predictor-of-poor-prognosis-in-patients-with-non-small-cell-lung-cancer
#16
Ahmed S K Al-Khafaji, Michael W Marcus, Michael P A Davies, Janet M Risk, Richard J Shaw, John K Field, Triantafillos Liloglou
Deregulation of mitotic spindle genes has been reported to contribute to the development and progression of malignant tumours. The aim of the present study was to explore the association between the expression profiles of Aurora kinases (AURKA, AURKB and AURKC), cytoskeleton-associated protein 5 (CKAP5), discs large-associated protein 5 (DLGAP5), kinesin-like protein 11 (KIF11), microtubule nucleation factor (TPX2), monopolar spindle 1 kinase (TTK), and β-tubulins (TUBB) and (TUBB3) genes and clinicopathological characteristics in human non-small cell lung carcinoma (NSCLC)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28575288/maternal-rna-regulates-aurora-c-kinase-during-mouse-oocyte-maturation-in-a-translation-independent-fashion
#17
Ahmed Z Balboula, Cecilia S Blengini, Amanda S Gentilello, Masashi Takahashi, Karen Schindler
During oocyte meiotic maturation, Aurora kinase C (AURKC) is required to accomplish many critical functions including destabilizing erroneous kinetochore-microtubule attachments (K-MT) and regulating bipolar spindle assembly. How localized activity of AURKC is regulated in mammalian oocytes, however, is not fully understood. Female gametes from many species, including mouse, contain stores of maternal transcripts that are required for downstream developmental events. We show here that depletion of maternal RNA in mouse oocytes resulted in impaired meiotic progression, increased incidence of chromosome misalignment and abnormal spindle formation at metaphase I (Met I), and cytokinesis defects...
May 30, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28555173/efficacy-and-molecular-mechanisms-of-differentiated-response-to-the-aurora-and-angiogenic-kinase-inhibitor-enmd-2076-in-preclinical-models-of-p53-mutated-triple-negative-breast-cancer
#18
Anastasia A Ionkina, John J Tentler, Jihye Kim, Anna Capasso, Todd M Pitts, Karen A Ryall, Rebekah R Howison, Peter Kabos, Carol A Sartorius, Aik Choon Tan, S Gail Eckhardt, Jennifer R Diamond
PURPOSE: Triple-negative breast cancer (TNBC) is a subtype associated with poor prognosis and for which there are limited therapeutic options. The purpose of this study was to evaluate the efficacy of ENMD-2076 in p53-mutated TNBC patient-derived xenograft (PDX) models and describe patterns of terminal cell fate in models demonstrating sensitivity, intrinsic resistance, and acquired resistance to ENMD-2076. EXPERIMENTAL DESIGN: p53-mutated, TNBC PDX models were treated with ENMD-2076 and evaluated for mechanisms of sensitivity or resistance to treatment...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28544624/pyrimidine-containing-epidermal-growth-factor-receptor-kinase-inhibitors-synthesis-and-biological-evaluation
#19
Gaurav Joshi, Himanshu Nayyar, Sourav Kalra, Praveen Sharma, Anjana Munshi, Sandeep Singh, Raj Kumar
Structure based design and synthesis of pyrimidine containing reversible epidermal growth factor receptor (EGFR) inhibitors 1a-d are reported. The compounds (1a-d) inhibited the EGFR kinase activity in vitro with IC50 range 740 nM to 3 μM. mRNA expression of EGFR downstream target genes i.e. twist, c-fos and aurora were found to be altered upon treatment with compounds 1a-d. The compounds 1a-d exhibited excellent anticancer activity at low micromolar level (3.2-9 μM) in lung, colon and breast cancer cell lines...
May 23, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28536143/aurora-kinase-a-promotes-ar-degradation-via-the-e3-ligase-chip
#20
Sukumar Sarkar, David L Brautigan, James M Larner
Reducing the levels of the androgen receptor (AR) is one of the most viable approaches to combat castration-resistant prostate cancer (CRPC). Previously, we observed that proteasomal-dependent degradation of AR in response to 2-methoxyestradiol (2-ME) depends primarily on the E3 ligase C-terminus of HSP70-interacting protein (STUB1/CHIP). Here, 2-ME stimulation activates CHIP by phosphorylation via Aurora kinase A (AURKA). Aurora A kinase inhibitors and RNAi knockdown of Aurora A transcript selectively blocked CHIP phosphorylation and AR degradation...
May 23, 2017: Molecular Cancer Research: MCR
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