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Total 29 results found since Jan 2013.

Nanovehicle-based small interfering RNA (siRNA) delivery for therapeutic purposes: a new molecular approach in the pharmacogenomics.
Abstract RNA interference (RNAi) is a process for regulating the gene expression in which small interfering RNAs (siRNAs) silence target genes. siRNA-based therapy as a new molecular treatment approach, offers therapeutic prospects for many common diseases such as cancer and cardiovascular disorders. Nevertheless, the efficacy of siRNA delivery has, so far, remained a challenging issue. This is due to their easy degradation through the circulation system and the difficulties in the intracellular delivery to specific tissues where they silence the target genes. There have been many efforts to develop suitable, safe...
Source: Current Clinical Pharmacology - July 9, 2018 Category: Drugs & Pharmacology Authors: Akhtari J, Tafazoli A, Mehrad-Majd H, Mahrooz A Tags: Curr Clin Pharmacol Source Type: research

Abstract 5323: Integrated computational cell-line modeling of drug sensitivity and high-throughput siRNA screening reveals novel molecular biomarkers for conventional chemotherapy
Conclusions: We present an integrated approach that combines a novel Bayesian multi-task learning model with high-throughput siRNA screens. Our approach aims to uncover sets of important aberrations and allows for the subtyping of drugs based on similarities in targets and mechanisms of action. We integrate our results with high-throughput RNAi experiments to identify synthetic lethal events in specific therapeutic context. Citation Format: Olga H. Nikolova, Mehmet Gönen, Rodrigo Dienstmann, In Sock Jang, Russell Moser, Silvia Cermelli, Chang Xu, Ryan M. Mitchell, Eduardo Mendez, Carla Grandori, Christopher Kemp, Stephen ...
Source: Cancer Research - September 30, 2014 Category: Cancer & Oncology Authors: Nikolova, O. H., Gonen, M., Dienstmann, R., Jang, I. S., Moser, R., Cermelli, S., Xu, C., Mitchell, R. M., Mendez, E., Grandori, C., Kemp, C., Friend, S., Guinney, J., Margolin, A. Tags: Molecular and Cellular Biology Source Type: research

The Functions of Non-coding RNAs in rRNA Regulation
Qi Yan1, Chengming Zhu1, Shouhong Guang1,2* and Xuezhu Feng1* 1Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, China 2CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Hefei, China Ribosomes are ribonucleoprotein machines that decode the genetic information embedded in mRNAs into polypeptides. Ribosome biogenesis is tightly coordinated and controlled from the transcription of pre-rRNAs to the assembly of ribosomes. Defects or disorders in rRNA production result in a number of human ri...
Source: Frontiers in Genetics - April 4, 2019 Category: Genetics & Stem Cells Source Type: research

Ranking novel cancer driving synthetic lethal gene pairs using TCGA data.
In this study, we propose an efficient and comprehensive in-silico pipeline to rank novel SL gene pairs by mining vast amounts of accumulated tumor high-throughput sequencing data in The Cancer Genome Atlas (TCGA), coupled with other protein interaction networks and cell line information. Our pipeline integrates three significant features, including mutation coverage in TCGA, driver mutation probability and the quantified cancer network information centrality, into a ranking model for SL gene pair identification, which is presented as the first learning-based method for SL identification. As a result, 107 potential SL gene...
Source: Oncotarget - July 21, 2016 Category: Cancer & Oncology Tags: Oncotarget Source Type: research

Abstract 4549: CDK2 inhibition causes anaphase catastrophe through the centrosomal protein CP110
Aneuploidy is frequently detected in human cancers and is implicated in carcinogenesis. Whether aneuploidy is an anti-neoplastic target remains to be learnt. We previously uncovered an unrecognized consequence of Cdk2 inhibition that causes lung cancer cells to undergo anaphase catastrophe, growth inhibition and apoptosis. Cells with activating KRAS mutations were especially sensitive to Cdk2 inhibition. The mechanism of Cdk2-mediated anaphase catastrophe and how activated KRAS promotes this effect was the subject of this study. Live-cell imaging provided direct evidence that after Cdk2 inhibition, lung cancer cells develo...
Source: Cancer Research - September 30, 2014 Category: Cancer & Oncology Authors: Hu, S., Danilov, A. V., Godek, K. M., Orr, B., Tafe, L. J., Memoli, V. A., Galimberti, F., Ravi, S., DeCastro, A. J., Lu, Y., Mustachio, L. M., Sekula, D. J., Andrew, A. S., Freemantle, S. J., Compton, D. A., Dmitrovsky, E. Tags: Experimental and Molecular Therapeutics Source Type: research

Modeling cis-regulation with a compendium of genome-wide histone H3K27ac profiles METHOD
This study demonstrates the advantage of integrating a large compendium of historical epigenetic data for genomic studies of transcriptional regulation.
Source: Genome Research - July 26, 2016 Category: Genetics & Stem Cells Authors: Wang, S., Zang, C., Xiao, T., Fan, J., Mei, S., Qin, Q., Wu, Q., Li, X. L., Xu, K., He, H. H., Brown, M., Meyer, C. A., Liu, X. S. Tags: METHOD Source Type: research

Systems Biology Approaches and Precision Oral Health: A Circadian Clock Perspective
Conclusion Most head and neck pathologies show a broad cellular heterogeneity making it difficult to achieve an accurate diagnosis and efficient treatment (Graf and Zavodszky, 2017; Lo Nigro et al., 2017). Single cell analysis of circadian omics (Lande-Diner et al., 2015; Abraham et al., 2018), may be a crucial tool needed in the future to fully understand the circadian control of head and neck diseases. It becomes more obvious that there is only a small genetic component but a largely unknown epigenetics and/or environmental component for most of the head and neck pathologies (Moosavi and Motevalizadeh Ardekani, 2016; He...
Source: Frontiers in Physiology - April 15, 2019 Category: Physiology Source Type: research

An Ensemble Strategy to Predict Prognosis in Ovarian Cancer Based on Gene Modules
Conclusion Considering the heterogeneity and complexity of ovarian cancer, we demonstrated a new method to predict the prognosis of ovarian cancer based on the clustering information and gene co-expression network in each subtype of cancer patients. We divided the ovarian cancer data into three subtypes by clustering analysis and we found that the survival risks in these three subtypes were significantly different. We mined the important communities based on the co-expression networks in each subtype. There are 50, 73, and 92 communities in the first, second and third subtype, respectively. Next, we constructed a new ense...
Source: Frontiers in Genetics - April 23, 2019 Category: Genetics & Stem Cells Source Type: research

Cancers, Vol. 13, Pages 3903: Identification of CNGB1 as a Predictor of Response to Neoadjuvant Chemotherapy in Muscle-Invasive Bladder Cancer
Rakesh Heer Cisplatin-based neoadjuvant chemotherapy (NAC) is recommended prior to radical cystectomy for muscle-invasive bladder cancer (MIBC) patients. Despite a 5–10% survival benefit, some patients do not respond and experience substantial toxicity and delay in surgery. To date, there are no clinically approved biomarkers predictive of response to NAC and their identification is urgently required for more precise delivery of care. To address this issue, a multi-methods analysis approach of machine learning and differential gene expression analysis was undertaken on a cohort of 30 MIBC cases highly selected for an...
Source: Cancers - August 2, 2021 Category: Cancer & Oncology Authors: Anastasia C. Hepburn Nicola Lazzarini Rajan Veeratterapillay Laura Wilson Jaume Bacardit Rakesh Heer Tags: Article Source Type: research

CFIm-mediated alternative polyadenylation remodels cellular signaling and miRNA biogenesis
We describe the elicited signaling pathways downstream of CFIm, which improve our understanding of the key role of CFIm in integrating RNA processing with other cellular activities.PMID:35234914 | DOI:10.1093/nar/gkac114
Source: Cell Research - March 2, 2022 Category: Cytology Authors: Souvik Ghosh Meric Ataman Maciej Bak Anastasiya B örsch Alexander Schmidt Katarzyna Buczak Georges Martin Beatrice Dimitriades Christina J Herrmann Alexander Kanitz Mihaela Zavolan Source Type: research

Abstracts of Presentations at the Association of Clinical Scientists 143 < sup > rd < /sup > Meeting Louisville, KY May 11-14,2022
Conclusion: These assays are suitable for routine diagnostic. The UltraFast NextGenPCR is the fastest with average time (30mins), followed by Agilent (2 hrs) and MassArray (6hrs). Upon completion of this activity, participants should be able to examine, measure and compare results from different assays for SARS detection, evaluate and diagnose accurately, as well as being able to plan, organize and recommend a diagnostic procedure for diagnostic laboratory. Key words: SARS-CoV-2, RNA extraction, RT-PCR, limit of detection, quantification cycle, COVID-19, in vitro diagnostic tests, Agilent, Massarray, Ultrafast. [20] From t...
Source: Annals of Clinical and Laboratory Science - July 1, 2022 Category: Laboratory Medicine Source Type: research