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Full-Text Articles in Life Sciences

Sensitive Detection Of Ebv Micrornas Across Cancer Spectrum Reveals Association With Decreased Survival In Adult Acute Myelocytic Leukemia, Mercedeh J. Movassagh, Cliff Oduor, Catherine Forconi, Ann M. Moormann, Jeffrey A. Bailey Dec 2019

Sensitive Detection Of Ebv Micrornas Across Cancer Spectrum Reveals Association With Decreased Survival In Adult Acute Myelocytic Leukemia, Mercedeh J. Movassagh, Cliff Oduor, Catherine Forconi, Ann M. Moormann, Jeffrey A. Bailey

Open Access Articles

Epstein Barr virus (EBV) is the etiologic agent involved in numerous human cancers. After infecting the host, EBV establishes a latent infection, with low levels of messenger RNA (mRNA) and protein expression, evolved to evade immune recognition. Conversely, EBV microRNAs (miRNA) are expressed ubiquitously and abundantly within infected cells. Their role in tumor biology and clinical outcomes across the spectrum of cancer is not fully explained. Here, we applied our bioinformatics pipeline for quantitative EBV miRNA detection to examine sequencing data of 8,955 individual tumor samples across 27 tumor types representing the breadth of cancer. We uncover an association ...


Jnk(1/2) Represses Lkb(1)-Deficiency-Induced Lung Squamous Cell Carcinoma Progression, Jian Liu, Tianyuan Wang, Chad J. Creighton, San-Pin Wu, Madhumita Ray, Kyathanahalli S. Janardhan, Cynthia J. Willson, Sung-Nam Cho, Patricia D. Castro, Michael M. Ittmann, Jian-Liang Li, Roger J. Davis, Francesco J. Demayo May 2019

Jnk(1/2) Represses Lkb(1)-Deficiency-Induced Lung Squamous Cell Carcinoma Progression, Jian Liu, Tianyuan Wang, Chad J. Creighton, San-Pin Wu, Madhumita Ray, Kyathanahalli S. Janardhan, Cynthia J. Willson, Sung-Nam Cho, Patricia D. Castro, Michael M. Ittmann, Jian-Liang Li, Roger J. Davis, Francesco J. Demayo

Open Access Articles

Mechanisms of lung squamous cell carcinoma (LSCC) development are poorly understood. Here, we report that JNK1/2 activities attenuate Lkb1-deficiency-driven LSCC initiation and progression through repressing DeltaNp63 signaling. In vivo Lkb1 ablation alone is sufficient to induce LSCC development by reducing MKK7 levels and JNK1/2 activities, independent of the AMPKalpha and mTOR pathways. JNK1/2 activities is positively regulated by MKK7 during LSCC development. Pharmaceutically elevated JNK1/2 activities abates Lkb1 dependent LSCC formation while compound mutations of Jnk1/2 and Lkb1 further accelerate LSCC progression. JNK1/2 is inactivated in a substantial proportion of human LSCC and JNK1 ...


Overexpressed Somatic Alleles Are Enriched In Functional Elements In Breast Cancer, Paula Restrepo, Mercedeh Movassagh, Nawaf Alomran, Christian Miller, Muzi Li, Chris Trenkov, Yulian Manchev, Sonali Bahl, Stephanie Warnken, Liam Spurr, Tatiyana Apanasovich, Keith Crandall, Nathan Edwards, Anelia Horvath Aug 2017

Overexpressed Somatic Alleles Are Enriched In Functional Elements In Breast Cancer, Paula Restrepo, Mercedeh Movassagh, Nawaf Alomran, Christian Miller, Muzi Li, Chris Trenkov, Yulian Manchev, Sonali Bahl, Stephanie Warnken, Liam Spurr, Tatiyana Apanasovich, Keith Crandall, Nathan Edwards, Anelia Horvath

Open Access Articles

Asymmetric allele content in the transcriptome can be indicative of functional and selective features of the underlying genetic variants. Yet, imbalanced alleles, especially from diploid genome regions, are poorly explored in cancer. Here we systematically quantify and integrate the variant allele fraction from corresponding RNA and DNA sequence data from patients with breast cancer acquired through The Cancer Genome Atlas (TCGA). We test for correlation between allele prevalence and functionality in known cancer-implicated genes from the Cancer Gene Census (CGC). We document significant allele-preferential expression of functional variants in CGC genes and across the entire dataset. Notably, we find frequent ...