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ABSTRACT: Integrin beta6/Annexin A2 axis triggers autophagy to orchestrate hepatocellular carcinoma radioresistance

PROVIDER: PRJNA1170233 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30909000_1.fastq.gz	Fastqsanger.gz
	SRR30909000_2.fastq.gz	Fastqsanger.gz
	SRR30909001_1.fastq.gz	Fastqsanger.gz
	SRR30909001_2.fastq.gz	Fastqsanger.gz
	SRR30909002_1.fastq.gz	Fastqsanger.gz

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Expression data of J3T-1, J3T-2, J3T-1shA, J3T-2A glioma

Project description:We have previously established two sibling glioma subclones, J3T-1 and J3T-2, showing distinct invasive and angiogenic phenotypes. J3T-1, expressing high annexin A2, demonstrates robust angiogenesis and tumor invasion around neovasculature. J3T-2, expressing low annexin A2, demonstrates diffuse invasion along white matter tracts. Knockdown of annexin A2 in J3T-1 (J3T-1shA) resulted in diffuse invasion pattern, and overexpression of annexin A2 in J3T-2 (J3T-2A) showed prominent angiogenesis. We used microarrays to identify genes which promote the phenotypic transition regulated by annexin A2.

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Jafarnejad2019 - Mechanistically detailed systems biology modeling of the HGF/Met pathway in hepatocellular carcinoma

Project description:Hepatocyte growth factor (HGF) signaling through its receptor Met has been implicated in hepatocellular carcinoma tumorigenesis and progression. Met interaction with integrins is shown to modulate the downstream signaling to Akt and ERK (extracellular-regulated kinase). In this study, we developed a mechanistically detailed systems biology model of HGF/Met signaling pathway that incorporated specific interactions with integrins to investigate the efficacy of integrin-binding peptide, AXT050, as monotherapy and in combination with other therapeutics targeting this pathway. Here we report that the modeled dynamics of the response to AXT050 revealed that receptor trafficking is sufficient to explain the effect of Met-integrin interactions on HGF signaling. Furthermore, the model predicted patient-specific synergy and antagonism of efficacy and potency for combination of AXT050 with sorafenib, cabozantinib, and rilotumumab. Overall, the model provides a valuable framework for studying the efficacy of drugs targeting receptor tyrosine kinase interaction with integrins, and identification of synergistic drug combinations for the patients. Model is encoded by Johannes and submitted to BioModels by Ahmad Zyoud.

2020-03-20 | MODEL2003200001 | BioModels

The mRNA levels of CD133 positive and CD133 negative cells after radiation exposure

Project description:The cancer initiating cells (CICs) act as a tumor initiation source. Recent studies have shown that CICs contribute to chemoresistance and radioresistance. The aims of this study were to investigate the relationship of CD133+ liver CICs and radiation resistance and to define a possible mechanism for radioresistance in hepatocellular carcinoma (HCC). Total RNA is obtained from CD133 positive cells and CD133 negative cells at 0, 12 and 24 hours after radiation exposure.

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Binding partners of Annexin A2 in MDA-MB-231 cells

Project description:A mass-spec of proteins found bound to Annexin A2 following a immunoprecipitation of Annexin A2 from cell lysate of MDAMB231 cells plated 1) on plastic or 2) on collagen-1

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Annexin A2 Modulates Radiation-Sensitive Transcriptional Programming and Cell Fate

Project description:Whole genome expression profiling in the presence and absence of annexin A2 [shRNA] identified fundamentally altered transcriptional programming that changes the radioresponsive transcriptome. Bioinformatics predicted that silencing AnxA2 may enhance cell death responses to stress in association with reduced activation of pro-survival signals such as nuclear factor kappa B. This prediction was validated by demonstrating a significant increase in sensitivity toward tumor necrosis factor alpha induced cell death in annexin A2 silenced cells, relative to vector controls, associated with reduced nuclear translocation of RelA (p65) following tumor necrosis factor alpha treatment. Murine progenitor cells, JB6 cell line, were stably transformed with Annexin A2 shRNA or vector only control and then treated with ionizing radiation at two doses, 10cGy and 100cGy. Samples were collected at 2hr, 6hr and 24hr for RNA isolation. Two untreated time points were collected also: 2hr and 24hr.

2012-11-28 | E-GEOD-42547 | biostudies-arrayexpress

Annexin A2 Modulates Radiation-Sensitive Transcriptional Programming and Cell Fate

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Project description:Role of annexin A2 in muscle repair

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