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A549 CD38 secretomic analysis - Decreased NAD Activates STAT3 and Integrin Pathways to Drive Epithelial-Mesenchymal Transition

ABSTRACT: Using A549 CD38 overexpression cells to do secretomic analysis

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Lung

SUBMITTER: weixuan wang

LAB HEAD: haiteng, deng

PROVIDER: PXD009916 | Pride | 2018-07-11

REPOSITORIES: Pride

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Dataset's files

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			Action	DRS
	MS151301-SE.msf	Msf
	MS151301-SE.pep.xml	Pepxml
	MS151301-SE.prot.xml	Xml
	MS151301-SE1.raw	Raw
	MS151301-SE10.raw	Raw

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1 - 5 of 15

Publications

Decreased NAD Activates STAT3 and Integrin Pathways to Drive Epithelial-Mesenchymal Transition.

Wang Weixuan W Hu Yadong Y Yang Changmei C Zhu Songbiao S Wang Xiaofei X Zhang Zhenyu Z Deng Haiteng H

Molecular & cellular proteomics : MCP 20180706 10

Nicotinamide adenine dinucleotide (NAD) plays an essential role in all aspects of human life. NAD levels decrease as humans age, and supplementation with NAD precursors plays a protective role against aging and associated disease. Less is known about the effects of decreased NAD on cellular processes, which is the basis for understanding the relationship between cellular NAD levels and aging-associated disease. In the present study, cellular NAD levels were decreased by overexpression of CD38, a ...[more]

PMID: 29980616

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Human A549 CD38, part 1 - Decreased NAD Activates STAT3 and Integrin Pathways to Drive Epithelial-Mesenchymal Transition

Project description:A SILAC labeled in-solution digestion of A549 CD38 cells.

2018-07-10 | PXD007122 | Pride

Human A549 CD38, part 2 - Decreased NAD Activates STAT3 and Integrin Pathways to Drive Epithelial-Mesenchymal Transition

Project description:SILAC-Labeled proteomic analysis of A549 CD38 human lung cancer cell

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Transcription profiling of S. cerevisiae single transcription factor deletions

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A549 CD38 phosphoproteomics analysis

Project description:A549 CD38 overexpression cells phosphoproteomics analysis

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ChIP-Seq of STAT3 in 3iL Human Embryonic Stem Cells

Project description:Human embryonic stem cells (hESCs) are isolated from the inner cell mass of the blastocysts. The pluripotent properties of hESCs enable the derivation of cell-types or tissues of different lineages for potential applications such as therapeutics discovery and regenerative medicine. Even though hESCs are pluripotent, differences have been observed when compared to the native pluripotent epiblast cells of the blastocyst. We use a chemical approach (3iL: 3 small molecule inhibitor and cytokine) to induce an expression signature that more closely resembles native pluripotent cells. This experiment is STAT3 binding data in 3iL hESCs.

2013-12-05 | E-MTAB-2042 | biostudies-arrayexpress

Automated capillary isoelectric focusing-tandem mass spectrometry for top-down proteomics

Project description:Mass spectrometry (MS)-based top-down proteomics (TDP) delineates proteoforms in cells and requires high-resolution proteoform separation. Herein, for the first time, we employed an automated capillary isoelectric focusing-tandem MS (cIEF-MS/MS) system for large-scale TDP of complex proteomes. Single-shot cIEF-MS/MS identified 771 proteoforms from an Escherichia coli (E. coli) proteome consuming only nanograms of proteins. Coupling two-dimensional size exclusion chromatography (SEC)-cIEF, named “gel-free 2D-PAGE”, to ESI-MS/MS enabled the identification of nearly 2000 proteoforms from the E. coli proteome. Label-free quantitative TDP of zebrafish male and female brains using the SEC-cIEF-MS/MS quantified thousands of proteoforms and revealed sex-dependent proteoform profiles in brains. We discovered several proteolytic proteoforms of pro-opiomelanocortin and prodynorphin with significantly higher abundance in male brains as potential endogenous hormone proteoforms. Multi-level quantitative proteomic analyses (TDP and bottom-up proteomics (BUP)) of the brains revealed that majority of proteoforms having statistically significant difference in abundance between genders (TDP) showed no abundance difference at the corresponding protein group level (BUP), which highlights the importance of delineating proteins in a proteoform-specific manner for accurately understanding protein function.

2020-12-08 | PXD020342 | Pride

Comparative genomic, transcriptomic and secretomic profilings of Penicillium oxalicum HP7-1 and its cellulase and xylanase hyper-producing mutant EU2106, and identification of two novel regulators for cellulase and xylanase gene expression

Project description:In this study,comparative genomic, transcriptomic and secretomic profilings of Penicillium oxalicum HP7-1 and its cellulase and xylanase hyper-producing mutant EU2106 were employed to screen for novel regulators for cellulase and xylanase gene expression.

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RNA-SEQ analysis of the developing lower urogenital region

Project description:We will use micro-dissection and FACS techniques to isolate cell types from the developing lower urogenital region and perform a transcriptional analysis using RNA-SEQ. This analysis will determine the transcriptional profile of each cell type, identify compartment specific transcripts, compartment specific transcript isoforms and cell-type specific long-noncoding RNAs. In addition the unbiased nature of RNA-SEQ will potentially identify novel transcripts that have not been annotated in the database. Total RNA was obtained from FACS isolated embryonic day 17.5 bladders using Tg(Upk2-cre)6Xrw x Gt(ROSA)26Sortm4(ACTB-tdTomato,-EGFP)Luo transgenic mice. The long term goal is to generate a transcriptional atlas of developing lower urogenital region.

2014-12-10 | E-GEOD-62310 | biostudies-arrayexpress

Decreased STAT3 Phosphorylation Mediates Cell Swelling in Ammonia-Treated Astrocyte Cultures.

Project description:Brain edema, due largely to astrocyte swelling, and the subsequent increase in intracranial pressure and brain herniation, are major complications of acute liver failure (ALF). Elevated level of brain ammonia has been strongly implicated in the development of astrocyte swelling associated with ALF. The means by which ammonia brings about astrocyte swelling, however, is incompletely understood. Recently, oxidative/nitrosative stress and associated signaling events, including activation of mitogen-activated protein kinases (MAPKs), as well as activation of the transcription factor, nuclear factor-kappaB (NF-κB), have been implicated in the mechanism of ammonia-induced astrocyte swelling. Since these signaling events are known to be regulated by the transcription factor, signal transducer and activator of transcription 3 (STAT3), we examined the state of STAT3 activation in ammonia-treated cultured astrocytes, and determined whether altered STAT3 activation and/or protein expression contribute to the ammonia-induced astrocyte swelling. STAT3 was found to be dephosphorylated (inactivated) at Tyrosine705 in ammonia-treated cultured astrocytes. Total STAT3 protein level was also reduced in ammonia-treated astrocytes. We also found a significant increase in protein tyrosine phosphatase receptor type-1 (PTPRT-1) protein expression in ammonia-treated cultured astrocytes, and that inhibition of PTPRT-1 enhanced the phosphorylation of STAT3 after ammonia treatment. Additionally, exposure of cultured astrocytes to inhibitors of protein tyrosine phosphatases diminished the ammonia-induced cell swelling, while cultured astrocytes over-expressing STAT3 showed a reduction in the astrocyte swelling induced by ammonia. Collectively, these studies strongly suggest that inactivation of STAT3 represents a critical event in the mechanism of the astrocyte swelling associated with acute liver failure.

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Decoration of Anti-CD38 on Nanoparticles Carrying a STAT3 Inhibitor Can Improve the Therapeutic Efficacy Against Myeloma.

Project description:STAT3 is an oncoprotein which has been shown to contribute to drug resistance in multiple myeloma (MM). Nonetheless, the clinical utility of STAT3 inhibitors in treating MM has been limited, partly related to some of their pharmacologic properties. To overcome these challenges, our group had previously packaged STAT3 inhibitors using a novel formulation of nanoparticles (NP) and found encouraging results. In this study, we aimed to further improve the pharmacologic properties of these NP by decorating them with monoclonal anti-CD38 antibodies. NP loaded with S3I-1757 (a STAT3 inhibitor), labeled as S3I-NP, were generated. S3I-NP decorated with anti-CD38 (labeled as CD38-S3I-NP) were found to have a similar nanoparticular size, drug encapsulation, and loading as S3I-NP. The release of S3I-1757 at 24 h was also similar between the two formulations. Using Cy5.5 labeling of the NP, we found that the decoration of anti-CD38 on these NP significantly increased the cellular uptake by two MM cell lines (p < 0.001). Accordingly, CD38-S3I-NP showed a significantly lower inhibitory concentration at 50% (IC50) compared to S3I-NP in two IL6-stimulated MM cell lines (p < 0.001). In a xenograft mouse model, CD38-S3I-NP significantly reduced the tumor size by 4-fold compared to S3I-NP on day 12 after drug administration (p = 0.006). The efficacy of CD38-S3I-NP in suppressing STAT3 phosphorylation in the xenografts was confirmed by using immunocytochemistry and Western blot analysis. In conclusion, our study suggests that the decoration of anti-CD38 on NP loaded with STAT3 inhibitors can further improve their therapeutic effects against MM.

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