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Erastin and ferrostatin induced protein expression change in HepG2 cells

ABSTRACT: Project description: HepG2 cells were treated with DMSO, erastin and ferrostatin, respectively. Protein was extracted and separated using SDS-PAGE electrophoresis. MS analysis was performed and protein was identified and quantified using Proteome Discoverer™ 1.3 software using the SEQUEST® search engine.

OTHER RELATED OMICS DATASETS IN: GSE104462

INSTRUMENT(S):

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Hepatocyte, Cell Culture

SUBMITTER: zhang xiao

LAB HEAD: zhang xiao

PROVIDER: PXD010761 | Pride | 2019-11-12

REPOSITORIES: Pride

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Publications

Ferroptosis is governed by differential regulation of transcription in liver cancer.

Zhang Xiao X Du Lutao L Qiao Yongxia Y Zhang Xiaobai X Zheng Weisheng W Wu Qi Q Chen Yan Y Zhu Guoqing G Liu Ya Y Bian Zhixuan Z Guo Susu S Yang Yueyue Y Ma Lifang L Yu Yongchun Y Pan Qiuhui Q Sun Fenyong F Wang Jiayi J

Redox biology 20190510

Ferroptosis is an outcome of metabolic disorders and closely linked to liver cancer. However, the mechanism underlying the fine regulation of ferroptosis in liver cancer remains unclear. Here, we have identified two categories of genes: ferroptosis up-regulated factors (FUF) and ferroptosis down-regulated factors (FDF), which stimulate and suppress ferroptosis by affecting the synthesis of GSH. Furthermore, FUF are controlled by one transcription factor HIC1, while FDF controlled by another tran ...[more]

PMID: 31108460

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Serum microRNA profiles from the Malmö Diet and Cancer Study - Cardiovascular Cohort

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2018-11-08 | E-MTAB-7246 | biostudies-arrayexpress

Comparative phosphoproteomic profiling in prefrontal cortex of prenatal stressed offspring rats

Project description:We used MS-based TMT quantitative proteomics in combination with phosphopeptide enrichment method to compare phosphoproteomic profiling in prefrontal cortex of of PS-S and CON offspring rats.

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Erastin induced protein expression change in H1975 cells

Project description:H1975 cells were treated with DMSO and erastin, respectively. Protein was extracted and separated using SDS-PAGE electrophoresis. MS analysis was performed and protein was identified and quantified using Proteome Discoverer™ 1.3 software using the SEQUEST® search engine.

2021-09-09 | PXD020205 | Pride

circRNA expression in relapsed childhood acute lymphoblastic leukemia

Project description:3 patients with childhood acute lymphoblastic leukemia were diagnosed with relapsed, and the matched new diagnosed blood samples were enrolled as controls. CirRNA array were conducted for detecting the expression of miRNA in above samples.

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miRNA expression in relapsed childhood acute lymphoblastic leukemia

Project description:3 patients with childhood acute lymphoblastic leukemia were diagnosed with relapsed, and the matched new diagnosed blood samples were enrolled as controls. MiRNA array were conducted for detecting the expression of miRNA in above samples.

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Quantitative Proteomics Reveals the Dynamic Pathophysiology across Different Stages in a Rat Model of Severe Traumatic Brain Injury

Project description:Background: Severe Traumatic Brain Injury (TBI) has become a growing health problem, causing a vast society burden worldwide. However, characteristic mechanisms between acute and subacute stages have not been systemically revealed. Methods: Sixty rats were randomly divided into sham surgery and model groups. Severe TBI model was induced by controlled cortical impact (CCI). Neurological deficits were evaluated by modified neurological severity score (mNSS). H&E staining and immunofluorescence were performed to assess the injured brain tissues. The protein expressions of hippocampus were analyzed by the tandem mass tag-based (TMT) quantitative proteomics on the third and fourteenth days. The shared and stage-specific differentially expressed proteins (DEPs) were screened, and then analyzed by the gene ontology (GO), Kyoto encyclopedia of genes and genomes (KEGG) and protein-protein interaction (PPI). Eventually, target proteins were further verified by Western blotting (WB). Results: The neurological deficits always exist from the acute stage to the subacute stage of severe TBI and showed a downward trend. The brain parenchyma of TBI models was dramatically impaired. A total of 375 and 139 DEPs were identified at day 3 and 14, respectively. Sixty-three DEPs were co-existed between the two stages. Both stages were mainly related to the complement and coagulation cascades pathway. Three pathways associated with gastric acid secretion, insulin secretion and thyroid hormone synthesis were only enriched in the acute phase. Comparatively, amyotrophic lateral sclerosis (ALS) was significantly enriched in the subacute stage. WB confirmed the reliability of the TMT quantitative proteomics results. Conclusion: Our findings highlight the same and different pathological processes in the acute and subacute phases of severe TBI and provide potential protein biomarkers.

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Transcription profiling of mouse knockouts for Etv4 and Etv5 - plusGDNF and minusGDNF comparison using U74Av2 and 430A arrays

Project description:GDNF signaling through the Ret receptor tyrosine kinase is critical for ureteric bud branching morphogenesis during kidney development yet few of the downstream genes are currently known. We find that the ETS transcription factors Etv4 and Etv5 are positively regulated by Ret signaling in ureteric bud tips. Etv4-/-Etv5+/- mice display either renal agenesis or severe hypodysplasia, while kidney development fails completely in double homozygotes. We identify several genes whose expression in the ureteric bud depends on Etv4 and Etv5, including Cxcr4, Myb, Met, Mmp14. Thus, Etv4 and Etv5 are key components of a gene network downstream of Ret that promotes and controls renal branching morphogenesis. Experiment Overall Design: 3 plus GDNF and 2 minus GDNF chips were analyzed with different pooled samples for each chip (U74Av2 and 430A). Sample comparisons and statistical analysis were performed using dChip 1.3, using the Comparison Analysis feature to identify genes differentially expressed between the two groups. The following filtering criteria were used: the “lower limit” for fold-change between the means of the +GDNF and -GDNF samples must exceed 1.2 with a 90% confidence limit, and the absolute difference between the two group means must exceed 100.

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300 ppm Citrinin treatment for 2 h

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Transcriptome sequencing of three yeast strains

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The combination of SLC7A11 inhibitor and oridonin synergistically inhibits cervical cancer cell growth by decreasing the NADPH/NADP+ ratio

Project description:Oridonin, as a natural terpenoids isolated from traditional Chinese medicinal herb Rabdosia rubescens, exhibits anticancer activity against multiple cancers with the IC50 ranging from 10 ¦ÌM to 100 ¦ÌM. We observed that SLC7A11 inhibitor Imidazole ketone erastin (1 ¦ÌM) potently increase the anti-proliferative activity of oridonin at low concentrations. Preliminary investigation demonstrated that combination of Imidazole ketone erastin (1 ¦ÌM) and oridonin induced apoptosis and ferroptosis only in a fraction of cells. To explore the synergistic anti-tumor mechanism of combination of oridonin and Imidazole ketone erastin, second-generation transcriptome sequencing(RNA-seq) was utilized to determine the transcriptome change in Hela cells affected by oridonin and Imidazole ketone erastin. PCA analysis showed that the group of oridonin or Imidazole ketone erastin alone located near the control group, while the group of combination gathered far away from the control group, indirectly indicating that combination of oridonin and Imidazole ketone erastin had synergistic biology function.

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