SHROOM3 Deficiency aggravates Adriamycin-induced nephropathy accompanied by Focal Adhesion disassembly and stress fiber disorganization
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ABSTRACT:
PROVIDER: PRJNA1251520 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR33156264_1.fastq.gz | Fastqsanger.gz | |||
| SRR33156264_2.fastq.gz | Fastqsanger.gz | |||
| SRR33156265_1.fastq.gz | Fastqsanger.gz | |||
| SRR33156265_2.fastq.gz | Fastqsanger.gz | |||
| SRR33156266_1.fastq.gz | Fastqsanger.gz |
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Project description:This RNA-sequencing study investigates the role of SHROOM3 in podocyte function and its contribution to renal pathophysiology. Podocytes are highly specialized epithelial cells critical for glomerular filtration barrier integrity. The study explores how SHROOM3 deficiency affects podocyte cytoskeletal architecture and focal adhesion dynamics in the context of Adriamycin-induced nephropathy, a widely used experimental model of podocyte injury and proteinuric kidney disease. We performed transcriptome analysis using RNA-sequencing on human podocyte cell lines, comparing Control (n=4) and SHROOM3 knockdown (KD) podocytes (n=4). Our objective was to identify the molecular mechanisms and signaling pathways through which SHROOM3 regulates podocyte cytoskeletal organization, with particular focus on stress fiber formation and focal adhesion assembly/disassembly. The dataset provides comprehensive gene expression profiles revealing how SHROOM3 deficiency exacerbates podocyte injury, disrupts actin cytoskeleton dynamics, and impairs focal adhesion stability during nephropathy progression.
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Project description:NAT10 mediates TLR2 to promote podocyte senescence in adriamycin-induced nephropathy
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Project description:N-acetyltransferase 10 (NAT10) is involved in regulating senescence. However, its role in glomerular diseases remains unclear. Therefore, this study aims to investigate the mechanisms by which NAT10 influences senescence and damage in an adriamycin (ADR)-induced nephropathy model. Senescence (p16 and p21) and DNA damage markers (γ-H2AX (ser139)) were assessed in ADR-induced nephropathy. NAT10 function was demonstrated using Remodelin or small interfering RNA (siRNA) interventions. Transcriptome sequencing was conducted to identify key downstream genes and pathways, while coimmunoprecipitation was performed to evaluate the relationship between NAT10 and toll-like receptor 2 (TLR2) expression. TLR2 overexpression or knockdown further validated its regulatory role in senescence. In ADR-treated mice, the expression levels of P53, P21, P16, γ-H2AX(S139) proteins were elevated, while those of WT-1 and nephrin were reduced. This effect was mitigated by Remodelin and siNAT10 administration. Transcriptome sequencing identified TLR2 as a key downstream gene, and coimmunoprecipitation, along with molecular docking models, confirmed its interaction with NAT10. TLR2 overexpression plasmid or siRNA was employed for recovery experiments. Together, the study findings suggest that NAT10 contributes to podocyte senescence and injury via interaction with TLR2. Further, it demonstrates that NAT10 alleviates ADR-induced podocyte senescence by interacting with TLR2, potentially through a P53-P21-dependent mechanism. Thus NAT10 could serve as a novel therapeutic target for treating podocyte senescence and proteinuric glomerulopathies.
2025-03-17 | GSE281894 | GEO
Project description:The aim of this study was to compare the gene expression profile changes of DMBA-induced rat breast tumors after treatment with adriamycin. To this end, a cDNA microarray was performed (Affymetrix’s Rat Genome 230 2.0 array). This gene expression study was carried out on the tumor biopsy samples prior to adriamycin treatment, and compared with matched tumor biopsy samples after completion of the adriamycin treatment schedule.
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Project description:Frequent COL4 mutations in familial microhematuria accompanied by later-onset Alport nephropathy due to focal segmental glomerulosclerosis
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Project description:Purpose: Next-generation sequencing (NGS) was used to identify cellular pathways and genes through systems-based analysis. The goals of this study are to identify NGS-derived transcriptome profiling (RNA-seq) in control (untreated) and Injured (PAN and Adriamycin) podocyte. These high throughput data were further validated through qRT–PCR methods to confirm the cellular pathways and genes affected due to the podocyte injury. Methods: Human podocytes were differentiated for 14 days by thermoswitching from 33⁰C to 37⁰C and removal of growth factors, insulin-transferrin-selenium from the medium. These podocytes were incubated 4hour in serum free RPMI medium and injury was induced by using PAN (100μg/ml) and Adriamycin (0.25μg/ml) treatment for 48 hours.Further, podocytes were processed for RNA isolation and submitted to Medical University of South Carolina Sequencing Core facility for RNA-Seq. All the experiments were performed in triplicates. Conclusions: Our study is first to describe the detailed analysis of PAN and Adriamycin induced podocyte transcriptomes using the RNA-seq technology. A comparative analysis of the differential expression profile was obtained between control vs PAN injured podocytes, and control vs Adriamycin injured podocytes. Complex genetic network and genes effected due to the injury will provide a platform to define biological pathways participate during podocytes injury process.
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Project description:The aim of this study was to compare the gene expression profile changes of DMBA-induced rat breast tumors after treatment with adriamycin. To this end, a cDNA microarray was performed (Affymetrix’s Rat Genome 230 2.0 array). This gene expression study was carried out on the tumor biopsy samples prior to adriamycin treatment, and compared with matched tumor biopsy samples after completion of the adriamycin treatment schedule. Breast tumors were induced with a single oral dosage of 7,12-dimethylbenz(alpha)anthracene (100 mg/kg body weight) in female Sprague-Dawley rats and subsequently treated with adriamycin (1 mg/kg body weight/week for 6 weeks) intravenously through lateral tail vein. Gene expression analysis was performed in paired samples as follows: ADR final trucut tumor vs initial trucut tumor (ADR final vs basal). For this assay, 5 samples were chosen according to histopathologic criteria (Bloom-Richardson grade II). Gene expression profiling was carried out using Affymetrix’s GeneChip technology, using the Rat Genome 230 2.0 array from this provider. All the protocols and apparatus were recommended by Affymetrix. Total RNA from frozen mammary tumors was extracted by RNeasy Mini kit and homogenized by QIAshredder columns according to manufacturer’s instructions. The quality and quantity of the obtained RNA was checked out through agarose electrophoresis and later spectrophotometry at 260/280 nm. Biotinylated cRNA was synthesized following the IVT labeling kit from Affymetrix and purified by the GeneChip Sample Cleanup Module from Affymetrix. The quality and quantity of the obtained cRNA was again checked out through agarose electrophoresis and posterior spectrophotometry at 260/280 nm. After hybridization, slides were washed and scanned following the manufacturer’s standard protocol. Intensity values were normalized by Robust Multichip Average method and subsequently these were filtered to remove the control sequences and those with a hybridization signal close to background. The spike controls were: BioB, BioC, BioD and Cre; because BioB was the least abundant in the samples, it was used to estimate the sensitivity of the experiment. The housekeeping control was GAPDH. After non-supervised clustering using Pearson correlation coefficient, statistical significance of gene expression was estimated by Student’s T test for paired samples, using GeneSpring GX 7.3 software (Agilent).
2009-06-01 | E-GEOD-16231 | biostudies-arrayexpress
Project description:Oncogene-induced senescence (OIS), a terminal cell cycle block countering (pre)neoplastic lesions, is characterised on the molecular level by trimethylated histone H3 lysine 9 (h3K9me3), a transcriptionally repressive chromatin mark linked to silencing of S-phase-promoting genes. Whether H3K9-governed chromatin remodelling influences anticancer treatment-induced senescence (TIS) and whether functional control of this mark impacts on treatment outcome is not known. We used global gene expression profiling by microarrays to gain insight into the molecular responses of Emu-myc; Suv39h1-/- B-cell lymphoma cells to senescence-inducing anticancer agent Adriamycin (ADR). Primary lymphoma cells isolated from lymph nodes of Emu-Myc; Suv39h1-/- mice were used. In this model, the c-Myc oncogene is constitutively expressed in the cells of the B-cell lineage, leading to spontaneous development of aggressive B-cell lymphomas. Adriamycin (ADR), a cytostatic drug used as a standard part of several lymphoma treatment regimens, is known to massively induce TIS in Suv39h1-proficient lymphomas, protected from apoptosis by Bcl-2 over expression (Myc;Bcl2). In order to discern the impact of Suv39h1 to TIS induction under these conditions, we analysed here transcriptional profiles of matched pairs of Emu-myc;Suv39h1-/-;Bcl2 lymphomas, untreated or treated for 5 days with ADR.
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