Ontology highlight
ABSTRACT:
PROVIDER: PRJNA609076 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11315320.fastq.gz | Fastqsanger.gz | |||
| SRR11315321.fastq.gz | Fastqsanger.gz | |||
| SRR11315322.fastq.gz | Fastqsanger.gz | |||
| SRR11315323.fastq.gz | Fastqsanger.gz | |||
| SRR11315324.fastq.gz | Fastqsanger.gz |
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Project description:The oxalate-carbonate Pathway (OCP) refers to the biotransformation process of soil Oxalate degradation and coupled Carbonate formation. It is of great significance to explore this complex biotransformation process to improve the suitable rhizosphere environment and promote soil carbon cycle. A strain of oxalate degrading bacteria, Spirillum OX-1, was isolated from soil.
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Project description:Many brown rot fungi are capable of rapidly degrading wood and are copper-tolerant. To better understand the genes that control these processes, we examined gene expression of Fibroporia radiculosa growing on wood treated with a copper-based preservative that combined copper carbonate with dimethyldidecylammonium carbonate. A global profiling strategy called RNA-Seq was used to quantify gene expression of the fungus at days 31 and 154. At day 31, the preservative was still protecting the wood, which showed no strength loss. At day 154, the effects of the preservative were gone, and the wood exhibited 52% strength loss. Statistical analysis identified 917 genes that were differentially expressed (FDR < 1E-4). Transcripts that showed higher expression levels at the early time point were controlling increased oxalate metabolism, laccase for hydroquinone-driven hydroxyl free radical production, pectin degradation, ATP production, xenobiotic detoxification, copper resistance, and stress response. Transcripts that showed higher expression levels at the late time point were involved in degradation of cellulose, hemicellulose, and pectin, hexose transport, oxalate catabolism, catabolism of laccase substrates, extracellular proton reduction, and remodeling of the fungal cell membrane and cell wall to enhance survival at low pH.
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Project description:The present study aims to compare the miRNA expression profiles in exosomes derived from HK-2 cells treated with 0, 1, 2 mM sodium oxalate, and to explore the roles of different exosomal-miRNAs in the regulation of calcium oxalate (CaOx) stones formation.
2018-02-13 | GSE110509 | GEO
Project description:Amorphous calcium carbonate (ACC) is a non-crystalline form of calcium carbonate, which is composed of aggregated nano-size primary particles. Here, we wanted to evaluate how ACC affects gene expression in a human lung cancer cell line (A549).
2023-08-21 | GSE235316 | GEO
Project description:MicroRNAs (miRNAs) are small, stable non-coding RNA molecules with regulatory function and marked tissue specificity that post-transcriptionally regulate gene expression, however their role in fungal keratitis remain unknown. Our purpose was to identify the miRNAs in human cornea from fungal keratitis patients and understand their key role in regulation of pathogenesis. Corneal samples from normal cadaver (n=3) and fungal keratitis (n=5) patients were pooled separately and total RNA was extracted. Deep sequencing was done using Illumina HiSeq1000 platform to identify miRNA profile. We identified seventy five differentially expressed miRNAs in fungal keratitis corneas. Select miRNAs were validated by real-time RT-PCR (Q-PCR). We predicted their role in regulating target genes in several pathways by combining miRNA target genes and pathway analysis, and mRNA expression of select target genes were further analysed by Q-PCR. MiR-21-5p, miR-223-3p, miR-146b-5p, miR-155-5p, miR-511-5p were found to be involved in inflammatory and immune responses, regulating Toll like receptor signaling pathways, which is of particular interest. MiR-451a with an increased expression in keratitis may have a role in wound healing by targeting Macrophage Migration Inhibitory Factor (MIF). Further, we highlighted that Neurotrophin signaling pathway may play a role in wound healing process. One novel miRNA was also detected in cornea. In conclusion, several miRNAs with high expression in fungal keratitis corneas point towards their role in regulation of pathogenesis. Further insights in understanding miRNAs role in wound healing and inflammation may help design new therapeutic strategies.
2016-07-28 | GSE64843 | GEO
Project description:Calcium oxalate stones account for over 80% of urinary stones, while the molecular mechanism of its formation is still not completely elucidated. The incidence of hyperoxaluria in calcium oxalate stone formation ranks only second to hypercalciuria. It plays an important role in the pathophysiological process of stone formation. We analyzed miRNA expression profiles between experimental hyperoxaluric rats and normal rats in order to find out the target genes and signaling pathways in the pathogenesis of hyperoxaluria.
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Project description:Kidney stones (KS) are very common, excruciating, and are associated with tremendous healthcare cost, chronic kidney disease (CKD), and end stage renal disease (ESRD). Most KS are composed of calcium oxalate and very small increases in urine oxalate concentration increase the risk for stone formation. Besides its critical role in the pathogenesis of KS, emerging data suggest that disturbed oxalate homeostasis (hyperoxaluria and/or hyperoxalemia) contributes to CKD progression, CKD - and ESRD-associated cardiovascular diseases, progression of cyst growth in autosomal dominant polycystic kidney disease (ADPKD), and delayed graft function & poor renal allograft survival. This emphasizes the urgent need for plasma and urinary oxalate lowering therapies, and enhancing the bowel’s ability to secrete oxalate may effectively do so. We previously identified Oxalobacter formigenes (O. formigenes)-derived factors secreted in its culture conditioned medium (CM) which stimulated oxalate transport by human intestinal Caco2-BBE (C2) cells and reduced urinary oxalate excretion in hyperoxaluric mice by enhancing colonic oxalate secretion. Given their remarkable therapeutic potential, we now identified several proteins belonging to Sel1-like family as the major O. formigenes-derived secreted factors, and we determined the crystal structures for six proteins to better understand their function. Importantly, Sel1-14-derived small peptides P8 & P9 were identified as the major factors, with P8+9 closely recapitulate the CM’s effects, including acting through the oxalate transporters SLC26A2 & SLC26A6 and PKA activation. P8+9 also stimulate oxalate transport by human ileal and colonic organoids, confirming that these peptides work in human tissues. Collectively, the identification of these small peptides provide a great opportunity for developing a peptide-based novel therapeutic for hyperoxalemia, hyperoxaluria, and related disorders, impacting the outcomes of patients suffering from KS, primary hyperoxaluria, CKD, ADPKD, ESRD, and renal transplant recipients.
2023-07-24 | PXD024992 | Pride
Project description:MicroRNAs (miRNAs) are small, stable non-coding RNA molecules with regulatory function and marked tissue specificity that post-transcriptionally regulate gene expression, however their role in fungal keratitis remain unknown. Our purpose was to identify the miRNAs in human cornea from fungal keratitis patients and understand their key role in regulation of pathogenesis. Corneal samples from normal cadaver (n=3) and fungal keratitis (n=5) patients were pooled separately and total RNA was extracted. Deep sequencing was done using Illumina HiSeq1000 platform to identify miRNA profile. We identified seventy five differentially expressed miRNAs in fungal keratitis corneas. Select miRNAs were validated by real-time RT-PCR (Q-PCR). We predicted their role in regulating target genes in several pathways by combining miRNA target genes and pathway analysis, and mRNA expression of select target genes were further analysed by Q-PCR. MiR-21-5p, miR-223-3p, miR-146b-5p, miR-155-5p, miR-511-5p were found to be involved in inflammatory and immune responses, regulating Toll like receptor signaling pathways, which is of particular interest. MiR-451a with an increased expression in keratitis may have a role in wound healing by targeting Macrophage Migration Inhibitory Factor (MIF). Further, we highlighted that Neurotrophin signaling pathway may play a role in wound healing process. One novel miRNA was also detected in cornea. In conclusion, several miRNAs with high expression in fungal keratitis corneas point towards their role in regulation of pathogenesis. Further insights in understanding miRNAs role in wound healing and inflammation may help design new therapeutic strategies. Control and fungal keratitis, human corneal miRNA profiles were generated using IlluminaHiseq1000 platform
2016-07-28 | E-GEOD-64843 | biostudies-arrayexpress
Project description:Metabolic dysfunction-associated steatohepatitis (MASH) is on the rise, and with limited pharmacological therapy available, identification of new metabolic targets is urgently needed. Oxalate is a terminal metabolite produced from glyoxylate by lactate dehydrogenase (LDHA). The liver-specific alanine-glyoxylate aminotransferase (AGXT) detoxifies glyoxylate, preventing oxalate accumulation. We report that AGXT is suppressed and LDHA is activated in livers from patients and mice with MASH, leading to oxalate overproduction. In turn, oxalate promotes steatosis in hepatocytes by inhibiting peroxisome proliferator activated receptor-alpha (PPARα) transcription and fatty acid β-oxidation (FAO), and induces monocyte chemotaxis via C-C motif chemokine ligand 2. In male mice with diet-induced MASH, blocking oxalate overproduction through hepatocyte-specific AGXT overexpression or pharmacological inhibition of LDHA potently lower steatosis, inflammation, and fibrosis by inducing PPARα-driven FAO, and suppressing monocyte chemotaxis, nuclear factor-kappaB and transforming growth factor-beta targets. These findings highlight hepatic oxalate overproduction as a new target for the treatment of MASH.
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