Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1010535 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25831591_1.fastq.gz | Fastqsanger.gz | |||
| SRR25831591_2.fastq.gz | Fastqsanger.gz | |||
| SRR25831592_1.fastq.gz | Fastqsanger.gz | |||
| SRR25831592_2.fastq.gz | Fastqsanger.gz | |||
| SRR25831593_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 6 |
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Project description:We report the human homologous microRNA profiles in food-grade, bovine-sourced sirloin, heart and adrenal tissue (raw, cooked, and laboratory-prepared pasteurized, freeze-dried extracts)
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Project description:We report the human homologous microRNA profiles in food-grade, bovine-sourced sirloin, heart and adrenal tissue (raw, cooked, and laboratory-prepared pasteurized, freeze-dried extracts) Deep miRNA sequencing of sirloin (raw and cooked), heart tissue (raw, cooked, and pastuerized, freeze-dried extracts) and adrenal tissue (raw, cooked, and laboratory-prepared pasteurized, freeze-dried extracts), 3 replicates each process group
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Project description:Disinfection by-products (DBPs) exposure has been linked to multiple adverse health outcomes. However, the molecular initiating events by which DBPs induce their toxicities remains unclear. Herein we combined reporter cell lines and activity-based protein profiling (ABPP) chemical proteomics to identify protein targets of six haloacetic acids (HAAs) and haloacetamides (HAMs), on the proteome-wide level. While HAAs and HAMs had similar cytotoxicities, when compared to controls, the later has 12.5 times greater Nrf2-mediated oxidative stress response, demonstrating their distinct toxicity pathways. ABPP on crude cell lysates suggested that nonspecific proteome thiol reactivity correlates with cytotoxicity. Interestingly, live cell ABPP results revealed class-specific proteins attacked by HAMs or HAAs. Subsequent proteomics analysis identified >100 unique targets per DBP. HAMs showed preferential reactivity towards disulfide oxidoreductase enzymes, accounting for their stronger Nrf2 responses. To further probe alkylation mechanisms, we directly monitored protein adducts and identified 120 and 37 unique peptides with IAM and IAA adducts, respectively. Of the later we confirmed glyceraldhye-3-phosphate dehydrogenase (GAPDH) as a key target of IAA, specifically attacked at the catalytic Cys 152. This is the first study reporting the distinct cellular protein targets of HAAs and HAMs on the proteome-wide level, which highlights their different toxicity pathways despite their similar structures.
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Project description:Resistant starches (RS), fed as high amylose maize starch (HAMS) or butyrylated HAMS (HAMSB), oppose dietary protein-induced colonocyte DNA damage in rats. In this study, rats were fed diets high in fat (19%) and protein (20%) with different forms of digestible starch (low amylose maize starch (LAMS) or low amylose whole wheat (LAW)) or RS (HAMS, HAMSB, or a whole high amylose wheat (HAW) generated by RNA interference (RNAi)) for 11 wk. A control diet contained 7% fat, 13% protein and LAMS. The aim of this study was to detect changes in the expression of DNA damage and repair genes in response to the above dietary treatments. Distal colon tissues from Sprague Dawley rats fed a variety of diets (see summary) were removed from RNAlater stabilisation reagent (Sigma, Australia) they had been stored in,, placed in 1 ml of TRIzol® Reagent (Invitrogen, Australia) and homogenised usingbeads (mix of 2.5 mm glass and 0.1 - 1.0 mm diameter silicon-zirconian beads) in a MiniBeadbeater-8 (BioSpec Products Inc., USA). Total RNA was extracted (using TRIzol® Reagent manufacturer's instructions) and further purified using RNAeasy mini spin columns (QIAGEN, Australia) with a DNase on-column digestion as per manufacturer's instructions.RNA integrity was checked using a Bioanalyzer 2100 (Agilent Technologies, USA) andquantified using a NanoDrop® ND-1000 Spectrophotometer (Thermo Fisher Scientific, USA). RNA samples with insufficinet quality and quantity were not assayed. The numbers of rats arrayed from each diet were as follows: CON, 5;LAMS, 7; HAMS, 8; HAMSB, 9; LAW, 6; HAW , 8. This gives a total of 43 arrays.
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