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PROVIDER: PRJNA296046 | ENA |
REPOSITORIES: ENA
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Project description:Sulfur mustard (HD) is a vesicating agent that targets the eyes, skin, and lungs, producing skin burns, conjunctivitis, and compromised respiratory function. Underlying mechanisms of this damage are a critical area of research for the development of medical countermeasures. This study utilized mRNA analysis to evaluate molecular effects of HD on lung tissue from anesthetized swine inhalationally exposed to HD Anesthetized large swine were exposed for 10 minutes to either air, 60 ug/kg (low), or 100ug/kg (medium) HD vapor. At 12 hours, animals were euthanized, lungs removed and dissected by lobe, and stabilized in RNAlater. Total RNA was isolated and processed for hybridization to Affymetrix Porcine GeneChip.
2016-09-01 | E-GEOD-73088 | biostudies-arrayexpress
Project description:Transcriptional response of porcine skin to sulfur mustard
| PRJNA141269 | ENA
Project description:Sulfur mustard is a vesicant chemical warfare agent, which has been used during Iraq-Iran-war. Many veterans and civilians still suffer from long-term complications of sulfur mustard exposure, especially in their lung. Although the lung lesions of these patients are similar to Chronic Obstructive Pulmonary Disease (COPD), there are some differences due to different etiology and clinical care. Less is known on the molecular mechanism of sulfur mustard patients and specific treatment options. microRNAs are master regulators of many biological pathways and proofed to be stable surrogate markers in body fluids. Based on that microRNA expression for serum samples of sulfur mustard patients were examined, to establish specific microRNA patterns as a basis for diagnostic use and insight into affected molecular pathways. Patients were categorized based on their long-term complications into three groups and microRNA serum levels were measured. The differentially regulated microRNAs and their corresponding gene targets were identified. Cell cycle arrest, ageing and TGF-beta signaling pathways showed up to be the most deregulated pathways. The candidate microRNA miR-143-3p could be validated on all individual patients. In a ROC analysis miR-143-3p turned out to be a suitable diagnostic biomarker in the mild and severe categories of patients. Further microRNAs which might own a link to the biology of the sulfur mustard patients are miR-365a-3p, miR-200a-3p, miR-663a. miR-148a-3p, which showed up only in a validation study, might be linked to the airway complications of the sulfur mustard patients. All the other candidate microRNAs do not directly link to COPD phenotype or lung complications. In summary the microRNA screening study characterizes several molecular difference in-between the clinical categories of the sulfur mustard exposure groups and established some useful microRNA biomarkers.
2018-03-01 | GSE110797 | GEO
Project description:Sulfur mustard (HD) is a vesicating agent that targets the eyes, skin, and lungs, producing skin burns, conjunctivitis, and compromised respiratory function. Underlying mechanisms of this damage are a critical area of research for the development of medical countermeasures. This study utilized mRNA analysis to evaluate molecular effects of HD on lung tissue from anesthetized swine inhalationally exposed to HD
2016-09-01 | GSE73088 | GEO
Project description:Large White and Meishan pigs were either non-treated or injected with mammalian 1-24 ACTH (Immediate Synachten, Novartis France) at the dose of 250 µg per animal. Pigs were sacrificed either immediately after capture from their home cage (non-treated animals) or 1 hour following ACTH injection. Adrenal glands were immediately collected from pigs and frozen on dry ice and then stored at -80°C until RNA isolation. Keywords: stress response, adrenal, gene expression, pig
2008-01-07 | GSE8377 | GEO
Project description:Transcriptome analysis of swine testis cells following swine transmissible gastroenteritis coronavirus infection
| PRJNA318729 | ENA
Project description:Male Sprague-dawley rats were exposed to saline, isopropyl alcohol, 1mg/kg, 3mg/kg or 6 mg/kg sulfur mustard for 30 min, 1 hr, 3 hr, 6 hr, or 24 hr before analysis of lung tissue by oligonucleotide array analysis. Keywords = sulfur mustard Keywords = rat Keywords = lung Keywords = bis-(2-chloroethyl) sulfide Keywords: ordered
2004-12-20 | GSE1888 | GEO
Project description:Large White and Meishan pigs were either non-treated or injected with mammalian 1-24 ACTH (Immediate Synachten, Novartis France) at the dose of 250 µg per animal. Pigs were sacrificed either immediately after capture from their home cage (non-treated animals) or 1 hour following ACTH injection. Adrenal glands were immediately collected from pigs and frozen on dry ice and then stored at -80°C until RNA isolation. Keywords: stress response, adrenal, gene expression, pig 47 samples
2010-06-29 | E-GEOD-8377 | biostudies-arrayexpress
Project description:Sulfur mustard (SM) is a potent alkylating agent. We are developing medical countermeasures to reduce the injury caused by SM exposure. Screening in the mouse ear vesicant model has identified three effective compounds: dimercaprol (British anti-lewisite), indomethacin, and octyl homovanillamide (OHV). To identify gene expression changes that correlate with compound efficacy we used oligonucleotide microarrays to compare gene expression profiles in vehicle-exposed skin, SM-exposed skin, and skin pretreated with each compound before SM exposure. Mice were topically exposed on the inner surface of the right ear to SM alone or pretreated for 15 min with one of the compounds and then exposed to SM. Left ears were vehicle-exposed. Ear tissue was harvested 24 hr later for ear weight determination (an endpoint indicating compound efficacy). The exposure groups were: methylene chloride (sulfur mustard vehicle); ethanol (drug vehicle); 0.08 mg sulfur mustard; 6.25 mg dimercaprol 15 min before 0.08 mg sulfur mustard; 1.34 mg indomethacin 15 min before 0.08 mg sulfur mustard; 0.6 mg octylhomovanillamide 15 min before 0.08 mg sulfur mustard; 6.25 mg dimercaprol alone; 1.34 mg indomethacin alone; 0.6 mg octylhomovanillamide alone. RNA was extracted from the tissues and used to generate oligonucleotide microarray probes. Principal component analysis of the gene expression data revealed partitioning of the samples based on drug treatment and SM exposure. Vehicle-exposed mouse ears clustered away from the other treatment groups. SM-exposed mouse ears pretreated with dimercaprol or OHV clustered more closely with vehicle-exposed ears, while SM-exposed mouse ears pretreated with indomethacin clustered more closely with SM-exposed ears. This clustering of the samples is supported by the ear weight data, in which the indomethacin group has ear weights closer to the SM-exposed group, whereas the dimercaprol and OHV groups have ear weights closer to the vehicle-exposed group. Correlation coefficients were calculated for each gene based on the correlation between gene expression level and ear weight. These data provide the basis for understanding what gene expression changes are important in the development of effective SM medical countermeasures. Experiment Overall Design: Exposure of mouse ears to sulfur mustard alone, sulfur mustard preceded by drug treatment, or vehicle compounds. Naive controls were also included. Biological replicates of at least n=3 were examined for each exposure condition.
2007-12-01 | E-GEOD-2950 | biostudies-arrayexpress
Project description:Response of swine lung to H1N1 swine influenza virus infection revealed by transcription analysis
| PRJNA140591 | ENA