Project description:Oyster plasma contains various soluble factors secreted by hemocytes and other cells, which were separated from the haemolymph and collected for antibacterial activity as-says. Plasma was collected after V. parahaemolyticus injection, with PBS injection being set as a control. Plasma of the V. parahaemolyticus challenged group was markedly more bac-tericidal than that of the PBS treated control。Peptidomics was herein employed to identify new bioactive peptides with antibacterial activity from plasma based on liquid chromatography and tandem mass spectrometry. To apply large-scale peptidomics to oyster plasma proteins, oyster plasma was extracted from the V. parahaemolyticus challenged group (P4, P5, P6) and PBS treated control (P1, P2, P3).
Project description:Purpose: rHCI hydrogel injection improves cardiac function within 2 days of treatment in a mouse model of myocardial infarction. The goal of this study was to determine the differences in gene expression with rHCI hydrogel injection post-myocardial infarction. Methods: Total RNA was isolated from left ventricle tissue of samples and mRNA stranded libraries were prepared and sequenced in Illumina NovaSeq 6000 with a depth of 50 million reads per sample. Differential expression analysis of aligned reads was done to compared gene expression between PBS vs. rHCI, PBS vs. sham, and rHCI vs. sham comparisons. Results: Differentially expressed genes between sham and PBS as well as rHCI and PBS showed known gene signatures of myocardial infarction. Seven differentially expressed genes were detected with rHCI hydrogel injection compared to PBS. Conclusions: The target gene ERDR1 that is downregulated with rHCI injection led to discovery of changes in cardiomyocyte apoptosis and reduction of oxidative stress adducts with rHCI injection post-myocardial infarction.
2023-08-31 | GSE182205 | GEO
Project description:Study on Reproductive Behavior of Aspongopus chinensis
Project description:This study was performed to validate the newly developed CGP Atlantic cod 20K oligonucleotide microarray. Atlantic cod (Gadus morhua) received an intraperitoneal injection of either formalin-killed, atypical Aeromonas salmonicida (Asal) or PBS and transcriptional profiles of spleen tissues from Asal-injected fish were compared to those from pre-injection control fish and PBS-injected control fish. Gene expression profiles resulting from this study were compared to those from suppression subtractive hybridization library studies, that were previously performed on the same samples, and to literature. Gene expression patterns of single genes were confirmed by QPCR analysis. This study has shown that the newly developed CGP Atlantic cod 20K oligo microarray platform is a valuable tool for cod genomic research. Fish were assigned to 1 of 3 groups: Asal group, PBS group or 'undisturbed control' group (the latter were not handled during the experiment). These groups were kept in 3 separate tanks. For the test samples, RNA was used from individual spleen samples that were taken from 6 fish from each of 4 treatment groups: PBS group pre-injection (0H PBS), Asal group pre-injection (0H Asal), PBS group 24 hours post-injection (24HPI PBS) and Asal group 24 hours post-injection (24HPI Asal). All test samples were labeled with AlexaFluor 647. For the universal reference sample, RNA from 31 'undisturbed control' fish was pooled, with each individual contributing an equal amount, and labeled with AlexaFluor 555. Each individual test sample was hybridized together with the universal reference sample on an array. For one sample from the 0H PBS group the array failed. This study therefore includes 6 biological replicates for 0H Asal, 24HPI Asal and 24HPI PBS groups and 5 biological replicates for the 0H PBS group.
Project description:Intrarectally DNBS-treated groups, to provoke colitis, were treated orally with the commensal CEC (CEC) or probiotic Nissle 1917 (Nissle) E. coli strains. Healthy control group was treated intrarectally and orally with PBS (PP). Sick control group was treated intrarectally with DNBS and orally with PBS (DP). Mice were sacrificed 24 days post first DNBS injection and the colonic gene expression profiles analyzed by high-throughput qPCR using TaqMan OpenArrays Mouse Inflammation Panel.
Project description:Intrarectally DNBS-treated groups, to provoke colitis, were treated orally with the commensal CEC (CEC) or probiotic Nissle 1917 (Nissle) E. coli strains. Healthy control group was treated intrarectally and orally with PBS (PP). Sick control group was treated intrarectally with DNBS and orally with PBS (DP). Mice were sacrificed 24 days post first DNBS injection and the ileal gene expression profiles analyzed by high-throughput qPCR using TaqMan OpenArrays Mouse Inflammation Panel.
Project description:Analysis of gene expression in the liver of insulin-deficient mice regulated by icv leptin administration. Control group received icv PBS administration. Icv leptin administration ameliorates hyperglycemia in insulin-deficient mice. Our transcriptome data provides important aspects of the leptin’s anti-type 1 diabetes action.
Project description:The study used wild type (WT) and Baz2b-knockout (KO) mice to establish a subacute doxorubicin (DOX)-induced cardiotoxicity model by intraperitoneal injection for 6 times in 2 weeks. Mice injected with equivalent PBS were used as the control group.