Project description:We reported the RNAseq analyses of right ventricualr free wall myocardium in neonatal volume overload (VO) SD rat. VO was induced by the fistula between abdominal aorta and inferior vena cava (AVF) within 24 hours postnatally (P1). RNAseq analyses of RV free wall at P7 from VO and sham-operated rat revealed that there were 454 differentially expressed genes between VO and sham group at P7. GO analysis showed that in the VO and sham comparison, the upregulated genes mainly mediated immune system response and the downregulated genes mainly mediated apoptotic process at P7. VO has no effect to neonatal right ventricular cardiomyocyte proliferation.
Project description:To investigate the effect of volume overload (VO) during postnatal right atrium (RA) development, we established the RA VO model by conducting the fistula between abdominal aorta and inferior vena cava (ACF) on postnatal day 7(P7) C57/BL6 mice. We then performed gene expression analysis using data obtained from RNA-seq of RA from VO and sham-operated mice at postnatal day 21 (P21).
Project description:We reported the RNAseq analyses of left ventricualr free wall myocardium in young volume overload (VO) C57/BL6 mice.VO was induced by the fistula between abdominal aorta and inferior vena cava (AVF) on postnatal day 7(P7). RNAseq analyses of LV free wall at P14 and P21from VO and sham-operated mice revealed that there were 378 differentially expressed genes between VO and sham group at P14, this number decreased to 184 at P21, there were 1374 differentially expressed genes between P21 and P14 sham group, and the number chenged to 1167 at the presence of VO. GO analysis showed that in the VO and sham comparison, the upregulated genes mainly mediated cell−cell junction and the downregulated genes mainly mediated regulation of immune response at P14, and the upregulated genes mainly mediated cell growth, and downregulated genes mainly mediated response to interferon−beta at P21. As expected, in the normal LV development during preadolescence (from P14 to P21), upregulated genes mainly mediated muscle system process and regulation of membrane potential and the downregulated genes mainly mediated regulation of mitotic cell cycle. VO changed the LV development, the upregulated genes mainly mediated regulation of protein catabolic process and the down regulated genes mainly mediated antigen processing and presentation. KEGG pathway analysis revealed that glucagon signaling pathway was upregulated and phagosome pathway and chemokine signaling pathway were downregulated between VO and sham group at P14, protein processing in endoplasmic reticulum was upregulated and antigen processing and presentation were downregulated at P21 between VO and sham group. In the normal LV development, calcium signaling pathway and cardiac muscle contraction pathway were upregulated while VO changed that to the arginine and proline metabolism . All the above changes were further confirmed by the functional tests.
Project description:We reported the RNAseq analyses of right ventricualr free wall myocardium in young volume overload (VO) C57/BL6 mice.VO was induced by the fistula between abdominal aorta and inferior vena cava (AVF) on postnatal day 7(P7). RNAseq analyses of RV free wall at P14 and P21from VO and sham-operated mice revealed that there were 981 differentially expressed genes between VO and sham group at P14, this number increased to 1907 at P21, there were 3012 differentially expressed genes between P21 and P14 sham group, and the number increased to 3470 at the presence of VO. GO analysis showed that in the VO and sham comparison, the upregulated genes mainly mediated mitosis and cell division and the downregulated genes mainly mediated heart contraction at P14, and the upregulated genes mainly mediated immune response, and downregulated genes mainly mediated cellular respiration at P21. As expected, in the normal RV development during preadolescence (from P14 to P21), upregulated genes mainly mediated oxidative phosphorylation and cellular respiration and the downregulated genes mainly mediated vasculogenesis. VO changed the RV development, the upregulated genes mainly mediated heart contraction and the down regulated genes mainly mediated vasculogenesis and cell cycle. KEGG pathway analysis revealed that cell cycle pathway was upregulated and cardiac muscle contraction and thyroid hormone signaling pathway were downregulated between VO and sham group at P14, phagosome pathway was upregulated and citrate cycle (TCA) cycle and thermogenesis were downregulated at P21 between VO and sham group. In the normal RV development, TCA cycle and cardiac muscle contraction pathway were upregulated while VO changed that to the upregulations of cardiomyopathy pathways and thyroid hormone signaling pathway. All the above changes were further confirmed by the functional tests.
Project description:We reported the RNAseq analyses of right ventricular free wall of myocardium in three groups of mice(3 in each group)at postnatal day 14 (P14). The mice in volume overload (VO) group underwent an abdominal surgery by puncture from aorta to inferior vena cava at P7, mice in Sham group underwent the same surgery except for the puncture. The mice in CsA group were VO mice who were also injected with cyclosporin A(CsA) for seven days. The results revealed that there were differentially expressed genes between VO and sham group at P14, Inhibiting the immune response with CsA caused the gene expression profile of VO mice to shift towards that of sham mice.
Project description:We developed a bottom-up engineering approach to building vascularized human tissue by combining genetic reprogramming with chemically directed organoid differentiation. As a proof of concept, we created neuro-vascular and myo-vascular organoids via transcription factor overexpression in vascular organoids. We characterized neuro-vascular organoids (iN-VOs) by single cell RNA-sequencing (scRNA-seq) to determine cell type composition and gene expression. Using droplet based scRNA-seq we analyzed over 26,000 cells across day 45 organoids grown under three conditions: 45 days of NEUROD1 overexpression (iN-VO, 45 Days Induction), 15 days of NEUROD1 overexpression (iN-VO, 15 Days Induction) and without overexpression (iN-VO, No Induction). We find that organoids contain a neural cell population only upon induction of NEUROD1 while maintaining the full set of endothelial and mesenchymal lineages present in uninduced vascular organoids.
Project description:Identify shear and side-specific miRNAs in Human Aortic Valvular Endothelial Cells using the following conditions: 1) fHAVEC exposed to OS (FO), 2) vHAVEC exposed to OS (VO), 3) fHAVEC exposed to LS (FL), and 4) vHAVEC exposed to LS (VL). 24 samples; n=6 for the following 4 groups: FO, VO, FL, and VL. 48 samples total (24 miRNA, 24mRNA)
Project description:Transcriptional profiling of adipose tissue comparing three diets with different levels of replacement of fish oil for vegetable oils. Juvenile gilthead sea bream (Sparus aurata L.) of 16 g initial mean body weight were distributed into 9 fibreglass tanks (500 l) in groups of 60 fish at the research experimental facilities of IATS. Each group received (from May 23rd to September 19th) one of the three experimental diets nominally CTRL, 66VO and VO. All diets were based on plant proteins and dietary oil was either Scandinavian FO (CTRL diet) or a blend of vegetable oils, replacing the 66% (66VO diet) and 100% (VO diet) of FO. Four samples, using a control diet (CTRL) as reference and double color hybridization and dye swap with the other two (66VO, VO)