Project description:Proper functioning of the lymphatic system is required for normal immune response, fluid balance and lipid reabsorption. Multiple regulatory mechanisms are employed to ensure correct formation of lymphatic vessels; however, whether epigenetic regulation is involved in this process remains largely unknown. We report that epigenetic priming by the Disruptor of telomeric silencing 1-like (DOT1L) in endothelial cell (EC) is indispensable for generation and function of lymphatic endothelial cells (LECs). Mechanistically, loss function of DOT1L leads to reduction of H3K79 di-methylation and expression of the genes important for LEC development and function. Thus, our study establishes DOT1L-mediated transcriptional regulation in ECs plays an important role in differentiation and function of LECs.
Project description:Proper functioning of the lymphatic system is required for normal immune response, fluid balance and lipid reabsorption. Multiple regulatory mechanisms are employed to ensure correct formation of lymphatic vessels; however, whether epigenetic regulation is involved in this process remains largely unknown. We report that epigenetic priming by the Disruptor of telomeric silencing 1-like (DOT1L) in endothelial cell (EC) is indispensable for generation and function of lymphatic endothelial cells (LECs). Loss function of DOT1L leads to reduction of H3K79 di-methylation and expression of the genes important for LEC development and function. Thus, our study establishes DOT1L-mediated transcriptional regulation in ECs plays an important role in differentiation and function of LECs.
Project description:GeneChip® Mouse Gene 2.0 ST Array for C57BL/6 mouse skin dermal primary lymphatic endothelial cells (Ms LEC) and mouse lymphatic endothelial cell line SVEC4-10 GeneChip® Human Gene 2.0 ST Array for human primary lymphatic endothelial cells (Hu LEC) Total RNA from lymphatic cell line SVEC4-10 were used for GeneChip® Mouse Gene 2.0 ST Array. SVEC4-10 samples, human and mouse LEC samples.
Project description:Human dermal lymphatic endothelial cells were cultured and treated with either vehicle or 10 nM AM for 15 minutes, 1 hour, or 24 hours to assess gene expression changes across the human genome with AM treatment. Two variable experiment, time (0.25, 1, 24 hours) and treament (vehicle vs adrenomedullin) of gene expression in human lymphatic endothelial cells. Biological replicates: 3-4 per condition.
Project description:GeneChip® Mouse Gene 2.0 ST Array for C57BL/6 mouse skin dermal primary lymphatic endothelial cells (Ms LEC) and mouse lymphatic endothelial cell line SVEC4-10 GeneChip® Human Gene 2.0 ST Array for human primary lymphatic endothelial cells (Hu LEC) Total RNA from lymphatic cell line SVEC4-10 were used for GeneChip® Mouse Gene 2.0 ST Array.
Project description:Proliferation and migration of lymphatic endothelial cells (LECs) are essential for lymphatic vessel growth (also known as lymphangiogenesis), which plays a critical role in regulating the tissue fluid balance and immune cell trafficking in physiological and pathological conditions.