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Hydrostatic pressure controls angiogenesis through endothelial YAP1 during lung regeneration

ABSTRACT: Hydrostatic pressure controls angiogenesis through endothelial YAP1 during lung regeneration

PROVIDER: PRJNA645141 | ENA |

REPOSITORIES: ENA

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Hydrostatic pressure controls angiogenesis through endothelial YAP1 during lung regeneration

Project description:Pulmonary artery (PA) pressure increases during lung growth after unilateral pneumonectomy (PNX). Mechanosensitive transcriptional co-activator, yes-associated protein (YAP1), in endothelial cells (ECs) is necessary for angiogenesis during post-PNX lung growth. We investigate whether increases in PA pressure following PNX controls angiogenesis through YAP1. When hydrostatic pressure is applied to human pulmonary arterial ECs (HPAECs), the expression of YAP1, transcription factor TEAD1, and angiogenic factor receptor Tie2 increases, while these effects are inhibited when HPAECs are treated with YAP1 siRNA or YAP1S94A mutant that fails to bind to TEAD1. Hydrostatic pressure also stimulates DNA synthesis and cell migration in HPAECs, while YAP1 knockdown or YAP1S94A mutant inhibits the effects. Gene enrichment analysis reveals that the levels of extracellular matrix (ECM) or cell adhesion molecules are altered in post-PNX mouse lung ECs, which interact with YAP1. Exosomes are known to promote tissue regeneration. Proteomics analysis reveals that exosomes isolated from conditioned media of post-PNX mouse lung ECs contain the higher levels of ECM and cell-adhesion proteins compared to those from sham-operated mouse lung ECs. Recruitment of host lung ECs and blood vessel formation are stimulated in the fibrin gel containing exosomes isolated from post-PNX mouse lung ECs or pressurized ECs, while YAP1 knockdown inhibits the effects. These results suggest that increases in PA pressure stimulate angiogenesis through YAP1 during regenerative lung growth.

2022-03-09 | GSE154110 | GEO

Mouse oocytes: High hydrostatic pressure (HP) treated vs. Control

2012-01-06 | GSE28410 | GEO

Mouse oocytes: High hydrostatic pressure (HP) treated vs. Control

Project description:Transcription profiling of mouse oocytes treated with 20 MPa hydrostatic pressure for 60 minutes at 37 °C comparing control oocytes kept under identical conditions as pressure treated ones, except HHP treatment. One-condition experiment, HP treated oocytes vs. Control oocytes. Biological replicates: 4 HP treated replicates, 4 control replicates.

2012-01-06 | E-GEOD-28410 | biostudies-arrayexpress

Thermococcus eurythermalis A501, high hydrostatic pressure

Project description:In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP) and salinity on an archaeal strain, Thermococcus eurythermalis A501. Here is the result of pressure adaptation: HP (40 MPa) tested under 85°C and 95°C, and the optimal culture condition (85°C, pH 7, 2.3% NaCl, 10 MPa) was used as the control.

2020-09-09 | PXD019007 | Pride

The effect of hydrostatic pressure in C. elegans

Project description:We examined whether hydrostatic-pressure induced nuclear DAF-16 functions as a transcription factor. The expression changes were monitored by using DNA microarray analyses, after the WT adult hermaphrodites were exposed to a pressure of ≥30 MPa for 5 minutes. The results showed significant and reproducible increase of 31 genes after 30 minutes

2020-07-31 | GSE133703 | GEO

Whole transcriptomic analysis of mouse ATDC5 chondrocyte precursor cells under 25 MPa hydrostatic pressure for 0, 1 , 4 or 24h

Project description:Hydrostatic pressure is one of the main mechanical stimuli cartilage cells are submitted to during joint loading. If moderate hydrostatic pressure is known to be beneficial to cartilage differentiation, excessive pressure, on the other hand, induces changes in cartilage similar to those observed in osteoarthritic cartilage. Therefore, the purpose of the experiment is to identify new target genes of high hydrostatic pressure in chondrocyte precursor cells.

2017-12-02 | E-MTAB-5326 | biostudies-arrayexpress

Several genes expression patterns in Desulfovibrio hydrothermalis sp. nov. AM13T in response to hydrostatic pressure

Project description:We have identified differentially expressed genes according to hydrostatic pressure growth conditions in Desulfovibrio hydrothermalis. The transcriptomic datasets report the molecular mechanisms which could be involved in such adaptation and give information for the piezophile sulfate-reducing bacteria research communities. The data obtained pointed out a gradual response of D. hydrothermalis to an increase of hydrostatic pressure, with a threshold above 10 MPa and the involvement of a quite limited number of genes and/or pathways involved in the adaptation to hydrostatic pressure.

2015-10-13 | GSE55745 | GEO

Mouse oocytes and in vitro fertilized four-cell stage embryos: High hydrostatic pressure (HP) treated vs. Control

Project description:This SuperSeries is composed of the following subset Series: GSE28410: Mouse oocytes: High hydrostatic pressure (HP) treated vs. Control GSE28411: Mouse in vitro fertilized four-cell stage embryos: High hydrostatic pressure (HP) treated vs. Control Refer to individual Series

2012-01-06 | E-GEOD-28443 | biostudies-arrayexpress

Genes expression patterns in Desulfovibrio piezophilus sp. nov. C1TLV30T in response to hydrostatic pressure

Project description:We have identified differentially expressed genes according to hydrostatic pressure growth conditions in Desulfovibrio piezophilus. The transcriptomic datasets report the molecular mechanisms which could be involved in such adaptation and give information for the piezophile sulfate-reducing bacteria research communities. The data obtained pointed out different responses of D. piezophilus to an increase of hydrostatic pressure.

2017-01-01 | GSE58269 | GEO

Adaptation strategies of Pseudothermotoga species to hydrostatic pressure by transcriptional analyses

Project description:Pseudothermotoga elfii strain DSM9442 and P. elfii subsp. lettingae strain TMOT are hyperthermophilic bacteria. P. elfii is a moderate piezophile, isolated from an oil-producing well in Africa at a depth of more than 1600 m. P. lettingae is piezotolerant, isolated from a thermophilic bioreactor fed with methanol as the sole carbon and energy source. In this study, we analysed these bacteria at the genomic and transcriptomic levels. According to the hydrostatic pressure growth conditions the transcriptomic analyses revealed differentially expressed genes emphasizing amino acid and sugars metabolism and transport as the major hydrostatic pressure responding processes. Notably, this work highlights the central role of the amino acid aspartate as key intermediate of the pressure adaptation mechanisms of the deep strain P. elfii DSM 9442. In addition, several differentially expressed genes involved in the membrane and cell wall biosynthesis pathways may be linked to the chain formation morphotype previously described at high pressure for strain P. elfii DSM9442.

2023-03-30 | GSE226101 | GEO

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