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Hypercapnia impairs fibroblast cell activity and promotes cellular differentiation

ABSTRACT: Hypercapnia impairs fibroblast cell activity and promotes cellular differentiation

PROVIDER: PRJNA691761 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR13426658.fastq.gz	Fastqsanger.gz
	SRR13426659.fastq.gz	Fastqsanger.gz
	SRR13426660.fastq.gz	Fastqsanger.gz
	SRR13426661.fastq.gz	Fastqsanger.gz
	SRR13426662.fastq.gz	Fastqsanger.gz

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Hypercapnia impairs fibroblast cell activity and promotes cellular differentiation

Project description:Hypercapnia has deleterious effects on cell function, including inhibition of alveolar epithelial cells (AEC) and fibroblast proliferation without causing cell death. Classical studies and lineage-trace models demonstrated that fibroblast cells can affect the structurally and functionally distinct alveolar type 1 cells (AT1) and alveolar type 2 cells. This fibroblast cells reprogramming depends on certain signaling pathways that plays critical roles in tissue development and homeostasis throughout the organism lifespan.

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Hypercapnia impairs AT2 cell progenitor activity and promotes differentiation to AT1 cells

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Hypercapnia impairs AT2 cell progenitor activity and promotes differentiation to AT1 cells

Project description:Hypercapnia has deleterious effects on cell function, including inhibition of alveolar epithelial cells (AEC) and fibroblast proliferation without causing cell death. Classical studies and lineage-trace models demonstrated that surfactant-producing AT2 cells can serve as stem cells for the structurally and functionally distinct alveolar type 1 cells (AT1) This AT2 reprogramming depends on Wnt/βcat signaling, a pathway that plays critical roles in tissue development and homeostasis throughout the organism lifespan. We found that high CO2 inhibits AT2 cell proliferation and self renewal, and promote their differentiation to ATEC and AT1 cells

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Hypercapnia alters Wnt production from PDGFR+ lung fibroblasts

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Buffered hypercapnia alters the transcriptional profile in monocytes.

Project description:In monocytes we used RNA-sequencing to investigate the effect of 4hrs of exposure to buffered hypercapnia (10% CO2) compared to normocapnia (5% CO2) with and without the pro-inflammatory stimulus LPS (2.5ug/ml) for the final 2hrs. Buffered hypercapnia causes transcriptional changes associated with altered metabolic function in both the basal and stimulated states.

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Drosophila elevated CO2 (hypercapnia) microarray

Project description:The effects of elevated CO2 (hypercapnia) on organisms are not well known, nor are the molecular pathways by which organisms sense CO2. We have performed microarray analysis on Drosophila in order to develop a genetic model for better understanding the effects of CO2. Equal numbers of 5-day old male and female flies (at least 40 total) were exposed to 13% CO2 or air for 24h and RNA extracted. Gene expression changes in CO2 compared with air were analyzed. Experiments were performed in triplicate and the 3 separate microarray experiments are included.

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Drosophila elevated CO2 (hypercapnia) microarray

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NR4A2 and NR4A3 selectively modulate elements of the monocyte response to buffered hypercapnia

Project description:In wild type, NR4A2-deficient, and NR4A3-deficient monocytes we used RNA-sequencing to investigate the effect of 4hrs of exposure to buffered hypercapnia (10% CO2) compared to normocapnia (5% CO2) with and without the pro-inflammatory stimulus LPS (2.5ug/ml) for the final 2hrs. Buffered hypercapnia causes transcriptional changes associated with altered metabolic function in both the basal and stimulated states.

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Effect of Hypercapnia on Murine Ventilator-Induced Lung Injury

Project description:Addition of CO2 to the inspired gas can ameliorate lung injury during high tidal volume mechanical ventilation in animal models. Although some effects of hypercapnia on physiology and cell signaling have been characterized, we hypothesized that assessment of genome-wide gene expression patterns would reveal novel pathways of protection. We subjected male C57BL/6J mice to non-injurious low stretch (tidal vol = 10 mL/kg, PEEP = 2 cm H2O) or injurious high stretch (tidal volume approx 35 mL/kg, PEEP = 0 cm H2O) mechanical ventilation for 3 hours under normocapnia (FiCO2 = 0) or hypercapnia (FiCO2 = 0.12).

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