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Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation III

ABSTRACT: Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation III

PROVIDER: PRJNA593271 | ENA |

REPOSITORIES: ENA

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Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation III

Project description:While the inflammatory immune response of the lung to allergens and pathogens has been extensively studied, little is known about how sensory nerves change in response to an inflammatory insult within the organ they innervate. In our study we describe the collection of vagal sensory neurons innervating the mouse lung, labelled with a retrograde fluorescent tracer instilled into the airways, and the analysis of their transcriptomes by RNAseq. We also determined transcriptomes of the complete sensory ganglia (vagal, trigeminal, DRG) for comparison. We identified transcripts of genes exclusively expressed in vagal nerves, and not in any other sensory nerve type or any other organ. These include unique ion channels, G-protein coupled receptors and several transcripts of unknown function.

2020-03-15 | GSE141399 | GEO

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation II

2020-03-15 | GSE141395 | GEO

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation I

2020-03-15 | GSE141268 | GEO

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation

Project description:Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation

| PRJNA593269 | ENA

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation I

Project description:Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation I

| PRJNA592995 | ENA

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation II

Project description:Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide induced lung inflammation II

| PRJNA593272 | ENA

Spatial transcriptomic analysis of liver-innervating vagal sensory neurons

Project description:We report the effect of ablating liver-innervating vagal sensory neurons in diet-induced obese male mice

2024-12-23 | GSE264570 | GEO

Rat motor and sensory nerve LC-MSMS

Project description:Peripheral nerve repair and functional recovery depend on the rate of nerve regeneration and the quality of target reinnervation. It is important to fully understand the cellular and molecular basis underlying the specificity of peripheral nerve regeneration, which means the achieving of respective correct pathfinding and accurate target reinnervation for regrowing motor and sensory axons. In this study, a quantitative proteomic technique, based on isobaric tags for relative and absolute quantitation (iTRAQ) was used to profile the protein expression pattern between single motor and sensory nerves at 14 days after peripheral nerve transection. Among a total of 1259 proteins identified, 176 proteins showed the differential expressions between injured motor and sensory nerves. Quantitative real-time RT-PCR and Western blot analysis were applied to validate the proteomic data on representative differentially expressed proteins. Functional categorization indicated that differentially expressed proteins were linked to a diverse array of molecular functions, including axonogenesis, response to axon injury, tissue remodeling, axon ensheathment, cell proliferation and adhesion, vesicle-mediated transport, response to oxidative stress, internal signal cascade, and macromolecular complex assembly, which might play an essential role in peripheral motor and sensory nerve regeneration. Overall, we hope that the proteomic database obtained in this study could serve as a solid foundation for the comprehensive investigation of differentially expressed proteins between injured motor and sensory nerves and for the mechanism elucidation of the specificity of peripheral nerve regeneration.

2020-12-10 | PXD022097 | Pride

Rat sensory and motor nerve fibroblasts LC-MSMS

Project description:In this study, a quantitative proteomic technique based on isobaric tags for relative and absolute quantitation (iTRAQ) was used to compare the proteome of cultured sensory and motor nerve fibroblasts (Fbs). Among a total of 2597 overlapping proteins identified, we obtained 148 differentially expressed proteins, of which 116 proteins were significantly higher expressed in sensory Fbs, and 32 proteins were significantly higher expressed in motor Fbs. Western blot and qPCR analysis were applied to validate differentially expressed proteins. Functional categorization indicated that differentially expressed proteins were linked to a diverse array of biological processes , including regeneration, axon guidance, cytoskeleton organization, cell proliferation, cell migration, cell adhesion, and tissue remodeling, which might play a critical role in the specificity of peripheral nerve regeneration. Furthermore, following co-culture of motor neurons with motor or sensory Fbs , motor Fbs significantly enhanced neurite growth than sensory Fbs. These findings indicated that nerve Fbs expressed the distinct motor and sensory phenotypes involved in different patterns of protein expression, biological processes, and effects on neurons.

2023-03-11 | PXD034827 | Pride

Activation of a nerve injury transcriptional signature in airway-innervating sensory neurons after lipopolysaccharide-induced lung inflammation.

Project description:The lungs and the immune and nervous systems functionally interact to respond to respiratory environmental exposures and infections. The lungs are innervated by vagal sensory neurons of the jugular and nodose ganglia, fused together in smaller mammals as the jugular-nodose complex (JNC). Whereas the JNC shares properties with the other sensory ganglia, the trigeminal (TG) and dorsal root ganglia (DRG), these sensory structures express differential sets of genes that reflect their unique functionalities. Here, we used RNA sequencing (RNA-seq) in mice to identify the differential transcriptomes of the three sensory ganglia types. Using a fluorescent retrograde tracer and fluorescence-activated cell sorting, we isolated a defined population of airway-innervating JNC neurons and determined their differential transcriptional map after pulmonary exposure to lipopolysaccharide (LPS), a major mediator of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) after infection with gram-negative bacteria or inhalation of organic dust. JNC neurons activated an injury response program, leading to increased expression of gene products such as the G protein-coupled receptor Cckbr, inducing functional changes in neuronal sensitivity to peptides, and Gpr151, also rapidly induced upon neuropathic nerve injury in pain models. Unique JNC-specific transcripts, present at only minimal levels in TG, DRG, and other organs, were identified. These included TMC3, encoding for a putative mechanosensor, and urotensin 2B, a hypertensive peptide. These findings highlight the unique properties of the JNC and reveal that ALI/ARDS rapidly induces a nerve injury-related state, changing vagal excitability.

| S-EPMC7272742 | biostudies-literature

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