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A functional circuit formed by the autonomic nerves and myofibroblasts controls mammalian alveolar formation for gas exchange

ABSTRACT: A functional circuit formed by the autonomic nerves and myofibroblasts controls mammalian alveolar formation for gas exchange

PROVIDER: PRJNA783057 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17023258_1.fastq.gz	Fastqsanger.gz
	SRR17023258_2.fastq.gz	Fastqsanger.gz
	SRR17023259_1.fastq.gz	Fastqsanger.gz
	SRR17023259_2.fastq.gz	Fastqsanger.gz
	SRR17023260_1.fastq.gz	Fastqsanger.gz

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A functional circuit formed by the autonomic nerves and myofibroblasts controls mammalian alveolar formation for gas exchange

Project description:Alveolar formation increases the surface area for gas exchange. A molecular understanding of alveologenesis remains incomplete. Here, we show that the autonomic nerve and alveolar myofibroblast form a functional unit in mice. Myofibroblasts secrete neurotrophins to promote neurite extension/survival, whereas neurotransmitters released from autonomic terminals are necessary for myofibroblast proliferation and migration, a key step in alveologenesis. This establishes a functional link between autonomic innervation and alveolar formation. We also discover that planar cell polarity (PCP) signaling employs a Wnt-Fz/Ror-Vangl cascade to regulate the cytoskeleton and neurotransmitter trafficking/release from the terminals of autonomic nerves. This represents a new aspect of PCP signaling in conferring cellular properties. Together, these studies offer molecular insight into how autonomic activity controls alveolar formation. Our work also illustrates the fundamental principle of how two tissues (e.g., nerves and lungs) interact to build alveoli at the organismal level.

2022-06-16 | GSE189466 | GEO

A functional circuit formed by the autonomic nerves and myofibroblasts controls mammalian alveolar formation for gas exchange.

| S-EPMC9308505 | biostudies-literature

Expression data from rat regenerating livers after autonomic nervous system is disrupted

2010-12-18 | GSE26138 | GEO

Expression data from rat regenerating livers after autonomic nervous system is disrupted

Project description:Autonomic nervous system is widely distributed in liver, and some reserchers have found that disruppted autonomic nerves will delay liver regeneration. We used microarrays to further highlight the regulatory role of autonomic nervous system in liver regeneration at gene transcription level. Surgical operations of rat partial hepatectomy (PH) and its operation control (OC), sympathectomy combining partial hepatectomy (SPH), vagotomy combining partial hepatectomy (VPH), and total liver denervation combining partial hepatectomy (TDPH) were performed, and the expression profiles of regenerating liver at 2h were detected using Rat Genome 230 2.0 array. Then the significantly changed genes related to liver regeneration (LR)-, injury-, splanchnic nerve-LR-, vagal nerve-LR-, and autonomic nerve-LR-related genes were identified, respectively. The relevance of gene expression profiles and biological processes was analyzed by bioinformatics and systems biology.

2010-12-18 | E-GEOD-26138 | biostudies-arrayexpress

Cancer-derived myofibroblasts vs. non-cancer derived myofibroblasts

Project description:All samples are conditioned media from primary cultured human gastric myofibroblasts, derived from either carcinoma tissue, or adjacent non cancerous tissue. In each experiment the cancer-derived myofibroblasts are compared against the non-cancer derived myofibroblasts from the same patient. All of the experiments were samples from Patient 1, except for 648, which is from Patient 2. SILAC labelling in each case is; 567 - Methionine COFRADIC; Cancer-derived = Heavy, Non-cancer = Light 575 - N-terminal COFRADIC; Cancer-derived = Heavy, Non-cancer = Light 646 - Cancer-derived = Light, Non-cancer = Heavy 647 - Non-cancer = Heavy, Non-cancer = Light (same cell line labelled twice to create a control experiment) 648 - Cancer-derived = Heavy, Non-cancer = Light

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Motor nerves direct the development of the sympathetic nervous system

Project description:The sympathetic nervous system controls a wide spectrum of bodily functions including operation of vessels, cardiac rhythm, and the “flight or fight response”. Sympathetic neurons, which are neural crest-derived, develop in coordination with presynaptic motor nerves extending from the central nervous system (CNS). By using nerve-selective genetic ablations, we revealed that sympathetic ganglia development depends on CNS-derived motor innervation. In the absence of preganglionic motor nerves, trunk sympathetic chain ganglia were fragmented and smaller in size, while cervical ganglia were severely misshapen. Sympathetic neurons were misplaced along sensory fibers and projected towards abnormal paths, in some cases invading the sensory dorsal root ganglia. The misplaced progenitors of sympathoblasts corresponded to the nerve-associated, neural crest-derived Schwann cell precursors (SCPs). Notably, we found that SCPs activate the autonomic marker PHOX2B while migrating along motor nerves towards the region of the dorsal aorta in wildtype embryos, suggesting that SCP differentiate into sympathetic neurons while still nerve-associated in motor-ablated embryos. Ligand-receptor prediction from single cell transcriptomic data coupled with functional studies identified Semaphorin 3A/3F as candidate motor nerve-derived signals influencing neural crest migration along axons. Thus, motor nerves control the placement of sympathoblasts and their subsequent axonal navigation during critical periods of sympathetic chain development.

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2019-03-04 | PXD008104 | Pride

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Lrig2 is required for maturation of peripheral nerves in the urinary bladder

Project description:Leucine-rich-repeats and immunoglobulin-like-domains (LRIG2) variants can occur in urofacial syndrome (UFS), an inherited disease characterised by functional bladder outlet obstruction. We aimed to define the pathobiology underlying UFS which we hypothesised would illuminate how the bladder becomes innervated. Lrig2 was detected in pelvic ganglia supplying autonomic neurons to the bladder, and in neurites and glia emanating from explanted ganglia. One week old Lrig2 mutant mice displayed abnormally patterned bladder nerves, as did mice with mutations of Hpse2, also mutated in some UFS patients. From two weeks postnatally, Lrig2 mutants had urination defects resembling UFS. Molecules implicated in neural biology, including Nos1 which relaxes the bladder outlet, were dysregulated in newborn Lrig2 mutant bladders. These molecular aberrations preceded manifest urination defects. We discovered novel homozygous missense LRIG2 variants in non-syndromic bladder outlet obstruction. Molecules mutated in UFS are required for bladder innervation and LRIG2 variants can occur in non-syndromic bladder disease as well as in UFS.

2020-04-27 | E-MTAB-6089 | biostudies-arrayexpress

The genomic, epigenomic and biophysical cues controlling the emergence of the gas exchange niche in the lung

Project description:The lung alveolus is the functional unit of the respiratory system required for gas exchange. During the transition to air breathing at birth, biophysical forces are thought to shape the emerging tissue niche. However, the intercellular signaling that drives these processes remain poorly understood. Applying a multimodal approach, we identify alveolar type 1 (AT1) epithelial cells as a distinct signaling hub. Lineage tracing demonstrates that AT1 progenitors align with receptive, force-exerting, myofibroblasts in a spatial and temporal manner. Through single cell chromatin accessibility and pathway expression (SCAPE) analysis, we demonstrate that AT1-restricted ligands are required for myofibroblasts and alveolar formation. These studies show that the alignment of cell fates, mediated by biophysical and AT1-derived paracrine signals, drives the extensive tissue remodeling required for postnatal respiration.

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