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Nociceptive neurons interact with gastric cancer cells via a CGRP/Ramp1 axis to promote tumor progression

ABSTRACT: Nociceptive neurons interact with gastric cancer cells via a CGRP/Ramp1 axis to promote tumor progression

PROVIDER: PRJNA1018958 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26113200_1.fastq.gz	Fastqsanger.gz
	SRR26113200_2.fastq.gz	Fastqsanger.gz
	SRR26113201_1.fastq.gz	Fastqsanger.gz
	SRR26113201_2.fastq.gz	Fastqsanger.gz
	SRR26113202_1.fastq.gz	Fastqsanger.gz

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Nociceptive nerves regulate haematopoietic stem cell mobilization

Project description:Nociceptive neuropeptide CGRP acts directly on HSCs via the its receptor RAMP1/CALCRL, to promote egress by activating Gαs/Adenylyl cyclase/cAMP pathway.

2020-10-12 | GSE156449 | GEO

The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota

Project description:The somatosensory nervous system surveils external stimuli at barrier tissues, regulating innate immune cells under infection and inflammation. The roles of sensory neurons in controlling the adaptive immune system, and more specifically immunity to the microbiota, however, remain elusive. Here, we identified a novel mechanism for direct neuroimmune communication between commensal-specific T lymphocytes and somatosensory neurons mediated by the neuropeptide calcitonin gene-related peptide (CGRP) in the skin. Intravital imaging revealed that commensal-specific T cells are in close proximity to cutaneous nerve fibers in vivo. Correspondingly, we observed upregulation of the receptor for the neuropeptide CGRP, RAMP1, in CD8+ T lymphocytes induced by skin commensal colonization. Neuroimmune CGRP-RAMP1 signaling axis functions in commensal-specific T cells to constrain Type 17 responses and moderate the activation status of microbiota-reactive lymphocytes at homeostasis. As such, modulation of neuroimmune CGRP-RAMP1 signaling in commensal-specific T cells shapes the overall activation status of the skin epithelium, thereby impacting the outcome of responses to insults such as wounding. The ability of somatosensory neurons to control adaptive immunity to the microbiota via the CGRP-RAMP1 axis underscores the various layers of regulation and multisystem coordination required for optimal microbiota-reactive T cell functions under steady state and pathology.

2024-02-21 | GSE253063 | GEO

The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota.

2024-02-21 | GSE253041 | GEO

Nociceptive neurons interact with gastric cancer cells via a CGRP/Ramp1 axis to promote tumor progression

Project description:To determine how DRG affects mouse gastric cancer cells, we cocultured GC cells with DRG

2024-11-24 | GSE243578 | GEO

Nociceptor to macrophage communication through CGRP/RAMP1 signaling drives endometriosis-associated pain and lesion growth

Project description:Endometriosis is a debilitating and painful gynecological inflammatory disease affecting approximately 15% of women. Current treatments are ineffective for a significant fraction of patients, underscoring the need for new medical therapies with long-term benefits. Given the relevance of neuroimmune communication in different disease outcomes, we investigated the role of CGRP-mediated neuroimmune communication in endometriosis. We found that mouse and human endometriosis lesions contained CGRP and RAMP1. In mice, nociceptor ablation reduced pain, monocyte recruitment, and lesion size, suggesting that nociceptor activation and neuropeptide release contribute to endometriosis lesion growth and pain. In vitro, CGRP-induced pro-endometriosis macrophages (PEMs) showed impaired efferocytosis and supported endometrial cell growth in a RAMP1-dependent manner. Treatment with FDA-approved drugs that block CGRP-RAMP1 signaling reduced mechanical hyperalgesia, spontaneous pain, and lesion size in mice. Altogether, our data demonstrates the effectiveness, cellular mechanisms and pre-clinical safety of non-hormonal and non-opioid CGRP/RAMP1 blocking therapies, which may lead to clinical benefit for endometriosis patients.

2025-08-09 | GSE274685 | GEO

Bacteria hijack a neuro-immune axis in meninges to facilitate brain invasion

Project description:The meninges are densely innervated by nociceptive sensory neurons that mediate pain and headache. How pain and neuro-immune interactions impact meningeal host defenses is unclear. Bacterial meningitis causes life-threatening infections of the meninges and central nervous system (CNS), affecting over one million people a year. Here we find that Nav1.8+ neuron signaling to immune cells in the meninges via the neuropeptide calcitonin gene-related peptide (CGRP) exacerbates bacterial meningitis. Nociceptor ablation reduced meningeal and brain invasion by two bacterial pathogens: Streptococcus pneumoniae and Streptococcus agalactiae. S. pneumoniae activated nociceptors via Pneumolysin to release CGRP, which acts through its receptor RAMP1 on meningeal macrophages to inhibit chemokine expression, neutrophil recruitment and antimicrobial defenses. Macrophage-specific RAMP1 deficiency or blockade of RAMP1 signaling enhanced immune responses and bacterial clearance in meninges and brain. Therefore, targeting a neuro-immune axis in the meninges can enhance host defenses and may be a potential treatment for bacterial meningitis.

2022-12-23 | GSE221681 | GEO

CGRP sensory neurons promote tissue healing by modulating neutrophils and macrophages

Project description:Since the immune system plays a critical role in orchestrating tissue healing, regenerative strategies that control immune components have proven effective. This is particularly relevant when immune dysregulation resulting from conditions such as diabetes or advanced age impairs tissue healing following injury. Nociceptive sensory neurons play a crucial role as immunoregulators, exerting both protective and harmful effects depending on the context. However, how neuro-immune interactions impact tissue repair and regeneration after acute injury is unclear. Here, we show that Nav1.8+ nociceptor ablation impairs skin wound repair and muscle regeneration after acute tissue injuries. Nociceptor endings grow into injured skin and muscle tissues and signal to immune cells through the neuropeptide calcitonin gene-related peptide (CGRP) during the healing process. CGRP acts via receptor activity modifying protein 1 (RAMP1) on neutrophils and macrophages to inhibit recruitment, accelerate death, enhance efferocytosis, and polarise macrophages towards a pro-repair phenotype. CGRP effects on neutrophils and macrophages are mediated via thrombospondin-1 release and its subsequent autocrine/paracrine effects. In mice without nociceptors and diabetic mice with peripheral neuropathies, delivering an engineered version of CGRP accelerated wound healing and promoted muscle regeneration. Harnessing neuro-immune interactions holds potential to treat non-healing tissues where dysregulated neuro-immune interactions impair tissue healing.

2024-02-18 | GSE255049 | GEO

The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota.

Project description:The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota.

| PRJNA1063694 | ENA

The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota

Project description:The neuroimmune CGRP-RAMP1 axis tunes cutaneous adaptive immunity to the microbiota

| PRJNA1063739 | ENA

Anti-CGRP Monoclonal Antibodies Counteract Interoceptive Awareness of Malaise

Project description:Study of the expression profiles of brain regions (amygdala, hippocampus and cerebral cortex) and trigeminal ganglia collected from rats treated with fremanezumab, an anti-calcitonin gene related peptide (CGRP) mAb, used for the prevention of migraine.

2024-05-30 | E-MTAB-13507 | biostudies-arrayexpress

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