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ST36 acupuncture ameliorates immune cell proliferation and polarization by inhibiting sympathetic activity in rheumatoid arthritis

ABSTRACT: To investigate the upstream mechanism of anti-inflammatory effects of ST36 acupuncture, including regulatory mechanism on T cell proliferation and polarization in peripheral immune organs, and whether peripheral sympathetic innervation in immune organs mediates the autoimmune response modulation by acupuncture.

ORGANISM(S): Mus musculus

PROVIDER: GSE267630 | GEO | 2024/07/12

REPOSITORIES: GEO

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ST36 acupuncture ameliorates immune cell proliferation and polarization by inhibiting sympathetic activity in rheumatoid arthritis

Project description:ST36 acupuncture ameliorates immune cell proliferation and polarization by inhibiting sympathetic activity in rheumatoid arthritis

| PRJNA1112165 | ENA

T cells and adipocyte IL-17RC control fat innervation and thermogenesis

Project description:The sympathetic nervous system innervates peripheral organs to regulate their function and maintain homeostasis, whereas target cells also produce neurotrophic factors to promote sympathetic innervation1,2. The molecular basis of this bi-directional communication is unknown. Here we use thermogenic adipose tissue from mice as a model system to show that T cells, specifically T cells, have a crucial role in promoting sympathetic innervation, at least in part by driving the expression of TGF1 in parenchymal cells via the IL-17 receptor complex (IL-17RC). Ablation of IL-17RC specifically in adipose tissue reduces expression of TGF1 in adipocytes, impairs local sympathetic innervation and causes obesity and other metabolic phenotypes that are consistent with defective thermogenesis; innervation can be fully rescued by restoring TGF1 expression. Ablating cells and the IL-17RC signalling pathway also impairs sympathetic innervation in salivary glands and the lungs. These findings demonstrate coordination between T cells and parenchymal cells to regulate sympathetic innervation.

2020-03-02 | PXD017424 | Pride

gdT cells and adipocyte IL-17RC control fat innervation and thermogenesis

Project description:The sympathetic nervous system innervates peripheral organs to regulate their function and maintain homeostasis, whereas target cells also produce neurotrophic factors to promote sympathetic innervation. The molecular basis of this bi-directional communication remains to be fully elucidated. We use thermogenic adipose tissue as a model system to show that T cells, specifically gdT cells, play a critical role in promoting sympathetic innervation, at least in part through driving TGFβ1 expression in parenchymal cells via IL-17 Receptor C. Adipose-specific ablation of IL-17 Receptor C reduces TGFβ1 expression in adipocytes, impairs local sympathetic innervation and causes obesity and other metabolic phenotypes consistent with defective thermogenesis; innervation can be fully rescued by restoring TGFβ1 expression. Ablating gdT cells and the IL-17 Receptor C signaling pathway also impairs sympathetic innervation in salivary glands and the lung. These findings demonstrate T cell/parenchymal cell coordination to regulate sympathetic innervation.

2020-02-28 | GSE144255 | GEO

Organ-specific Sympathetic Innervation Defines Visceral Functions

Project description:Organ-specific Sympathetic Innervation Defines Visceral Functions

| PRJNA1167307 | ENA

Sympathetic nerves regulate intestinal regeneration through IL22 signaling

Project description:The intestine is a barrier tissue whose epithelium has high intrinsic turnover rate; intestinal stem cells, in response to signals from the niche, self-renew and produce progeny that differentiate to fulfill the continuous demand for new epithelial cells that are continuously shed into the lumen. The intestine is innervated by a dense network of peripheral nerves that controls nutrient absorption, intestinal motility, and visceral pain sensation. However, the roles of neurons in regulating epithelial cell homeostasis or regeneration remain as yet undiscovered. Here we investigate the effects of gut-innervating sympathetic neurons on epithelial cell repair following irradiation (IR)-induced gut injury. We observed that sympathetic innervation density in the gut increases post IR, while chemical sympathetic denervation impairs gut regeneration. Combining single cell RNA-sequencing and in vivo experiments, we discovered that sympathetic neurons regulate gut regeneration through modulation of IL22 production in type 3 innate lymphoid cells (ILC3) downstream of 2-adrenergic receptor signaling. These results define a novel neuroimmune axis important for intestinal regeneration.

2023-08-18 | GSE214821 | GEO

Islet Sympathetic Innervation and Islet Neuropathology in Patients with Type 1 Diabetes

Project description:Dysregulation of glucagon secretion in type 1 diabetes (T1D) involves hypersecretion during postprandial states, but insufficient secretion during hypoglycemia. The sympathetic nervous system regulates glucagon secretion. To investigate islet sympathetic innervation in T1D, sympathetic tyrosine hydroxylase (TH) axons were analyzed in control non-diabetic organ donors, non-diabetic islet autoantibody-positive individuals (AAb), and age-matched persons with T1D. Islet TH axon numbers and density were significantly decreased in AAb compared to T1D with no significant differences observed in exocrine TH axon volume or lengths between groups. TH axons were in close approximation to islet α-cells in T1D individuals with long-standing diabetes. Islet RNA-sequencing and qRT-PCR analyses identified significant alterations in noradrenalin degradation, α-adrenergic signaling, cardiac b-adrenergic signaling, catecholamine biosynthesis, and additional neuropathology pathways. The close approximation of TH axons at islet α-cells supports a model for sympathetic efferent neurons directly regulating glucagon secretion. Sympathetic islet innervation and intrinsic adrenergic signaling pathways could be novel targets for improving glucagon secretion in T1D.

2021-08-09 | GSE181674 | GEO

Regulatory function of sympathetic innervation on the endo/lysosomal trafficking of acetylcholine receptor

Project description:Regulation of membrane receptors involves management of endocytosis. At the neuromuscular junction, the synapse between skeletal muscle and motoneuron, proper density of the major receptor, the acetylcholine receptor, is of utmost importance for sustaining life in context of mobility. Recent work has revealed innervation of NMJs by sympathetic neurons and destruction of them had morphological and functional consequences, suggesting influence on endocytosis. To investigate the pathways and proteins that are relevant for acetylcholine receptor turnover and affected by sympathetic signaling, proteomes of mouse hindlimb muscles from sympathectomized and saline-treated control muscles were compared. Using proteomic, Western blot, and immunofluorescence analysis in chemically sympathectomized mouse hindlimb muscles, the cause of these consequences were aimed to analyzed. This revealed extensive regulation of the proteome by the sympathetic nervous system and a possible regulatory function of the endo/lysosomal and autophagic pathway by sympathetic neuronal input. This finding might provide a new explanation to the observed benefit of sympathicomimetic treatment in several congenital myasthenic syndromes.

2021-03-01 | PXD021601 | Pride

Gene expression data from cervical spinal cord regions of MPTP-intoxicated mouse by acupuncture

Project description:It has been shown that acupuncture at acupoints GB34 and LR3 inhibits the degeneration of nigrostriatal neurons in an 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of Parkinsonâ??s disease. This preventative effect of peripheral acupuncture stimulation is hypothesized to be transmitted through the spinal cord to the nigrostriatal neurons. The gene expression profile changes following acupuncture at the acupoints were investigated in the cervical spinal cord of an MPTP-induced parkinsonism model using an Affymetrix genechip mouse gene 1.0 ST array. C57BL/6 mice were divided into four experimental groups; â? C: Control, â?¡ M: MPTP-treatment only, â?¢ MA: MPTP- and acupuncture-treatment at acupoints GB34 and LR3, â?£ MNA: MPTP- and acupuncture-treatment at non-acupoints. Total RNA was isolated from the cervical spinal cord regions of each experimental group (4 experimental group Ã? 2 samples of each experimental group = total 8 samples).

2010-10-23 | E-GEOD-24830 | biostudies-arrayexpress

Rheumatoid Arthritis Rat Model Treated with Acupuncture

Project description:Rheumatoid Arthritis Rat Model Treated with Acupuncture

| PRJNA252672 | ENA

Organ-specific Sympathetic Innervation Defines Visceral Functions

Project description:We performed single-cell RNA-seq (10x Chromium 3' v.3.1) on dissociated single cell suspensions from mouse (C57BL/6) celiac and superior mesenteric sympathetic ganglia to determine transcriptomic cell types. We identified sympathetic neuron types that specifically innervate unique combinations of visceral organs and control physiological functions.

2024-10-02 | GSE278457 | GEO

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