ArticleBritish journal of pharmacology2005
Developing skeletal muscle cells express functional muscarinic acetylcholine receptors coupled to different intracellular signaling systems.
Article in British journal of pharmacology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 22 citations in OpenAlex.
- Activity-dependent muscarinic signalling regulates presynaptic PKC pathway and neurotransmission machinery at the neuromuscular junction.Cell communication and signaling : CCS · 2025Article
- Molecular Adaptations of BDNF/NT-4 Neurotrophic and Muscarinic Pathways in Ageing Neuromuscular Synapses.International journal of molecular sciences · 2024Article
- Aberrant evoked calcium signaling and nAChR cluster morphology in aFrontiers in cell and developmental biology · 2024Article
- Differential Fibrotic Response of Muscle Fibroblasts, Myoblasts, and Myotubes to Cholic and Deoxycholic Acids.Advances in experimental medicine and biology · 2023Article
- Boron nitride nanotube-mediated stimulation of cell co-culture on micro-engineered hydrogels.PloS one · 2013Article
- Skeletal muscle IP3R1 receptors amplify physiological and pathological synaptic calcium signals.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2011Article
- Distinct muscarinic acetylcholine receptor subtypes contribute to stability and growth, but not compensatory plasticity, of neuromuscular synapses.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2009Article
- Skeletal muscle expresses the extracellular cyclic AMP-adenosine pathway.British journal of pharmacology · 2008Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study analyzed the expression of muscarinic acetylcholine receptors (mAChRs) in the rat cultured skeletal muscle cells and their coupling to G protein, phospholipase C and adenylyl cyclase (AC). Our results showed the presence of a homogeneous population of [(3)H]methyl-quinuclidinyl benzilate-binding sites in the membrane fraction from the rat cultured muscle (K(D) = 0.4 nM, B(max) = 8.9 fmol mg protein(-1)). Specific muscarinic binding sites were also detected in denervated diaphragm muscles from adult rats and in myoblasts isolated from newborn rats. Activation of mAChRs with carbachol induced specific [(35)S]GTPgammaS binding to cultured muscle membranes and potentiated the forskolin-dependent stimulation of AC. These effects were totally inhibited by 0.1-1 microM atropine. In addition, mAChRs were able to stimulate generation of diacylglycerol (DAG) in response to acetylcholine, carbachol or selective mAChR agonist oxotremorine-M. The carbachol-dependent increase in DAG was inhibited in a concentration-dependent manner by mAChR antagonists atropine, pirenzepine and 4-DAMP mustard. Finally, activation of these receptors was correlated with increased synthesis of acetylcholinesterase, via a PKC-dependent pathway. Taken together, these results indicate that expression of mAChRs, coupled to G protein and distinct intracellular signaling systems, is a characteristic of noninnervated skeletal muscle cells and may be responsible for trophic influences of acetylcholine during formation of the neuromuscular synapse.
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