ArticleAmerican journal of physiology. Gastrointestinal and liver physiology2014
Nitrergic neuromuscular transmission in the mouse internal anal sphincter is accomplished by multiple pathways and postjunctional effector cells.
Article in American journal of physiology. Gastrointestinal and liver physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 29 citations in OpenAlex.
- Immunohistochemical characterization of interstitial cells and their spatial relationship to motor neurons within the mouse esophagus.Cell and tissue research · 2025Article
- 3D spheroids versus 2D-cultured human adipose stem cells to generate smooth muscle cells in an internal anal sphincter-targeting cryoinjured mouse model.Stem cell research & therapy · 2024Article
- Modulation of intracellular calcium activity in interstitial cells of Cajal by inhibitory neural pathways within the internal anal sphincter.American journal of physiology. Gastrointestinal and liver physiology · 2024Article
- Immunohistochemical characterization of interstitial cells and their relationship to motor neurons within the mouse esophagus.Research square · 2024Article
- CaPhysiological reviews · 2024Review
- Transcriptome and Proteome Profiling of Primary Human Gastric Interstitial Cells of Cajal Predicts Pacemaker Networks.Journal of neurogastroenterology and motility · 2023Article
- CaThe Journal of physiology · 2022Article
- Propulsive colonic contractions are mediated by inhibition-driven poststimulus responses that originate in interstitial cells of Cajal.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Nitric Oxide: From Gastric Motility to Gastric Dysmotility.International journal of molecular sciences · 2021Review
- Oscillating calcium signals in smooth muscle cells underlie the persistent basal tone of internal anal sphincter.Journal of cellular physiology · 2021Article
- Excitatory cholinergic responses in mouse colon intramuscular interstitial cells of Cajal are due to enhanced CaFASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2020Article
- A novel intramuscular Interstitial Cell of Cajal is a candidate for generating pacemaker activity in the mouse internal anal sphincter.Scientific reports · 2020Article
- CaThe Journal of physiology · 2019Article
- Control of Motility in the Internal Anal Sphincter.Journal of neurogastroenterology and motility · 2019Article
- Nitric oxide and its role as a non-adrenergic, non-cholinergic inhibitory neurotransmitter in the gastrointestinal tract.British journal of pharmacology · 2019Review
- Comparison of inhibitory neuromuscular transmission in the Cynomolgus monkey IAS and rectum: special emphasis on differences in purinergic transmission.The Journal of physiology · 2018Article
- Interstitial cell network volume is reduced in the terminal bowel of ageing mice.Journal of cellular and molecular medicine · 2018Article
- Changes in murine anorectum signaling across the life course.Neurogastroenterology and motility · 2018Article
- Inhibitory Neural Regulation of the CaFrontiers in physiology · 2018Article
- Loss of nitric oxide-mediated inhibition of purine neurotransmitter release in the colon in the absence of interstitial cells of Cajal.American journal of physiology. Gastrointestinal and liver physiology · 2017Article
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6 authors at 1 institution in 1 country.
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Abstract
The effector cells and second messengers participating in nitrergic neuromuscular transmission (NMT) were investigated in the mouse internal anal sphincter (IAS). Protein expression of guanylate cyclase (GCα, GCβ) and cyclic GMP-dependent protein kinase I (cGKI) were examined in cryostat sections with dual-labeling immunohistochemical techniques in PDGFRα(+) cells, interstitial cells of Cajal (ICC), and smooth muscle cells (SMC). Gene expression levels were determined with quantitative PCR of dispersed cells from Pdgfrα(egfp/+), Kit(copGFP/+), and smMHC(Cre-egfp) mice sorted with FACS. The relative gene and protein expression levels of GCα and GCβ were PDGFRα(+) cells > ICC ≫ SMC. In contrast, cGKI gene expression sequence was SMC = ICC > PDGFRα(+) cells whereas cGKI protein expression sequence was neurons > SMC ≫ ICC = PDGFRα(+) cells. The functional role of cGKI was investigated in cGKI(-/-) mice. Relaxation with 8-bromo (8-Br)-cGMP was greatly reduced in cGKI(-/-) mice whereas responses to sodium nitroprusside (SNP) were partially reduced and forskolin responses were unchanged. A nitrergic relaxation occurred with nerve stimulation (NS, 5 Hz, 60 s) in cGKI(+/+) and cGKI(-/-) mice although there was a small reduction in the cGKI(-/-) mouse. N(ω)-nitro-l-arginine (l-NNA) abolished responses during the first 20-30 s of NS in both animals. The GC inhibitor ODQ greatly reduced or abolished SNP and nitrergic NS responses in both animals. These data confirm an essential role for GC in NO-induced relaxation in the IAS. However, the expression of GC and cGKI by all three cell types suggests that each may participate in coordinating muscular responses to NO. The persistence of nitrergic NMT in the cGKI(-/-) mouse suggests the presence of a significant GC-dependent, cGKI-independent pathway.
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