Search results for " tachykinins"

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Altered tachykinergic influence on gastric mechanical activity in mdx mice

2006

Abstract This study investigated whether alterationsin gastric activity in dystrophic mdx mouse can beattributed to dysfunctions of tachykinins. Endolumi-nal pressure was recorded and the expression ofneuronal nitric oxide synthase (nNOS), NK1 and NK2neurokinin receptors was investigated by immunoh-istochemistry. SR48968, NK2 receptor antagonist, butnot SR140333, NK1 receptor antagonist, decreased thetone only in mdx gastric preparations. In the presenceof N x -nitro- L -arginine methyl ester ( L -NAME), inhib-itor of NOS, SR48968 reduced the tone also in normalstomach. [Sar 9 , Met(O 2 ) 11 ]-SP, agonist of NK1 recep-tors, caused tetrodotoxin-sensitive relaxations, antag-onized by SR140333…

MaleAgonistQuinuclidinesmedicine.medical_specialtymdx mouseManometryPhysiologymedicine.drug_classNitric Oxide Synthase Type ISettore BIO/09 - FisiologiaNitric oxideMicechemistry.chemical_compoundimmunohistochemistry mdx mouse nitric oxide stomach tachykininsOrgan Culture TechniquesNeurokinin-1 Receptor AntagonistsPiperidinesTachykininsInternal medicinemedicineAnimalsEnzyme InhibitorsReceptorbiologyEndocrine and Autonomic SystemsStomachStomachGastroenterologyAntagonistMuscle SmoothReceptors Neurokinin-2Receptors Neurokinin-1musculoskeletal systemImmunohistochemistryMuscular Dystrophy DuchenneNitric oxide synthaseDisease Models AnimalNG-Nitroarginine Methyl Estermedicine.anatomical_structureEndocrinologychemistryMuscle TonusBenzamidesMice Inbred mdxbiology.proteinNK1 receptor antagonistGastrointestinal MotilityMuscle Contraction
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