2015
DOI: 10.1371/journal.pone.0120492
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Cardiac Contractility Structure-Activity Relationship and Ligand-Receptor Interactions; the Discovery Of Unique and Novel Molecular Switches in Myosuppressin Signaling

Abstract: Peptidergic signaling regulates cardiac contractility; thus, identifying molecular switches, ligand-receptor contacts, and antagonists aids in exploring the underlying mechanisms to influence health. Myosuppressin (MS), a decapeptide, diminishes cardiac contractility and gut motility. Myosuppressin binds to G protein-coupled receptor (GPCR) proteins. Two Drosophila melanogaster myosuppressin receptors (DrmMS-Rs) exist; however, no mechanism underlying MS-R activation is reported. We predicted DrmMS-Rs containe… Show more

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Cited by 15 publications
(16 citation statements)
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References 30 publications
(150 reference statements)
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“…MS was also detected in triatomines in these two modified forms 19 , 20 , 47 ; this fact could indicate that both forms have a physiological role, or that a stable intermediate form is being detected by tandem mass spectrometry. Until now, the reported functional analysis with RhoprMS has been performed using the synthetic pyroglutamated peptide 48 50 ; bioassays using the non-pyroglutamated MSs would be necessary in order to clarify this point.…”
Section: Resultsmentioning
confidence: 99%
“…MS was also detected in triatomines in these two modified forms 19 , 20 , 47 ; this fact could indicate that both forms have a physiological role, or that a stable intermediate form is being detected by tandem mass spectrometry. Until now, the reported functional analysis with RhoprMS has been performed using the synthetic pyroglutamated peptide 48 50 ; bioassays using the non-pyroglutamated MSs would be necessary in order to clarify this point.…”
Section: Resultsmentioning
confidence: 99%
“…Con respecto a los neuropéptidos, se han reportado numerosos ensayos funcionales exitosos que podrían derivar en compuestos con actividad insecticida, aunque todos ellos están en fase experimental. Han sido testeados neuropéptidos osmoreguladores como la kinina, reguladores de crecimiento, o incluso reguladores de la actividad miotrópica como la hormona miosupresina (Lange, Orchard et al 1995;Nachman, Olender et al 1996;Kostyukovsky, Chen et al 2000;Kaczmarek, Williams et al 2007;Nachman, Kaczmarek et al 2012;Suman, Brey et al 2013;Suman, Wang et al 2013;Leander, Bass et al 2015;Zels, Dillen et al 2015;Sterkel, Riccillo et al 2010).…”
Section: El Sistema Neuroendócrino De Insectos Como Fuente Potencial unclassified
“…A modo de ejemplo, en el trabajo realizado sobre el receptor de miosupresina en D. melanogaster y R. prolixus (Leander, Bass et al 2015), en el cual hemos participado como autores, se estudió el efecto de este péptido y una serie de análogos sobre la reducción de la tasa de contracción de la aorta e intestino. Se analizó en ambos insectos, una serie de análogos de la miosupresina con un número variable de aminoácidos faltantes en la región N-terminal.…”
Section: El Sistema Neuroendócrino De Insectos Como Fuente Potencial unclassified
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