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Keywords: noradrenaline
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Journal Articles
J Exp Biol (2020) 223 (7): jeb194282.
Published: 1 April 2020
...Thomas Roeder ABSTRACT Octopamine (OA) and tyramine (TA) are closely related biogenic monoamines that act as signalling compounds in invertebrates, where they fulfil the roles played by adrenaline and noradrenaline in vertebrates. Just like adrenaline and noradrenaline, OA and TA are extremely...
Journal Articles
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Cardiology articles
J Exp Biol (2017) 220 (3): 336–340.
Published: 1 February 2017
... rate is associated with decreased stroke volume, leaving cardiac output unchanged. We explored the capacity of noradrenaline to overcome autoregulation in the anaconda heart. Electrically pacing in situ perfused hearts from the intrinsic heart rate to the maximum attainable resulted in a proportional...
Journal Articles
J Exp Biol (2008) 211 (10): 1565–1570.
Published: 15 May 2008
.... The effect of cumulative addition of serotonin (5-HT,10 –10 –3×10 –6 mol l –1 ) and endothelin-1 (ET-1,10 –10 –10 –7 mol l –1 )on relaxed vessels were studied. Furthermore, effects of noradrenaline (NA,10 –10 –10 –5 mol l –1 )on relaxed vessels and on vessels preconstricted with ET-1(10 –8 mol l –1...
Journal Articles
J Exp Biol (2005) 208 (12): 2217–2225.
Published: 15 June 2005
...Johannes C. F. van Heeswijk; Gerjanne J. Vianen; Guido E. E. J. M. van den Thillart; Johan Zaagsma SUMMARY In several water-breathing fish species, β-adrenergic receptor stimulation by noradrenaline leads to a decrease in plasma free fatty acid(FFA) levels, as opposed to an increase in air...
Journal Articles
J Exp Biol (2005) 208 (12): 2421–2431.
Published: 15 June 2005
.... * Author for correspondence (e-mail: sfperry@science.uottawa.ca ) 11 4 2005 © The Company of Biologists Limited 2005 2005 adrenaline noradrenaline catecholamine nitric oxide synthase stress chromaffin cell rainbow trout Oncorhynchus mykiss In teleost fish...
Journal Articles
J Exp Biol (2003) 206 (23): 4247–4253.
Published: 1 December 2003
... a significant difference from the secretion rate after 10 min; a double dagger represents a significant difference from the control (saline-perfused) group. Fig. 2 illustrates the levels of stored catecholamines in several tissues. The catecholamine(adrenaline plus noradrenaline) concentration...
Journal Articles
J Exp Biol (2003) 206 (11): 1917–1927.
Published: 1 June 2003
...) to localise VPAC receptors in the chromaffin cell fraction of the posterior cardinal vein (PCV) of trout and (2) to test the hypothesis that the selective secretion of adrenaline elicited by VIP could be explained by the absence of the VPAC receptors from the noradrenaline-containing cells. Fluorescent...
Journal Articles
J Exp Biol (2001) 204 (23): 4169–4176.
Published: 1 December 2001
... release during acute hypoxia during periods of nicotinic receptor desensitisation.Despite nicotinic receptor desensitisation induced by intravenous infusion of nicotine (1.3×10 –5 mol kg –1 h –1 ), plasma catecholamine levels were increased to levels (adrenaline plus noradrenaline 125–200 nmol l –1...
Journal Articles
J Exp Biol (1992) 168 (1): 161–175.
Published: 1 July 1992
...SUSANNE HOLMGREN; MICHAEL AXELSSON; ANTHONY P. FARRELL The effects of adrenaline, noradrenaline, substance P and vasoactive intestinal polypeptide (VIP) on dorsal aortic blood pressure, coeliac artery blood flow and heart rate were studied in unrestrained dogfish, Squalus acanthias . Changes...
Journal Articles
J Exp Biol (1991) 157 (1): 287–298.
Published: 1 May 1991
... by vagotomy and partly inhibited by injections of atropine or porcine vasoactive intestinal polypeptide (VIP). Substance P and VIP both increased the rate of secretion in atropinized fish, while 5-hydroxytryptamine (5-HT) and noradrenaline did not affect the rate of filling in either control or atropinized...
Journal Articles
J Exp Biol (1991) 155 (1): 549–566.
Published: 1 January 1991
...), 7.3kPa (55 mmHg) or 5.3 kPa (40 mmHg)], whereas noradrenaline levels did not increase significantly in these particular experiments in which P W WO WO2 was lowered gradually over a 30 min period. All subsequent experiments were performed using a more rapid induction of hypoxia to reach a final P W WO WO2...