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The effect of S-nitrosocaptopril and S-nitroso-N-acetyl-D,L- penicillamine on blood glucose concentration and haemodynamic parameters
Sacha Campbell, Ruby Alexander-Lindo, Tara Dasgupta, Donovan McGrowder
Jazyk angličtina Země Česko
Typ dokumentu tabulky
NLK
Free Medical Journals
od 2003 do 2013
Freely Accessible Science Journals
od 2003 do 2013
ROAD: Directory of Open Access Scholarly Resources
od 2002
- MeSH
- experimenty na zvířatech statistika a číselné údaje MeSH
- hemodynamika účinky léků MeSH
- hyperglykemie krev metabolismus MeSH
- kaptopril analogy a deriváty diagnostické užití MeSH
- krevní glukóza izolace a purifikace účinky léků MeSH
- krevní tlak účinky léků MeSH
- omezení příjmu potravy MeSH
- postprandiální období účinky léků MeSH
- potkani Wistar krev metabolismus MeSH
- S-nitroso-N-acetylpenicilamin diagnostické užití MeSH
- S-nitrosothioly diagnostické užití MeSH
- statistika jako téma MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- tabulky MeSH
Studies have shown that S-nitrosothiols (RSNOs) are able to affect glucose metabolism and blood pressure in animal models. This paper describes an investigation into the effect of two RSNOs, S-nitrosocaptopril (CapSNO) and S-nitroso-N-acetyl-D,L-penicillamine (SNAP) on fasting and postprandial blood glucose concentration, and systolic and diastolic blood pressures. Rats administered intravenously with CapSNO and SNAP, using dosages of 2.0, 5.0 and 12.5 mg/kg BW, showed a dose-dependent hyperglycaemic effect. Intravenous administration of 12.5 mg/kg BW of CapSNO and SNAP caused a statistically significant increase in fasting blood glucose concentration compared to rats treated with the same dosage of captopril. SNAP-treated rats showed a significantly greater elevation of fasting (F2) blood glucose concentration (5.91 ± 0.27 mmol/l) compared to CapSNO-treated rats (5.11 ± 0.08 mmol/l. However there was no significant difference in postprandial blood glucose concentrations. SNAP, CapSNO and captopril significantly reduced both systolic and diastolic blood pressures. This was accompanied by an increase in heart rate. The anti-hypertensive property of CapSNO and SNAP was more significant than that of captopril. CapSNO was more potent than SNAP in reducing blood pressure, suggesting that CapSNO may act via a combined mechanism that involves ACE inhibition and NO release.
Citace poskytuje Crossref.org
Lit.: 38
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- $a Studies have shown that S-nitrosothiols (RSNOs) are able to affect glucose metabolism and blood pressure in animal models. This paper describes an investigation into the effect of two RSNOs, S-nitrosocaptopril (CapSNO) and S-nitroso-N-acetyl-D,L-penicillamine (SNAP) on fasting and postprandial blood glucose concentration, and systolic and diastolic blood pressures. Rats administered intravenously with CapSNO and SNAP, using dosages of 2.0, 5.0 and 12.5 mg/kg BW, showed a dose-dependent hyperglycaemic effect. Intravenous administration of 12.5 mg/kg BW of CapSNO and SNAP caused a statistically significant increase in fasting blood glucose concentration compared to rats treated with the same dosage of captopril. SNAP-treated rats showed a significantly greater elevation of fasting (F2) blood glucose concentration (5.91 ± 0.27 mmol/l) compared to CapSNO-treated rats (5.11 ± 0.08 mmol/l. However there was no significant difference in postprandial blood glucose concentrations. SNAP, CapSNO and captopril significantly reduced both systolic and diastolic blood pressures. This was accompanied by an increase in heart rate. The anti-hypertensive property of CapSNO and SNAP was more significant than that of captopril. CapSNO was more potent than SNAP in reducing blood pressure, suggesting that CapSNO may act via a combined mechanism that involves ACE inhibition and NO release.
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