scholarly journals Role of soluble guanylate cyclase in progressive renal fibrosis

2005 ◽  
Vol 5 (Suppl 1) ◽  
pp. S32
Author(s):  
Harm Peters
Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3418
Author(s):  
Grzegorz Grześk ◽  
Alicja Nowaczyk

For years, guanylate cyclase seemed to be homogenic and tissue nonspecific enzyme; however, in the last few years, in light of preclinical and clinical trials, it became an interesting target for pharmacological intervention. There are several possible options leading to an increase in cyclic guanosine monophosphate concentrations. The first one is related to the uses of analogues of natriuretic peptides. The second is related to increasing levels of natriuretic peptides by the inhibition of degradation. The third leads to an increase in cyclic guanosine monophosphate concentration by the inhibition of its degradation by the inhibition of phosphodiesterase type 5. The last option involves increasing the concentration of cyclic guanosine monophosphate by the additional direct activation of soluble guanylate cyclase. Treatment based on the modulation of guanylate cyclase function is one of the most promising technologies in pharmacology. Pharmacological intervention is stable, effective and safe. Especially interesting is the role of stimulators and activators of soluble guanylate cyclase, which are able to increase the enzymatic activity to generate cyclic guanosine monophosphate independently of nitric oxide. Moreover, most of these agents are effective in chronic treatment in heart failure patients and pulmonary hypertension, and have potential to be a first line option.


Nitric Oxide ◽  
2006 ◽  
Vol 15 (1) ◽  
pp. 77-86 ◽  
Author(s):  
Daniela Dal Secco ◽  
Ana P. Moreira ◽  
Andressa Freitas ◽  
João S. Silva ◽  
Marcos A. Rossi ◽  
...  

2005 ◽  
Vol 5 (Suppl 1) ◽  
pp. P56
Author(s):  
Gwen Vanneste ◽  
Ingeborg Dhaese ◽  
Patrice Sips ◽  
Emmanuel Buys ◽  
Peter Brouckaert ◽  
...  

2010 ◽  
Vol 98 (3) ◽  
pp. 552a
Author(s):  
Ion A. Hobai ◽  
Eric Weiss ◽  
Antonis Armoundas ◽  
Emmanuel Buys ◽  
Peter Brouckaert ◽  
...  

2010 ◽  
Vol 138 (5) ◽  
pp. S-726-S-727
Author(s):  
Antoniella S. Gomes ◽  
Samara J. Lima ◽  
Gemima G. Gadelha ◽  
André Luiz R. Barbosa ◽  
Jand Venes R. Medeiros ◽  
...  

2012 ◽  
Vol 302 (6) ◽  
pp. H1347-H1354 ◽  
Author(s):  
Fadi N. Salloum ◽  
Anindita Das ◽  
Arun Samidurai ◽  
Nicholas N. Hoke ◽  
Vinh Q. Chau ◽  
...  

Cinaciguat (BAY 58–2667) is a novel nitric oxide (NO)-independent activator of soluble guanylate cyclase (sGC), which induces cGMP-generation and vasodilation in diseased vessels. We tested the hypothesis that cinaciguat might trigger protection against ischemia/reperfusion (I/R) in the heart and adult cardiomyocytes through cGMP/protein kinase G (PKG)-dependent generation of hydrogen sulfide (H2S). Adult New Zealand White rabbits were pretreated with 1 or 10 μg/kg cinaciguat (iv) or 10% DMSO (vehicle) 15 min before I/R or with 10 μg/kg cinaciguat (iv) at reperfusion. Additionally, adult male ICR mice were treated with either cinaciguat (10 μg/kg ip) or vehicle 30 min before I/R or at the onset of reperfusion (10 μg/kg iv). The PKG inhibitor KT5283 (KT; 1 mg/kg ip) or dl-propargylglycine (PAG; 50 mg/kg ip) the inhibitor of the H2S-producing enzyme cystathionine-γ-lyase (CSE) were given 10 and 30 min before cinaciguat. Cardiac function and infarct size were assessed by echocardiography and tetrazolium staining, respectively. Primary adult mouse cardiomyocytes were isolated and treated with cinaciguat before simulated ischemia/reoxygenation. Cinaciguat caused 63 and 41% reduction of infarct size when given before I/R and at reperfusion in rabbits, respectively. In mice, cinaciguat pretreatment caused a more robust 80% reduction in infarct size vs. 63% reduction when given at reperfusion and preserved cardiac function following I/R, which were blocked by KT and PAG. Cinaciguat also caused an increase in myocardial PKG activity and CSE expression. In cardiomyocytes, cinaciguat (50 nM) reduced necrosis and apoptosis and increased H2S levels, which was abrogated by KT. Cinaciguat is a novel molecule to induce H2S generation and a powerful protection against I/R injury in heart.


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