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Repurposing mechanistic insight of PDE-5 inhibitor in cancer chemoprevention through mitochondrial-oxidative stress intervention and blockade of DuCLOX signalling
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Repurposing mechanistic insight of PDE-5 inhibitor in cancer chemoprevention through mitochondrial-oxidative stress intervention and blockade of DuCLOX signalling
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Repurposing mechanistic insight of PDE-5 inhibitor in cancer chemoprevention through mitochondrial-oxidative stress intervention and blockade of DuCLOX signalling
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Journal Article
Repurposing mechanistic insight of PDE-5 inhibitor in cancer chemoprevention through mitochondrial-oxidative stress intervention and blockade of DuCLOX signalling
2019
Overview
Background
This study evaluates the anti-cancer effects of Tadalafil (potent PDE-5 inhibitor) in female albino wistar rats against n-methyl n-nitrosourea induced mammary gland carcinogenesis.
Methods
The animals were selected and randomly divided among four groups and each group contains six animals per group. The animal tissue and serum samples were evaluated for the presence of antioxidant parameters and the cellular morphology was studied using carminic staining, haematoxylin staining and scanning electron microscopy followed by immunoblotting analysis.
Results
On the grounds of hemodynamic recordings and morphology, n-methyl n-nitrosourea treated group showed distorted changes along with distorted morphological parameters. For morphological analysis, the mammary gland tissues were evaluated using scanning electron microscopy, whole mount carmine staining, haematoxylin and eosin staining. The serum samples were evaluated for the evaluation of oxidative stress markers and inflammatory markers. The level of caspase 3 and 8 were also evaluated for the estimation of apoptosis. The fatty acid profiling of mammary gland tissue was evaluated using fatty acid methyl esters formation. The mitochondrial mediated apoptosis and inflammatory markers were evaluated using immunoblotting assay.
Conclusion
The results confirm that Tadalafil treatment restored all the biological markers to the normal and its involvement in mitochondrial mediated death apoptosis pathway along with inhibition of inflammatory markers.
Publisher
BioMed Central,BioMed Central Ltd,BMC
Subject
/ Biomedical and Life Sciences
/ Cancer
/ DuCLOX
/ Esters
/ Female
/ Health Promotion and Disease Prevention
/ Inflammation Mediators - blood
/ Mammary Neoplasms, Experimental - chemically induced
/ Mammary Neoplasms, Experimental - metabolism
/ Mammary Neoplasms, Experimental - pathology
/ Mammary Neoplasms, Experimental - prevention & control
/ Methylnitrosourea - adverse effects
/ Methylnitrosourea - pharmacology
/ Oncology
/ Oxidative Stress - drug effects
/ Phosphodiesterase 5 Inhibitors - therapeutic use
/ Prostaglandin-Endoperoxide Synthases - metabolism
/ Rats
/ Reactive Oxygen Species - metabolism
