Rosmarinic acid protects against cyclophosphamide-induced hepatotoxicity via inhibition of oxidative stress, inflammation, and apoptosis and upregulation of Nrf2 in mice
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Abstract
Cyclophosphamide (CP) is widely used in chemotherapy to treat various types of cancer. However, it is toxic to the liver and other organs. Rosmarinic acid (RA) possesses anti-inflammatory, antioxidant, and cytoprotective properties. This study investigated the protective effects of RA against CP-induced liver injury in mice. Mice were treated with RA (25, 50, and 100 mg/kg) for 15 days and followed by a single injection of CP on day 16th. CP injection resulted in an elevation in serum AST, ALT, and ALP, along with multiple histopathological alterations in the liver. CP also induced increased levels of MDA and NO, associated with declined GSH, SOD and CAT. RA pretreatment prevented liver injury, alleviated the enhanced levels of MDA and NO, and restored antioxidants defenses, hence avoiding the oxidative injury in the liver. Moreover, RA pretreatment attenuated NF-κB p65 and proinflammatory cytokines levels. Liver of CP-injected mice also showed a decrease in Bcl2, accompanied with elevated BAX and caspase-3 expression, an effect that RA pretreatment alleviated. In addition, pretreatment of CP-administrated mice with RA restored the Nrf2 expression in the liver. Taken together, this study suggests a potential application value of RA in preventing CP hepatotoxicity and sheds light on the possible mechanism.
Graphical abstract
Schematic diagram summarizing the hepatoprotective role of RA in a mouse model of CP hepatotoxicity. RA restored cellular redox status, suppressed inflammatory response, mitigated apoptosis, and upregulated Nrf2 pathway in the liver of CP-injected mice. CP cyclophosphamide, RA rosmarinic acid
期刊介绍：
The Journal of Molecular Histology publishes results of original research on the localization and expression of molecules in animal cells, tissues and organs. Coverage includes studies describing novel cellular or ultrastructural distributions of molecules which provide insight into biochemical or physiological function, development, histologic structure and disease processes.
Major research themes of particular interest include:
- Cell-Cell and Cell-Matrix Interactions;
- Connective Tissues;
- Development and Disease;
- Neuroscience.
Please note that the Journal of Molecular Histology does not consider manuscripts dealing with the application of immunological or other probes on non-standard laboratory animal models unless the results are clearly of significant and general biological importance.
The Journal of Molecular Histology publishes full-length original research papers, review articles, short communications and letters to the editors. All manuscripts are typically reviewed by two independent referees. The Journal of Molecular Histology is a continuation of The Histochemical Journal.
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