Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology · 2022
Nootkatone Ameliorates Doxorubicin Induced Myocardial Injury through Modulation of NF-κB Signals and Oxidative Stress.
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Al-Salam Suhail, Kandhan Karthishwaran, Sudhadevi Manjusha, Tariq Saeed
Аннотация
BACKGROUND/AIMS: Doxorubicin (DOXO) is a potent chemotherapeutic drug that is used in the treatment of a large number of cancers. Despite its important chemotherapeutic characteristics, its usage is limited because of the serious side effects; the most noticeable is cardiotoxicity which can manifest acutely or years after completion of treatment leading to left ventricular dysfunction, dilated cardiomyopathy and heart failure. Nootkatone (NK) is a recognized bioactive compound isolated from the heartwood of Cupressus nootkatensis and has been reported to have antiseptic, antioxidant, and anti-allergic activities.
METHODS: Male C57B6/J mice were used for mice model of DOXO-cardiac toxicity. Mice were given either DOXO or NK or DOXO+NK or vehicle (normal saline) after which the mice again had free access to food and water. Heart and plasma samples were collected 5 days after DOXO administration and were used for immunohistochemistry, electron microscopy and enzyme linked immunosorbent assay (ELISA).
RESULTS: There were significant reduction in inflammatory markers in hearts of DOXO-NK- treated mice when compared with DOXO-treated mice. Moreover, there were significant increase in antioxidant proteins and reduction of oxidative stress in hearts of DOXO-NK-treated mice when compared with DOXO-treated mice. There was a significant reduction in myocardial damage as shown by significant reduction of troponin I in DOXO-NK- treated mice when compared with DOXO-treated mice.
CONCLUSION: Nootkatone improves DOXO-induced myocardial injury through modulation of NF-κB signals and reduction of oxidative stress.
METHODS: Male C57B6/J mice were used for mice model of DOXO-cardiac toxicity. Mice were given either DOXO or NK or DOXO+NK or vehicle (normal saline) after which the mice again had free access to food and water. Heart and plasma samples were collected 5 days after DOXO administration and were used for immunohistochemistry, electron microscopy and enzyme linked immunosorbent assay (ELISA).
RESULTS: There were significant reduction in inflammatory markers in hearts of DOXO-NK- treated mice when compared with DOXO-treated mice. Moreover, there were significant increase in antioxidant proteins and reduction of oxidative stress in hearts of DOXO-NK-treated mice when compared with DOXO-treated mice. There was a significant reduction in myocardial damage as shown by significant reduction of troponin I in DOXO-NK- treated mice when compared with DOXO-treated mice.
CONCLUSION: Nootkatone improves DOXO-induced myocardial injury through modulation of NF-κB signals and reduction of oxidative stress.