Journal
SAINS MALAYSIANA
Volume 50, Issue 6, Pages 1745-1754Publisher
UNIV KEBANGSAAN MALAYSIA
DOI: 10.17576/jsm-2021-5006-20
Keywords
Asymmetric dimethylarginine; bee products; blood; nuclear factor-kappa B; oxidative stress; paraoxanase; rat
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Funding
- Nigde Omer Halisdemir University (Turkey) Research Fund [BAP 2012/38]
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The study showed that bee products such as propolis, CAPE, and pollen have potential in reducing blood pressure and improving biochemical changes in hypertensive rats. These products may help regulate oxidative stress and maintain homeostasis in hypertensive conditions induced by L-NAME.
Hypertension is a chronic disease affecting the whole world due to its clinical effects and complications. The reduction in the release and effect of NO is one of the mechanisms of hypertension formation. Hypertension disrupts the balance between oxidant and antioxidant mechanisms. In this study, we aimed to observe biochemical changes in the blood by treatment propolis, caffeic acid phenethyl ester (CAPE) and pollen in hypertensive rats via Nco-Nitro-L-arginine methyl ester (L-NAME). Rats were divided in five groups. Rats were given L-NAME (40 mg/kg, intraperitoneally) for 14 days to make hypertensive. L-NAME and bee products were administered together with rats for 14 days, then L-NAME for 14 days. All administrated ended 28 days. There was a statistically significant (P<0.05) decrease in blood pressure (BP) in the groups in which bee products were applied. Blood pressure was lower in the pollen treated group than in the CAPE and propolis treated group (P<0.05). Paraoxanase (PON1), total antioxidant status (TAS), total oxidant status (TOS), asymmetric dimethylarginine (ADMA), nuclear factor-kappa B (NF-kappa B) levels were measured in the blood samples in all groups. In the L-NAME group; PON1, TAS, HDL, and total protein levels were found to be lower than the groups applied bee products (P<0.05). TOS, oxidative stress index (OSI), ADMA, NF-kappa B, glucose, cholesterol, LDL, friglyceride, ALT, AST, ALP levels were found to be lower in groups plus of bee products were applied compared to the group that received L-NAME (P<0.05). The results showed that oxidative stress and homeostasis can be regulated with propolis, CAPE and pollen in hypertensive rats induced L-NAME.
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