chitosan treatment abrogates hypercholesterolemia-induced erythrocyte’s arginase activation
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ID: 199698
2017
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Abstract
This study aimed to evaluate the protective effect of chitosan (CS) against hypercholesterolemia (HC) induced arginase activation and disruption of nitric oxide (NO) biosynthesis using erythrocytes as cellular model. Human erythrocytes were isolated and classified into eight groups. Next, cells were treated with l-arginine (l-ARG), Nω-nitro-l-arginine methyl ester (l-NAME), CS or CS + l-ARG in the presence of normal plasma or cholesterol enriches plasma. Then, erythrocytes were incubated at 37 °C for 24 h. The present results revealed that, HC induced significant increase of cholesterol inclusion into erythrocytes membrane compared to control. Moreover, HC caused significant decrease in nitric oxide synthase (NOS) activity similar to l-NAME; however, arginase activity and arginase/NOS ratio significantly increased compared to control. On contrast, treatment of HC with, l-arginine, CS or CS plus l-arginine prevents HC induced cholesterol loading into erythrocytes membrane, NOS inhibition and arginase activation. This study suggested that CS could be protective agent against HC induced disruption of erythrocyte’s oxidative status and arginase activation.
| Reference Key |
harisa2017saudichitosan
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|---|---|
| Authors | ;Gamaleldin I. Harisa;Sabry M. Attia;Khairy M.A. Zoheir;Fars K. Alanazi |
| Journal | International journal for quality in health care : journal of the International Society for Quality in Health Care |
| Year | 2017 |
| DOI |
10.1016/j.jsps.2016.05.007
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