Liu Song-xin, Li Zhi-man, Sha Zi-Jun, Xia Yun-shi, Zhao Li-juan, Ren Duo-duo, Sun Yin-shi
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Effect of velvet antler on the immune activity of cyclophosphamide-induced immunosuppressed mice
ABSTRACT To study the antioxidant and immune protection activity of velvet antler (VA) in cyclophosphamide-induced immunocompromised mice, BALB/c mice were intragastrically administered 100, 300, or 500 mg/(kg·d) VA for 30 days, and were intraabdominally injected with cyclophosphamide to create a hypoimmune murine model. Cellular immunity, macrophage phagocytic activity, natural killer (NK) cell activity, white blood cell count, splenic lymphocyte subsets and the mRNA expression levels of serum cytokines were analysed. We found that the IC50 for removing 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS), OH, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radicals of VA were 0.476, 4.33, and 37.92 mg/mL, respectively. VA could enhance innate and adaptive immunity of mice by improving cellular immunity, macrophage phagocytic ability, and NK cell activity; promoting the production of IL-4, IFN-γ, TNF-α and other cytokines; increasing the content and ratio of lymphocyte subsets. These results indicate that VA has good antioxidant activity and can improve the immune function of cyclophosphamide-induced immunodeficient mice.
期刊介绍:
Food and Agricultural Immunology is an international open access journal publishing original immunological research with applications in food, agricultural, environmental and veterinary science. Submissions describing the use of immunological techniques and methods are particularly welcomed.
The journal aims to expand our understanding of the interactions at the interface of food and immune systems including studies on:
-Development of diagnostic systems – all types of ligand-based assays, e.g. antibody, aptamer
-Application of ligand-based assays for the detection or identification of molecules of interest in food science, agricultural research, veterinary investigations and clinical systems relating to food allergy or sensitivity to agricultural chemicals
-Effects of food on the immune system
-Studies on allergy and allergic reactions
-Investigations into food allergies
-Development of allergen-free food systems
-Development of novel assay formats
-Applications of assay systems to the monitoring of food items in relation to safety and labelling
-Food quality issues, e.g. speciation, adulteration and contamination
-Comparisons between different analytical techniques
The journal publishes research and review articles and is essential reading for food scientists, immunologists and all those concerned with the interaction between food and immune systems.