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Abstract Title:

The immune-enhancing effect of anthocyanin-fucoidan nanocomplex in RAW264.7 macrophages and cyclophosphamide-induced immunosuppressed mice.

Abstract Source:

J Food Biochem. 2021 Feb 2:e13631. Epub 2021 Feb 2. PMID: 33528053

Abstract Author(s):

Na-Ra Han, Hyeong-Jin Kim, Jin Soo Lee, Hee-Yun Kim, Phil-Dong Moon, Hyung-Min Kim, Hyun-Ja Jeong

Article Affiliation:

Na-Ra Han

Abstract:

Aronia, a healthy fruit well known as black chokeberry, has health-promoting effects on hypertension, oxidative stress, and diabetes. Despite many reports of bioactivities of aronia, there is little scientific research on the potential for immune-enhancement. So, anthocyanin-fucoidan nanocomplex (AFNC, a nanocomplex of aronia extract and fucoidan) has been developed to improve immune-enhancement. This study aimed to identify immunomodulatory effects and underlying mechanisms of AFNC using RAW264.7 macrophages and cyclophosphamide-induced immunosuppressed mice. As a result, AFNC-treated RAW264.7 macrophages elevated the production of IL-2, IL-6, tumor necrosis factor (TNF)-α, and nitric oxide (NO). AFNC-enhanced inducible NO synthase expression via nuclear factor-κB signaling pathways. AFNC dose-dependently increased levels of IL-2, IL-6, TNF-α, IL-10, IL-12, interferon-γ, or IL-4 in the serum and spleen of immunosuppressed mice. Taken together, AFNC encourages the immune-enhancing activity through immunostimulatory cytokine production by activation of macrophage. Therefore, these results suggest that AFNC is useful for immunodeficiency-related disorders. PRACTICAL APPLICATIONS: In these days of prevalence of infectious diseases, individual immunity is veryimportant. AFNC has the immune-enhancing effects through immunostimulatory cytokine production by activation of macrophage. Therefore, AFNC could be widely applied to ameliorate a variety of diseases caused by immunosuppression such as infectious diseases.

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