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Abstract Title:

Dietary supplementation with purified wheat germ glycoprotein improve immunostimulatory activity in cyclophosphamide induced Balb/c mice.

Abstract Source:

Int J Biol Macromol. 2018 Oct 15 ;118(Pt A):1267-1275. Epub 2018 Jul 4. PMID: 29981325

Abstract Author(s):

Liyuan Yun, Tao Wu, Qian Li, Min Zhang

Article Affiliation:

Liyuan Yun

Abstract:

Wheat germ has been reported to possess critical biological activities. However, the molecular mechanisms are not fully illuminated. In this work, the immunostimulating activity of a newly purified wheat germ glycoprotein (WGPII) was investigated in immunosuppressed Balb/c mice. Subsequently, WGPII increased the indices of spleen and thymus. Histopathological analysis indicated the protective function of WGPII against cyclophosphamide (CTX) induced immunosuppression. It also showed that WGPII could strengthen macrophage phagocytosis capacity, and NK cell activity. Following, flow cytometry was used to investigate spleen T lymphocyte subpopulations, real-time polymerase chain reaction (RT-PCR) was used to investigate spleen secreted cytokines, and western blot was used to analysis the receptor protein and protein kinase. These results indicated that WGPII could enhance CD4+ and CD8+ splenic T lymphocytes, inflammatory cytokines (IL-β, IL-6, IL-12, TNF-α mRNA), receptor protein (TLR2, TLR4) and protein kinase (IRAK4, TRAF6, TAK1, p38-MAPK, pho-p38-MAPK, NF-κB p65, and nucleu-NF-κB p65) production. This study suggests that WGPII, used as a dietary supplement, could be considered a good candidate to improve immune functions.

Study Type : Animal Study

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