Evaluation of the Effect of the ۴۷ kDa Protein Isolated from Aged Garlic Extract on Dendritic Cells

Publish Year: 1391
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_IJBMS-15-2_008

تاریخ نمایه سازی: 3 آبان 1400

Abstract:

Objective(s)  Garlic (Allium sativum) is known as a potent spice and a medicine with broad therapeutic properties ranging from antibacterial to anticancer, and anticoagulant. One of the major purified garlic protein components is the ۴۷ kDa protein. In this study, the effect of ۴۷ kDa protein extracted from aged garlic (AGE) was evaluated on mouse dendritic cell (DC) maturation in vitro. Materials and Methods Forty seven kDa protein was purified from AGE by ammonium sulfate precipitation and gel filtration. SDS-PAGE was used to determine the molecular weight and purity of the isolated protein. DCs were purified from spleen of BALB/c mice by Nycodenz centrifugation and their adhesiveness to the plastic dish. The ۴۷ kDa protein isolated from AGE was added to DCs medium during the overnight culture and the expression of DC surface markers was assessed via flowcytometry. Results The ۴۷ kDa protein-treated DCs lowered the expression of DC maturation markers including: CD۴۰, CD۸۶ and MHC-II in comparison with non-treated DCs; (median of ۴۱% versus ۴۷%, ۸۴% versus ۹۱% and ۸۳% versus ۹۰%, respectively) but we observed no statistical difference between the two groups. Conclusion Upon treatment with DCs with ۴۷ kDa protein, DCs down regulated the expression of costimulatory and MHC-II surface molecules, which is similar to tolerogenic DC phenotype. According to the results of the present study, we found that ۴۷ kDa protein purified from AGE can be considered as a potential candidate to generate tolerogenic DCs in vitro.  

Authors

Hasan Namdar Ahmadabad

Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran

Mohammad Hassan Zuhair

Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran

Elahe Safari

Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran

Mahmood Bozorgmehr

Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran

Seyed Mohammad Moazzeni

Department of Immunology, School of Medicine, Tarbiat Modares University, Tehran, Iran

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