Effect of bee pollen extract on activation of dendritic cells and induction of Th1 immune response

꿀벌 꽃가루 열수 추출물의 수지상 세포 활성화 및 Th1 반응에 미치는 효과

  • Cho, Eun-Ji (Department of Food Science and Technology, Kongju National University) ;
  • Kim, Yi-Eun (Department of Food Science and Technology, Kongju National University) ;
  • Byun, Eui-Hong (Department of Food Science and Technology, Kongju National University)
  • 조은지 (공주대학교 식품공학과) ;
  • 김이은 (공주대학교 식품공학과) ;
  • 변의홍 (공주대학교 식품공학과)
  • Received : 2018.05.16
  • Accepted : 2018.07.11
  • Published : 2018.08.31


Dendritic cells (DCs) are potent antigen-presenting cells that play a pivotal role in modulating both innate and adaptive immunity. This study examined the immunomodulatory activities of hot-water extracts of bee pollen (BPW) in bone-marrow derived DCs (BMDC) and mice splenocytes. BMDCs isolated from mice were treated with 250 and $500{\mu}g/mL$ BPW for 24 h. BPW, up to $500{\mu}g/mL$, did not display any cellular toxicity against BMDCs. In fact, it functionally induced BMDC activation via augmentation of CD80, CD86, and major histocompatibility complex (MHC) class I/II expression and pro-inflammatory cytokine (tumor necrosis factor; $TNF-{\alpha}$, interleukin; IL-6, and $IL-1{\beta}$) production. Interestingly, BPW treatment significantly increased the production of interferon $(IFN)-{\gamma}$ in splenocytes, suggesting its possible contribution to Th1 polarization in immune response. Taken together, these findings suggest that BPW may regulate innate and adaptive immunity via DC activation and Th1 polarization in immune responses.


bee pollen;dendritic cells;splenocyte;immunomodulatory activity;cytokine production


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