RRC ID 44078
著者 Suzuki J, Hamada E, Shodai T, Kamoshida G, Kudo S, Itoh S, Koike J, Nagata K, Irimura T, Tsuji T.
タイトル Cytokine secretion from human monocytes potentiated by P-selectin-mediated cell adhesion.
ジャーナル Int Arch Allergy Immunol
Abstract BACKGROUND/AIM:P-selectin is a carbohydrate-recognizing cell adhesion molecule expressed on activated platelets and endothelial cells. It plays a crucial role in the recruitment of leukocytes to inflammatory and hemorrhagic sites. Cell adhesion mediated by P-selectin induces leukocyte activation, such as the generation of reactive oxygen species and the expression of blood coagulation factors. We assessed how P-selectin-mediated cell adhesion affects cytokine secretion from monocytes.
METHODS:Human peripheral blood monocytes were cultured in a plate that had been coated with P-selectin purified from human platelets, and cytokines released in the culture supernatant from monocytes were determined by ELISA.
RESULTS:The secretion of tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, IL-8, IL-12 and macrophage inflammatory protein-1β increased 3- to 10-fold in response to P-selectin compared with unstimulated monocytes. We next examined the effects of cytokine treatment of monocytes on their susceptibility to P-selectin. The secretion of TNF-α from monocytes in response to P-selectin was increased when monocytes were preincubated with granulocyte/macrophage colony-stimulating factor, monocyte chemotactic protein-1 or interferon-γ (IFN-γ); IFN-γ was the most effective in potentiating TNF-α secretion from monocytes.
CONCLUSION:These results suggest that the interaction of monocytes with P-selectin plays an important role not only in their trafficking but also in the regulation of cytokine production by these cells.
巻・号 160(2)
ページ 152-60
公開日 2013-1-1
DOI 10.1159/000339857
PII 000339857
PMID 23018521
MeSH Cell Adhesion Cytokines / metabolism* Humans Monocytes / cytology* Monocytes / immunology Monocytes / metabolism* P-Selectin / metabolism*
IF 2.917
引用数 18
WOS 分野 ALLERGY IMMUNOLOGY
リソース情報
ヒト・動物細胞