While all features of the inflammatory response induced by IL-1 are not observed following IL-4 stimulation, suboptimal concentrations both cytokines result in synergistic VCAM-1 expression in HUVEC. We have shown that, while IL-1 stimulated HUVEC express GM-CSF, tissue factor and VCAM-1, only VCAM-1 is detectable after exposure to IL-4. While kB was found essential for both basal and IL-1-mediated activity of VCAM-1, IL-4 induction was kB-independent. Inducible kB-binding proteins were identified in IL-1-, but not IL-4-stimulated nuclear extracts. Our results indicate that IL-4 exerts its transcriptional effects on the VCAM-1 gene through element(s) which do not require kB.
机构:
Colorado State Univ, Coll Vet Med & Biomed Sci, Dept Microbiol Immunol & Pathol, Ft Collins, CO 80523 USAColorado State Univ, Coll Vet Med & Biomed Sci, Dept Microbiol Immunol & Pathol, Ft Collins, CO 80523 USA
Gregg, Abigail J.
Schenkel, Alan R.
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Colorado State Univ, Coll Vet Med & Biomed Sci, Dept Microbiol Immunol & Pathol, Ft Collins, CO 80523 USAColorado State Univ, Coll Vet Med & Biomed Sci, Dept Microbiol Immunol & Pathol, Ft Collins, CO 80523 USA
机构:
Natl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, JapanNatl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, Japan
Ishizuka, T
Takamizawa-Matsumoto, M
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Natl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, JapanNatl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, Japan
Takamizawa-Matsumoto, M
Suzuki, K
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Natl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, JapanNatl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, Japan
Suzuki, K
Kurita, A
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Natl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, JapanNatl Def Med Coll, Res Inst, Div Biomed Engn, Tokorozawa, Saitama 359, Japan
机构:
ASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPANASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPAN
Masuda, M
Osawa, M
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ASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPANASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPAN
Osawa, M
Shigematsu, H
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ASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPANASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPAN
Shigematsu, H
Harada, N
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ASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPANASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPAN
Harada, N
Fujiwara, K
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ASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPANASAHI CHEM IND CO LTD, LIFE SCI RES INST, CHEM LAB, FUJI, SHIZUOKA 416, JAPAN