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7701
[ "Here", "we", "show", "that", "fludarabine", ",", "but", "not", "the", "immunosuppressant", "cyclosporine", "A", ",", "inhibits", "the", "cytokine", "-induced", "activation", "of", "STAT1", "and", "STAT1", "-dependent", "gene", "transcription", "in", "normal", "resting", "or", "activated", "lymphocytes", "." ]
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7702
[ "Fludarabine", "caused", "a", "specific", "depletion", "of", "STAT1", "protein", "(", "and", "mRNA", ")", "but", "not", "of", "other", "STATs", "." ]
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7703
[ "This", "loss", "of", "STAT1", "was", "also", "seen", "in", "cells", "from", "patients", "treated", "with", "fludarabine", "in", "vivo", "." ]
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7704
[ "Brief", "exposure", "to", "fludarabine", "led", "to", "a", "sustained", "loss", "of", "STAT1", ",", "analogous", "to", "the", "prolonged", "period", "of", "immunosuppression", "induced", "by", "exposure", "to", "the", "drug", "in", "vivo", "." ]
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7705
[ "Thus", ",", "STAT1", "may", "be", "a", "useful", "target", "in", "the", "development", "of", "new", "immunosuppressive", "and", "antineoplastic", "agents", "." ]
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7706
[ "Studies", "into", "the", "effect", "of", "tyrosine", "phosphatase", "inhibitor", "phenylarsine", "oxide", "on", "NFkappaB", "activation", "in", "T", "lymphocytes", "during", "aging", ":", "evidence", "for", "altered", "IkappaB-alpha", "phosphorylation", "and", "degradation", "." ]
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7707
[ "Nuclear", "Factor", "kappa", "B", "(", "NFkappaB", ")", "is", "a", "critical", "regulator", "of", "several", "genes", "involved", "in", "immune", "and", "inflammatory", "responses", "." ]
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7708
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7709
[ "We", "demonstrate", "here", "that", "pretreatment", "with", "PAO", "results", "in", "the", "inhibition", "of", "NFkappaB", "induction", "in", "TNF-alpha", "treated", "T", "cells", ",", "suggesting", "a", "role", "for", "PAO-sensitive", "phosphatase", "in", "the", "activation", "of", "the", "NFkappaB", "via", "this", "pathway", "in", "human", "T", "cells", "." ]
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7710
[ "Furthermore", ",", "it", "demonstrates", "that", "aging", "does", "not", "influence", "the", "sensitivity", "of", "this", "phosphatase", "." ]
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7711
[ "Treatment", "with", "DMP", "prior", "to", "treatment", "with", "PAO", "and", "TNF", "abolishes", "the", "inhibition", "induced", "by", "PAO", ",", "in", "T", "cells", "from", "both", "young", "and", "old", "donors", ",", "alike", "." ]
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7712
[ "Finally", ",", "we", "demonstrate", "that", "a", "failure", "to", "degrade", "IkappaB-alpha", "in", "cytosols", "of", "TNF-treated", "T", "cells", "pretreated", "with", "PAO", "is", "due", "to", "its", "interference", "with", "the", "phosphorylation", "of", "IkappaB-alpha", "and", "not", "due", "to", "its", "inhibitory", "effect", "on", "proteasomal", "degradation", "." ]
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7713
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7714
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7715
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7716
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7718
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7719
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7720
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7721
[ "Furthermore", ",", "pre-B", "cell", "and", "plasma", "cell", "lines", "were", "Spi-C", "-negative", ",", "suggesting", "that", "Spi-C", "might", "be", "a", "regulatory", "molecule", "during", "a", "specific", "phase", "of", "B", "lymphoid", "development", "." ]
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7722
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7723
[ "In", "contrast", "to", "the", "negative", "autoregulation", "of", "glucocorticoid", "receptor", "(", "GR", ")", "expression", "seen", "in", "most", "cells", "and", "tissues", ",", "GR", "expression", "is", "positively", "autoregulated", "in", "human", "leukemic", "T", "cells", "and", "in", "other", "cells", "sensitive", "to", "glucocorticoid-induced", "cell", "death", "." ]
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7724
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7725
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7726
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7728
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7729
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7730
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7731
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7732
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7733
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7735
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7736
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7737
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7738
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7740
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7741
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7742
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[ "Copyright", "1999", "Academic", "Press", "." ]
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7751
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7752
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7753
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