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Antibody-modified conduits for highly selective cytokine elimination from blood
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DOI：10.1172/jci.insight.121133.png)
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Abstract
En 中文
Cytokines play an important role in dysregulated immune responses to infection, pancreatitis, ischemia/reperfusion injury, burns, hemorrhage, cardiopulmonary bypass, trauma, and many other diseases. Moreover, the imbalance between inflammatory and antiinflammatory cytokines can have deleterious effects. Here, we demonstrated highly selective blood-filtering devices - antibody-modified conduits (AMCs) - that selectively eliminate multiple specific deleterious cytokines in vitro. AMCs functionalized with antibodies against human vascular endothelial growth factor A or tumor necrosis factor a (TNF-alpha) selectively eliminated the target cytokines from human blood in vitro and maintained them in reduced states even in the face of ongoing infusion at supraphysiologic rates. We characterized the variables that determine AMC performance, using anti-human TNF-alpha AMCs to eliminate recombinant human TNF-alpha. Finally, we demonstrated selective cytokine elimination in vivo by filtering interleukin 1 beta from rats with lipopolysaccharide-induced hypercytokinemia.
Keywords:
TUMOR-NECROSIS-FACTOR
CRITICALLY-ILL PATIENTS
INTERLEUKIN-1 RECEPTOR ANTAGONIST
RENAL-REPLACEMENT THERAPY
SHORT-TERM SURVIVAL
SEVERE SEPSIS
SEPTIC SHOCK
INFLAMMATORY-RESPONSE
MONOCLONAL-ANTIBODY
DOUBLE-BLIND
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