Urinary trypsin inhibitor reduces inflammatory response in kidney induced by Lipopolysaccharide

Human urinary trypsin inhibitor (UTI), a serine protease inhibitor, has been widely used in Japan as a drug for patients with acute inflammatory disorders such as septic shock and pancreatitis. Lipopolysaccharide (LPS) triggers the sepsis syndrome by activating monocytes to produce proinflammatory c...

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Veröffentlicht in:Journal of bioscience and bioengineering 2007-10, Vol.104 (4), p.315-320
Hauptverfasser: Ueki, Masaaki, Taie, Satoshi, Chujo, Kousuke, Asaga, Takehiko, Iwanaga, Yasuyuki, Ono, Junichiro, Maekawa, Nobuhiro
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container_end_page 320
container_issue 4
container_start_page 315
container_title Journal of bioscience and bioengineering
container_volume 104
creator Ueki, Masaaki
Taie, Satoshi
Chujo, Kousuke
Asaga, Takehiko
Iwanaga, Yasuyuki
Ono, Junichiro
Maekawa, Nobuhiro
description Human urinary trypsin inhibitor (UTI), a serine protease inhibitor, has been widely used in Japan as a drug for patients with acute inflammatory disorders such as septic shock and pancreatitis. Lipopolysaccharide (LPS) triggers the sepsis syndrome by activating monocytes to produce proinflammatory cytokines, including tumor necrosis factor alpha (TNFα), which potently stimulate the activation of neutrophils. The inhibitory mechanism of UTI on the systemic inflammatory response induced by the intraperitoneal injection of LPS in the kidney is unclear. This study was undertaken to examine the inhibitory effects of UTI on renal injury associated with the systemic inflammatory response induced by LPS stimulation, with emphasis on systemic TNFα and the activation of neutrophils in rat kidney. The systemic inflammatory response syndrome was induced by LPS treatment. Serum and renal TNFα, renal cytokine-induced neutrophil chemoattractant-1 (CINC-1) and myeloperoxidase (MPO) levels, as well as renal function after LPS stimulation, were evaluated. UTI (50,000 U/kg) inhibited LPS-induced increases in the serum and renal tissue levels of TNFα, as well as the renal tissue levels of CINC-1 and MPO after LPS stimulation. UTI (50,000 U/kg) also inhibited the production of serum TNFα associated with the systemic inflammatory response syndrome induced by LPS stimulation, thereby attenuating neutrophil infiltration into renal tissues and subsequent neutrophil-mediated renal injury. These findings may have important implications in understanding the biologic functions of UTI. UTI may prove useful in protecting against acute renal injury associated with a systemic inflammatory response.
doi_str_mv 10.1263/jbb.104.315
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subjects acute renal dysfunction
Animals
Anti-Inflammatory Agents - administration & dosage
Biological and medical sciences
Biotechnology
cytokine-induced neutrophil chemoattractant-1 (CINC-1)
Cytokines - immunology
Dose-Response Relationship, Drug
Fundamental and applied biological sciences. Psychology
Glycoproteins - administration & dosage
INFLAMACION
INFLAMMATION
INHIBIDORES DE TRIPSINA
INHIBITEUR DE TRYPSINE
Kidney - drug effects
Kidney - immunology
KIDNEYS
LIPOPOLISACARIDOS
LIPOPOLYSACCHARIDE
LIPOPOLYSACCHARIDES
Male
Nephritis - chemically induced
Nephritis - immunology
Nephritis - prevention & control
neutrophil
ORINA
Rats
Rats, Wistar
REIN
RINONES
TRYPSIN INHIBITORS
tumor necrosis factor alpha
urinary trypsin inhibitor
URINE
title Urinary trypsin inhibitor reduces inflammatory response in kidney induced by Lipopolysaccharide
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