MONITORING SERUM TRYPTIC ACTIVITY AND EFFECT OF TRYPSIN-INHIBITOR ON RAT ACUTE-PANCREATITIS

被引:7
作者
SOBAJIMA, H [1 ]
HAYAKAWA, T [1 ]
KONDO, T [1 ]
SHIBATA, T [1 ]
KITAGAWA, M [1 ]
SAKAI, Y [1 ]
ISHIGURO, H [1 ]
TANIKAWA, M [1 ]
NAKAE, Y [1 ]
机构
[1] NAGOYA UNIV, SCH MED, DEPT INTERNAL MED 2, SHOWA KU, NAGOYA 466, JAPAN
关键词
EXPERIMENTAL PANCREATITIS; SURVIVAL RATE; TRYPSIN INHIBITOR; SYNTHETIC; ALPHA(2)-MACROGLOBULIN TRYPSIN COMPLEX;
D O I
10.1159/000201131
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
The effect of a novel synthetic trypsin inhibitor, 4-(2-succinimidoethylthio)-phenyl 4-guanidinobenzoate methanesulfonate (E3123), on severe acute pancreatitis was studied in trypsin-taurocholate-induced acute experimental pancreatitis in rats. Rats were divided into four groups according to difference of subdivided doses of E3123 with fixing the total dose at 3 mg/kg body weight. Group A: 1.5 mg/kg of E3123 subcutaneously (SC) each at 1 h before and after induction of pancreatitis. Group B: 1 mg/kg SC each at 1 h before, 1 and 3 h after induction. Group C: 1.5 mg/kg SC each at 1 and 3 h after induction. Group D: 1.5 mg/kg SC each at 3 and 5 h after induction of pancreatitis. The survival rate at 24 h was significantly improved in group B (77% in group B, vs. 36% in paired control; p < 0.01) and in group C (70 vs. 38%; p < 0.05), but not in group A or D. Residual tryptic activity of serum alpha(2)-macroglobulin trypsin complex (alpha 2M-TRY) was reduced after the injection of E3123 though immunoreactive trypsin remained unchanged in the early phase of pancreatitis. The reduction of alpha 2M-TRY reflected the inhibitory capacity of E3123 in plasma. E3123 showed favorable effects on the initial stage of severe acute pancreatitis and the effects were probably based on the inhibition of alpha 2M-TRY activity in serum.
引用
收藏
页码:90 / 96
页数:7
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