Hepatocyte growth factor effects on motility of stone-diseased and stone-free human gallbladders

Sänger, Philip; Kleinichen, Julia; Meiners, Stefan; Hanisch, Ernst; Sänger, P; Kleinichen, J; Meiners, S; Hanisch, E
October 1999
Journal of Gastroenterology;1999, Vol. 34 Issue 5, p619
Academic Journal
journal article
Hepatocyte growth factor (HGF) has unique morphogenic activity for several cell types. Besides its major effect upon liver regeneration, its motogenic activity to enhance motility has not been verified for smooth muscles. Therefore we evaluated the impact of HGF in an in-vitro model of human gallbladder motility. Twelve stone-diseased and eight stone-free muscle strips were preincubated with HGF (100 ng/ml, 200 ng/ml). For the analysis of motility, cholecystokinin (CCK) was added (0.1 nM, 0.5 nM, 2 nM, 10 nM, and 100 nM). Twelve stone-diseased and eight stone-free strips without HGF incubation served as the control group. The tone of healthy (tone/100 nM CCK: control group, 12.4 +/- 3.6 mN; HGF group, 19.5 +/- 4.5 mN) and stone-diseased (tone/100 nM CCK: control group, 10.8 +/- 3.8 mN; HGF group, 17.3 +/- 4.8 mN) muscle strips, preincubated with HGF, was increased, with a higher sensitivity to CCK. Our results suggest that there is a clear motogenic response of stone-diseased human gallbladders to HGF.


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