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Catheterization of the gallbladder: A novel mouse model of severe acute cholangitis
Jian-Hua Yu1, Hai-Jun Tang1, Wei-Guang Zhang1
1Jian-Hua Yu, Hai-Jun Tang, Zhi-Yang Zhu, Xin-Xian Ruan, Bao-Chun Lu, Department of Hepatobiliary Surgery, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing 312000, Zhejiang Province, China.
Aim:
To establish a severe acute cholangitis (SAC) model in mice.
Methods:
Cholecystic catheterization was performed under the condition of bile duct ligation (BDL). Trans-cholecystic injection of lipopolysaccharide (LPS) was defined as the SAC animal model. Sham operation group, intraperitoneal injection of LPS without BDL group, intraperitoneal injection of LPS with BDL group and trans-cholecystic injection of normal saline with BDL group were defined as control groups. The survival rates and tissue injuries in liver, lungs and kidney were evaluated.
Results:
Mice in the SAC group showed a time-dependent mortality and much more severe tissue injuries in liver, lungs and kidney, compared with other groups. However, relieving biliary obstruction could effectively reduce mortality and attenuate liver injury in the SAC mouse model.
Conclusion:
Trans-cholecystic injection of LPS under the condition of biliary obstruction could establish a repeatable and reversible mouse model of SAC.
