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Ralph H. Johnson Veterans Affairs Medical Center

3 ARTICLES PUBLISHED IN JoVE

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Genetics

Expansion of Two-dimension Electrospun Nanofiber Mats into Three-dimension Scaffolds
Emily Keit 1, Shixuan Chen 1, Hongjun Wang 1, Jingwei Xie 1
1Department of Surgery-Transplant and Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center

This article demonstrates the technique of expanding a traditional, two-dimension (2D) electrospun nanofiber mat into a three-dimension (3D) scaffold through the depressurization of subcritical CO2 fluid. These augmented scaffolds are 3D, closely mimic cellular nanotopographic cues, and preserve the functions of biologic molecules encapsulated within the nanofibers.

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Medicine

A Mouse Model for Chronic Pancreatitis via Bile Duct TNBS Infusion
Wenyu Gou *1, Lindsay Swaby *1, A. Marissa Wolfe 2, William P. Lancaster 1,2, Katherine A. Morgan 1, Hongjun Wang 1,2
1Department of Surgery, Medical University of South Carolina, 2Ralph H. Johnson Veterans Affairs Medical Center

Chronic pancreatitis (CP) is a disease characterized by inflammation and fibrosis of the pancreas, often associated with intractable abdominal pain. This article focuses on refining the technique to generate a mouse model of CP via bile duct infusion with 2,4,6 -trinitrobenzene sulfonic acid (TNBS).

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Medicine

Minimizing Post-Infusion Portal Vein Bleeding during Intrahepatic Islet Transplantation in Mice
Wenyu Gou *1, Wanxing Cui *2, Yuki Cui 2, Hongjun Wang 1,3
1Department of Surgery, Medical University of South Carolina, 2Georgetown University, 3Ralph H. Johnson Veterans Affairs Medical Center

Here we present refined surgical procedures on successfully performing intraportal islet transplantation, a clinically relevant but technically challenging surgical procedure, in mice.

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