Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Immunohistochemical staining of serial sections of normal human pancreas tissue (first column), dysplastic human pancreas tissue (middle column), and human pancreatic ductal adenocarcinoma (last column). Positive stain is in brown and indicated by black arrows. PSCs were visualized by the expression of markers α-SMA and vimentin and the absence of CD31. PSCs are indicated by red arrows.
