Table 1

Expression of p8 protein in various types of pancreatic tissues and cells

Pancreatic tissuesStaining gradeOverexpression rate %Pa
0123
Pancreatic cancer (n = 38)29151271.1 (27/38)<0.05
Metastasis of pancreatic cancer
Liver (n = 5)014080.0 (4/5)<0.02
Lymph node (n = 7)07000ns
MC (n = 6)15000ns
CP (n = 18)5103016.7 (3/18)ns
NP (n = 10)82000
  • a The percentage of the p8-positive cells per 1000 cells was calculated. The p8 immunostaining was graded according to the p8-positive percentage as follows: 0, 0%; 1, >0 and <25%; 2, 25–50%; 3, >50%. The p8 was considered to be overexpressed when the staining grade was 2 or 3.