Grafting of stomach tissue into the duodenum in F344 rats results in chimeric crypts and tumor development.

Abstract:

:Gastric tissue was transplanted from the fundic and pyloric mucosa of 8-week old female F344 rats into the duodenum of males. Autopsy, 12 months after the operation, revealed grafts associated with persistent stones in the duodenum and/or calcification in the tissue. Pepsinogen positive chimeric glands with goblet cells also appeared in the grafts which gave rise to tumors in 18 out of 45 animals (40%). In conclusion, stomach grafts re-differentiate into intestine with goblet cells in the duodenum and this process predisposes to tumor development.

journal_name

J Exp Clin Cancer Res

authors

Watanabe H,Ando Y,Uesaka T,Ishimura Y,Shiraki K,Lu H,Ohara M,Shoji S,Katoh O

keywords:

subject

Has Abstract

pub_date

2000-06-01 00:00:00

pages

207-10

issue

2

eissn

0392-9078

issn

1756-9966

journal_volume

19

pub_type

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