Related Experiment Video
Updated: Jun 1, 2026
Testing Targeted Therapies in Cancer using Structural DNA Alteration Analysis and Patient-Derived Xenografts
Published on: July 25, 2020
Chemotherapy of human alpha-fetoprotein-producing gastric carcinomas grown in nude mice
1YAMAGATA UNIV,SCH MED,DEPT PATHOL 2,YAMAGATA 99023,JAPAN.
Abstract:
We have examined the effects of chemotherapeutic drugs on tumor growth and metastasis of human alpha-fetoprotein-producing gastric carcinoma (AFPGC) xenografts growing in nude mice. These xenografts consisted of 3 hepatoid adenocarcinomas and 2 non-hepatoid, poorly differentiated adenocarcinomas. Mitomycin C and cisplatin inhibited the tumor growth and liver metastasis of hepatoid adenocarcinomas in nude mice. 5-fluorouracil also inhibited the growth of hepatoid adenocarcinomas but did not exhibit a significant antimetastatic action. Doxorubicin was effective only against non-hepatoid adenocarcinomas. These results indicate that chemotherapeutic drugs for AFPGC should be used according to the subtype of the tumor.
Insights
Chemotherapy effectiveness varies for alpha-fetoprotein-producing gastric carcinoma (AFPGC). Specific drugs target tumor subtypes, impacting growth and metastasis differently in hepatoid versus non-hepatoid AFPGC models.
Area of Science:
- Oncology
- Pharmacology
- Gastroenterology
Background:
- Alpha-fetoprotein-producing gastric carcinoma (AFPGC) is a rare subtype of gastric cancer.
- Understanding the differential response of AFPGC subtypes to chemotherapy is crucial for treatment optimization.
Purpose of the Study:
- To investigate the efficacy of common chemotherapeutic agents against different subtypes of human AFPGC xenografts.
- To determine the impact of these drugs on both primary tumor growth and metastatic spread, particularly to the liver.
Main Methods:
- Utilized human AFPGC xenografts (3 hepatoid, 2 non-hepatoid) in nude mouse models.
- Administered chemotherapeutic drugs including Mitomycin C, cisplatin, 5-fluorouracil, and doxorubicin.
- Monitored tumor growth and incidence of liver metastasis.
Main Results:
- Mitomycin C and cisplatin effectively inhibited tumor growth and liver metastasis in hepatoid AFPGC xenografts.
- 5-fluorouracil inhibited hepatoid AFPGC growth but showed limited antimetastatic effect.
- Doxorubicin demonstrated efficacy exclusively against non-hepatoid AFPGC xenografts.
Conclusions:
- Chemotherapeutic drug selection for AFPGC should be tailored to the specific tumor subtype (hepatoid vs. non-hepatoid).
- This subtype-specific efficacy highlights the need for personalized treatment strategies in AFPGC management.
