Related Experiment Videos
[Recent progress in experimental pituitary tumors in various animals]
1Fourth Department of Internal Medicine, Saitama Medical School.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|October 1, 1993
Summary
This study reviews experimental pituitary tumors in animals. Key findings include hyperplasia from estrogen and calcitonin, and various tumors in transgenic mice models.
Area of Science:
- Endocrinology
- Oncology
- Animal Models
Context:
- Spontaneous pituitary tumors are common in certain rat strains.
- Estrogen treatment leads to pituitary hyperplasia, not tumors.
- Salmon calcitonin induces pituitary hyperplasia or non-functioning adenomas.
Purpose:
- To summarize recent advancements in experimental pituitary tumor research.
- To discuss findings from various animal models, including transgenic mice.
- To provide an overview of induced pituitary pathologies.
Summary:
- Estrogen and salmon calcitonin cause pituitary hyperplasia or non-functioning adenomas in experimental animals.
- Transgenic mice models exhibit pituitary hyperplasia or adenomas, including GH-producing, ACTH-producing, and those mimicking Multiple Endocrine Neoplasia type II.
- Choleratoxin transgene induces gigantism, and PyLT facilitates ACTH-producing pituitary tumor generation.
Impact:
- Informs understanding of pituitary tumor development and hormonal regulation.
- Highlights the utility of transgenic animal models for studying pituitary diseases.
- Provides insights into potential therapeutic targets for pituitary disorders.