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Updated: Feb 16, 2026
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Yeast As a Chassis for Developing Functional Assays to Study Human P53
Published on: August 4, 2019
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The IGF-p53 connection in cancer
1Division of Endocrinology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
Summary
Tumorigenesis arises from disrupted cellular balance. This review explores how insulin-like growth factor (IGF) signaling and p53 influence tumor development and progression.
Area of Science:
- Cellular biology
- Molecular oncology
- Cancer research
Background:
- Healthy tissue growth requires a balance between cell proliferation, cell cycle arrest, and apoptosis.
- Disruptions in this balance, due to oncogene activation or tumor suppressor gene inactivation, can lead to cancer.
- Apoptosis inhibition is a key factor in promoting tumorigenesis.
Purpose of the Study:
- To review the role of insulin-like growth factor (IGF) signaling in tumor development.
- To examine the regulatory function of the transcription factor p53 in this process.
- To highlight the contribution of IGF signaling and p53 to cancer progression.
Main Methods:
- Literature review of existing research on IGF signaling and p53.
- Analysis of evidence linking these pathways to tumorigenesis.
- Synthesis of data on the interplay between IGF, p53, and cancer progression.
Main Results:
- Insulin-like growth factor (IGF) signaling is implicated in promoting cell proliferation and inhibiting apoptosis, key events in tumor growth.
- The transcription factor p53 plays a critical role in regulating cellular responses to stress, including apoptosis induction and cell cycle arrest.
- Dysregulation of the IGF pathway and p53 function is frequently observed in various cancers, contributing to tumor development and progression.
Conclusions:
- The intricate relationship between IGF signaling and p53 is crucial for maintaining cellular homeostasis.
- Aberrant IGF signaling and compromised p53 function significantly contribute to the initiation and advancement of cancer.
- Targeting the IGF pathway and understanding p53's role may offer therapeutic strategies for cancer treatment.
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