Related Experiment Video
Updated: Jul 9, 2026

A Combined 3D Tissue Engineered In Vitro/In Silico Lung Tumor Model for Predicting Drug Effectiveness in Specific Mutational Backgrounds
Published on: April 6, 2016
EGFR inhibitor-mediated apoptosis in solid tumors.
Sanjay Goel1, Manuel Hidalgo, Roman Perez-Soler
1Montefiore Medical Center and Albert Einstein College of Medicine 1825 Eastchester Road, Bronx, NY 10461, USA. sgoel@montefiore.org
Epidermal growth factor receptor (EGFR) inhibition can overcome chemotherapy resistance by promoting cancer cell death. Targeting EGFR and enhancing apoptosis may lead to better combination cancer treatments.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Epidermal growth factor receptor (EGFR) is crucial in solid tumor development and progression.
- EGFR activation is increasingly linked to therapeutic resistance in cancer treatments.
- EGFR signaling influences cell survival pathways, including MAPK and PI3-K/Akt.
Purpose of the Study:
- To investigate the role of EGFR in mediating resistance to chemotherapy and radiation therapy.
- To explore how EGFR inhibition affects cancer cell apoptosis and survival pathways.
- To evaluate the potential of combining EGFR inhibition with other therapies to overcome treatment resistance.
Main Methods:
- Review of preclinical and clinical data on EGFR signaling in cancer.
- Analysis of EGFR's impact on mitogen-activated protein kinase (MAPK) and PI3-K/Akt pathways.
- Examination of Bcl-2 expression and activation in response to EGFR inhibition.
Main Results:
- EGFR inhibition down-modulates key survival pathways (MAPK, PI3-K/Akt).
- EGFR inhibition is associated with a shift towards apoptosis, indicated by Bcl-2 changes.
- Combined EGFR inhibition and apoptosis induction show promise in countering treatment resistance.
Conclusions:
- EGFR signaling plays a significant role in both tumor progression and therapeutic resistance.
- Suppressing EGFR may sensitize cancer cells to cytotoxic therapies by priming them for apoptosis.
- Further research into EGFR-modulated apoptotic pathways can guide the development of improved combination cancer regimens.
More Related Videos
08:35Therapeutic Gene Delivery and Transfection in Human Pancreatic Cancer Cells using Epidermal Growth Factor Receptor-targeted Gelatin Nanoparticles
Published on: January 4, 2012
09:38Establishing Dual Resistance to EGFR-TKI and MET-TKI in Lung Adenocarcinoma Cells In Vitro with a 2-step Dose-escalation Procedure
Published on: August 11, 2017
Related Concept Videos
Mitogens and the Cell Cycle
The Intrinsic Apoptotic Pathway
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Inhibition of Cdk Activity
The Extrinsic Apoptotic Pathway
Receptor Downregulation in MVBs
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR activation may...