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Related Experiment Video

Updated: Mar 15, 2026

Establishment and Characterization of Three Afatinib-resistant Lung Adenocarcinoma PC-9 Cell Lines Developed with Increasing Doses of Afatinib
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EGF receptor ligands: recent advances.

Bhuminder Singh1, Graham Carpenter2, Robert J Coffey3

  • 1Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.

F1000Research
|September 17, 2016
PubMed
Summary
This summary is machine-generated.

Seven ligands activate the epidermal growth factor receptor (EGFR). High-affinity ligands (EGF, TGFA, HBEGF, BTC) and low-affinity ligands (AREG, EREG, EPGN) have distinct biological actions and interactions with EGFR.

Keywords:
AmphireguinBetacellulinEGFREpiregulinHBEGFTransforming growth factor-alphaepidermal growth factorepigen

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Deciphering the Structural Effects of Activating EGFR Somatic Mutations with Molecular Dynamics Simulation
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Area of Science:

  • Molecular and Cellular Biology
  • Receptor Signaling
  • Biochemistry

Background:

  • The epidermal growth factor receptor (EGFR) is a key regulator of cell growth and differentiation.
  • Seven distinct ligands, including EGF, TGFA, HBEGF, BTC, AREG, EREG, and EPGN, are known to bind and activate EGFR.
  • Ligands are categorized by affinity: high-affinity (EGF, TGFA, HBEGF, BTC) and low-affinity (AREG, EREG, EPGN).

Purpose of the Study:

  • To review recent studies on the individual actions of EGFR ligands.
  • To highlight novel biological insights into EGFR ligand activity.
  • To discuss recent advances in understanding ligand interactions with EGFR.

Main Methods:

  • Literature review of recent scientific studies.
  • Analysis of published data on EGFR ligand binding and activation.
  • Synthesis of information on ligand-specific biological effects.

Main Results:

  • Recent research has elucidated unique biological functions for each of the seven EGFR ligands.
  • High-affinity ligands (EGF, TGFA, HBEGF, BTC) exhibit potent signaling, while low-affinity ligands (AREG, EREG, EPGN) mediate distinct cellular responses.
  • New understanding has emerged regarding the complex interplay between ligands and the EGFR.

Conclusions:

  • The seven EGFR ligands, despite activating the same receptor, possess diverse biological activities.
  • Understanding these ligand-specific actions and interactions is crucial for deciphering EGFR-mediated cellular processes.
  • Continued research into EGFR ligand biology promises further insights into development and disease.