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Related Experiment Videos

[The basic and applied study on the epidermal growth factor].

B R Huang1, L W Cai, X Z Xiang

  • 1Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences, CAMS, PUMC, Beijing 100005, China. huangbr@public.bta.net.cn

Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
|August 9, 2003
PubMed
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This study details the development and successful clinical application of a novel recombinant Epidermal Growth Factor (EGF) eyedrop. This gene-engineered drug accelerates corneal healing and is the first of its kind from a yeast expression system in China.

Area of Science:

  • Biotechnology
  • Molecular Biology
  • Ophthalmology

Background:

  • Epidermal Growth Factor (EGF) plays a crucial role in cell growth and tissue repair.
  • Research into EGF and its receptor has led to the development of novel therapeutic agents.
  • Understanding EGF's biological functions is key to its therapeutic applications.

Purpose of the Study:

  • To review the development of a novel recombinant Epidermal Growth Factor (EGF) eyedrop.
  • To evaluate the efficacy and safety of EGF eyedrop in preclinical and clinical trials.
  • To highlight the significance of EGF in wound healing and potential therapeutic uses.

Main Methods:

  • Chemical synthesis of the EGF gene and construction of an expression vector.
  • Recombinant protein expression in yeast, purification, and characterization.

Related Experiment Videos

  • Preclinical animal studies and a multi-center, randomized, double-blind, placebo-controlled clinical trial.

    • Main Results:

    • Recombinant EGF (51 amino acids) demonstrated accelerated corneal epithelial cell growth and healing in alkali-burned corneas.
    • EGF eyedrop showed efficacy in treating corneal transplantation and nebulae, with no toxicological effects.
    • The drug, a Class I gene engineering product from yeast, received National Drug Administration approval.

    Conclusions:

    • Recombinant EGF eyedrop is a safe and effective novel therapeutic for accelerating corneal wound healing.
    • The development represents a significant advancement in gene engineering drugs derived from yeast expression systems.
    • EGF shows potential for treating various conditions including oral ulcers, skin burns, and duodenal ulcers.