Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Antioxidants regulate normal human keratinocyte differentiation.

Richard L Eckert1, James F Crish, Tatiana Efimova

  • 1Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, 2109 Adelbert Road, Cleveland, OH 44106-4970, USA. rle2@po.cwru.edu

Biochemical Pharmacology
|August 18, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

p38β/MAPK11 Deficiency Exacerbates Cardiac Structural and Electrophysiological Remodeling and Contributes to Immune Dysregulation in the Aging Heart.

bioRxiv : the preprint server for biology·2026
Same author

Editor's Note: Transglutaminase Interaction with α6/β4-Integrin Stimulates YAP1-Dependent ΔNp63α Stabilization and Leads to Enhanced Cancer Stem Cell Survival and Tumor Formation.

Cancer research·2026
Same author

RNAi-mediated p38δ silencing mitigates anthracycline cardiotoxicity in female mice.

American journal of physiology. Heart and circulatory physiology·2026
Same author

Age- and sex-specific modulation of human cardiac electrophysiology by doxorubicin.

The Journal of physiology·2026
Same author

Selective RyR2 inhibition reduces arrhythmia susceptibility in human cardiac slices.

The Journal of physiology·2026
Same author

Correction: MEK7-dependent activation of p38 MAP kinase in keratinocytes.

The Journal of biological chemistry·2025

(-)-Epigallocatechin-3-gallate (EGCG), a green tea antioxidant, may prevent cancer by promoting keratinocyte differentiation. This novel "differentiation therapy" mechanism contrasts with other agents like curcumin, which can inhibit this process.

Area of Science:

  • Oncology
  • Cell Biology
  • Dermatology

Background:

  • Cancer develops from normal cells altered by environmental factors.
  • Chemopreventive therapy aims to inhibit cancer progression by modifying cellular responses.
  • (-)-Epigallocatechin-3-gallate (EGCG) is a green tea antioxidant with known cancer chemopreventive effects.

Purpose of the Study:

  • To investigate the hypothesis that EGCG prevents cancer by promoting keratinocyte differentiation.
  • To explore a novel mechanism of cancer chemoprevention termed "differentiation therapy".

Main Methods:

  • Examined the effect of EGCG on keratinocyte differentiation.
  • Investigated the regulation of involucrin expression, a marker of keratinocyte differentiation.
  • Compared the mechanisms of EGCG and curcumin in regulating keratinocyte differentiation.

Related Experiment Videos

Main Results:

  • EGCG enhances the differentiation of normal keratinocytes.
  • This action represents a novel mechanism for EGCG's cancer preventive properties.
  • Curcumin was found to inhibit the differentiation-promoting activity of EGCG.

Conclusions:

  • EGCG may prevent cancer through a "differentiation therapy" mechanism by promoting keratinocyte differentiation.
  • Understanding these mechanisms is crucial for developing effective chemopreventive strategies.
  • The interaction between EGCG and curcumin highlights the complexity of chemopreventive agent actions.