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

Nonredundant gap junction functions.

Thomas W White1

  • 1Department of Physiology and Biophysics, State University of New York, Stony Brook, New York 11794, USA.

News in Physiological Sciences : an International Journal of Physiology Produced Jointly by the International Union of Physiological Sciences and the American Physiological Society
|May 17, 2003
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

Volume Is Not Enough: Chest Wall Injury as a Test Case for Performance-Based Trauma Center Verification.

Journal of the American College of Surgeons·2026
Same author

Authors' response to letter by Peuker F et al.

The journal of trauma and acute care surgery·2026
Same author

Development of a multi-parametric MRI platform to evaluate steady-state water content and optical properties in multiple ex vivo bovine lens.

Experimental eye research·2025
Same author

Traumatic clamshell thoracotomy closure using plates and screws - A new look for a challenging exposure: A pilot study.

Injury·2025
Same author

Chest Wall Injury Society guidelines for surgical stabilization of rib fractures: Indications, contraindications, and timing.

The journal of trauma and acute care surgery·2025
Same author

In vivo changes in the gradient of refractive index distribution in the accommodating human lens.

Experimental eye research·2025

Cellular health relies on specific gap junction channel subunits, not just communication. Replacing one gene with another in mice and flies shows the importance of correct subunit types for cell function.

Area of Science:

  • Cellular biology
  • Molecular biology
  • Genetics

Background:

  • The precise role of molecular heterogeneity in gap junction channel proteins in living organisms has remained unclear.
  • Gap junctions are crucial for intercellular communication, but the specific requirements for their protein subunits are not fully understood.

Purpose of the Study:

  • To investigate the functional significance of molecular heterogeneity in gap junction channel proteins.
  • To determine if cellular health is dependent on the specific types of gap junction subunits present.

Main Methods:

  • Functional gene replacement experiments were conducted in mice and flies.
  • One gap junction channel gene was systematically replaced with another to observe the effects on cellular health.

Related Experiment Videos

Main Results:

  • Cellular health was found to be dependent on the specific type of intercellular channel subunit, not solely on the presence of gap junction communication.
  • The study demonstrated that the correct subunit composition is essential for maintaining cellular integrity and function.

Conclusions:

  • Molecular heterogeneity of gap junction channel proteins is essential for maintaining cellular health in vivo.
  • The findings highlight the critical role of specific gap junction subunits in cellular function, moving beyond the simple concept of intercellular communication.