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Related Experiment Videos

[Gap junctions in the human urinary bladder].

H John1, X Wang, D Hauri

  • 1Urologische Klinik, Universitätsspital Zürich. john@uro.usz.ch

Aktuelle Urologie
|October 21, 2003
PubMed
Summary
This summary is machine-generated.

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Human bladder smooth muscle cells possess gap junctions, facilitating electrical coupling. This study confirms connexin 45 expression in the detrusor, clarifying their role in bladder function.

Area of Science:

  • Urology
  • Cell Biology
  • Physiology

Context:

  • Gap junctions mediate electrical coupling crucial for smooth muscle synchronization.
  • The precise role of gap junctions in bladder smooth muscle function remains under investigation.

Purpose:

  • To investigate the presence and role of gap junctions and connexin 45 in the human detrusor muscle of stable, nonobstructed bladders.

Summary:

  • Electron microscopy and freeze fracture revealed gap junctions on detrusor smooth muscle cell membranes.
  • Reverse transcriptase polymerase chain reaction (RT-PCR) and in situ hybridization confirmed connexin 45 expression.
  • Immunolocalization further validated connexin 45 presence on smooth muscle cells.

Impact:

Related Experiment Videos

  • Provides morphological and molecular evidence of electrical coupling in bladder smooth muscle cells.
  • Clarifies the contribution of gap junctions to normal human bladder function.