Understanding how bladder cells maintain their protective barrier

Role of AJC in umbrella cell function and dysfunction

NIH-funded research University of Pittsburgh at Pittsburgh · NIH-11161397

This research explores how special cells in the bladder lining work to keep the bladder healthy and what happens when they don't function correctly.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh NIH-funded
Lab location1 site (Pittsburgh, United States)
Project IDNIH-11161397 on NIH RePORTER

What this research studies

Our bladders have a protective lining made of 'umbrella cells' that form a strong barrier, preventing urine from leaking and protecting against irritation. A key part of this barrier is called the apical junctional complex (AJC), which helps these cells stick together and respond to bladder filling and emptying. We want to learn more about how the AJC stays intact despite constant stretching and contracting, and how it senses pressure changes. Understanding these processes could help us discover why this barrier sometimes breaks down in common bladder problems.

Who could benefit from this research

Good fit: This foundational research is not directly recruiting patients but aims to benefit individuals with lower urinary tract disorders, such as those experiencing symptoms related to benign prostatic hyperplasia.

Not a fit: Patients without lower urinary tract disorders or those seeking immediate treatment options may not directly benefit from this basic science research.

Why it matters

Potential benefit: If successful, this work could lead to new ways to understand and treat lower urinary tract disorders by targeting the bladder's protective cell barrier.

How similar studies have performed: While some aspects of bladder cell function are known, this research explores novel findings regarding how the cell junctions adapt to bladder changes, building on a limited current understanding.

Where this research is happening

Pittsburgh, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.