NIH-funded research R21 grant

Understanding how muscle cells communicate to trigger contraction

Official title: Defining architecture of EC coupling machinery in situ

Funded at University of Texas Hlth Sci Ctr Houston · NIH-10872299 · Data updated 2026-11-12

This study is looking at how muscles contract by exploring the tiny structures that help release calcium in muscle cells, which could lead to better understanding and treatments for muscle disorders.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Sci Ctr Houston
NIH-funded
Lab location1 site (Houston, United States)
Project startJuly 1, 2023
Project endJune 30, 2025
Funding year2024
Award (this year)$166,452
NIH project number5R21AR082833-02
Project IDNIH-10872299 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with muscle disorders, particularly those related to excitation-contraction coupling, such as Central Core Disease or Central Core Myopathy.

Less likely to help

Patients with muscle disorders unrelated to excitation-contraction coupling may not receive direct benefits from this research.

What this research studies

This research investigates the intricate process of excitation-contraction coupling (ECC) in skeletal muscle, which is essential for muscle contraction. By using advanced cryogenic electron tomography, the study aims to visualize the 3D architecture of key proteins involved in this process, specifically focusing on the interactions between calcium channels in muscle cells. This approach will help clarify how these proteins work together to release calcium ions, which are crucial for muscle function. Patients may benefit from insights gained into muscle disorders that affect this signaling pathway.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for muscle disorders by enhancing our understanding of muscle cell signaling.

How similar studies have gone: Previous research has shown promise in understanding muscle signaling pathways, but this specific approach using cryogenic electron tomography is relatively novel.

Where this research is happening

  • University of Texas Hlth Sci Ctr Houston
    Houston, United States
    Active

Researchers

  • Principal investigator: Serysheva, Irina I — University of Texas Hlth Sci Ctr Houston
  • Study coordinator: Serysheva, Irina I

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.