What question did this study set out to answer?

To identify the molecular signal that activates quiescent muscle satellite cells to initiate muscle repair following injury.

May 1, 2000Molecular Biology of the CellOpen Access

A Role for Nitric Oxide in Muscle Repair: Nitric Oxide–mediated Activation of Muscle Satellite Cells

View Full Paper

Ask AI

Bookmark

Authors

JAJudy E. AndersonUniversity of Manitoba

Discussion

Member takes

Implication

Preclinical study reveals nitric oxide triggers rapid satellite cell activation after injury in mice, indicating a critical signaling pathway for effective skeletal muscle regeneration.

Key Points

To identify the molecular signal that activates quiescent muscle satellite cells to initiate muscle repair following injury.
Examined satellite cell activation, morphology, and adhesion in vivo within minutes of injury across wild-type, mdx dystrophic, and NOS-I knockout mice.
Administered pharmacological nitric oxide synthase (NOS) inhibitors to evaluate impacts on immediate satellite cell release and subsequent muscle tissue regeneration.
Inhibition of NOS activity prevented the rapid injury-induced release of myogenic cells and delayed satellite cell hypertrophy within 1 minute post-injury.
Satellite cell activation in mdx dystrophic and NOS-I knockout mice quantitatively mirrored the impaired response seen in NOS-inhibited normal muscle.
Prolonged NOS inhibition delayed tissue regeneration, induced apoptosis in myotube nuclei, and resulted in abnormal muscle fiber branching.

Cite This Study

Judy E. Anderson (2000) studied this question.

synapsesocial.com/papers/6a70bd3626a7f98052dd33d4 https://doi.org/10.1091/mbc.11.5.1859

View Full Paper

Ask AI

Bookmark

Implication

Preclinical study reveals nitric oxide triggers rapid satellite cell activation after injury in mice, indicating a critical signaling pathway for effective skeletal muscle regeneration.

A Role for Nitric Oxide in Muscle Repair: Nitric Oxide–mediated Activation of Muscle Satellite Cells

Discussion

Member takes

Implication

Key Points

Cite This Study

A Role for Nitric Oxide in Muscle Repair: Nitric Oxide–mediated Activation of Muscle Satellite Cells

Discussion

Member takes

Implication

Key Points

Cite This Study

Also Consider

Also Consider