ACE-031

Also known as: ACVR2B-Fc

Soluble myostatin receptor

What is ACE-031?

ACE-031, also known as ActRIIB-Fc, is a peptide classified under the category of anabolic and myostatin peptides. It is a soluble receptor for myostatin, a protein that inhibits muscle growth. By binding to myostatin, ACE-031 effectively reduces its activity, promoting muscle hypertrophy and increasing muscle mass.

This peptide has garnered interest in the field of muscle biology and therapeutic applications due to its potential to enhance muscle growth and strength. Research into ACE-031 focuses on its role in muscle development and its implications for conditions characterized by muscle wasting.

How It Works

ACE-031 functions by acting as a decoy receptor for myostatin. When myostatin binds to its natural receptor, it signals the body to limit muscle growth. ACE-031 intercepts this signaling pathway, preventing myostatin from exerting its inhibitory effects on muscle cells.

Mechanism of Action

By blocking myostatin, ACE-031 promotes muscle cell proliferation and differentiation, leading to increased muscle fiber size and overall muscle mass. This mechanism is particularly relevant in research focused on muscle regeneration and growth.

Research Uses

  • Muscle Hypertrophy

    Investigated for its potential to increase muscle mass in various models of muscle wasting.
  • Muscle Regeneration

    Studied for its role in enhancing recovery from muscle injury.
  • Age-Related Muscle Loss

    Explored as a potential treatment for sarcopenia, the age-related decline in muscle mass.
  • Neuromuscular Disorders

    Research into its effects on conditions like muscular dystrophy and amyotrophic lateral sclerosis (ALS).

Effects

  • Increased Muscle Mass

    Observed in animal studies, indicating significant muscle growth compared to control groups.
  • Enhanced Muscle Strength

    Reported improvements in strength metrics during research trials.
  • Improved Recovery

    Users and studies note faster recovery times following intense exercise.
  • Potential for Reduced Fatigue

    Some research suggests a decrease in exercise-induced fatigue, allowing for longer training sessions.

Summary

ACE-031 is a soluble myostatin receptor peptide that plays a crucial role in muscle growth by inhibiting myostatin activity. Its research applications span various fields, particularly in muscle regeneration and treatment of muscle-wasting conditions, highlighting its relevance in both clinical and athletic contexts.

Last updated: Feb 25, 2026