Description
ACE-031 is an investigational protein therapy that promotes muscle growth and enhances strength by inhibiting signaling from a cell surface receptor called activin receptor type IIB (ActRIIB). ACE-031 is a fully humanized recombinant fusion protein, consisting of a portion of a human ActRIIB receptor linked to a portion of a human antibody.
What is ACE-031?
ACE-031 is an investigational protein therapy that promotes muscle growth and enhances strength by inhibiting signaling from a cell surface receptor called activin receptor type IIB (ActRIIB). ACE-031 is a fully humanized recombinant fusion protein, consisting of a portion of a human ActRIIB receptor linked to a portion of a human antibody. This fusion protein forms a freely circulating ActRIIB decoy that can clear proteins such as GDF-8 (myostatin), which limit muscle growth and regeneration. Recent research on ACE-031 suggests that blocking ActRIIB signaling may be an effective way to increase muscle mass and improve physical performance. In various animal models of muscle diseases, including muscular dystrophy, amyotrophic lateral sclerosis (ALS), and muscle atrophy models associated with corticosteroid treatment, androgen deprivation, or age-related muscle atrophy, ACE-031 has increased muscle mass, strength, and improved physical function.
ACE-031 is best known for its ability to increase muscle mass, regardless of muscle fiber type. The mechanism of action of ACE-031 is to block myostatin inhibition. This peptide binds to myostatin and other similar ligands, thereby inhibiting muscle and protein synthesis. Numerous studies have shown that in cases of muscular dystrophy, muscle degeneration, or muscle injury, myostatin deficiency is actually beneficial because it inhibits muscle growth.
Furthermore, studies have shown that ACE-031 is effective in treating various myopathy conditions, such as Duchenne muscular dystrophy (DMD) and ALS, significantly increasing muscle mass and body weight in subjects in various animal studies.
Unique Features of ACE-031 (1 mg/vial)
The 1 mg/vial specification highlights its research-grade characteristics. This product is not a commercial drug, but a lyophilized powder that needs to be reconstituted with antibacterial water for in vitro or animal studies. Its key features include:
1. Novel Mechanism of Action: Its ligand trap mechanism of action distinguishes it from anabolic steroids, selective androgen receptor modulators (SARMs), and even other peptide drugs. It does not interact with androgen receptors and does not directly increase insulin-like growth factor-1 (IGF-1) levels.
2. Systemic and Potentially Non-Catalytic Effect: Unlike site-specific growth factors, its effect is systemic. Furthermore, by blocking catabolic signals, it may promote muscle maintenance even under caloric conditions.
3. Fc Fusion Technology: The IgG1-Fc moiety is a key feature. It significantly prolongs the compound's half-life in the blood, from a few hours to several days, thereby reducing the frequency of clinical dosing required.
4. Chemical Status: It must be emphasized that ACE-031 has never been approved for human use. All human trials were terminated after Phase II due to side effects and strategic decisions by the developing company. Its use in bodybuilding is entirely "off-label use," experimental in nature, and carries unknown risks.
Theoretical Applications and Benefits in Bodybuilding
Interest in bodybuilding stems from compelling, albeit theoretical, benefits observed in early clinical studies and animal models.
● Significantly Increased Lean Body Mass: Its main appeal lies in its significant muscle growth potential. Preclinical data show that subjects can achieve significant lean body mass gains without a corresponding increase in fat mass.
● Improved Muscle Mass and Density: Through mechanisms of hyperplasia (increasing the number of muscle fibers) and hypertrophy (increasing the size of existing fibers), inhibiting myostatin-induced muscle growth is believed to create a denser, more defined physique than purely hypertrophic drugs such as steroids.
● Enhanced Fat Burning: Some studies suggest that inhibiting myostatin can promote metabolic shifts favorable to lipid oxidation and increased metabolic rate, thereby indirectly supporting fat burning.
● Muscle Protection During Fat Loss: This is a highly sought-after benefit. When calorie intake is insufficient, the body's catabolic signals increase. ACE-031, by inhibiting myostatin, theoretically protects hard-earned muscle mass, allowing athletes to minimize muscle atrophy while achieving extreme leanness.
● Potential for Injury Recovery: Promoting satellite cell activity could theoretically accelerate muscle damage repair, although this application is purely speculative.
Our Advantages
1. Quality: Every product undergoes rigorous testing by our professionals and is ISO certified.
2. Price: As a factory, our prices are significantly lower than our competitors. Discounts are available for bulk orders.
3. Shipping: We have ample stock and can ship within 24 hours of payment.
4. Comprehensive Reshipment Policy: Maximizing customer benefits and minimizing potential losses.
5. Excellent After-Sales Service: Tracking your package until delivery and making every effort to resolve any issues customers encounter.
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