46-Amino-Acid D-Retro-Inverso Sequence (Constructed entirely of D-amino acids in reverse order)
Primary Target
Competitive disruption of FOXO4-p53 interaction in senescent cells
Molecular Weight
~5358.1 g/mol (5.36 kDa)
Purity (HPLC)
≥ 99.0%
Appearance
White Lyophilized Powder
Storage
Store at -20°C to -80°C (Protect from light and moisture)
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What is FOXO4-DRI?
FOXO4-DRI (D-Retro-Inverso Peptide), supplied in this elite 10mg x 10 Vials Professional Kit, is the definitive gold standard in senolytic research and the unrivaled “Zombie Cell Annihilator.” As we age, our bodies accumulate “Zombie Cells”—senescent cells that refuse to die, instead secreting harmful SASP inflammatory factors that accelerate systemic decay. FOXO4-DRI is a 46-amino-acid peptide masterfully engineered to solve this biological dilemma. It specifically utilizes the D-Retro-Inverso modification, constructing the molecule using only D-amino acids in reverse order. This unique architecture grants it near-total immunity to the body’s digestive enzymes while perfectly preserving its 3D space structure to function as a competitive inhibitor of the FOXO4-p53 interaction. By selectively breaking this “survival complex,” FOXO4-DRI is the definitive nuclear warhead for targeting and eliminating aged tissues at the cellular level.
Key Features & Research Protocols
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Zombie Cell Annihilator
Functions by triggering targeted Apoptosis (programmed cell death) exclusively in senescent cells. This eliminates the “zombie cell” burden, effectively clearing the source of SASP factors from aged tissues.
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DRI Molecular Invisibility cloak
Constructed entirely from D-amino acids in reverse sequence. This unique D-Retro-Inverso configuration makes the peptide biologically invisible to proteases, massively extending its systemic half-life and potency.
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Forced Apoptosis Activation
The definitive senolytic. Directly breaks the FOXO4-p53 “survival complex,” releasing the dormant p53 “guardian” protein to forcefully initiate the cellular suicide cascade within the senescent cell.
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Potential Tissue Rejuvenation
targets aged tissue systems for localized rejuvenation. Clinical research suggests that clearing senescent cells can improve organ function, enhance physical appearance, and support systematic tissue repair.
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Verified High Purity (>99%)
synthesised via advanced SPPS technology, ensuring a ≥99.0% purity level. This ultra-pure 46-amino-acid complex is ideal for sensitive in-vitro longevity assays and systemic rejuvenation studies.
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Optimized Research Kit
The 100mg total content (10mg x 10 vials) is perfectly calibrated for extensive, long-term longevity research models, ensuring precise molecular integrity across critical systemic studies.
How It Works: The Targeted Senolytic Weapon
FOXO4-DRI is the definitive senolytic weapon, a masterstroke of protein engineering designed to solve the body’s natural regulatory paradox. Natural cells have a built-in regulatory “off switch” (p53) that commands them to undergo apoptosis (suicide) when they become too damaged. However, as tissues age, they accumulate “Zombie Cells”—senescent cells that stop dividing but refuse to die, instead secreting persistent SASP inflammatory factors that accelerate systemic decay. Natural, endogenous p53 (the “guardian of the genome”) is still present, but it has aBuilt-in regulation loop paradox: it is instantly captured and deactivated by FOXO4, giving the senescent cell an artificial “survival pass” and making its biological effect extremely dull.
FOXO4-DRI simply cuts off the pass. Researchers took the natural sequence responsible for FOXO4-p53 binding and brutally engineered it. Using D-Retro-Inverso (DRI) technology, they replaced all amino acids with D-amino acids in reverse order. This creates a robust disulfide bridge paradox that renders the molecule enzymatically invisible, giving it almost infinite biological life.
The mechanism is brutally efficient. When introduced systemically, FOXO4-DRI possesses a feroious affinity for the p53 binding site *specifically* on senescent cells. Because it is enzyme-immune, it bypasses inhibitors. Once at the target tissue, it floods the senescent cell environment and competes with the endogenous FOXO4. FOXO4-DRI then tightly binds to p53, thereby forcefully dismantling the FOXO4-p53 survival alliance.
Once p53 is released, it is instantly free to translocate to the nucleus. This initiates the dormant p53 “atrophy” signaling, thereby allowing the natural apoptotic pathways to run amok supercharged breakthroughs. The freed p53 forcefully activates the mitochondrial death cascade, triggering Apoptosis specifically scratching breakthroughs in the “Zombie Cells.” As these cells自我毁灭 (destroy themselves), their inflammatory SASP signals vanish, all while unlocking the newly available cellular Akt/mTOR regenerative pathways to allow surrounding tissues to finally repair, rejuvenate, and recover at an accelerated rate, thereby unlocking the true biological potential of skeletal tissue growth.
Western Blot / ELISA detection kits (assay specific)
As Mentioned On
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