FOXO4-DRI — Senolytic Peptide | Cellular Senescence Research
FOXO4-DRI is a D-amino acid retro-inverso (DRI) peptide antagonist of the FOXO4-p53 protein interaction. Senescent cells — “zombie cells” that no longer divide but resist apoptosis — accumulate with aging and secrete SASP (Senescence-Associated Secretory Phenotype) factors that drive chronic inflammation and tissue dysfunction. FOXO4-DRI specifically disrupts the FOXO4-p53 interaction that maintains senescent cell survival, triggering apoptosis selectively in senescent but not healthy cells. The original Nature Medicine paper demonstrated remarkable rejuvenation effects in aged and chemotherapy-treated mice.
Available Formats
- 10mg
Reconstitution: Reconstitute with Bacteriostatic Water (BAC Water) for multi-use stability, or Sterile Water for single-use protocols. Store lyophilized vials at 2–8°C.
Key Research Areas
🧬 Targeted Senescent Cell Clearance
FOXO4-DRI selectively induces apoptosis in FOXO4-high senescent cells while leaving proliferating cells unharmed. Research confirms specificity via the selective upregulation of p21 and p53 in senescent but not normal cells — establishing FOXO4-DRI as one of the most selective senolytic tools available.
⚡ Rejuvenation Research (Aged Mouse Models)
Original Nature Medicine (2017) research demonstrated that 3 intraperitoneal injections per week for 3 weeks in aged mice produced: restoration of lost fur, improved physical fitness, reduced frailty, and improved renal function. This represents among the most compelling aging reversal data published for any peptide compound.
🏥 Chemotherapy-Induced Senescence Research
Chemotherapy induces widespread senescence contributing to off-target toxicity. FOXO4-DRI research in chemotherapy-treated mice showed restoration of white blood cell counts, hair retention, and physical function — relevant to reducing treatment-related aging in cancer research models.
🔬 SASP & Inflammaging Research
Clearing senescent cells reduces SASP factor secretion (IL-6, IL-1β, TNF-α), normalizing the chronic low-grade inflammatory environment (“inflammaging”) that drives age-related disease. FOXO4-DRI enables mechanistic inflammaging research.
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FOR RESEARCH USE ONLY (RUO). Not approved for human or veterinary use. Intended for in vitro and laboratory research only.














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