FOXO4-DRI 10mg | 10-Vial Kit | Senolytic Peptide | Senescence Research

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FOXO4-DRI (D-Retro-Inverso FOXO4 senolytic peptide) — ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

🌏 International shipping: 7–14 days

$500.00

* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.

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What is FOXO4-DRI??

FOXO4-DRI (also called FOXO4-D-Retro-Inverso or FOXO4 p53-Interaction Domain Peptide) is a D-retro-inverso stapled peptide designed to antagonise the interaction between FOXO4 and p53 in senescent cells. In non-senescent cells, p53 localises to mitochondria to trigger apoptosis when activated. In senescent cells, FOXO4 sequesters p53 in the nucleus, suppressing this apoptotic programme and enabling senescent cell survival (SASP). FOXO4-DRI disrupts this FOXO4–p53 interaction, restoring nuclear p53 export → mitochondrial translocation → apoptosis selectively in senescent cells — without affecting normal proliferating cells.

Research Applications

Senescent Cell Clearance

FOXO4–p53 interaction disruption, selective senolysis without toxicity to normal cells

p53 Pathway Biology

Nuclear p53 localisation vs. mitochondrial apoptosis, p53-Puma-Bcl-w-interaction profiling

SASP Modulation

Senescence-associated secretory phenotype cytokine reduction after senolytic clearance

Ageing & Tissue Restoration

Liver, kidney, and intestinal tissue rejuvenation models; hair follicle restoration

Senolytic vs. Senostatic Comparison

FOXO4-DRI vs. dasatinib/quercetin: mechanism, selectivity, and tissue distribution

Quick Specs

Form Lyophilized powder
Purity ≥99% by HPLC — every batch
Peptide Type D-retro-inverso stapled peptide / senolytic
Target FOXO4–p53 protein–protein interaction
Selectivity Senescent cells — spares normal proliferating cells
Identity MS molecular weight confirmed — every batch
COA Janoshik-independent, publicly verifiable
Manufacture In-house Fmoc SPPS — Qingdao, China
Storage -20°C sealed | 2–8°C reconstituted (2–4 weeks)
Shelf Life 24 months unopened

Certificate of Analysis (COA)

Frequently Asked Questions

How do I reconstitute FOXO4-DRI?
Add 1–2mL bacteriostatic water to the lyophilized FOXO4-DRI vial. FOXO4-DRI is a D-retro-inverso peptide and dissolves readily. Swirl gently until the solution is clear and colourless.
How should FOXO4-DRI be stored?
Store lyophilized at −20°C. Reconstituted: 2–8°C for up to 28 days. D-retro-inverso peptides are highly resistant to proteolytic degradation due to their mirror-image backbone — FOXO4-DRI is more stable than equivalent L-amino acid peptides.
What purity is QSC FOXO4-DRI and how is it verified?
QSC FOXO4-DRI is ≥99% pure by HPLC with MS-confirmed molecular weight on every batch. COA is published on the product page and independently verifiable at verify.janoshik.com.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 International shipping: 7–14 days

Frequently asked questions

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