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AntimicrobialResearch

Alpha-Defensin 1

Also known as: HNP-1 · DEFA1

An endogenous antimicrobial peptide from human neutrophils that shreds bacterial membranes and bridges innate-to-adaptive immune memory.

Dr. Sarah Mitchell

Reviewed by Dr. Sarah Mitchell, PharmD, BCPS

Lead Researcher · 12+ years in peptide therapeutics

Half-Life

~2–4 hours

Typical Dose

Research dosing

Administration

Research

Mechanism of Action

Forms pores in microbial membranes through voltage-dependent channels while simultaneously activating dendritic cells for adaptive immunity.

Key Research Areas

antimicrobialimmuneneutrophilinnate defense

Frequently Asked Questions

What is Alpha-Defensin 1?
An endogenous antimicrobial peptide from human neutrophils that shreds bacterial membranes and bridges innate-to-adaptive immune memory.
How does Alpha-Defensin 1 work?
Forms pores in microbial membranes through voltage-dependent channels while simultaneously activating dendritic cells for adaptive immunity.
What is the recommended dosage for Alpha-Defensin 1?
The typical research dosage is Research dosing, administered via Research. Dosage protocols vary by study and should be determined by a qualified healthcare professional.
What is the half-life of Alpha-Defensin 1?
The half-life of Alpha-Defensin 1 is approximately ~2–4 hours. This affects dosing frequency and timing in research protocols.
Is Alpha-Defensin 1 FDA approved?
Alpha-Defensin 1 is currently classified as "Research" and is not FDA approved for general use. It is available for research purposes or through compounding pharmacies depending on your jurisdiction.

Research Disclaimer

The information provided about Alpha-Defensin 1 is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare professional before starting any peptide protocol. Products discussed have not been evaluated by the FDA unless explicitly noted.

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