Zein Protein Nanoparticles Deliver Anticancer Peptides for Head and Neck Cancer Treatment | Research

The takeaway

Zein protein nanoparticles loaded with anticancer peptides showed enhanced anti-tumor activity against head and neck squamous cell carcinoma through improved stability, cellular uptake, and sustained release.

Food-grade cancer delivery
Corn protein (zein) nanoparticles — FDA-approved and food-grade — effectively deliver anticancer peptides to head and neck cancer cells

What the researchers found

Zein NPs loaded with anticancer peptides: enhanced stability, cellular uptake, sustained release, and improved anti-tumor activity against HNSCC compared to free peptide.

Why it matters

HNSCC needs better drug delivery. Zein NPs provide a food-grade, FDA-approved delivery platform for anticancer peptides.

How the study worked

Zein nanoparticle fabrication and peptide loading, characterization (size, release kinetics), cellular uptake studies, and anti-tumor activity assessment in HNSCC cells.

What this study cannot tell us

In vitro only. HNSCC cell lines may not fully represent clinical tumors. In vivo efficacy not tested.

How to read the evidence

In vitro proof-of-concept. Food-grade delivery platform with characterization.

When this study was published

Published in 2025.

The bigger picture

Food-grade protein nanoparticles represent a safe, scalable, and affordable delivery platform for peptide-based cancer therapies.

Questions still open

Would zein NPs improve peptide delivery in animal HNSCC models?
Can zein NPs be functionalized with targeting peptides for tumor selectivity?
How does zein NP cost compare to PLGA nanoparticles?

Common questions

What are zein nanoparticles?

Tiny particles made from zein (a corn protein) that can carry drugs. They are FDA-approved, biodegradable, and naturally food-safe — ideal for drug delivery.

How do they help fight cancer?

They protect anticancer peptides from degradation, help them enter cancer cells more efficiently, and release the drug slowly for sustained effect — improving anti-tumor activity.

Read the original research

Treatment of Maxillofacial Cancers by Zein Nanoparticles Loaded with Anticancer Peptide Pistacia Zardin1: Enhanced Cytotoxicity and Apoptosis Induction in Head and Neck Squamous Cell Carcinoma (HNSCC).

Nanomaterials (Basel, Switzerland), 16(4)

View on PubMed ↗Publisher’s paper ↗

Citation

Jenča, Andrej; Saberian, Elham; Jenčová, Janka; Petrášová, Adriána; Jenča, Andrej; Mills, David; Zare-Zardini, Hadi; Kubíková, Eliška; Dianišková, Simona; Pyndus, Tetyana. (2026). Treatment of Maxillofacial Cancers by Zein Nanoparticles Loaded with Anticancer Peptide Pistacia Zardin1: Enhanced Cytotoxicity and Apoptosis Induction in Head and Neck Squamous Cell Carcinoma (HNSCC).. Nanomaterials (Basel, Switzerland), 16(4). https://doi.org/10.3390/nano16040254