Plant-derived anticancer peptides offer tumor-selective killing with less toxicity than conventional chemotherapy | Research

The takeaway

Plant-derived anticancer peptides (PDACPs) from legumes, cereals, and medicinal plants kill cancer through apoptosis, cell cycle arrest, anti-angiogenesis, and metastasis inhibition with enhanced tumor selectivity and reduced off-target toxicity.

Multi-target natural anticancer agents
Plant-derived peptides kill cancer through 4+ mechanisms while showing enhanced tumor selectivity and reduced toxicity compared to conventional chemotherapy

What the researchers found

Sources: legumes, cereals, medicinal plants. Mechanisms: apoptosis (mitochondrial), cell cycle arrest, anti-angiogenesis (VEGF), membrane disruption, metastasis inhibition. Advantages vs chemo: tumor selectivity, reduced toxicity, less resistance. Challenges: stability, delivery, production.

Why it matters

Cancer treatment is limited by chemotherapy toxicity and resistance. Plant-derived peptides offer a natural, multi-mechanism approach that may overcome both limitations while causing fewer side effects.

How the study worked

Comprehensive narrative review of plant-derived anticancer peptide sources, mechanisms, therapeutic potential, and translational challenges.

What this study cannot tell us

Review of primarily preclinical data. No PDACPs are currently approved for cancer. Stability and delivery remain significant challenges. In vivo efficacy data limited.

How to read the evidence

Comprehensive review of preclinical evidence. Strong mechanistic rationale but limited clinical data.

When this study was published

Published in 2025.

The bigger picture

Plant-derived peptides represent an underexplored frontier in cancer therapeutics. Their multi-target mechanisms and natural origin make them promising next-generation anticancer agents.

Questions still open

Which PDACPs are closest to clinical trials?
Can nanoencapsulation solve peptide stability for oral anticancer delivery?
Would PDACP combinations with chemotherapy reduce drug resistance?

Common questions

Can plant proteins fight cancer?

Yes—specific peptides derived from plants (legumes, cereals, medicinal plants) have demonstrated anticancer activity in laboratory studies. They kill cancer cells through multiple mechanisms: triggering cell death, stopping cell division, cutting off blood supply to tumors, and disrupting cancer cell membranes.

Are plant peptides better than chemotherapy?

In preclinical studies, plant-derived anticancer peptides show advantages over chemotherapy: they are more selective for cancer cells (less damage to healthy cells), cause fewer side effects, and bacteria-like resistance is less likely to develop. However, they have not yet been tested in clinical trials.

Read the original research

Anticancer Bioactive Peptides from Plants: Sources, Action Mechanisms, and Potential Superiority to Conventional Chemotherapy.

Probiotics and antimicrobial proteins

View on PubMed ↗Publisher’s paper ↗

Citation

Sun, Mao-Cheng; Yu, Shi-Qi; Zhao, Changhui; Lee, Chi-Ching; Suttikhana, Itthanan; Ashaolu, Tolulope Joshua. (2025). Anticancer Bioactive Peptides from Plants: Sources, Action Mechanisms, and Potential Superiority to Conventional Chemotherapy.. Probiotics and antimicrobial proteins. https://doi.org/10.1007/s12602-025-10781-2