Neem Seed Protein-Derived Peptides Protect the Heart From Iron-Induced Damage
Hydrolysates from neem seed protein alleviated iron-induced cardiac injury through antioxidant bioactive peptides that reduce oxidative stress and inflammation.
Quick Facts
What This Study Found
Neem seed protein hydrolysates containing bioactive peptides alleviated iron-induced cardiac injury through antioxidant, iron-chelating, and anti-inflammatory mechanisms.
Key Numbers
Pro-oxidant concentration: 0.1 mM FeSO4. Peptide treatment increased catalase, SOD, ENTPDase, 5'NTPDase, glutathione, and HDL-cholesterol while reducing MDA (a damage marker).
How They Did This
Generated neem seed protein hydrolysates. Tested cardioprotective effects against iron-induced injury. Assessed antioxidant activity, iron chelation, and inflammatory markers.
Why This Research Matters
Iron overload cardiotoxicity affects patients with hemochromatosis, thalassemia, and those receiving repeated blood transfusions. Natural peptide-based protection could complement medical iron chelation.
The Bigger Picture
Food-derived bioactive peptides with cardioprotective properties add to the growing evidence that dietary proteins are more than just nutrition — they release peptides during digestion that actively protect organs from damage.
What This Study Doesn't Tell Us
In vitro/preclinical study. The amount of protective peptide released during human digestion of neem seeds is unknown. Neem seed consumption is not common globally.
Questions This Raises
- ?Could neem seed peptides be developed as supplements for iron-overload patients?
- ?Which specific peptide sequences provide the strongest cardioprotection?
- ?Do other plant protein sources release similar cardioprotective peptides?
Trust & Context
- Key Stat:
- Plant peptides protect heart Neem seed protein-derived peptides chelate iron and reduce oxidative stress to protect cardiac cells from iron overload damage
- Evidence Grade:
- Preliminary evidence: in vitro/preclinical demonstration of cardioprotective bioactive peptide activity from neem seed hydrolysates.
- Study Age:
- Published in 2025. Adds cardioprotection to the growing catalog of food-derived bioactive peptide functions.
- Original Title:
- Neem seed protein hydrolysates alleviate iron-induced cardiac injury via effects on angiotensin-converting enzyme, purinergic enzymes, redox balance, and lipid metabolism.
- Published In:
- Archives of physiology and biochemistry, 131(4), 670-682 (2025)
- Authors:
- Acho, Marvellous A, Erukainure, Ochuko L, Salau, Veronica F, Osemwegie, Osarenkhoe O, Amonsou, Eric, Arise, Rotimi O
- Database ID:
- RPEP-09762
Evidence Hierarchy
Frequently Asked Questions
Can food peptides protect the heart?
This study shows that peptides released from neem seed protein during digestion can protect heart cells from iron-induced damage by acting as antioxidants and iron chelators. Similar protective peptides have been found in other foods.
What is iron overload and who is at risk?
Iron overload occurs when the body accumulates too much iron, which damages organs through oxidative stress. People with hemochromatosis, thalassemia, or those receiving frequent blood transfusions are at risk. The heart is particularly vulnerable to iron damage.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-09762APA
Acho, Marvellous A; Erukainure, Ochuko L; Salau, Veronica F; Osemwegie, Osarenkhoe O; Amonsou, Eric; Arise, Rotimi O. (2025). Neem seed protein hydrolysates alleviate iron-induced cardiac injury via effects on angiotensin-converting enzyme, purinergic enzymes, redox balance, and lipid metabolism.. Archives of physiology and biochemistry, 131(4), 670-682. https://doi.org/10.1080/13813455.2025.2483912
MLA
Acho, Marvellous A, et al. "Neem seed protein hydrolysates alleviate iron-induced cardiac injury via effects on angiotensin-converting enzyme, purinergic enzymes, redox balance, and lipid metabolism.." Archives of physiology and biochemistry, 2025. https://doi.org/10.1080/13813455.2025.2483912
RethinkPeptides
RethinkPeptides Research Database. "Neem seed protein hydrolysates alleviate iron-induced cardia..." RPEP-09762. Retrieved from https://rethinkpeptides.com/research/acho-2025-neem-seed-protein-hydrolysates
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.