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Octa-arginine-modified calcium phosphate nanoparticles with amiloride enhance gene delivery and bone augmentation in rat calvaria

Source: Nature - Biotechnology • Published: 01 Aug 2026, 00:00

Octa-arginine-modified calcium phosphate nanoparticles with amiloride enhance gene delivery and bone augmentation in rat calvaria

Reports a biomaterials strategy combining cell-penetrating peptide–modified calcium phosphate nanoparticles and a small molecule to boost plasmid gene delivery and promote bone formation in a rat skull defect model.

Key Takeaways
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  • Amiloride improves the gene-transfection efficiency of octa-arginine (R8)-modified calcium phosphate (CaP)
  • Amiloride reduced intracellular pH and increased calcium concentration
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