Double-chambered ferritin platform: Dual-function payloads of cytotoxic peptides and fluorescent protein

Soyoun Kim, Gwang Seob Kim, Junyoung Seo, Gunassekaran Gowri Rangaswamy, In Seop So, Rang Woon Park, Byung Heon Lee, In-San Kim

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Ferritin cage nanoparticles are promising platforms for targeted delivery of imaging and therapeutic agents. One of the main advantages of cage nanoparticles is the ability to display multiple functionalities through genetic modification so as to achieve desired therapeutic or diagnostic functions. Ferritin complexes formed from short ferritin (sFt) lacking the fifth helix can accommodate dual peptide and protein functionalities on N- and C-terminal sites in sFt monomers. The resulting double-chambered NanoCage (DCNC) offers the potential of dual activities; these activities are augmented by the avidity of the ligands, which do not impede each other's function. Here we demonstrated proof-of-concept of DCNCs, loading the tumor-targeting proapoptotic peptide CGKRK(KLAKLAK)2 onto the N-terminal chamber and green fluorescent protein (GFP) onto the C-terminal chamber. The resulting KLAK-sFt-GFP DCNCs were internalized into the human breast adenocarcinoma cell line MDA-MB-231 and induced apoptosis. These findings suggest that DCNCs containing various combinations of peptides and proteins could be applied as therapeutics in different diseases.

Original languageEnglish
Pages (from-to)12-19
Number of pages8
JournalBiomacromolecules
Volume17
Issue number1
DOIs
Publication statusPublished - 2016 Jan 11

Fingerprint

Ferritins
Peptides
Proteins
Green Fluorescent Proteins
Nanoparticles
Cell death
Tumors
Protein C
Monomers
Ligands
Cells
Imaging techniques
Apoptosis

ASJC Scopus subject areas

  • Bioengineering
  • Biomaterials
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Double-chambered ferritin platform : Dual-function payloads of cytotoxic peptides and fluorescent protein. / Kim, Soyoun; Kim, Gwang Seob; Seo, Junyoung; Gowri Rangaswamy, Gunassekaran; So, In Seop; Park, Rang Woon; Lee, Byung Heon; Kim, In-San.

In: Biomacromolecules, Vol. 17, No. 1, 11.01.2016, p. 12-19.

Research output: Contribution to journalArticle

Kim, Soyoun ; Kim, Gwang Seob ; Seo, Junyoung ; Gowri Rangaswamy, Gunassekaran ; So, In Seop ; Park, Rang Woon ; Lee, Byung Heon ; Kim, In-San. / Double-chambered ferritin platform : Dual-function payloads of cytotoxic peptides and fluorescent protein. In: Biomacromolecules. 2016 ; Vol. 17, No. 1. pp. 12-19.
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