Table 2.

Examples of intracellular delivery of different cargoes by CPPs

CPP	Cargo	References
Large size cargoes
Proteins
Tat	Heterologous proteins	[16]
Tat	Tumor associated proteins and peptides	[81]
Nucleic acids
Tat	Gene markers encapsulated in λ phage	[82]
Various CPP	Potential for CPP to deliver DNA	[83]
Imaging agents
	CPP for in vivo molecular imaging applications	[84]
Tat	Paramagnetic labels	[85]
Tat	Technetium and rhenium	[86]
Nanocarriers
Tat	Pharmaceutical nanocarriers	[87]
	Solid lipid nanoparticles	[88]
	Gold nanoparticles	[89]
	Polymeric micelles	[90]
Liposomes
Tat, penetratin	Liposomes	[87, 91]
Tat	Liposomes	[92]
Small size cargoes
Oligo arg	Taxol	[93]
Oligo arg	Cyclosporine A	[94]
Oligoguanidinium	Various small molecules	[22]
Oligonucleotides
Arg rich peptides	PMO, PNA	[42] [95]
Various CPP	PMO, PNA	[96]
Peptides
Tat, transportan, MAP, penetratin	Pentapeptide	[97]
Tat	Peptidic inhibitor of Leishmania GP 63	[98]
Tat	Von Hippel Linau tumor suppressor peptide	[99]