Review Article

Targeted Delivery System of Nanobiomaterials in Anticancer Therapy: From Cells to Clinics

Table 1

Recently developed nanoplatforms for cancer targeting in preclinical studies.

NanoplatformsDrugAverage size (nm)Ligand/targetDescriptionsPossible applicationsReferences

LiposomesDoxorubicin108Cyclic Asn-Gly-Arg (cNGR) peptides/CD13 and aminopeptidase NcNGR decorated, lysolipid-containing temperature sensitive liposomesHuman fibrosarcoma (HT-1080),
in vitro binding study
[95]

Liposomes inorganic nanoparticles (gold nanorods, ironoxide nanoworms)Doxorubicin55A truncated, tumor-targeted human protein tissue factor (tTF RGD) to induce coagulation on binding to angiogenic receptors to heat specifically directed coagulation-cascade activation in tumours“Signalling” modules (PEG-decorated gold nanorods, tumor-targeted truncated tissue factor proteins) that target tumors and then locally activate the coagulation cascade to broadcast tumor location to clot-targeted “receiving” nanoparticles in circulation that carry a diagnostic or therapeutic cargo (ironoxide nanoworms, doxorubicin-loaded liposomes)In vivo MDA-MB-435 xenograft tumors,
i.v. injection
[97]

Liposomes carbon nanotubesPaclitaxel164anti-ErBb2 (Her2) mAbEach nanohorn encapsulated within one immunoliposome formulated with PEG and thermally stable and pH sensitive phospholipids for pH sensitive and prolonged release of paclitaxelSK-BR-3 and BT-20 breast cancer cells,
in vitro cytotoxicity
[98]

Polymeric nanoparticlessiRNA Cationic lipid-coated PLGA nanoparticles, a unique soft lithography particle molding process (particle replication in nonwetting templates, PRINT)In vitro prostate cancer cell lines[108]

Polymeric micelles1,2-Diaminocyclohexane- platinum(II) (DACHPt) (the parent complex of oxaliplatin)30Long-circulating, drug-loaded polymeric micelles enhancing tumour permeability with a TGF inhibitorPoorly permeable pancreatic tumors in the mice model (C26 or BxPC3 tumors),
i.v. injection
[209]

NanoconjugatesSplice-switching oligonucleotides (SSOs) (phosphorodiamidate morpholino oligomer (PMO))13RGD/integrin , a cell surface glycoprotein that is preferentially expressed
in angiogenic endothelia
Albumin-based nanoconjugates with fluorescence labeling which are small, highly specific, and noncytotoxicTumor spheroids of A375/GFP cell,
tumor spheroid study using A375/GFP cells to confirm the uptake and penetration of nanoconjugates in three-dimensional (3D) culture
[128]
Paclitaxel2-3ultrasmall hyaluronic acid (HA)/CD44Paclitaxel-ultrasmall HA (3–5 kDa) nanoconjugates internalized via CD44 receptor-mediated endocytosis, which allowed paclitaxel to bypass the P-glycoprotein- mediated efflux on the surface of cancer cellsBrain metastasis of breast cancer using MDA-MB-231Br breast cancer cells,
i.v. injection
[129]

Gold nanoparticlesChemiresistors based on functionalized gold nanoparticles in combination with pattern recognition methods5A sensor array for breath testing of exhaled breath in lung cancer patientsA noninvasive diagnostic tool for lung cancer,
in vitro array
[137]

Gold nanoparticles magnetic microparticlesAn assay for PSA detection with gold nanoparticles based on the PSA-specific Abs and short DNA sequences (barcodes)30Prostate-specific antigen (PSA)Magnetic microparticles conjugated with PSA-specific antibodies to extract trace amounts of the target analyte (PSA) in serum samples from patients and gold nanoparticles with PSA-specific antibodies and short DNA sequences (the barcodes) attached to detect this analyteAn ultrasensitive assay for prostate cancer,
in vitro barcode array
[138]

Carbon nanotube
Single-walled carbon nanotube (SWCNT) with fluorescence labelling200–300Biodistribution and examination of glomerular filtration in kidney NIR fluorescence imaging, dynamic PET imaging,
in vitro (HK-2 cells at the transwell),
in vivo (mice, NCr/nu/nu),
i.v. injection
[147]
Water soluble carbon nanotubes functionalized with PEG, radio labels, and RGD peptide1–5 (diameter), 100–300 (length)RGD/integrins RGD-pegylated SWCNTs, radio-labelled SWCNTsU87MG human glioblastoma and HT-29 human colorectal cancer cell lines, U87MG and HT-29 tumour xenograft models for biodistribution (PET),
i.v. injection
[148]

GrapheneNanographene sheet (NGS) for photothermal therapy (PTT)10–50Six-armed PEG-NGS with fluorescent labeling4T1 bearing Balb/c mice, KB and U87MG xenograft models, PTT,
i.v. injection
[155]
Reduced graphene oxide (RGO) for PTT20–80Human/murine chimeric IgG1 mAb (TRC105)/both human and murine CD105RGO conjugated to the anti-CD105 antibody TRC105Tumor vasculature targeting and imaging in living mice as a theranostic agent,
in vitro (4T1 murine breast cancer, MCF-7 human breast cancer, and human umbilical vein endothelial cells (HUVECs)),
in vivo (4T1 breast cancer model),
i.v. injection
[156]

PhageImaging and therapy HSVtk + ganciclovir + [18F]FDG and [18F]FEAU RGD4C/integrinsHybrid vector with adeno-associated virus (AAV) and fd-tet derived bacteriophage [AAV/phage (AAVP)]
RGD-4C AAVP-HSVtk (herpes simplex virus thymidine kinase)
KS1767 cells
RGD-4C AAVP-HSVtk PET images with [18F]FDG and [18F]FEAU obtained before and after ganciclovir treatment
[194]
Magnetic iron oxide [(maghemite ( -Fe2O3) or magnetite (Fe3O4)] for MRI Acidic and rich in cysteine (SPARC)SPARC-binding peptide (SPPTGIN) and triglutamate displayed on p3 and p8 coat proteins of M13 phage, respectivelyTumor targeting against prostate cancer[202]

mAb: monoclonal antibody; PEG: polyethylene glycol; PLGA: poly(lactic-co-glycolic) acid; RGD, arginine, glycine, and aspartic acid (Arg-Gly-Asp).