Review Article

What Is the Role of Nanotechnology in Diagnosis and Treatment of Metastatic Breast Cancer? Promising Scenarios for the Near Future

Table 2

Nanoparticles for MBC diagnostics.

Nanoparticle typeTargetSizeToxicity evaluationNanocompound

Metal nanoparticles integrins107.8 ± 11.4 nmNot evaluatedcRGD-iron oxide nanochains (RGD-NC) [48]
HER225 nmIn vitro cytotoxicity studyHerceptin-MnO nanoparticles [49]
185 nmNot evaluatedAnti-HER2 antibody-conjugated silica-coated magnetic-fluorescent gold nanoshells [50]
LH/CG or LHRH receptors10 nmNot evaluatedCG- or LHRH-superparamagnetic iron oxide nanoparticles (SPIONs) [51, 52]
C-C chemokine receptor 521.5 ± 1.9 nmIn vitro cytotoxicity studyd-Ala1-peptide T-amide (DAPTA)-conjugated PdCu@Au tripods radiolabeled with 64Cu [53]
uPA receptor18 nmNot evaluateduPA ATF-magnetic iron oxide (ATF-IO) nanoparticles [54]
CD44 or folic receptors12.8 nm (diameter) × 91.7 nm (length) for GNTs; 30 nm for MNPsIn vitro cytotoxicity studyAnti-CD44- or folate-conjugated golden carbon nanotubes (GNTs) and spherical magnetic nanoparticles (MNPs) [55]

Silicon nanoparticlesCD105175.3 ± 9.7 nmNot evaluatedTRC105(Fab)-conjugated 64Cu-fluorescent labeled mesoporous silica nanoparticles (MSNs) [56]

Composite nanoparticles8.5 ± 0.8 nm (polydispersity index = 0.31 ± 0.11)Not evaluated89Zr-labeled high-density lipoprotein nanoparticles (89Zr-rHDL) [57]
150 nmNot evaluatedPositron-emitting magnetic nanoconstructs (PEMs): PLGA-phospholipid nanoparticles encapsulating ultrasmall superparamagnetic iron oxide nanoparticles (USPIOs) and 64Cu (DOTA) [58]
1,000 nmNot evaluated64Cu-discoidal polymeric nanoconstructs (DPNs) composed of PLGA chains, multiarm PEG acrylate chains, lipid-DOTA chains, lipid-Rhodamine B dye, and USPIOs [58]
Transferrin receptors112 to 165 nmNot evaluatedTransferrin-PEG-decorated polyglycerol magnetic nanogels (MNGs) [59]
HER240 ± 1 nm (polydispersity index = 0.15 ± 0.06)In vitro cytotoxicity studyThiolated neu antibody-conjugated superparamagnetic iron oxide nanoparticles (SPIONs) coated with copolymer of chitosan and PEG (NP-neu) [60]
67 ± 5 nmIn vitro cytotoxicity studyHerceptin-dextran-coated magnetic iron oxide nanoparticles (SPIOs) [61]

All these nanoparticles are in preclinical studies; nanoparticles with theranostic application.