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Unraveling Polymeric Nanoparticles Cell Uptake Pathways: Two Decades Working to Understand Nanoparticles Journey to Improve Gene Therapy

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Cell Biology and Translational Medicine, Volume 9

Part of the book series: Advances in Experimental Medicine and Biology ((CBTMED,volume 1288))

Abstract

Polymeric nanoparticles have aroused an increasing interest in the last decades as novel advanced delivery systems to improve the treatment of many diseases. Hard work has been performed worldwide designing and developing polymeric nanoparticles using different building blocks, which target specific cell types, trying to avoid bioaccumulation and degradation pathways. The main handicap of the design is to understand the final fate and the journey that the nanoparticle will follow, which is intimately ligated with the chemical and physical properties of the nanoparticles themselves and specific factors of the targeted cells. Although the huge number of published scientific articles regarding polymeric nanoparticles for biomedical applications, their use in clinics is still limited. This fact could be explained by the limited data reporting the interaction of the huge diversity of polymeric nanoparticles with cells. This knowledge is essential to understand nanoparticle uptake and trafficking inside cells to the subcellular target structure.

In this chapter, we aim to contribute to this field of knowledge by: (1) summarizing the polymeric nanoparticles properties and cellular factors that influence nanoparticle endocytosis and (2) reviewing the endocytic pathways classified as a function of nanoparticle size and as a function of the receptor playing a role. The revision of previously reported endocytic pathways for particular polymeric nanoparticles could facilitate scientist involved in this field to easily delineate efficient delivery systems based on polymeric nanoparticles.

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Abbreviations

BBB:

Blood Brain Barrier

Chol:

Cholesterol

CME:

Clathrin-mediated endocytosis

CR:

Complement receptor

CvME:

Caveolin-mediated endocytosis

FBS:

Fetal bovine serum

FcyR:

Immunoglobulin G receptor

FR:

Folate receptor

MR:

Mannose receptor

NPs:

Nanoparticles

PA:

Polyacrylamdie

PAMAM:

Polyamidoamine

PBAE:

Poly(βaminoesters)

PCL:

Polycaprolactone

PE:

Polyester

PEG:

Poly(ethylene glycol)

PEGDA:

Poly(ethylene glycole) diacrilate

PEI:

Polyethyleneimine

PIC:

Phase inversion composition

PL:

Polylisine

PLA:

Poly(lactic acid)

PLGA:

Poly(lactic-co-glycolic acid)

PS:

Polystyrene

PVA:

Poly(vinyl alcohol)

PVP:

Poly(N-vinylpurrolidone)

RBP:

Retinol binding protein

SR:

Scavenger receptor

TR:

Transferrin receptor

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Acknowledgement

Financial support from MINECO/FEDER (grants RTC-2015-3751-1, SAF2015-64927-C2-1-R and SAF2015-64927-C2-2-R) is acknowledged. Cristina Fornaguera is grateful to MINECO for the Postdoctoral Fellowship (grant Torres Quevedo 2016).

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No potential conflict of interest was reported by the authors.

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Correspondence to C. Fornaguera .

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Fornaguera, C., Castells-Sala, C., Borrós, S. (2019). Unraveling Polymeric Nanoparticles Cell Uptake Pathways: Two Decades Working to Understand Nanoparticles Journey to Improve Gene Therapy. In: Turksen, K. (eds) Cell Biology and Translational Medicine, Volume 9. Advances in Experimental Medicine and Biology(), vol 1288. Springer, Cham. https://doi.org/10.1007/5584_2019_467

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