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Basic Principles of Nanotoxicology

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Biomedical Nanomaterials
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Abstract

The need for using multifunctional nanomaterials and nanobiotechnologies is determined by a broad development of modern industries like agriculture, pharmaceutics, and medicine. However, the non-addressed action of anticancer drugs causes severe adverse effects in the body, which is a big problem in antitumor chemotherapy. This problem might be circumvented via immobilization of traditional antitumor drugs on the nanoplatforms of various structure that might increase the effectiveness of action of antitumor drugs, as well as reduce their overall toxicity in the organism. Another problem that appears upon using traditional antitumor chemotherapy is rapid development of multiple drug resistance of malignant neoplasms, mainly caused by functioning of special transport system in plasma membrane of cells. Developed nanocarriers could make the anticancer drugs “invisible” for this system.

At first glance, the problem of poor water solubility of many natural (e.g., taxol) and synthetic (various heterocyclic compounds) antitumor substances appears simple, but in fact, it is quite difficult to solve. These substances are well soluble only in organic solvents (e.g., dimethyl sulfoxide) that are highly toxic to the body. The use of specific nanoplatforms for immobilization of biologically active substances, poorly soluble in water, has a number of advantages, including biocompatibility, the ability to choose the desired size, architecture of the molecule, and its chemical functionalization. Chemical and physicochemical properties of these nanoplatforms are designed to make them convenient for conjugation of various medicines, including antitumor drugs.

Up until recent decades, the environmental impact of nanomaterials widely used for the biomedical goals got out of the scope of investigators. However, presently, it is clearly understandable that due to an increased effectiveness of the biological action, the biomedical nanomaterials might be even more dangerous for the living organisms, including humans, than the traditional medicines.

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Abbreviations

ALT:

Alаnine aminotransferase

AST:

Aspartate aminotransferase

AST/ALT:

De Ritis coefficient

BBB:

Blood-brain barrier

BTB:

Blood-tumor barrier

CPP:

Cell-penetrating peptide

DMAEM:

2-(Dimethylamino)ethyl methacrylate

DNA:

Deoxyribonucleic acid

D-Pt:

D-pantethine

ED50:

Half-maximal effective dose

EGF-R:

Epidermal growth factor receptor

EPR:

Enhanced Permeability and Retention

EROD:

Microsomal 7-ethoxyresorufin O-deethylase

FDA:

Food and Drug Administration

FITC:

Fluorescein isothiocyanate

HER-2:

Human epidermal growth factor receptor 2

LDH:

Lactate dehydrogenase

MDR:

Multiple drug resistance

Me-NC:

Metal-containing nanocomposite

mіRNA:

Micro ribonucleic acid

MPS:

Mononuclear phagocytic system

mRNA:

Messenger ribonucleic acid

MRP:

Multidrug resistance associated protein

MTs:

Metallothioneins

NA:

Nuclear abnormalities

NC:

Nanocomposite

p53KO:

Knock-out in p53 gene

PARP:

Poly (ADP-ribose) polymerase

PD:

Pharmacodynamics

PEG:

Polyethylene glycol

Pgp:

P-glycoprotein

PK:

Pharmacokinetics

poly(VEP-GMA)-graft-PEG:

Synthetic polymer

RECOOP HST:

Regional Cooperation in the Fields of Health, Science and Technology

ROS:

Reactive oxygen species

SeMet:

Selenomethionine

Sna:

Snail, zinc-finger transcription factor

TD50:

Half-maximal toxic dose

TNF:

Tumor necrosis factor

Vtg-LP:

Vitellogenin-like proteins

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Acknowledgements

Cedars-Sinai Medical Center’s International Research and Innovation in Medicine Program and the Association for Regional Cooperation in the Fields of Health, Science, and Technology (RECOOP HST) Association is acknowledged for providing the conference platform for the discussion of the NanoBioTech problems that arose in this work. The author thanks Nataliya Finiuk, PhD, for her help in the preparation of the reference list.

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Stoika, R. (2022). Basic Principles of Nanotoxicology. In: Stoika, R.S. (eds) Biomedical Nanomaterials. Springer, Cham. https://doi.org/10.1007/978-3-030-76235-3_7

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  • DOI: https://doi.org/10.1007/978-3-030-76235-3_7

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-76234-6

  • Online ISBN: 978-3-030-76235-3

  • eBook Packages: EngineeringEngineering (R0)

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