The inflammation markers in serum of tumor-bearing rats after plasmonic photothermal therapy

doi:10.1117/12.2289369

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DOI Доступ к ресурсу на сайте издателя			10.1117/12.2289369

#фототермическая терапия

#золотые наностержни

#опухоли

#крысы

Title: The inflammation markers in serum of tumor-bearing rats after plasmonic photothermal therapy
Creator: Maslyakova, Galina N.
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Terentyuk, Georgy S.
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Afanasyeva, Galina A.
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Navolokin, Nikita A.
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Zakharova, Natalia B.
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Khlebtsov, Boris N.
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Khlebtsov, Nikolaj G.
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Bashkatov, Alexey N.
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Genina, Elina A.
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Bucharskaya, Alla B.
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Tuchin, Valery V.
Date: 2018
DOI: 10.1117/12.2289369
Description: We report on plasmonic photothermal therapy of rats with inoculated cholangiocarcinoma through the intratumoral injection of PEG-coated gold nanorods followed by CW laser light irradiation. The length and diameter of gold nanorods were 41±8 nm and 10±2 nm, respectively; the particle mass-volume concentration was 400 μg/mL, which corresponds to the optical density of 20 at the wavelength 808 nm. The tumor-bearing rats were randomly divided into three groups: (1) without any treatment (control); (2) with only laser irradiation of tumor; (3) with intratumoral administration of gold nanorods and laser irradiation of tumors. An hour before laser irradiation, the animals were injected intratumorally with gold nanorod solutions in the amount of 30% of the tumor volume. The infrared 808-nm laser with power density of 2.3 W/cm2 was used for plasmonic photothermal therapy (PTT). The withdraw of animals from the experiment was performed 24 h after laser exposure. The content of lipid peroxidation products and molecular markers of inflammation (TNF-α, IGF-1, VEGF-C) was determined by ELISA test in serum of rats. The standard histological techniques with hematoxylin and eosin staining were used for morphological examination of tumor tissues. It was revealed that the significant necrotic changes were noted in tumor tissue after plasmonic photothermal therapy, which were accompanied by formation of inflammatory reaction with release of proinflammatory cytokines and lipid peroxidation products into the bloodstream.

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collection(s): Научное управление
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Proceedings of SPIE. 2018. Vol. 10495 : Biophotonics and Immune Responses XIII, 3 May 2018, San Francisco, California, United States. P. 04950X-1-104950X-6
Language: eng

Created: 30-10-2018

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Научное управление The inflammation markers in serum of tumor-bearing rats after plasmonic photothermal therapy