Assessment of the and Antitumor Activity of Hemocyanins from , , and in a Graffi Myeloid Tumor Model

Overview

Journal Biomedicines

Specialty Biomedical Engineering

Date 2023 Jun 28

PMID 37371641

Authors

Ani Georgieva

Katerina Todorova

Ivan Iliev

Valeria Dilcheva

Ivelin Vladov

Svetlozara Petkova

Aleksandar Dolashki

Lyudmila Velkova

Pavlina Dolashka

Reneta Toshkova

Affiliations

Soon will be listed here.

Abstract

Hemocyanins are oxygen-transporting glycoproteins in the hemolymph of some invertebrate species that attracted scientific interest as potential anticancer agents. The present study aims to assess the and anticancer activity of hemocyanins isolated from , , and in the Graffi myeloid tumor model. The antitumor activity of the hemocyanins was determined by a MTT test and cytomorphological analysis by fluorescent and transmission electron microscopy. The effects of the hemocyanins were examined in hamsters transplanted with Graffi tumor. The serum antibody titers against the tested hemocyanins and tumor antigen were determined by ELISA. Histopathological assessment of the morphological features related to antitumor effect, immune system response, and toxicity in some internal organs was performed. The results of studies indicated that the tested hemocyanins induced significant antiproliferative and apoptogenic effects. The investigations demonstrated a protective antitumor effect, expressed in reduced transplantability, suppression of tumor growth and metastasis, reduced mortality, prolonged survival time, and absence of toxic side effects. The present study indicated that the antitumor activity of the studied hemocyanins was due to both immune stimulation and direct effects on the tumor cells, and they displayed their potential as therapeutic agents against hematological malignances.

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