title: Alkaloids of fascaplysin are effective conventional chemotherapeutic drugs, inhibiting the proliferation of C6 glioma cells and causing their deathin vitro.
abstract: Glioblastoma multiforme is an invasive malignant glial brain tumor with a poor prognosis for patients. The primary reasons that lead to the development of treatment resistance are associated with tumor cells infiltrating the brain parenchyma and the specific properties of tumor stem cells. A crucial research area in medical science is the search for effective agents that are able to act on these targets. Fascaplysin alkaloids possess potent antitumor activity. Modern methods for the targeted delivery of drugs reveal extensive possibilities in terms of the clinical use of these compounds. The aim of the present study was to establish effective concentrations of fascaplysin that inhibit the growth and kill the cells of glial tumors, as well as to perform a comparative analysis of fascaplysin's effectiveness in relation to other chemotherapy drugs. C6 glioma cells were utilized as an optimal model of glioblastoma. It was established that fascaplysin at 0.5 µM has a strong cytotoxic effect, which is subsequently replaced by tumor cell death via apoptosis as the length of drug exposure time is increased. Fascaplysin kills glioma cells at a dose higher than 0.5 µM. The efficiency of fascaplysin was observed to significantly exceed that of temozolomide. Therefore, a significant feature of fascaplysin is its ability to inhibit the growth of and kill multipotent tumor cells.
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation; Laboratory of Pharmacology, A.V. Zhirmunski Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russian Federation.
authors.forename: Igor
authors.initials: I
authors.lastname: Bryukhovetskiy
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Irina
authors.initials: I
authors.lastname: Lyakhova
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation; Laboratory of Pharmacology, A.V. Zhirmunski Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russian Federation.
authors.forename: Polina
authors.initials: P
authors.lastname: Mischenko
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation; Laboratory of Pharmacology, A.V. Zhirmunski Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russian Federation.
authors.forename: Elena
authors.initials: E
authors.lastname: Milkina
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Sergei
authors.initials: S
authors.lastname: Zaitsev
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation; Laboratory of Pharmacology, A.V. Zhirmunski Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok 690041, Russian Federation.
authors.forename: Yuri
authors.initials: Y
authors.lastname: Khotimchenko
authors.affiliation: Laboratory of Molecular and Cellular Neurobiology, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation; NeuroVita Clinic of Interventional and Restorative Neurology and Therapy, Moscow 115478, Russian Federation.
authors.forename: Andrey
authors.initials: A
authors.lastname: Bryukhovetskiy
authors.affiliation: Department of Basic Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Alexander
authors.initials: A
authors.lastname: Polevshchikov
authors.affiliation: Department of Basic Medicine, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Igor
authors.initials: I
authors.lastname: Kudryavtsev
authors.affiliation: Department of Pharmacy, School of Biomedicine, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Maxim
authors.initials: M
authors.lastname: Khotimchenko
authors.affiliation: Department of Bioorganic Chemistry, School of Natural Sciences, Far Eastern Federal University, Vladivostok 690091, Russian Federation.
authors.forename: Maxim
authors.initials: M
authors.lastname: Zhidkov
keywords: C6 glioma cells; chemotherapeutic drugs; fascaplysin; glioblastoma multiforme; tumor cells