Investigation of oncolytic potential of vaccine strains of yellow fever and tick-borne encephalitis viruses against glioblastoma and pancreatic carcinoma cell lines
INTRODUCTION: Flaviviruses, possessing natural neurotropicity could be used in glioblastoma therapy using attenuated strains or as a delivery system for antitumor agents in an inactivated form.
OBJECTIVE: To investigate the sensitivity of glioblastoma and pancreatic carcinoma cell lines to vaccine strains of yellow fever and tick-borne encephalitis viruses.
MATERIALS AND METHODS: Cell lines: glioblastoma GL-6, T98G, LN-229, pancreatic carcinoma MIA RaCa-2 and human pancreatic ductal carcinoma PANC-1. Viral strains: 17D yellow fever virus (YF), Sofjin tick-borne encephalitis virus (TBEV). Virus concentration were determined by plaque assay and quantitative PCR. Determination of cell sensitivity to viruses by MTT assay.
RESULTS: 17D YF was effective only against pancreatic carcinoma tumor cells MIA Paca-2 and had a limited effect against PANC-1. In glioblastoma cell lines (LN229, GL6, T98G), virus had no oncolytic effect and the viral RNA concentration fell in the culture medium. Sofjin TBEV showed CPE50 against MIA Paca-2 and a very limited cytotoxic effect against PANC-1. However, it had no oncolytic effect against glioblastoma cell lines (LN229, T98G and GL6), although virus reproduction continued in these cultures. For the GL6 glioblastoma cell line, the viral RNA concentration at the level with the infection dose was determined within 13 days, despite medium replacement, while in the case of the LN229 cell line, the virus concentration increased from 1 × 109 to 1 × 1010 copies/ml.
CONCLUSION: Tumor behavior in organism is more complex and is determined by different microenvironmental factors and immune status. In the future, it is advisable to continue studying the antitumor oncolytic and immunomodulatory effects of viral strains 17D YF and Sofjin TBEV using in vivo models.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:68 |
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| Enthalten in: |
Voprosy virusologii - 68(2023), 6 vom: 26. Dez., Seite 536-548 |
| Sprache: |
Russisch |
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| Beteiligte Personen: |
Nazarenko, A S [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 01.01.2024 Date Revised 03.01.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.36233/0507-4088-204 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366472151 |
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| 245 | 1 | 0 | |a Investigation of oncolytic potential of vaccine strains of yellow fever and tick-borne encephalitis viruses against glioblastoma and pancreatic carcinoma cell lines |
| 264 | 1 | |c 2023 | |
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| 500 | |a Date Revised 03.01.2024 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a INTRODUCTION: Flaviviruses, possessing natural neurotropicity could be used in glioblastoma therapy using attenuated strains or as a delivery system for antitumor agents in an inactivated form | ||
| 520 | |a OBJECTIVE: To investigate the sensitivity of glioblastoma and pancreatic carcinoma cell lines to vaccine strains of yellow fever and tick-borne encephalitis viruses | ||
| 520 | |a MATERIALS AND METHODS: Cell lines: glioblastoma GL-6, T98G, LN-229, pancreatic carcinoma MIA RaCa-2 and human pancreatic ductal carcinoma PANC-1. Viral strains: 17D yellow fever virus (YF), Sofjin tick-borne encephalitis virus (TBEV). Virus concentration were determined by plaque assay and quantitative PCR. Determination of cell sensitivity to viruses by MTT assay | ||
| 520 | |a RESULTS: 17D YF was effective only against pancreatic carcinoma tumor cells MIA Paca-2 and had a limited effect against PANC-1. In glioblastoma cell lines (LN229, GL6, T98G), virus had no oncolytic effect and the viral RNA concentration fell in the culture medium. Sofjin TBEV showed CPE50 against MIA Paca-2 and a very limited cytotoxic effect against PANC-1. However, it had no oncolytic effect against glioblastoma cell lines (LN229, T98G and GL6), although virus reproduction continued in these cultures. For the GL6 glioblastoma cell line, the viral RNA concentration at the level with the infection dose was determined within 13 days, despite medium replacement, while in the case of the LN229 cell line, the virus concentration increased from 1 × 109 to 1 × 1010 copies/ml | ||
| 520 | |a CONCLUSION: Tumor behavior in organism is more complex and is determined by different microenvironmental factors and immune status. In the future, it is advisable to continue studying the antitumor oncolytic and immunomodulatory effects of viral strains 17D YF and Sofjin TBEV using in vivo models | ||
| 650 | 4 | |a English Abstract | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Oncolytic viruses | |
| 650 | 4 | |a flaviviruses | |
| 650 | 4 | |a glioblastoma cell | |
| 650 | 4 | |a pancreatic carcinoma cell | |
| 650 | 4 | |a tick-borne encephalitis virus | |
| 650 | 4 | |a viral oncolysis | |
| 650 | 4 | |a virus sensitivity | |
| 650 | 4 | |a yellow fever virus | |
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| 650 | 7 | |a RNA, Viral |2 NLM | |
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| 700 | 1 | |a Orlova, E O |e verfasserin |4 aut | |
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| 700 | 1 | |a Ivanova, A L |e verfasserin |4 aut | |
| 700 | 1 | |a Belyakova, A V |e verfasserin |4 aut | |
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| 700 | 1 | |a Ishmukhametov, A A |e verfasserin |4 aut | |
| 700 | 1 | |a Kolyasnikova, N M |e verfasserin |4 aut | |
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