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ISSN 2410-7751 (Print)
ISSN 2410-776X (Online)

 

Biotechnologia Acta V. 13, No 2, 2020
Р. 65-79, Bibliography 74, English
Universal Decimal Classification: 577.25: 577.23
https://doi.org/10.15407/biotech13.02.065

THE PEPTIDOGLYCAN FRACTION ENRICHED WITH MURAMYL PENTAPEPTIDE FROM Lactobacillus bulgaricus INHIBITS GLIOBLASTOMA U373MG CELL MIGRATION CAPABILITY AND UPREGULATES PARP1 AND NF-kB LEVELS

V. S. Nedzvetsky1, 2, C. A. Agca1, G. Baydas3

1Bing?l University, Selahaddin-i Eyyubi Mah, Merkez/Bing?l, Turkey
2Oles Honchar Dnipro National University, Dnipro, Ukraine
3Altinbash University, Mahmutbey, Ba?c?lar/?stanbul, Turkey

Peptidoglycan is a universal component of bacterial walls that exerts various biological activities, including tumoricidal effect. Anti-cancer effect of various peptidoglycan fractions and their derivates is different. Muramyl pentapeptide (MPP) is the most complete building block of peptidoglycan. MPP can stimulate cell reactivity as well as other muropeptides. In the present study, we evaluated inhibitory MPP effect on viability and migration of glioblastoma cells U373MG. As markers of cell reactivity we determined the amounts of proteins PARP1 and NF-kB. MPP exposure induced decrease in viability and migration activity of glioblastoma cells. Besides, MPP treatment increased the amounts of PARP1 and NF-kB in a dose-dependent manner. Furthermore, NADH level in exposed glioblastoma cells was depleted as compared to control. Thus, MPP exhibits tumoricidal effect in glioblastoma cells U373MG via depletion NADH content and consequently metabolic energy level. Moreover, upregulation of the amounts of PARP1 and NF-kB in glioblastoma cells could be an important mechanism of the inhibition of cell migrative capability and the progress of the tumor.

The obtained results evidenced that muramyl pentapeptide could initiate lack of migration via metabolic energy expenditure as a result of gliotypic reactivity. Further studies are actual and extremely required to clarify tumoricidal effect of this muropeptide in glia-derived tumors.

Key words: peptidoglycan, muramyl pentapeptide, PARP1, NF-kB, glioblastoma U373MG, cell reactivity.

© Palladin Institute of Biochemistry of National Academy of Sciences of Ukraine, 2020

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