2014
DOI: 10.1007/s00726-014-1857-1
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Arginine deprivation affects glioblastoma cell adhesion, invasiveness and actin cytoskeleton organization by impairment of β-actin arginylation

Abstract: A deficit of exogenous arginine affects growth and viability of numerous cancer cells. Although arginine deprivation-based strategy is currently undergoing clinical trials, molecular mechanisms of tumor cells’ response to arginine deprivation are not yet elucidated. We have examined effects of arginine starvation on cell motility, adhesion and invasiveness as well as on actin cytoskeleton organization of human glioblastoma cells. We observed for the first time that arginine, but not lysine, starvation affected… Show more

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Cited by 48 publications
(51 citation statements)
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“…In addition to the prognostic role of arginine, it could be considered as a potential stratification biomarker for arginine depletion strategies. Arginine deprivation can impact glioblastoma cell adhesion, invasiveness and actin cytoskeleton organization and induce cytotoxic to human glioblastoma cells …”
Section: Discussionmentioning
confidence: 99%
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“…In addition to the prognostic role of arginine, it could be considered as a potential stratification biomarker for arginine depletion strategies. Arginine deprivation can impact glioblastoma cell adhesion, invasiveness and actin cytoskeleton organization and induce cytotoxic to human glioblastoma cells …”
Section: Discussionmentioning
confidence: 99%
“…29 In addition to the prognostic role of arginine, it could be considered as a potential stratification biomarker for arginine depletion strategies. Arginine deprivation can impact glioblastoma cell adhesion, invasiveness and actin cytoskeleton organization 30 and induce cytotoxic to human glioblastoma cells. 31,32 Similar to the positive prognostic impact of plasma arginine in glioblastoma, methionine, an essential neutral amino acid, was also found to be a positive prognosticator.…”
Section: Discussionmentioning
confidence: 99%
“…19, 5 2017 дефицита аргинина на клетки глиобластомы че-ловека [16]. В этой модели культивирование кле-ток в среде без аргинина приводило к значитель-ному снижению их подвижности, адгезивности и инвазивности.…”
Section: Discussionunclassified
“…Описанные эффекты носили обратимый характер, так как добавление аргинина в среду для культивирования приводило к быстрому восстановлению морфологии и структуры ци-тоскелета уже через 3 часа. Авторы доказывают, что обнаруженные эффекты были обусловлены специфическими нарушениями организации ак-тинового цитоскелета, вызванными дефицитом аргинилирования бета-актина [16]. В нашем исследовании добавление экзогенно-го аргинина в культуральную среду с супернатан-тами приводило только к частичному восстанов-лению морфологии клеток и структуры ламеллы, а заметное восстановление размера и формы кле-ток происходило только в случае культивирова-ния их с АД.…”
Section: Discussionunclassified
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