2017
Neural Differentiation Is Inhibited through HIF1 alpha/ beta-Catenin Signaling in Embryoid Bodies
VEČEŘA, Josef, Jana KUDOVÁ, Jan KUČERA, Lukáš KUBALA, Jiří PACHERNÍK et. al.Základní údaje
Originální název
Neural Differentiation Is Inhibited through HIF1 alpha/ beta-Catenin Signaling in Embryoid Bodies
Autoři
VEČEŘA, Josef (203 Česká republika, garant, domácí), Jana KUDOVÁ (203 Česká republika), Jan KUČERA (203 Česká republika, domácí), Lukáš KUBALA (203 Česká republika, domácí) a Jiří PACHERNÍK (203 Česká republika, domácí)
Vydání
Stem Cells International, London, HINDAWI LTD, 2017, 1687-966X
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10605 Developmental biology
Stát vydavatele
Velká Británie a Severní Irsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 3.989
Kód RIV
RIV/00216224:14310/17:00095557
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000419057500001
Klíčová slova anglicky
STEM-CELL FATE; HYPOXIA; OXYGEN; HIF; CATENIN
Změněno: 9. 4. 2018 15:50, Ing. Nicole Zrilić
Anotace
V originále
Extensive research in the field of stem cells and developmental biology has revealed evidence of the role of hypoxia as an important factor regulating self-renewal and differentiation. However, comprehensive information about the exact hypoxia-mediated regulatory mechanism of stem cell fate during early embryonic development is still missing. Using a model of embryoid bodies (EBs) derived from murine embryonic stem cells (ESC), we here tried to encrypt the role of hypoxia-inducible factor 1 alpha (HIF1 alpha) in neural fate during spontaneous differentiation. EBs derived from ESC with the ablated gene for HIF1a had abnormally increased neuronal characteristics during differentiation. An increased neural phenotype in Hif1 alpha(-/-) EBs was accompanied by the disruption of beta-catenin signaling together with the increased cytoplasmic degradation of beta-catenin. The knock-in of Hif1 alpha, as well as beta-catenin ectopic overexpression in Hif1 alpha(-/-) EBs, induced a reduction in neural markers to the levels observed in wild-type EBs. Interestingly, direct interaction between HIF1 alpha and beta-catenin was demonstrated by immunoprecipitation analysis of the nuclear fraction of wild-type EBs. Together, these results emphasize the regulatory role of HIF1 alpha in beta-catenin stabilization during spontaneous differentiation, which seems to be a crucial mechanism for the natural inhibition of premature neural differentiation.
Návaznosti
GJ15-13443Y, projekt VaV |
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