Mannose is crucial for mesoderm specification and symmetry breaking in gastruloids
Mannose is crucial for mesoderm specification and symmetry breaking in gastruloids
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甘露糖对于类原肠胚中胚层的规范和对称性破坏至关重要
DOI:
10.1101/2023.06.05.543730
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Dingare C
中科院分区:
文献类型:
--
作者:
Dingare C
Patterning and growth are fundamental features of embryonic development that must be tightly coordinated during morphogenesis. As metabolism can control cell growth while also providing mechanistic links to developmental signalling pathways, it is ideally placed to enable this coordination. To understand how metabolism impacts early mesoderm specification, we used mouse embryonic stem (ES) cell-derived gastruloids, as these enable temporal control over metabolic manipulations and can be generated in large quantities. Gastruloids show mosaic expression of two glucose transporters, Slc2a1 and Slc2a3 both of which co-express with the expression of both the mesodermal marker T/Bra and the neural marker Sox2. To understand the significance of cellular glucose uptake in development, we used the glucose metabolism inhibitor 2-deoxy-D-glucose (2-DG). 2-DG specifically blocks the expression of T/Bra without affecting the expression of Sox2 and abolishes axial elongation in gastruloids. Surprisingly, removing glucose completely from the medium did not phenocopy 2-DG treatment despite a significant decline in glycolytic intermediates occurring under both conditions. As 2-DG can also act as a competitive inhibitor of mannose, we added mannose together with 2-DG and found that it could rescue the mesoderm specification. Together, our results show that while mannose is crucial for mesoderm specification, the glycolytic pathway is dispensable at early stages of T/Bra expression in gastruloids.
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影响因子:
11.8
作者:
Guibentif C;Griffiths JA;Imaz-Rosshandler I;Ghazanfar S;Nichols J;Wilson V;Göttgens B;Marioni JC
通讯作者:
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DOI:
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2007
期刊:
影响因子:
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DOI:
10.1242/dev.200679
发表时间:
2022-10-15
期刊:
Development (Cambridge, England)
影响因子:
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作者:
通讯作者:
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影响因子:
4.8
作者:
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通讯作者:
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DOI:
--
发表时间:
1950
期刊:
影响因子:
--
作者:
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通讯作者:
N. Spratt