Dissecting the Functional Consequences of De Novo DNA Methylation Dynamics in Human Motor Neuron Differentiation and Physiology.
Dissecting the Functional Consequences of De Novo DNA Methylation Dynamics in Human Motor Neuron Differentiation and Physiology.
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DOI:
10.1016/j.stem.2018.02.012
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发表时间:
2018-04-05
期刊:
影响因子:
23.9
通讯作者:
Kiskinis E
中科院分区:
文献类型:
--
作者:
Ziller MJ;Ortega JA;Quinlan KA;Santos DP;Gu H;Martin EJ;Galonska C;Pop R;Maidl S;Di Pardo A;Huang M;Meltzer HY;Gnirke A;Heckman CJ;Meissner A;Kiskinis E
The somatic DNA methylation (DNAme) landscape is established early in development, but remains highly dynamic within focal regions that overlap with gene regulatory elements. The significance of these dynamic changes, particularly in the central nervous system, remains unresolved. Here, we utilize a powerful human embryonic stem cell differentiation model for the generation of motor neurons (MNs) in combination with genetic mutations in the de novo DNAme machinery. We quantitatively dissect the role of DNAme in directing somatic cell fate with high-resolution genome-wide bisulfite-, bulk- and single cell-RNA sequencing. We find defects in neuralization and MN differentiation in DNMT3A KOs that are rescued by targeting DNA methylation to key developmental loci using catalytically inactive dCas9. We also find decreased dendritic arborization and altered electrophysiological properties in DNMT3A KO MNs. Our work provides a list of DNMT3A-regulated targets and a mechanistic link between de novo DNAme, cellular differentiation and human MN function. Kiskinis and colleagues demonstrate that DNA methylation dynamics play a central role in the differentiation of human pluripotent stem cells towards highly specialized motor neurons. Through a combination of molecular and functional analysis they identify key transcriptional mediators of these effects and link DNA methylation to neuronal patterning and function.
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影响因子:
14.9
作者:
Kuleshov MV;Jones MR;Rouillard AD;Fernandez NF;Duan Q;Wang Z;Koplev S;Jenkins SL;Jagodnik KM;Lachmann A;McDermott MG;Monteiro CD;Gundersen GW;Ma'ayan A
通讯作者:
Ma'ayan A
影响因子:
25
作者:
Feng, Jian;Zhou, Yu;Campbell, Susan L.;Le, Thuc;Li, En;Sweatt, J. David;Silva, Alcino J.;Fan, Guoping
通讯作者:
Fan, Guoping
影响因子:
64.5
作者:
Okano, M;Bell, DW;Li, E
通讯作者:
Li, E
影响因子:
12.3
作者:
Akalin A;Kormaksson M;Li S;Garrett-Bakelman FE;Figueroa ME;Melnick A;Mason CE
通讯作者:
Mason CE
DOI:
10.1111/j.2517-6161.1995.tb02031.x
发表时间:
1995-01-01
影响因子:
5.8
作者:
BENJAMINI, Y;HOCHBERG, Y
通讯作者:
HOCHBERG, Y