Chapter title |
Experimental Analysis of Imprinted Mouse X-Chromosome Inactivation
|
---|---|
Chapter number | 14 |
Book title |
X-Chromosome Inactivation
|
Published in |
Methods in molecular biology, September 2018
|
DOI | 10.1007/978-1-4939-8766-5_14 |
Pubmed ID | |
Book ISBNs |
978-1-4939-8765-8, 978-1-4939-8766-5
|
Authors |
Marissa Cloutier, Clair Harris, Srimonta Gayen, Emily Maclary, Sundeep Kalantry, Cloutier, Marissa, Harris, Clair, Gayen, Srimonta, Maclary, Emily, Kalantry, Sundeep |
Abstract |
X-chromosome inactivation is a dosage compensation mechanism that equalizes X-linked gene expression between male and female mammals through the transcriptional silencing of most genes on one of the two X-chromosomes in females. With a few key exceptions, once the X-chromosome is inactivated replicated copies of that X-chromosome are maintained as inactive in all descendant cells. X-inactivation is therefore a paradigm of epigenetic inheritance. Imprinted X-inactivation is a specialized form of X-inactivation that results in the silencing of the paternally derived X-chromosome. Due to its parent-of-origin-specific pattern of inactivation, imprinted X-inactivation is a model of mitotic as well as meiotic, i.e., transgenerational, epigenetic inheritance. All cells of the early mouse embryo undergo imprinted X-inactivation, a pattern that is subsequently maintained in extraembryonic cell types in vivo and in vitro. Here, we describe both high- and low-throughput approaches to interrogate imprinted X-inactivation in the mouse embryo as well in cultured extraembryonic stem cells. |
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