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Published on: June 6, 2016
The spatial and temporal expression pattern of Nesp and its antisense Nespas, in mid-gestation mouse embryos
S T Ball1, C M Williamson, C Hayes
1Mammalian Genetics Unit, Medical Research Council, Harwell, Didcot, Oxfordshire, OX11 0RD, UK.
Mechanisms of Development
|December 19, 2000
Summary
We mapped the expression of Nesp and its antisense transcript, Nespas, during mouse development. These oppositely imprinted genes show distinct spatial patterns in embryonic tissues, suggesting unique roles in development.
Area of Science:
- Developmental Biology
- Genetics
- Genomics
Background:
- Genomic imprinting regulates gene expression based on parental origin.
- Understanding imprinted gene expression is crucial for deciphering developmental processes.
- Nesp and Nespas are oppositely imprinted genes with largely unknown functions.
Purpose of the Study:
- To investigate the spatiotemporal expression patterns of Nesp and Nespas during mouse embryogenesis.
- To determine the precise locations of Nesp and Nespas expression in developing embryonic structures.
- To elucidate the potential roles of these imprinted transcripts in embryonic development.
Main Methods:
- In situ hybridization techniques were employed to visualize transcript localization.
- Analysis focused on various stages of mouse embryonic development.
- Expression patterns were documented in key embryonic tissues.
Main Results:
- Nesp expression was predominantly observed in somites and vasculature.
- Nespas expression was mainly detected in the limb's progress zone, mesenchyme, and ectoderm.
- Distinct and non-complementary expression patterns were identified for Nesp and Nespas.
Conclusions:
- Nesp and Nespas exhibit unique spatiotemporal expression profiles during mouse embryogenesis.
- The non-complementary expression suggests independent regulatory mechanisms and functions.
- Further research is warranted to understand the specific roles of Nesp and Nespas in embryonic development.
