FMR1
gene
Also known as: fragile-X mental retardation 1
Learn about this topic in these articles:
epigenomics
- In epigenomics: Epigenomics in medicine
…of cytosines upstream of the FMR1 gene. In this instance, excess methylation of cytosines in the promoter region of the FMR1 gene leads to a silencing of gene expression, and it is this loss of FMR1 gene expression that results in fragile X syndrome.
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fragile-X syndrome
- In fragile-X syndrome
…in a gene known as FMR1 (fragile-X mental retardation 1), which is located in the fragile site of the X chromosome and encodes FMRP. FMR1 contains a repetitive sequence of deoxyribonucleic acid (DNA), made up of triplet repeats of the base pairs cytosine (C) and guanine (G), following the pattern…
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