Trinucleotide Repeat Expansion
An increased number of contiguous trinucleotide repeats in the DNA sequence from one generation to the next. The presence of these regions is associated with diseases such as FRAGILE X SYNDROME and MYOTONIC DYSTROPHY. Some CHROMOSOME FRAGILE SITES are composed of sequences where trinucleotide repeat expansion occurs.
Year introduced: 1999(1998)
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Tree Number(s): G02.111.570.080.708.800.140.865, G02.111.570.080.708.800.500.850.200, G05.360.080.708.800.074.865, G05.360.080.708.800.500.850.200, G05.360.340.024.189.220.865, G05.360.340.024.850.500.850.200, G05.365.590.220.865, G05.558.220.865
MeSH Unique ID: D019680
Entry Terms:
- Expansions, Trinucleotide Repeat
- Expansion, Trinucleotide Repeat
- Repeat Expansions, Trinucleotide
- Repeat Expansion, Trinucleotide
- Trinucleotide Repeat Expansions
- Expanded Trinucleotide Repeat
- Expanded Trinucleotide Repeats
- Repeat, Expanded Trinucleotide
- Repeats, Expanded Trinucleotide
- Trinucleotide Repeat, Expanded
- Trinucleotide Repeats, Expanded
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