WHAT DISEASES ARE CAUSED BY TRINUCLEOTIDE REPEATS

What Diseases are Caused by Trinucleotide-Repeats?

X-linked spinal and bulbar muscular atrophy (SBMA) Fragile X syndromes of mental retardation (FRAXA and FRAXE) Myotonic dystrophy Huntington's disease Spinocerebellar ataxia type 1 (SCA1) Dentatorubral-pallidoluysian atrophy (DRPLA) TRDMode of inheritanceRepeats involvedExamples of presentationDentatorubral-pallidoluysian atrophyAutosomal dominantCAG≥49 Chromosome 12Symptom onset is…
TRISOMIES

What are Trisomies?

Trisomies are chromosomal abnormalities that result in pathologic clinical outcomes.Some common trisomies include: Trisomy 8Trisomy 9Trisomy 13Trisomy 18Trisomy 21Trisomy 22