Article
Accurate and Automated Genotyping of the CFTR Poly-T/TG Tract with CFTR-TIPS.
International journal of molecular sciences - 5 Aug 2024
Ding Qiliang, Hofich Christopher D, Kellogg Tifani B, Kuennen Rhonda K, Paxton Kaitlin N, Thieke Sarah M, Rumilla Kandelaria M, Hasadsri Linda
Abstract excerpt
Cystic fibrosis is caused by biallelic pathogenic variants in the CFTR gene, which contains a polymorphic (TG)mTn sequence (the "poly-T/TG tract") in intron 9. While T9 and T7 alleles are benign, T5 alleles with longer TG repeats, e.g., (TG)12T5 and (TG)13T5, are clinically significant. Thus, professional medical societies currently recommend reporting the TG repeat size when T5 is detected. Sanger sequencing is...
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