Variation analysis of tousled like kinase 1 gene in patients with sporadic premature ovarian insufficiency

Xu X1,2Su S1Cao Y1Zhao S1Li W3Qin Y1.

Gynecol Endocrinol. 2019 Jul 31:1-3. doi: 10.1080/09513590.2019.1630606. [Epub ahead of print]

 

 

Abstract

Tousled like kinase 1 (TLK1), a member of DNA repair family, participates in the regulation of chromatin assembly and is associated with early menopause and premature ovarian insufficiency (POI) in European women. However, whether the sequence variant in the TLK1 gene was causative for POI is still elusive. Here we performed direct sequencing of the TLK1 gene in 192 patients with sporadic POI. All exons and exon-intron boundaries of TLK1 were amplified and sequenced. Six known single-nucleotide polymorphisms were identified in POI, including rs149844334, rs11553951, rs757600673, rs2277339, rs113416007 and rs17283147. No novel variant was identified, which indicates that sequence variants in the coding region of TLK1 might be uncommon in Chinese women with POI. The role of TLK1 in POI pathogenesis needs to be further explored in larger cohorts from Chinese and other ethnic populations.

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