2-year-old S’pore boy is one of estimated 400 in world with disease caused by single altered gene
Zhu-Tokita-Takenouchi-Kim syndrome was identified in 2016 and affects brain development.
Tizane Woo, a young mother from Singapore, learned during her 20-week prenatal scan that her unborn son, Teyden Hamilton Ho, had an unusual condition. At the age of 15 months, Teyden was diagnosed with Zhu-Tokita-Takenouchi-Kim (ZTTK) syndrome, a rare genetic disorder that affects brain development. ZTTK syndrome is caused by a single mutated gene on a non-sex chromosome, and only about 400 people worldwide are believed to have the condition.
Its symptoms include intellectual and cognitive impairments, developmental delays, and neurological complications. Despite the challenges, Teyden's parents remain positive, and he attends physiotherapy sessions to improve his motor function. Teyden now attends an early intervention program at Fei Yue EIPIC Centre, where he continues to make progress.
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