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Kleefstra Syndrome
Kleefstra Syndrome

An information page about a rare genetic syndrome

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Kleefstra Syndrome
Kleefstra Syndrome

An information page about a rare genetic syndrome

Tag: intellectual disability

Research

Greek study describes two new genetic mutations of EHMT1 and highlights the broad spectrum of Kleefstra syndrome

Katerina Tzimourta,
August 18, 2025August 20, 2026

Two children with the same diagnosis can have a very different course. In Kleefstra syndrome...

Research

Kleefstra syndrome is broader than previously thought: what the largest EHMT1 study in 209 individuals showed

Katerina Tzimourta,
September 12, 2024August 20, 2026

For many years, the classic description of Kleefstra syndrome was based primarily on individuals with relatively...

Research

Speech, language and communication in Kleefstra syndrome: what an international study of 103 individuals showed

Katerina Tzimourta,
June 11, 2024August 21, 2026

Speech delay is one of the most frequently reported characteristics in Kleefstra syndrome….

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