Clinical findings and a DNA methylation signature in kindreds with alterations in ZNF711.

Scientists studied 20 new families with changes in a gene called ZNF711 that causes mild intellectual disability in boys. Half of the children also had autism. Unlike some genetic conditions, these children didn't have obvious physical differences or major health problems. Mothers who carry the gene change aren't affected. Researchers found a special test that can help doctors confirm if a child has this condition.

This study reports on 20 new cases of ZNF711 gene alterations causing X-linked intellectual disability, adding to 11 previously reported cases. ZNF711 is one of eleven zinc-finger genes on the X chromosome associated with intellectual disability. The research found no consistent physical abnormalities, growth issues, or neurological findings in affected individuals. Intellectual disability was typically mild, with autism co-occurring in approximately half of cases.

Female carriers showed no manifestations. Researchers identified a specific DNA methylation signature that can help diagnose new cases and confirm whether gene variants are disease-causing, providing a valuable diagnostic tool for clinicians.

Clinicians should consider ZNF711 testing in males with mild intellectual disability, especially when autism is present. The methylation signature offers a confirmatory diagnostic tool. Families can be counseled that physical abnormalities are unlikely, and female carriers are typically unaffected.

Study type not specified in the abstract. Sample characteristics and methodology unclear. No control group mentioned. Limited detail on how autism diagnosis was determined. Unclear follow-up duration or assessment methods used.

ZNF711 is one of eleven zinc-finger genes on the X chromosome that have been associated with X-linked intellectual disability. This association is confirmed by the clinical findings in 20 new cases in addition to 11 cases previously reported. No consistent growth aberrations, craniofacial dysmorphology, malformations or neurologic findings are associated with alterations in ZNF711. The intellectual disability is typically mild and coexisting autism occurs in half of the cases.

Carrier females show no manifestations. A ZNF711-specific methylation signature has been identified which can assist in identifying new cases and in confirming the pathogenicity of variants in the gene.