Elena Martinez-Cayuelas, Fiona Blanco-Kelly, Fermina Lopez-Grondona, Saoud Tahsin Swafiri, Rosario Lopez-Rodriguez, Rebeca Losada-Del Pozo, Ignacio Mahillo-Fernandez, Beatriz Moreno, Maria Rodrigo-Moreno, Didac Casas-Alba, Aitor Lopez-Gonzalez, Sixto García-Miñaúr, Maria Ángeles Mori, Marta Pacio-Minguez, Emi Rikeros-Orozco, Fernando Santos-Simarro, Jaime Cruz-Rojo, Juan Francisco Quesada-Espinosa, Maria Teresa Sanchez-Calvin, Jaime Sanchez-Del Pozo, Raquel Bernado Fonz, Maria Isidoro-Garcia, Irene Ruiz-Ayucar, Maria Isabel Alvarez-Mora, Raquel Blanco-Lago, Begoña De Azua, Jesus Eiris, Juan Jose Garcia-Peñas, Belen Gil-Fournier, Carmen Gomez-Lado, Nadia Irazabal, Vanessa Lopez-Gonzalez, Irene Madrigal, Ignacio Malaga, Beatriz Martinez-Menendez, Soraya Ramiro-Leon, Maria Garcia-Hoyos, Pablo Prieto-Matos, Javier Lopez-Pison, Sergio Aguilera-Albesa, Sara Alvarez, Alberto Fernández-Jaén, Isabel Llano-Rivas, Blanca Gener-Querol, Carmen Ayuso, Ana Arteche-Lopez, Maria Palomares-Bralo, Anna Cueto-González, Irene Valenzuela, Antonio Martinez-Monseny, Isabel Lorda-Sanchez, Berta Almoguera
BACKGROUND: KBG syndrome is a highly variable neurodevelopmental disorder and clinical diagnostic criteria have changed as new patients have been reported. Both loss-of-function sequence variants and large deletions (copy number variations, CNVs) involving ANKRD11 cause KBG syndrome, but no genotype-phenotype correlation has been reported. METHODS: 67 patients with KBG syndrome were assessed using a custom phenotypical questionnaire. Manifestations present in >50% of the patients and a 'phenotypical score' were used to perform a genotype-phenotype correlation in 340 patients from our cohort and the literature...
November 29, 2022: Journal of Medical Genetics