Schuurs-Hoeijmakers Syndrome (PACS1 Neurodevelopmental Disorder): Seven Novel Patients and a Review

Jair Tenorio-Castaño, Beatriz Morte, Julián Nevado, Víctor Martinez-Glez, Fernando Santos-Simarro, Sixto García-Miñaúr, María Palomares-Bralo, Marta Pacio-Míguez, Beatriz Gómez, Pedro Arias, Alba Alcochea, Juan Carrión, Patricia Arias, Berta Almoguera, Fermina López-Grondona, Isabel Lorda-Sanchez, Enrique Galán-Gómez, Irene Valenzuela, María Pilar Méndez Perez, Ivón CuscóFrancisco Barros, Juan Pié, Sergio Ramos, Feliciano J. Ramos, Alma Kuechler, Eduardo Tizzano, Carmen Ayuso, Frank J. Kaiser, Luis A. Pérez-Jurado, Ángel Carracedo, Pablo Lapunzina


Schuurs-Hoeijmakers syndrome (SHMS) or PACS1 Neurodevelopmental disorder is a rare disorder characterized by intellectual disability, abnormal craniofacial features and congenital malformations. SHMS is an autosomal dominant hereditary disease caused by pathogenic variants in the PACS1 gene. PACS1 is a trans-Golgi-membrane traffic regulator that directs protein cargo and several viral envelope proteins. It is upregulated during human embryonic brain development and has low expression after birth. So far, only 54 patients with SHMS have been reported. In this work, we report on seven new identified SHMS individuals with the classical c.607C > T: p.Arg206Trp PACS1 pathogenic variant and review clinical and molecular aspects of all the patients reported in the literature, providing a summary of clinical findings grouped as very frequent (≥75% of patients), frequent (50-74%), infrequent (26-49%) and rare (less than ≤25%).

Original languageEnglish
Article number738
Issue number5
Publication statusPublished - 13.05.2021

Research Areas and Centers

  • Research Area: Medical Genetics


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