Myeloid ecotropic insertion site 2 (MEIS2) gene, encoding a homeodomain-containing transcription factor, has been recently related to syndromic intellectual disability with cleft palate and cardiac defects. Here, we present a male patient, aged 10, with cardiac defects, intellectual disability, facial dysmorphisms and gastroesophageal reflux. Whole exome sequencing revealed a novel de novo nonsense mutation in the MEIS2 gene. This patient represents another reported case with a de novo MEIS2 point mutation and helps to characterize a distinct facial phenotype consisting in low anterior hairline, thin eyebrows, anteverted nares, hypoplastic alae nasi, and M-shape upper lip. Furthermore, these data confirm the role of this gene in cardiac, nervous system development and gastrointestinal function.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1016/j.ejmg.2019.01.017 | DOI Listing |
BMC Pediatr
January 2025
Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Women and Children's Healthcare Hospital, 123 Tianfei Alley, Nanjing, 210004, People's Republic of China.
Background: Chromosomal inversions are underappreciated causes of rare diseases given their detection, resolution, and clinical interpretation remain challenging. Heterozygous mutations in the MEIS2 gene cause an autosomal dominant syndrome characterized by intellectual disability, cleft palate, congenital heart defect, and facial dysmorphism at variable severity and penetrance.
Case Presentation: Herein, we report a Chinese girl with intellectual disability, developmental delay, and congenital heart defect, in whom G-banded karyotype analysis identified a de novo paracentric inversion 46,XX, inv(15)(q15q26.
Front Pediatr
December 2024
Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education (MOE), Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China.
This case is the first reported patient with a gene mutation who primarily exhibits pronounced inattention as the main manifestation and is diagnosed with ADHD, requiring methylphenidate treatment. It is characterized by unique clinical features that set it apart from previously reported cases with mutations in the gene. Here, we report a female child with a diagnosis of ADHD and comorbidities.
View Article and Find Full Text PDFArterioscler Thromb Vasc Biol
January 2025
Division of Cardiology, Department of Medicine, University of Washington (S.S., S.J., N.S., C.Y.L., L.L., D.A.D.).
Exp Eye Res
December 2024
Department of Medical Genetics, University of British Columbia, Life Sciences Institute, 2350 Health Sciences Mall, Vancouver, BC, V6T 1Z3, Canada. Electronic address:
The Mitf transcription factor is a critical regulator of the melanocyte lineage and eye development. Mitf activity in different cell types is controlled in part by ten alternative promoters and their resulting isoforms. A useful tool for melanocyte-based research, Mitf-cre was designed to express Cre from the Mitf-M promoter, which is melanocyte specific.
View Article and Find Full Text PDFCardiovasc Res
December 2024
Cardiovascular Regeneration Program, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029, Spain.
Aims: The Cardiac Conduction System (CCS) is progressively specified during development by interactions among a discrete number of Transcriptions Factors that ensure its proper patterning and the emergence of its functional properties. Meis genes encode homeodomain transcription factors (TFs) with multiple roles in mammalian development. In humans, Meis genes associate with congenital cardiac malformations and alterations of cardiac electrical activity, however the basis for these alterations has not been established.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!