DYRK1A Syndrome (OMIM #614104) is caused by pathogenic variations in the DYRK1A gene located on 21q22. Haploinsufficiency of DYRK1A causes a syndrome with global psychomotor delay and intellectual disability. Low birth weight, growth restriction with feeding difficulties, stature insufficiency, and microcephaly are frequently reported. This study aims to create specific growth charts for individuals with DYRK1A Syndrome and identify parameters for size prognosis. Growth parameters were obtained for 92 individuals with DYRK1A Syndrome (49 males vs. 43 females). The data were obtained from pediatric records, parent reporting, and scientific literature. Growth charts for height, weight, body mass index (BMI), and occipitofrontal circumference (OFC) were generated using generalized additive models through R package gamlss. The growth curves include height, weight, and OFC measurements for patients aged 0-5 years. In accordance with the literature, the charts show that individuals are more likely to present intrauterine growth restriction with low birth weight and microcephaly. The growth is then characterized by severe microcephaly, low weight, and short stature. This study proposes growth charts for widespread use in the management of patients with DYRK1A syndrome.
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http://dx.doi.org/10.1002/ajmg.a.63412 | DOI Listing |
A growing number of therapies are being developed to target the cell cycle machinery for the treatment of cancer and other human diseases. Consequently, a greater understanding of the factors regulating cell cycle progression becomes essential to help enhance the response to these new therapies. Here, using data from the Cancer Dependency Map, we identified the poorly-studied factor FAM53C as a new regulator of cell cycle progression.
View Article and Find Full Text PDFZhonghua Yi Xue Yi Chuan Xue Za Zhi
December 2024
Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, Henan 450003, China.
As the most common chromosomal disorder compatible to life, Down syndrome (DS) is caused by an extra copy of chromosome 21. Almost all DS patients have cognitive dysfunction. Therefore, it is important to study the underlying pathogenetic mechanism to elucidate its molecular basis.
View Article and Find Full Text PDFmedRxiv
November 2024
Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry, The Sahlgrenska Academy at University of Gothenburg, Mölndal, Sweden.
Acta Neurol Belg
November 2024
Department of Medical Genetics, Ankara Etlik City Hospital, Varlık District, Halil Sezai Erkut Street, No. 5, Yenimahalle, 06170, Ankara, Türkiye.
Introduction: DYRK1A syndrome, also known as "Intellectual developmental disorder, autosomal dominant 7," is a syndromic intellectual disability characterized by dysmorphic features including deep-set eyes, prominent ears, and retrognathia. Patients have neurodevelopmental problems, ocular anomalies, and multisystem phenotypes. Most cases result from single nucleotide variants causing DYRK1A-haploinsufficiency, while deletions occur in < 15% of cases.
View Article and Find Full Text PDFJ Enzyme Inhib Med Chem
December 2024
Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.
Dual-specificity tyrosine-regulated kinase 1 A (DYRK1A) is crucial in neurogenesis, synaptogenesis, and neuronal functions. Its dysregulation is linked to neurodegenerative disorders like Down syndrome and Alzheimer's disease. Although the development of DYRK1A inhibitors has significantly advanced in recent years, the selectivity of these drugs remains a critical challenge, potentially impeding further progress.
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