Results 131 to 140 of about 618,834 (263)

Nance‐Horan Syndrome: Further Delineation of the Affected Male and the Female Carrier Phenotypes

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Nance‐Horan syndrome (NHS; OMIM 302350) is a rare, X‐linked syndrome characterized by bilateral congenital cataracts leading to profound vision loss, specific dental anomalies including characteristic screwdriver blade‐shaped incisors, facial anomalies, and intellectual disability.
Maria K. Haanpää   +14 more
wiley   +1 more source

Non‐RASopathy Genetic Syndromes Identified as the Molecular Cause of Disease in Patients Previously Diagnosed With Noonan Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Noonan Syndrome (NS) is a clinically and genetically heterogeneous condition characterized by typical facial dysmorphisms, short stature, congenital heart defects, and developmental delays. While variants in genes such as PTPN11, SOS1, and RAF1 account for most genetically confirmed cases, diagnosis is challenging due to phenotypic overlap ...
Gabriela Jeesoo Kim   +9 more
wiley   +1 more source

GATA3 Deletion Associated With Juvenile Idiopathic Arthritis: Expanding the Phenotypic Spectrum of Hypoparathyroidism, Sensorineural Deafness, and Renal Dysplasia (HDR) Syndrome

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Hypoparathyroidism, sensorineural deafness, and renal dysplasia (HDR) syndrome is caused by pathogenic variants in the GATA3 gene located on chromosome 10p14. Here we present a 10‐year‐old girl with HDR syndrome who also has oligoarticular juvenile idiopathic arthritis (JIA).
Lauren N. Meiss   +8 more
wiley   +1 more source

Variant Update on ASCC1: Characterization of the First Homozygous Missense Variant Involved in Prenatal‐Onset Spinal Muscular Atrophy With Congenital Bone Fractures 2

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Spinal muscular atrophy with congenital bone fractures 2 is a rare and severe autosomal recessive neuromuscular disorder caused by pathogenic variants in ASCC1. This condition characterized by prenatal onset of severe hypotonia with fetal hypokinesia and congenital contractures results in arthrogryposis multiplex congenita, and increased ...
A. Civit   +16 more
wiley   +1 more source

Genotypes and Phenotypes of Patients With TSPEAR‐Related Disorder: Evidence of a Predominant Dental Phenotype

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT TSPEAR (chr. 21q22.3) encodes a protein involved in tooth development and is predominantly expressed in the enamel knot. Biallelic loss of function variants in TSPEAR cause ectodermal dysplasia, tooth agenesis and sensorineural hearing loss. However, the role of TSPEAR in auditory processes is unclear.
Debora Vergani   +17 more
wiley   +1 more source

Treg Cells Modulate Neuroinflammation and Behavioral Deficits in Autism: Evidence From MR‐Based Genetic Analyses and Experimental Models

open access: yesAmerican Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT Autism spectrum disorder (ASD) is a neurodevelopmental condition that is increasingly linked to immune dysfunction and neuroinflammation. Regulatory T cells (Tregs), which are crucial in maintaining immune homeostasis, have been implicated in the pathogenesis of ASD.
Zuqing Nie   +9 more
wiley   +1 more source

Descriptive Epidemiology From the Myhre Syndrome Foundation Registry: The Value of Self‐Reported Data

open access: yesAmerican Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView.
ABSTRACT Myhre syndrome is an ultrarare genetic disease characterized by short stature, distinct craniofacial features, cardiovascular and respiratory fibrosis and stenosis, neurodevelopmental delays, autism, intellectual disability, and hearing loss. The natural history of Myhre syndrome is still not fully understood due to a small patient population ...
Mary K. Young   +6 more
wiley   +1 more source

Identification of Compound Heterozygous CYP11A1 Variants via Reanalysis of Clinical Sequencing Data

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT A molecular diagnosis is currently achievable in approximately 50% of patients assessed by clinical geneticists at tertiary care centres. Next‐Generation Sequencing Panels contain a defined group of genes associated with a clinically defined set of phenotypes.
Ana Acosta Bedón   +10 more
wiley   +1 more source

Variants in AKR1D1 and Infant Mortality: Should Bile Acid Screening be a Routine Part of Newborn Screening?

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT Biallelic pathogenic variants in AKR1D1 cause Δ4‐3‐oxosteroid 5β‐reductase deficiency, disrupt bile acid synthesis, and result in Congenital Bile Acid Synthesis defect type 2 (CBAS2). CBAS2 presents in infancy with cholestasis, coagulopathy, and failure to thrive.
Jade Hudson   +3 more
wiley   +1 more source

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