Results 191 to 200 of about 78,121 (298)

Farnesyltransferase Deficiency in Cardiomyocytes Initiates Senescence and Contributes to Cardiac Fibrosis

open access: yesAdvanced Science, Volume 13, Issue 26, 8 May 2026.
Lipid overload suppresses SREBF2‐mediated FNTB expression, leading to defective Lamin A maturation and nuclear envelope instability. This nuclear catastrophe triggers a pro‐fibrotic senescence program in cardiomyocytes. Notably, restoring nuclear integrity via AAV9‐based gene therapy effectively attenuates cardiac remodeling, identifying the ...
Yuxiao Chen   +16 more
wiley   +1 more source

Genetic and Phenotypic Features of the Five Known Polyaminopathies: A Critical Narrative Review

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 5, Page 993-1003, May 2026.
ABSTRACT Polyaminopathies are a recently described family of rare genetic neurodevelopmental disorders. Polyaminopathies disrupt the biosynthesis of the primary polyamines: putrescine, spermidine, and spermine. Snyder–Robinson syndrome results from hemizygous loss‐of‐function variants in the spermine synthase (SMS) gene, resulting in decreased or ...
Elizabeth A. VanSickle   +26 more
wiley   +1 more source

Brugada Syndrome: New Implications for Heterozygous Carriers of the Pathogenic SCN5A c.689T>C(p.Ile230Thr) Variant

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 5, Page 1083-1086, May 2026.
ABSTRACT Pathogenic variants in the SCN5A gene and its subunits have been identified in individuals with Brugada Syndrome. One such SCN5A variant, c.689T>C(p.Ile230Thr), was previously reported as disease‐causing only in homozygous individuals, with heterozygous carriers being unaffected.
Shayla Shojaat   +2 more
wiley   +1 more source

KDM2B‐Related Neurodevelopmental Disorder A Case‐Series Supporting the CxxC Domain Phenotype With Emphasis on Ocular and Dermatologic Features

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 5, Page 1098-1104, May 2026.
ABSTRACT The KDM2B‐related neurodevelopmental disorder is a recently identified Mendelian disorder of the epigenetic machinery associated with pathogenic variants in KDM2B. Global developmental delay, intellectual disability, congenital anomalies, and systemic manifestations characterize the disorder.
Adriana Gomes   +3 more
wiley   +1 more source

Expanding the Phenotype of TAB2‐Related Syndrome: The First Case With Cleft Palate and Insights Into Palatal Development

open access: yes
American Journal of Medical Genetics Part A, Volume 200, Issue 6, Page 1427-1430, June 2026.
Alberto De Rosa   +7 more
wiley   +1 more source

Marfan Syndrome Associated With Intellectual Disability and Behavioral Anomalies: Further Evidence for the Effect of Compound Heterozygous Variants in FBN1 on Phenotypic Severity

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 5, Page 1021-1035, May 2026.
ABSTRACT Marfan syndrome (MFS) is a rare connective tissue disorder characterized by involvement of the cardiovascular, ocular, and musculoskeletal systems. Pathogenic variants in FBN1 cause most of the MFS cases; however, intellectual disability (ID) is rarely observed. A non‐consanguineous Pakistani family with four affected individuals was recruited.
Azmatullah Khan   +4 more
wiley   +1 more source

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