Publications by authors named "Enzo Cohen"

Purpose: Heterozygous pathogenic variants in SPTAN1 cause a diverse spectrum of neurogenetic disorders ranging from peripheral and central nervous system involvement to complex syndromic presentations. We set out to investigate the role of SPTAN1 in genetically unsolved hereditary myopathies.

Methods: Through international collaboration we identified 14 families with distal weakness and heterozygous SPTAN1 loss-of-function variants.

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Genetic diagnosis of rare diseases requires accurate identification and interpretation of genomic variants. Clinical and molecular scientists from 37 expert centers across Europe created the Solve-Rare Diseases Consortium (Solve-RD) resource, encompassing clinical, pedigree and genomic rare-disease data (94.5% exomes, 5.

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Article Synopsis
  • Neurogenetic disorders linked to mutations in spectrin genes lead to a wide range of symptoms, from peripheral nervous system issues to complex syndromes, emphasizing their diverse impact.
  • An international study identified 14 families with unexplained distal weakness due to heterozygous loss-of-function variants, collecting standardized clinical and imaging data to analyze the condition further.
  • The research found that all 20 patients exhibited early childhood onset of distal weakness with varying severity, along with associated foot abnormalities and muscle changes, confirming the link between these genetic variants and a new syndrome characterized by primarily myogenic effects.
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Laminopathies are a group of rare disorders due to mutation in gene. Depending on the mutation, they may affect striated muscles, adipose tissues, nerves or are multisystemic with various accelerated ageing syndromes. Although the diverse pathomechanisms responsible for laminopathies are not fully understood, several therapeutic approaches have been evaluated in patient cells or animal models, ranging from gene therapies to cell and drug therapies.

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JAG2 encodes the Notch ligand Jagged2. The conserved Notch signaling pathway contributes to the development and homeostasis of multiple tissues, including skeletal muscle. We studied an international cohort of 23 individuals with genetically unsolved muscular dystrophy from 13 unrelated families.

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Isolated growth hormone deficiency (IGHD) is a rare condition mainly caused by mutations in GH1. The aim of this study was to assess the contribution of GHRHR mutations to IGHD in an unusually large group of patients. All GHRHR coding exons and flanking intronic regions were sequenced in 312 unrelated patients with nonsyndromic IGHD.

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Context: LHX4 encodes a LIM-homeodomain transcription factor that is implicated in early pituitary development. In humans, only 13 heterozygous LHX4 mutations have been associated with congenital hypopituitarism.

Objective: The aims of this study were to evaluate the prevalence of LHX4 mutations in patients with hypopituitarism, to define the associated phenotypes, and to characterize the functional impact of the identified variants and the respective role of the 2 LIM domains of LHX4.

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