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Background: The use of exome sequencing (ES) has helped in detecting many variants and genes that cause primary adrenal insufficiency (PAI). The diagnosis of PAI is difficult and can be life-threatening if not treated urgently. Consanguinity can impact the detection of recessively inherited genes.

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Whole exome sequencing reveals ABCD1 variant as a potential contributor to male infertility.

Mol Biol Rep

January 2025

Laboratory of Genomics and Human Genetics, Institut Pasteur du Maroc, Casablanca, Morocco.

Background: Male infertility (MI) is a polygenic condition mainly induced by spermatogenic failure/arrest or systemic disease with a large clinical spectrum. Lately, genetic sequencing allowed the identification of several variants implicated in both aforesaid situations.

Methods And Results: In this case study, we performed whole exome sequencing (WES) on the genomic DNA of a 37-year-old Moroccan man with Non-Obstructive Azoospermia.

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Purpose: X-linked adrenoleukodystrophy (XALD) can affect the eyes. Existing therapies are hampered by early quantitative examination methods. This study used an optical coherence tomography angiography system (OCTA) to investigate retinal microvascular density and perfusion in XALD patients.

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Our objectives are to report on the outcomes of adrenal insufficiency (AI) and cerebral ALD (cALD) in children diagnosed with X-linked adrenoleukodystrophy (ALD) identified by newborn screening (NBS) in Minnesota in the first 5 years following initiation of NBS in 02/2017. A retrospective chart review was conducted for children diagnosed with ALD via Minnesota NBS from 02/06/2017 through 02/06/2022. Data reviewed included newborn screening data, diagnostic very long chain fatty acid levels, ABCD1 molecular testing results, serial measurements of ACTH and cortisol, and serial brain MRI results.

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Altered lipid profile and reduced neuronal support in human induced pluripotent stem cell-derived astrocytes from adrenoleukodystrophy patients.

J Inherit Metab Dis

January 2025

Department of Complex Trait Genetics, Centre for Neurogenomics and Cognitive Research, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

X-linked adrenoleukodystrophy (ALD) is a peroxisomal disorder resulting from pathogenic variants in the ABCD1 gene that primarily affects the nervous system and is characterized by progressive axonal degeneration in the spinal cord and peripheral nerves and leukodystrophy. Dysfunction of peroxisomal very long-chain fatty acid (VLCFA) degradation has been implicated in ALD pathology, but the impact on astrocytes, which critically support neuronal function, remains poorly understood. Fibroblasts from four ALD patients were reprogrammed to generate human-induced pluripotent stem cells (hiPSC).

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