Characterization of human disease phenotypes associated with mutations in TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1, ADAR, and IFIH1

…, MS Abdel‐Hamid, GM AbdelSalam… - American journal of …, 2015 - Wiley Online Library
Aicardi–Goutières syndrome is an inflammatory disease occurring due to mutations in any
of TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1, ADAR or IFIH1. We report on …

Biallelic mutations in SNX14 cause a syndromic form of cerebellar atrophy and lysosome-autophagosome dysfunction

…, GM Abdel-Salam, RK Ozgul, MS Sagıroglu, M Azam… - Nature …, 2015 - nature.com
Pediatric-onset ataxias often present clinically as developmental delay and intellectual
disability, with prominent cerebellar atrophy as a key neuroradiographic finding. Here we …

Assessment of interferon-related biomarkers in Aicardi-Goutieres syndrome associated with mutations in TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1 …

…, MS Aglan, MS Zaki, GMH Abdel-Salam… - The lancet …, 2013 - thelancet.com
Background Aicardi-Goutières syndrome (AGS) is an inflammatory disorder caused by
mutations in any of six genes (TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1, and …

[HTML][HTML] Mutation in WDR4 impairs tRNA m7G46 methylation and causes a distinct form of microcephalic primordial dwarfism

R Shaheen, GMH Abdel-Salam, MP Guy, R Alomar… - Genome biology, 2015 - Springer
Background Primordial dwarfism is a state of extreme prenatal and postnatal growth
deficiency, and is characterized by marked clinical and genetic heterogeneity. Results Two …

Mutations in ADAR1, IFIH1, and RNASEH2B presenting as spastic paraplegia

…, MS Zaki, MS Abdel-Hamid, G Abdel-Salam… - …, 2014 - thieme-connect.com
Background Hereditary spastic paraplegia is a neurodegenerative phenotype characterized
by a progressive loss of corticospinal motor tract function. In a majority of affected …

[PDF][PDF] Bi-allelic loss-of-function variants in PPFIBP1 cause a neurodevelopmental disorder with microcephaly, epilepsy, and periventricular calcifications

…, M Ghavideldarestani, GMH Abdel-Salam… - The American Journal of …, 2022 - cell.com
PPFIBP1 encodes for the liprin-β1 protein, which has been shown to play a role in neuronal
outgrowth and synapse formation in Drosophila melanogaster. By exome and genome …

PYCR2 Mutations cause a lethal syndrome of microcephaly and failure to thrive

…, MS Abdel‐Hamid, G AbdelSalam… - Annals of …, 2016 - Wiley Online Library
Objective A study was undertaken to characterize the clinical features of the newly described
hypomyelinating leukodystrophy type 10 with microcephaly. This is an autosomal recessive …

Molecular and phenotypic spectrum of ASPM‐related primary microcephaly: Identification of eight novel mutations

…, LK Effat, MS Zaki, GMH AbdelSalam - American journal of …, 2016 - Wiley Online Library
Autosomal recessive primary microcephaly (MCPH) is an abnormal proliferation of neurons
during brain development that leads to a small brain size but architecturally normal in most …

[HTML][HTML] Biallelic MAD2L1BP (p31comet) mutation is associated with mosaic aneuploidy and juvenile granulosa cell tumors

GMH Abdel-Salam, S Hellmuth, E Gradhand… - JCI insight, 2023 - ncbi.nlm.nih.gov
MAD2L1BP-encoded p31 comet mediates Trip13-dependent disassembly of Mad2-and
Rev7-containing complexes and, through this antagonism, promotes timely spindle assembly …

Expanding the phenotypic and mutational spectrum in microcephalic osteodysplastic primordial dwarfism type I

GMH AbdelSalam, MS Abdel‐Hamid… - American journal of …, 2012 - Wiley Online Library
Mutations in the RNU4ATAC gene cause microcephalic osteodysplastic primordial dwarfism
type I. It encodes U4atac, a small nuclear RNA that is a component of the minor spliceosome…