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Microcephaly v1.269 CRNKL1 Zornitza Stark Marked gene: CRNKL1 as ready
Microcephaly v1.269 CRNKL1 Zornitza Stark Gene: crnkl1 has been classified as Green List (High Evidence).
Microcephaly v1.269 CRNKL1 Zornitza Stark Classified gene: CRNKL1 as Green List (high evidence)
Microcephaly v1.269 CRNKL1 Zornitza Stark Gene: crnkl1 has been classified as Green List (High Evidence).
Microcephaly v1.268 CRNKL1 Mark Cleghorn gene: CRNKL1 was added
gene: CRNKL1 was added to Microcephaly. Sources: Other
Mode of inheritance for gene: CRNKL1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: CRNKL1 were set to complex neurodevelopmental disorder MONDO:0100038
Review for gene: CRNKL1 was set to GREEN
Added comment: Unpublished, presented at ESHG June 2024 - Louise Bicknell, University of Otago NZ
8 unrelated families via gene matcher with rare, de novo, missense variants in CRNKL1
severe microcephaly (all, -8 to -11 SD)
ID/epilepsy
pontocerebellar hypoplasia (6/8)
simplified gyration (8/8)
7 variants are missense at p.Arg267 residue
1 variant missense at p.Arg301
RNA-seq on patient fibroblasts - no alteration in gene expression
Zebrafish homolog of Arg267 and Arg301 - mimics observed phenotype (reduced brain development), increased in embryo apoptosis
RNQ seq on affected zebrafish embryos - transcriptome strongly disrupted
Splicing analysis in progress

CRKNL1 supports U6 structure in spliceosome
Sources: Other