Description
The c.3084delG pathogenic variant in the CC2D2A gene has been reported previously in association with Meckel-Gruber syndrome, when present in the homozygous state or when in trans with another pathogenic variant (Tallila et al., 2009; Mougou-Zerelli et al., 2009; Hopp et al., 2011). The c.3084delG variant causes a frameshift starting with codon Lysine 1029, changes this amino acid to an Arginine residue, and creates a premature Stop codon at position 3 of the new reading frame, denoted p.Lys1029ArgfsX3. This variant is predicted to cause loss of normal protein function either through protein truncation or nonsense-mediated mRNA decay. The c.3084delG variant was not observed in approximately 6,200 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. We interpret c.3084delG as a pathogenic variant.
# | Sample | Method | Observation |
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Origin | Affected | Number tested | Tissue | Purpose | Method | Individuals | Allele frequency | Families | Co-occurrences |
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1 | germline | yes | not provided | not provided | not provided | | not provided | not provided | not provided | not provided |