HVCN1

Overview

HVCN1, a voltage-gated proton channel, has been identified as recurrently mutated in follicular lymphoma. HVCN1 mutations disrupt its normal function, affecting B-cell receptor (BCR) signaling pathways.1

Relevance tier by entity

Entity Tier Description
BL 2 relevance in BL not firmly established
DLBCL 1 high-confidence DLBCL gene
FL 1 high-confidence FL gene

Mutation incidence in large patient cohorts (GAMBL reanalysis)

Entity source frequency (%)
BL GAMBL genomes+capture 0.92
BL Thomas cohort 0.80
BL Panea cohort 2.00
DLBCL GAMBL genomes 3.06
DLBCL Schmitz cohort 1.91
DLBCL Reddy cohort 2.30
DLBCL Chapuy cohort 3.42
FL GAMBL genomes 6.47

Mutation pattern and selective pressure estimates

Entity aSHM Significant selection dN/dS (missense) dN/dS (nonsense)
BL No No 2.588 0.000
DLBCL No Yes 7.172 47.127
FL No Yes 16.103 259.368

## HVCN1 Hotspots

Chromosome Coordinate (hg19) ref>alt HGVSp
chr12 111099150 T>G Y42S
chr12 111099150 T>C Y42C
chr12 111099142 A>T W45R

View coding variants in ProteinPaint hg19 or hg38

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View all variants in GenomePaint hg19 or hg38

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References

  1. Krysiak, K., Gomez, F., White, B., Matlock, M., Miller, C., Trani, L., Fronick, C., Fulton, R., Kreisel, F., Cashen, A., Carson, K., Berrien-Elliott, M., Bartlett, N., Griffith, M., Griffith, O., & Fehniger, T. (2017). Recurrent somatic mutations affecting B-cell receptor signaling pathway genes in follicular lymphoma.. Blood, 129 4, 473-483 . https://doi.org/10.1182/blood-2016-07-729954.