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EEF1A1

Overview

Mutations in the EEF1A1 gene, which encodes the eukaryotic translation elongation factor 1A1, have been reported in DLBCL and FL.1 This gene has some recurrent sites of mutations (hot spots). The mutation pattern in DLBCL and FL implies the preferential accumulation of inactivating mutations. Paradoxically, one study showed that EEF1A1 knock down reduced proliferation in vitro and in xenograft experiments.2

History

Mutations in this gene were first described in DLBCL and FL in 2021 by Hübschmann et al.1

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timeline
    title Publication timing
      2015-02-12 : Reichel : PMBL
      2021-05-05 : H : FL
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Relevance tier by entity

Entity Tier Description
PMBL 1 high-confidence PMBL/cHL/GZL gene
DLBCL 1 high-confidence DLBCL gene
FL 1 high-confidence FL gene

Mutation incidence in large patient cohorts (GAMBL reanalysis)

Entity source frequency (%)
DLBCL GAMBL genomes 4.78
DLBCL Schmitz cohort 2.98
DLBCL Reddy cohort 2.50
DLBCL Chapuy cohort 4.70
FL GAMBL genomes 11.32

Mutation pattern and selective pressure estimates

Entity aSHM Significant selection dN/dS (missense) dN/dS (nonsense)
BL No No 6.692 0.000
DLBCL No No 3.556 24.091
FL No Yes 47.451 0.000

EEF1A1 Hotspots

Chromosome Coordinate (hg19) ref>alt HGVSp
chr6 74229191 C>T A65T
chr6 74229191 C>G A65P
chr6 74229190 G>C A65G
chr6 74229188 C>T E66K
chr6 74229187 T>A E66V
chr6 74229179 G>C R69G
chr6 74229179 G>A R69C
chr6 74229094 T>A D97V
chr6 74229095 C>T D97N

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. Hübschmann D, Kleinheinz K, Wagener R, Bernhart SH, López C, Toprak UH, Sungalee S, Ishaque N, Kretzmer H, Kreuz M, Waszak SM, Paramasivam N, Ammerpohl O, Aukema SM, Beekman R, Bergmann AK, Bieg M, Binder H, Borkhardt A, Borst C, Brors B, Bruns P, Carrillo de Santa Pau E, Claviez A, Doose G, Haake A, Karsch D, Haas S, Hansmann ML, Hoell JI, Hovestadt V, Huang B, Hummel M, Jäger-Schmidt C, Kerssemakers JNA, Korbel JO, Kube D, Lawerenz C, Lenze D, Martens JHA, Ott G, Radlwimmer B, Reisinger E, Richter J, Rico D, Rosenstiel P, Rosenwald A, Schillhabel M, Stilgenbauer S, Stadler PF, Martín-Subero JI, Szczepanowski M, Warsow G, Weniger MA, Zapatka M, Valencia A, Stunnenberg HG, Lichter P, Möller P, Loeffler M, Eils R, Klapper W, Hoffmann S, Trümper L; ICGC MMML-Seq consortium; ICGC DE-Mining consortium; BLUEPRINT consortium; Küppers R, Schlesner M, Siebert R. Mutational mechanisms shaping the coding and noncoding genome of germinal center derived B-cell lymphomas. Leukemia. 2021 Jul;35(7):2002-2016. doi: 10.1038/s41375-021-01251-z. Epub 2021 May 5. PMID: 33953289; PMCID: PMC8257491.
  2. Gong T, Shuang Y. Expression and Clinical Value of Eukaryotic Translation Elongation Factor 1A1 (EEF1A1) in Diffuse Large B Cell Lymphoma. Int J Gen Med. 2021 Oct 27;14:7247-7258. doi: 10.2147/IJGM.S324645. PMID: 34737619; PMCID: PMC8559353.

EEF1A1 Expression

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