← Lymphatic Malformation Variant Atlas

NRAS Q61R

c.182A>G NM_002524.4 RAS-MAPK transition, gain of function

Cancer hotspot Recurrent missense variant. COSMIC COSV54736340, COSV54736624, COSV54738969, COSV54747786
Population · gnomAD Not observed Absent from the population database, consistent with a somatic, non-inherited driver.
ClinVar Pathogenic VCV000013900
Protein region switch II Residue 61 of NRAS. UniProt P01111
AlphaMissense likely pathogenic Pathogenicity score 0.99. Computational prediction, not clinical evidence.

Position in NRAS 2 catalogued

1189 aaQ61KQ61R

Reported in KLA · GLA

ISSVA subsetAllele fractionSources
KLA 0.54-28%
GLA 30%

Bars show the reported allele-fraction range on a 0 to 50 percent axis.

Pathway and targeted therapy

Driver of the RAS-MAPK pathway. Repurposed drugs already used in the clinic for this pathway: trametinib and other MEK inhibitors.

Open and recent trials (8 in vascular / lymphatic anomalies for trametinib)

Primary sources (3)

  1. Genomic profiling informs diagnoses and treatment in vascular anomalies.
    Li D, Sheppard SE, March ME, Battig MR, Surrey LF, Srinivasan AS, Matsuoka LS, Tian L, Wang F, Seiler C, Dayneka J, Borst AJ, Matos MC, Paulissen SM, Krishnamurthy G, Nriagu B, Sikder T, Casey M, Williams L, Rangu S, O'Connor N, Thomas A, Pinto E, Hou C, Nguyen K, Pellegrino da Silva R, Chehimi SN, Kao C, Biroc L, Britt AD, Queenan M, Reid JR, Napoli JA, Low DM, Vatsky S, Treat J, Smith CL, Cahill AM, Snyder KM, Adams DM, Dori Y, Hakonarson H. · Nat Med · 2023
  2. Somatic NRAS mutation in patient with generalized lymphatic anomaly.
    Manevitz-Mendelson E, Leichner GS, Barel O, Davidi-Avrahami I, Ziv-Strasser L, Eyal E, Pessach I, Rimon U, Barzilai A, Hirshberg A, Chechekes K, Amariglio N, Rechavi G, Yaniv K, Greenberger S. · Angiogenesis · 2018
  3. A somatic activating NRAS variant associated with kaposiform lymphangiomatosis.
    Barclay SF, Inman KW, Luks VL, McIntyre JB, Al-Ibraheemi A, Church AJ, Perez-Atayde AR, Mangray S, Jeng M, Kreimer SR, Walker L, Fishman SJ, Alomari AI, Chaudry G, Trenor Iii CC, Adams D, Kozakewich HPW, Kurek KC. · Genet Med · 2019

Mentioned in 1,635 publications indexed by Europe PMC.

Cross-references