Table of Contents

Overview

NFKBIE encodes IκBε, a negative regulator of NF-κB. Mutations in NFKBIE can disrupt this regulatory function, leading to constitutive activation of NF-κB signaling.1 Mutations are relatively common in DLBCL and MCL.2

Experimental Evidence

Driver mutations affecting this gene in DLBCL have been experimentally demonstrated to cause a reduction or loss of function (LOF).3

Relevance tier by entity

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Mutation incidence in large patient cohorts (GAMBL reanalysis)

MCL

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DLBCL

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Mutation pattern and selective pressure estimates

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Expression

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References

1.
Mansouri L, Noerenberg D, Young E, Mylonas E, Abdulla M, Frick M, Asmar F, Ljungström V, Schneider M, Yoshida K, Skaftason A, Pandzic T, Gonzalez B, Tasidou A, Waldhueter N, Rivas-Delgado A, Angelopoulou M, Ziepert M, Arends CM, Couronné L, Lenze D, Baldus CD, Bastard C, Okosun J, Fitzgibbon J, Dörken B, Drexler HG, Roos-Weil D, Schmitt CA, Munch-Petersen HD, Zenz T, Hansmann ML, Strefford JC, Enblad G, Bernard OA, Ralfkiaer E, Erlanson M, Korkolopoulou P, Hultdin M, Papadaki T, Grønbæk K, Lopez-Guillermo A, Ogawa S, Küppers R, Stamatopoulos K, Stavroyianni N, Kanellis G, Rosenwald A, Campo E, Amini RM, Ott G, Vassilakopoulos TP, Hummel M, Rosenquist R, Damm F. Frequent NFKBIE deletions are associated with poor outcome in primary mediastinal B-cell lymphoma. Blood. 2016 Dec 8;128(23):2666–2670.
2.
Morin RD, Assouline S, Alcaide M, Mohajeri A, Johnston RL, Chong L, Grewal J, Yu S, Fornika D, Bushell K, Nielsen TH, Petrogiannis-Haliotis T, Crump M, Tosikyan A, Grande BM, MacDonald D, Rousseau C, Bayat M, Sesques P, Froment R, Albuquerque M, Monczak Y, Oros KK, Greenwood C, Riazalhosseini Y, Arseneault M, Camlioglu E, Constantin A, Pan-Hammarstrom Q, Peng R, Mann KK, Johnson NA. Genetic Landscapes of Relapsed and Refractory Diffuse Large B-Cell Lymphomas. Clin Cancer Res. 2016 May 1;22(9):2290–2300.
3.
Mansouri L, Sutton LA, Ljungström V, Bondza S, Arngården L, Bhoi S, Larsson J, Cortese D, Kalushkova A, Plevova K, Young E, Gunnarsson R, Falk-Sörqvist E, Lönn P, Muggen AF, Yan XJ, Sander B, Enblad G, Smedby KE, Juliusson G, Belessi C, Rung J, Chiorazzi N, Strefford JC, Langerak AW, Pospisilova S, Davi F, Hellström M, Jernberg-Wiklund H, Ghia P, Söderberg O, Stamatopoulos K, Nilsson M, Rosenquist R. Functional loss of IκBε leads to NF-κB deregulation in aggressive chronic lymphocytic leukemia. J Exp Med. 2015 Jun 1;212(6):833–843. PMCID: PMC4451125
4.
Pararajalingam P, Coyle KM, Arthur SE, Thomas N, Alcaide M, Meissner B, Boyle M, Qureshi Q, Grande BM, Rushton C, Slack GW, Mungall AJ, Tam CS, Agarwal R, Dawson SJ, Lenz G, Balasubramanian S, Gascoyne RD, Steidl C, Connors J, Villa D, Audas TE, Marra MA, Johnson NA, Scott DW, Morin RD. Coding and noncoding drivers of mantle cell lymphoma identified through exome and genome sequencing. Blood. 2020 Jul 30;136(5):572–584. PMCID: PMC7440974

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