DTX1.md
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# DTX1
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## Overview
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-Mutations in the DTX1 gene, which encodes the E3 ubiquitin ligase Deltex 1, have been identified in various B-cell lymphomas, including diffuse large B-cell lymphoma (DLBCL). DTX1 is one of [a number of genes](https://github.com/morinlab/LLMPP/wiki/ashm) affected by aberrant somatic hypermutation in B-cell lymphomas, which complicates the interpretation of mutations at this locus. These mutations are associated with the BN2 genetic subgroup of DLBCL.<sup>1</sup> DTX1 functions as a negative regulator of the Notch signaling pathway. Some DTX1 mutations impair its function, thereby dysregulating Notch signaling, which is crucial for normal B-cell development and function. <sup>2</sup>
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+Mutations in the DTX1 gene, which encodes the E3 ubiquitin ligase Deltex 1, have been identified in various B-cell lymphomas, including diffuse large B-cell lymphoma (DLBCL). DTX1 is one of [a number of genes](https://github.com/morinlab/LLMPP/wiki/ashm) affected by aberrant somatic hypermutation in B-cell lymphomas, which complicates the interpretation of mutations at this locus. These mutations are associated with the BN2 genetic subgroup of DLBCL.<sup>1</sup> There are numerous mutation hotspots in this gene with some leading to a truncated protein. DTX1 functions as a negative regulator of the Notch signaling pathway. Some DTX1 mutations impair its function, thereby dysregulating Notch signaling, which is crucial for normal B-cell development and function. <sup>2</sup>
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## Relevance tier by entity
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