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Updated: Feb 16, 2026

A Scalable, Cell-Based Method for the Functional Assessment of Ube3a Variants
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A Scalable, Cell-Based Method for the Functional Assessment of Ube3a Variants

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CAPN1アクティベーターCD99L2の機能喪失変種は,X関連縮性アタキシアを引き起こす

Benita Menden1, Rana D Incebacak Eltemur1,2, German Demidov1

  • 1Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany.

Nature communications
|February 14, 2026
PubMed
まとめ

遺伝子検査は,まれな運動障害の診断を進めています. 全ゲノム配列解析は,発作性アタキシアに関連したCD99L2のような新種の遺伝子変異を特定することで,診断の成果を大幅に改善します.

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Loss of Tumor Suppressor Gene Functions01:12

Loss of Tumor Suppressor Gene Functions

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
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Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
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Histone variants are the histone proteins with structural and sequence variations. These variants may be regarded as “mutant” forms that replace their canonical histone counterparts in the nucleosomes. Specific post-translational modifications on the histone variants enable further chromatin complexity and regulate tissue-specific gene expression. The most common histone variants are from histone H2A, H2B, and linker histone H1 families. However, several variants of histone H3...
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Reducing Line Loss

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X-linked Traits01:19

X-linked Traits

In most mammalian species, females have two X sex chromosomes and males have an X and Y. As a result, mutations on the X chromosome in females may be masked by the presence of a normal allele on the second X. In contrast, a mutation on the X chromosome in males more often causes observable biological defects, as there is no normal X to compensate. Trait variations arising from mutations on the X chromosome are called “X-linked”.
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