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Published on: May 9, 2020
CLAN, a novel human CED-4-like gene
J S Damiano1, C Stehlik, F Pio
1The Burnham Institute, La Jolla, California 92037, USA.
Insights
Researchers cloned a novel human gene, CLAN, and its isoforms. These caspase-associated recruitment domain (CARD)-containing proteins interact with other CARD proteins and may be therapeutic targets for diseases involving cell death.
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- Proteins regulating cell death are crucial for normal biological processes.
- Dysregulation of these proteins contributes to disease pathogenesis.
- The CED-4 gene family plays a key role in apoptosis.
Purpose of the Study:
- To clone and characterize a novel human CED-4-like gene, named CLAN.
- To identify and describe alternatively spliced isoforms of CLAN.
- To investigate the potential roles of CLAN proteins in cellular processes.
Main Methods:
- Gene cloning techniques were employed to isolate the CLAN gene and its isoforms.
- Alternative splicing analysis was performed to identify different CLAN variants.
- Protein-protein interaction studies were conducted to assess binding partners of CLAN.
Main Results:
- A novel human CED-4-like gene, CLAN, and several alternatively spliced isoforms were successfully cloned.
- CLAN proteins contain a caspase-associated recruitment domain (CARD).
- The CARD domain of CLAN proteins was shown to bind other CARD-containing proteins, including caspase-1, BCL10, NOD2, and NAC.
Conclusions:
- CLAN proteins are expressed in various human tissues.
- These proteins may be involved in apoptosis, cytokine processing, and NF-kappa B activation.
- CLAN proteins represent potential therapeutic targets for diseases associated with cell death dysregulation.
Abstract:
Proteins governing cell death form the basis of many normal processes and contribute to the pathogenesis of many diseases when dysregulated. Here we report the cloning of a novel human CED-4-like gene, CLAN, and several of its alternatively spliced isoforms. These caspase-associated recruitment domain (CARD)-containing proteins are expressed at varying degrees in normal human tissues and may contribute to a number of intracellular processes including apoptosis, cytokine processing, and NF-kappa B activation. The CARD of the CLAN proteins binds a number of other CARD-containing proteins including caspase-1, BCL10, NOD2, and NAC. Once their physiologic functions are uncovered, CLAN proteins may prove to be valuable therapeutic targets.
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