SCARNA21 Gene

HGNC Family Non-coding RNAs
Name small Cajal body-specific RNA 21
Description Predicted to be involved in RNA processing. Predicted to be located in Cajal body and nucleolus. [provided by Alliance of Genome Resources, Mar 2025]
Summary
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It promotes autophagy and mitophagy by interacting with factors such as TUFM and LC3, thereby linking mitochondrial quality control to the regulation of apoptosis. In various pathological contexts—including viral infections, brain trauma, ototoxicity, cardiac injury, and renal stress—the expression of NLRX1 modulates reactive oxygen species levels, affects the activation of stress‐responsive kinases (e.g., JNK), and ultimately influences cellular survival or death."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "8", "end_ref": "27"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn addition, NLRX1 influences tumorigenesis and cellular metabolism, underscoring its dual role in both immune regulation and cancer biology. In the context of adaptive immunity and chronic inflammation, NLRX1 modulates T cell differentiation and epithelial responses, thereby affecting inflammatory bowel disease, as well as colorectal and mammary tumor development. By regulating the balance between oxidative phosphorylation and glycolysis, NLRX1 shapes the metabolic profile of parenchymal cells such as hepatocytes, with implications for conditions like non‐alcoholic fatty liver disease. Collectively, these studies position NLRX1 as a context‐dependent modulator whose expression levels and interacting partners determine its impact on immune tolerance, cell survival, and oncogenic processes."}, {"type": "fg", "children": [{"type": "fg_fs", "start_ref": "28", "end_ref": "35"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ali A Abdul-Sater, Najwane Saïd-Sadier, Verissa M Lam, et al. 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"}, {"type": "b", "children": [{"type": "t", "text": "NLRX1 protein attenuates inflammatory responses to infection by interfering with the RIG-I-MAVS and TRAF6-NF-κB signaling pathways."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Immunity (2011)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.immuni.2011.03.026"}], "href": "https://doi.org/10.1016/j.immuni.2011.03.026"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "21703540"}], "href": "https://pubmed.ncbi.nlm.nih.gov/21703540"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Yu Lei, Haitao Wen, Yanbao Yu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "The mitochondrial proteins NLRX1 and TUFM form a complex that regulates type I interferon and autophagy."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Immunity (2012)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.immuni.2012.03.025"}], "href": "https://doi.org/10.1016/j.immuni.2012.03.025"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "22749352"}], "href": "https://pubmed.ncbi.nlm.nih.gov/22749352"}]}, {"type": "r", "ref": 5, "children": [{"type": "t", "text": "Fraser Soares, Ivan Tattoli, Michael E Wortzman, et al. 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Synonyms ACA68, SCARNA21A
NCBI Gene ID 677763
API
Download Associations
Predicted Functions View SCARNA21's ARCHS4 Predicted Functions.
Co-expressed Genes View SCARNA21's ARCHS4 Predicted Functions.
Expression in Tissues and Cell Lines View SCARNA21's ARCHS4 Predicted Functions.

Functional Associations

SCARNA21 has 449 functional associations with biological entities spanning 3 categories (molecular profile, cell line, cell type or tissue, gene, protein or microRNA) extracted from 13 datasets.

Click the + buttons to view associations for SCARNA21 from the datasets below.

If available, associations are ranked by standardized value

Dataset Summary
CCLE Cell Line Gene CNV Profiles cell lines with high or low copy number of SCARNA21 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset.
COSMIC Cell Line Gene CNV Profiles cell lines with high or low copy number of SCARNA21 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset.
ENCODE Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at SCARNA21 gene from the ENCODE Histone Modification Site Profiles dataset.
ENCODE Transcription Factor Binding Site Profiles transcription factor binding site profiles with transcription factor binding evidence at the promoter of SCARNA21 gene from the ENCODE Transcription Factor Binding Site Profiles dataset.
ENCODE Transcription Factor Targets transcription factors binding the promoter of SCARNA21 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset.
GEO Signatures of Differentially Expressed Genes for Gene Perturbations gene perturbations changing expression of SCARNA21 gene from the GEO Signatures of Differentially Expressed Genes for Gene Perturbations dataset.
GTEx Tissue Gene Expression Profiles tissues with high or low expression of SCARNA21 gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset.
JASPAR Predicted Transcription Factor Targets transcription factors regulating expression of SCARNA21 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset.
Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles cell lines with high or low copy number of SCARNA21 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset.
KnockTF Gene Expression Profiles with Transcription Factor Perturbations transcription factor perturbations changing expression of SCARNA21 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset.
MotifMap Predicted Transcription Factor Targets transcription factors regulating expression of SCARNA21 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset.
Roadmap Epigenomics Histone Modification Site Profiles histone modification site profiles with high histone modification abundance at SCARNA21 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset.
TCGA Signatures of Differentially Expressed Genes for Tumors tissue samples with high or low expression of SCARNA21 gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset.