GO:0110064 lncRNA catabolic process: RNA Turnover Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0110064 lncRNA catabolic process describes the chemical reactions and pathways that break down long non-coding RNAs (lncRNAs) longer than 200 nucleotides.
• lncRNA catabolism controls the steady-state abundance of regulatory RNAs, thereby influencing gene expression programs in development, metabolism, and disease.
• Key molecular players include RNA quality-control factors such as TRIM71, which binds the lncRNA Trincr1 and represses FGF/ERK signaling in embryonic stem cells.
• Nuclear RNA surveillance factors, including Clr4/SUV39H, are nucleated by RNA quality-control factors and link lncRNA turnover to heterochromatin assembly.
• Dysregulated lncRNA catabolism contributes to cancer metabolism reprogramming, cardiac hypertrophy, and neuronal oxidative stress injury.
• CRISPR knockout, point-mutation, knock-in, and overexpression models enable causal dissection of lncRNA catabolic pathways in relevant cell types.
Description
Long non-coding RNAs (lncRNAs) are transcripts longer than 200 nucleotides that do not encode proteins but regulate chromatin, transcription, translation, and signaling. The Gene Ontology term GO:0110064, lncRNA catabolic process, defines the chemical reactions and pathways resulting in the breakdown of these lncRNAs. Because lncRNA abundance is a major determinant of their regulatory output, understanding how lncRNAs are degraded is essential for interpreting their biological roles. lncRNA catabolism is not a single uniform pathway; it encompasses nuclear surveillance, cytoplasmic decay, and quality-control mechanisms that recognize structured or aberrant lncRNAs and target them for destruction. For example, the TRIM71-binding lncRNA Trincr1 is regulated in embryonic stem cells to modulate FGF/ERK signaling, illustrating how catabolic control of a single lncRNA can influence a major developmental pathway. Similarly, RNA quality-control factors nucleate Clr4/SUV39H to trigger constitutive heterochromatin assembly, directly connecting lncRNA turnover to epigenetic silencing. For researchers, GO:0110064 provides a framework to study how cells maintain lncRNA homeostasis and how perturbations in this process contribute to disease. Altered lncRNA stability has been linked to cancer metabolism reprogramming, cardiac hypertrophy, and Alzheimer's disease-related oxidative stress. This article reviews the definition, mechanisms, key genes, disease relevance, and experimental models for studying lncRNA catabolic process, with a focus on CRISPR-based approaches.
lncRNA catabolic process At A Glance
| GO ID | GO:0110064 |
|---|---|
| GO term | lncRNA catabolic process |
| Ontology | biological_process |
| Synonym | lncRNA breakdown; lncRNA catabolism; lncRNA degradation |
| Definition | The chemical reactions and pathways resulting in the breakdown of lncRNAs, non-coding RNAs over 200 nucleotides in length. |
| Major function | Controls lncRNA abundance and turnover, thereby regulating gene expression, chromatin state, and signaling pathways. |
| Key regulators | TRIM71, Clr4/SUV39H, and other RNA quality-control factors. |
| Associated diseases | Cancer metabolism reprogramming, cardiac hypertrophy, Alzheimer's disease. |
| Research methods | RNA-seq, Ribo-seq, CRISPR knockout/knock-in, RNA immunoprecipitation, proteomics. |
What Is GO:0110064?
GO:0110064 lncRNA catabolic process is the biological process comprising the chemical reactions and pathways that result in the breakdown of lncRNAs, which are non-coding RNAs over 200 nucleotides in length. It includes the recognition, modification, and degradation of lncRNA transcripts, as well as the regulatory factors that control these steps.
Why Is lncRNA catabolic process Important in Cell Biology?
lncRNA catabolic process is important because the steady-state level of every lncRNA is determined by the balance between its synthesis and degradation. Perturbations in lncRNA turnover can lead to inappropriate accumulation or loss of regulatory RNAs, which in turn alter gene expression programs relevant to cancer, cardiovascular disease, and neurodegeneration. Understanding GO:0110064 therefore provides mechanistic insight into how cells maintain RNA homeostasis and how this process can be targeted experimentally or therapeutically.
• Controls lncRNA abundance, which directly affects chromatin regulation, transcription, and signaling.
• Links RNA quality control to heterochromatin assembly via factors such as Clr4/SUV39H.
• Modulates developmental signaling, as shown for Trincr1 repression of FGF/ERK in embryonic stem cells.
• Contributes to cancer metabolism reprogramming through lncRNA-mediated posttranslational modifications.
• Influences cardiac hypertrophy via lncRNAs such as CARDINAL that modulate protein translation.
• Is implicated in Alzheimer's disease-related neuronal oxidative stress through lncRNA SOX21-AS1.
• Provides a mechanistic basis for understanding how lncRNAs regulate ribosome biogenesis and cell proliferation.
• Offers targets for CRISPR-based functional studies of lncRNA stability and turnover.
What Happens During lncRNA catabolic process?
Recognition of lncRNA targets
In simple terms: The cell first identifies which lncRNA molecules should be destroyed.
lncRNA catabolism begins with the recognition of specific lncRNA transcripts by RNA-binding proteins or quality-control factors. For example, the TRIM71 protein binds the lncRNA Trincr1, and this interaction is linked to repression of FGF/ERK signaling in embryonic stem cells. RNA quality-control factors also recognize structured or aberrant RNAs and nucleate downstream effectors such as Clr4/SUV39H. This recognition step determines substrate specificity and couples lncRNA turnover to cellular signaling states.
Nuclear surveillance and heterochromatin coupling
In simple terms: In the nucleus, some lncRNAs are degraded as part of a quality-control system that also helps package DNA into silent regions.
Nuclear RNA surveillance factors can trigger constitutive heterochromatin assembly by nucleating Clr4/SUV39H, a histone methyltransferase. This process links the catabolism of lncRNAs to epigenetic silencing, suggesting that lncRNA turnover is not merely a disposal mechanism but also a regulatory event. The coupling of RNA quality control to chromatin modification provides a direct mechanism by which lncRNA catabolic process influences gene expression programs.
Cytoplasmic decay and translational control
In simple terms: In the cytoplasm, lncRNAs can be degraded in ways that affect how much protein is made from other RNAs.
Cytoplasmic lncRNA catabolism intersects with translational control. The lncRNA CARDINAL attenuates cardiac hypertrophy by modulating protein translation, indicating that lncRNA stability and function are tightly linked to the translation machinery. Similarly, an ultraconserved snoRNA-like element in the lncRNA CRNDE promotes ribosome biogenesis and cell proliferation, showing that lncRNA processing and turnover can influence ribosome output. These examples illustrate that lncRNA catabolic process is integrated with cytoplasmic RNA metabolism.
Regulation by cellular signaling and metabolism
In simple terms: How fast lncRNAs are destroyed depends on the cell's metabolic and signaling state.
lncRNA catabolism is regulated by cellular signaling and metabolic pathways. LncRNAs regulate metabolism in cancer, and lncRNA-mediated posttranslational modifications reprogram energy metabolism, indicating bidirectional crosstalk between lncRNA turnover and metabolic state. In neurons, silencing of the lncRNA SOX21-AS1 relieves oxidative stress injury by upregulating FZD3/5 via Wnt signaling, linking lncRNA regulation to stress-responsive pathways. These findings suggest that lncRNA catabolic process is responsive to environmental and metabolic cues.
Disease-associated dysregulation
In simple terms: When lncRNA breakdown goes wrong, it can contribute to diseases like cancer and heart disease.
Dysregulation of lncRNA catabolic process is associated with multiple human diseases. In cancer, altered lncRNA turnover contributes to metabolic reprogramming and tumor progression. In cardiovascular disease, the lncRNA CARDINAL modulates cardiac hypertrophy through effects on protein translation. In Alzheimer's disease models, SOX21-AS1 silencing protects against neuronal oxidative stress injury. These examples highlight the pathological consequences of perturbed lncRNA catabolism.
Key Genes Involved in GO:0110064 lncRNA catabolic process
The following genes and proteins have been experimentally implicated in lncRNA catabolic process or in the regulation of lncRNA stability and function.
| Gene | Major Role | Research Relevance |
|---|---|---|
| TRIM71 | Binds lncRNA Trincr1 and represses FGF/ERK signaling | Embryonic stem cell self-renewal and differentiation |
| Trincr1 | lncRNA substrate regulated by TRIM71 | Modulates FGF/ERK signaling in embryonic stem cells |
| Clr4/SUV39H | Histone methyltransferase nucleated by RNA quality-control factors | Links lncRNA catabolism to heterochromatin assembly |
| CARDINAL | lncRNA that modulates protein translation | Cardiac hypertrophy and heart disease models |
| SOX21-AS1 | lncRNA involved in oxidative stress and Wnt signaling | Alzheimer's disease neuronal injury models |
| CRNDE | lncRNA with snoRNA-like element promoting ribosome biogenesis | Cell proliferation and ribosome biogenesis studies |
| FZD3/5 | Wnt signaling receptors upregulated upon SOX21-AS1 silencing | Neuronal oxidative stress and Alzheimer's disease |
| FGF/ERK pathway components | Signaling axis repressed by Trincr1 | Embryonic stem cell signaling |
| Ribosome biogenesis factors | Processes promoted by CRNDE snoRNA-like element | Translation and proliferation research |
| RNA quality-control factors | Recognize aberrant lncRNAs and nucleate Clr4/SUV39H | Nuclear RNA surveillance and heterochromatin |
| Metabolic enzymes | Targets of lncRNA-mediated posttranslational modifications | Cancer metabolism reprogramming |
| Translation machinery | Modulated by CARDINAL lncRNA | Cardiac hypertrophy and translational control |
| Wnt signaling components | Pathway affected by SOX21-AS1 | Neurodegeneration and oxidative stress |
| Energy metabolism regulators | Regulated by lncRNAs in cancer | Cancer metabolism |
How Is lncRNA catabolic process Regulated?
lncRNA catabolic process is regulated at multiple levels. Cellular metabolic state influences lncRNA turnover, as lncRNAs regulate metabolism in cancer and lncRNA-mediated posttranslational modifications reprogram energy metabolism. Signaling pathways such as FGF/ERK are modulated by lncRNA stability; TRIM71 binding to Trincr1 represses FGF/ERK signaling in embryonic stem cells. RNA quality-control factors nucleate Clr4/SUV39H to trigger heterochromatin assembly, providing a nuclear regulatory layer. In neurons, Wnt signaling is affected by SOX21-AS1 levels, linking lncRNA catabolism to stress-responsive pathways. Translational control also intersects with lncRNA function, as CARDINAL modulates protein translation in cardiac hypertrophy.
lncRNA catabolic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| CARDINAL | Cardiac hypertrophy | Cardiomyocyte overexpression and knockout models |
| SOX21-AS1 | Alzheimer's disease neuronal oxidative stress | Neuronal cell lines and mouse models |
| CRNDE | Cell proliferation and ribosome biogenesis | Cancer cell lines with knockout or overexpression |
| TRIM71 / Trincr1 | Embryonic stem cell signaling and development | Embryonic stem cell differentiation models |
| Clr4/SUV39H | Heterochromatin assembly and genome stability | Fission yeast or mammalian cell models |
Cancer metabolism and lncRNA catabolism
lncRNAs regulate metabolism in cancer, and lncRNA-mediated posttranslational modifications reprogram energy metabolism. Dysregulated lncRNA catabolism can therefore contribute to metabolic reprogramming that supports tumor growth. Targeting lncRNA turnover pathways may offer opportunities to disrupt cancer metabolism.
Cardiac hypertrophy and translational control
The lncRNA CARDINAL attenuates cardiac hypertrophy by modulating protein translation. This suggests that lncRNA catabolic process and lncRNA stability are important for maintaining cardiac homeostasis. Experimental models of cardiac hypertrophy can be used to study how CARDINAL turnover affects disease progression.
Neurodegeneration and oxidative stress
Silencing of the lncRNA SOX21-AS1 relieves neuronal oxidative stress injury in mice with Alzheimer's disease by upregulating FZD3/5 via the Wnt signaling pathway. This links lncRNA regulation to neurodegenerative disease mechanisms. Modulating lncRNA catabolism may therefore influence neuronal survival under oxidative stress.
Ribosome biogenesis and proliferation
An ultraconserved snoRNA-like element in the lncRNA CRNDE promotes ribosome biogenesis and cell proliferation. This connects lncRNA processing and turnover to ribosome output and cell growth. Dysregulation of such lncRNA elements could contribute to proliferative disorders.
From lncRNA catabolic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of a candidate lncRNA regulator alter lncRNA stability? | CRISPR knockout of the regulator gene followed by RNA-seq |
| Does a specific point mutation in an RNA-binding domain affect lncRNA catabolism? | CRISPR point-mutation knock-in of the binding domain |
| Does tagging an endogenous lncRNA regulator affect its localization? | Knock-in of an epitope tag at the endogenous locus |
| Does overexpression of a lncRNA alter its own turnover? | Transient or stable overexpression of the lncRNA |
| Which lncRNAs are degraded upon pathway activation? | CRISPR library screening combined with RNA-seq |
| Does a disease-associated variant affect lncRNA catabolism? | Knock-in of the variant followed by stability assays |
How to Study the lncRNA catabolic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | lncRNA abundance and differential expression | Identifying lncRNAs affected by catabolic regulators |
| Ribo-seq | Ribosome occupancy and translation efficiency | Linking lncRNA catabolism to translation |
| RNA immunoprecipitation | Protein-lncRNA interactions | Identifying TRIM71-Trincr1 binding |
| Mass spectrometry | Protein interactions and modifications | Discovering catabolic factors and modifications |
| Fluorescence imaging | lncRNA localization and cellular distribution | Visualizing lncRNA turnover |
| Chromatin immunoprecipitation | Histone modifications and heterochromatin | Assessing Clr4/SUV39H nucleation |
| CRISPR knockout | Loss-of-function effects on lncRNA stability | Testing candidate regulators |
| CRISPR knock-in | Tagged or mutant alleles | Tracking endogenous lncRNA regulators |
RNA-seq and transcriptome-wide stability profiling
RNA-seq can quantify lncRNA abundance and, when combined with transcription inhibition, measure lncRNA half-lives to assess catabolic rates. This approach is widely used to identify lncRNAs whose stability changes upon perturbation of candidate regulators.
Ribo-seq and translational profiling
Ribo-seq measures ribosome occupancy and can reveal how lncRNA catabolism intersects with translation, as exemplified by CARDINAL modulation of protein translation and CRNDE effects on ribosome biogenesis. These methods help distinguish lncRNA degradation from translational regulation.
RNA immunoprecipitation and proteomics
RNA immunoprecipitation followed by mass spectrometry can identify proteins that bind lncRNAs and mediate their catabolism, such as TRIM71 binding to Trincr1. Proteomic approaches can also reveal posttranslational modifications linked to lncRNA turnover.
Imaging and chromatin assays
Fluorescence imaging and chromatin immunoprecipitation can visualize lncRNA localization and heterochromatin assembly, as shown for RNA quality-control factors nucleating Clr4/SUV39H. These methods connect lncRNA catabolism to nuclear architecture.
How CRISPR Can Be Used to Study GO:0110064 lncRNA catabolic process
Knockout
CRISPR knockout of genes encoding lncRNA-binding proteins or quality-control factors can reveal their requirement for lncRNA catabolism. For example, knocking out TRIM71 or its partners would test effects on Trincr1 stability and FGF/ERK signaling. Knockout of Clr4/SUV39H pathway components can assess heterochromatin assembly linked to lncRNA turnover.
Point Mutation
CRISPR point mutation can introduce specific amino acid changes in RNA-binding domains to dissect which residues are required for lncRNA recognition and degradation. This approach is useful for separating binding from catalytic functions of catabolic factors.
Knock-in
Knock-in of epitope tags or fluorescent reporters at endogenous loci enables tracking of lncRNA regulators in live cells. Knock-in of disease-associated variants can test their impact on lncRNA catabolism.
Overexpression
Overexpression of lncRNAs such as CARDINAL or CRNDE can be used to study their turnover and downstream effects on translation and proliferation. Overexpression models complement knockout studies by revealing gain-of-function phenotypes.
How EDITGENE Supports lncRNA catabolic process Research
Researchers studying lncRNA catabolic process-related genes often need to determine whether a candidate gene is causally involved in lncRNA turnover or whether its manipulation alters disease-relevant phenotypes. EDITGENE provides CRISPR-based cell model services that enable precise, reproducible interrogation of lncRNA catabolism in relevant cell types.
Contact EDITGENE today to design your custom CRISPR model for lncRNA catabolic process research.
Frequently Asked Questions About lncRNA catabolic process
What is GO:0110064 lncRNA catabolic process?
GO:0110064 is a Gene Ontology biological process term defined as the chemical reactions and pathways resulting in the breakdown of lncRNAs, non-coding RNAs over 200 nucleotides in length.
What genes are involved in lncRNA catabolic process?
Genes and factors experimentally implicated include TRIM71, Trincr1, Clr4/SUV39H, CARDINAL, SOX21-AS1, and CRNDE, among others.
How is lncRNA catabolic process regulated?
It is regulated by cellular metabolic state, signaling pathways such as FGF/ERK and Wnt, RNA quality-control factors, and translational control mechanisms.
Why is lncRNA catabolism important in cancer?
lncRNAs regulate metabolism in cancer, and lncRNA-mediated posttranslational modifications reprogram energy metabolism, so altered lncRNA turnover can contribute to tumor metabolic reprogramming.
What diseases are linked to lncRNA catabolic process?
Linked diseases include cancer, cardiac hypertrophy, and Alzheimer's disease-related neuronal oxidative stress.
What methods are used to study lncRNA catabolic process?
Common methods include RNA-seq, Ribo-seq, RNA immunoprecipitation, mass spectrometry, imaging, chromatin immunoprecipitation, and CRISPR knockout or knock-in.
How can CRISPR help study lncRNA catabolism?
CRISPR knockout, point mutation, knock-in, and overexpression enable causal testing of candidate regulators and their effects on lncRNA stability and disease phenotypes.
What is the role of TRIM71 in lncRNA catabolism?
TRIM71 binds the lncRNA Trincr1 and represses FGF/ERK signaling in embryonic stem cells, linking lncRNA regulation to developmental signaling.
How does Clr4/SUV39H relate to lncRNA catabolism?
RNA quality-control factors nucleate Clr4/SUV39H to trigger constitutive heterochromatin assembly, connecting lncRNA turnover to epigenetic silencing.
What is the connection between lncRNA catabolism and ribosome biogenesis?
An ultraconserved snoRNA-like element in the lncRNA CRNDE promotes ribosome biogenesis and cell proliferation, showing that lncRNA processing and turnover can influence ribosome output.
Conclusion
GO:0110064 lncRNA catabolic process defines the pathways that break down lncRNAs longer than 200 nucleotides, a process that controls the abundance of regulatory RNAs and influences gene expression, chromatin state, and signaling. Experimental evidence links lncRNA catabolism to cancer metabolism, cardiac hypertrophy, and neurodegeneration, underscoring its biomedical importance. CRISPR-based knockout, point-mutation, knock-in, and overexpression models, combined with RNA-seq, Ribo-seq, and proteomics, provide powerful tools to dissect these pathways and identify therapeutic targets.
References
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- 5. Zhang L et al.. 2019. Silencing of Long Noncoding RNA SOX21-AS1 Relieves Neuronal Oxidative Stress Injury in Mice with Alzheimer's Disease by Upregulating FZD3/5 via the Wnt Signaling Pathway.. Mol Neurobiol 56(5):3522-3537 PMID: 30143969
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- 8. Lee JS et al.. 2025. An ultraconserved snoRNA-like element in long noncoding RNA CRNDE promotes ribosome biogenesis and cell proliferation.. Mol Cell 85(8):1543-1560.e10 PMID: 40185099
