Details for: LINC02424

Gene ID: 105369860

Gene Type:  ncRNA (Non-coding RNA)  - A functional RNA molecule that is transcribed from DNA but not translated into a protein. Includes classes like miRNA and lncRNA.

Symbol: LINC02424

Ensembl ID: ENSG00000258220

Description: long intergenic non-protein coding RNA 2424

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Significant Cells

Cell Significance Index (CSI) scores for the chosen context(s)

  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 1.69
    rCSI 6.09%
    PRS 99.97

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.
Network Configuration

Explore relationships of the current gene. Select an Interaction Source: 'ONTOLOGY' for shared pathways (GO/Reactome) or 'STRING' for protein-protein interactions. Further refine by selecting context genes and comparing Cell Significance Index (CSI) scores between baseline and target cell types and their specific contexts.

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  • Node Color (Target Cell CSI, relative to current network):
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    • High
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    • Very Low
    • CSI N/A
  • Node Size: Proportional to Target Cell CSI magnitude
  • STRING PPI Edge
  • Shared Pathway Edge (ONTOLOGY)

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Other Information

This section provides additional information about the gene, including a description generated by an AI language model and details about associated proteins.

## Summary [LINC02424](/details-gene/105369860) is a long intergenic non-coding RNA (lncRNA) located on human chromosome 12q21.2. As a non-coding gene, it does not produce a protein but is presumed to function at the RNA level. The current expression data is limited but points towards a highly specific role within the central nervous system. **Overall**, analysis indicates its most significant expression is in [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041), suggesting a potential contribution to the identity or function of this specific neuronal subtype. ## Cellular Roles and Expression Landscape The available data highlights a specialized expression pattern for [LINC02424](/details-gene/105369860), pointing towards a functional role in the cerebral cortex. * **Primary Expression Context:** The gene shows its highest expression significance (CSI: 1.69) in [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041). These are a specific class of projection neurons in layer 5 of the cortex that send signals to subcortical targets outside the telencephalon. The specific expression in this cell type suggests [LINC02424](/details-gene/105369860) may be involved in establishing or maintaining the unique molecular and functional identity of these critical neurons. * **Specificity and Limitations:** The provided dataset does not contain information on cell types where [LINC02424](/details-gene/105369860) has low or negligible expression. A broader analysis across diverse tissues and cell types is required to confirm its specificity to the nervous system and to rule out roles in other biological contexts. ## Pathways and Molecular Function Functional annotation data for [LINC02424](/details-gene/105369860) is not available in the provided dataset. As a lncRNA, it is hypothesized to function as a regulator of gene expression. LncRNAs can exert their effects through various mechanisms, including acting as molecular scaffolds for protein complexes, guiding chromatin-modifying enzymes to specific genomic loci, or modulating mRNA stability and translation. Given its specific expression in [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041), it is plausible that [LINC02424](/details-gene/105369860) participates in the transcriptional networks that govern neuronal subtype specification, axon guidance, or synaptic function. ## Research Directions The highly specific expression of [LINC02424](/details-gene/105369860) in a defined neuronal population makes it an intriguing candidate for further investigation into cortical circuit development and function. ### Proposed Hypotheses 1. **[LINC02424](/details-gene/105369860) is a critical regulator of L5 projection neuron identity.** It may function by modulating the expression of key transcription factors or effector genes (e.g., those encoding ion channels or cell adhesion molecules) that define the electrophysiological and connective properties of [L5 extratelencephalic projecting glutamatergic cortical neuron](/details-cell/CL4023041). 2. **[LINC02424](/details-gene/105369860) expression is dynamically regulated during cortical development and its dysregulation contributes to neurodevelopmental disorders.** Its expression may be tightly controlled during the differentiation of cortical progenitors, and alterations in its levels could disrupt the formation or connectivity of layer 5 circuits implicated in conditions like autism spectrum disorder or epilepsy. ### Experimental Approach To test the hypothesis that **[LINC02424](/details-gene/105369860) is a critical regulator of L5 projection neuron identity**, a loss-of-function study could be performed. One could use antisense oligonucleotides (ASOs) or CRISPR interference (CRISPRi) to specifically knockdown [LINC02424](/details-gene/105369860) in human induced pluripotent stem cell (iPSC)-derived cortical organoids. The consequences of the knockdown would be assessed using single-cell RNA sequencing (scRNA-seq) to determine if the transcriptional signature of L5 neurons is altered. Furthermore, functional validation via patch-clamp electrophysiology on differentiated neurons could reveal changes in firing patterns or synaptic properties, directly linking the lncRNA to neuronal function. ### Therapeutic Potential The therapeutic potential of [LINC02424](/details-gene/105369860) is currently undefined due to its uncharacterized function. However, if future research links its dysregulation to neurological or psychiatric diseases involving cortical layer 5 dysfunction (e.g., amyotrophic lateral sclerosis, certain epilepsies), it could emerge as a therapeutic target. As a non-coding RNA, it is particularly amenable to targeting by nucleic acid-based therapeutics like ASOs. Depending on its role in pathology, a therapeutic strategy could involve either inhibition (if it is pathologically overexpressed) or augmentation of its function. Its apparent neuronal specificity would be advantageous, potentially minimizing off-target effects in other tissues.