Details for: LINC00863

Gene ID: 439994

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: LINC00863

Ensembl ID: ENSG00000224914

Description: long intergenic non-protein coding RNA 863

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Significant Cells

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

  • erythrocyte CL0000232
    CSI 3.31
    rCSI 7.5%
    PRS 99.67

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.

Comma-separated if multiple.
Comma-separated if multiple.
Legend:
  • Query Gene
  • Node Color (Target Cell CSI, relative to current network):
    • Very High
    • High
    • Medium
    • Low
    • Very Low
    • CSI N/A
  • Node Size: Proportional to Target Cell CSI magnitude
  • STRING PPI Edge
  • Shared Pathway Edge (ONTOLOGY)

Loading network (please wait)...

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 [LINC00863](/details-gene/439994) is a long intergenic non-protein coding RNA (lincRNA) located on chromosome 10q23.2. Based on expression data, this gene exhibits highly specific and significant expression in [erythrocyte](/details-cell/CL0000232)s, suggesting a specialized role within the context of red blood cell biology. Its function remains largely uncharacterized, but its expression pattern points towards potential involvement in erythropoiesis or the maintenance of mature erythrocyte function. ## Cellular Roles and Expression Landscape The expression profile of [LINC00863](/details-gene/439994) is remarkably specific. **Overall**, the gene's expression is predominantly and significantly confined to a single cell type. * **Primary Cell Type Association:** The most significant expression is observed in the [erythrocyte](/details-cell/CL0000232) (CSI: 3.31). This high significance suggests that [LINC00863](/details-gene/439994) may function as a key regulatory molecule or a structural component integral to the identity and function of mature red blood cells. The lack of significant expression in other cell types implies a highly specialized role, potentially related to the terminal stages of erythroid differentiation or the unique anucleated state of erythrocytes. ## Pathways and Molecular Function The specific molecular functions and biological pathways associated with [LINC00863](/details-gene/439994) are not detailed in the provided functional annotation data. Its classification as a long non-coding RNA suggests it may function through various mechanisms, such as regulating gene expression at the transcriptional or post-transcriptional level, acting as a molecular scaffold for protein complexes, or serving as a precursor for smaller functional RNAs. Its specific role within the [erythrocyte](/details-cell/CL0000232) context remains to be elucidated. ## Research Directions The highly specific expression pattern of [LINC00863](/details-gene/439994) in erythrocytes provides a strong basis for further investigation into its role in hematology and red blood cell disorders. ### Proposed Hypotheses 1. **Role in Erythropoiesis:** [LINC00863](/details-gene/439994) may be a critical regulator of terminal erythroid differentiation. Its expression might be induced during the final stages of erythroblast maturation, contributing to processes such as enucleation, hemoglobin accumulation, or cytoskeletal remodeling. 2. **Maintenance of Erythrocyte Integrity:** Given its high expression in mature [erythrocyte](/details-cell/CL0000232)s, [LINC00863](/details-gene/439994) could be involved in maintaining the structural integrity, membrane stability, or metabolic homeostasis of circulating red blood cells throughout their lifespan. ### Experimental Approach To test the hypothesis that [LINC00863](/details-gene/439994) is crucial for terminal erythroid differentiation, a targeted knockdown or knockout study could be performed. * **Experiment:** Utilize a CRISPR-Cas9 or antisense oligonucleotide (ASO) approach to deplete [LINC00863](/details-gene/439994) in an *in vitro* model of human erythropoiesis, such as CD34+ hematopoietic stem and progenitor cells (HSPCs) differentiated towards the erythroid lineage. The impact of its depletion would be assessed by monitoring key differentiation markers (e.g., Glycophorin A, Band 3), rates of enucleation, cell morphology, and hemoglobin content via flow cytometry, imaging, and biochemical assays. ### Therapeutic Potential Given its extreme specificity for [erythrocyte](/details-cell/CL0000232)s, [LINC00863](/details-gene/439994) is an unlikely direct therapeutic target for inhibition, as this could lead to anemia or other red blood cell defects. However, it holds significant potential as a biomarker. Dysregulation of [LINC00863](/details-gene/439994) expression could be indicative of specific red blood cell disorders, such as congenital anemias or polycythemia vera. Further research could validate its utility as a diagnostic or prognostic marker for diseases characterized by aberrant erythropoiesis.