Details for: LINC02757

Gene ID: 101928813

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: LINC02757

Ensembl ID: ENSG00000255363

Description: long intergenic non-protein coding RNA 2757

Cell Significance Landscape

Significant Cells

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

  • megakaryocyte CL0000556
    CSI 1.73
    rCSI 7.52%
    PRS 99.88

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 [LINC02757](/details-gene/101928813) is a long intergenic non-protein coding RNA (lincRNA) located on chromosome 11q13.5. Based on the available expression data, this gene exhibits its most significant expression in [megakaryocytes](/details-cell/CL0000556). This specific expression pattern suggests a potential regulatory function within the hematopoietic system, particularly in the processes of megakaryopoiesis and platelet formation. ## Cellular Roles and Expression Landscape The expression profile of [LINC02757](/details-gene/101928813) points towards a specialized role in hematopoiesis. * **Primary Expression Context:** In the **Overall** analysis, [LINC02757](/details-gene/101928813) is identified as a significant gene in [megakaryocytes](/details-cell/CL0000556) (CSI: 1.73). [Megakaryocytes](/details-cell/CL0000556) are large bone marrow cells responsible for the production of blood platelets, which are essential for hemostasis and blood clotting. The notable significance of a lincRNA in these cells is consistent with a regulatory role in their differentiation, maturation, or the complex process of proplatelet formation. * **Expression Specificity:** The provided data is limited to this single cell type, which may indicate a highly restricted expression pattern. Further investigation is required to determine its significance, or lack thereof, in other cell lineages. ## Pathways and Molecular Function The specific molecular functions and biological pathways associated with [LINC02757](/details-gene/101928813) are not well-characterized in the provided functional annotation data. However, its specific expression in [megakaryocytes](/details-cell/CL0000556) strongly implies an involvement in the regulatory networks that govern thrombopoiesis (platelet production). As a lincRNA, it likely functions by influencing gene expression at the transcriptional or post-transcriptional level, potentially modulating the key transcription factors (e.g., GATA1, RUNX1, FLI1) that drive megakaryocyte development. ## Research Directions The specific expression of [LINC02757](/details-gene/101928813) in [megakaryocytes](/details-cell/CL0000556) opens several avenues for future research, particularly concerning its role in both normal hematopoiesis and hematological disorders. **Proposed Hypotheses:** 1. [LINC02757](/details-gene/101928813) acts as a critical regulator of megakaryocyte maturation and proplatelet formation. Its expression level may be temporally controlled during differentiation, and its knockdown or overexpression would impair the ability of megakaryocytes to produce functional platelets. 2. Dysregulation of [LINC02757](/details-gene/101928813) expression is implicated in the pathophysiology of platelet-related disorders. For instance, aberrant expression could contribute to essential thrombocythemia (overproduction of platelets) or congenital thrombocytopenias (impaired platelet production). **Suggested Experimental Approach:** To test the hypothesis that [LINC02757](/details-gene/101928813) is a key regulator of megakaryocyte function, an *in vitro* study using primary human hematopoietic stem and progenitor cells (HSPCs) could be performed. HSPCs would be transduced with lentiviral vectors encoding shRNAs targeting [LINC02757](/details-gene/101928813) or a non-targeting control. Following induction of megakaryocytic differentiation, the impact of [LINC02757](/details-gene/101928813) knockdown would be assessed by measuring changes in cell ploidy, expression of surface markers like CD41 and CD61 via flow cytometry, and the formation of proplatelets using microscopy. RNA-sequencing of knockdown cells could further identify downstream target genes and affected signaling pathways. **Therapeutic Potential:** As a lincRNA with a potentially highly specific expression pattern, [LINC02757](/details-gene/101928813) could represent a novel therapeutic target for platelet disorders. If its overexpression is linked to diseases like essential thrombocythemia, it could be a candidate for **inhibition** using nucleic acid-based therapeutics such as antisense oligonucleotides (ASOs) or siRNAs. The restricted expression to [megakaryocytes](/details-cell/CL0000556) would be advantageous, potentially minimizing off-target effects in other tissues. Conversely, if its loss-of-function leads to thrombocytopenia, developing a strategy for therapeutic **activation** or replacement would be significantly more challenging.