Details for: LINC02617

Gene ID: 113523642

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: LINC02617

Ensembl ID: ENSG00000256288

Description: long intergenic non-protein coding RNA 2617

Cell Significance Landscape

Significant Cells

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

  • retinal cone cell CL0000573
    CSI 12.94
    rCSI 20.83%
    PRS 99.99

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

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  • Node Color (Target Cell CSI, relative to current network):
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    • High
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    • 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 [LINC02617](/details-gene/113523642) is a long intergenic non-coding RNA (lncRNA) located on chromosome 12p13.2. Current expression data indicate that it possesses an extraordinarily specific expression profile, with its significance almost exclusively confined to [retinal cone cells](/details-cell/CL0000573). This highly restricted expression pattern strongly suggests a specialized functional role in the biology of cone photoreceptors, potentially related to cell identity, phototransduction, or survival. ## Cellular Roles and Expression Landscape The expression landscape of [LINC02617](/details-gene/113523642) is defined by its remarkable cellular specificity. **Overall**, the gene's most significant expression is observed in [retinal cone cells](/details-cell/CL0000573) (CSI: 12.94). This high significance suggests that [LINC02617](/details-gene/113523642) may function as a key marker for this cell lineage and is likely integral to the unique biological processes of cone cells, which are responsible for color vision and high-acuity daytime vision. The apparent lack of significant expression in other cell types underscores a highly specialized role within the retina, distinguishing it from genes with broader functions. ## Pathways and Molecular Function The precise molecular functions and associated pathways of [LINC02617](/details-gene/113523642) are not yet well-characterized in major annotation databases. However, given its specific expression in [retinal cone cells](/details-cell/CL0000573), its function is likely intertwined with cone cell development, differentiation, metabolic homeostasis, or the transcriptional regulation of genes essential for phototransduction. LncRNAs frequently act by modulating gene expression through interactions with chromatin-modifying complexes or by scaffolding transcription factors. It is plausible that [LINC02617](/details-gene/113523642) plays a role in regulating the expression of cone-specific opsins or other components of the visual signaling cascade. ## Research Directions The highly specific nature of [LINC02617](/details-gene/113523642) expression in a terminally differentiated and functionally critical cell type presents several compelling avenues for future research. **Proposed Hypotheses:** 1. [LINC02617](/details-gene/113523642) functions as a transcriptional co-regulator, essential for maintaining the expression of key cone-specific genes (e.g., *OPN1SW*, *OPN1MW*, *ARR3*) by interacting with retina-specific transcription factors such as CRX. 2. The expression of [LINC02617](/details-gene/113523642) is critical for the survival and structural integrity of cone photoreceptors, and its depletion sensitizes these cells to light-induced damage or metabolic stress, contributing to cone degeneration. **Experimental Approach:** To test the hypothesis that [LINC02617](/details-gene/113523642) is a key regulator of cone cell identity, a loss-of-function study could be performed in human retinal organoids derived from induced pluripotent stem cells (iPSCs). Specific knockdown of [LINC02617](/details-gene/113523642) using antisense oligonucleotides (ASOs) or CRISPR interference (CRISPRi) within maturing organoids would be followed by single-cell RNA sequencing (scRNA-seq). This would allow for a precise assessment of transcriptomic changes specifically within the cone cell population, revealing downstream gene targets. Concurrently, techniques such as Chromatin Isolation by RNA Purification (ChIRP-seq) could identify the genomic binding sites of [LINC02617](/details-gene/113523642), clarifying its potential role in regulating chromatin architecture at cone-specific gene loci. **Therapeutic Potential:** Given its exquisite specificity for [retinal cone cells](/details-cell/CL0000573), [LINC02617](/details-gene/113523642) represents an intriguing potential therapeutic target for inherited retinal diseases characterized by cone dysfunction or degeneration, such as cone-rod dystrophies or Stargardt disease. If its function is proven to be protective or essential for cone cell health, a therapeutic strategy would likely involve **activation** or supplementation. This could potentially be achieved via AAV-mediated gene therapy to deliver the lncRNA directly to the retina or through small molecules designed to enhance its transcription or stability. Its high cell-type specificity makes it an attractive target, as therapeutic interventions would be expected to have minimal off-target effects in other retinal or systemic cell types.