Details for: CKAP2 DT

Gene ID: 123706541

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: CKAP2 DT

Ensembl ID: ENSG00000278238

Description: CKAP2 divergent transcript

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Significant Cells

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

  • erythrocyte CL0000232
    CSI 2.75
    rCSI 6.25%
    PRS 98.25

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 Size: Proportional to Target Cell CSI magnitude
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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 [CKAP2 DT](/details-gene/123706541), or CKAP2 divergent transcript, is a non-coding RNA (ncRNA) located on human chromosome 13q14.3. As an ncRNA, its primary function is likely to be regulatory rather than protein-coding. The available expression data indicates a highly specialized role, with a significant and specific expression signature found in [erythrocytes](/details-cell/CL0000232). This suggests a potential involvement in the molecular processes governing red blood cell development or maintenance. ## Cellular Roles and Expression Landscape The **Overall** expression profile of [CKAP2 DT](/details-gene/123706541) is characterized by a high degree of cell-type specificity. The analysis identifies a single cell type with prominent significance: * **[Erythrocyte](/details-cell/CL0000232):** Shows a notable Cell Significance Index (CSI) of 2.75. This indicates that the expression of [CKAP2 DT](/details-gene/123706541) is substantially elevated in mature red blood cells compared to the median gene expression across all cell types. This focused expression pattern strongly suggests that the biological function of [CKAP2 DT](/details-gene/123706541) is tightly linked to the erythroid lineage. Its role appears to be specific to the terminal stages of red blood cell biology, although its significance in precursor cells cannot be ruled out from this dataset. The absence of significant expression in other hematopoietic or non-hematopoietic lineages underscores this specificity. ## Pathways and Molecular Function Detailed functional annotations for [CKAP2 DT](/details-gene/123706541), including specific Gene Ontology (GO) terms or Reactome pathways, are not available in the provided dataset. However, based on its molecular identity and expression context, its function can be inferred. As an ncRNA highly expressed in [erythrocytes](/details-cell/CL0000232), [CKAP2 DT](/details-gene/123706541) may act as a regulatory molecule in processes critical for red blood cell function, such as: * **Erythropoiesis:** It could regulate the expression of key genes during the final stages of red blood cell maturation. * **Transcriptional or Post-Transcriptional Regulation:** The gene's name as a "divergent transcript" suggests it is transcribed in the opposite direction from the promoter of the neighboring protein-coding gene, CKAP2. Such transcripts are often involved in regulating the expression of their adjacent gene, potentially linking [CKAP2 DT](/details-gene/123706541) to the cell cycle functions of CKAP2 within the hematopoietic system. * **Maintenance of Cellular Integrity:** It might contribute to the stability of other transcripts or the overall homeostasis of mature [erythrocytes](/details-cell/CL0000232). ## Research Directions The specific expression of [CKAP2 DT](/details-gene/123706541) in [erythrocytes](/details-cell/CL0000232) opens several avenues for future investigation, particularly concerning its role in hematology and related disorders. **Proposed Testable Hypotheses:** 1. [CKAP2 DT](/details-gene/123706541) is a critical regulator of terminal erythroid differentiation, and its knockdown in hematopoietic progenitors will impair their ability to mature into functional [erythrocytes](/details-cell/CL0000232). 2. [CKAP2 DT](/details-gene/123706541) functions as a *cis*-acting regulatory RNA that modulates the expression of the adjacent CKAP2 gene, thereby influencing cell cycle exit during erythropoiesis. **Suggested Experimental Approach:** To test the hypothesis that [CKAP2 DT](/details-gene/123706541) is essential for erythropoiesis, an *in vitro* loss-of-function study could be performed. Human CD34+ hematopoietic stem and progenitor cells could be cultured and induced to differentiate along the erythroid lineage. These cells would be transduced with lentiviral vectors expressing shRNAs or a CRISPR interference (CRISPRi) system targeting the [CKAP2 DT](/details-gene/123706541) transcript. The impact of its knockdown would be assessed by monitoring the progression of differentiation via flow cytometry (using markers like CD71 and CD235a), quantifying hemoglobin production, and performing RNA-sequencing to identify downstream gene expression changes. **Therapeutic Potential:** Given its highly restricted expression in the erythroid lineage, [CKAP2 DT](/details-gene/123706541) presents a promising and potentially safe therapeutic target for blood disorders. If its dysregulation is implicated in diseases such as congenital anemias, beta-thalassemia, or polycythemia vera, it could be modulated using nucleic acid-based therapies. For instance, antisense oligonucleotides (ASOs) could be designed to specifically degrade the [CKAP2 DT](/details-gene/123706541) transcript in cases of pathogenic overexpression. Its specificity minimizes the risk of off-target effects in other tissues, making it an attractive candidate for further translational research.