Details for: PRRX2 AS1

Gene ID: 101929437

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: PRRX2 AS1

Ensembl ID: ENSG00000236024

Description: PRRX2 antisense RNA 1

Cell Significance Landscape

Significant Cells

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

  • basal cell of epidermis CL0002187
    CSI 3.56
    rCSI 6.3%
    PRS 98.37

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 [PRRX2 AS1](/details-gene/101929437) is a non-coding RNA (ncRNA) located on chromosome 9q34.11. As an antisense transcript to the protein-coding gene *PRRX2*, its primary function is likely the regulation of its sense counterpart. Expression data indicates that [PRRX2 AS1](/details-gene/101929437) is a highly specific marker for the [basal cell of epidermis](/details-cell/CL0002187), suggesting a specialized role in skin homeostasis, differentiation, or response to injury. ## Cellular Roles and Expression Landscape **Overall**, the expression profile of [PRRX2 AS1](/details-gene/101929437) is characterized by its remarkable specificity for a single cell type. * **Epidermal Marker:** The gene shows significant expression enrichment in the [basal cell of epidermis](/details-cell/CL0002187) (CSI: 3.56). These cells are the proliferative, stem-like cells of the epidermis responsible for maintaining the skin barrier and initiating wound repair. The high significance of [PRRX2 AS1](/details-gene/101929437) in this context suggests it may be integral to the identity or function of these crucial progenitor cells. * **Functional Specificity:** The singular prominence in epidermal basal cells implies a highly localized function, likely related to skin biology. Its role appears to be distinct from processes in other major organ systems, for which expression data is not significant. ## Pathways and Molecular Function Detailed functional annotations for [PRRX2 AS1](/details-gene/101929437) from curated databases like Gene Ontology and Reactome are not currently available. However, based on its classification as an antisense RNA, its primary mechanism is predicted to be the post-transcriptional or transcriptional regulation of the *PRRX2* gene. *PRRX2* itself is a paired-related homeobox transcription factor known to be involved in embryonic development and the regulation of epithelial-mesenchymal transition (EMT), a process critical for wound healing and tissue remodeling. Therefore, the function of [PRRX2 AS1](/details-gene/101929437) is likely centered on modulating these *PRRX2*-driven pathways within the specific context of the epidermal basal layer. ## Research Directions The highly specific expression of [PRRX2 AS1](/details-gene/101929437) in epidermal basal cells provides a strong foundation for targeted research into skin biology and pathology. **Testable Hypotheses:** 1. [PRRX2 AS1](/details-gene/101929437) negatively regulates *PRRX2* expression in [basal cell of epidermis](/details-cell/CL0002187) to control the balance between cellular proliferation and differentiation, thereby maintaining epidermal homeostasis. 2. Dysregulation of [PRRX2 AS1](/details-gene/101929437) expression contributes to skin disorders characterized by abnormal keratinocyte proliferation, such as psoriasis, or impaired wound healing processes. **Proposed Experimental Approach:** To test the hypothesis that [PRRX2 AS1](/details-gene/101929437) regulates *PRRX2* and keratinocyte function, one could utilize an *in vitro* model of the human epidermis. Primary human keratinocytes or an immortalized line like HaCaT could be transfected with antisense oligonucleotides (ASOs) or siRNA designed to specifically knock down [PRRX2 AS1](/details-gene/101929437). The direct impact on *PRRX2* mRNA and protein levels would be quantified via qPCR and Western blot, respectively. Subsequently, functional consequences would be assessed using proliferation assays (e.g., EdU incorporation), differentiation marker analysis (e.g., measuring levels of Keratin 10 and Involucrin), and scratch wound healing assays to evaluate effects on cell migration. **Therapeutic Potential:** As an ncRNA with a highly tissue-restricted expression pattern, [PRRX2 AS1](/details-gene/101929437) represents an attractive potential therapeutic target. Its specificity for the epidermis suggests that targeted therapies would have a low risk of off-target effects in other organs. If its overexpression is linked to hyperproliferative skin conditions, a topically applied ASO inhibitor could be developed to restore normal function. Conversely, if its presence is essential for proper wound closure, a stabilized RNA mimic could be explored as a pro-regenerative agent.