Details for: MKLN1 AS

Gene ID: 100506881

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: MKLN1 AS

Ensembl ID: ENSG00000236753

Description: MKLN1 antisense RNA

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Significant Cells

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

  • astrocyte of the cerebral cortex CL0002605
    CSI 2.04
    rCSI 4.58%
    PRS 99.63

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 [MKLN1 AS](/details-gene/100506881) is a non-coding RNA (ncRNA) located on human chromosome 7q32.3. As an antisense transcript to the protein-coding gene *MKLN1*, its primary function is likely related to the post-transcriptional regulation of its sense counterpart. **Overall**, expression data indicates a specific enrichment of [MKLN1 AS](/details-gene/100506881) in glial cells of the central nervous system, particularly [astrocyte of the cerebral cortex](/details-cell/CL0002605), suggesting a specialized role in neural tissue. ## Cellular Roles and Expression Landscape The expression profile of [MKLN1 AS](/details-gene/100506881) is characterized by its significant presence in a specific neural cell type. * **Central Nervous System Specificity:** In the **Overall** context, [MKLN1 AS](/details-gene/100506881) is identified as a significant transcript in the [astrocyte of the cerebral cortex](/details-cell/CL0002605) (CSI: 2.04). Astrocytes are critical for maintaining brain homeostasis, providing metabolic support to neurons, and participating in synaptic transmission and immune response. The elevated expression in this cell type suggests that [MKLN1 AS](/details-gene/100506881) may be involved in these specialized astrocytic functions. * **Expression Specificity:** The available data is limited to a single significant cell type. A comprehensive understanding of its specificity requires further data from a broader range of cells, particularly to determine if its expression is restricted to the nervous system or if it plays roles in other tissues. ## Pathways and Molecular Function The specific molecular functions and biological pathways involving [MKLN1 AS](/details-gene/100506881) are not well-characterized in public databases. However, based on its classification as an antisense RNA, its mechanism of action likely involves the regulation of the *MKLN1* gene. MKLN1 (Muskelin 1) is known to be involved in processes such as cell adhesion and cytoskeletal organization. Therefore, [MKLN1 AS](/details-gene/100506881) may function by binding to *MKLN1* mRNA, potentially affecting its stability, transport, or translation. This regulatory action could indirectly influence the cytoskeletal dynamics and adhesive properties of the cells where it is expressed, such as [astrocyte of the cerebral cortex](/details-cell/CL0002605). ## Research Directions The specific expression of [MKLN1 AS](/details-gene/100506881) in astrocytes opens several avenues for future research into its role in both normal brain function and neuropathology. **Proposed Hypotheses:** 1. [MKLN1 AS](/details-gene/100506881) acts as a negative regulator of MKLN1 protein expression in [astrocyte of the cerebral cortex](/details-cell/CL0002605). By controlling MKLN1 levels, it may modulate astrocyte morphology and plasticity, which are critical for processes like synaptic pruning and the formation of the glial scar after injury. 2. The expression of [MKLN1 AS](/details-gene/100506881) is dynamically regulated in response to neurological insults, such as ischemia or neuroinflammation. Its upregulation or downregulation could be a key component of the reactive astrogliosis process, thereby influencing neuronal survival and recovery. **Key Experimental Approach:** * To test the hypothesis that [MKLN1 AS](/details-gene/100506881) regulates MKLN1 and astrocyte function, one could utilize antisense oligonucleotides (ASOs) to specifically knock down [MKLN1 AS](/details-gene/100506881) in primary human astrocyte cultures or in iPSC-derived astrocyte models. The impact of this knockdown on MKLN1 mRNA and protein levels would be measured via qRT-PCR and western blotting. Subsequently, functional assays, such as immunofluorescence staining for cytoskeletal markers (e.g., GFAP), scratch-wound assays to assess migration, and co-culture systems with neurons, could be employed to determine the functional consequences of its depletion on astrocyte biology. **Therapeutic Potential:** * Given its apparent specificity for astrocytes and its nature as an ncRNA, [MKLN1 AS](/details-gene/100506881) could represent a potential therapeutic target for neurological disorders characterized by dysfunctional astrocytic activity. If its overexpression is linked to a pathogenic state (e.g., excessive glial scarring), it could be a candidate for inhibition using targeted ASO-based therapies designed to restore normal MKLN1 levels and astrocyte function. However, its therapeutic relevance is currently speculative and requires a clear link to a disease mechanism.