Details for: MTCO1P12

Gene ID: 107075141

Gene Type:  Pseudogene  - A non-functional segment of DNA that resembles a functional gene but has lost its protein-coding ability or is otherwise no longer expressed.

Symbol: MTCO1P12

Ensembl ID: ENSG00000237973

Description: MT-CO1 pseudogene 12

Cell Significance Landscape

Significant Cells

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

  • CD4-positive, alpha-beta thymocyte CL0000810
    CSI 11.72
    rCSI 9.39%
    PRS 95.84
  • ON-bipolar cell CL0000749
    CSI 8.83
    rCSI 13.12%
    PRS 92.94
  • CD8-positive, alpha-beta thymocyte CL0000811
    CSI 6.22
    rCSI 9.69%
    PRS 97.39
  • goblet cell CL0000160
    CSI 5.78
    rCSI 5.46%
    PRS 92.49
  • intermediate monocyte CL0002393
    CSI 5.48
    rCSI 8.26%
    PRS 97.06
  • endocrine cell CL0000163
    CSI 5.33
    rCSI 27.36%
    PRS 97.07
  • keratocyte CL0002363
    CSI 3.28
    rCSI 7.89%
    PRS 94.94
  • primordial germ cell CL0000670
    CSI 3.19
    rCSI 15.94%
    PRS 95.32
  • stratified epithelial cell CL0000079
    CSI 3.09
    rCSI 19.08%
    PRS 95.59
  • retinal cone cell CL0000573
    CSI 3.09
    rCSI 4.97%
    PRS 88.29
  • professional antigen presenting cell CL0000145
    CSI 2.94
    rCSI 10.14%
    PRS 95.86
  • mast cell CL0000097
    CSI 2.91
    rCSI 6.29%
    PRS 91.44
  • non-classical monocyte CL0000875
    CSI 1.84
    rCSI 2.96%
    PRS 97.14

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.

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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)

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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 [MTCO1P12](/details-gene/107075141) is a processed pseudogene located on chromosome 1, derived from the mitochondrially-encoded gene *MT-CO1*, which is a core subunit of the electron transport chain. Despite its classification as a pseudogene, [MTCO1P12](/details-gene/107075141) exhibits a distinct and significant expression pattern. **Overall**, its expression is most prominent in cell types known for high metabolic activity or specific developmental stages, including [CD4-positive, alpha-beta thymocyte](/details-cell/CL0000810), retinal [ON-bipolar cell](/details-cell/CL0000749), and [CD8-positive, alpha-beta thymocyte](/details-cell/CL0000811). This suggests that while likely non-coding, its transcript may play a regulatory role associated with cellular energy demands or differentiation processes in specific lineages within the immune and nervous systems. ## Cellular Roles and Expression Landscape The expression profile of [MTCO1P12](/details-gene/107075141) is characterized by high significance in a surprisingly diverse set of cell types, indicating a potentially conserved role across different tissues. **Overall**, the gene's most significant expression is observed in the thymus, specifically within developing T cell populations such as [CD4-positive, alpha-beta thymocyte](/details-cell/CL0000810) (CSI: 11.72) and [CD8-positive, alpha-beta thymocyte](/details-cell/CL0000811) (CSI: 6.22). This strong association with thymocytes, which undergo rigorous selection and proliferation, suggests a possible link to the high energetic requirements of T cell development. A second major site of expression is the retina, where it is a significant marker for [ON-bipolar cell](/details-cell/CL0000749) (CSI: 8.83). The high metabolic rate of retinal neurons, required to maintain electrochemical gradients for phototransduction, is consistent with the expression of a gene related to mitochondrial function. Beyond these primary sites, [MTCO1P12](/details-gene/107075141) also shows notable expression in various secretory and immune cells, including [goblet cell](/details-cell/CL0000160), [endocrine cell](/details-cell/CL0000163), and [intermediate monocyte](/details-cell/CL0002393). This broad but specific expression pattern in seemingly unrelated, high-energy-demand cell types points towards a potential role in fundamental cellular processes, possibly related to the regulation of metabolism. ## Pathways and Molecular Function As a pseudogene of *MT-CO1* (Cytochrome c oxidase subunit I), [MTCO1P12](/details-gene/107075141) is directly linked to the machinery of cellular respiration. The parent gene's product is a catalytic subunit of Complex IV of the mitochondrial electron transport chain, which is essential for aerobic ATP production. While [MTCO1P12](/details-gene/107075141) is presumed to be non-protein-coding, the expression of its transcript is significant. In contemporary molecular biology, expressed pseudogenes are increasingly recognized for their regulatory capabilities. They can function as competing endogenous RNAs (ceRNAs), which act as microRNA (miRNA) "sponges." By sequestering miRNAs, they can de-repress the translation of target mRNAs, including potentially that of the parent *MT-CO1* gene or other key metabolic regulators. The high expression of [MTCO1P12](/details-gene/107075141) in metabolically active cells like thymocytes and retinal neurons is consistent with a potential role in fine-tuning mitochondrial output to meet cellular energy demands. ## Research Directions The specific expression pattern of the [MTCO1P12](/details-gene/107075141) pseudogene in metabolically demanding cells provides a foundation for several testable hypotheses regarding its non-coding function. 1. **Regulatory ceRNA Hypothesis:** The expression of [MTCO1P12](/details-gene/107075141) in [CD4-positive, alpha-beta thymocyte](/details-cell/CL0000810) and [ON-bipolar cell](/details-cell/CL0000749) acts to regulate cellular metabolism by functioning as a ceRNA. It may sequester specific microRNAs that would otherwise suppress the translation of the parent *MT-CO1* mRNA or other critical components of the oxidative phosphorylation pathway, thereby supporting the high energy needs of these cells. 2. **Biomarker of Metabolic State:** The transcript level of [MTCO1P12](/details-gene/107075141) may serve as a sensitive biomarker for the metabolic state or mitochondrial health of specific cell populations. Dysregulation of its expression could be an early indicator of cellular stress, mitochondrial dysfunction, or oncogenic transformation in diseases affecting the thymus, retina, or certain immune cells. **Key Experimental Proposal:** To test the ceRNA hypothesis, one could employ CRISPR interference (CRISPRi) to specifically repress the transcription of [MTCO1P12](/details-gene/107075141) in a human T-cell line (e.g., Jurkat cells). Following knockdown, the functional consequences would be assessed by quantifying the protein levels of MT-CO1 via Western blot, measuring changes in oxygen consumption rates using a Seahorse XF Analyzer to evaluate mitochondrial respiration, and performing RNA-seq to identify global transcriptomic changes and confirm effects on predicted miRNA targets and metabolic pathways. **Therapeutic Potential:** As a non-coding RNA, [MTCO1P12](/details-gene/107075141) is not a conventional drug target. However, if its role as a regulator of mitochondrial function is validated, it could represent a novel target for therapeutic intervention using nucleic acid-based drugs. For instance, in metabolic disorders or cancers characterized by aberrant energy metabolism, antisense oligonucleotides (ASOs) could be designed to modulate [MTCO1P12](/details-gene/107075141) levels. Inhibition of its expression could potentially reduce mitochondrial activity in hyper-proliferative cancer cells, representing a novel therapeutic strategy. This potential remains highly speculative and would require extensive preclinical validation of its mechanism of action.