Details for: CL0009039

Cell ID: CL0009039

Cell Name: colon goblet cell

Description: A goblet cell that is located in the colon.

Synonyms: goblet cell of colon

Selected Context(s): Overall

Gene Significance Landscape

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Score:
Display
Genes

Contexts:

Cell Significance Index (CSI) is uniquely calculated to reveal cell-specific gene markers. More info here

Significant Genes List

Genes with the highest and lowest Percentile Rank Scores (PRS) for colon goblet cell within the selected context(s).

Gene ID: A unique numerical identifier for this specific gene.
Symbol: Shortened abbreviation or name that represents this gene.
Ensembl Gene ID: A unique identifier assigned by Ensembl for genomic data mapping.
CSI Score: A combined effect size and statistical significance measure for colon goblet cell. Higher scores indicate a stronger, more significant difference in expression.
(Previously described as "Fold Change", but now represents Cliff's Delta × –log10(p).)

Gene ID: A unique numerical identifier for this specific gene.
Symbol: Shortened abbreviation or name that represents this gene.
Ensembl Gene ID: A unique identifier assigned by Ensembl for genomic data mapping.
CSI Score: A combined effect size and statistical significance measure for colon goblet cell. Higher scores indicate a stronger, more significant difference in expression.
Average CSI: csi sum / gene count
Cell network configuration

This network visualizes key genes for colon goblet cell. It primarily includes:
1. Top genes highly significant for this cell (Num. Top Cell Genes - based on the 'Min. CSI' setting).
2. Any additional specific 'Context Genes' you add below.
The final network is a combined view. Choose an Interaction Source (pathways or protein interactions) and optionally compare CSI scores with a Baseline Cell Type.

Maximum number of selected genes.
Select a context for the baseline cell.
Select a context for the target cell.
Target Cell for CSI:  colon goblet cell (CL0009039)

 Legend
Nodes (Genes):
 Query Gene
Node size also reflects Target Cell CSI magnitude.
Node Color (Target Cell CSI in specific network):
 Very High
 High
 Medium
 Low
 Very Low
 N/A or Not Sig.
Edges (Interactions):
 STRING (Protein-Protein)
 ONTOLOGY (Shared Pathway)
 Colors vary by pathway category; default arrow applies.

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## Summary The [colon goblet cell](/details-cell/CL0009039) is a specialized epithelial cell located in the colon, primarily responsible for the synthesis and secretion of mucus to form the protective mucosal barrier. Based on its gene significance profile, this cell type is distinguished by an exceptionally high and specific expression of genes involved in mitochondrial energy production. This suggests that the cell's identity and primary function are intrinsically linked to a massive energetic capacity, likely dedicated to the constant and demanding process of mucin synthesis and exocytosis. ## Key Characteristics and Function **Overall**, the transcriptional landscape of the [colon goblet cell](/details-cell/CL0009039) is overwhelmingly dominated by genes essential for cellular respiration and energy metabolism. * **Mitochondrial Powerhouse:** The most significant defining markers for this cell type are components of the mitochondrial electron transport chain and ATP synthase complex. This includes multiple NADH dehydrogenase subunits ([ND1](/details-gene/4535), [ND2](/details-gene/4536), [ND3](/details-gene/4537), [ND4](/details-gene/4538), [ND5](/details-gene/4540)), cytochrome c oxidase subunits ([COX2](/details-gene/4513), [COX6C](/details-gene/1345), [COX5B](/details-gene/1329), [COX4I1](/details-gene/1327)), ATP synthase subunits ([ATP6](/details-gene/4508), [ATP5F1B](/details-gene/506)), and cytochrome b ([CYTB](/details-gene/4519)). The high z-score CSI values for these genes indicate that this intense mitochondrial gene expression is a highly specific and unique characteristic of colon goblet cells compared to other cell types. This profile underscores an enormous and continuous demand for ATP to fuel their primary function. * **High Metabolic Throughput:** Supporting the mitochondrial signature, the glycolytic enzyme [GAPDH](/details-gene/2597) is also a highly significant marker. This dual signature in both glycolysis and oxidative phosphorylation points to a cell with a very high overall metabolic rate, geared towards producing the vast quantities of energy and biosynthetic precursors required for its secretory role. * **Protein Synthesis and Secretion Machinery:** The high significance of genes like [UBB](/details-gene/7314) (Ubiquitin B) and [TPT1](/details-gene/7178) (Translationally controlled tumor protein) is consistent with a cell engaged in high-volume protein synthesis. Efficient protein turnover and quality control, mediated by the ubiquitin-proteasome system, are critical in cells that produce and process large amounts of secretory proteins like mucins. Furthermore, the presence of [MYL6](/details-gene/4637), a myosin light chain, suggests a role for the cytoskeleton in the transport and exocytosis of mucin-filled granules. ## Clinical Significance and Contextual Roles The profound reliance of [colon goblet cells](/details-cell/CL0009039) on mitochondrial function suggests that their viability and function are tightly linked to cellular metabolic health. Dysregulation of this energetic machinery could severely impair mucus production, potentially compromising the integrity of the colonic barrier. This could be a contributing factor in inflammatory conditions such as inflammatory bowel disease (IBD), where barrier dysfunction is a key pathological feature. Notably, a study on the HT-29 human colonic adenocarcinoma cell line demonstrated that differentiation into a mucin-producing, goblet-like phenotype correlates with a significant increase in the expression of mitochondrial genes, including [ND4](/details-gene/4538) ([Link](https://pubmed.ncbi.nlm.nih.gov/1377597/)). This finding provides direct evidence linking the mitochondrial gene signature identified here with the functional differentiation of colonic epithelial cells. It suggests that the metabolic state is not merely a consequence of secretory activity but may be a fundamental regulator of the goblet cell phenotype itself. Therefore, alterations in this metabolic profile could be an important aspect of both inflammatory and neoplastic diseases of the colon. ## Potential Mechanisms and Research Directions 1. **Hypothesis:** The defining transcriptional signature of [colon goblet cells](/details-cell/CL0009039) is an exceptionally high expression of mitochondrial genes, reflecting the massive and continuous energy demand required for mucin biosynthesis, glycosylation, packaging, and secretion. This high metabolic state is essential for maintaining the colonic mucosal barrier. * **Surprising Findings:** While high metabolic activity is expected for a major secretory cell, it is striking that mitochondrial genes are the most *specific* markers (highest `csi_z`). This suggests the sheer scale of this energetic program is a primary feature that distinguishes goblet cells from other cell types, rather than the secretory products themselves. * **Testable Question:** Does targeted pharmacological inhibition of the mitochondrial electron transport chain disproportionately reduce mucin protein synthesis and secretion rates in [colon goblet cells](/details-cell/CL0009039) compared to adjacent, less metabolically active colonocytes in primary organoid cultures? 2. **Hypothesis:** The expression level of key mitochondrial genes, such as [ND4](/details-gene/4538), serves as a direct molecular indicator of the differentiation and functional status of colonic epithelial cells. A decrease in this metabolic signature may precede or accompany pathological changes, such as the loss of goblet cells in ulcerative colitis or the aberrant differentiation seen in colorectal cancer. * **Surprising Findings:** The direct correlation between mitochondrial RNA levels and goblet-like maturation in a colon cancer cell line ([Link](https://pubmed.ncbi.nlm.nih.gov/1377597/)) elevates these metabolic genes from simple "housekeeping" roles to potential regulators or biomarkers of cell fate in the colonic epithelium. * **Testable Question:** Using spatial transcriptomics or single-cell RNA sequencing on patient biopsies from IBD and colorectal cancer, does the expression level of a mitochondrial gene signature ([ND1](/details-gene/4535), [ND4](/details-gene/4538), [COX2](/details-gene/4513)) within epithelial cells strongly correlate with goblet cell density and the expression of terminal differentiation markers like *MUC2*?