Details for: CL4023063

Cell ID: CL4023063

Cell Name: medial ganglionic eminence derived interneuron

Description: An interneuron that is derived from the medial ganglionic eminence. In mice and humans, it expresses LHX6 and SOX6.

Synonyms: MGE interneuron

Selected Context(s): Overall

Gene Significance Landscape

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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 medial ganglionic eminence derived interneuron 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 medial ganglionic eminence derived interneuron. 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 medial ganglionic eminence derived interneuron. 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 medial ganglionic eminence derived interneuron. 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.

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Select a context for the target cell.
Target Cell for CSI:  medial ganglionic eminence derived interneuron (CL4023063)

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Node size also reflects Target Cell CSI magnitude.
Node Color (Target Cell CSI in specific network):
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 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 **[medial ganglionic eminence derived interneuron](/details-cell/CL4023063)** is a class of inhibitory neuron originating from a specific neurodevelopmental niche, the medial ganglionic eminence (MGE). These cells are crucial for establishing the appropriate balance of excitation and inhibition in the central nervous system. The gene significance profile for this cell type, analyzed in an **Overall** context, reveals that its identity is profoundly defined by a highly specific suite of genes involved in transcriptional and epigenetic regulation. Top markers such as **[RERE](/details-gene/473)**, **[ARID1B](/details-gene/57492)**, and **[TCF4](/details-gene/6925)** possess high z-score Cell Significance Indices (CSI), indicating that a unique gene regulatory network is the most distinguishing feature of this interneuron subtype, orchestrating its development, migration, and ultimate function within neural circuits. ## Key Characteristics and Function The functional identity of the **[MGE interneuron](/details-cell/CL4023063)** is underscored by several key clusters of highly specific genes. * **Transcriptional and Chromatin Regulation:** The most prominent characteristic of this cell is its reliance on a specific set of master regulatory proteins. High CSI scores for **[RERE](/details-gene/473)** (CSI: 10.12), a transcription coactivator, **[ARID1B](/details-gene/57492)** (CSI: 10.01), a core component of chromatin remodeling complexes, and **[TCF4](/details-gene/6925)** (CSI: 9.79), a basic helix-loop-helix transcription factor, suggest that the cell's fate and function are governed by a tightly controlled epigenetic and transcriptional program. Other significant markers in this category include **[AUTS2](/details-gene/26053)**, **[MED13L](/details-gene/23389)**, and **[MYT1L](/details-gene/23040)**, reinforcing the concept that maintaining a precise gene expression landscape is fundamental to this cell's identity. * **Neuronal Migration and Cytoskeletal Organization:** As a cell type that undergoes long-distance migration during development, it is distinguished by specific genes controlling these processes. **[TRIO](/details-gene/7204)**, a guanine nucleotide exchange factor, and **[NAV2](/details-gene/89797)** are crucial for cytoskeletal dynamics and cell guidance. The high specificity of **[AUTS2](/details-gene/26053)** (CSI: 8.94), which is directly involved in neuron migration, and **[DST](/details-gene/667)**, a cytoskeletal linker protein, further highlights a specialized molecular machinery for navigating the complex environment of the developing brain. * **Signal Transduction:** The cell exhibits a unique profile of signaling molecules, suggesting specialized responses to extracellular cues. The high significance of **[PDE4D](/details-gene/5144)** (CSI: 9.54), a cyclic-AMP phosphodiesterase, indicates that cAMP signaling pathways are under precise regulation. Similarly, the specificity of **[NF1](/details-gene/4763)** (CSI: 8.84), a Ras-GTPase activating protein, points to distinct control over MAPK and other critical signaling cascades. * **Shared Neuronal Machinery:** Conversely, genes with lower (though still positive) specificity scores, such as the canonical synaptic vesicle protein **[SYT1](/details-gene/6857)** or the glutamate receptor subunit **[GRIK2](/details-gene/2898)**, are less uniquely defining of this specific interneuron subtype. This suggests they represent core components of shared neuronal machinery rather than the primary drivers of this cell's unique identity. ## Clinical Significance and Contextual Roles The gene signature of the **[MGE interneuron](/details-cell/CL4023063)** has profound clinical implications, as an overwhelming number of its top-ranking markers are directly implicated in neurodevelopmental and neuropsychiatric disorders. The high specificity of **[TCF4](/details-gene/6925)** is particularly notable, as its haploinsufficiency causes Pitt-Hopkins syndrome, a severe mental retardation disorder, and it is also a major susceptibility gene for schizophrenia ([Link](https://doi.org/10.1371/journal.pone.0022138)). Similarly, **[AUTS2](/details-gene/26053)** is a well-established candidate gene for autism spectrum disorders and intellectual disability ([Link](https://doi.org/10.1006/geno.2002.6810)). Mutations in other top markers, including **[ARID1B](/details-gene/57492)** (Coffin-Siris syndrome), **[NF1](/details-gene/4763)** (Neurofibromatosis type 1), and **[MED13L](/details-gene/23389)** (congenital intellectual disability), further strengthen this association. This convergence of disease-associated genes strongly suggests that the proper development, migration, and functional integration of **[MGE-derived interneurons](/details-cell/CL4023063)** are critical nodes for cognitive and neurological health. Dysfunction in this single cell type, likely stemming from disruptions in the core transcriptional and signaling networks identified here, may represent a common pathogenic mechanism underlying a broad spectrum of clinically distinct neurodevelopmental conditions. ## Potential Mechanisms and Research Directions Based on the integrated gene significance data, we can propose several hypotheses regarding the biology of the **[MGE interneuron](/details-cell/CL4023063)**. 1. **Hypothesis: The unique identity and migratory capacity of MGE-derived interneurons are dictated by a specific epigenetic and transcriptional state established by a consortium of disease-implicated regulatory proteins.** * ***Surprising Findings:*** It is remarkable that the most specific markers for this cell type are not terminal effector proteins (like ion channels or receptors) but rather high-level regulators of gene expression ([RERE](/details-gene/473), [ARID1B](/details-gene/57492), [TCF4](/details-gene/6925), [AUTS2](/details-gene/26053)). This suggests the cell's most unique feature is its foundational "operating system" or identity program, which in turn orchestrates its specialized functions. The link of [RERE](/details-gene/473) to apoptosis regulation is also intriguing, implying that survival pathways are uniquely tailored to sculpt this interneuron population ([Link](https://pubmed.ncbi.nlm.nih.gov/11331249/)). * ***Testable Questions:*** Does conditional knockout of [ARID1B](/details-gene/57492) or [TCF4](/details-gene/6925) specifically in MGE progenitors lead to defects in interneuron lamination and synaptic integration in vivo? What are the direct downstream genomic targets co-regulated by these factors in MGE-derived interneurons, and do these targets converge on pathways controlling cell migration and synapse formation? 2. **Hypothesis: The precision of interneuron migration and circuit integration is dependent on tightly regulated intracellular signaling cascades, particularly those involving cAMP and small GTPases, which are modulated by cell-type specific enzymes.** * ***Surprising Findings:*** The high specificity of **[PDE4D](/details-gene/5144)** (CSI: 9.54), an enzyme that degrades cAMP, is unexpected for a defining cell marker. This suggests that the spatial and temporal control of this critical second messenger is exceptionally stringent in MGE interneurons, perhaps to fine-tune their sensitivity to guidance cues or to regulate activity-dependent stages of maturation. This tight regulation may be a key vulnerability in developmental disorders. * ***Testable Questions:*** How does pharmacological inhibition or genetic knockdown of **[PDE4D](/details-gene/5144)** affect the directional migration and leading process dynamics of MGE-derived interneurons in an ex vivo brain slice culture system? Does the guanine nucleotide exchange factor **[TRIO](/details-gene/7204)** interact with specific upstream receptors to translate guidance cues into cytoskeletal changes, and can this interaction be therapeutically targeted?