Details for: CL0001074

Cell ID: CL0001074

Cell Name: CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human

Description: An innate lymphoid cell precursor in the human with the phenotype CD34-positive, CD56-positive, CD117-positive.Thie cell type may include precusors to NK cells and ILC3 cells.

Synonyms: CD34-positive, CD56-positive, CD117-positive CILP

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 CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human 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 CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human. 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 CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human. 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 CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human. 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:  CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human (CL0001074)

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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 [CD34-positive, CD56-positive, CD117-positive common innate lymphoid precursor, human](/details-cell/CL0001074) is an early progenitor cell within the human hematopoietic system, identified by its specific cell surface marker profile. As its name implies, this cell is a precursor to multiple innate lymphoid cell (ILC) lineages, potentially including [Natural Killer (NK) cells](/details-cell/CL0000623) and ILC3s. The gene significance profile of this cell is dominated by genes involved in fundamental cellular processes such as RNA binding and processing, transcriptional regulation, and energy metabolism. This suggests a highly active, "poised" state, primed for rapid proliferation and differentiation in response to developmental cues from the tissue microenvironment. ## Key Characteristics and Function **Overall**, the molecular signature of this common innate lymphoid precursor (CILP) points to a cell actively managing its transcriptional and translational landscape to maintain a state of multipotency while being prepared for lineage commitment. * **Post-Transcriptional Regulation:** A prominent functional theme among the top marker genes is related to RNA binding and processing. The high significance of genes like [PCBP2](/details-gene/5094), [ZFP36](/details-gene/7538), [HNRNPA2B1](/details-gene/3181), [HNRNPC](/details-gene/3183), and [YBX1](/details-gene/4904) suggests that post-transcriptional control is a critical regulatory layer in these cells. [ZFP36](/details-gene/7538), for instance, is known to bind and destabilize mRNAs containing AU-rich elements, a process crucial for controlling the expression of transient response genes like cytokines. This robust machinery may allow the cell to maintain a poised state by transcribing lineage-specific genes but preventing their translation until the appropriate differentiation signal is received. * **Transcriptional and Proliferative Poise:** The cell expresses high levels of key transcription factors and regulators, including components of the AP-1 complex ([JUN](/details-gene/3725) and [FOS](/details-gene/2353)), which are central to regulating cell proliferation and differentiation. Concurrently, the anti-proliferative gene [BTG1](/details-gene/694) is also a top marker. This co-expression of potent pro- and anti-proliferative factors indicates a tightly controlled balance, likely preventing premature or uncontrolled expansion while keeping the cell ready to enter the cell cycle upon stimulation. * **High Metabolic Activity:** The specific expression of genes integral to core metabolic pathways, such as [GAPDH](/details-gene/2597) (glycolysis) and several components of the mitochondrial ATP synthase and respiratory chain ([ATP5MC2](/details-gene/517), [COX4I1](/details-gene/1327), [ATP5F1E](/details-gene/514)), highlights the high energetic demand of this precursor cell. This metabolic readiness is essential to fuel the biosynthetic processes required for cell division and differentiation into effector ILCs. * **Immature Phenotype Confirmation:** The list of anti-markers reinforces the cell's precursor identity. The low significance of [KLRC1](/details-gene/3821) (NKG2A), an inhibitory receptor characteristic of mature [NK cells](/details-cell/CL0000623), confirms that this cell has not yet committed to or completed the NK cell differentiation program. Similarly, the low score for [GATA3](/details-gene/2625), the master regulator for the ILC2 lineage, is consistent with the cell's described potential to generate NK cells and ILC3s, suggesting it is upstream of the ILC2 commitment point. ## Clinical Significance and Contextual Roles The [CD34-positive, CD56-positive, CD117-positive CILP](/details-cell/CL0001074) represents a critical developmental hub for the innate immune system. Its ability to generate diverse ILC populations, particularly NK cells and ILC3s, makes it fundamentally important for both health and disease. The high expression of proto-oncogenes such as [JUN](/details-gene/3725) and [FOS](/details-gene/2353), alongside the translationally controlled tumor protein [TPT1](/details-gene/7178), is characteristic of its normal proliferative and developmental state. However, dysregulation of these pathways could potentially contribute to the pathogenesis of hematological malignancies, where precursor cells undergo uncontrolled proliferation. Understanding the regulatory networks that maintain the balance between self-renewal and differentiation in this population is crucial. Functionally, the downstream progeny of these precursors have direct clinical relevance. NK cells are vital for immune surveillance against viral infections and cancer, while ILC3s are key players in maintaining mucosal barrier integrity, particularly in the gut. Aberrant ILC3 function has been implicated in inflammatory bowel disease. Therefore, factors influencing the differentiation fate of this common precursor could have significant downstream consequences for immune homeostasis and pathology. The molecular blueprint provided by this analysis offers a list of potential targets for modulating the production of specific ILC subsets for therapeutic purposes. ## Potential Mechanisms and Research Directions 1. **Hypothesis:** The fate decisions of the [CILP](/details-cell/CL0001074) are primarily orchestrated at the post-transcriptional level by a network of RNA-binding proteins (RBPs). This RBP network acts as a gatekeeper, stabilizing or degrading key lineage-specifying transcripts (e.g., for NK vs. ILC3 fate) to control the cell's developmental trajectory in response to external cytokine signals. * **Surprising Findings:** The striking prominence of RBPs like [PCBP2](/details-gene/5094) and [ZFP36](/details-gene/7538) over classical lineage-defining transcription factors in the top marker list suggests a "primed" or "poised" cellular state. In this model, the cell may maintain a broad transcriptional potential, with the decisive regulatory step occurring at the level of mRNA stability and translation, allowing for a more rapid and dynamic response to differentiation cues. * **Testable Questions:** Does conditional knockout or knockdown of a key RBP, such as [ZFP36](/details-gene/7538), in this precursor population alter the in vitro differentiation outcome towards NK cells versus ILC3s when cultured with lineage-specifying cytokines? 2. **Hypothesis:** The simultaneous high expression of the pro-proliferative AP-1 transcription factors ([JUN](/details-gene/3725), [FOS](/details-gene/2353]) and the anti-proliferative regulator [BTG1](/details-gene/694) establishes a critical rheostat that governs the balance between precursor pool maintenance (quiescence) and expansion. Microenvironmental signals that tip this balance are a prerequisite for initiating lineage commitment and differentiation. * **Surprising Findings:** The co-enrichment of powerful antagonistic regulators of the cell cycle is unexpected. It suggests that the CILP does not exist in a simple "off" state but rather in a state of active, balanced tension. This "poised-for-action" model would enable a swift transition to proliferation once a definitive signal is received, while robustly preventing inappropriate cell division in the steady state. * **Testable Questions:** Using single-cell RNA sequencing, can one observe dynamic shifts in the ratio of [JUN](/details-gene/3725)/[FOS](/details-gene/2353) to [BTG1](/details-gene/694) transcripts as CILPs are exposed to NK-promoting (e.g., IL-15) versus ILC3-promoting (e.g., IL-7) cytokines, and does pharmacologically inhibiting AP-1 activity block this differentiation?