Details for: ANGPTL1

Gene ID: 9068

Gene Type:  Protein-coding  - A gene that serves as a template for producing a messenger RNA (mRNA) molecule, which is then translated into a functional protein.

Symbol: ANGPTL1

Ensembl ID: ENSG00000116194

Description: angiopoietin like 1

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • skin fibroblast CL0002620
    CSI 13.93
    rCSI 12.01%
    PRS 85.53
  • microcirculation associated smooth muscle cell CL0008035
    CSI 12.87
    rCSI 37.25%
    PRS 85.03
  • rod bipolar cell CL0000751
    CSI 10.89
    rCSI 19.56%
    PRS 80.03
  • renal beta-intercalated cell CL0002201
    CSI 6.32
    rCSI 15.07%
    PRS 85.69
  • regular atrial cardiac myocyte CL0002129
    CSI 6.31
    rCSI 20.33%
    PRS 82.63
  • ependymal cell CL0000065
    CSI 4.75
    rCSI 9.64%
    PRS 66.28
  • stromal cell of ovary CL0002132
    CSI 4.43
    rCSI 12.17%
    PRS 90.26
  • conventional dendritic cell CL0000990
    CSI 4.4
    rCSI 3.67%
    PRS 82.95
  • inhibitory interneuron CL0000498
    CSI 4.29
    rCSI 9.91%
    PRS 75.2
  • pancreatic stellate cell CL0002410
    CSI 4.24
    rCSI 24.65%
    PRS 88.21
  • bronchus fibroblast of lung CL2000093
    CSI 4.06
    rCSI 3.3%
    PRS 85.28
  • alveolar type 1 fibroblast cell CL4028004
    CSI 3.82
    rCSI 4.19%
    PRS 87.55
  • enteric smooth muscle cell CL0002504
    CSI 3.8
    rCSI 5.43%
    PRS 86.38
  • S cone cell CL0003050
    CSI 3.69
    rCSI 16.24%
    PRS 80.47
  • cytotoxic T cell CL0000910
    CSI 3.66
    rCSI 20.98%
    PRS 87.02
  • enteroglial cell CL4040002
    CSI 3.5
    rCSI 18.42%
    PRS 86.62
  • Schwann cell CL0002573
    CSI 3.43
    rCSI 9.75%
    PRS 81.6
  • Mueller cell CL0000636
    CSI 3.32
    rCSI 7.57%
    PRS 78.31
  • cardiac neuron CL0010022
    CSI 3.27
    rCSI 10.48%
    PRS 83.7
  • retinal rod cell CL0000604
    CSI 3.27
    rCSI 5.77%
    PRS 81.36
  • CD8-positive, alpha-beta memory T cell, CD45RO-positive CL0001203
    CSI 3.21
    rCSI 3.89%
    PRS 66.27
  • intrahepatic cholangiocyte CL0002538
    CSI 3.2
    rCSI 7.68%
    PRS 87.84
  • interneuron CL0000099
    CSI 3.2
    rCSI 6.42%
    PRS 78.04
  • melanocyte of skin CL1000458
    CSI 3.15
    rCSI 4.29%
    PRS 54.09
  • cerebellar granule cell CL0001031
    CSI 3.11
    rCSI 4.58%
    PRS 79.6
  • hepatic stellate cell CL0000632
    CSI 2.96
    rCSI 11.09%
    PRS 79.67
  • myofibroblast cell CL0000186
    CSI 2.92
    rCSI 4.04%
    PRS 82.28
  • chondrocyte CL0000138
    CSI 2.79
    rCSI 4.44%
    PRS 79.96
  • retinal bipolar neuron CL0000748
    CSI 2.74
    rCSI 5.14%
    PRS 75.83
  • stromal cell CL0000499
    CSI 2.7
    rCSI 7.6%
    PRS 81.25
  • radial glial cell CL0000681
    CSI 2.69
    rCSI 3.74%
    PRS 84.21
  • renal alpha-intercalated cell CL0005011
    CSI 2.62
    rCSI 3.5%
    PRS 90.45
  • neural progenitor cell CL0011020
    CSI 2.61
    rCSI 11.48%
    PRS 74.51
  • mesodermal cell CL0000222
    CSI 2.53
    rCSI 3.04%
    PRS 84.1
  • glioblast CL0000030
    CSI 2.51
    rCSI 4%
    PRS 77.86
  • fibroblast of breast CL4006000
    CSI 2.41
    rCSI 10.12%
    PRS 88.94
  • neuroblast (sensu Nematoda and Protostomia) CL0000338
    CSI 2.24
    rCSI 2.59%
    PRS 78.34
  • suprabasal keratinocyte CL4033013
    CSI 2.2
    rCSI 3.58%
    PRS 54.28
  • sst GABAergic cortical interneuron CL4023017
    CSI 2.19
    rCSI 2.82%
    PRS 71.23
  • adventitial cell CL0002503
    CSI 2.05
    rCSI 4.89%
    PRS 88.73
  • mesenchymal stem cell of adipose tissue CL0002570
    CSI 1.96
    rCSI 10.9%
    PRS 87.35
  • VIP GABAergic cortical interneuron CL4023016
    CSI 1.91
    rCSI 2.29%
    PRS 70.21
  • hepatocyte CL0000182
    CSI 1.89
    rCSI 3.38%
    PRS 84.96
  • lamp5 GABAergic cortical interneuron CL4023011
    CSI 1.73
    rCSI 2.91%
    PRS 70.02
  • alveolar adventitial fibroblast CL4028006
    CSI 1.73
    rCSI 2.73%
    PRS 86.98
  • innate lymphoid cell CL0001065
    CSI 1.7
    rCSI 3.51%
    PRS 81.32
  • tracheobronchial smooth muscle cell CL0019019
    CSI 1.66
    rCSI 2.92%
    PRS 89.6
  • retinal cone cell CL0000573
    CSI 1.64
    rCSI 2.64%
    PRS 77.03
  • caudal ganglionic eminence derived cortical interneuron CL4023064
    CSI 1.57
    rCSI 2.78%
    PRS 69.62
  • tendon cell CL0000388
    CSI 1.56
    rCSI 4.06%
    PRS 90.42
  • adipocyte CL0000136
    CSI 1.55
    rCSI 1.99%
    PRS 76.73
  • vascular associated smooth muscle cell CL0000359
    CSI 1.51
    rCSI 4.89%
    PRS 83.9
  • muscle cell CL0000187
    CSI 1.5
    rCSI 3.09%
    PRS 91.39
  • basal cell of epidermis CL0002187
    CSI 1.44
    rCSI 2.56%
    PRS 55.46
  • keratocyte CL0002363
    CSI 1.36
    rCSI 3.28%
    PRS 87.69
  • sncg GABAergic cortical interneuron CL4023015
    CSI 1.35
    rCSI 2.16%
    PRS 71.45
  • regular ventricular cardiac myocyte CL0002131
    CSI 1.33
    rCSI 8.3%
    PRS 78.6
  • corticothalamic-projecting glutamatergic cortical neuron CL4023013
    CSI 1.3
    rCSI 7.63%
    PRS 70.55
  • retinal ganglion cell CL0000740
    CSI 1.25
    rCSI 2.77%
    PRS 73.33
  • near-projecting glutamatergic cortical neuron CL4023012
    CSI 1.21
    rCSI 4.57%
    PRS 70.4
  • amacrine cell CL0000561
    CSI 1.2
    rCSI 3.48%
    PRS 76.36
  • helper T cell CL0000912
    CSI 1.1
    rCSI 1.56%
    PRS 83.07
  • L2/3-6 intratelencephalic projecting glutamatergic neuron CL4023040
    CSI 1.02
    rCSI 2.48%
    PRS 67.88
  • mesenchymal cell CL0008019
    CSI 1.01
    rCSI 2.57%
    PRS 79.78
  • chandelier pvalb GABAergic cortical interneuron CL4023036
    CSI 1
    rCSI 3.13%
    PRS 73.71
  • forebrain radial glial cell CL0013000
    CSI 0.91
    rCSI 2.93%
    PRS 86.28
  • L6b glutamatergic cortical neuron CL4023038
    CSI 0.81
    rCSI 2.53%
    PRS 71.53
  • indirect pathway medium spiny neuron CL4023029
    CSI 0.78
    rCSI 18.8%
    PRS 68.33
  • L5 extratelencephalic projecting glutamatergic cortical neuron CL4023041
    CSI 0.63
    rCSI 2.28%
    PRS 68.02
  • bronchiolar smooth muscle cell CL4033017
    CSI 0.41
    rCSI 6.19%
    PRS 91.74
  • mesenchymal stem cell CL0000134
    CSI 0.37
    rCSI 4.03%
    PRS 89.13
  • blood vessel smooth muscle cell CL0019018
    CSI 0.3
    rCSI 2.44%
    PRS 81.51
  • direct pathway medium spiny neuron CL4023026
    CSI 0.23
    rCSI 5.6%
    PRS 67.87

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.

Comma-separated if multiple.
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 [ANGPTL1](/details-gene/9068), or Angiopoietin Like 1, is a protein-coding gene located on chromosome 1q25.2. It encodes a secreted protein that is a member of the angiopoietin family. Functionally, [ANGPTL1](/details-gene/9068) is associated with the extracellular matrix and exosomes, where it participates in cell signaling by binding to surface receptors, particularly those involved in tyrosine kinase signaling pathways ([GO:0007169](https://www.ebi.ac.uk/QuickGO/term/GO:0007169)). Expression data highlights its significant role in mesenchymal cell types, with its highest significance observed in [skin fibroblast](/details-cell/CL0002620) and [microcirculation associated smooth muscle cell](/details-cell/CL0008035), suggesting a primary function in tissue structure, maintenance, and vascular biology. ## Cellular Roles and Expression Landscape The expression profile of [ANGPTL1](/details-gene/9068) indicates a prominent role in stromal and mesenchymal cell populations. **Overall**, its highest Cell Significance Index (CSI) is found in [skin fibroblast](/details-cell/CL0002620) (CSI: 13.93) and [microcirculation associated smooth muscle cell](/details-cell/CL0008035) (CSI: 12.87), positioning it as a key factor in connective tissue and the microvasculature. Its significance extends to other structural and contractile cells, including [regular atrial cardiac myocyte](/details-cell/CL0002129) and [pancreatic stellate cell](/details-cell/CL0002410). Beyond its primary role in mesenchymal lineages, [ANGPTL1](/details-gene/9068) shows notable expression in highly specialized cell types, suggesting diverse, context-dependent functions. For instance, it is a significant marker in the [rod bipolar cell](/details-cell/CL0000751) of the retina (CSI: 10.89) and the [renal beta-intercalated cell](/details-cell/CL0002201) of the kidney (CSI: 6.32). The gene also shows moderate significance in certain immune populations, such as [conventional dendritic cell](/details-cell/CL0000990) and [cytotoxic T cell](/details-cell/CL0000910), implying a potential role in modulating immune responses within the tissue microenvironment. ## Pathways and Molecular Function [ANGPTL1](/details-gene/9068) encodes a secreted protein, consistent with its localization to the [extracellular space](/details-cell/GO:0005615), [collagen-containing extracellular matrix](/details-cell/GO:0062023), and [extracellular exosome](/details-cell/GO:0070062). This localization is supported by large-scale studies aimed at identifying novel secreted proteins [Link](https://doi.org/10.1101/gr.1293003), [Link](https://doi.org/10.1093/dnares/12.2.117). The primary molecular function attributed to [ANGPTL1](/details-gene/9068) is [signaling receptor binding](/details-cell/GO:0005102), which links it to the biological process of the [cell surface receptor protein tyrosine kinase signaling pathway](/details-cell/GO:0007169). This suggests that secreted [ANGPTL1](/details-gene/9068) acts as a ligand that communicates with surrounding cells, likely influencing cellular behavior such as proliferation, migration, and differentiation, which is highly relevant for its top-expressing cell types like fibroblasts and smooth muscle cells. ## Research Directions The expression pattern and functional annotation of [ANGPTL1](/details-gene/9068) point toward several avenues for future investigation, particularly concerning its role in tissue homeostasis and pathology. **Proposed Hypotheses:** 1. Given its high expression in [skin fibroblast](/details-cell/CL0002620) and its localization to the [collagen-containing extracellular matrix](/details-cell/GO:0062023), [ANGPTL1](/details-gene/9068) may be a critical regulator of dermal wound healing and fibrosis by modulating fibroblast proliferation, migration, and extracellular matrix deposition. 2. The high significance of [ANGPTL1](/details-gene/9068) in [microcirculation associated smooth muscle cell](/details-cell/CL0008035) and its classification as an angiopoietin-like protein suggest it functions as a paracrine signaling molecule to regulate vascular tone and the integrity of small blood vessels. 3. Its unexpectedly high and specific expression in [rod bipolar cell](/details-cell/CL0000751) suggests a novel, non-vascular role in the retina, where it may function as a synaptogenic or neuro-modulatory factor that influences signal transmission between photoreceptors and retinal ganglion cells. **Experimental Approach:** To test the hypothesis that [ANGPTL1](/details-gene/9068) regulates dermal wound healing (Hypothesis 1), an *in vitro* and *in vivo* approach could be employed. Initially, primary human dermal fibroblasts could be treated with recombinant [ANGPTL1](/details-gene/9068) protein to assess its impact on cell proliferation (e.g., via BrdU incorporation), migration (e.g., via a scratch wound assay), and collagen production (e.g., via Western blot or Sircol assay). Complementary experiments using siRNA-mediated knockdown of [ANGPTL1](/details-gene/9068) would determine the necessity of its endogenous expression for these functions. Subsequently, these findings could be validated *in vivo* using a murine model of dermal wound healing, where a topical application of recombinant [ANGPTL1](/details-gene/9068) or a neutralizing antibody could be used to assess its effect on the rate of wound closure and the quality of scar formation. **Therapeutic Potential:** As a secreted protein, [ANGPTL1](/details-gene/9068) is an accessible drug target. Its role in fibroblasts and smooth muscle cells makes it a candidate for therapeutic intervention in fibroproliferative and vascular diseases. If it is found to be pro-fibrotic, a neutralizing monoclonal antibody could be developed as an anti-fibrotic therapy for conditions like scleroderma or keloids. Conversely, if [ANGPTL1](/details-gene/9068) promotes angiogenesis and vascular stability without inducing excessive permeability, administering a recombinant form of the protein could be a therapeutic strategy for ischemic conditions or diseases characterized by vascular leakage. The specific therapeutic approach, whether inhibition or activation, would depend on clarifying its precise downstream effects in pathological contexts.

Genular Protein ID: 31671777

Symbol: ANGL1_HUMAN

Name: Angiopoietin-related protein 1

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 10025962

Title: Molecular cloning and characterization of a novel angiopoietin family protein, angiopoietin-3.

PubMed ID: 10025962

DOI: 10.1016/s0014-5793(99)00008-3

PubMed ID: 12975309

Title: The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment.

PubMed ID: 12975309

DOI: 10.1101/gr.1293003

PubMed ID: 16303743

Title: Signal sequence and keyword trap in silico for selection of full-length human cDNAs encoding secretion or membrane proteins from oligo-capped cDNA libraries.

PubMed ID: 16303743

DOI: 10.1093/dnares/12.2.117

PubMed ID: 16710414

Title: The DNA sequence and biological annotation of human chromosome 1.

PubMed ID: 16710414

DOI: 10.1038/nature04727

PubMed ID: 15489334

Title: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).

PubMed ID: 15489334

DOI: 10.1101/gr.2596504

Sequence Information:

  • Length: 491
  • Mass: 56720
  • Checksum: 3C4DB8DEF6CF7E99
  • Sequence:
  • MKTFTWTLGV LFFLLVDTGH CRGGQFKIKK INQRRYPRAT DGKEEAKKCA YTFLVPEQRI 
    TGPICVNTKG QDASTIKDMI TRMDLENLKD VLSRQKREID VLQLVVDVDG NIVNEVKLLR 
    KESRNMNSRV TQLYMQLLHE IIRKRDNSLE LSQLENKILN VTTEMLKMAT RYRELEVKYA 
    SLTDLVNNQS VMITLLEEQC LRIFSRQDTH VSPPLVQVVP QHIPNSQQYT PGLLGGNEIQ 
    RDPGYPRDLM PPPDLATSPT KSPFKIPPVT FINEGPFKDC QQAKEAGHSV SGIYMIKPEN 
    SNGPMQLWCE NSLDPGGWTV IQKRTDGSVN FFRNWENYKK GFGNIDGEYW LGLENIYMLS 
    NQDNYKLLIE LEDWSDKKVY AEYSSFRLEP ESEFYRLRLG TYQGNAGDSM MWHNGKQFTT 
    LDRDKDMYAG NCAHFHKGGW WYNACAHSNL NGVWYRGGHY RSKHQDGIFW AEYRGGSYSL 
    RAVQMMIKPI D