Details for: ITGB4

Gene ID: 3691

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: ITGB4

Ensembl ID: ENSG00000132470

Description: integrin subunit beta 4

Selected Context(s):  Overall

Cell Significance Landscape

Contexts:

Associated with

Significant Cells

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

  • placental villous trophoblast CL2000060
    CSI 14.59
    rCSI 22.55%
    PRS 66.48
  • lung secretory cell CL1000272
    CSI 12.47
    rCSI 30.87%
    PRS 66.72
  • colon epithelial cell CL0011108
    CSI 10.37
    rCSI 10.86%
    PRS 64.61
  • fallopian tube secretory epithelial cell CL4030006
    CSI 8.51
    rCSI 8.19%
    PRS 67.7
  • keratinocyte CL0000312
    CSI 6.36
    rCSI 5.33%
    PRS 71.49
  • ciliated epithelial cell CL0000067
    CSI 6.15
    rCSI 5.41%
    PRS 55.9
  • melanocyte CL0000148
    CSI 5.69
    rCSI 4.22%
    PRS 60.82
  • enteroglial cell CL4040002
    CSI 4.44
    rCSI 23.35%
    PRS 72.26
  • ependymal cell CL0000065
    CSI 4.16
    rCSI 8.45%
    PRS 46.51
  • Bergmann glial cell CL0000644
    CSI 4.13
    rCSI 5.65%
    PRS 60.58
  • dendritic cell CL0000451
    CSI 4.01
    rCSI 4.93%
    PRS 78.49
  • mature astrocyte CL0002627
    CSI 3.67
    rCSI 15.59%
    PRS 60.59
  • basal cell of epithelium of trachea CL1000348
    CSI 3.6
    rCSI 25.41%
    PRS 79.26
  • blood vessel endothelial cell CL0000071
    CSI 3.43
    rCSI 7.12%
    PRS 64.99
  • foveolar cell of stomach CL0002179
    CSI 3.4
    rCSI 7.24%
    PRS 77.47
  • epithelial cell of lower respiratory tract CL0002632
    CSI 3.31
    rCSI 2.57%
    PRS 70.97
  • secretory cell CL0000151
    CSI 2.96
    rCSI 3.09%
    PRS 67.81
  • Schwann cell CL0002573
    CSI 2.83
    rCSI 8.05%
    PRS 65.61
  • ciliated cell CL0000064
    CSI 2.75
    rCSI 4.46%
    PRS 63.92
  • Mueller cell CL0000636
    CSI 2.67
    rCSI 6.09%
    PRS 59.51
  • cardiac endothelial cell CL0010008
    CSI 2.56
    rCSI 10.31%
    PRS 67.18
  • epithelial cell of lung CL0000082
    CSI 2.43
    rCSI 2.01%
    PRS 67.67
  • choroid plexus epithelial cell CL0000706
    CSI 2.38
    rCSI 3.9%
    PRS 57.08
  • basal cell CL0000646
    CSI 2.37
    rCSI 3.17%
    PRS 67.83
  • goblet cell CL0000160
    CSI 2.29
    rCSI 2.16%
    PRS 67.01
  • intestine goblet cell CL0019031
    CSI 2.17
    rCSI 1.93%
    PRS 65.67
  • mucus secreting cell CL0000319
    CSI 2.17
    rCSI 3.45%
    PRS 78.28
  • pancreatic acinar cell CL0002064
    CSI 2.16
    rCSI 2.87%
    PRS 74.16
  • duct epithelial cell CL0000068
    CSI 2.08
    rCSI 3.05%
    PRS 72.71
  • epithelial cell CL0000066
    CSI 2.03
    rCSI 3.12%
    PRS 61.25
  • M cell of gut CL0000682
    CSI 1.98
    rCSI 2.1%
    PRS 76.26
  • ionocyte CL0005006
    CSI 1.96
    rCSI 2.1%
    PRS 68.1
  • respiratory hillock cell CL4030023
    CSI 1.92
    rCSI 3.42%
    PRS 80.2
  • acinar cell CL0000622
    CSI 1.91
    rCSI 2.8%
    PRS 79.07
  • myoepithelial cell CL0000185
    CSI 1.86
    rCSI 4.72%
    PRS 75.33
  • pulmonary ionocyte CL0017000
    CSI 1.84
    rCSI 2.24%
    PRS 75.22
  • BEST4+ enteroycte CL4030026
    CSI 1.82
    rCSI 2.27%
    PRS 69.69
  • basal-myoepithelial cell of mammary gland CL0002324
    CSI 1.74
    rCSI 3.29%
    PRS 83.89
  • enterocyte CL0000584
    CSI 1.72
    rCSI 2.78%
    PRS 70.01
  • squamous epithelial cell CL0000076
    CSI 1.7
    rCSI 4.04%
    PRS 70.6
  • conjunctival epithelial cell CL1000432
    CSI 1.69
    rCSI 2.58%
    PRS 68.69
  • stem cell CL0000034
    CSI 1.68
    rCSI 1.62%
    PRS 59.36
  • retinal blood vessel endothelial cell CL0002585
    CSI 1.67
    rCSI 2.67%
    PRS 72.24
  • respiratory basal cell CL0002633
    CSI 1.65
    rCSI 1.71%
    PRS 73.67
  • colonocyte CL1000347
    CSI 1.64
    rCSI 2.35%
    PRS 70.51
  • cardiac neuron CL0010022
    CSI 1.61
    rCSI 5.17%
    PRS 65.28
  • pulmonary artery endothelial cell CL1001568
    CSI 1.55
    rCSI 2.12%
    PRS 78.84
  • astrocyte of the cerebral cortex CL0002605
    CSI 1.55
    rCSI 3.48%
    PRS 49.93
  • multi-ciliated epithelial cell CL0005012
    CSI 1.53
    rCSI 1.53%
    PRS 61.43
  • transit amplifying cell CL0009010
    CSI 1.51
    rCSI 2.31%
    PRS 79.86
  • respiratory suprabasal cell CL4033048
    CSI 1.49
    rCSI 1.91%
    PRS 72.4
  • club cell CL0000158
    CSI 1.47
    rCSI 2.15%
    PRS 63.01
  • mucous neck cell CL0000651
    CSI 1.43
    rCSI 2.06%
    PRS 77.33
  • tuft cell of colon CL0009041
    CSI 1.43
    rCSI 3.33%
    PRS 77.26
  • transit amplifying cell of colon CL0009011
    CSI 1.42
    rCSI 1.67%
    PRS 69.95
  • syncytiotrophoblast cell CL0000525
    CSI 1.4
    rCSI 4.04%
    PRS 79.14
  • glandular epithelial cell CL0000150
    CSI 1.38
    rCSI 3.63%
    PRS 84.03
  • extravillous trophoblast CL0008036
    CSI 1.35
    rCSI 1.67%
    PRS 64.81
  • brush cell CL0002204
    CSI 1.35
    rCSI 2.67%
    PRS 81.67
  • intestinal tuft cell CL0019032
    CSI 1.34
    rCSI 2.05%
    PRS 72.18
  • pancreatic ductal cell CL0002079
    CSI 1.33
    rCSI 2.59%
    PRS 71.02
  • nasal mucosa goblet cell CL0002480
    CSI 1.33
    rCSI 1.54%
    PRS 74.57
  • glial cell CL0000125
    CSI 1.2
    rCSI 4.58%
    PRS 58.45
  • transit amplifying cell of small intestine CL0009012
    CSI 1.14
    rCSI 5%
    PRS 80.51
  • colon goblet cell CL0009039
    CSI 1.1
    rCSI 2.61%
    PRS 75.75
  • lung ciliated cell CL1000271
    CSI 1.04
    rCSI 1.2%
    PRS 58.77
  • paneth cell of epithelium of small intestine CL1000343
    CSI 1.04
    rCSI 2.91%
    PRS 77.83
  • luminal epithelial cell of mammary gland CL0002326
    CSI 1.02
    rCSI 1.86%
    PRS 81.65
  • small intestine goblet cell CL1000495
    CSI 1.02
    rCSI 2.24%
    PRS 75.07
  • tracheal goblet cell CL1000329
    CSI 1
    rCSI 2.18%
    PRS 79.15
  • ciliated columnar cell of tracheobronchial tree CL0002145
    CSI 0.95
    rCSI 2.16%
    PRS 63.57
  • intestinal crypt stem cell of small intestine CL0009017
    CSI 0.91
    rCSI 2.45%
    PRS 74.27
  • endothelial cell of uterus CL0009095
    CSI 0.88
    rCSI 6.41%
    PRS 82.06
  • corneal epithelial cell CL0000575
    CSI 0.86
    rCSI 2.45%
    PRS 78.23
  • enterocyte of epithelium of large intestine CL0002071
    CSI 0.86
    rCSI 4.5%
    PRS 76.16
  • tracheobronchial serous cell CL0019001
    CSI 0.78
    rCSI 3.38%
    PRS 78.93
  • acinar cell of salivary gland CL0002623
    CSI 0.77
    rCSI 17.83%
    PRS 84.11
  • bronchial goblet cell CL1000312
    CSI 0.69
    rCSI 2.76%
    PRS 81.31
  • type EC enteroendocrine cell CL0000577
    CSI 0.67
    rCSI 2.38%
    PRS 75.03
  • endothelial cell of venule CL1000414
    CSI 0.62
    rCSI 5.52%
    PRS 81.94
  • follicular dendritic cell CL0000442
    CSI 0.4
    rCSI 6.42%
    PRS 84.92
  • hair follicular keratinocyte CL2000092
    CSI 0.2
    rCSI 3.42%
    PRS 85.41
  • respiratory goblet cell CL0002370
    CSI 0.17
    rCSI 1.86%
    PRS 80.47

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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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 [ITGB4](/details-gene/3691), or Integrin Subunit Beta 4, is a protein-coding gene located on chromosome 17q25.1. It encodes a transmembrane protein that pairs with the alpha-6 integrin subunit to form the α6β4 integrin heterodimer, a critical receptor for laminins in the extracellular matrix. The primary function of [ITGB4](/details-gene/3691) is to mediate stable cell-matrix adhesion by serving as a core structural component of hemidesmosomes, specialized junctions that anchor epithelial cells to the underlying basement membrane. Consistent with this role, [ITGB4](/details-gene/3691) shows highly significant expression in various epithelial and secretory cell types, including [placental villous trophoblast](/details-cell/CL2000060), [lung secretory cell](/details-cell/CL1000272), and [keratinocyte](/details-cell/CL0000312). Mutations in [ITGB4](/details-gene/3691) are causally linked to severe blistering skin disorders, such as Junctional Epidermolysis Bullosa with Pyloric Atresia (JEB-PA) ([OMIM:226730](https://omim.org/entry/226730)) and Epidermolysis Bullosa, Junctional, Non-Herlitz Type ([OMIM:147557](https://omim.org/entry/147557)), underscoring its essential role in maintaining tissue integrity. ## Cellular Roles and Expression Landscape The expression profile of [ITGB4](/details-gene/3691) highlights its fundamental role in establishing and maintaining epithelial barriers. **Overall**, the gene is most significantly expressed in cells that form interfaces with the external environment or line internal cavities, where strong adhesion to a basement membrane is paramount. Top-ranked cells include [placental villous trophoblast](/details-cell/CL2000060) (CSI: 14.59), which forms the feto-maternal barrier, and various epithelial cells such as [lung secretory cell](/details-cell/CL1000272) (CSI: 12.47), [colon epithelial cell](/details-cell/CL0011108) (CSI: 10.37), and [keratinocyte](/details-cell/CL0000312) (CSI: 6.36). This pattern aligns with early research identifying its primary expression in epithelial cells [Link](https://doi.org/10.1002/j.1460-2075.1990.tb08170.x). Beyond its primary role in epithelial adhesion, [ITGB4](/details-gene/3691) also shows notable significance in several glial cell types, including [enteroglial cell](/details-cell/CL4040002) (CSI: 4.44), [ependymal cell](/details-cell/CL0000065) (CSI: 4.16), [Bergmann glial cell](/details-cell/CL0000644) (CSI: 4.13), and [mature astrocyte](/details-cell/CL0002627) (CSI: 3.67). This suggests a secondary, but important, function in the structural organization and maintenance of the nervous system, a role supported by its functional annotation in '[Peripheral nervous system myelin formation](/details-go/GO:0032290)' ([GO:0032290](https://www.ebi.ac.uk/QuickGO/term/GO:0032290)). Its expression is also observed in [dendritic cell](/details-cell/CL0000451) and [blood vessel endothelial cell](/details-cell/CL0000071), indicating its involvement in immune surveillance and vascular biology, likely through mediating cell migration and adhesion within these contexts. ## Pathways and Molecular Function The molecular functions of [ITGB4](/details-gene/3691) are centered on cell adhesion and signaling. It is an integral component of the '[Integrin complex](/details-go/GO:0008305)' ([GO:0008305](https://www.ebi.ac.uk/QuickGO/term/GO:0008305)) and is localized to the '[Basal plasma membrane](/details-go/GO:0009925)' ([GO:0009925](https://www.ebi.ac.uk/QuickGO/term/GO:0009925)) within '[Hemidesmosome](/details-go/GO:0030056)' structures ([GO:0030056](https://www.ebi.ac.uk/QuickGO/term/GO:0030056)). Its most critical biological process is '[Hemidesmosome assembly](/details-go/GO:0031581)' ([GO:0031581](https://www.ebi.ac.uk/QuickGO/term/GO:0031581)), as detailed in the '[Type i hemidesmosome assembly](/details-reactome/R-HSA-446107)' ([R-HSA-446107](https://reactome.org/content/detail/R-HSA-446107)) Reactome pathway. This process involves the interaction of the uniquely large cytoplasmic domain of [ITGB4](/details-gene/3691) with cytoskeletal linker proteins like plectin, anchoring the keratin intermediate filaments to the cell-matrix adhesion site [Link](https://doi.org/10.1002/j.1460-2075.1990.tb08171.x) [Link](https://doi.org/10.1242/jcs.00241). In addition to its structural role, [ITGB4](/details-gene/3691) participates in the '[Integrin-mediated signaling pathway](/details-go/GO:0007229)' ([GO:0007229](https://www.ebi.ac.uk/QuickGO/term/GO:0007229)), influencing processes such as '[Cell migration](/details-go/GO:0016477)' ([GO:0016477](https://www.ebi.ac.uk/QuickGO/term/GO:0016477)) and '[Response to wounding](/details-go/GO:0009611)' ([GO:0009611](https://www.ebi.ac.uk/QuickGO/term/GO:0009611)). Its binding activities include interactions with extracellular matrix components ('[Laminin interactions](/details-reactome/R-HSA-3000157)' ([R-HSA-3000157](https://reactome.org/content/detail/R-HSA-3000157))) and various signaling molecules, such as '[Neuregulin binding](/details-go/GO:0038132)' ([GO:0038132](https://www.ebi.ac.uk/QuickGO/term/GO:0038132)). Homozygous mutations that disrupt these functions are known to cause the severe blistering phenotype of junctional epidermolysis bullosa [Link](https://pubmed.ncbi.nlm.nih.gov/9194858/). ## Research Directions While the structural role of [ITGB4](/details-gene/3691) in epithelial adhesion is well-established, its signaling functions, particularly in disease progression and nervous system biology, warrant further investigation. ### Proposed Hypotheses 1. Given its role in cell migration and high expression in multiple epithelial tissues, dysregulation of [ITGB4](/details-gene/3691) signaling may be a key driver of metastasis in carcinomas. It is hypothesized that post-translational modifications of the [ITGB4](/details-gene/3691) cytoplasmic tail, induced by the tumor microenvironment, switch its function from stable adhesion to promoting a motile, invasive phenotype characteristic of epithelial-mesenchymal transition (EMT). 2. The consistent expression of [ITGB4](/details-gene/3691) in glial cells like [mature astrocyte](/details-cell/CL0002627) suggests a role beyond peripheral myelination. We hypothesize that astrocytic α6β4 integrin is essential for maintaining the structural integrity of the neurovascular unit by anchoring astrocyte end-feet to the vascular basement membrane, thereby regulating blood-brain barrier permeability. ### Experimental Approach To test the hypothesis regarding [ITGB4](/details-gene/3691)'s role in cancer metastasis, a colon cancer cell line with high endogenous [ITGB4](/details-gene/3691) expression (e.g., SW480) could be utilized. Using CRISPR-Cas9, stable knockout cell lines for [ITGB4](/details-gene/3691) would be generated. The migratory and invasive potential of knockout versus wild-type cells could be quantitatively compared using 2D scratch assays and 3D Matrigel invasion assays. Furthermore, changes in EMT markers (e.g., decreased E-cadherin, increased Vimentin) and downstream signaling pathways (e.g., FAK, Src) could be assessed by immunoblotting and quantitative PCR following stimulation with growth factors like EGF to determine the mechanistic link between [ITGB4](/details-gene/3691) signaling and the invasive phenotype. ### Therapeutic Potential As a cell surface protein often overexpressed in various carcinomas (e.g., colon, lung, breast) and implicated in promoting invasion and chemoresistance, [ITGB4](/details-gene/3691) represents a promising therapeutic target. Its extracellular domain makes it accessible to antibody-based therapies. An antibody-drug conjugate (ADC) targeting [ITGB4](/details-gene/3691) could selectively deliver a cytotoxic agent to tumor cells, minimizing off-target toxicity. Alternatively, a monoclonal antibody that blocks the binding of α6β4 to laminin or disrupts its interaction with signaling co-receptors could inhibit tumor cell migration and invasion. The therapeutic strategy would focus on the **inhibition** of its pro-tumorigenic signaling functions.

Genular Protein ID: 3675248007

Symbol: ITB4_HUMAN

Name: Integrin beta-4

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 2311577

Title: Amino acid sequence of a novel integrin beta 4 subunit and primary expression of the mRNA in epithelial cells.

PubMed ID: 2311577

DOI: 10.1002/j.1460-2075.1990.tb08170.x

PubMed ID: 2311578

Title: Cloning and sequence analysis of beta-4 cDNA: an integrin subunit that contains a unique 118 kd cytoplasmic domain.

PubMed ID: 2311578

DOI: 10.1002/j.1460-2075.1990.tb08171.x

PubMed ID: 1976638

Title: Epithelial integrin alpha 6 beta 4: complete primary structure of alpha 6 and variant forms of beta 4.

PubMed ID: 1976638

DOI: 10.1083/jcb.111.4.1593

PubMed ID: 9194858

Title: Genomic organization of the integrin beta 4 gene (ITGB4): a homozygous splice-site mutation in a patient with junctional epidermolysis bullosa associated with pyloric atresia.

PubMed ID: 9194858

PubMed ID: 9166594

Title: Genomic organization of the human integrin beta 4 gene.

PubMed ID: 9166594

DOI: 10.1007/s003359900467

PubMed ID: 9207246

Title: The unique cytoplasmic domain of the human integrin variant beta4E is produced by partial retention of intronic sequences.

PubMed ID: 9207246

DOI: 10.1006/bbrc.1997.6892

PubMed ID: 16625196

Title: DNA sequence of human chromosome 17 and analysis of rearrangement in the human lineage.

PubMed ID: 16625196

DOI: 10.1038/nature04689

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

PubMed ID: 2542022

Title: A novel integrin (alpha E beta 4) from human epithelial cells suggests a fourth family of integrin adhesion receptors.

PubMed ID: 2542022

DOI: 10.1002/j.1460-2075.1989.tb03425.x

PubMed ID: 7982032

Title: A novel structural variant of the human beta 4 integrin cDNA.

PubMed ID: 7982032

DOI: 10.3109/15419069409014197

PubMed ID: 10637308

Title: The N terminus of the transmembrane protein BP180 interacts with the N-terminal domain of BP230, thereby mediating keratin cytoskeleton anchorage to the cell surface at the site of the hemidesmosome.

PubMed ID: 10637308

DOI: 10.1091/mbc.11.1.277

PubMed ID: 11375975

Title: The hemidesmosomal protein bullous pemphigoid antigen 1 and the integrin beta 4 subunit bind to ERBIN. Molecular cloning of multiple alternative splice variants of ERBIN and analysis of their tissue expression.

PubMed ID: 11375975

DOI: 10.1074/jbc.m011005200

PubMed ID: 12485428

Title: Deletion of a cytoplasmic domain of integrin beta4 causes epidermolysis bullosa simplex.

PubMed ID: 12485428

DOI: 10.1046/j.1523-1747.2002.19609.x

PubMed ID: 12482924

Title: Analysis of the interactions between BP180, BP230, plectin and the integrin alpha6beta4 important for hemidesmosome assembly.

PubMed ID: 12482924

DOI: 10.1242/jcs.00241

PubMed ID: 15611341

Title: Palmitoylation supports assembly and function of integrin-tetraspanin complexes.

PubMed ID: 15611341

DOI: 10.1083/jcb.200404100

PubMed ID: 16335952

Title: Human plasma N-glycoproteome analysis by immunoaffinity subtraction, hydrazide chemistry, and mass spectrometry.

PubMed ID: 16335952

DOI: 10.1021/pr0502065

PubMed ID: 16964243

Title: A probability-based approach for high-throughput protein phosphorylation analysis and site localization.

PubMed ID: 16964243

DOI: 10.1038/nbt1240

PubMed ID: 18691976

Title: Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle.

PubMed ID: 18691976

DOI: 10.1016/j.molcel.2008.07.007

PubMed ID: 19403692

Title: BPAG1e maintains keratinocyte polarity through beta4 integrin-mediated modulation of Rac1 and cofilin activities.

PubMed ID: 19403692

DOI: 10.1091/mbc.e09-01-0051

PubMed ID: 19369195

Title: Large-scale proteomics analysis of the human kinome.

PubMed ID: 19369195

DOI: 10.1074/mcp.m800588-mcp200

PubMed ID: 20682778

Title: Direct binding of the EGF-like domain of neuregulin-1 to integrins ({alpha}v{beta}3 and {alpha}6{beta}4) is involved in neuregulin-1/ErbB signaling.

PubMed ID: 20682778

DOI: 10.1074/jbc.m110.113878

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 22314500

Title: Palmitoylation by DHHC3 is critical for the function, expression, and stability of integrin alpha6beta4.

PubMed ID: 22314500

DOI: 10.1007/s00018-012-0924-6

PubMed ID: 22351760

Title: Cross-talk between integrin alpha6beta4 and insulin-like growth factor-1 receptor (IGF1R) through direct alpha6beta4 binding to IGF1 and subsequent alpha6beta4-IGF1-IGF1R ternary complex formation in anchorage-independent conditions.

PubMed ID: 22351760

DOI: 10.1074/jbc.m111.304170

PubMed ID: 23186163

Title: Toward a comprehensive characterization of a human cancer cell phosphoproteome.

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 28873464

Title: Direct integrin binding to insulin-like growth factor-2 through the C-domain is required for insulin-like growth factor receptor type 1 (IGF1R) signaling.

PubMed ID: 28873464

DOI: 10.1371/journal.pone.0184285

PubMed ID: 30361615

Title: Deletion of TMEM268 inhibits growth of gastric cancer cells by downregulating the ITGB4 signaling pathway.

PubMed ID: 30361615

DOI: 10.1038/s41418-018-0223-3

PubMed ID: 10428948

Title: Crystal structure of a tandem pair of fibronectin type III domains from the cytoplasmic tail of integrin alpha6beta4.

PubMed ID: 10428948

DOI: 10.1093/emboj/18.15.4087

PubMed ID: 9792864

Title: Novel ITGB4 mutations in lethal and nonlethal variants of epidermolysis bullosa with pyloric atresia: missense versus nonsense.

PubMed ID: 9792864

DOI: 10.1086/302116

PubMed ID: 9422533

Title: Epidermolysis bullosa with pyloric atresia: novel mutations in the beta-4 integrin gene (ITGB4).

PubMed ID: 9422533

PubMed ID: 9546354

Title: Compound heterozygosity for missense (L156P) and nonsense (R554X) mutations in the beta-4 integrin gene (ITGB4) underlies mild, nonlethal phenotype of epidermolysis bullosa with pyloric atresia.

PubMed ID: 9546354

PubMed ID: 9892956

Title: Pyloric atresia-junctional epidermolysis bullosa syndrome: mutations in the integrin beta4 gene (ITGB4) in two unrelated patients with mild disease.

PubMed ID: 9892956

DOI: 10.1046/j.1365-2133.1998.02515.x

PubMed ID: 10873890

Title: Congenital focal segmental glomerulosclerosis associated with beta4 integrin mutation and epidermolysis bullosa.

PubMed ID: 10873890

DOI: 10.1053/ajkd.2000.8293

PubMed ID: 10792571

Title: A homozygous missense mutation in the cytoplasmic tail of beta4 integrin, G931D, that disrupts hemidesmosome assembly and underlies non-Herlitz junctional epidermolysis bullosa without pyloric atresia?

PubMed ID: 10792571

DOI: 10.1046/j.1523-1747.2000.00960-3.x

PubMed ID: 11251584

Title: Alpha 6 beta 4 integrin abnormalities in junctional epidermolysis bullosa with pyloric atresia.

PubMed ID: 11251584

DOI: 10.1046/j.1365-2133.2001.04038.x

PubMed ID: 11289717

Title: Nine novel single-nucleotide polymorphisms in the integrin beta4 (ITGB4) gene in the Japanese population.

PubMed ID: 11289717

DOI: 10.1007/s100380170122

PubMed ID: 11328943

Title: Epidermolysis bullosa with congenital pyloric atresia: novel mutations in the beta 4 integrin gene (ITGB4) and genotype/phenotype correlations.

PubMed ID: 11328943

DOI: 10.1203/00006450-200105000-00003

Sequence Information:

  • Length: 1822
  • Mass: 202167
  • Checksum: 09710FFBBD719469
  • Sequence:
  • MAGPRPSPWA RLLLAALISV SLSGTLANRC KKAPVKSCTE CVRVDKDCAY CTDEMFRDRR 
    CNTQAELLAA GCQRESIVVM ESSFQITEET QIDTTLRRSQ MSPQGLRVRL RPGEERHFEL 
    EVFEPLESPV DLYILMDFSN SMSDDLDNLK KMGQNLARVL SQLTSDYTIG FGKFVDKVSV 
    PQTDMRPEKL KEPWPNSDPP FSFKNVISLT EDVDEFRNKL QGERISGNLD APEGGFDAIL 
    QTAVCTRDIG WRPDSTHLLV FSTESAFHYE ADGANVLAGI MSRNDERCHL DTTGTYTQYR 
    TQDYPSVPTL VRLLAKHNII PIFAVTNYSY SYYEKLHTYF PVSSLGVLQE DSSNIVELLE 
    EAFNRIRSNL DIRALDSPRG LRTEVTSKMF QKTRTGSFHI RRGEVGIYQV QLRALEHVDG 
    THVCQLPEDQ KGNIHLKPSF SDGLKMDAGI ICDVCTCELQ KEVRSARCSF NGDFVCGQCV 
    CSEGWSGQTC NCSTGSLSDI QPCLREGEDK PCSGRGECQC GHCVCYGEGR YEGQFCEYDN 
    FQCPRTSGFL CNDRGRCSMG QCVCEPGWTG PSCDCPLSNA TCIDSNGGIC NGRGHCECGR 
    CHCHQQSLYT DTICEINYSA IHPGLCEDLR SCVQCQAWGT GEKKGRTCEE CNFKVKMVDE 
    LKRAEEVVVR CSFRDEDDDC TYSYTMEGDG APGPNSTVLV HKKKDCPPGS FWWLIPLLLL 
    LLPLLALLLL LCWKYCACCK ACLALLPCCN RGHMVGFKED HYMLRENLMA SDHLDTPMLR 
    SGNLKGRDVV RWKVTNNMQR PGFATHAASI NPTELVPYGL SLRLARLCTE NLLKPDTREC 
    AQLRQEVEEN LNEVYRQISG VHKLQQTKFR QQPNAGKKQD HTIVDTVLMA PRSAKPALLK 
    LTEKQVEQRA FHDLKVAPGY YTLTADQDAR GMVEFQEGVE LVDVRVPLFI RPEDDDEKQL 
    LVEAIDVPAG TATLGRRLVN ITIIKEQARD VVSFEQPEFS VSRGDQVARI PVIRRVLDGG 
    KSQVSYRTQD GTAQGNRDYI PVEGELLFQP GEAWKELQVK LLELQEVDSL LRGRQVRRFH 
    VQLSNPKFGA HLGQPHSTTI IIRDPDELDR SFTSQMLSSQ PPPHGDLGAP QNPNAKAAGS 
    RKIHFNWLPP SGKPMGYRVK YWIQGDSESE AHLLDSKVPS VELTNLYPYC DYEMKVCAYG 
    AQGEGPYSSL VSCRTHQEVP SEPGRLAFNV VSSTVTQLSW AEPAETNGEI TAYEVCYGLV 
    NDDNRPIGPM KKVLVDNPKN RMLLIENLRE SQPYRYTVKA RNGAGWGPER EAIINLATQP 
    KRPMSIPIIP DIPIVDAQSG EDYDSFLMYS DDVLRSPSGS QRPSVSDDTG CGWKFEPLLG 
    EELDLRRVTW RLPPELIPRL SASSGRSSDA EAPHGPPDDG GAGGKGGSLP RSATPGPPGE 
    HLVNGRMDFA FPGSTNSLHR MTTTSAAAYG THLSPHVPHR VLSTSSTLTR DYNSLTRSEH 
    SHSTTLPRDY STLTSVSSHD SRLTAGVPDT PTRLVFSALG PTSLRVSWQE PRCERPLQGY 
    SVEYQLLNGG ELHRLNIPNP AQTSVVVEDL LPNHSYVFRV RAQSQEGWGR EREGVITIES 
    QVHPQSPLCP LPGSAFTLST PSAPGPLVFT ALSPDSLQLS WERPRRPNGD IVGYLVTCEM 
    AQGGGPATAF RVDGDSPESR LTVPGLSENV PYKFKVQART TEGFGPEREG IITIESQDGG 
    PFPQLGSRAG LFQHPLQSEY SSITTTHTSA TEPFLVDGLT LGAQHLEAGG SLTRHVTQEF 
    VSRTLTTSGT LSTHMDQQFF QT

Genular Protein ID: 4291971899

Symbol: B7ZLD8_HUMAN

Name: N/A

UniProtKB Accession Codes:

Database IDs:

Citations:

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: 1752
  • Mass: 195041
  • Checksum: C39EC4D58A1A6DC6
  • Sequence:
  • MAGPRPSPWA RLLLAALISV SLSGTLANRC KKAPVKSCTE CVRVDKDCAY CTDEMFRDRR 
    CNTQAELLAA GCQRESIVVM ESSFQITEET QIDTTLRRSQ MSPQGLRVRL RPGEERHFEL 
    EVFEPLESPV DLYILMDFSN SMSDDLDNLK KMGQNLARVL SQLTSDYTIG FGKFVDKVSV 
    PQTDMRPEKL KEPWPNSDPP FSFKNVISLT EDVDEFRNKL QGERISGNLD APEGGFDAIL 
    QTAVCTRDIG WRPDSTHLLV FSTESAFHYE ADGANVLAGI MSRNDERCHL DTTGTYTQYR 
    TQDYPSVPTL VRLLAKHNII PIFAVTNYSY SYYEKLHTYF PVSSLGVLQE DSSNIVELLE 
    EAFNRIRSNL DIRALDSPRG LRTEVTSKMF QKTRTGSFHI RRGEVGIYQV QLRALEHVDG 
    THVCQLPEDQ KGNIHLKPSF SDGLKMDAGI ICDVCTCELQ KEVRSARCSF NGDFVCGQCV 
    CSEGWSGQTC NCSTGSLSDI QPCLREGEDK PCSGRGECQC GHCVCYGEGR YEGQFCEYDN 
    FQCPRTSGFL CNDRGRCSMG QCVCEPGWTG PSCDCPLSNA TCIDSNGGIC NGRGHCECGR 
    CHCHQQSLYT DTICEINYSA IHPGLCEDLR SCVQCQAWGT GEKKGRTCEE CNFKVKMVDE 
    LKRAEEVVVR CSFRDEDDDC TYSYTMEGDG APGPNSTVLV HKKKDCPPGS FWWLIPLLLL 
    LLPLLALLLL LCWKYCACCK ACLALLPCCN RGHMVGFKED HYMLRENLMA SDHLDTPMLR 
    SGNLKGRDVV RWKVTNNMQR PGFATHAASI NPTELVPYGL SLRLARLCTE NLLKPDTREC 
    AQLRQEVEEN LNEVYRQISG VHKLQQTKFR QQPNAGKKQD HTIVDTVLMA PRSAKPALLK 
    LTEKQVEQRA FHDLKVAPGY YTLTADQDAR GMVEFREGVE LVDVRVPLFI RPEDDDEKQL 
    LVEAIDVPAG TATLGRRLVN ITIIKEQARD VVSFEQPEFS VSRGDQVARI PVIRRVLDGG 
    KSQVSYRTQD GTAQGNRDYI PVEGELLFQP GEAWKELQVK LLELQEVDSL LRGRQVRRFH 
    VQLSNPKFGA HLGQPHSTTI IIRDPDELDR SFTSQMLSSQ PPPHGDLGAP QNPNAKAAGS 
    RKIHFNWLPP SGKPMGYRVK YWIQGDSESE AHLLDSKVPS VELTNLYPYC DYEMKVCAYG 
    AQGEGPYSSL VSCRTHQEVP SEPGRLAFNV VSSTVTQLSW AEPAETNGEI TAYEVCYGLV 
    NDDNRPIGPM KKVLVDNPKN RMLLIENLRE SQPYRYTVKA RNGAGWGPER EAIINLATQP 
    KRPMSIPIIP DIPIVDAQSG EDYDSFLMYS DDVLRSPSGS QRPSVSDDTE HLVNGRMDFA 
    FPGSTNSLHR MTTTSAAAYG THLSPHVPHR VLSTSSTLTR DYNSLTRSEH SHSTTLPRDY 
    STLTSVSSHD SRLTAGVPDT PTRLVFSALG PTSLRVSWQE PRCERPLQGY SVEYQLLNGG 
    ELHRLNIPNP AQTSVVVEDL LPNHSYVFRV RAQSQEGWGR EREGVITIES QVHPQSPLCP 
    LPGSAFTLST PSAPGPLVFT ALSPDSLQLS WERPRRPNGD IVGYLVTCEM AQGGGPATAF 
    RVDGDSPESR LTVPGLSENV PYKFKVQART TEGFGPEREG IITIESQDGG PFPQLGSRAG 
    LFQHPLQSEY SSITTTHTSA TEPFLVDGLT LGAQHLEAGG SLTRHVTQEF VSRTLTTSGT 
    LSTHMDQQFF QT