Recombinant Human Integrin alpha-E(ITGAE) ,partial

Code CSB-YP011874HU
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Source Yeast
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Code CSB-EP011874HU
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Source E.coli
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Code CSB-EP011874HU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP011874HU
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Source Baculovirus
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Code CSB-MP011874HU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names ITGAE
Uniprot No. P38570
Alternative Names A530055J10; alpha-E1; alpha-M290; aM290; Antigen CD103; CD 103; CD103; CD103 antigen; HML 1 antigen; HML-1 antigen; HML1 antigen; Human mucosal lymphocyte antigen 1; Human mucosal lymphocyte antigen 1, alpha subunit; Huminae; Integrin alpha E; Integrin alpha E heavy chain; Integrin alpha E light chain; Integrin alpha E, epithelial-associated; Integrin alpha E1 ; Integrin alpha IEL ; Integrin alpha M290; Integrin alpha-E heavy chain; Integrin alpha-IEL; Integrin, alpha E (antigen CD103, human mucosal lymphocyte antigen 1, alpha polypeptide); Integrin, alpha E; ITAE_HUMAN; Itgae; MGC141996; MGC183601; Mucosal lymphocyte 1 antigen; Mucosal lymphocyte antigen 1
Species Homo sapiens (Human)
Protein Length Partial
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Background

Integrin alpha-E/beta-7 is a receptor for E-cadherin. It mediates adhesion of intra-epithelial T-lymphocytes to epithelial cell monolayers.
Gene References into Functions
  1. Co-expression of CD39 and CD103 identifies tumor-reactive CD8 T cells in human solid tumors. PMID: 30006565
  2. Pxn binding to the CD103 cytoplasmic tail triggers alphaEbeta7 integrin outside-in signaling that promotes CD8(+) T-cell migratory behavior and effector functions. PMID: 29021139
  3. The CD103+CD4+/CD4+ ratio does not accurately discriminate between sarcoidosis and other causes of lymphocytic alveolitis, neither alone nor in combination with the CD4+/CD8+ ratio, and is not a powerful marker for the diagnosis of sarcoidosis. PMID: 27230039
  4. CD103 expression in human dendritic cells is regulated differentially by retinoic acid and Toll-like receptor ligands. PMID: 28087652
  5. detected CD103 tumor cells in 41% (16/39) of lymph node-involved adult T-cell leukemia/lymphoma PMID: 26813744
  6. Levels of GZMA and ITGAE mRNAs in colon tissues can identify patients with UC who are most likely to benefit from etrolizumab; expression levels decrease with etrolizumab administration in biomarker(high) patients. PMID: 26522261
  7. PD-1(+)CD103(+) CD8 TIL might regain functional antitumor activity, an effect that potentially could be augmented by immune modulation. PMID: 25957117
  8. This report highlights the diagnostic difficulties and the need of consensus in categorizing clonal CD103(+) lymphocytosis in patients with refractory celiac disease. PMID: 25637255
  9. Cell-sorting experiments demonstrated that IDO1 expression is found in a subset of CD1a(+)CD14(-)langerin(+) cells, expressing CD103 PMID: 25584868
  10. Report CD103 expression occurs most frequently in gastrointestinal T-cell lymphomas. PMID: 25025448
  11. Tumor-infiltrating lymphocytes expressing the tissue resident memory marker CD103 are associated with increased survival in high-grade serous ovarian cancer. PMID: 24190978
  12. Using a human CTL system model based on a CD8(+)/CD103(-) T cell clone specific of a lung tumor-associated Ag, we demonstrated that the transcription factors Smad2/3 and NFAT-1 are two critical regulators of this process. PMID: 24477908
  13. Memory CD103+ CD8 T cells that persist within the brain after an acute infection with vesicular stomatitis virus are bona fide tissue resident memory cells. PMID: 22922816
  14. Lymphoid tissue (LT)-resident CD8alpha-positive dendritic cells (DCs) and non(LT)-derived CD103-positive DCs express transgenic XCR1 and are characterized by a unique transcriptional fingerprint, irrespective of their tissue of origin. PMID: 21948982
  15. These findings support the usefulness of CD123 and CD103 to aid in the differential diagnosis of B-cell lymphoproliferative disorders PMID: 21917686
  16. Studies indicate that the mechanisms that regulate the retention of tissue-resident memory T cells include TGF-beta-mediated induction of CD103 and downregulation of CCR7. PMID: 21739671
  17. results show that binding of the human alphaE I domain to oral and skin keratinocytes is independent of E-cadherin PMID: 20875079
  18. has a role in mucosal immunity and graft rejection PMID: 12370249
  19. Involvement of the adhesive ligand pair CD103-E-cadherin in human thymocyte cell proliferation PMID: 12414996
  20. Differential up-regulation of CD103 expression on lamina propria lymphocytes in Crohn's disease may indicate differential humoral or cellular regulation in inducing CD103 molecules on lymphocytes in patients with this disease PMID: 14532999
  21. CD103 promotes destruction of renal allografts by CD8 T cells PMID: 15196058
  22. Integrin/activation marker CD103 (alphaEbeta7) is expressed on Epstein-Barr virus-specific tonsil-resident (but not peripheral blood mononuclear leukocyte-derived) cytotoxic T lymphocytes. PMID: 16177076
  23. CD103 expression on dendritic cells influences the balance between effector and regulatory T cell activity in the intestine. PMID: 16216886
  24. human alloantigen-induced CD103+ CD8+ T cells possess functional features of regulatory T cells PMID: 16920912
  25. CD8+/CD103+ tumor-reactive T lymphocytes infiltrating epithelial tumors most likely play a major role in antitumor cytotoxic response through alphaEbeta7-E-cadherin interactions. PMID: 17325197
  26. An investigation to evaluate the diagnostic value of relative number of CD103 expressing CD4(+) T-lymphocytes in the BAL fluid of patients with a variety of interstitial lung diseases, including pulmonary sarcoidosis, is reported. PMID: 18182176
  27. integrin alpha(E)(CD103)beta(7) is not only involved in epithelial retention, but also in shaping and proper intraepithelial morphogenesis of some leukocytes. PMID: 18492951
  28. Phenotypic analysis of peripheral blood and decidual CD8+ T cells showed the presence of activated CD8+ T cells as well as a population of CD8+CD103+ T cells in decidual tissue PMID: 19150377
  29. A higher proportion of CD103+CD4+ T cells and ITGAE -1088 AA genotype might be associated with fibrosis formation in pulmonary sarcoidosis. PMID: 19604725

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Subcellular Location Membrane; Single-pass type I membrane protein.
Protein Families Integrin alpha chain family
Tissue Specificity Expressed on a subclass of T-lymphocytes known as intra-epithelial lymphocytes which are located between mucosal epithelial cells.
Database Links

HGNC: 6147

OMIM: 604682

KEGG: hsa:3682

STRING: 9606.ENSP00000263087

UniGene: Hs.513867

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