IL7R alpha Protein, Rat, Recombinant (Fc Tag)

Cat: 80083-R05H
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IL7R alpha Protein, Rat, Recombinant (Fc Tag) Product Information
Purity
> 95 % as determined by SDS-PAGE
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method
Activity
Measured by its ability to bind rat IL7 (Cat:80329-RNAE) in a functional ELISA.
Protein Construction
A DNA sequence encoding the rat IL7R (D4A3X8) (Met1-Asp239) was fused with Fc region of mouse IgG at the C-terminus.
Reference#
Expressed Host
HEK293 Cells
Species
Rat
Predicted N Terminal
Glu 21
Molecule Mass
The recombinant rat IL7R/mFc comprises 453 amino acids and has a predicted molecular mass of 51.4 kDa. The apparent molecular mass of the protein is approximately 65 in SDS-PAGE under reducing conditions due to glycosylation.
Formulation
Lyophilized from sterile PBS, pH 7.4
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
IL7R alpha Protein, Rat, Recombinant (Fc Tag) in SDS-PAGE
Rat IL7R/IL-7R/CD127 Protein 12375
IL7R alpha Background Information

Interleukin 7 Receptor alpha (IL-7RA), also known as CD127, is a 75 kDa hematopoietin receptor superfamily member that plays an important role in lymphocyte differentiation, proliferation, and survival. IL-7 receptor alpha (CD127) signaling is essential for T-cell development and regulation of naive and memory T-cell homeostasis. IL-7RA is critically required for the proper development and function of lymphoid cells. Therefore, the IL-7RA is critically required for the proper development and function of lymphoid cells. Studies from both pathogenic and controlled HIV infection indicate that the containment of immune activation and preservation of CD127 expression are critical to the stability of CD4(+) T cells in infection. A better understanding of the factors regulating CD127 expression in HIV disease, particularly on T(CM) cells, might unveil new approaches exploiting the IL-7/IL-7R receptor pathway to restore T cell homeostasis and promote immune reconstitution in HIV infection. Factors relevant to HIV infection that could potentially decrease CD127 expression on human CD8(+) T cells. CD127 down-regulation may be an important contributor to HIV-associated T-cell dysfunction. In addition to IL-7, IL-7RA also associates with TSLPR to form the functional receptor for thymic stromal lymphopoietin (TSLP) which indirectly regulates T cell development by modulating dendritic cell activation. Mutations in the human IL-7RA gene cause a type of severe combined immunodeficiency in which the major deficiencies are in T cell development, whereas B and NK cells are relatively normal in number. Variation in the IL7RA gene was recently found associated with multiple sclerosis (MS). The polymorphisms in the IL7RA gene is involved in MS pathogenesis and suggest that IL7RA variation may primarily affect chronic disease courses. Soluble CD127 (sCD127) appears to play an important role in the immunopathogenesis of several chronic infections, multiple sclerosis, and various cancers.

Full Name
interleukin 7 receptor
References
  • Vranjkovic A, et al. (2007) IL-7 decreases IL-7 receptor alpha (CD127) expression and induces the shedding of CD127 by human CD8+ T cells. Int Immunol. 19(12): 1329-39.
  • Kiazyk SA, et al. (2008) Loss of CD127 expression links immune activation and CD4(+) T cell loss in HIV infection. Trends Microbiol. 16(12): 567-73.
  • Akkad DA, et al. (2009) Variation in the IL7RA and IL2RA genes in German multiple sclerosis patients. J Autoimmun. 32(2): 110-5.
  • Crawley AM, et al. (2010) Soluble IL-7R alpha (sCD127) inhibits IL-7 activity and is increased in HIV infection. J Immunol. 184(9): 4679-87.
  • Other IL7R alpha Proteins

    Cynomolgus IL7R alpha Proteins

    Product Name Cat.No.
    IL7R alpha Protein, Cynomolgus, Recombinant (His Tag) 90332-C08H

    Rat IL7R alpha Proteins

    Product Name Cat.No.
    IL7R alpha Protein, Rat, Recombinant (His Tag) 80083-R08H

    Mouse IL7R alpha Proteins

    Product Name Cat.No.
    IL7R alpha Protein, Mouse, Recombinant (His Tag) 50090-M08H

    Human IL7R alpha Proteins

    Product Name Cat.No.
    IL7R alpha Protein, Human, Recombinant (His Tag) 10975-H08H
    IL7R alpha Protein, Human, Recombinant (His & Fc Tag) 10975-H03H
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