I5896
Interleukin-7 human
≥98% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Synonyme(s) :
IL-7
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About This Item
Produits recommandés
Source biologique
human
Niveau de qualité
Produit recombinant
expressed in E. coli
Pureté
≥98% (SDS-PAGE)
Forme
lyophilized powder
Puissance
≤0.500 ng/mL EC50
Poids mol.
25 kDa
Conditionnement
pkg of 5 μg
Conditions de stockage
avoid repeated freeze/thaw cycles
Technique(s)
cell culture | mammalian: suitable
Impuretés
endotoxin, tested
Couleur
white
Solubilité
water: soluble 0.005-0.010 mL
Numéro d'accès UniProt
Température de stockage
−20°C
Informations sur le gène
human ... IL7(3574)
Catégories apparentées
Description générale
The interleukin-7 human (IL-7) gene is mapped to human chromosome 8q21.13. It is a non-hematopoietic cell-derived cytokine. IL-7 is majorly produced by the fibroblastic stromal cells, dendritic cells, thymus epithelial cells and skin keratinocytes. Structurally, IL-7 takes up an up-up-down-down 4-helix bundle topology and has two crossover loops.
Actions biochimiques/physiologiques
IL-7 helix A is crucial for its interaction with the interleukin-7 human receptor (IL-7Rα). It is reported to enhance immunity during viral infections and may be useful in cancer immunotherapy. Mutation in the IL-7 gene is implicated in CD4+ T-cell lymphopenia.
Interleukin-7 is a lymphoid cell growth factor which affects pre-B, pro-B and early T cells. It was first isolated by Namen in 1988. IL-7 has a number of known activities. It supports the growth of early B cells from long-term lymphoid bone marrow cultures. It is mitogenic for thymocytes and co-mitogenic with PHA and Con A. IL-7 also stimulates the proliferation of CD4/CD8 cells. The proliferative response of thymocytes to IL-7 is not affected by antibodies to the T cell growth factors such as IL-2, IL-4, and IL-6. Mature T cells respond to IL-7 and Con A, but not to IL-7 alone. Antibodies against IL-2 affect its activity, suggesting that it functions through IL-2 production. Human natural IL-7 is 25 kDa glycoprotein that has 6 cysteine residues which are important for biological activity. Human and mouse IL-7 have 60% amino acid sequence homology.
Lymphoid cell growth factor which affects pre-B, pro-B and early T cells; supports the growth of early B cells and is mitogenic for thymocytes and co-mitogenic with PHA and Con A; stimulates the proliferation of CD4/CD8 cells.
Forme physique
Lyophilized from a 0.2 μm filtered solution in 10 mM acetic acid containing 250 μg bovine serum albumin.
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
Certificats d'analyse (COA)
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Les clients ont également consulté
Jianbao Gao et al.
International journal of molecular sciences, 16(5), 10267-10280 (2015-05-09)
Interleukin-7 (IL-7) is a non-hematopoietic cell-derived cytokine with a central role in the adaptive immune system. It promotes lymphocyte development in the thymus and maintains survival of naive and memory T cell homeostasis in the periphery. Moreover, it is important
Fathollah Kalantar et al.
Iranian journal of immunology : IJI, 11(1), 1-12 (2014-03-19)
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Craig A McElroy et al.
Structure (London, England : 1993), 17(1), 54-65 (2009-01-15)
IL-7 and IL-7Ralpha bind the gamma(c) receptor, forming a complex crucial to several signaling cascades leading to the development and homeostasis of T and B cells. We report that the IL-7Ralpha ectodomain uses glycosylation to modulate its binding constants to
Generalized verrucosis and HPV-3 susceptibility associated with CD4 T-cell lymphopenia caused by inherited human interleukin-7 deficiency.
Liran Horev et al.
Journal of the American Academy of Dermatology, 72(6), 1082-1084 (2015-05-20)
Articles
Interleukins, released from leukocytes, include IL-1β playing crucial roles in inflammation, immune responses, and anti-tumor immunity.
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