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Polyclonal Anti-human IL-4

Polyclonal Anti-human IL-4

Cat no: RP1009

Supplier: Boster Immunoleader
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Rabbit IgG polyclonal antibody for Interleukin-4 (IL4) detection. Tested with WB, IHC-P, ELISA, Neu, IP in Human.
Catalogue number: RP1009
Price: $240.00
Reactivities: Human
Applications: Block/Neutralize/Inhibit, ELISA, Immunohistochemistry, Immunoprecipitation, Western Blot
Size: 100ug/vial
Gene: IL4
Swiss prot: P05112
Form: Lyophilized
Format: Each vial contains 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.
Storage temp: "At -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time. Avoid repeated freezing and thawing. "
Scientific background: Interleukin-4 (IL-4), also knowns as a B-cell stimulatory factor1 (BSF1), is an immunomodulatory cytokine, which can inhibit the growth of tumour cells.1 The human cDNA contains a single open reading frame encoding a protein of 153 amino acids, including a putative signal peptide. IL-4 may act as an autocrine growth factor in pancreatic cancer cells and also give rise to the possibility that cancer-derived IL-4 may suppress cancer-directed immunosurveillance in vivo in addition to its growth-promoting effects, thereby facilitating pancreatic tumor growth and metastasis.1 The mouse and human genes and their protein products show structural and functional similarities. The human IL-4 gene, which occurs as a single copy in the haploid genome, is mapped on chromosome 5.2 The standard product used in this kit is recombinant human IL-4, consisting of 130 amino acids with the molecular mass of 14KDa.
References: 1. Prokopchuk, O.; Liu, Y.; Henne-Bruns, D.; Kornmann, M. Interleukin-4 enhances proliferation of human pancreatic cancer cells: evidence for autocrine and paracrine actions. Br J Cancer.2005 Mar 14;92(5):921-8. 2. Arai, N.; Nomura, D.; Villaret, D.; DeWaal Malefijt, R.; Seiki, M.; Yoshida, M.; Minoshima, S.; Fukuyama, R.; Maekawa, M.; Kudoh, J.; Shimizu, N.; Yokota, K.; Abe, E.; Yokota, T.; Takebe, Y.; Arai, K. Complete nucleotide sequence of the chromosomal gene for human IL-4 and its expression. J. Immun. 142: 274-282, 1989.
Additional info: E. coli-derived human IL-4 recombinant protein (Position: H25-S153).
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