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SAB1403976

Sigma-Aldrich

Monoclonal Anti-IL13 antibody produced in mouse

clone 3H7, purified immunoglobulin, buffered aqueous solution

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

conjugate

unconjugated

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

3H7, monoclonal

form

buffered aqueous solution

mol wt

antigen ~38.32 kDa

species reactivity

human

technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable
indirect ELISA: suitable
western blot: 1-5 μg/mL

isotype

IgG2aκ

immunogen sequence

MPSPGTVCSLLLLGMLWLDLAMAGSSFLSPEHQRVQQRKESKKPPAKLQPRALAGWLRPEDGGQAEGAEDELEVRFNAPFDVGIKLSGVQYQQHSQALGKFLQDILWEEAKEAPADK

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... IL13(3596)

Related Categories

General description

This gene encodes an immunoregulatory cytokine produced primarily by activated Th2 cells. This cytokine is involved in several stages of B-cell maturation and differentiation. It up-regulates CD23 and MHC class II expression, and promotes IgE isotype switching of B cells. This cytokine down-regulates macrophage activity, thereby inhibits the production of pro-inflammatory cytokines and chemokines. This cytokine is found to be critical to the pathogenesis of allergen-induced asthma but operates through mechanisms independent of IgE and eosinophils. This gene, IL3, IL5, IL4, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL4. [provided by RefSeq

Immunogen

IL13 (NP_002179, 1 a.a. ~ 146 a.a) full length recombinant protein with GST tag. MW of the GST tag alone is 26 KDa.

Biochem/physiol Actions

Interleukin-13 (IL-13) has a role in immune activities against infections and influences the function of various cells taking part in the same. It has been studied to be overexpressed in glioblastoma tumors and cell lines. IL-13 stimulates fibrosis in many infectious diseases. Targeted deletion of IL-13 in mice resulted in impaired T-helper 2 (Th2) cell development and indicated an important role for IL-13 in the expulsion of gastrointestinal parasites. IL-13 exerts anti-inflammatory effects on monocytes and macrophages and it inhibits the expression of inflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukins-1β, -6 and -8. IL-13 has also been shown to enhance B cell proliferation and to induce isotype switching resulting in increased production of immunoglobulin E (IgE). Blocking of IL-13 activity inhibits the pathophysiology of asthma.

Physical form

Solution in phosphate buffered saline, pH 7.4

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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IL-13 induces proliferation, Ig isotype switching, and Ig synthesis by immature human fetal B cells.
Punnonen J and de Vries JE
Journal of Immunology, 152(3), 1094-1102 (1994)
IL-4, IL-10 and IL-13 down-regulate monocyte-chemoattracting protein-1 (MCP-1) production in activated intestinal epithelial cells.
Kucharzik T
Clinical and Experimental Immunology, 111(1), 152-157 (1998)
T cell responses: naive to memory and everything in between.
Pennock ND
Advances in Physiology Education, 37(4), 273-283 (2013)
Qi Liu et al.
The Journal of heart valve disease, 24(4), 496-501 (2016-02-24)
Interleukin (IL)-13 is a major inducer of fibrosis in many chronic infectious diseases, yet few studies have reported its role in valvular fibrosis in patients with rheumatic heart disease (RHD). The study aim was to investigate the role of IL-13
IL-13 mediates IL-33-dependent mast cell and type 2 innate lymphoid cell effects on bronchial epithelial cells.
Deepti R Nagarkar et al.
The Journal of allergy and clinical immunology, 136(1), 202-205 (2015-03-19)

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