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I1896 Sigma

Interleukin-13 from mouse

≥97% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, cell culture tested

Synonym: IL-13



Related Categories Cancer Research, Cell Biology, Cell Culture, Cell Signaling and Neuroscience, Cytokines & Growth Factors,
recombinant   expressed in E. coli
assay   ≥97% (SDS-PAGE)
form   lyophilized powder
mol wt   mol wt 11.5 kDa (predicted; 9 kDa under reducing conditions)
impurities   endotoxin, tested
suitability   cell culture tested
storage temp.   −20°C
Gene Information   mouse ... Il13(16163)


Biochem/physiol Actions

Interleukin-13 is a pleiotropic cytokine produced by activated Th2 cells in the mouse and human. IL-13 is secreted mainly as an unglycosylated protein of 132 amino acids with a molecular weight of 10,000 daltons. A 4.3kb DNA fragment of the mouse IL-13 gene was sequenced and occurs as a single copy mapping a chromosome 11. In the human, a 4.6 kb DNA segment of the IL-13 gene occurs as a single copy and maps to chromosome 5. IL-13 induces B cell proliferation and also induces IgE switching. The proliferative activity of human and mouse IL-13 products are tested in culture using the human erythroleukemic cell line TF-1.

Physical form

lyophilized from a 0.2 μm filtered solution in phosphate buffered saline (PBS), pH 7.4, with 50 μg bovine serum albumin (BSA) per 1 μg of cytokine

Price and Availability

All labs need water
Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Interleukin Family (IL)

The Interleukins comprise a disparate group of cytokines and growth factors that are produced by and released from leukocytes. Interleukin-1β (1L-1β) is released primarily from stimulated macrophages...
Jennifer Fries
BioFiles 2009, 4.5, 16.
Keywords: Anti-inflammatory agents, Antitumor agents, Cancer, Cell proliferation, Gene expression, Growth factors, Transcription

Peer-Reviewed Papers


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