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Key Documents

SRP3089

Sigma-Aldrich

IL-22 human

recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture

Synonym(s):

IL-TIF

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.32

biological source

human

recombinant

expressed in E. coli

Assay

≥98% (HPLC)
≥98% (SDS-PAGE)

form

lyophilized

mol wt

32.8 kDa

packaging

pkg of 10 μg

technique(s)

cell culture | mammalian: suitable

impurities

<0.1 EU/μg endotoxin, tested

color

white to off-white

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... IL22(50616)

General description

IL22 (interleukin 22) is a member of the IL10 related cytokine family, and this gene is localized to the human chromosome 12q15. This protein is predominantly produced by activated CD4+ T cells, and its target cells include mesangial, neuronal and hepatoma cell types. Recombinant human IL-22 is a 33.6 kDa non-disulfide-linked homodimeric protein containing of two 147 amino acid polypeptide chains.

Biochem/physiol Actions

IL22 (interleukin 22) is responsible for eliciting acute-phase responses including, anemia, weight loss, increase in platelet numbers, elevated serum amyloid A and fibrinogen levels and reduced levels serum albumin levels. During inflammation, this protein leads to an increase in pancreatitis-associated protein 1 (PAP1) and osteopontin in pancreatic acinar cells, which might either have protective or trophic effects. This protein is involved in the crosstalk between keratinocytes and inflammatory cells. It is linked with tumorigenesis and progression of tumors. 429 C/T polymorphism in this gene is linked with susceptibility to bladder cancer. In patients with recurrent pregnancy loss, the expression of IL22 is reduced in the uterine decidua, which might lead to disruption of decidual homeostasis, and hence, early loss of pregnancy.

Sequence

MAPISSHCRL DKSNFQQPYI TNRTFMLAKE ASLADNNTDV RLIGEKLFHG VSMSERCYLM KQVLNFTLEE VLFPQSDRFQ PYMQEVVPFL ARLSNRLSTC HIEGDDLHIQ RNVQKLKDTV KKLGESGEIK AIGELDLLFM SLRNACI

Physical form

Lyophilized from 10 mM NaCitrate, pH 3.0

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.5-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Expression of interleukin-22 in decidua of patients with early pregnancy and unexplained recurrent pregnancy loss.
O'Hern Perfetto C, et al.
Journal of Assisted Reproduction and Genetics, 32(6), 977-984 (2015)
Regulation of T cells and cytokines by the interleukin-10 (IL-10)-family cytokines IL-19, IL-20, IL-22, IL-24 and IL-26.
Oral HB, et al.
European Journal of Immunology, 36(2), 380-388 (2006)
Tao Zhao et al.
Clinics (Sao Paulo, Brazil), 70(10), 686-690 (2015-11-26)
The cytokine interleukin-22 (IL-22), which is produced by T cells and natural killer cells, is associated with tumorigenesis and tumor progression in cancers. However, the role of IL-22 in bladder cancer has not been investigated. A prospective hospital-based case-control study
Sergei V Kotenko
Cytokine & growth factor reviews, 13(3), 223-240 (2002-12-19)
Five novel cytokines (IL-19, IL-20, IL-22 (IL-TIF), IL-24 (human MDA-7, mouse FISP, rat C49A/Mob-5), and IL-26 (AK155)) demonstrating limited primary sequence identity and probable structural homology to IL-10 have been identified. These cellular cytokines, as well as several cytokines encoded
María J Loera-Arias et al.
Biotechnology letters, 36(12), 2489-2494 (2014-09-13)
Interleukin-22 (IL-22) participates in the modulation of innate immunity and inflammation. This cytokine has important therapeutic potential, such as with ulcerative colitis, liver and lung injury, and infection, in different animal models. We generated a Lactococcus lactis strain that secretes

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