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Cell Signaling Technology

Orders: 877-616-CELL (2355) [email protected]

Support: 877-678-TECH (8324)

Web: [email protected] cellsignal.com

3 Trask LaneDanversMassachusetts01923USA
For Research Use Only. Not for Use in Diagnostic Procedures.
MW (kDa):

31

UniProt ID:

#Q8IU54

Entrez-Gene Id:

282618

Background

IL-29 is a member of the IFNλ family of cytokines and shares many functions with the type I family of interferons (1,2). IL-29 is produced by monocytes and dendritic cells in response to viral infection and stimulation with toll-like receptor ligands (1-3). IL-29 is a potent antiviral cytokine. The antiviral activities of IL-29 include the upregulation of MHC Class I expression on the cell surface, and the expression of PKR, MxA, and 2’, 5'-OAS (1,2). The IL-29 receptor consists of IL-28Rα and IL-10Rβ is expressed on most non-hematopoietic cells (3). IL-29 binding induces the phosphorylation of Stats 1, 2 and 3 (1,3).

  1. Kotenko, S.V. et al. (2003) Nat Immunol 4, 69-77.
  2. Sheppard, P. et al. (2003) Nat Immunol 4, 63-8.
  3. Donnelly, R.P. et al. (2004) J Leukoc Biol 76, 314-21.

Endotoxin

Less than 0.01 ng endotoxin/1μg hIL-29.

Purity

>98% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hIL-29. All lots are greater than 98% pure.

Source / Purification

Recombinant human IL-29 (hIL-29) Gly20-Thr200 (Accession #NP_742152) was expressed in human 293 cells at Cell Signaling Technology.

Bioactivity

The bioactivity of hIL-29 was determined in a virus protection assay. The ED50 of each lot is between 0.40-1.45 ng/ml.

Background

IL-29 is a member of the IFNλ family of cytokines and shares many functions with the type I family of interferons (1,2). IL-29 is produced by monocytes and dendritic cells in response to viral infection and stimulation with toll-like receptor ligands (1-3). IL-29 is a potent antiviral cytokine. The antiviral activities of IL-29 include the upregulation of MHC Class I expression on the cell surface, and the expression of PKR, MxA, and 2’, 5'-OAS (1,2). The IL-29 receptor consists of IL-28Rα and IL-10Rβ is expressed on most non-hematopoietic cells (3). IL-29 binding induces the phosphorylation of Stats 1, 2 and 3 (1,3).

Background References

    Cross-Reactivity Key

    H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected

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    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
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    Human Interleukin-29 (hIL-29)

    Human Interleukin-29 (hIL-29): Image 1 Expand Image
    使用病毒防护测定法可确定重组 hIL-29 的生物活性。Hep G2 细胞用浓度递增的 hIL-29 预处理 24 小时。细胞随后用脑心肌炎病毒 (EMCV) 进行接种,并孵育 24 小时。存活细胞随后进行固定并用结晶紫染色,光密度检测(OD)595
    Human Interleukin-29 (hIL-29): Image 2 Expand Image
    对 6 µg 还原 (+) 和非还原 (-) 重组 hIL-29 进行 SDS-PAGE 并用考马斯蓝染色过夜来确定重组 hIL-29 的纯度。
    Human Interleukin-29 (hIL-29): Image 3 Expand Image
    使用 Phospho-Stat3 (Tyr705) (D3A7) XP® Rabbit mAb #9145(上图)或 Stat3 Antibody #9132(下图),对未经处理或已经 hIL-29 处理 15 分钟的 RPMI 8226 细胞的提取物进行蛋白质印迹分析。