产品号 #78025_C
白介素11
白细胞介素11 (IL-11)是一种多效性细胞因子,作用于骨髓、脑和肠粘膜等多种组织(Du & Williams)。它属于IL-6细胞因子家族,它们共享一个共同的信号传感器gp130。IL-11诱导造血干细胞(Lemoli等人)和巨核细胞祖细胞(Bruno等人)的增殖、巨核细胞的成熟(Burstein等人)和血小板的产生(Neben等人)。IL-11由多种细胞类型产生,包括造血细胞、间充质细胞、上皮细胞和神经细胞。该基因首次从人骨髓源性基质细胞系KM-102 cDNA文库中克隆得到(Kawashima et al.)。IL-11与其受体的结合诱导gp130亚基的异源二聚化和JAK酪氨酸激酶的激活。IL-11是首个被批准用于治疗化疗引起的血小板减少症的药物。IL-11还通过诱导上皮癌细胞的增殖和远处器官转移细胞的存活,在癌症进展中发挥作用。最近,IL-11在与STAT3上调相关的粘膜稳态失调疾病的发病机制中所起的作用引起了人们的兴趣,包括胃肠道癌症(Putoczki等人)。
Subtype
Cytokines
Cell Type
B Cells, Hematopoietic Stem and Progenitor Cells, Other, Pluripotent Stem Cells, T Cells
Species
Human
Area of Interest
Cancer, Immunology, Stem Cell Biology
Purity
≥ 95%
(A) The biological activity of Human Recombinant IL-11 was tested by its ability to promote the proliferation of TF-1 cells. Cell proliferation was measured using a fluorometric assay method. The EC50 is defined as the effective concentration of the growth factor at which cell proliferation is at 50% of maximum. The EC50 in the above example is 1.68 ng/mL. (B) 1 μg of Human Recombinant IL-11 was resolved with SDS-PAGE under reducing (+) and non-reducing (-) conditions and visualized by Coomassie Blue staining. Human Recombinant IL-11 has a predicted molecular mass of 19.3 kDa but migrates to an apparent molecular mass of 23 kDa.
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Species | Human |
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Purity | ≥ 95% |
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