Human IFN-gamma / IFNG Protein, premium grade
分子别名(Synonym)
Interferon-gamma ,Interferon-γ
表达区间及表达系统(Source)
Human IFN-gamma, premium grade (IFG-H4211) is expressed from human 293 cells (HEK293). It contains AA Gln 24 - Gln 166 (Accession # P01579).
Predicted N-terminus: Gln 24
该产品在严格的质量控制体系下生产,涵盖无菌检测及内毒素检测等全套测试项目。其性能经严格验证,确保适用于细胞培养及临床前阶段的相关应用。
GMP-IFGH24是IFG-H4211蛋白的GMP级版本,二者性能参数无差异,可为终端用户提供从临床前研究到临床阶段的无缝衔接。
蛋白结构(Molecular Characterization)

This protein carries no "tag".
The protein has a calculated MW of 16.8 kDa. The protein migrates as 15 kDa, 19 kDa and 24 kDa±3 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素(Endotoxin)
Less than 0.01 EU per μg by the LAL method / rFC method.
宿主蛋白残留(Host Cell Protein)
<0.5 ng/µg of protein tested by ELISA.
宿主核酸残留(Host Cell DNA)
<0.02 ng/μg of protein tested by qPCR.
无菌(Sterility)
Negative
支原体(Mycoplasma)
Negative
纯度(Purity)
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
制剂(Formulation)
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法(Reconstitution)
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储(Storage)
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.


背景介绍
γ-干扰素(IFN-γ/IFNG)是唯一的II型干扰素,为可溶性二聚化细胞因子。该分子最初被称为巨噬细胞活化因子(现指代包含IFN-γ在内的更大蛋白家族),已在多种临床适应症中应用。作为免疫应答的核心调节因子,IFN-γ通过Janus激酶(JAK)-信号转导及转录激活因子(STAT)通路传递信号,通过上调细胞周期调控、凋亡及抗原加工/呈递相关基因的转录,在激活抗病毒/抗肿瘤的固有免疫与适应性免疫中发挥广泛作用。然而,啮齿类与人类滋养层细胞对IFN-γ的应答呈现钝化现象,这源于其对IFN-γ介导的MHC II类移植抗原表达激活具有抵抗性。
关键字: IFN-gamma;IFN-gamma蛋白;IFN-gamma重组蛋白;ACRO;百普赛斯;
百普赛斯集团ACROBiosystems Group(股票代码:301080)是成立于2010年的跨国生物科技公司,是为全球生物医药、健康产业领域提供关键生物试剂产品及解决方案的行业平台型基石企业。2021年在创业板上市。百普赛斯集团业务遍布全球,横跨亚洲、北美洲、欧洲,在中国、美国、瑞士等12个城市设有办公室、研发中心及生产基地。目前累计服务客户超6000家,与全球Top 20医药企业均建立了长期、稳定的合作伙伴关系。集团旗下拥有品牌ACROBiosystems百普赛斯、bioSeedin柏思荟、Condense Capital垦拓资本和ACRODiagnostics百斯医学等。