| Format : | Purified |
| Amount : | 100 µg |
| Isotype : | Mouse IgG2b Kappa |
| Purification : | Protein G Chromatography |
| Content : | 25 µg in 50 µl/100 µg in 200 µl PBS containing 0.05% BSA and 0.05% sodium azide. Sodium azide is highly toxic. |
| Storage condition : | Store the antibody at 4°C; stable for 6 months. For long-term storage; store at -20°C. Avoid repeated freeze and thaw cycles. |
| Gene : | GP |
| Gene ID : | 3160774 |
| Uniprot ID : | Q7T9D9 |
| Alternative Name : | GP |
| Immunogen Information : | A partial Length recombinant GP I protein of Sudan Ebola virus was used as an immunogen for this antibody. |
The Sudan ebola virus (SUDV) glycoprotein (GP) is an envelope glycoprotein that is present on the virion surface and is involved in receptor binding and mediating viral entry. It is composed of a trimer of heterodimers (GP1/GP2), where GP1 and GP2 remain covalently linked by a disulfide bond9, and the resulting GP1-GP2 pair trimerizes to form a ~450 kDa envelope spike on the viral surface. GP is synthesized as a single polypeptide of 676 amino acids in length that is post-translationally cleaved by furin to yield two subunits, GP1 and GP2. The GP1 subunit contains two heavily glycosylated domains, the glycan cap and the mucin-like domain (MLD). The glycan cap contains only N-linked glycans, whereas the MLD contains both N- and O-linked glycans. All 15 N-glycosylation sites of GP1 could be removed without compromising the expression of GP. In the endosome, a flexible loop containing GP1 residues 190 213 is cleaved by host cathepsins. This cleavage releases the glycan cap and mucin-like domains from GP1. The GP1 subunit is responsible for receptor binding and attachment to new host cells.
Western blot analysis: 0.5-1 µg/ml
For Research Use Only. Not for use in diagnostic/therapeutics procedures.
| Subcellular location: | Secreted |
| Post transnational modification: | Specific enzymatic cleavages in vivo yield mature proteins. The precursor is processed into GP1 and GP2 by host cell furin in the trans Golgi, and maybe by other host proteases, to yield the mature GP1 and GP2 proteins. The cleavage site corresponds to the furin optimal cleavage sequence [KR]-X-[KR]-R. This cleavage does not seem to be required for function. After the internalization of the virus into cell endosomes, GP1 C-terminus is removed by the endosomal proteases cathepsin B, cathepsin L, or both, leaving a 19-kDa N-terminal fragment which is further digested by cathepsin B. Proteolytic processing of GP1,2 by host ADAM17 can remove the transmembrane anchor of GP2 and leads to shedding of complexes consisting in GP1 and truncated GP2 (GP1,2delta) (By similarity). |
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前段时间有个同学因为细胞状态不好，培养基里有小黑点，怀疑是支原体污染。于是检测了一下，果真是的，就买了支原体清除剂。别说效果还真好，3天后细胞状态就好了。
既然细胞状态好了，就停用了，没想到一停用，细胞状态就又差了。把培养箱、细胞房都清理一遍还是不行，就问到了我，既然这些因素都排除了，最后只有一个可能了，刚买的Gibco的胎牛血清，本来心里还想，同学实验室真是土豪啊，我就问了价格，南美胎牛1500……澳州胎牛血清3000……，简直惊讶到了，现在Gibco的血清简直是一货难求，澳州胎牛血清已经炒到了8000+了。
就断定这个血清肯定是假的，用检测试剂盒检测了一下，果然是这个问题，假血清真是害人啊，这些无良奸商……由于支原体比较小，滤器过滤不掉，所以大家买血清的时候一定要先试用，检测一下支原体（现在好多大牌子都会有支原体检测报告）
这里来分享一下支原体检测方法：
1，PCR检测法。
2支原体检测跑胶图-20084539882.jpg
这个Primers是依据支原体基因组中高度保守的16SrRNA编码域而设计的，只需简单的PCR反应就可检测M.Arginini,M.Fermentans,M.Hyorhinis,M.Orale,M.Salivarium,M.Hominis,M.Pneumonia等常见的支原体。
2，DNA萤光染色法
利用萤光染剂（bisbenzimide,Hoechst33258）侦测支原体污染。此染剂会结合到DNA之Adenosine-Thymidine(A-T)rich区域，因为支原体之DNA中A-T含量占多数（55～80%），所以可将其染色而侦测。被支原体污染之细胞经染色后，在细胞核外与细胞周围可看到许多大小均一之萤光小点，即为支原体之DNA，证明有支原体之污染。
Cell+细胞卫士__MycoTestKit(支原体检测试剂盒)：
支原体：黑色的，好象多为多形，培养液一般会浑浊，原体感染，国内血清很多都没有做支原体阴性检测，而支原体是牛血清中最常见的微生物之一。而且它不能用过滤的办法除去。支原体感染细胞以后，细胞病变不很明显，只是慢慢死去。
MycoTestKit是利用降落聚合酶链式反应技术（TD-PCR）对支原体16SrRNA基因高度保守区域特异性片段进行扩增检测。该方法灵敏度高，特异性强，可用于各种生物材料（如细胞培养基、实验动物分泌物、动物血清等）支原体感染的检测。
Cell+细胞卫士__NocardTreatment(支原体清除剂)：
（1）推荐NocardTreatment的稀释比例为1:1000，例如：1mL培养基加入1μL的NocardTreatment；
（2）弃去旧的培养基，用PBS将细胞清洗干净，再加入新鲜的含有NocardTreatment的培养基，1天1次，连续处理3-6天。
想做临床的血标本的一些代谢组学研究，不知道应该用血浆还是血清，大家的说法好像也不太一致，请大神指导啊，最好有些参考文献，谢谢！
谁的答案详细、真实分就给谁...(勿灌水，否则必究之)
1)提供基本营养物质：氨基酸、维生素、无机物、脂类物质、核酸衍生物等，是细胞生长必须的物质。
2)提供结合蛋白：结合蛋白作用是携带重要地低分子量物质，如白蛋白携带维生素、脂肪、以及激素等，转铁蛋白携带铁。结合蛋白在细胞代谢过程中起重要作用。
3)提供激素和各种生长因子：胰岛素、肾上腺皮质激素(氢化可的松、地塞米松)、类固醇激素(雌二醇、睾酮、孕酮)等。生长因子如成纤维细胞生长因子、表皮生长因子、血小板生长因子等。
4)对培养中的细胞起到某些保护作用：有一些细胞，如内皮细胞、骨髓样细胞可以释放蛋白酶，血清中含有抗蛋白酶成分，起到中和作用。这种作用是偶然发现的，现在则有目的的使用血清来终止胰蛋白酶的消化作用。因为胰蛋白酶已经被广泛用于贴壁细胞的消化传代。血清蛋白形成了血清的粘度，可以保护细胞免受机械损伤，特别是在悬浮培养搅拌时，粘度起到重要作用。血清还含有一些微量元素和离子，他们在代谢解毒中起重要作用，如SeO3,硒等
5)提供促接触和伸展因子使细胞贴壁免受机械损伤。
6)血清中有抗体，这是被称作免疫球蛋白的蛋白质，血清可以抗病毒,增强抵抗力血清属于生物制剂。
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