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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
12个月
- 英文名:
Recombinant Butyrophilin Subfamily 1, Member A1 (BTN1A1)
- 库存:
100
- 供应商:
上海沪震
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
Organism species Homo sapiens (Human)
Product No. RPC347Hu01
Source Prokaryotic expression
Host E.coli
Purity > 95%
UOM 50ug
Predicted Molecular Mass n/a
Predicted isoelectric point n/a
Applications SDS-PAGE; WB; ELISA; IP.
Endotoxin Level <1.0EU per 1µg (determined by the LAL method)
Subcellular Location n/a
嗜乳脂蛋白亚家族1成员A1(BTN1A1)重组蛋白Residues n/a
Formulation Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.
USAGE
Reconstitute in sterile PBS, pH7.2-pH7.4.
STORAGE AND STABILITY
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8oC for one month. Aliquot and store at -80oC for 12 months.
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
About the MARKER (complimentary)
Effective Size Range: 10kDa to 70kDa.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
嗜乳脂蛋白亚家族1成员A1(BTN1A1)重组蛋白Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验腺病毒载体的优点: 1. 宿主范围广, 对人致病性低 腺病毒载体系统可广泛用于人类及非人类蛋白的表达。腺病毒可感染一系列哺乳动物细胞,因此在大多哺乳动物细胞和组织中均可用来表达重组蛋白。特别需要指出的是:腺病毒具有嗜上皮细胞性,而人类的大多数的肿瘤就是上皮细胞来源的。另外,腺病毒的复制基因和致病基因均已相当清楚,在人群中早已流行(70-80%成人体内都有腺病毒的中和抗体存在)。人类感染野生型腺病毒后仅产生轻微的自限性症状,且病毒唑治疗有效。 2. 在增殖和非增殖细胞中感染
共刺激作用。八十年代末至九十年代初期共刺激分子B7在肿瘤免疫研究中较为深入和广泛。 共刺激分子B7为44-54kD的糖蛋白,属于免疫球蛋白超家族成员。最初发现于活化的B细胞上,它也表达于树突状细胞、活化的巨噬细胞上。除B细胞来源的肿瘤外,其他肿瘤很少表达B7。共刺激分子的缺乏也是肿瘤的弱免疫原性的重要因素。B7又分为B7-1(又名为CD80)和B7-2(又名为CD86),两者仅有25%氨基酸同源。APC活化时,B7-2表达早于 B7-1。B7有两种受体存在于T细胞表面,CD28低亲和力受体
的产量。 细胞凋亡由一系列基因精确地调控,是多细胞生物发育和维持稳态所必需的生理现象。已知凋亡的最终执行者是Caspase家族,它们均为半胱氨酸蛋白酶,各识别一个4氨基酸序列,并在识别序列C端天冬氨酸残基处将底物切断。Caspase含有可被自身识别的序列,可以切割活化自身而导致信号放大,并作用于下游Caspase成员,从而形成Caspase家族的级联放大,最终作用于效应蛋白,引起细胞凋亡。 所以在大规模培养时干扰细胞在培养中凋亡的发生,提高细胞特异性抵制遇到压力而引起凋亡的能力,有利于提高
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