- SynonymCEACAM1,CD66a,BGP,BGP1,BGPI
- SourceHuman CEACAM-1, His Tag (CE1-H5220) is expressed from human 293 cells (HEK293). It contains AA Gln 35 - Gly 428 (Accession # AAH14473).Predicted N-terminus: Gln 35Request for sequence
- Molecular Characterization

This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 44.1 kDa. The protein migrates as 57-100 kDa under reducing (R) condition (SDS-PAGE) due to different glycosylation.
- EndotoxinLess than 1.0 EU per μg by the LAL method.
- Purity
>92% as determined by SDS-PAGE.
- Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
- 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.
- 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.

Human CEACAM-1, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 92%.

Immobilized Human CEACAM-1, His Tag (Cat. No. CE1-H5220) at 10 μg/mL (100 μL/well) can bind Biotinylated Human CEACAM-8, His,Avitag (Cat. No. CE8-H82E9) with a linear range of 0.039-1.25 μg/mL (QC tested).
- BackgroundCarcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is also known as Biliary glycoprotein 1 (BGP1), CD66a,which belongs to the immunoglobulin superfamily or CEA family. CEACAM1 /CD66a contains three Ig-like C2-type (immunoglobulin-like) domains and one Ig-like V-type (immunoglobulin-like) domain. CEACAM1 /CD66a was described as an adhesion molecule mediating cell adhesion via both homophilic and heterophilic manners, and was detected on leukocytes, epithelia, and endothelia. Studies have revealed that CEACAM1 / BGP-1 performs actions in multiple cellular processes including tissue differentiation, angiogenesis, apoptosis, metastasis, as well as the modulation of innate and adaptive immune responses.
- References
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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流感病毒的基因组包含________基因,其中__________蛋白可作为__________的结构基础.
我不知道第一空如何填,第二空是否应该填"HA蛋白"?第3空是否应该填"突变"?
多谢各位啊!
新年快乐!
万事如意!
1、存在于细胞外环境时,不显复制活性,但保持感染活性,是病毒体或病毒颗粒形式。
2、抗原,是指能够刺激机体产生(特异性)免疫应答,并能与免疫应答产物抗体和致敏淋巴细胞在体外结合,发生免疫效应(特异性反应)的物质
患者,双手扶墙,脚尖着地;医生做好消毒,戴上手套,利用放血针(可以利用测血糖的放血针),在委中穴点刺放血,利用拔罐器把瘀血抽出来,直到见到新鲜血液为止。委中穴是解毒大穴。
中医强调治症不治病,虽然身体还有病毒,但是,只要症状能够解除,不影响正常生活和工作,就可以了。
需要强调:医生,一定要做好消毒、保护,防止病毒感染。 另外,可以把艾滋病作为一种疫病,尝试五苓散;五苓散是用来治疗疫病的。
①乙型肝炎表面抗原—抗体系统(HBsAg/抗—HBs);
②乙型肝炎核心抗原—抗体系统(HBcAg/抗—HBc):
③乙型肝炎e抗原—抗体系统(HBeAg);
④乙型肝炎Dane颗粒抗原—抗体系统
⑤乙型肝炎δ抗原—抗体系统(δ/抗—δ)。
临床意义 1.HBsAg:血清中检测到HBsAg ,表示体内感染了HBV,因而是一种特异性标志。HBsAg阳性见于:①急性乙型肝炎的潜伏期或急性期(大多短期阳性);②HBV致的慢性肝病、迁延性和慢性活动性肝炎、肝炎后肝硬化或原发性肝癌等。③无症状携带者
2.抗HBs:表示曾感染过HBV,不论临床上有无肝炎症状表现,均已得到恢复,并且对HBV有一定的免疫力。
3.HBcAg与抗HBc:由于 HBcAg主要存在于肝细胞核内,并仅存在于Dane颗粒中。因此,对病人血清不能检测HBcAg,而测抗HBc。血清内抗HBc阳性反映:①新近有过HBV感染;②体内有HBV增殖;③有助于诊断急性或慢性乙型肝炎,特别是少数病例就诊时已处于急性恢复期早期,HBsAg已从血中消失,此时血中仅有抗HBc存在,因此,对恢复期患者可作病因追索。
4.HBcAg和抗HBe:HBcAg的存在常表示病人血液有感染性。 HBcAg阳性揭示病人肝脏可能有慢性损害,对预后判断有一定帮助。抗HBe阳性对病人可能有一定的保护力。展开
所以说,感染同一种病毒,每个人识别的表位可能不一样。
主要是中度以上细胞免疫缺陷包括:CD4+T淋巴细胞耗竭,外周血淋巴细胞显著减少,CD4<200/μl,CD4/CD8<1.0,(正常人为1.25~2.1),迟发型变态反应皮试阴性,有丝分裂原刺激反应低下。NK细胞活性下降。
2.各种致病性感染的病原体检查
如用PCR方法检测相关病原体,恶性肿瘤的组织病理学检查。
3.HIV抗体检测
采用酶联免疫吸附法、明胶颗粒凝集试验、免疫荧光检测法、免疫印迹检测法、放射免疫沉淀法等,其中前三项常用于筛选试验,后二者用于确证试验。
4.PCR技术检测HIV病毒。

