Amount : | Non Profit |
PD-L2 Stable Cell Line is a stably transfected CHO-K1 cell line which expresses human Programmed Death- Ligand 2 (PD-L2, also known as B7-DC and CD273).
Sequence data: hPD-L2 (accession numberNP_079515)
Content : | Each vial contains 2 ~ 3 x 10^6 cells in 1 ml of 90% FBS + 10% DMSO. |
Storage condition : | Immediately upon receipt, store in liquid nitrogen. |
Application:.
- Screen for antibodies of human PD-L2 through Flow Cytometry.
Culture conditions:
LIMITED USE RESTRICTIONS:
THIS PRODUCT IS SOLELY FOR IN VITRO RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE.
By use of this product, user agrees to be bound by the terms of this limited use statement.
This product issolely for Internal Research Purposesandnot for Commercial Purposes. Commercial Purposes include, but are not limited to (1) use of the cell line in manufacturing; (2) use of the cell line to provide a service, information or data; (3) use of the cell line for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the cell line whether or not such cell lines are resold for use in research.The buyer cannot sell, give or otherwise transfer this product to a third party.
Commercial License Agreement is available for non-research use if applicable. Please contact Abeomics (info@abeomics.com).
For Research Use Only. Not for use in diagnostic/therapeutics procedures.
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可与MHCⅡ类分子结合的都是蛋白性抗原;多糖和脂类不易于MHCⅡ类分子连接,难以被TH细胞识别,因而多不是良好的免疫原;但有时可以诱导抗体性免疫应答。 抗原递呈(antigenpresentation)是辅佐细胞向辅助性T细胞展示抗原和MHCⅡ类分子的复合物,并使之与TCR结合的过程。这个过程是几乎所有淋巴细胞活化的必需步骤。抗原递呈之前,经处理后的抗原肽段已经连接在MHC分子顶端的槽中,这个复合物便是TCR的配体。TCR与配体结合的精确模式尚未清楚,一个合理的说法是TCR中α和β链的V段接触MHC分子的α螺旋(形成MHC分子顶端槽的肽段),使高可变的连接部(V-J及V-D-J)与抗原肽段相结合。这样保证了TCR识别抗原的特异性。
超抗原的递呈有独特的模式,它不需要胞内处理,可以直接与MHCⅡ类分子结合。超抗原不结合在MHCⅡ类分子的顶端槽中,而是结合在槽的外侧;与TCR结合时,不结合其α链,只结合β链的V节段。超抗原对TCR和MHCⅡ类分子的结合都非常牢固,象一支双向钩子将T细胞和辅佐细胞紧紧地连在一起,很容易使T细胞活化。另外,任何超抗原都只与含特殊β链V节段的TCR结合,这样的TCR约占外周T细胞总数的1%~10%,这一数字远远大于任何普通抗原所能识别的细胞数;所以某些产毒细胞感染时,容易发生急性期素休克综合征,就是超抗原刺激的结果。向左转|向右转
抗体(antibody)
看了百科以后依然不太明白,语言通俗一点最好。谢谢。