歡迎來(lái)到上海谷研實(shí)業(yè)有限公司網(wǎng)站！
咨詢電話：18321818584歡迎來(lái)到上海谷研實(shí)業(yè)有限公司網(wǎng)站！咨詢電話：18321818584
簡(jiǎn)要描述：組織相容性抗原DQA2抗體注意事項(xiàng)；This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
產(chǎn)品型號(hào)：GOY-01K5512廠商性質(zhì)：科研更新時(shí)間：2023-10-24 00:00:00訪 問(wèn) 量：159產(chǎn)品分類
Product Category相關(guān)文章
Related Articles詳細(xì)介紹
商品屬性：
貨號(hào) | 產(chǎn)品名稱 | 規(guī)格 |
GOY-01K5512 | 組織相容性抗原DQA2抗體 | 50ul |
GOY-01K5512 | 組織相容性抗原DQA2抗體 | 100ul |
GOY-01K5512 | 組織相容性抗原DQA2抗體 | 200ul |
英文名稱: HLA-DQA2
中文名稱: 組織相容性抗原DQA2抗體
別 名；DQ alpha 2 chain; DQ(6) alpha chain;
DQA2_HUMAN; DX alpha; DX alpha chain; HLA class II histocompatibility antigen;
HLA class II histocompatibility antigen DQ(6) alpha chain; HLA class II
histocompatibility antigen, DQ alpha 2 chain; HLA DXA; HLA-DQA1; HLA-DQA2;
Major histocompatibility complex class II DQ alpha 2; MHC class II DQA2.
研究領(lǐng)域；細(xì)胞生物 免疫學(xué)
抗體來(lái)源；Rabbit
克隆類型；Polyclonal
交叉反應(yīng)；(predicted: Human, )
產(chǎn)品應(yīng)用；ELISA=1:5000-10000
IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （石蠟切片需做抗原修復(fù)）
not yet tested in
other applications.
optimal
dilutions/concentrations should be determined by the end user.
理論分子量；26kDa
細(xì)胞定位；細(xì)胞膜
性 狀；Liquid
濃 度；1mg/ml
免 疫 原；KLH conjugated synthetic
peptide derived from human HLA-DQA2: 21-120/255 <Extracellular>
亞 型；IgG
純化方法；affinity purified by Protein A
緩 沖 液；0.01M TBS(pH7.4) with 1% BSA,
0.03% Proclin300 and 50% Glycerol.
保存條件；Shipped at 4℃. Store at -20 °C for one year. Avoid
repeated freeze/thaw cycles.
注意事項(xiàng)；This product as supplied is
intended for research use only, not for use in human, therapeutic or diagnostic
applications.
產(chǎn)品介紹 This gene belongs to the HLA
class II alpha chain family. The encoded protein forms a heterodimer with a
class II beta chain. It is located in intracellular vesicles and plays a
central role in the peptide loading of MHC class II molecules by helping to
release the CLIP molecule from the peptide binding site. Class II molecules are
expressed in antigen presenting cells (B lymphocytes, dendritic cells,
macrophages) and are used to present antigenic peptides on the cell surface to
be recognized by CD4 T-cells. [provided by RefSeq, Jun 2010]
Function:
Binds peptides derived from antigens that access the endocytic route of antigen presenting cells (APC) and presents them on the cell surface for recognition by the CD4 T-cells. The peptide binding cleft accomodates peptides of 10-30 residues. The peptides presented by MHC class II molecules are generated mostly by degradation of proteins that access the endocytic route, where they are processed by lysosomal proteases and other hydrolases. Exogenous antigens that have been endocytosed by the APC are thus readily available for presentation via MHC II molecules, and for this reason this antigen presentation pathway is usually referred to as exogenous. As membrane proteins on their way to degradation in lysosomes as part of their normal turn-over are also contained in the endosomal/lysosomal compartments, exogenous antigens must compete with those derived from endogenous components. Autophagy is also a source of endogenous peptides, autophagosomes constitutively fuse with MHC class
實(shí)驗(yàn)流程：
（1）特異性結(jié)合抗原：抗體本身不能直接溶解或殺傷帶有特異抗原的靶細(xì)胞，通常需要補(bǔ)體或吞噬細(xì)胞等共同發(fā)揮效應(yīng)以清除病原微生物或?qū)е虏±頁(yè)p傷。然而，抗體可通過(guò)與病毒或毒素的特異性結(jié)合，直接發(fā)揮中和病毒的作用。
（2）活補(bǔ)體：IgM、IgG1、IgG2和IgG3可通過(guò)經(jīng)典途徑激活補(bǔ)體，凝聚的IgA、IgG4和IgE可通過(guò)替代途徑激活補(bǔ)體。
（3）結(jié)合細(xì)胞：不同類別的免疫球蛋白，可結(jié)合不同種的細(xì)胞，參與免疫應(yīng)答。
（4）可通過(guò)胎盤及粘膜：免疫球蛋白G（IgG）能通過(guò)胎盤進(jìn)入胎兒血流中，使胎兒形成自然被動(dòng)
免疫。免疫球蛋白A（IgA）可通過(guò)消化道及呼吸道粘膜，是粘膜局部抗感染免疫的主要因素。
（5）具有抗原性：抗體分子是一種蛋白質(zhì)，也具有刺機(jī)體產(chǎn)生免疫應(yīng)答的性能。不同的免疫球蛋白分子，各具有不同的抗原性。
（6）抗體對(duì)理化因子的抵抗力與一般球蛋白相同：不耐熱，60～70℃即被破壞。各種酶及能使蛋白質(zhì)凝固變性的物質(zhì)，均能破壞抗體的作用?？贵w可被中性鹽類沉淀。在生產(chǎn)上?？捎昧蛩徜@或硫酸鈉從免疫血清中沉淀出含有抗體的球蛋白，再經(jīng)透析法將其純化。
抗體的制備過(guò)程：
1.免疫原：普通的大分子蛋白，通過(guò)分子克隆構(gòu)建載體并在大腸桿菌中進(jìn)行誘導(dǎo)表達(dá)獲得重組蛋白，純化鑒定后可直接作為免疫原；小分子蛋白或化合物等分子量小，需要偶聯(lián)載體對(duì)該分子進(jìn)行改造才能使其成為具有免疫原性的抗原，常見偶聯(lián)載體如BSA、OVA、HAS等。
2. 免疫動(dòng)物：常用于制備抗血清的動(dòng)物有豚鼠、家兔、雞、大小鼠等，大量生產(chǎn)時(shí)需要用到狗、綿羊、山羊等。
3. 免疫血清的收集：一般家兔、綿羊、山羊可采用靜動(dòng)脈采血，家兔、豚鼠、大鼠、雞可采用心臟采血，家兔、山羊、綿羊可采用靜脈采血。
4. 免疫血清的純化與鑒定：得到的抗血清需要進(jìn)一步的純化，利用偶聯(lián)了抗原的親和柱進(jìn)行層析，具有高效，特異性強(qiáng)，純度高的特定。接著要鑒定純化蛋白的含量、相對(duì)分子的質(zhì)量、純度以及特異性。
5.組織相容性抗原DQA2抗體免疫血清的保存：抗體一般比較穩(wěn)定，在-80℃ ～-20 ℃可以保存約5年而不會(huì)影響效價(jià)，而真空干燥保存時(shí)間可以更久。保存前需經(jīng)除菌并添加防腐劑。
產(chǎn)品咨詢
聯(lián)系人：銷售部
地址：上海市嘉定區(qū)澄瀏公路52號(hào)盛創(chuàng)企業(yè)
郵箱：[email protected]
手機(jī)：18321818584 / 15026555973歡迎您關(guān)注我們的微信了解更多信息
掃一掃電話
微信掃一掃