簡要描述:白細(xì)胞介素28受體α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.
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商品屬性:
貨號(hào) | 產(chǎn)品名稱 | 規(guī)格 |
GOY-01K5546 | 白細(xì)胞介素28受體α抗體 | 50ul |
GOY-01K5546 | 白細(xì)胞介素28受體α抗體 | 100ul |
GOY-01K5546 | 白細(xì)胞介素28受體α抗體 | 200ul |
英文名稱: IL28 Receptor alpha
中文名稱: 白細(xì)胞介素28受體α抗體
別 名;Class II cytokine receptor CRF2/12; CRF2-12;
CRF2/12; Cytokine receptor class-II member 12; Cytokine receptor family 2
member 12; IFN lambda R1; IFN-lambda receptor 1; IFNLR; IFNLR1; IL-28 receptor subunit
alpha; il-28r1; IL28R alpha; IL28RA; Interferon lambda receptor; Interferon
lambda receptor 1; interleukin 28 alpha receptor; interleukin 28 receptor A;
Interleukin 28 receptor alpha chain; interleukin 28 receptor, alpha
(interferon, lambda receptor); Interleukin 28 receptor, alpha; interleukin or
cytokine receptor 2; Interleukin-28 receptor subunit alpha; LICR2; Likely
interleukin or cytokine receptor 2.
研究領(lǐng)域;細(xì)胞生物 免疫學(xué) 信號(hào)轉(zhuǎn)導(dǎo)
抗體來源;Rabbit
克隆類型;Polyclonal
交叉反應(yīng); Human, (predicted: Mouse, )
產(chǎn)品應(yīng)用;WB=1:500-2000
ELISA=1:5000-10000
not yet tested in
other applications.
optimal
dilutions/concentrations should be determined by the end user.
理論分子量;56kDa
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 mouse IL28 Receptor alpha: 21-120/520
<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.
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 The protein encoded by this
gene belongs to the class II cytokine receptor family. This protein forms a
receptor complex with interleukine 10 receptor, beta (IL10RB). The receptor
complex has been shown to interact with three closely related cytokines,
including interleukin 28A (IL28A), interleukin 28B (IL28B), and interleukin 29
(IL29). The expression of all three cytokines can be induced by viral
infection. The cells overexpressing this protein have been found to have enhanced
responses to IL28A and IL29, but decreased response to IL28B. Three
alternatively spliced transcript variants encoding distinct isoforms have been
reported. [provided by RefSeq, Jul 2008]
IL28RA is a class II cytokine receptor that interacts with IL10RB to bind IL28A, IL28B, and IL29, which are related to type I interferons. These ligands play a critical role in response to microbial challenge and activate the JAK/STAT signaling system. It heterodimers with IL10RB. There are 4 isoforms as result of alternative splicing. It is widely expressed. IL28RA belongs to the type II cytokine receptor family, and contains 1 fibronectin type III domain.
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p傷。然而,抗體可通過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可通過經(jīng)典途徑激活補(bǔ)體,凝聚的IgA、IgG4和IgE可通過替代途徑激活補(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)可通過胎盤及粘膜:免疫球蛋白G(IgG)能通過胎盤進(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。
抗體的制備過程:
1.免疫原:普通的大分子蛋白,通過分子克隆構(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. 白細(xì)胞介素28受體α抗體免疫血清的收集: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、相對分子的質(zhì)量、純度以及特異性。
5.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。
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