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HLA-A

HLA-A,全稱(chēng)為人類(lèi)白細(xì)胞抗原A類(lèi)分子,是人體免疫系統(tǒng)中的關(guān)鍵成分,負(fù)責(zé)識(shí)別和提呈抗原給T細(xì)胞,從而啟動(dòng)免疫應(yīng)答。它屬于MHC-I類(lèi)分子,廣泛表達(dá)于各類(lèi)有核細(xì)胞表面,尤其在淋巴細(xì)胞中表達(dá)量最高。HLA-A蛋白與B2M蛋白結(jié)合形成異二聚體,共同構(gòu)成抗原提呈復(fù)合物,能夠識(shí)別并提呈內(nèi)源性抗原肽給CD8+ T細(xì)胞,引發(fā)細(xì)胞毒性T細(xì)胞的產(chǎn)生,清除感染或異常細(xì)胞。此外,HLA-A蛋白還能與NK細(xì)胞上的KIR結(jié)合,調(diào)節(jié)NK細(xì)胞的殺傷活性。在疾病方面,HLA-A蛋白的多態(tài)性與多種自身免疫性疾病和藥物不良反應(yīng)相關(guān),如銀屑病、類(lèi)風(fēng)濕性關(guān)節(jié)炎等。在藥物研發(fā)領(lǐng)域,HLA-A蛋白被廣泛應(yīng)用于T細(xì)胞免疫治療,如CAR-T和TCR-T療法,通過(guò)改造T細(xì)胞的HLA-A分子,使其能夠特異性識(shí)別腫瘤細(xì)胞,從而實(shí)現(xiàn)精準(zhǔn)治療。

熱銷(xiāo)產(chǎn)品

HLA-A Recombinant Monoclonal Antibody (CSB-RA977288A0HU)

驗(yàn)證數(shù)據(jù)

CSB-RA977288A0HU

Western Blot
Positive WB detected in: A549 whole cell lysate(30μg), HEK293 whole cell lysate(30μg), HepG2 whole cell lysate(30μg), PC-3 whole cell lysate(30μg)
All lanes: HLA-A antibody at 1:1000
Secondary
Goat polyclonal to rabbit IgG at 1/50000 dilution
Predicted band size: 41 kDa
Observed band size: 41 kDa
Exposure time: 2min

CSB-RA977288A0HU

Overlay Peak curve showing jurkat cells stained with CSB-RA977288A0HU (red line) at 1:100. The cells were fixed in 4% formaldehyde and permeated by 0.2% TritonX-100 for?10min. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*106cells) for 45min at 4℃. The secondary antibody used was FITC-conjugated goat anti-rabbit IgG (H+L) at 1/200 dilution for 35min at 4℃.Control antibody (green line) was Rabbit IgG (1ug/1*106cells) used under the same conditions. Acquisition of >10,000 events was performed.

HLA-A Antibodies

HLA-A for Homo sapiens (Human)

HLA-A Proteins

HLA-A Proteins for Homo sapiens (Human)