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KLRK1

NKG2D蛋白(又稱為CD314)由KLRK1基因編碼,是一種人類天然殺傷細胞,在天然免疫中發(fā)揮著重要的作用。NKG2D作為一種活性受體,NKG2D可以在人類和小鼠的NK細胞、CD8+T細胞和其他免疫活性細胞中表達,但在CD4+T細胞中通常不表達。與其他NKG2受體不同,NKG2D擁有多種配體,包括人類MHC-I類鏈相關(guān)分子(MICA和MICB)和人類UL16結(jié)合蛋白(ULBPs,也稱為人類RAET1)。NKG2D及其配體(NKG2D/NKG2DL)可以介導免疫細胞的腫瘤殺傷作用。NKX101是Nkarta所研發(fā)的第一個靶向NKG2D的“通用型”CAR-NK細胞療法。用于治療復發(fā)/難治性急性髓細胞白血病(AML)或高危骨髓增生異常綜合征(MDS)。目前以NKG2D為靶點的在研藥物/療法主要集中在臨床早期,作用機制以CAR-T/CAR-NK為主,適應(yīng)癥以血液瘤為主。除此之外CAR-NK療法不需要以患者的自體免疫細胞作為來源、治療成本更低等優(yōu)勢可能使它成為CAR-T療法的一大競爭對手。

Recombinant Human KLRK1 活性蛋白實驗驗證數(shù)據(jù)

High Purity Validated by
SDS-PAGE

(Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

Excellent Bioactivity Validated by Functional ELISA

Measured by its binding ability in a functional ELISA. Immobilized KLRK1 at 10 μg/ml can bind human Biotinylated ULBP1(CSB-MP887177HUj1-B), the EC50 is 4.254-7.295 ng/ml.

Excellent Bioactivity Validated by LSPR Assay

Human KLRK1 protein Fc tag (CSB-MP012474HU1) captured on COOH chip can bind Human ULBP1 protein Fc/myc tag (CSB-MP887177HU) with an affinity constant of 2.27 nM as detected by LSPR Assay.


KLRK1 Antibodies

KLRK1 for Homo sapiens (Human)

KLRK1 Proteins

KLRK1 Proteins for Homo sapiens (Human)

KLRK1 Proteins for Mus musculus (Mouse)

KLRK1 Proteins for Rattus norvegicus (Rat)

KLRK1 Proteins for Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey)

KLRK1 Proteins for Pongo pygmaeus (Bornean orangutan)

KLRK1 Proteins for Macaca mulatta (Rhesus macaque)

KLRK1 Proteins for Sus scrofa (Pig)

KLRK1 Proteins for Pan troglodytes (Chimpanzee)



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