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CCR4

CCR4:Treg细胞上的关键趋化因子受体,有望成为新型肿瘤免疫治疗靶点!

C-C趋化因子受体(C-C chemokine receptor type 4,CCR4),也称为CD194,由包含7次跨膜结构域的多肽链组成,属于G蛋白偶联受体家族。其含360个氨基酸,分子量约为41kD,主要表达于各种淋巴细胞和组织,其配体包括多种趋化因子。作为重要的趋化因子受体,CCR4与其它趋化因子配体产生结合,行使其功能,参与调控人类自身免疫疾病过程,主要包括特应性皮炎、哮喘、皮肤T细胞淋巴瘤。过去,研究人员对趋化因子的认识限于在炎症反应中的趋化作用,然而越来越多的研究显示,趋化因子结合其受体在肿瘤细胞的浸润性生长,远处转移等行为中发挥重要作用。CCR4作为肿瘤转移中关键的趋化因子受体,多项研究已证实,CCR4高表达与血液系统肿瘤以及恶性实体瘤的浸润和预后密切相关,靶向CCR4有望成为恶性肿瘤免疫治疗的新策略。

CUSABIO-哺乳包膜VLPs平台成功开发CCR4全长膜蛋白(7次跨膜),展示了完整生物活性。

Recombinant Human CCR4-VLPs 活性蛋白实验验证数据

High Specificity Validated by Western blot (WB)

CSB-MP004843HU is detected by Mouse anti-6*His monoclonal antibody.

Excellent Bioactivity Validated by Functional ELISA

Immobilized Human CCR4 at 10 μg/ml can bind Anti-CCR4 recombinant antibody (CSB-RA004843MA01HU), the EC50 is 362.3-630.8 ng/mL.

Correct Structure Validated
by TEM

The presence of VLP-like structures was confirmed by TEM.


CCR4 Antibodies

CCR4 for Homo sapiens (Human)

CCR4 Proteins

CCR4 Proteins for Homo sapiens (Human)

CCR4 Proteins for Mus musculus (Mouse)

CCR4 Proteins for Aspergillus clavatus (strain ATCC 1007 / CBS 513.65 / DSM 816 / NCTC 3887 / NRRL 1)

CCR4 Proteins for Neosartorya fischeri (strain ATCC 1020 / DSM 3700 / FGSC A1164 / NRRL 181) (Aspergillus fischerianus)

CCR4 Proteins for Aspergillus niger (strain CBS 513.88 / FGSC A1513)

CCR4 Proteins for Enterocytozoon bieneusi (strain H348) (Microsporidian parasite)

CCR4 Proteins for Nosema ceranae (strain BRL01) (Microsporidian parasite)

CCR4 Proteins for Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)

CCR4 Proteins for Aspergillus terreus (strain NIH 2624 / FGSC A1156)

CCR4 Proteins for Phaeosphaeria nodorum (strain SN15 / ATCC MYA-4574 / FGSC 10173) (Glume blotch fungus) (Septoria nodorum)

CCR4 Proteins for Coccidioides immitis (strain RS) (Valley fever fungus)

CCR4 Proteins for Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold)

CCR4 Proteins for Neosartorya fumigata (strain ATCC MYA-4609 / Af293 / CBS 101355 / FGSC A1100) (Aspergillus fumigatus)

CCR4 Proteins for Candida albicans (strain SC5314 / ATCC MYA-2876) (Yeast)

CCR4 Proteins for Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans)

CCR4 Proteins for Ustilago maydis (strain 521 / FGSC 9021) (Smut fungus)

CCR4 Proteins for Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / JCM 1990 / NBRC 0083 / IGC 2968) (Yeast) (Torulaspora hansenii)

CCR4 Proteins for Yarrowia lipolytica (strain CLIB 122 / E 150) (Yeast) (Candida lipolytica)

CCR4 Proteins for Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica)

CCR4 Proteins for Candida glabrata (strain ATCC 2001 / CBS 138 / JCM 3761 / NBRC 0622 / NRRL Y-65) (Yeast) (Torulopsis glabrata)

CCR4 Proteins for Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056) (Yeast) (Eremothecium gossypii)

CCR4 Proteins for Encephalitozoon cuniculi (strain GB-M1) (Microsporidian parasite)

CCR4 Proteins for Canis familiaris (Dog) (Canis lupus familiaris)

CCR4 Proteins for Arabidopsis thaliana (Mouse-ear cress)

CCR4 Proteins for Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987)