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Your Good Partner in Biology Research

CCR3

CCR3(C-C趨化因子受體3)是一種主要分布于嗜酸性粒細胞、嗜堿性粒細胞及Th2細胞的G蛋白偶聯受體,也被稱為CD193。該蛋白通過與Eotaxin等趨化因子結合,調控免疫細胞向炎癥部位遷移,尤其在過敏性疾病中扮演核心角色。研究發現,其在哮喘患者的呼吸道、過敏性鼻炎鼻黏膜及特應性皮炎皮損部位異常活躍,與嗜酸性粒細胞浸潤直接相關。近年還發現某些實體瘤微環境中CCR3高表達,可能參與腫瘤免疫逃逸,例如結腸癌中CCR3信號可能促進血管生成。

針對CCR3的藥物研發曾聚焦于小分子拮抗劑,如GSK766994等早期候選藥物在臨床試驗中因療效不足或脫靶效應未能突破。目前策略轉向聯合療法,例如將CCR3抑制劑與抗IgE抗體奧馬珠單抗聯用,或開發雙功能抗體同時阻斷CCR3與IL-5通路。2022年跨國藥企公布的臨床前數據顯示,新型變構抑制劑可選擇性抑制嗜酸性粒細胞遷移而不影響其他免疫細胞,為減少副作用提供新方向。但該靶點成藥性挑戰仍存,需進一步驗證其在復雜炎癥網絡中的調控機制。

熱銷產品

CCR3 Antibody (CSB-PA004842LA01HU)

驗證數據

CSB-PA004842LA01HU

Western Blot
Positive WB detected in: Mouse liver tissue
All lanes: CCR3 antibody at 3μg/ml
Secondary
Goat polyclonal to rabbit IgG at 1/50000 dilution
predicted band size: 42, 44 kDa
observed band size: 42 kDa

CSB-PA004842LA01HU

Immunohistochemistry of paraffin-embedded human liver tissue using CSB-PA004842LA01HU at dilution of 1:100

CSB-PA004842LA01HU

Immunofluorescent analysis of A549 cells using CSB-PA004842LA01HU at dilution of 1:100 and Alexa Fluor 488-congugated AffiniPure Goat Anti-Rabbit IgG(H+L)

CCR3 Antibodies

CCR3 for Homo sapiens (Human)

CCR3 Proteins

CCR3 Proteins for Homo sapiens (Human)

CCR3 Proteins for Mus musculus (Mouse)

CCR3 Proteins for Macaca mulatta (Rhesus macaque)

CCR3 Proteins for Rattus norvegicus (Rat)

CCR3 Proteins for Chlorocebus aethiops (Green monkey) (Cercopithecus aethiops)

CCR3 Proteins for Canis familiaris (Dog) (Canis lupus familiaris)

CCR3 Proteins for Macaca fascicularis (Crab-eating macaque) (Cynomolgus monkey)

CCR3 Proteins for Arabidopsis thaliana (Mouse-ear cress)