Cell surface adhesion protein CD44 is a ubiquitously expressed type I transmembrane protein that has important functions related to cell-cell adhesion and extracellular matrix interactions. The transmembrane protein is post-translationally modified at multiple sites by glycosylation and phosphorylation. CD44 ligands include hyaluronic acid, collagens, laminins, osteopontin, serglycin, and fibronectin. CD44 has been implicated in inflammatory cell functions as well as in tumor growth and metastasis. CD44 is overexpressed in many types of cancer; the interaction between CD44 and HER2 has been linked to an increase in ovarian carcinoma cell growth. CD44 interacts with ezrin, radixin, and moesin to link the actin cytoskeleton to the plasma membrane and the extracellular matrix. These interactions are critical for CD44 function in cell-cell adhesion and cell motility.
References
Cichy, J., et al. (2003) J Cell Biol. 161(5):839 Goodinson, S., et al. (1999) Mol Path. 52(4):189Tsukita, S., et al. (1994) J Cell Biol. 126(2):391
Western blot analysis of human A549 (lanes 1 & 2) and human MDA-MB-231 (lanes 3 & 4) whole cell lysates under native (lanes 1 & 3) and denatured (lanes 2 & 4) conditions. The blots were probed with mouse monoclonal anti-CD44 (CM0071) at 1:1000 (lanes 1-4).
Immunocytochemical labeling of CD44 in paraformaldehyde fixed human A431 cells. The cells were labeled with mouse monoclonal anti-CD44 (clone M007). The antibody was detected using goat anti-mouse DyLight® 594.
*For more information, see UniProt Accession P16070
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*All molecular weights (MW) are confirmed by comparison to Bio-Rad Rainbow Markers and to western blotmobilities of known proteins with similar MW.
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KIT SUMMARY
ECM Biosciences是一家著名的生物公司，开发新的生物技术的生命科学研究。公司工程与研究机构全球发展创新的工具，以提高研究和治疗相关的神经病理学，癌症，免疫功能障碍和心血管疾病。ECM Biosciences 的科学合作重点在分子组成部分，产生细胞运动的变化，细胞形状，促进细胞运动和细胞结构确定。细胞运动的重要作用在肿瘤细胞迁移，免疫细胞浸润，以及神经和血管修复。各种蛋白质在细胞外机质（ECM）周围细胞信号蛋白在细胞内的细胞骨架，以控制细胞运动 ECM Biosciences 生物利用创新肽和抗体为基础的办法，发展新的工具来检测和操作蛋白质功能的各个方面的细胞运动，如细胞黏附，细胞迁移和细胞信号。
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