Cell surface glycoprotein that plays a role in cell adhesion and tumor progression . Intercellular adhesion occurs in a calcium- and fibronectin-independent manner. Mediates homophilic and heterophilic cell adhesion with other carcinoembryonic antigen-related cell adhesion molecules, such as CEACAM5 and CEACAM8 . Heterophilic interaction with CEACAM8 occurs in activated neutrophils . Plays a role in neutrophil adhesion to cytokine-activated endothelial cells . Plays a role as an oncogene by promoting tumor progression; positively regulates cell migration, cell adhesion to endothelial cells and cell invasion . Also involved in the metastatic cascade process by inducing gain resistance to anoikis of pancreatic adenocarcinoma and colorectal carcinoma cells .
Background References
1. Oikawa S et al. Cell adhesion activity of non-specific cross-reacting antigen (NCA) and carcinoembryonic antigen (CEA) expressed on CHO cell surface: homophilic and heterophilic adhesion. Biochem Biophys Res Commun 164:39-45 (1989) .
Sequence Similarity
Belongs to the immunoglobulin superfamily. CEA family.
Tissue Specificity
Expressed in neutrophils. Expressed in columnar epithelial and goblet cells of the colon. Expressed in numerous tumor cell lines (at protein level).
Western blot analysis of CEACAM6 on different lysates with Rabbit anti-CEACAM6 antibody (ER1902-54) at 1/1,000 dilution.
Lane 1: BxPC-3 cell lysate Lane 2: LNCaP cell lysate (negative) Lane 3: LoVo cell lysate
Lysates/proteins at 15 µg/Lane.
Predicted band size: 37 kDa Observed band size: 50-200 kDa
Exposure time: 7 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ER1902-54) at 1/1,000 dilution was used in primary antibody dilution (K1803) at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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