Claudin-3

**Definition:** A ubiquitously-expressed claudin subtype that acts as a general barrier-forming protein in TIGHT JUNCTIONS. Elevated expression of claudin-3 is found in a variety of tumor cell types, suggesting its role as a therapeutic target for specific ANTINEOPLASTIC AGENTS.

**Tree numbers:** - D12.776.543.940.200.300

**Synonyms:** - Claudin 3