Claudin-34 (CLDN34)

Claudin-34 (CLDN34) is a putative member of the claudin protein family, which are small (21–34 kDa) integral membrane proteins serving as crucial components of tight junctions that regulate barrier function, paracellular transport, and cellular signaling[1][2][5]. While the claudin family is widely studied for roles in tissue permeability, signaling, and disease, CLDN34 is not mentioned in current major reviews, clinical studies, or functional research, and its existence is limited to sequence predictions without confirmed protein structure or physiological role. Therefore, information about CLDN34 is highly limited and it is not considered a validated therapeutic target or biomarker at this time. Key points: - CLDN34's gene and predicted sequence may appear in genomic databases, but it is not discussed in tight junction or claudin family literature[1][5]. - No studies provide experimental characterization, disease relevance, or therapeutic targeting of CLDN34. - The naming and assignment of CLDN34 may reflect an annotation artifact or a reference sequence, not a well-defined, functional protein. Summary: CLDN34 is listed as a potential claudin protein by gene/protein annotation, but there is no authoritative biochemical, functional, or therapeutic data to support its existence or role as a biological or drug target. This entry is likely incomplete or incorrect based on current translational and clinical science literature.

Other names

Claudin-34CLDN34claudin-34