Leucine-rich repeat-containing protein 70 (LRRC70)

Leucine-rich repeat-containing protein 70 (LRRC70) is a human protein encoded by the LRRC70 gene, located on chromosome 5q12.1[4][10]. It belongs to the large family of leucine-rich repeat (LRR) proteins, which are commonly involved in diverse cellular processes, including innate immunity, cell signaling, and structural roles. LRRC70 renders cells more sensitive to activation by cytokines and lipopolysaccharide (LPS), suggesting a role—possibly indirect—in immune regulation[1][7]. However, unlike other well-characterized LRR proteins, LRRC70 lacks definitive functional annotation, identifiable non-LRR domains, and a clear mechanistic or disease linkage[2][5]. It is mainly classified as a leucine-rich repeat family protein and not as a receptor, enzyme, transporter, or transcription factor. The protein has low tissue specificity and is currently not recognized as a therapeutic target or clinical biomarker[3][7]. Most functions and disease associations remain speculative, inferred from protein family similarity or gene coexpression, rather than direct experimental evidence.

Other names

SLRNSynleurinLOC100130733UNQ1891/PRO4337Leucine rich repeat containing 70LRRC70Leucine-rich repeat-containing protein 70synleurin

None known (no mechanism described for drugs targeting LRRC70, as it is not an established drug target)