Calcium modulating ligand

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External IDs	GeneCards: [1]
Orthologs
Species	Human	Mouse
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View/Edit Human

Calcium modulating ligand (CAMLG or CAML), also known as calcium-modulating cyclophilin ligand, is a signalling protein recognized by the TNF receptor TACI.

Function

The immunosuppressant drug cyclosporin A blocks a calcium-dependent signal from the T-cell receptor (TCR) that normally leads to T-cell activation. When bound to cyclophilin B, cyclosporin A binds and inactivates the key signaling intermediate calcineurin. The protein encoded by this gene functions similarly to cyclosporin A, binding to cyclophilin B and acting downstream of the TCR and upstream of calcineurin by causing an influx of calcium. This integral membrane protein appears to be a new participant in the calcium signal transduction pathway, implicating cyclophilin B in calcium signaling, even in the absence of cyclosporin.

Interactions

CAMLG has been shown to interact with TNFRSF13B.

Further reading

• Bram RJ, Crabtree GR (1994). "Calcium signalling in T cells stimulated by a cyclophilin B-binding protein". Nature. 371 (6495): 355–8. doi:10.1038/371355a0. PMID 7522304.
• von Bülow GU, Bram RJ (1997). "NF-AT activation induced by a CAML-interacting member of the tumor necrosis factor receptor superfamily". Science. 278 (5335): 138–41. doi:10.1126/science.278.5335.138. PMID 9311921.
• Holloway MP, Bram RJ (1998). "Co-localization of calcium-modulating cyclophilin ligand with intracellular calcium pools". J. Biol. Chem. 273 (26): 16346–50. doi:10.1074/jbc.273.26.16346. PMID 9632697.
• Tovey SC, Bootman MD, Lipp P, Berridge MJ, Bram RJ (2000). "Calcium-modulating cyclophilin ligand desensitizes hormone-evoked calcium release". Biochem. Biophys. Res. Commun. 276 (1): 97–100. doi:10.1006/bbrc.2000.3442. PMID 11006089.
• Larramendy ML, Niini T, Elonen E, Nagy B, Ollila J, Vihinen M, Knuutila S (2003). "Overexpression of translocation-associated fusion genes of FGFRI, MYC, NPMI, and DEK, but absence of the translocations in acute myeloid leukemia. A microarray analysis". Haematologica. 87 (6): 569–77. PMID 12031912.
• Feng P, Park J, Lee BS, Lee SH, Bram RJ, Jung JU (2002). "Kaposi's sarcoma-associated herpesvirus mitochondrial K7 protein targets a cellular calcium-modulating cyclophilin ligand to modulate intracellular calcium concentration and inhibit apoptosis". J. Virol. 76 (22): 11491–504. doi:10.1128/JVI.76.22.11491-11504.2002. PMC 136794. PMID 12388711.
• Tran DD, Russell HR, Sutor SL, van Deursen J, Bram RJ (2003). "CAML is required for efficient EGF receptor recycling". Dev. Cell. 5 (2): 245–56. doi:10.1016/S1534-5807(03)00207-7. PMID 12919676.
• Kumar R, Lutz W, Frank E, Im HJ (2004). "Immediate early gene X-1 interacts with proteins that modulate apoptosis". Biochem. Biophys. Res. Commun. 323 (4): 1293–8. doi:10.1016/j.bbrc.2004.09.006. PMC 2895269. PMID 15451437.
• Guo S, Lopez-Ilasaca M, Dzau VJ (2005). "Identification of calcium-modulating cyclophilin ligand (CAML) as transducer of angiotensin II-mediated nuclear factor of activated T cells (NFAT) activation". J. Biol. Chem. 280 (13): 12536–41. doi:10.1074/jbc.M500296200. PMID 15668245.
• Nagano J, Kitamura K, Hujer KM, Ward CJ, Bram RJ, Hopfer U, Tomita K, Huang C, Miller RT (2006). "Fibrocystin interacts with CAML, a protein involved in Ca2+ signaling". Biochem. Biophys. Res. Commun. 338 (2): 880–9. doi:10.1016/j.bbrc.2005.10.022. PMID 16243292.