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Immuno-Grade GPR84 Receptor Antibodies

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GPR183 (IHC-grade), Oxysterol Receptor Antibody
GPR183 (IHC-grade), Oxysterol Receptor Antibody
The non-phospho-GPR183 receptor antibody is directed against the distal end of the carboxyl-terminal tail of human GPR183. It also detects GPR183 in cultured cells and tissue sections by immunohistochemistry.
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GPR183 is a receptor for oxysterols. The most potent activator is 7α,25-dihydroxycholesterol (7α,25-OHC), with other oxysterols exhibiting varying affinities for the receptor. Oxysterol gradients drive chemotaxis, attracting the GPR183-expressing cells to locations of high ligand concentration. GPR183 is expressed on the surface of immune cells, namely B cells and T cells. Blocking the synthesis of 7α,25-OHC in vivo with clotrimazole, a CYP7B1 inhibitor, reduced the content of 7α,25-OHC in the mouse spleen and promoted the migration of adoptively transferred pre-activated B cells to the boundary between the T-zone and B-zone in the spleen follicle, mimicking the phenotype of pre-activated B cells from GPR183-deficient mice. Germinal central B cell differentiation is associated with downregulation of GPR183. GPR183-deficient mice show a reduction in the early antibody response to a T-dependent antigen. GPR183-deficient B cells fail to migrate to the outer follicle and instead stay in the follicle centre. This is suggested to position B cells in the correct location for mounting T-dependent antibody responses. GPR183 is induced during Epstein-Barr virus infection. It is also reported that GPR183 was significantly overexpressed in the metastatic sites (subcutis, regional lymph node and brain). For more information on GPR183 pharmacology please refer to the IUPHAR database. For further reading refer to:

Davenport AP, Alexander SP, Sharman JL, Pawson AJ, Benson HE, Monaghan AE, Liew WC, Mpamhanga CP, Bonner TI, Neubig RR, Pin JP, Spedding M, Harmar AJ. International Union of Basic and Clinical Pharmacology. LXXXVIII. G protein-coupled receptor list: recommendations for new pairings with cognate ligands. Pharmacol Rev. 2013 May 17;65(3):967-86. doi: 10.1124/pr.112.007179. PMID: 23686350; PMCID: PMC3698937.

Alexander SP, Battey J, Benson HE, Benya RV, Bonner TI, Davenport AP, Dhanachandra Singh K, Eguchi S, Harmar A, Holliday N, Jensen RT, Karnik S, Kostenis E, Liew WC, Monaghan AE, Mpamhanga C, Neubig R, Pawson AJ, Pin JP, Sharman JL, Spedding M, Spindel E, Stoddart L, Storjohann L, Thomas WG, Tirupula K, Vanderheyden P. Class A Orphans in GtoPdb v.2023.1. IUPHAR/BPS Guide to Pharmacology CITE. 2023; 2023(1). Available from: https://doi.org/10.2218/gtopdb/F16/2023.1.

GPR183 is a receptor for oxysterols. The most potent activator is 7α,25-dihydroxycholesterol (7α,25-OHC), with other oxysterols exhibiting varying affinities for the receptor. Oxysterol gradients... read more »
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Immuno-Grade GPR84 Receptor Antibodies

GPR183 is a receptor for oxysterols. The most potent activator is 7α,25-dihydroxycholesterol (7α,25-OHC), with other oxysterols exhibiting varying affinities for the receptor. Oxysterol gradients drive chemotaxis, attracting the GPR183-expressing cells to locations of high ligand concentration. GPR183 is expressed on the surface of immune cells, namely B cells and T cells. Blocking the synthesis of 7α,25-OHC in vivo with clotrimazole, a CYP7B1 inhibitor, reduced the content of 7α,25-OHC in the mouse spleen and promoted the migration of adoptively transferred pre-activated B cells to the boundary between the T-zone and B-zone in the spleen follicle, mimicking the phenotype of pre-activated B cells from GPR183-deficient mice. Germinal central B cell differentiation is associated with downregulation of GPR183. GPR183-deficient mice show a reduction in the early antibody response to a T-dependent antigen. GPR183-deficient B cells fail to migrate to the outer follicle and instead stay in the follicle centre. This is suggested to position B cells in the correct location for mounting T-dependent antibody responses. GPR183 is induced during Epstein-Barr virus infection. It is also reported that GPR183 was significantly overexpressed in the metastatic sites (subcutis, regional lymph node and brain). For more information on GPR183 pharmacology please refer to the IUPHAR database. For further reading refer to:

Davenport AP, Alexander SP, Sharman JL, Pawson AJ, Benson HE, Monaghan AE, Liew WC, Mpamhanga CP, Bonner TI, Neubig RR, Pin JP, Spedding M, Harmar AJ. International Union of Basic and Clinical Pharmacology. LXXXVIII. G protein-coupled receptor list: recommendations for new pairings with cognate ligands. Pharmacol Rev. 2013 May 17;65(3):967-86. doi: 10.1124/pr.112.007179. PMID: 23686350; PMCID: PMC3698937.

Alexander SP, Battey J, Benson HE, Benya RV, Bonner TI, Davenport AP, Dhanachandra Singh K, Eguchi S, Harmar A, Holliday N, Jensen RT, Karnik S, Kostenis E, Liew WC, Monaghan AE, Mpamhanga C, Neubig R, Pawson AJ, Pin JP, Sharman JL, Spedding M, Spindel E, Stoddart L, Storjohann L, Thomas WG, Tirupula K, Vanderheyden P. Class A Orphans in GtoPdb v.2023.1. IUPHAR/BPS Guide to Pharmacology CITE. 2023; 2023(1). Available from: https://doi.org/10.2218/gtopdb/F16/2023.1.

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