Top ▲


Click here for help

Target not currently curated in GtoImmuPdb

Target id: 207

Nomenclature: ADGRL2

Family: Adhesion Class GPCRs

Gene and Protein Information Click here for help
Adhesion G protein-coupled receptor
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 7 1459 1p31.1 ADGRL2 adhesion G protein-coupled receptor L2
Mouse 7 1487 3 H3 Adgrl2 adhesion G protein-coupled receptor L2
Rat 7 1487 2q45 Adgrl2 adhesion G protein-coupled receptor L2
Previous and Unofficial Names Click here for help
LPHN2 (latrophilin 2) | LPHH1 (latrophilin homologue in humans 1) | LEC1 (lectomedin-1) | CIRL2 (calcium-independent receptor of alpha-latrotoxin 2)
Database Links Click here for help
Specialist databases
GPCRdb agrl2_human (Hs), agrl2_rat (Rn)
Other databases
Ensembl Gene
Entrez Gene
Human Protein Atlas
RefSeq Nucleotide
RefSeq Protein
Associated Protein Comments
Extracellular and transmembrane interactors: FLRT-3 [12], teneurin-2 [9].

Download all structure-activity data for this target as a CSV file go icon to follow link

Key to terms and symbols Click column headers to sort
Ligand Sp. Action Value Parameter Reference
α-latrotoxin Peptide Click here for species-specific activity table Rn Full agonist 8.9 pKd 8
pKd 8.9 (Kd 1.4x10-9 M) [8]
Tissue Distribution Click here for help
Expressed in all tissues tested. High expression in placenta, lung and heart. Not detected in blood cells
Species:  Human
Technique:  Northern blot
References:  8,14-15
Expressed in all tissues tested. Highest expression in lung and hypothalamus. Low expression in liver
Species:  Mouse
Technique:  RT-PCR
References:  7,13
Expressed in all tissues tested. Highest expression in liver
Species:  Rat
Technique:  Northern blot and RT-PCR
References:  7,10
Detectable in all tissues tested. High expression in brain
Species:  Rat
Technique:  Western blot
References:  8
Expression Datasets Click here for help

Show »

Log average relative transcript abundance in mouse tissues measured by qPCR from Regard, J.B., Sato, I.T., and Coughlin, S.R. (2008). Anatomical profiling of G protein-coupled receptor expression. Cell, 135(3): 561-71. [PMID:18984166] [Raw data: website]

There should be a chart of expression data here, you may need to enable JavaScript!
Xenobiotics Influencing Gene Expression Click here for help
Bisphenol A increases the expression of ADGRL2 mRNA
Species:  Rat
Tissue:  Uterus and ovary
Technique:  Microarray
References:  11
Acetaminophen alters ADGRL2 mRNA expression
Species:  Mouse
Tissue:  Liver
Technique:  Toxicogenetics
References:  1
Dietary fats increase the expression of ADGRL2 mRNA
Species:  Mouse
Tissue:  Skeletal muscle
Technique:  Transcriptomics combined with protein and lipid analysis
References:  3
Expression of ADGRL2 mRNA correlates with cancer cells' resistance to anticancer drugs 5-fluorouracil and methotrexate
Species:  Human
Tissue:  Cancer cell lines
Technique:  Microarray
References:  6
Bis-(2-chloroethyl) sulfide (mustard gas) decreases the expression of ADGRL2 mRNA
Species:  Human
Tissue:  Lung
Technique:  Microarray
References:  5
Intragastric infusion with ethanol decreases the expression of ADGRL2 mRNA
Species:  Rat
Tissue:  Liver
Technique:  cDNA microarray
References:  4
Gene Expression and Pathophysiology Comments
ADGRL2 mRNA is dysregulated (up or down) in various cancers [15]. More information on the dysregulation of ADGRL2 in cancer can be found on the NCBI Geoprofiles database (
General Comments
ADGRL2 (formerly LPHN2, latrophilin 2) is an orphan receptor that belongs to Family I Adhesion-GPCRs along with ADGRL1 (latrophilin 1), ADGRL3 (latrophilin 3) and ADGRL4 (ELTD1) [2]. Family I Adhesion-GPCRs have orthologs in vertebrate and invertebrate species.


Show »

1. Beyer RP, Fry RC, Lasarev MR, McConnachie LA, Meira LB, Palmer VS, Powell CL, Ross PK, Bammler TK, Bradford BU et al.. (2007) Multicenter study of acetaminophen hepatotoxicity reveals the importance of biological endpoints in genomic analyses. Toxicol Sci, 99 (1): 326-37. [PMID:17562736]

2. Bjarnadóttir TK, Fredriksson R, Höglund PJ, Gloriam DE, Lagerström MC, Schiöth HB. (2004) The human and mouse repertoire of the adhesion family of G-protein-coupled receptors. Genomics, 84 (1): 23-33. [PMID:15203201]

3. de Wilde J, Mohren R, van den Berg S, Boekschoten M, Dijk KW, de Groot P, Müller M, Mariman E, Smit E. (2008) Short-term high fat-feeding results in morphological and metabolic adaptations in the skeletal muscle of C57BL/6J mice. Physiol Genomics, 32 (3): 360-9. [PMID:18042831]

4. Deaciuc IV, Arteel GE, Peng X, Hill DB, McClain CJ. (2004) Gene expression in the liver of rats fed alcohol by means of intragastric infusion. Alcohol, 33 (1): 17-30. [PMID:15353170]

5. Dillman 3rd JF, Phillips CS, Dorsch LM, Croxton MD, Hege AI, Sylvester AJ, Moran TS, Sciuto AM. (2005) Genomic analysis of rodent pulmonary tissue following bis-(2-chloroethyl) sulfide exposure. Chem Res Toxicol, 18 (1): 28-34. [PMID:15651846]

6. Györffy B, Surowiak P, Kiesslich O, Denkert C, Schäfer R, Dietel M, Lage H. (2006) Gene expression profiling of 30 cancer cell lines predicts resistance towards 11 anticancer drugs at clinically achieved concentrations. Int J Cancer, 118 (7): 1699-712. [PMID:16217747]

7. Haitina T, Olsson F, Stephansson O, Alsiö J, Roman E, Ebendal T, Schiöth HB, Fredriksson R. (2008) Expression profile of the entire family of Adhesion G protein-coupled receptors in mouse and rat. BMC Neurosci, 9: 43. [PMID:18445277]

8. Ichtchenko K, Bittner MA, Krasnoperov V, Little AR, Chepurny O, Holz RW, Petrenko AG. (1999) A novel ubiquitously expressed alpha-latrotoxin receptor is a member of the CIRL family of G-protein-coupled receptors. J Biol Chem, 274 (9): 5491-8. [PMID:10026162]

9. Jackson VA, Meijer DH, Carrasquero M, van Bezouwen LS, Lowe ED, Kleanthous C, Janssen BJC, Seiradake E. (2018) Structures of Teneurin adhesion receptors reveal an ancient fold for cell-cell interaction. Nat Commun, 9 (1): 1079. [PMID:29540701]

10. Matsushita H, Lelianova VG, Ushkaryov YA. (1999) The latrophilin family: multiply spliced G protein-coupled receptors with differential tissue distribution. FEBS Lett, 443 (3): 348-52. [PMID:10025961]

11. Naciff JM, Jump ML, Torontali SM, Carr GJ, Tiesman JP, Overmann GJ, Daston GP. (2002) Gene expression profile induced by 17alpha-ethynyl estradiol, bisphenol A, and genistein in the developing female reproductive system of the rat. Toxicol Sci, 68 (1): 184-99. [PMID:12075121]

12. O'Sullivan ML, de Wit J, Savas JN, Comoletti D, Otto-Hitt S, Yates 3rd JR, Ghosh A. (2012) FLRT proteins are endogenous latrophilin ligands and regulate excitatory synapse development. Neuron, 73 (5): 903-10. [PMID:22405201]

13. Regard JB, Sato IT, Coughlin SR. (2008) Anatomical profiling of G protein-coupled receptor expression. Cell, 135 (3): 561-71. [PMID:18984166]

14. Sugita S, Ichtchenko K, Khvotchev M, Südhof TC. (1998) alpha-Latrotoxin receptor CIRL/latrophilin 1 (CL1) defines an unusual family of ubiquitous G-protein-linked receptors. G-protein coupling not required for triggering exocytosis. J Biol Chem, 273 (49): 32715-24. [PMID:9830014]

15. White GR, Varley JM, Heighway J. (1998) Isolation and characterization of a human homologue of the latrophilin gene from a region of 1p31.1 implicated in breast cancer. Oncogene, 17 (26): 3513-9. [PMID:10030676]


Show »

How to cite this page