> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/lpar1-4312f2d6-d5cd-5aa4-9348-47b5a6e2f879
> Record changed: 2026-11-04

# LPAR1

ENSG00000198121

Target class

GPCR

Chromosome

9

Approved drugs

0

Clinical candidates (approved and in development)

1

## Clinical evidence

**Approved drugs**

0

**Clinical candidates (approved and in development)**

1

## Druggability

**Chemical probe available**

Yes

## Names

**Target name**

LPAR1

**Gene name**

Lysophosphatidic acid receptor 1

**Gene symbol**

LPAR1

**Previous gene symbols**

- EDG2

**Protein name**

Lysophosphatidic acid receptor 1 (LPA receptor 1) (LPA-1) (Lysophosphatidic acid receptor Edg-2)

### Other names (6)

- edg-2
- rec.1.3
- vzg-1
- Gpcr26
- Mrec1.3
- LPA1

## Classification

**Gene biotype**

Protein coding

**Gene family**

Lysophosphatidic acid receptors

**Target class**

GPCR

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

51

**Highest tissue expression**

238.85

**Tissue specificity (Gini)**

0.519

**Tissue specificity (tau)**

0.832

## Pathways and interactions

**KEGG gene identifiers**

- hsa:1902

**Protein interaction confidence**

0.903483

**Protein interaction partners**

29

### Reactome pathways (3)

- R-HSA-416476
- R-HSA-418594
- R-HSA-419408

## Genomic location

**End position**

111038863

**Start position**

110871773

**Chromosome**

9

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000198121

**HGNC ID**

HGNC:3166

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:3166)

**NCBI Gene ID**

1902

**UniProt ID**

Q92633

## Cellular location

- Cell surface . Cell membrane
- Multi-pass membrane protein . Endosome . Note=Prior to LPA treatment found predominantly at the cell surface. Internalized after LPA treatment. Colocalizes with RALA in endocytic vesicles after LPA treatment. .

### Publication evidence (4)

- PubMed 19306925  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/19306925/)
- PubMed 25025571  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/25025571/)
- PubMed 26091040  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/26091040/)
- PubMed 9070858  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/9070858/)

## Tissue expression

**Tissue specificity (tau)**

0.832272

**Expression inequality (Gini)**

0.518986

### Highest expression

Expression in transcripts per million

**Brain - Spinal cord (cervical c-1)**

238.85

**Cells - Cultured fibroblasts**

184.2

**Nerve - Tibial**

150.85

**Brain - Substantia nigra**

139.38

**Brain - Hippocampus**

113.83

### All tissues (54)

Expression in transcripts per million

- Brain - Spinal cord (cervical c-1)238.85
- Cells - Cultured fibroblasts184.2
- Nerve - Tibial150.85
- Brain - Substantia nigra139.38
- Brain - Hippocampus113.83
- Brain - Putamen (basal ganglia)112.73
- Brain - Amygdala101.2
- Cervix - Ectocervix92.1
- Artery - Aorta69.13
- Brain - Caudate (basal ganglia)68.13
- Artery - Tibial66.43
- Cervix - Endocervix66.35
- Brain - Hypothalamus61.17
- Vagina49.85
- Adipose - Subcutaneous45.13
- Artery - Coronary43.27
- Bladder43.1
- Brain - Nucleus accumbens (basal ganglia)41.29
- Breast - Mammary Tissue38.48
- Brain - Frontal Cortex (BA9)37.1
- Prostate33.2
- Fallopian Tube32.56
- Colon - Sigmoid31.7
- Esophagus - Gastroesophageal Junction31.58
- Adipose - Visceral (Omentum)31.06

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (6)

- GO:0007186  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007186)
- GO:0007200  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007200)
- GO:0007204  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0007204)
- GO:0043123  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043123)
- GO:0060326  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0060326)
- GO:1902018  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1902018)

### Cellular components (4)

- GO:0005768  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005768)
- GO:0005886  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005886)
- GO:0009986  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0009986)
- GO:0030139  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030139)

### Molecular functions (4)

- GO:0004930  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004930)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0035727  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0035727)
- GO:0070915  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070915)

## Related records

### Trials (125)

- A Double-Blinded Study to Evaluate the Safety, Tolerability, and Efficacy of BMS-986020 Versus Placebo in Diffuse Cutaneous Systemic Sclerosis (dcSSc)
- A Genotype Stratification Study for Pharmacokinetics and Pharmacodynamics of Amitriptyline in Healthy Male Subjects
- A Multicenter Trial to Evaluate the Efficacy, Safety and Tolerability of HZN-825 in Subjects With Idiopathic Pulmonary Fibrosis
- [A Multicenter Trial to Evaluate the Efficacy, Safety, Tolerability and Pharmacokinetics of HZN-825 in Patients With Diffuse Cutaneous Systemic Sclerosis](https://trialight.com/data/trial/a-multicenter-trial-to-evaluate-the-efficacy-safety-1140ef0a-f792-4396-92eb-e445512ceaa2.md)
- A Multidisciplinary, Multimodal Bundled Care Approach to Chronic Pelvic Pain
- A Phase 1 Drug-drug Interaction Study in Healthy Volunteers
- A Study Investigating the Safety, Tolerability, Drug Levels and Drug Effect of BMS-986278 in Healthy Adult Participants (Part 1) and Japanese Participants (Part 2)
- A Study Measuring the Effectiveness, Safety, and Tolerability of BMS-986278 in Participants With Lung Fibrosis
- A Study of Experimental Medication BMS-986278 Given to Healthy Participants
- A Study of Mianserin in Combination With SSRIs in Depression With Sleep Problems
- A Study of the Pharmacokinetic Interaction Between Pirfenidone and BMS-986278 in Healthy Participants
- A Study to Assess the Effect of Food on the Drug Levels of Admilparant
- A Study to Assess the Effect of Multiple Doses of Itraconazole, Gemfibrozil, or Carbamazepine on BMS-986278 in Healthy Participants
- A Study to Assess the Extent of Drug Interaction Between BMS-986278 and Nintedanib, the Relative Bioavailability of BMS-986278 in Tablet and the Effect That Food Has on BMS-986278 in Tablet Formulations in Healthy Participants
- A Study to Assess the Levels in Blood Plasma of BMS-986278 in Healthy Participants Following Administration of Tablets, With or Without Food, and in the Presence of an Antacid (Esomeprazole)
- A Study to Evaluate BMS-986278 in Participants With Normal Renal Function, Severe Renal Impairment, or End-Stage Renal Disease on Intermittent Hemodialysis
- A Study to Evaluate Comparative Bioavailability of BMS-986278 in Healthy Participants
- A Study to Evaluate the Drug Levels, Safety, and Tolerability of BMS-986278 in Healthy Chinese Participants
- A Study to Evaluate the Effect of BMS-986278 on Cardiac Repolarization in Healthy Participants
- [A Study to Evaluate the Efficacy, Safety, and Tolerability of BMS-986278 in Participants With Idiopathic Pulmonary Fibrosis](https://trialight.com/data/trial/a-study-to-evaluate-the-efficacy-safety-and-tolerability-of-385bdd36-bf32-4c87-b1aa-8e375a4007bf.md)

### Drugs (5)

- [Admilparant](https://trialight.com/data/asset/admilparant-c1bef0e8-811f-4442-9156-e70d2959785c.md)
- Amitriptyline
- BMS-986020 Lysophosphatidic acid receptor Edg-2 antagonist
- [Fipaxalparant](https://trialight.com/data/asset/fipaxalparant-54ba7730-fde2-46ea-850d-51fdd6913478.md)
- Mianserin

---

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