> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/thra-794e5b29-0985-5208-bfb5-40a8ff0430b7
> Record changed: 2026-10-13

# THRA

ENSG00000126351

Target class

Nuclear receptor

Chromosome

17

Approved drugs

5

Clinical candidates (approved and in development)

6

## Clinical evidence

**Approved drugs**

5

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

6

## Druggability

**Chemical probe available**

No

## Names

**Target name**

THRA

**Gene name**

Thyroid hormone receptor alpha

**Gene symbol**

THRA

**Protein name**

Thyroid hormone receptor alpha (Nuclear receptor subfamily 1 group A member 1) (V-erbA-related protein 7) (EAR-7) (c-erbA-1) (c-erbA-alpha)

### Other names (13)

- EAR-7.1/EAR-7.2
- THRA3
- AR7
- ERBA
- NR1A1
- TRalpha
- TRalpha1
- TRalpha2
- c-ERBA-1
- c-erbA
- THRalpha
- THRalpha1
- THRalpha2

### Previous gene symbols (3)

- THRA1
- THRA2
- ERBA1

## Classification

**Gene biotype**

Protein coding

**Gene family**

Thyroid hormone receptors

**Target class**

Nuclear receptor

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

54

**Protein localisation evidence grade**

Uncertain

**Highest tissue expression**

172.85

**Tissue specificity (Gini)**

0.371

**Tissue specificity (tau)**

0.715

## Pathways and interactions

**KEGG gene identifiers**

- hsa:7067

**Reactome pathways**

- R-HSA-383280

**Protein interaction confidence**

0.870793

**Protein interaction partners**

29

## Genomic location

**End position**

40093867

**Start position**

40058290

**Chromosome**

17

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000126351

**HGNC ID**

HGNC:11796

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:11796)

**NCBI Gene ID**

7067

**UniProt ID**

P10827

## Cellular location

- Nucleus.
- SUBCELLULAR LOCATION: \[Isoform Alpha-2\]: Cytoplasm . Nucleus . Note=When overexpressed found in the cytoplasm where it colocalizes with TACC1\. .

## Tissue expression

**Tissue specificity (tau)**

0.715442

**Expression inequality (Gini)**

0.371082

### Highest expression

Expression in transcripts per million

**Brain - Nucleus accumbens (basal ganglia)**

172.85

**Brain - Cerebellar Hemisphere**

144.48

**Brain - Cerebellum**

126.29

**Brain - Caudate (basal ganglia)**

110.37

**Brain - Anterior cingulate cortex (BA24)**

109.66

### All tissues (54)

Expression in transcripts per million

- Brain - Nucleus accumbens (basal ganglia)172.85
- Brain - Cerebellar Hemisphere144.48
- Brain - Cerebellum126.29
- Brain - Caudate (basal ganglia)110.37
- Brain - Anterior cingulate cortex (BA24)109.66
- Brain - Frontal Cortex (BA9)103.82
- Brain - Cortex94.77
- Brain - Amygdala92.99
- Brain - Hypothalamus78.25
- Brain - Putamen (basal ganglia)74.6
- Artery - Tibial72.67
- Cervix - Ectocervix71.27
- Ovary68.53
- Brain - Hippocampus67.53
- Colon - Sigmoid65.76
- Cervix - Endocervix65.73
- Brain - Spinal cord (cervical c-1)65.36
- Uterus65.17
- Brain - Substantia nigra58.58
- Fallopian Tube57.7
- Artery - Aorta55.18
- Esophagus - Gastroesophageal Junction53.28
- Nerve - Tibial53.1
- Esophagus - Muscularis50.54
- Artery - Coronary48.58

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (6)

- GO:0006357  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006357)
- GO:0006366  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006366)
- GO:0009755  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0009755)
- GO:0017055  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0017055)
- GO:0045892  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045892)
- GO:2000143  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:2000143)

### Cellular components (3)

- GO:0005634  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005634)
- GO:0005654  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005654)
- GO:0005829  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005829)

### Molecular functions (8)

- GO:0000976  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0000976)
- GO:0003700  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0003700)
- GO:0004879  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0004879)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0017025  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0017025)
- GO:0019904  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0019904)
- GO:0070324  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070324)
- GO:0140296  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0140296)

## Off-target safety

- receptor binding  
### Studies

  - biochemical: NVS\_NR\_hTRa\_Antagonist, is one of one assay component(s) measured or calculated from the NVS\_NR\_hTRa\_Antagonist assay. It is designed to make measurements of enzyme-linked immunosorbent assay, a form of binding reporter, as detected with chemiluminescence signals by AlphaLISA immunoassay technology.  
### Biological samples

  - cell-free  
Evidence source  
Source: [www.epa.gov](https://www.epa.gov/chemical-research/exploring-toxcast-data-downloadable-data)
- regulation of transcription factor activity  
### Studies (2)

  - cell-based: ATG\_THRa1\_TRANS, is one of 30 assay component(s) measured or calculated from the ATG\_TRANS assay. It is designed to make measurements of mRNA induction, a form of inducible reporter, as detected with fluorescence intensity signals by Reverse transcription polymerase chain reaction (RT-PCR) and Capillary electrophoresis technology.
  - cell-based: ATG\_THRa1\_TRANS, is one of 30 assay component(s) measured or calculated from the ATG\_TRANS assay. It is designed to make measurements of mRNA induction, a form of inducible reporter, as detected with fluorescence intensity signals by Reverse transcription polymerase chain reaction (RT-PCR) and Capillary electrophoresis technology.  
### Biological samples

  - HepG2, cell line  
Evidence source  
Source: [www.epa.gov](https://www.epa.gov/chemical-research/exploring-toxcast-data-downloadable-data)

## Related records

### Trials (200)

- 131I-Omburtamab, in Recurrent Medulloblastoma and Ependymoma
- A Clinical Trial of Adjunctive Thyroxine for Avolition in Schizophrenia
- A Phase II Trial of Valproic Acid in Patients With Advanced Thyroid Cancers of Follicular Cell Origin
- A Pilot Feasibility Trial of Thyroid Hormone Replacement in Dialysis Patients
- A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients
- [A Study Evaluating the Safety and Efficacy of Hormone Replacement Therapy With ST-1891 Compared to Levothyroxine in Patients With Primary Hypothyroidism](https://trialight.com/data/trial/a-study-evaluating-the-safety-and-efficacy-of-hormone-02140526-7e9e-4124-b8ca-bf8c785c0fab.md)
- [A Study Evaluation the Safety and Efficacy of Hormone Replacement Therapy With North Star Compared to Levothyroxine in Patients With Primary Hypothyroidism](https://trialight.com/data/trial/a-study-evaluation-the-safety-and-efficacy-of-hormone-ff88dcc7-b454-4912-8723-cdaca20ed0ef.md)
- A Study in Healthy Male Volunteers to Investigate the Safety and Tolerability of a Single Dose of Neosaxitoxin Alone and in Combination With Bupivacaine (With and Without Epinephrine) for Brachial Plexus Blockade
- A Study in Healthy Men That Tests if Taking BI 1265162 by Mouth, Intravenously, or Inhaled Influences the Amount of BI 1265162 in the Blood
- A Study of Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants
- A Study of Levothyroxine and Enlicitide Decanoate (MK-0616) in Healthy Adult Participants (MK-0616-028)
- A Study of Sustained-Release Liothyronine Sodium (T3) in Healthy Subjects
- A Study of T3 Therapy in Patients With Hypothyroidism
- [A Study to Assess the Safety and Efficacy of Oral Armour Thyroid Compared to Synthetic T4 for the Treatment of Primary Hypothyroidism in Adult Participants](https://trialight.com/data/trial/a-study-to-assess-the-safety-and-efficacy-of-oral-armour-7d3645f2-766a-449b-9d76-575c4384a231.md)
- A Trial Investigating the Influence of Oral Semaglutide on the Pharmacokinetics of Levothyroxine and the Influence of Co-administered Tablets on the Pharmacokinetics of Semaglutide Administered Orally in Healthy Subjects.
- Acceleration and Relapse Prevention With Triiodothyronine (T3) as an Adjunct to Electroconvulsive Therapy (ECT)
- Antithyroid Drug Treatment of Thyrotoxicosis in Young People
- Augmentation of the Antidepressant Action of Sertraline With Triiodothyronine (T3)and Reboxetine: Clinical Efficacy, Adverse Effects and Predictors of Response.
- Azacitidine to Restore Thyroid Function in Patients With Persistent or Metastatic Thyroid Cancer
- BE of Euthyrox® Tablets (Merck Nantong Versus Merck Darmstadt Sites)

### Drugs (7)

- Dextrothyroxine Thyroid hormone receptor agonist
- Dextrothyroxine sodium Thyroid hormone receptor agonist
- Levothyroxine Thyroid hormone receptor agonist
- [Levothyroxine sodium](https://trialight.com/data/asset/levothyroxine-sodium-748a279d-1239-41f1-b758-863bd96e359b.md) Thyroid hormone receptor agonist
- Liothyronine Thyroid hormone receptor agonist
- Liothyronine sodium Thyroid hormone receptor agonist
- Tiratricol Thyroid hormone receptor agonist

---

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