> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/il12a-f7e63dfd-cd53-5ed7-ab6b-30bc302a7278
> Record changed: 2026-10-13

# IL12A

ENSG00000168811

Target class

Secreted protein

Chromosome

3

Approved drugs

1

Clinical candidates (approved and in development)

3

## Clinical evidence

**Approved drugs**

1

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

3

## Druggability

**Chemical probe available**

No

## Names

**Target name**

IL12A

**Gene name**

Interleukin 12A

**Gene symbol**

IL12A

**Previous gene symbols**

- NKSF1

**Protein name**

Interleukin-12 subunit alpha (IL-12A) (Cytotoxic lymphocyte maturation factor 35 kDa subunit) (CLMF p35) (IL-12 subunit p35) (NK cell stimulatory factor chain 1) (NKSF1)

### Other names (4)

- CLMF
- IL-12A
- p35
- NFSK

## Classification

**Gene biotype**

Protein coding

**Gene family**

Interleukins

**Target class**

Secreted protein

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

23

**Highest tissue expression**

7.36

**Tissue specificity (Gini)**

0.482

**Tissue specificity (tau)**

0.859

## Pathways and interactions

**KEGG gene identifiers**

- hsa:3592

**Protein interaction confidence**

0.791059

**Protein interaction partners**

17

### Reactome pathways (4)

- R-HSA-6783783
- R-HSA-6785807
- R-HSA-8984722
- R-HSA-9020591

## Genomic location

**End position**

159996019

**Start position**

159988835

**Chromosome**

3

**Strand**

Forward

## Identifiers

**Ensembl gene ID**

ENSG00000168811

**HGNC ID**

HGNC:5969

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:5969)

**NCBI Gene ID**

3592

**UniProt ID**

P29459

## Cellular location

- Secreted .

### Publication evidence (2)

- PubMed 1674604  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/1674604/)
- PubMed 9342359  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/9342359/)

## Tissue expression

**Tissue specificity (tau)**

0.858926

**Expression inequality (Gini)**

0.481781

### Highest expression

Expression in transcripts per million

**Cells - EBV-transformed lymphocytes**

7.36

**Esophagus - Mucosa**

6.58

**Spleen**

3.48

**Lung**

2.93

**Cells - Cultured fibroblasts**

2.9

### All tissues (54)

Expression in transcripts per million

- Cells - EBV-transformed lymphocytes7.36
- Esophagus - Mucosa6.58
- Spleen3.48
- Lung2.93
- Cells - Cultured fibroblasts2.9
- Small Intestine - Terminal Ileum1.91
- Brain - Substantia nigra1.73
- Colon - Sigmoid1.61
- Brain - Amygdala1.55
- Brain - Hippocampus1.42
- Brain - Putamen (basal ganglia)1.38
- Brain - Hypothalamus1.32
- Brain - Spinal cord (cervical c-1)1.32
- Fallopian Tube1.31
- Brain - Anterior cingulate cortex (BA24)1.28
- Colon - Transverse1.26
- Brain - Frontal Cortex (BA9)1.24
- Brain - Cortex1.2
- Brain - Nucleus accumbens (basal ganglia)1.16
- Testis1.09
- Pituitary1.09
- Vagina1.07
- Brain - Caudate (basal ganglia)1.07
- Esophagus - Muscularis0.97
- Esophagus - Gastroesophageal Junction0.94

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (26)

- GO:0001916  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0001916)
- GO:0002860  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0002860)
- GO:0006955  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006955)
- GO:0009615  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0009615)
- GO:0010224  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0010224)
- GO:0016477  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0016477)
- GO:0032496  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032496)
- GO:0032700  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032700)
- GO:0032729  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032729)
- GO:0032816  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032816)
- GO:0032946  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032946)
- GO:0034393  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0034393)
- GO:0035722  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0035722)
- GO:0042531  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0042531)
- GO:0045785  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045785)
- GO:0045954  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045954)
- GO:0048662  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0048662)
- GO:0050671  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0050671)
- GO:0050709  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0050709)
- GO:0050830  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0050830)
- GO:0051135  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0051135)
- GO:0097191  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097191)
- GO:0098586  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0098586)
- GO:1900747  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1900747)
- GO:1903588  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1903588)

And 1 more, listed on the interactive page.

### Cellular components (4)

- GO:0005576  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005576)
- GO:0005788  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005788)
- GO:0031906  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0031906)
- GO:0043514  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043514)

### Molecular functions (6)

- GO:0005125  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005125)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0008083  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0008083)
- GO:0042163  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0042163)
- GO:0045513  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0045513)
- GO:0046982  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0046982)

## Related records

### Trials (248)

- A Clinical Study of AK101 in Subjects With Moderate to Severe Plaque Psoriasis
- A Direct Head-to-head Comparison of Ustekinumab with Infliximab for the Treatment of Ulcerative Colitis
- A Double-blind Study to Compare the Efficacy, Safety, and Immunogenicity of the Proposed Biosimilar Ustekinumab FYB202 to Stelara® in Patients With Moderate-to-Severe Plaque Psoriasis
- A Long-term Extension Study of Ustekinumab in Pediatric Participants
- A Multicenter Phase 2 Single-arm Proof-of-concept Trial to Assess the Efficacy and Safety of Ustekinumab in Association With Prednisone for the Treatment of Non-infectious Severe Uveitis (NISU)
- A Multicentered Prospective Cohort Study of Chinese IBD Patients
- A Pharmacokinetic Study Comparing EG12014 and Herceptin (Trastuzumab) in Healthy Male Volunteers
- A Pharmacokinetic Study of Single-Dose Intravenous Ustekinumab Delivered in 2 Different Liquid in Vial Formulations
- A Pharmacokinetic Study of Ustekinumab in Pediatric Subjects With Moderately to Severely Active Crohn's Disease
- A Phase 2a, Efficacy and Safety Study of Ustekinumab in Systemic Lupus Erythematosus
- A Phase 3 Study of Efficacy and Safety of AK101 in Subjects With Psoriasis
- A Phase 3 Trial to Look at the Safety and Effectiveness of Ustekinumab in Korean and Taiwanese Subjects With Moderate to Severe Plaque-type Psoriasis
- A Phase I Study to Compare Abcertin and EU-sourced Cerezyme® in Healthy Volunteers
- A Proof of Concept Study to Evaluate the Effectiveness of Ustekinumab in Hidradenitis Suppurativa
- A QT/QTc Evaluation Study of TS-172 in Healthy Adult Subjects
- A Randomized Phase 3 Study to Evaluate Two Formulations of Romosozumab in Postmenopausal Women With Osteoporosis
- A Retrospective Observational Study of Ustekinumab Among Bio-naive Participants With Crohn's Disease in China
- A Safety and Effectiveness Study of CNTO 1275 in Patients With Moderate to Severe Plaque-type Psoriasis
- A Safety and Efficacy Study of CNTO1275 in Patients With Multiple Sclerosis
- A Safety and Efficacy Study of Ustekinumab in Patients With Plaque Psoriasis Who Have Had an Inadequate Response to Methotrexate

### Drugs (3)

- Briakinumab Interleukin-12 inhibitor
- Ebdarokimab Interleukin-12 inhibitor
- [Ustekinumab](https://trialight.com/data/asset/ustekinumab-323cb2e2-e906-4997-ac57-d82c7f7c399d.md) Interleukin-12 inhibitor

---

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