Page last updated: 2024-12-06

1,2,7,8-tetrachlorodibenzo-p-dioxin

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

## 1,2,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)

**What it is:**

1,2,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is a highly toxic and persistent organic pollutant. It is a dioxin, which is a family of chemical compounds characterized by a specific structure with two benzene rings connected by two oxygen atoms. TCDD is specifically known as the most toxic dioxin congener, meaning it is the most toxic form of dioxin.

**Why it is important for research:**

TCDD is important for research due to its **extreme toxicity and impact on human health:**

* **Carcinogen:** TCDD is a potent carcinogen, meaning it can cause cancer. Studies have linked TCDD exposure to various cancers, including liver, lung, and skin cancers.
* **Endocrine disruptor:** It interferes with the endocrine system, which regulates hormone production and function. This can lead to developmental problems, reproductive issues, and metabolic disorders.
* **Immunotoxicant:** TCDD weakens the immune system, making individuals more susceptible to infections and diseases.
* **Developmental toxicity:** Exposure during pregnancy can lead to developmental problems in the offspring, including birth defects and developmental delays.

**Research focus:**

* **Mechanism of action:** Researchers are studying how TCDD interacts with biological systems to understand its toxic effects at the molecular level. This knowledge is crucial for developing effective prevention and treatment strategies.
* **Exposure assessment:** Scientists are working to develop reliable methods for measuring TCDD exposure in the environment and in human populations. This information is vital for identifying sources of contamination and assessing public health risks.
* **Bioremediation:** Research is ongoing to develop technologies for cleaning up TCDD-contaminated sites and preventing further contamination.
* **Toxicity testing:** Researchers are developing new methods for evaluating the toxicity of other chemicals based on their structural similarity to TCDD. This is crucial for ensuring the safety of new chemicals and products.

**Overall, TCDD is a critical subject of research due to its severe health effects and potential for widespread environmental contamination. Understanding its toxicity and developing effective strategies for mitigating its impact are vital for protecting human health and the environment.**

1,2,7,8-tetrachlorodibenzo-p-dioxin: structure in first source [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID36934
CHEMBL ID137849
SCHEMBL ID10350071
MeSH IDM0412849

Synonyms (20)

Synonym
brn 1586203
1,2,7,8-tetrachlorodibenzo-p-dioxin
dibenzo-p-dioxin, 1,2,7,8-tetrachloro-
2,3,6,7-tetrachlorodibenzodioxin
dibenzo(b,e)(1,4)dioxin, 1,2,7,8-tetrachloro-
1,2,7,8-tetrachloro-dibenzo[1,4]dioxine
CHEMBL137849 ,
61cls478m1 ,
unii-61cls478m1
34816-53-0
bdbm50408315
1,2,7,8-tcdd
pcdd 39
1,2,7,8-tetrachlorodibenzodioxin
SCHEMBL10350071
YDZCLBKUTXYYKS-UHFFFAOYSA-N
DTXSID3073478
2,3,6,7-tetrachlordibenzodioxin
1,2,7,8-tetrachlorodibenzo[b,e][1,4]dioxine
Q27263330

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" In addition, oxidative stress is a major mediator of TCDD-induced adverse effects, and p53 may play an important role in this mechanism."( Toxic effects of lactational exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on development of male reproductive system: involvement of antioxidants, oxidants, and p53 protein.
Han, SW; Hong, CH; Jin, MH; Kang, HJ; Lee, HY, 2010
)
0.36
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Protein Targets (2)

Activation Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Cytochrome P450 1A1Rattus norvegicus (Norway rat)EC50 (µMol)0.16000.00152.205710.0000AID39064
Aryl hydrocarbon receptorHomo sapiens (human)EC50 (µMol)0.16000.00151.976910.0000AID39064
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (22)

Processvia Protein(s)Taxonomy
blood vessel developmentAryl hydrocarbon receptorHomo sapiens (human)
regulation of adaptive immune responseAryl hydrocarbon receptorHomo sapiens (human)
negative regulation of T cell mediated immune response to tumor cellAryl hydrocarbon receptorHomo sapiens (human)
regulation of DNA-templated transcriptionAryl hydrocarbon receptorHomo sapiens (human)
regulation of transcription by RNA polymerase IIAryl hydrocarbon receptorHomo sapiens (human)
xenobiotic metabolic processAryl hydrocarbon receptorHomo sapiens (human)
apoptotic processAryl hydrocarbon receptorHomo sapiens (human)
response to xenobiotic stimulusAryl hydrocarbon receptorHomo sapiens (human)
response to toxic substanceAryl hydrocarbon receptorHomo sapiens (human)
regulation of gene expressionAryl hydrocarbon receptorHomo sapiens (human)
cAMP-mediated signalingAryl hydrocarbon receptorHomo sapiens (human)
intracellular receptor signaling pathwayAryl hydrocarbon receptorHomo sapiens (human)
regulation of B cell proliferationAryl hydrocarbon receptorHomo sapiens (human)
circadian regulation of gene expressionAryl hydrocarbon receptorHomo sapiens (human)
negative regulation of DNA-templated transcriptionAryl hydrocarbon receptorHomo sapiens (human)
positive regulation of DNA-templated transcriptionAryl hydrocarbon receptorHomo sapiens (human)
positive regulation of transcription by RNA polymerase IIAryl hydrocarbon receptorHomo sapiens (human)
negative regulation of inflammatory responseAryl hydrocarbon receptorHomo sapiens (human)
cellular response to molecule of bacterial originAryl hydrocarbon receptorHomo sapiens (human)
cellular response to cAMPAryl hydrocarbon receptorHomo sapiens (human)
cellular response to forskolinAryl hydrocarbon receptorHomo sapiens (human)
cellular response to 2,3,7,8-tetrachlorodibenzodioxineAryl hydrocarbon receptorHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (16)

Processvia Protein(s)Taxonomy
nuclear receptor activityAryl hydrocarbon receptorHomo sapiens (human)
transcription cis-regulatory region bindingAryl hydrocarbon receptorHomo sapiens (human)
DNA-binding transcription factor activity, RNA polymerase II-specificAryl hydrocarbon receptorHomo sapiens (human)
cis-regulatory region sequence-specific DNA bindingAryl hydrocarbon receptorHomo sapiens (human)
TFIID-class transcription factor complex bindingAryl hydrocarbon receptorHomo sapiens (human)
transcription coactivator bindingAryl hydrocarbon receptorHomo sapiens (human)
DNA bindingAryl hydrocarbon receptorHomo sapiens (human)
DNA-binding transcription factor activityAryl hydrocarbon receptorHomo sapiens (human)
nuclear receptor activityAryl hydrocarbon receptorHomo sapiens (human)
protein bindingAryl hydrocarbon receptorHomo sapiens (human)
TBP-class protein bindingAryl hydrocarbon receptorHomo sapiens (human)
protein homodimerization activityAryl hydrocarbon receptorHomo sapiens (human)
protein heterodimerization activityAryl hydrocarbon receptorHomo sapiens (human)
Hsp90 protein bindingAryl hydrocarbon receptorHomo sapiens (human)
RNA polymerase II-specific DNA-binding transcription factor bindingAryl hydrocarbon receptorHomo sapiens (human)
E-box bindingAryl hydrocarbon receptorHomo sapiens (human)
sequence-specific double-stranded DNA bindingAryl hydrocarbon receptorHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (10)

Processvia Protein(s)Taxonomy
nucleusAryl hydrocarbon receptorHomo sapiens (human)
nuclear aryl hydrocarbon receptor complexAryl hydrocarbon receptorHomo sapiens (human)
nucleusAryl hydrocarbon receptorHomo sapiens (human)
nucleoplasmAryl hydrocarbon receptorHomo sapiens (human)
cytoplasmAryl hydrocarbon receptorHomo sapiens (human)
cytosolAryl hydrocarbon receptorHomo sapiens (human)
chromatinAryl hydrocarbon receptorHomo sapiens (human)
transcription regulator complexAryl hydrocarbon receptorHomo sapiens (human)
protein-containing complexAryl hydrocarbon receptorHomo sapiens (human)
cytosolic aryl hydrocarbon receptor complexAryl hydrocarbon receptorHomo sapiens (human)
aryl hydrocarbon receptor complexAryl hydrocarbon receptorHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (1)

Assay IDTitleYearJournalArticle
AID39064Affinity on cytosolic Aromatic hydrocarbon receptor (Ah)1997Journal of medicinal chemistry, Dec-19, Volume: 40, Issue:26
Three-dimensional quantitative structure-activity relationships from molecular similarity matrices and genetic neural networks. 2. Applications.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (35)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's1 (2.86)18.2507
2000's18 (51.43)29.6817
2010's16 (45.71)24.3611
2020's0 (0.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 12.42

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index12.42 (24.57)
Research Supply Index3.58 (2.92)
Research Growth Index6.00 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (12.42)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews0 (0.00%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other35 (100.00%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]