4-Cl-KYN

4-Cl-KYN is a synthetic compound that is used in scientific research. It is a derivative of the naturally occurring amino acid tryptophan. 4-Cl-KYN is known to act as an inhibitor of the enzyme indoleamine 2,3-dioxygenase (IDO), which is involved in the metabolism of tryptophan. This makes 4-Cl-KYN a useful tool in the study of the role of IDO in various biological processes, including immune response and cancer.

Chemistry

4-Cl-KYN is a halogenated derivative of the amino acid tryptophan. It has a chlorine atom at the 4-position of the kynurenine ring, hence its name. The compound is usually synthesized in the laboratory, as it does not occur naturally.

Biological activity

The primary biological activity of 4-Cl-KYN is its ability to inhibit the enzyme indoleamine 2,3-dioxygenase (IDO). IDO is a key enzyme in the metabolism of tryptophan, catalyzing the first step in the kynurenine pathway. This pathway is responsible for the degradation of most dietary tryptophan in the body.

Inhibition of IDO by 4-Cl-KYN can have significant effects on various biological processes. For example, IDO activity is known to play a role in immune response, as it can suppress T cell activity and promote immune tolerance. Therefore, 4-Cl-KYN has been used in research to study the role of IDO in immune-related diseases.

IDO is also implicated in cancer, as its activity can promote tumor growth and survival. Thus, 4-Cl-KYN can be used to study the role of IDO in cancer and to develop potential anti-cancer therapies.

Research uses

Due to its ability to inhibit IDO, 4-Cl-KYN is a valuable tool in scientific research. It has been used in studies investigating the role of IDO in immune response, cancer, and other diseases. For example, 4-Cl-KYN has been used to study the effects of IDO inhibition on T cell activity and immune tolerance. It has also been used in research on the role of IDO in cancer, including studies on the potential use of IDO inhibitors as anti-cancer therapies.

See also

• Tryptophan
• Indoleamine 2,3-dioxygenase
• Kynurenine pathway

4-Cl-KYN Resources
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