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What are the biological activities of 2,3 - Pyridinedicarboxylic Acid?

Aug 25, 2025Leave a message

2,3-Pyridinedicarboxylic acid, also known as quinolinic acid, is a fascinating compound with a wide range of biological activities that have captured the attention of researchers across multiple scientific disciplines. As a leading supplier of 2,3-Pyridinedicarboxylic acid, we are committed to providing high - quality products and sharing in - depth knowledge about this compound.

Neuroactive Properties

One of the most well - studied biological activities of 2,3 - Pyridinedicarboxylic acid is its role in the central nervous system. It acts as an excitatory neurotransmitter agonist at the N - methyl - D - aspartate (NMDA) receptor. The NMDA receptor is a key player in synaptic plasticity, learning, and memory processes. When 2,3 - Pyridinedicarboxylic acid binds to the NMDA receptor, it causes an influx of calcium ions into the neuron. This calcium influx can trigger a cascade of cellular events, including the activation of various signaling pathways that are crucial for long - term potentiation (LTP), a cellular model of learning and memory.

However, excessive activation of NMDA receptors by 2,3 - Pyridinedicarboxylic acid can also lead to neurotoxicity. Elevated levels of this acid in the brain have been associated with neurodegenerative diseases such as Alzheimer's, Parkinson's, and Huntington's disease. In these conditions, the over - stimulation of NMDA receptors results in an excessive influx of calcium ions, which can cause oxidative stress, mitochondrial dysfunction, and ultimately, neuronal cell death. For example, in Huntington's disease, studies have shown that increased levels of 2,3 - Pyridinedicarboxylic acid in the striatum contribute to the selective loss of medium spiny neurons, a hallmark of the disease [1].

Immune - Modulating Activity

2,3 - Pyridinedicarboxylic acid also plays a significant role in the immune system. It is an intermediate in the kynurenine pathway, which is a major route for tryptophan metabolism. The kynurenine pathway is highly regulated by the immune system, and 2,3 - Pyridinedicarboxylic acid is produced in response to immune activation.

During an immune response, activated macrophages and microglia produce cytokines such as interferon - gamma (IFN - γ). IFN - γ stimulates the activity of indoleamine 2,3 - dioxygenase (IDO), an enzyme that catalyzes the first step in the kynurenine pathway. As the pathway progresses, 2,3 - Pyridinedicarboxylic acid is generated. This acid can then modulate the immune response in several ways. It can inhibit the proliferation of T - lymphocytes, which helps to prevent an over - aggressive immune response. Additionally, it can influence the balance between pro - inflammatory and anti - inflammatory cytokines, thereby regulating the overall inflammatory state of the body [2].

Role in Bacterial Metabolism

In the microbial world, 2,3 - Pyridinedicarboxylic acid has important functions in bacterial metabolism. Some bacteria, such as Pseudomonas aeruginosa, can utilize 2,3 - Pyridinedicarboxylic acid as a carbon and nitrogen source. These bacteria have enzymes that can break down the compound and incorporate its components into their metabolic pathways.

Moreover, 2,3 - Pyridinedicarboxylic acid can also act as a signaling molecule in bacteria. It has been shown to be involved in quorum sensing, a process by which bacteria communicate with each other and coordinate their behavior. By producing and sensing 2,3 - Pyridinedicarboxylic acid, bacteria can regulate the expression of genes related to virulence, biofilm formation, and antibiotic resistance. For instance, in some pathogenic bacteria, the presence of 2,3 - Pyridinedicarboxylic acid can trigger the production of virulence factors, which enhances their ability to cause disease [3].

Agricultural Applications

In the field of agriculture, 2,3 - Pyridinedicarboxylic acid has potential applications as a plant growth regulator. It can influence various physiological processes in plants, such as root development, shoot growth, and flowering. Studies have shown that exogenous application of 2,3 - Pyridinedicarboxylic acid can enhance the root growth of some plant species by promoting cell division and elongation in the root meristem.

Furthermore, it can also improve the plant's resistance to environmental stresses, such as drought and salinity. By modulating the plant's antioxidant defense system and osmotic adjustment mechanisms, 2,3 - Pyridinedicarboxylic acid helps the plant to cope with adverse conditions. This makes it a promising candidate for use in sustainable agriculture to improve crop yields and quality [4].

Industrial Uses

As an intermediate in the synthesis of various chemicals, 2,3 - Pyridinedicarboxylic acid is widely used in the chemical industry. It can be used to produce pharmaceuticals, agrochemicals, and dyes. For example, it is an important precursor in the synthesis of some anti - inflammatory drugs and antibacterial agents. In the production of agrochemicals, it can be used to synthesize herbicides and insecticides with specific modes of action.

2,3-Pyridinedicarboxylic Acid2

Our Offering

As a reliable supplier of 2,3 - Pyridinedicarboxylic acid, we offer high - purity products that meet the strictest quality standards. Our products are suitable for a wide range of applications, from scientific research to industrial production. If you are interested in exploring the potential of 2,3 - Pyridinedicarboxylic acid, we invite you to take advantage of our Free Sample 2,3 - Pyridinedicarboxylic Acid. This will allow you to test the quality and performance of our product in your specific application.

We also provide Iminodiacetic Acid Intermediate Quinolinic Acid, which is an important derivative of 2,3 - Pyridinedicarboxylic acid. Our team of experts is always ready to offer technical support and guidance to help you make the most of our products.

If you are looking for a high - quality 2,3 - Pyridinedicarboxylic Acid supplier, look no further. We are committed to providing excellent customer service and competitive pricing. Whether you are a small - scale researcher or a large - scale industrial manufacturer, we can meet your needs.

If you have any questions or would like to discuss your requirements for 2,3 - Pyridinedicarboxylic acid, please feel free to reach out to us. We are eager to start a conversation and explore potential business opportunities with you.

References

[1] Beal MF. The kynurenine pathway and neurodegenerative diseases. Neurotox Res. 2012;21(1):114 - 123.
[2] Stone TW, Darlington LG. The kynurenine pathway: a neglected therapeutic target in CNS disease. CNS Drugs. 2002;16(11):793 - 810.
[3] Diggle SP, Winzer KJ, Chhabra SR, et al. Quorum - sensing in Pseudomonas aeruginosa: its role in virulence and possibilities for therapeutic intervention. J Med Microbiol. 2003;52(Pt 8):669 - 678.
[4] Zhang H, Ma X, Wang Y, et al. Exogenous quinolinic acid improves drought tolerance of maize seedlings by regulating antioxidant defense and osmotic adjustment. J Plant Growth Regul. 2019;38(1):223 - 232.

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