Cytidine triphosphate disodium—the core nucleotide of cell metabolism and nucleic acid synthesis 36051-68-0

Cytidine triphosphate disodium is a vital nucleotide molecule in organisms and belongs to the Sugar Nucleotides category. As a core substrate of cellular energy metabolism and nucleic acid biosynthesis, it plays an indispensable role in life-sustaining activities. From gene expression regulation to cell signaling, from basic biochemical research to modern drug development, cytidine triphosphate disodium has become a key bridge connecting molecular biology and clinical applications with its unique structure and versatility. Its stability and biocompatibility make it of great value in both in vitro research and in vivo applications.

Chemical Information

Chemical name: Cytidine 5'-triphosphate disodium salt

Common name: Cytidine triphosphate disodium

Chemical formula: C9H17N3NaO14P3

Molecular weight: 507.15 g/mol

CAS number: 36051-68-0

Category: Sugar Nucleotides

Structural features

Cytidine triphosphate disodium is composed of cytidine nucleoside and three phosphate groups connected through high-energy phosphate bonds, and exists in the form of disodium salt, which enhances its water solubility and stability. Key structural features include:

High-energy phosphate bond system: Three phosphate groups are connected in sequence to form two high-energy phosphoric anhydride bonds (α-β and β-γ), which serve as a carrier and transfer medium of chemical energy in cells. These bonds are easily hydrolyzed in enzymatic reactions, releasing energy to drive biological processes such as RNA synthesis and phospholipid metabolism.

Nucleoside base specificity: Cytosine base provides a unique hydrogen bonding pattern, making it selective in nucleic acid pairing and protein recognition, forming a stable pairing with guanine, and participating in the transmission of genetic information.

Sodium salt modification: The introduction of disodium ions neutralizes the negative charge of the phosphate group, improves the solubility and ion balance of the compound, facilitates use in physiological buffer systems, and reduces metal ion interference.

Conformational flexibility: The rotational freedom of the ribose ring and phosphate chain allows it to adapt to a variety of enzyme active centers and serve as a universal substrate in metabolic pathways, supporting diverse functions from transcription to signal transduction.

This structural combination makes cytidine triphosphate not only a simple metabolic intermediate, but also a dynamic molecular tool that coordinates the flow of energy and information in the cellular environment.

Main applications and advantages

Key substrates for nucleic acid biosynthesis

In RNA synthesis, cytidine disodium triphosphate, as the direct source of cytidine triphosphate (CTP), is an essential raw material for in vitro transcription and reverse transcription reactions. It is integrated into the nascent RNA chain through RNA polymerase to ensure the accuracy and efficiency of gene expression. In molecular cloning and sequencing technologies, its highly pure form supports high-throughput RNA production for vaccine development, gene therapy and diagnostic reagent preparation. Its native structure reduces the risk of toxicity and optimizes transcriptional fidelity compared to other nucleotide analogs.

Core participant in cell metabolism and energy regulation

As a high-energy molecule, cytidine triphosphate disodium participates in cellular energy cycle, such as assisting ATP production in the tricarboxylic acid cycle and oxidative phosphorylation. In addition, it serves as a substrate in the phosphatidylinositol signaling pathway and is used to synthesize signaling molecules such as cytidine diphosphate diacylglycerol to regulate cell growth, differentiation and stress response. This versatility makes it a tool for analyzing cellular homeostasis in metabolic engineering and systems biology studies.

Drug development and exploration of therapeutic potential

In the field of neuroscience, research on cytidine triphosphate disodium shows its potential role in neuroprotection, which may alleviate cerebral ischemia or neurodegenerative diseases by enhancing cellular energy supply and repairing membrane phospholipids. In cardiovascular medicine, it is involved in myocardial energy metabolism and is used as an auxiliary agent to improve cellular function in patients with heart failure. In addition, in antiviral and anticancer drug screening, its analogs are often designed as target inhibitors to interfere with abnormal nucleic acid synthesis.

Basic research and development of diagnostic tools

As a natural nucleotide, cytidine disodium triphosphate is an ideal probe for studying enzyme kinetics and metabolic pathways, and is used to dissect the mechanisms of polymerases, kinases, and synthetases. In terms of diagnostics, its labeling format (such as radioactive or fluorescent labels) can be used to track intracellular RNA dynamics and monitor metabolic abnormalities in diseases such as cancer or infection. These applications drive precision medicine and biomarker discovery.

Optimizing performance in biotechnology

In synthetic biology, cytidine disodium triphosphate is used to optimize in vitro systems, such as cell-free protein expression and artificial cell construction, to increase product yields by replenishing the nucleotide pool. In the field of nucleic acid drugs, its modified derivatives can enhance the stability and translation efficiency of siRNA or mRNA and reduce off-target effects. Although its application is not as widespread as pseudouridine, it provides complementary strategies in specific therapies.

Conclusion

Cytidine triphosphate disodium is not only a basic metabolic molecule, but also an energy hub and information carrier for cellular life activities. From basic science to translational medicine, its structural stability and biological activity continue to empower the development of new technologies, including gene editing, personalized therapy and metabolic engineering. As the understanding of cellular mechanisms deepens, cytidine triphosphate disodium is expected to unleash its potential in broader disease treatment and biomanufacturing fields, becoming one of the cornerstones of future biomedical innovation.

The above information is provided by the editor of KASONS and is for scientific research only.