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Nucleoside analogs and antimetabolites are modified nucleosides resembling the natural building blocks of DNA and RNA. Changes to the base or the sugar let them interfere with nucleotide metabolism and nucleic acid synthesis. After phosphorylation in cells, many are incorporated into DNA or RNA, or inhibit polymerases and cause chain termination. Cytarabine hydrochloride, which carries an arabinose sugar, is used to study inhibition of DNA synthesis. Zalcitabine, a dideoxynucleoside, is used in research on viral reverse transcriptase. The category also covers naturally modified nucleosides such as 3-methylcytidine and N6,N6-dimethyladenosine. These serve as reference compounds in studies of RNA modification and DNA damage.
Synonyms: 6-Azauridine
6-Azuridine is a purine nucleoside analog that acts as an effective activator of autophagic flux. It induces apoptosis through AMPK and p53 pathways, demonstrating significant antitumor and antiviral properties. This compound is valuable for research applications in cancer therapy and antiviral studies.
ISR Activator 3 (Compound cc81) is a potent activator of the integrated stress response (ISR), targeting RIG-I with a dissociation constant of approximately 0.55 μM. This compound enhances the interferon response in the presence of viral mimicry signals while not inducing lipid droplet clearance. ISR Activator 3 is suitable for research related to neurodegenerative diseases and immune stress mechanisms, providing valuable insights into cellular stress pathways and their implications in various biological contexts.
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TLR7 agonist 10 is a purine nucleoside analog that functions as a TLR7 activator. This compound exhibits significant antitumor activity, particularly against indolent lymphoid malignancies, through mechanisms such as the inhibition of DNA synthesis and the induction of apoptosis. TLR7 agonist 10 is essential for research focused on cancer biology and therapeutic development.
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