Pol III RPC32 Inhibitors
Pol III RPC32 inhibitors constitute a diverse group of chemicals that directly or indirectly modulate the activity of Pol III RPC32, a key subunit of RNA polymerase III responsible for the transcription of small structural RNA genes. ML-60218, a notable direct inhibitor, selectively targets the polymerase activity of Pol III, disrupting its catalytic function in DNA replication. This small molecule plays a crucial role in unraveling the intricacies of Pol III RPC32 regulation. Among the indirect inhibitors, Aphidicolin induces replicative stress by inhibiting DNA polymerase, consequently activating ATR-CHK1 signaling pathways. This activation has downstream effects that impact Pol III RPC32 activity, providing a unique avenue to study the interconnectedness of cellular processes involved in DNA replication. Mycophenolic acid, an IMPDH inhibitor, indirectly affects Pol III RPC32 by disrupting nucleotide biosynthesis. This disruption is critical for the catalytic function of Pol III RPC32 in DNA replication, shedding light on the intricate network of cellular pathways.
Hydroxyurea, Cytarabine, Gemcitabine, Fludarabine, 5-Fluorouracil, 6-Thioguanine, Etoposide, Thioguanine, and Methotrexate, though diverse in their mechanisms, collectively influence nucleotide metabolism and DNA synthesis. Their direct or indirect impact on Pol III RPC32 function leads to impaired DNA replication, providing a valuable set of tools for probing the regulatory mechanisms governing this essential cellular process. Understanding the actions of these inhibitors on specific pathways and cellular processes not only deepens our knowledge of Pol III RPC32 but also opens avenues for targeted approaches in research. This toolbox of chemicals offers a nuanced exploration of the regulatory intricacies of Pol III RPC32, providing researchers with the means to dissect its role in cellular processes dependent on accurate DNA replication. Overall, these inhibitors contribute significantly to advancing our understanding of the molecular underpinnings of Pol III RPC32 and its implications for cellular homeostasis.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Aphidicolin | 38966-21-1 | sc-201535 sc-201535A sc-201535B | 1 mg 5 mg 25 mg | $84.00 $306.00 $1104.00 | 30 | |
Aphidicolin is a DNA polymerase inhibitor that can indirectly impact Pol III RPC32. By inhibiting DNA polymerase, Aphidicolin induces replicative stress, activating signaling pathways such as ATR-CHK1. Activation of these pathways can lead to the modulation of Pol III RPC32 activity, potentially inhibiting its function in DNA replication processes. | ||||||
Mycophenolic acid | 24280-93-1 | sc-200110 sc-200110A | 100 mg 500 mg | $69.00 $266.00 | 8 | |
Mycophenolic acid inhibits inosine monophosphate dehydrogenase (IMPDH), disrupting nucleotide biosynthesis. The reduced availability of nucleotides can indirectly affect Pol III RPC32, as it relies on a sufficient pool of nucleotides for DNA synthesis. Mycophenolic acid, by influencing nucleotide metabolism, can potentially inhibit Pol III RPC32 function and impair cellular DNA replication. | ||||||
Hydroxyurea | 127-07-1 | sc-29061 sc-29061A | 5 g 25 g | $78.00 $260.00 | 18 | |
Hydroxyurea is an inhibitor of ribonucleotide reductase, reducing the pool of deoxyribonucleotides available for DNA synthesis. This indirect inhibition of nucleotide synthesis can impact Pol III RPC32 by limiting the building blocks necessary for its catalytic activity in DNA replication, leading to impaired cellular processes dependent on accurate DNA replication. | ||||||
1-β-D-Arabinofuranosylcytosine | 147-94-4 | sc-201628 sc-201628A sc-201628B sc-201628C sc-201628D | 1 g 5 g 25 g 100 g 250 g | $150.00 $263.00 $518.00 $731.00 $1461.00 | 1 | |
This compound, also called 1-β-D-Arabinofuranosylcytosine, an antimetabolite, is incorporated into DNA during replication, leading to chain termination. The incorporation of cytarabine into replicating DNA can directly hinder Pol III RPC32 function by preventing further DNA synthesis, disrupting cellular processes reliant on accurate DNA replication. | ||||||
2′-Deoxy-2′,2′-difluorocytidine | 95058-81-4 | sc-275523 sc-275523A | 1 g 5 g | $56.00 $128.00 | ||
ALso called Gemcitabine, this compound is a nucleoside analogue that inhibits DNA synthesis by serving as a chain terminator. Its incorporation into replicating DNA can directly impact Pol III RPC32 function, leading to chain termination during DNA replication and impairing cellular processes dependent on accurate DNA synthesis. | ||||||
Fludarabine | 21679-14-1 | sc-204755 sc-204755A | 5 mg 25 mg | $58.00 $204.00 | 15 | |
Fludarabine is a purine analogue that inhibits DNA synthesis and repair. Its incorporation into replicating DNA can directly impact Pol III RPC32 function, leading to impaired DNA replication. Additionally, fludarabine can indirectly influence Pol III RPC32 by disrupting cellular processes reliant on accurate DNA synthesis and repair pathways. | ||||||
Fluorouracil | 51-21-8 | sc-29060 sc-29060A | 1 g 5 g | $37.00 $152.00 | 11 | |
Fluorouracil is a thymidylate synthase inhibitor, disrupting nucleotide biosynthesis. The reduced availability of nucleotides can indirectly affect Pol III RPC32, as it relies on a sufficient pool of nucleotides for DNA synthesis. 5-Fluorouracil, by influencing nucleotide metabolism, can potentially inhibit Pol III RPC32 function and impair cellular DNA replication. | ||||||
6-Thioguanine | 154-42-7 | sc-205587 sc-205587A | 250 mg 500 mg | $42.00 $54.00 | 3 | |
6-Thioguanine is a purine analogue that is incorporated into DNA during replication, leading to chain termination. Its incorporation into replicating DNA can directly hinder Pol III RPC32 function by preventing further DNA synthesis, disrupting cellular processes reliant on accurate DNA replication. Additionally, 6-thioguanine can indirectly influence Pol III RPC32 by disrupting nucleotide metabolism. | ||||||
Etoposide (VP-16) | 33419-42-0 | sc-3512B sc-3512 sc-3512A | 10 mg 100 mg 500 mg | $51.00 $231.00 $523.00 | 63 | |
Etoposide is a topoisomerase II inhibitor that induces DNA breaks. Its action can directly impact Pol III RPC32 by introducing obstacles to DNA replication. Etoposide-induced DNA damage can also activate cellular checkpoints, indirectly influencing Pol III RPC32 by modulating signaling pathways involved in DNA damage responses and DNA replication checkpoint activation. | ||||||
Methotrexate | 59-05-2 | sc-3507 sc-3507A | 100 mg 500 mg | $94.00 $213.00 | 33 | |
Methotrexate inhibits dihydrofolate reductase, disrupting folate metabolism. The reduced availability of folate can indirectly affect Pol III RPC32, as it relies on folate derivatives for DNA synthesis. Methotrexate, by influencing folate metabolism, can potentially inhibit Pol III RPC32 function and impair cellular DNA replication. | ||||||