Date published: 2026-3-24

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PSPC1 Inhibitors

PSPC1 inhibitors comprise a class of chemicals that exert their inhibitory effects either directly on PSPC1 or indirectly by influencing specific cellular pathways and processes. Actinomycin D, Actinomycin X0, and Actinomycin V1 are direct inhibitors that bind to DNA, disrupting transcription and directly impacting mRNA synthesis, leading to reduced PSPC1 expression. Similarly, Cisplatin induces DNA cross-links, inhibiting DNA replication and transcription, and directly inhibiting PSPC1. Flavopiridol and Triptolide are direct inhibitors that target cyclin-dependent kinases and RNA polymerase II, respectively. By inhibiting these crucial components of the transcription machinery, these chemicals directly reduce mRNA synthesis and, consequently, PSPC1 expression.

Indirect inhibitors such as Mycophenolic Acid and 5-Fluorouracil act by disrupting nucleotide synthesis. Mycophenolic Acid inhibits IMPDH, leading to reduced guanine nucleotide synthesis and indirectly impacting mRNA synthesis, while 5-Fluorouracil inhibits thymidylate synthase, disrupting DNA and RNA synthesis and indirectly affecting PSPC1 expression. Rifampicin, primarily an antibiotic, can act as an indirect inhibitor of PSPC1 by influencing shared components of the transcription machinery. It inhibits bacterial RNA polymerase, impacting eukaryotic mRNA synthesis and decreasing PSPC1 expression. In summary, the diverse mechanisms of action exhibited by PSPC1 inhibitors underscore the complexity of regulating PSPC1 expression. Understanding these inhibitors provides valuable insights into strategies for modulating PSPC1 levels in cellular contexts, laying the groundwork for further research into the functional roles of PSPC1 in various biological processes.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Actinomycin D

50-76-0sc-200906
sc-200906A
sc-200906B
sc-200906C
sc-200906D
5 mg
25 mg
100 mg
1 g
10 g
$74.00
$243.00
$731.00
$2572.00
$21848.00
53
(3)

Actinomycin D is a direct inhibitor of PSPC1. It binds to DNA and inhibits transcription by RNA polymerase. This inhibition directly impacts the synthesis of mRNA, leading to reduced levels of PSPC1 expression.

Cisplatin

15663-27-1sc-200896
sc-200896A
100 mg
500 mg
$138.00
$380.00
101
(4)

Cisplatin is a direct inhibitor of PSPC1. It forms DNA adducts, causing DNA cross-linking and inhibiting DNA replication and transcription. This directly reduces the synthesis of mRNA, impacting PSPC1 expression.

Flavopiridol

146426-40-6sc-202157
sc-202157A
5 mg
25 mg
$78.00
$259.00
41
(3)

Flavopiridol is a direct inhibitor of PSPC1. It inhibits cyclin-dependent kinases (CDKs), leading to cell cycle arrest and suppression of transcription. This directly affects the synthesis of mRNA, resulting in decreased PSPC1 expression.

Triptolide

38748-32-2sc-200122
sc-200122A
1 mg
5 mg
$90.00
$204.00
13
(1)

Triptolide is a direct inhibitor of PSPC1. It inhibits RNA polymerase II, leading to the suppression of transcription. This directly affects the synthesis of mRNA, resulting in decreased PSPC1 expression.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$269.00
$1050.00
26
(2)

α-Amanitin is a direct inhibitor of PSPC1. It selectively inhibits RNA polymerase II, causing transcriptional arrest and directly impacting the synthesis of mRNA. This leads to reduced PSPC1 expression.

Mycophenolic acid

24280-93-1sc-200110
sc-200110A
100 mg
500 mg
$69.00
$266.00
8
(1)

Mycophenolic Acid is an indirect inhibitor of PSPC1. It inhibits inosine monophosphate dehydrogenase (IMPDH), leading to reduced guanine nucleotide synthesis. This indirectly affects mRNA synthesis and results in decreased PSPC1 expression.

Fluorouracil

51-21-8sc-29060
sc-29060A
1 g
5 g
$37.00
$152.00
11
(1)

Fluorouracil is an indirect inhibitor of PSPC1. It is converted into active metabolites that inhibit thymidylate synthase, disrupting DNA and RNA synthesis. This indirectly affects mRNA synthesis, leading to reduced PSPC1 expression.

Rifampicin

13292-46-1sc-200910
sc-200910A
sc-200910B
sc-200910C
1 g
5 g
100 g
250 g
$97.00
$328.00
$676.00
$1467.00
6
(1)

Rifampicin is an indirect inhibitor of PSPC1. It inhibits bacterial RNA polymerase, and although its primary use is as an antibiotic, it can indirectly impact eukaryotic mRNA synthesis by influencing shared components of the transcription machinery, leading to decreased PSPC1 expression.

Actinomycin V

18865-48-0sc-507379
1 mg
$450.00
(0)

Actinomycin V is a direct inhibitor of PSPC1, similar to Actinomycin D and X0. It binds to DNA, inhibiting transcription and directly impacting mRNA synthesis. This results in reduced PSPC1 expression.

6-Thioguanine

154-42-7sc-205587
sc-205587A
250 mg
500 mg
$42.00
$54.00
3
(1)

6-Thioguanine is an indirect inhibitor of PSPC1. It is incorporated into DNA and RNA, leading to disruptions in nucleic acid synthesis. This indirectly affects mRNA synthesis, resulting in decreased PSPC1 expression.