Date published: 2026-1-23

1-800-457-3801

SCBT Portrait Logo
Seach Input

CPSF4 Inhibitors

CPSF4 inhibitors belong to a distinctive chemical class that targets a crucial cellular machinery involved in eukaryotic gene expression. CPSF4, or Cleavage and Polyadenylation Specificity Factor 4, is a key component of the pre-mRNA 3' end processing complex, which is responsible for the cleavage and polyadenylation of nascent mRNA transcripts. This process is fundamental for the maturation of mRNA molecules and subsequently influences gene expression at the post-transcriptional level. CPSF4 inhibitors operate by disrupting the normal functioning of CPSF4, leading to the inhibition of proper mRNA processing. The intricate interplay between CPSF4 and its associated factors ensures the accurate formation of the polyadenylated tail, a crucial step for mRNA stability and export from the nucleus to the cytoplasm. Inhibitors targeting CPSF4 thus impede this essential molecular mechanism, thereby influencing the fate of mRNA transcripts and potentially impacting various cellular processes dependent on precise gene regulation.

The development and study of CPSF4 inhibitors have provided valuable insights into the intricate regulatory networks governing gene expression. By selectively modulating CPSF4 activity, researchers aim to unravel the specific consequences on mRNA processing and downstream cellular events. Understanding the intricate details of CPSF4 inhibition could shed light on novel avenues for manipulating gene expression for research purposes or potentially devising strategies for influencing cellular behavior.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Leptomycin B

87081-35-4sc-358688
sc-358688A
sc-358688B
50 µg
500 µg
2.5 mg
$107.00
$416.00
$1248.00
35
(2)

Inhibits exportin 1 (CRM1), leading to altered mRNA transport and potentially affecting CPSF4-mediated mRNA processing.

Flavopiridol

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

Inhibits CDK9, part of the positive transcription elongation factor b (P-TEFb), which is required for transcription elongation that CPSF4 would process.

(±)-JQ1

1268524-69-1sc-472932
sc-472932A
5 mg
25 mg
$231.00
$863.00
1
(0)

Disrupts BET bromodomain proteins, altering transcription regulation and indirectly influencing CPSF4 activity.

Pladienolide B

445493-23-2sc-391691
sc-391691B
sc-391691A
sc-391691C
sc-391691D
sc-391691E
0.5 mg
10 mg
20 mg
50 mg
100 mg
5 mg
$299.00
$5699.00
$11099.00
$25500.00
$66300.00
$2875.00
63
(2)

Binds to the SF3b complex and disrupts splicing, potentially affecting the pool of pre-mRNAs that CPSF4 acts upon.

Ispinesib

336113-53-2sc-364747
10 mg
$505.00
(0)

Inhibits kinesin spindle protein (KSP), leading to cell cycle arrest, which can indirectly reduce CPSF4 activity due to decreased cellular demand for mRNA processing.

Silvestrol

697235-38-4sc-507504
1 mg
$920.00
(0)

Inhibits eIF4A, an RNA helicase involved in the initiation of translation, potentially decreasing the demand for CPSF4-mediated mRNA maturation.

Bortezomib

179324-69-7sc-217785
sc-217785A
2.5 mg
25 mg
$135.00
$1085.00
115
(2)

Inhibits the 26S proteasome, leading to altered protein turnover and potentially affecting CPSF4 function due to changes in cellular regulatory mechanisms.

Rocaglamide

84573-16-0sc-203241
sc-203241A
sc-203241B
sc-203241C
sc-203241D
100 µg
1 mg
5 mg
10 mg
25 mg
$275.00
$474.00
$1639.00
$2497.00
$5344.00
4
(1)

Inhibits eIF4A, leading to altered translation initiation and potentially reducing the demand on CPSF4 for mRNA processing.