Date published: 2026-4-23

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MLH1 Inhibitors

MLH1 inhibitors constitute a diverse array of compounds that intricately modulate MLH1 expression, directly or indirectly impacting DNA mismatch repair processes. These chemicals operate through distinct biochemical mechanisms, contributing to the intricate regulation of MLH1 and its role in maintaining genomic stability. One group of inhibitors, such as Curcumin, targets the NF-κB pathway, suppressing IκB kinase and influencing MLH1 expression. This direct modulation illustrates the interconnectedness of inflammatory signaling pathways and the regulation of DNA repair mechanisms. Another set of inhibitors, exemplified by Trichostatin A and 5-Aza-2'-deoxycytidine, operates indirectly by modifying chromatin structure. Trichostatin A inhibits histone deacetylases, impacting the acetylation status of histones and potentially influencing MLH1 expression. On the other hand, 5-Aza-2'-deoxycytidine induces DNA demethylation, offering an epigenetic route for the regulation of MLH1. These compounds highlight the significance of epigenetic modifications in shaping the landscape of DNA repair processes. Compounds like Cisplatin and Etoposide induce DNA damage, triggering a cellular response that indirectly impacts MLH1. These agents play a role in the DNA damage response pathway, where MLH1 is involved in rectifying DNA mismatches arising from damaged DNA. Sulindac provides a unique link between inflammatory signaling and MLH1 regulation by inhibiting the Wnt/β-catenin pathway. This connection underscores the intricate interplay between inflammation and DNA repair processes. Moreover, 6-Mercaptopurine, by interfering with purine metabolism, and Valproic Acid, through epigenetic modulation, offer alternative avenues for MLH1 regulation. Camptothecin, a topoisomerase I inhibitor, also indirectly influences MLH1 by promoting DNA damage. This diverse array of MLH1 inhibitors reflects the multifaceted strategies employed to modulate DNA mismatch repair processes, providing valuable insights into potential avenues for intervention in the context of DNA repair and genomic stability. Researchers can leverage this diverse toolkit to gain a comprehensive understanding of MLH1 regulation and its implications for cellular homeostasis.

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin inhibits MLH1 indirectly by modulating the NF-κB pathway. It suppresses IκB kinase, preventing NF-κB activation. This inhibition downregulates genes involved in DNA repair, including MLH1. Curcumin's impact on the NF-κB pathway influences MLH1 expression, potentially affecting DNA mismatch repair processes.

Trichostatin A

58880-19-6sc-3511
sc-3511A
sc-3511B
sc-3511C
sc-3511D
1 mg
5 mg
10 mg
25 mg
50 mg
$152.00
$479.00
$632.00
$1223.00
$2132.00
33
(3)

Trichostatin A acts as an indirect MLH1 inhibitor by targeting histone deacetylases (HDACs). By inhibiting HDACs, it alters chromatin structure, impacting gene expression. In particular, Trichostatin A-induced histone modifications may affect MLH1 transcription, implicating epigenetic regulation in the modulation of DNA mismatch repair mechanisms.

5-Aza-2′-Deoxycytidine

2353-33-5sc-202424
sc-202424A
sc-202424B
25 mg
100 mg
250 mg
$218.00
$322.00
$426.00
7
(1)

5-Aza-2'-deoxycytidine, a DNA demethylating agent, indirectly influences MLH1. It inhibits DNA methyltransferases, leading to DNA demethylation. MLH1 promoter hypermethylation is a common mechanism of MLH1 inactivation in cancers. By demethylating the MLH1 promoter, this compound can potentially restore MLH1 expression, promoting DNA mismatch repair functionality.

Cisplatin

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

Cisplatin indirectly affects MLH1 by inducing DNA damage. As a platinum-based chemotherapeutic, it forms intrastrand crosslinks in DNA, triggering cellular responses. MLH1 expression may be influenced as a part of DNA damage response pathways. Cisplatin's impact on DNA structure can modulate MLH1 levels, potentially affecting the cellular capacity for DNA mismatch repair.

Sulindac

38194-50-2sc-202823
sc-202823A
sc-202823B
1 g
5 g
10 g
$32.00
$86.00
$150.00
3
(1)

Sulindac, a non-steroidal anti-inflammatory drug, indirectly modulates MLH1 through inhibition of the Wnt/β-catenin pathway. It targets cyclooxygenases, disrupting Wnt signaling. As MLH1 is a downstream target of Wnt, Sulindac's interference with this pathway can affect MLH1 expression, revealing a link between inflammatory pathways and DNA mismatch repair regulation.

Etoposide (VP-16)

33419-42-0sc-3512B
sc-3512
sc-3512A
10 mg
100 mg
500 mg
$51.00
$231.00
$523.00
63
(1)

Etoposide indirectly influences MLH1 by inducing DNA damage. As a topoisomerase II inhibitor, it promotes DNA strand breaks, activating DNA damage response pathways. MLH1 expression can be modulated as part of the cellular response to DNA damage. Etoposide's impact on DNA integrity may contribute to alterations in MLH1 levels, affecting DNA mismatch repair processes.

Sodium Butyrate

156-54-7sc-202341
sc-202341B
sc-202341A
sc-202341C
250 mg
5 g
25 g
500 g
$31.00
$47.00
$84.00
$222.00
19
(3)

Sodium butyrate indirectly inhibits MLH1 by targeting histone deacetylases (HDACs). It enhances histone acetylation, affecting chromatin structure and gene expression. MLH1, being sensitive to epigenetic modifications, can experience altered transcription in response to sodium butyrate. The compound's influence on HDACs provides a route for epigenetic modulation of MLH1 expression.

2′-Deoxy-2′,2′-difluorocytidine

95058-81-4sc-275523
sc-275523A
1 g
5 g
$56.00
$128.00
(1)

Gemcitabine indirectly affects MLH1 by inducing DNA damage. As a nucleoside analog, it incorporates into DNA, leading to chain termination and DNA damage. MLH1 expression may be influenced as part of the cellular response to damaged DNA. Gemcitabine's impact on DNA structure and replication can modulate MLH1 levels, potentially impacting DNA mismatch repair mechanisms.

Oxaliplatin

61825-94-3sc-202270
sc-202270A
5 mg
25 mg
$112.00
$394.00
8
(1)

Oxaliplatin indirectly influences MLH1 by inducing DNA damage. As a platinum-based chemotherapeutic, it forms DNA adducts, activating cellular responses. MLH1 expression may be modulated as part of the DNA damage response pathways. Oxaliplatin's impact on DNA integrity can affect MLH1 levels, potentially influencing the cellular capacity for DNA mismatch repair.

6-Mercaptopurine

50-44-2sc-361087
sc-361087A
50 mg
100 mg
$72.00
$104.00
(0)

6-Mercaptopurine indirectly modulates MLH1 by interfering with purine metabolism. It is incorporated into DNA, disrupting nucleotide synthesis. MLH1 expression can be influenced as part of the cellular response to altered DNA metabolism. 6-Mercaptopurine's impact on DNA structure and synthesis may contribute to changes in MLH1 levels, potentially affecting DNA mismatch repair processes.