Date published: 2026-2-22

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MSH3_Msh3 Activators

MSH3 activators, as listed, are primarily chemicals that indirectly affect MSH3 activity by inducing DNA damage or stress, thereby potentially enhancing DNA mismatch repair processes in which MSH3 is involved. MSH3, being a key component of the mismatch repair system, is critical for correcting base-base mismatches and insertion-deletion loops that arise during DNA replication and after damage. The chemicals listed, such as platinum-based compounds (cisplatin, oxaliplatin), alkylating agents (MNNG), topoisomerase inhibitors (camptothecin, etoposide), and others, induce various forms of DNA damage, thereby potentially increasing the cellular demand for MSH3-mediated repair.

The significance of these activators lies in their ability to challenge and potentially enhance the DNA repair machinery. For instance, agents like 5-fluorouracil and doxorubicin, widely used in chemotherapy, induce DNA lesions that can stimulate the DNA repair pathways, including the one involving MSH3. Similarly, radiation (UV and gamma) is known to cause extensive DNA damage, leading to increased activity of DNA repair proteins.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Fluorouracil

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

5-Fluorouracil induces DNA damage, potentially increasing the demand for DNA repair mechanisms, including MSH3-mediated mismatch repair.

Cisplatin

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

Cisplatin causes DNA crosslinking, leading to enhanced activation of DNA repair pathways, possibly affecting MSH3 function.

Oxaliplatin

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

Oxaliplatin, similar to cisplatin, induces DNA crosslinking and may stimulate DNA repair systems involving MSH3.

Hydroxyurea

127-07-1sc-29061
sc-29061A
5 g
25 g
$78.00
$260.00
18
(1)

Hydroxyurea induces replication stress, which could lead to the activation of DNA repair pathways, including those involving MSH3.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$58.00
$186.00
$94.00
21
(2)

Camptothecin inhibits topoisomerase I, causing DNA damage and possibly enhancing MSH3-mediated repair activities.

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 inhibits topoisomerase II, leading to DNA breaks and potentially increased activity of MSH3-related repair pathways.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$176.00
$426.00
43
(3)

Doxorubicin induces DNA breaks and can stimulate DNA repair mechanisms, possibly involving MSH3.

Bleomycin Sulfate

9041-93-4sc-200134
sc-200134A
sc-200134B
sc-200134C
10 mg
50 mg
100 mg
500 mg
$210.00
$624.00
$1040.00
$2913.00
38
(4)

Bleomycin causes DNA strand breaks, potentially increasing the activity of DNA repair pathways, including MSH3.

VE 821

1232410-49-9sc-475878
10 mg
$360.00
(0)

ATR inhibitor VE-821 induces replication stress, which might enhance the activity of MSH3 as part of the DNA repair response.