Date published: 2025-10-25

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Reg I Inhibitors

Chemical inhibitors of Reg I can exert their influence by targeting specific signaling pathways and enzymes that indirectly dictate the functional state of Reg I protein. Phosphoramidon, through its inhibition of Neutral Endopeptidase, can lead to increased levels of bioactive peptides, which could exert a negative feedback on Reg I protein activity. LY-294002 and Wortmannin, both phosphoinositide 3-kinase (PI3K) inhibitors, can suppress the PI3K/Akt pathway, leading to a decrease in survival signaling that is necessary for the optimal activity of Reg I protein. Another layer of regulation involves the MAPK signaling pathway where SB-203580, PD98059, U0126, and SP600125 can inhibit the activity of p38 MAPK, MEK1/2, and JNK, respectively. The inhibition of these kinases results in a reduced pro-survival and stress response signaling, thus decreasing the activity of Reg I protein. Genistein, with its ability to inhibit multiple tyrosine kinases, can also disrupt cell growth and survival signals that control Reg I protein activity.

The second paragraph continues to explore additional mechanisms by which chemical inhibitors can reduce Reg I protein activity. Rapamycin, an mTOR inhibitor, can suppress cell proliferation signals, which are vital for the functional contribution of Reg I in tissue regeneration. Y-27632 targets the Rho-associated protein kinase (ROCK), which plays a role in cytoskeleton organization and cell motility, processes that are important for the biological activities of Reg I protein. By inhibiting ROCK, Y-27632 can lead to an indirect inhibition of Reg I protein activity. PP2, an inhibitor of Src family kinases, can disrupt the activity of Src kinases that are part of cell survival and proliferation pathways, thereby inhibiting Reg I protein activity. Lastly, SN-38 inhibits topoisomerase I, leading to DNA damage and cell cycle arrest, which can inhibit the activity of Reg I protein by disrupting the cellular proliferation and survival pathways.

SEE ALSO...

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Phosphoramidon

119942-99-3sc-201283
sc-201283A
5 mg
25 mg
$195.00
$620.00
8
(1)

Phosphoramidon inhibits the enzyme Neutral Endopeptidase (NEP), which is involved in the degradation of bioactive peptides. Since Reg I is implicated in tissue regeneration and inflammation, and NEP can modulate inflammatory responses, inhibition of NEP by Phosphoramidon can lead to an accumulation of peptides that may inhibit Reg I activity by competitive interaction or feedback mechanisms.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$121.00
$392.00
148
(1)

LY-294002 is a potent inhibitor of phosphoinositide 3-kinases (PI3K). Since Reg I is part of signaling pathways involving PI3K, inhibition of PI3K by LY-294002 can reduce Akt phosphorylation and downstream signaling, which can inhibit Reg I protein activity due to reduced survival signaling.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$88.00
$342.00
284
(5)

SB-203580 is a selective inhibitor of p38 MAPK. Reg I is known to be involved in pathways associated with cell proliferation and survival, which are regulated by p38 MAPK. By inhibiting p38 MAPK, SB-203580 can decrease Reg I protein activity indirectly through reduced pro-survival signaling.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$39.00
$90.00
212
(2)

PD98059 selectively inhibits MEK1/2, which are upstream of ERK1/2 in the MAPK signaling pathway. As Reg I is involved in cellular stress responses modulated by the MAPK pathway, inhibiting MEK with PD98059 can lead to decreased ERK activation and thus inhibit Reg I protein activity through reduced cellular proliferation and survival signaling.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 is an inhibitor of c-Jun N-terminal kinase (JNK), part of the MAPK pathway. By inhibiting JNK activity, this compound can decrease the signaling that may regulate Reg I activity, leading to its functional inhibition through impaired response to cellular stress and inflammation.

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$66.00
$219.00
$417.00
97
(3)

Wortmannin is another PI3K inhibitor, which operates in a similar fashion to LY-294002, by inhibiting the PI3K/Akt pathway. This action can lead to decreased Reg I protein activity by limiting the survival and proliferation signals that regulate its activity.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$26.00
$92.00
$120.00
$310.00
$500.00
$908.00
$1821.00
46
(1)

Genistein is a tyrosine kinase inhibitor which can inhibit numerous tyrosine kinases involved in the activation of several signaling pathways that regulate cell growth and survival, potentially leading to the inhibition of Reg I protein activity through decreased cellular proliferation and survival signals.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$62.00
$155.00
$320.00
233
(4)

Rapamycin inhibits the mTOR pathway, which is crucial for cell growth and proliferation. As Reg I is associated with cellular regeneration processes, rapamycin can inhibit Reg I protein activity through suppression of mTOR signaling and subsequent cellular proliferation.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$63.00
$241.00
136
(2)

U0126 is an inhibitor of MEK1/2 like PD98059, and by the same mechanism of action, it can lead to decreased ERK activation, which may inhibit Reg I protein activity through reduced MAPK pathway signaling.

Y-27632, free base

146986-50-7sc-3536
sc-3536A
5 mg
50 mg
$182.00
$693.00
88
(1)

Y-27632 is an inhibitor of the Rho-associated protein kinase (ROCK). By inhibiting ROCK, Y-27632 can affect cytoskeleton organization and cell motility, which are important for tissue regeneration, possibly leading to inhibition of Reg I protein activity through these pathways.