Date published: 2026-4-1

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REGIIIα Inhibitors

REGIIIα inhibitors are a class of chemical compounds specifically designed to target and inhibit the function of REGIIIα, a member of the regenerating gene (REG) family of proteins. REGIIIα, also known as HIP/PAP (Hepatocarcinoma-Intestine-Pancreas/Pancreatitis-Associated Protein), is primarily expressed in the pancreas and the gastrointestinal tract. It plays a crucial role in maintaining gut homeostasis and the innate immune response, particularly by binding to bacterial cell walls and promoting bacterial clearance. REGIIIα functions as a C-type lectin, which allows it to bind to peptidoglycan, a key component of bacterial cell walls, helping to modulate the interaction between host cells and the microbial environment. Inhibitors of REGIIIα typically work by interfering with its ability to bind to bacterial cell walls or by disrupting its structural integrity, preventing it from exerting its normal biological function.

The inhibition of REGIIIα can lead to significant changes in how the body responds to microbial presence, particularly in the gastrointestinal tract. By blocking the protein's ability to bind to bacterial components, REGIIIα inhibitors disrupt the antimicrobial barrier that it provides, which can affect the equilibrium of host-microbe interactions in the gut. These inhibitors are valuable tools for researchers looking to understand the detailed function of REGIIIα in immune modulation and its role in maintaining gut microbiota balance. Additionally, studying REGIIIα inhibitors allows scientists to investigate how this protein contributes to epithelial defense mechanisms and gut barrier integrity. By examining the effects of inhibiting REGIIIα, researchers can explore its broader regulatory roles in the immune system and its interactions with bacterial populations, deepening the understanding of host-pathogen interactions and the molecular mechanisms that underpin gut health and immune defense.

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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 may downregulate REGIIIα expression by suppressing the activation of the NF-κB pathway, which is directly involved in the induction of REGIIIα in response to bacterial antigens.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol could decrease the expression of REGIIIα by hindering the SIRT1 pathway, which has been implicated in controlling the immune response within the intestinal mucosa and could play a role in the synthesis of antimicrobial peptides such as REGIIIα.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

Epigallocatechin Gallate might inhibit the transcription of REGIIIα by attenuating the activity of the STAT3 signaling pathway, known to be critical in the inflammatory response and in the defense against pathogens.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin could reduce the expression of REGIIIα by inhibiting the JAK-STAT signaling pathway, which may be involved in the regulation of genes associated with the immune response in the gut.

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 might downregulate REGIIIα expression by altering the chromatin structure around the REGIIIα gene, leading to tighter packaging and less accessibility for transcription factors.

D,L-Sulforaphane

4478-93-7sc-207495A
sc-207495B
sc-207495C
sc-207495
sc-207495E
sc-207495D
5 mg
10 mg
25 mg
1 g
10 g
250 mg
$153.00
$292.00
$489.00
$1325.00
$8465.00
$933.00
22
(1)

DL-Sulforaphane may suppress REGIIIα expression by reducing oxidative stress, which can lead to a decrease in the signaling molecules that prompt REGIIIα synthesis in Paneth cells.

Retinoic Acid, all trans

302-79-4sc-200898
sc-200898A
sc-200898B
sc-200898C
500 mg
5 g
10 g
100 g
$66.00
$325.00
$587.00
$1018.00
28
(1)

Retinoic acid might decrease REGIIIα expression by attenuating the differentiation of immune cells that are responsible for the secretion of cytokines, which stimulate REGIIIα production.

Cholecalciferol

67-97-0sc-205630
sc-205630A
sc-205630B
1 g
5 g
10 g
$71.00
$163.00
$296.00
2
(1)

Cholecalciferol may inhibit the production of REGIIIα by downregulating the expression of pro-inflammatory cytokines that signal through the vitamin D receptor, which may be involved in REGIIIα gene transcription.

Dexamethasone

50-02-2sc-29059
sc-29059B
sc-29059A
100 mg
1 g
5 g
$91.00
$139.00
$374.00
36
(1)

Dexamethasone could suppress the expression of REGIIIα by reducing the availability of transcription factors such as AP-1, which are necessary for the induction of REGIIIα following microbial recognition.

Hydrocortisone

50-23-7sc-300810
5 g
$102.00
6
(1)

Hydrocortisone may decrease REGIIIα expression by attenuating the immune response, particularly the release of cytokines that promote REGIIIα synthesis in response to gut microbiota.