Date published: 2026-4-1

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CagA Activators

CagA activators represent a distinctive class of chemical compounds specifically engineered to modulate the activity of CagA, a virulence factor associated with the bacterium Helicobacter pylori. Helicobacter pylori is a pathogenic bacterium that colonizes the human stomach and is implicated in the development of various gastric disorders, including peptic ulcers and gastritis. CagA (Cytotoxin-associated gene A) is a protein that is injected into the host's gastric epithelial cells by the bacterium's type IV secretion system. Once inside the host cell, CagA can interact with various host cell proteins and affect numerous signaling pathways. The exact mechanisms through which CagA contributes to H. pylori pathogenesis are complex and multifaceted, involving its ability to deregulate cell signaling, disrupt cellular junctions, and promote chronic inflammation.

CagA activators are synthesized to interact with CagA and influence its activity within host cells. These compounds are essential tools for researchers aiming to decipher the intricate molecular mechanisms underpinning H. pylori-induced gastric diseases. By manipulating CagA's activity, scientists can gain insights into how this virulence factor contributes to the pathogenicity of H. pylori and the associated cellular responses. Understanding the actions of CagA activators is instrumental in unraveling the host-pathogen interactions that occur during H. pylori infection, shedding light on the complex interplay between bacterial virulence factors and host cell signaling pathways within the context of gastric disorders.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Sodium Chloride

7647-14-5sc-203274
sc-203274A
sc-203274B
sc-203274C
500 g
2 kg
5 kg
10 kg
$19.00
$30.00
$60.00
$110.00
15
(3)

High concentrations of sodium chloride have been shown to enhance the expression of CagA by affecting the cellular osmotic balance and potentially altering bacterial gene expression.

Metronidazole

443-48-1sc-204805
sc-204805A
5 g
25 g
$84.00
$205.00
11
(2)

As an antimicrobial agent, metronidazole can create selective pressure on H. pylori, possibly leading to upregulation of CagA expression as a bacterial response mechanism.

Aspirin

50-78-2sc-202471
sc-202471A
5 g
50 g
$20.00
$42.00
4
(1)

Aspirin may affect CagA expression indirectly through its impact on gastric mucosal integrity and subsequent changes in the bacterial microenvironment.

Clarithromycin

81103-11-9sc-205634
sc-205634A
100 mg
250 mg
$77.00
$122.00
1
(1)

This compound, while targeting H. pylori, may induce stress responses in the bacterium that include altered CagA expression.

Amoxicillin

26787-78-0sc-485485
5 g
$179.00
3
(0)

Amoxicillin can exert selective pressure on H. pylori, potentially affecting CagA expression.

Sucrose

57-50-1sc-204311
sc-204311B
sc-204311C
sc-204311A
0.5 kg
50 kg
100 kg
5 kg
$58.00
$2000.00
$3500.00
$250.00
6
(1)

Sucrose, as a dietary sugar, can modulate the gastric environment, potentially influencing H. pylori gene expression including CagA.

Iron(III) chloride

7705-08-0sc-215192
sc-215192A
sc-215192B
10 g
100 g
500 g
$41.00
$46.00
$87.00
(1)

Iron availability can affect bacterial growth and gene expression, potentially influencing CagA expression in iron-rich environments.

Omeprazole

73590-58-6sc-202265
50 mg
$67.00
4
(1)

As a proton pump inhibitor, omeprazole alters gastric acidity, which can influence H. pylori colonization and potentially CagA expression.

Levofloxacin

100986-85-4sc-252953
sc-252953B
sc-252953A
10 mg
250 mg
1 g
$40.00
$46.00
$54.00
3
(1)

This compound can exert selective pressure on H. pylori, potentially leading to changes in gene expression including CagA.