Date published: 2026-4-10

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COL4A4 Activators

COL4A4 activators are a group of chemical agents designed to modulate the activity of the COL4A4 protein, a type IV collagen specifically associated with the basement membrane, a specialized form of extracellular matrix (ECM). The COL4A4 protein, along with COL4A3 and COL4A5, forms a triple helical structure that is essential for the mechanical stability and function of the basement membranes in various tissues. These membranes are crucial for processes such as filtration in the kidneys, structural support in muscle tissue, and the formation of stable, functional interfaces in various organ systems.

Direct activators of COL4A4 may interact with the protein or the cells that produce it to enhance the synthesis, assembly, or stabilization of the collagen IV network. Such activators could stimulate the transcription of the COL4A4 gene, promote the translation of its mRNA, or enhance the post-translational modifications and proper folding of the protein into its triple helical structure. They might also prevent the enzymatic degradation of COL4A4 or facilitate the correct assembly of collagen IV molecules into the mesh-like structure of the basement membrane. Indirect activators could influence the activity of COL4A4 through signaling pathways that regulate the production of extracellular matrix components or through the modulation of factors that control the cross-linking and integration of collagen fibers into the ECM. For instance, they might affect the activity of enzymes that are responsible for the post-translational modifications of collagen, or they could alter the expression of other ECM proteins that interact with collagen IV, thus affecting the overall integrity and function of the basement membrane.

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Methylglyoxal solution

78-98-8sc-250394
sc-250394A
sc-250394B
sc-250394C
sc-250394D
25 ml
100 ml
250 ml
500 ml
1 L
$146.00
$437.00
$478.00
$754.00
$1446.00
3
(3)

Methylglyoxal is a highly reactive dicarbonyl compound that can form AGEs, which interact with RAGE receptors to activate intracellular signaling cascades, including the MAPK/ERK pathway. This activation enhances the expression of collagen IV, the protein product of COL4A4.

D(+)Glucose, Anhydrous

50-99-7sc-211203
sc-211203B
sc-211203A
250 g
5 kg
1 kg
$38.00
$198.00
$65.00
5
(1)

High glucose levels stimulate the formation of AGEs. These AGEs interact with RAGE receptors, activating pathways like the MAPK/ERK pathway that enhance the expression of collagen IV, the protein product of COL4A4.

D-Galactose

59-23-4sc-202564
100 g
$288.00
4
(1)

Galactose can be converted into glucose in the body, which can then lead to the formation of AGEs. These AGEs activate intracellular pathways through RAGE, including the MAPK/ERK pathway, leading to the increased expression of collagen IV, the protein product of COL4A4.

D-(−)-Ribose

50-69-1sc-221458
sc-221458A
sc-221458B
sc-221458C
sc-221458D
sc-221458E
sc-221458F
5 g
25 g
100 g
250 g
1 kg
5 kg
10 kg
$26.00
$58.00
$112.00
$235.00
$612.00
$1224.00
$2040.00
1
(0)

Ribose can lead to the formation of AGEs, which bind to RAGE receptors. The activation of these receptors triggers intracellular pathways such as the MAPK/ERK pathway, enhancing the expression of collagen IV, the protein product of COL4A4.

Lysophosphatidic Acid

325465-93-8sc-201053
sc-201053A
5 mg
25 mg
$98.00
$341.00
50
(3)

LPA acts on its receptors to activate several signaling pathways, including the PI3K/Akt pathway, which can lead to the activation of mTOR. This activation enhances the synthesis of collagen IV, the protein product of COL4A4.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$156.00
$1248.00
$12508.00
82
(1)

Insulin activates the PI3K/Akt pathway, which can lead to the activation of mTOR. This activation enhances the synthesis of collagen IV, the protein product of COL4A4.

Phosphatidic Acid, Dipalmitoyl

169051-60-9sc-201057
sc-201057B
sc-201057A
100 mg
250 mg
500 mg
$106.00
$244.00
$417.00
(1)

PA binds to mTOR directly, activating this pathway and enhancing the synthesis of collagen IV, the protein product of COL4A4.

D-erythro-Sphingosine-1-phosphate

26993-30-6sc-201383
sc-201383D
sc-201383A
sc-201383B
sc-201383C
1 mg
2 mg
5 mg
10 mg
25 mg
$165.00
$322.00
$570.00
$907.00
$1727.00
7
(1)

S1P binds to its receptors to activate several signaling pathways, including the PI3K/Akt pathway, which can lead to the activation of mTOR. This activation enhances the synthesis of collagen IV, the protein product of COL4A4.