β-defensin 28 Activators
β-Defensin 28, a crucial component of the innate immune system, plays a pivotal role in defending against microbial threats. As an antimicrobial peptide, it contributes to the first line of defense by disrupting microbial membranes and exerting bactericidal effects. Understanding the mechanisms governing β-defensin 28 activation provides insights into the intricate interplay between cellular pathways and immune responses.
Activation of β-defensin 28 involves a network of cellular signaling cascades influenced by various chemical activators. Compounds such as retinoic acid, thiazolidinediones, sulforaphane, butyrate, genistein, resveratrol, 5-azacytidine, alpha-lipoic acid, luteolin, diallyl disulfide, EGCG, and quercetin directly or indirectly enhance β-defensin 28 expression. These activators act through diverse pathways, including retinoic acid receptors, PPARγ, Keap1-Nrf2-ARE, histone deacetylation, PI3K/Akt, Nrf2/ARE, AP-1, MAPK, and NF-κB. By modulating chromatin structure, transcription factor activity, and epigenetic modifications, these chemicals contribute to the up-regulation of β-defensin 28, reinforcing the innate immune response against microbial invaders. The comprehensive understanding of these activation mechanisms provides a foundation for exploring potential strategies to enhance innate immunity and combat microbial infections.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Retinoic Acid, all trans | 302-79-4 | sc-200898 sc-200898A sc-200898B sc-200898C | 500 mg 5 g 10 g 100 g | $66.00 $325.00 $587.00 $1018.00 | 28 | |
Retinoic acid serves as a direct activator of β-defensin 28 by binding to retinoic acid receptors (RARs). This complex translocates to the DEFB28 promoter region, enhancing transcription. The resulting increase in β-defensin 28 expression contributes to innate immunity, providing antimicrobial defense against various pathogens. | ||||||
2,4-Thiazolidinedione | 2295-31-0 | sc-216281 | 50 g | $177.00 | 3 | |
Thiazolidinediones activate β-defensin 28 through PPARγ activation. Upon binding, PPARγ forms a complex with RXR, promoting binding to the PPRE in the DEFB28 promoter. This enhances transcription, leading to elevated β-defensin 28 expression and reinforcing the innate immune response against microbial challenges. | ||||||
D,L-Sulforaphane | 4478-93-7 | sc-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 | |
Sulforaphane activates β-defensin 28 through the Keap1-Nrf2-ARE pathway. By promoting Nrf2 release from Keap1 inhibition, it facilitates Nrf2 translocation and binding to the DEFB28 promoter's ARE element. This up-regulation reinforces the antimicrobial function of β-defensin 28. | ||||||
Butyric acid | 107-92-6 | sc-214640 sc-214640A | 1 kg 10 kg | $64.00 $177.00 | ||
Butyrate activates β-defensin 28 by serving as a histone deacetylase inhibitor. By inhibiting histone deacetylation, it promotes an open chromatin structure in the DEFB28 promoter region, facilitating increased transcription. This epigenetic modulation results in elevated β-defensin 28 expression, contributing to innate immunity against microbial threats. | ||||||
Genistein | 446-72-0 | sc-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 | $45.00 $164.00 $200.00 $402.00 $575.00 $981.00 $2031.00 | 46 | |
Genistein indirectly activates β-defensin 28 by inhibiting the PI3K/Akt pathway. It hinders Akt phosphorylation, relieving its inhibition on FoxO3a. This allows FoxO3a to bind to the DEFB28 promoter, promoting transcription. This indirect activation leads to increased β-defensin 28 expression, bolstering the innate immune response. | ||||||
Resveratrol | 501-36-0 | sc-200808 sc-200808A sc-200808B | 100 mg 500 mg 5 g | $80.00 $220.00 $460.00 | 64 | |
Resveratrol activates β-defensin 28 indirectly by modulating the Nrf2/ARE pathway. Acting as an antioxidant, it enhances Nrf2 translocation, promoting its binding to the ARE element in the DEFB28 promoter. This up-regulation of β-defensin 28 contributes to antimicrobial defense. | ||||||
5-Azacytidine | 320-67-2 | sc-221003 | 500 mg | $280.00 | 4 | |
5-Azacytidine, a DNA methyltransferase inhibitor, directly activates β-defensin 28. By demethylating the DEFB28 promoter region, it alleviates epigenetic repression, allowing for enhanced transcription. This epigenetic modulation results in increased β-defensin 28 expression, contributing to innate immunity against microbial threats. | ||||||
α-Lipoic Acid | 1077-28-7 | sc-202032 sc-202032A sc-202032B sc-202032C sc-202032D | 5 g 10 g 250 g 500 g 1 kg | $69.00 $122.00 $212.00 $380.00 $716.00 | 3 | |
Alpha-lipoic acid activates β-defensin 28 through the Nrf2/ARE pathway. As an antioxidant, it promotes Nrf2 release from Keap1 inhibition, facilitating its translocation to the DEFB28 promoter's ARE element. This up-regulation strengthens the antimicrobial function of β-defensin 28. | ||||||
Luteolin | 491-70-3 | sc-203119 sc-203119A sc-203119B sc-203119C sc-203119D | 5 mg 50 mg 500 mg 5 g 500 g | $27.00 $51.00 $101.00 $153.00 $1925.00 | 40 | |
Luteolin activates β-defensin 28 by modulating the AP-1 pathway. It inhibits c-Fos and c-Jun activation, suppressing AP-1 transcriptional activity. As a consequence, the negative regulation on DEFB28 expression is alleviated, leading to increased β-defensin 28 synthesis with antimicrobial implications. | ||||||
Allyl disulfide | 2179-57-9 | sc-252359 | 25 g | $80.00 | ||
Allyl disulfide activates β-defensin 28 by influencing the MAPK pathway. It enhances ERK1/2 phosphorylation, positively regulating AP-1, which binds to the DEFB28 promoter. This leads to increased transcription of β-defensin 28, fortifying the antimicrobial defense mechanism. | ||||||