HLA-3 Inhibitors
HLA-3 inhibitors are a class of chemical compounds that selectively target and interfere with the function of HLA-3, a specific allele within the human leukocyte antigen (HLA) class I system. The HLA system plays a critical role in the presentation of peptide antigens to immune cells, with class I molecules primarily interacting with cytotoxic T cells. HLA-3, like other class I molecules, is involved in the presentation of endogenous peptides to the immune system, which are typically derived from intracellular proteins. HLA-3 inhibitors work by disrupting the normal function of this particular HLA variant, potentially influencing its ability to bind peptides or interact with immune cell receptors. This disruption can lead to alterations in immune recognition processes at the molecular level.
These inhibitors may act through various mechanisms, including preventing the proper assembly of the HLA-3 protein complex, inhibiting peptide binding, or destabilizing the HLA-3 molecule on the cell surface. Structurally, HLA-3 inhibitors can range from small organic molecules that interfere with specific binding pockets on the protein to larger macromolecular compounds that hinder its overall stability or surface expression. Additionally, the specific targeting of HLA-3 is of interest due to its polymorphic nature, with HLA-3 being one of several alleles within the highly variable HLA system. Understanding how HLA-3 inhibitors function provides insights into molecular interactions between HLA molecules and peptides, as well as the broader role of HLA class I variants in cellular signaling and immune modulation.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
5-Azacytidine | 320-67-2 | sc-221003 | 500 mg | $280.00 | 4 | |
5-Azacytidine may cause hypomethylation of the HLA-DQB1 gene promoter, leading to its transcriptional silencing. It could prevent the recruitment of transcription factors necessary for the gene's expression. | ||||||
Trichostatin A | 58880-19-6 | sc-3511 sc-3511A sc-3511B sc-3511C sc-3511D | 1 mg 5 mg 10 mg 25 mg 50 mg | $152.00 $479.00 $632.00 $1223.00 $2132.00 | 33 | |
Trichostatin A can inhibit histone deacetylases, resulting in hyperacetylation of histones. This change in the chromatin structure can lead to transcriptional repression of genes like HLA-DQB1. | ||||||
Mithramycin A | 18378-89-7 | sc-200909 | 1 mg | $55.00 | 6 | |
Mithramycin A can bind to G-C rich sequences of DNA, potentially suppressing the expression of HLA-DQB1 by blocking the access of transcriptional activators to the gene's promoter region. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine may disrupt lysosomal function and autophagy, processes that can be indirectly linked to the downregulation of HLA class II protein expression, including HLA-DQB1. | ||||||
Actinomycin D | 50-76-0 | sc-200906 sc-200906A sc-200906B sc-200906C sc-200906D | 5 mg 25 mg 100 mg 1 g 10 g | $74.00 $243.00 $731.00 $2572.00 $21848.00 | 53 | |
Actinomycin D intercalates into DNA, obstructing the elongation phase of RNA synthesis and consequently decreasing the overall transcription levels of HLA class II genes. | ||||||
Camptothecin | 7689-03-4 | sc-200871 sc-200871A sc-200871B | 50 mg 250 mg 100 mg | $58.00 $186.00 $94.00 | 21 | |
By inhibiting topoisomerase I, camptothecin causes DNA damage and can initiate cellular responses that lead to the downregulation of gene expression, including HLA-DQB1. | ||||||
Rapamycin | 53123-88-9 | sc-3504 sc-3504A sc-3504B | 1 mg 5 mg 25 mg | $63.00 $158.00 $326.00 | 233 | |
Rapamycin inhibits the mTOR pathway, which is crucial for many cellular processes. This inhibition can lead to the decreased expression of genes involved in immune function, like HLA-DQB1. | ||||||
Curcumin | 458-37-7 | sc-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 | |
Curcumin can reduce the expression of HLA-DQB1 by inhibiting NF-kB, a transcription factor that promotes the expression of genes involved in immune responses. | ||||||
Resveratrol | 501-36-0 | sc-200808 sc-200808A sc-200808B | 100 mg 500 mg 5 g | $80.00 $220.00 $460.00 | 64 | |
Resveratrol has been shown to decrease the expression of inflammatory genes through inhibition of NF-kB signaling, which could extend to genes such as HLA-DQB1. | ||||||
Sodium Butyrate | 156-54-7 | sc-202341 sc-202341B sc-202341A sc-202341C | 250 mg 5 g 25 g 500 g | $31.00 $47.00 $84.00 $222.00 | 19 | |
Sodium Butyrate, as a histone deacetylase inhibitor, can lead to epigenetic changes that result in the decreased transcription of HLA-DQB1. | ||||||