H2-Q10 Inhibitors
Chemical inhibitors of H2-Q10 can interfere with various cellular processes essential for its function in antigen presentation. Brefeldin A disrupts the transport of proteins by inhibiting the ADP-ribosylation factor necessary for vesicular trafficking between the endoplasmic reticulum and the Golgi apparatus. This action can impede the proper maturation and localization of H2-Q10. Similarly, Monensin, as an ionophore, disrupts the sodium and calcium balance within cells, which can also affect the endosomal and lysosomal pathways crucial for H2-Q10's peptide loading. Chloroquine and Curcumin both act by elevating the pH within endosomes and lysosomes, which are environments where H2-Q10 typically binds antigens. The increased pH can hinder the antigen processing that is indispensable for H2-Q10's role.
Further affecting H2-Q10, Colchicine targets the cytoskeleton by binding to tubulin, preventing its polymerization. This action can disrupt cytoskeletal functions, including the transport and presentation of antigens by H2-Q10. Inhibitors like Bafilomycin A1 and Concanamycin A specifically target the vacuolar-type H+-ATPase, preventing the acidification of organelles such as endosomes and lysosomes, which is vital for antigen processing by H2-Q10. Inhibiting protein synthesis is another strategy utilized by Emetine, which blocks ribosomal movement along mRNA, potentially preventing the production of H2-Q10 and the peptides it presents. Proteolysis, necessary for the generation of peptides for presentation by H2-Q10, can be inhibited by Leupeptin, which targets cysteine and serine proteases, and by proteasome inhibitors such as MG-132, Lactacystin, and Epoxomicin. These inhibitors collectively hinder the degradation of proteins into peptides suitable for H2-Q10 loading, effectively inhibiting its antigen-presenting function.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Brefeldin A | 20350-15-6 | sc-200861C sc-200861 sc-200861A sc-200861B | 1 mg 5 mg 25 mg 100 mg | $31.00 $53.00 $124.00 $374.00 | 25 | |
Brefeldin A inhibits ADP-ribosylation factor (ARF), which is essential for the transport of proteins from the endoplasmic reticulum to the Golgi apparatus. As H2-Q10 is involved in antigen presentation, the disruption of protein transport can inhibit H2-Q10 function by preventing its proper localization and maturation. | ||||||
Monensin A | 17090-79-8 | sc-362032 sc-362032A | 5 mg 25 mg | $155.00 $525.00 | ||
Monensin acts as an ionophore that disrupts intracellular pH and sodium/calcium balance. This disruption can impair the endosomal/lysosomal system which is crucial for the loading of peptides onto H2-Q10, thereby functionally inhibiting H2-Q10's role in antigen presentation. | ||||||
Chloroquine | 54-05-7 | sc-507304 | 250 mg | $69.00 | 2 | |
Chloroquine raises the pH of endosomes and lysosomes. As H2-Q10 requires the acidic environment of these organelles for the binding and presentation of antigens, its function is inhibited by chloroquine. | ||||||
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 has been shown to disrupt the endosomal/lysosomal pathway by altering the pH, which can inhibit the function of H2-Q10 in antigen processing and presentation. | ||||||
Colchicine | 64-86-8 | sc-203005 sc-203005A sc-203005B sc-203005C sc-203005D sc-203005E | 1 g 5 g 50 g 100 g 500 g 1 kg | $100.00 $321.00 $2289.00 $4484.00 $18207.00 $34749.00 | 3 | |
Colchicine binds to tubulin and inhibits its polymerization, affecting cytoskeletal functions. As the cytoskeleton is important for the transport and presentation of antigens by H2-Q10, its function is inhibited by colchicine. | ||||||
Bafilomycin A1 | 88899-55-2 | sc-201550 sc-201550A sc-201550B sc-201550C | 100 µg 1 mg 5 mg 10 mg | $98.00 $255.00 $765.00 $1457.00 | 280 | |
Bafilomycin A1 is a specific inhibitor of the vacuolar-type H+-ATPase. By inhibiting this pump, it prevents acidification of organelles like endosomes and lysosomes, which is necessary for antigen processing for presentation by H2-Q10. | ||||||
Emetine | 483-18-1 | sc-470668 sc-470668A sc-470668B sc-470668C | 1 mg 10 mg 50 mg 100 mg | $440.00 $900.00 $1400.00 $2502.00 | ||
Emetine inhibits protein synthesis by blocking the movement of the ribosome along mRNA. This can inhibit the synthesis of H2-Q10 itself and the peptides it presents, functionally inhibiting its role in antigen presentation. | ||||||
Concanamycin A | 80890-47-7 | sc-202111 sc-202111A sc-202111B sc-202111C | 50 µg 200 µg 1 mg 5 mg | $66.00 $167.00 $673.00 $2601.00 | 109 | |
Concanamycin A is another inhibitor of the vacuolar-type H+-ATPase, like Bafilomycin A1, and it would inhibit the function of H2-Q10 by preventing the necessary acidification of intracellular compartments for antigen processing. | ||||||
Leupeptin hemisulfate | 103476-89-7 | sc-295358 sc-295358A sc-295358D sc-295358E sc-295358B sc-295358C | 5 mg 25 mg 50 mg 100 mg 500 mg 10 mg | $73.00 $148.00 $316.00 $499.00 $1427.00 $101.00 | 19 | |
Leupeptin inhibits cysteine and serine proteases, which are involved in the processing of antigens for presentation by H2-Q10. By inhibiting these proteases, leupeptin can prevent the proper peptide loading onto H2-Q10. | ||||||
MG-132 [Z-Leu- Leu-Leu-CHO] | 133407-82-6 | sc-201270 sc-201270A sc-201270B | 5 mg 25 mg 100 mg | $60.00 $265.00 $1000.00 | 163 | |
MG-132 is a proteasome inhibitor that can prevent the degradation of proteins into peptides, which are necessary for loading onto H2-Q10 for antigen presentation, thus inhibiting its function. | ||||||