Date published: 2026-4-25

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CD1B Inhibitors

Chemical inhibitors of CD1B can function through various mechanisms to disrupt the protein's lipid antigen-presenting capability. Phosphatidylinositol, for instance, can inhibit the interaction of CD1B with essential endogenous lipids, thereby impeding its antigen-presenting function. Similarly, ceramide can integrate into cellular membranes and modify the lipid environment that is crucial for the formation of CD1B-lipid complexes. Sphingomyelin can compete with natural ligands of CD1B for lipid binding, which may obstruct the assembly of CD1B-antigen complexes necessary for T-cell activation. Ganglioside GM3, by incorporating into cell membranes, can alter the lipid composition and potentially disrupt lipid-CD1B interactions.

Furthermore, Dimethyl Sulfoxide can affect the integrity and fluidity of cell membranes, which may disturb the lipid bilayer structure and inhibit CD1B's function. Cholesterol also plays a role in modulating the fluidity and organization of lipid rafts, and its alteration in the membrane environment can affect CD1B's association with lipid antigens. Manumycin A, by inhibiting farnesyltransferase, can prevent the proper localization of CD1B within membranes, which is essential for its activity. Compounds like β-Sitosterol and Simvastatin can influence membrane fluidity and lipid composition, thus impairing CD1B's capacity to interact with lipid antigens. Glycyrrhizin's interaction with membrane lipids can lead to changes in the lipid organization, affecting CD1B's functionality. Lastly, agents such as Filipin and Methyl-β-cyclodextrin can bind to and extract cholesterol from membranes, respectively, which may inhibit CD1B by disrupting the lipid rafts and altering membrane fluidity, crucial for CD1B's role in antigen presentation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

C2 Ceramide

3102-57-6sc-201375
sc-201375A
5 mg
25 mg
$124.00
$460.00
12
(1)

Ceramide can interfere with the assembly of CD1B-lipid complexes by integrating into cellular membranes and potentially modifying the lipid environment, which is critical for CD1B's function in antigen presentation.

Sphingomyelin

85187-10-6sc-201381
sc-201381A
100 mg
500 mg
$180.00
$560.00
3
(1)

Sphingomyelin may inhibit CD1B by competing with its natural ligands for lipid binding, thus potentially hindering the formation of CD1B-antigen complexes necessary for T-cell activation.

Dimethyl Sulfoxide (DMSO)

67-68-5sc-202581
sc-202581A
sc-202581B
100 ml
500 ml
4 L
$31.00
$117.00
$918.00
136
(6)

Dimethyl Sulfoxide can disrupt cell membranes' integrity and fluidity, potentially inhibiting CD1B by disturbing the lipid bilayer structure required for its proper function in presenting lipid antigens to T-cells.

Cholesterol

57-88-5sc-202539C
sc-202539E
sc-202539A
sc-202539B
sc-202539D
sc-202539
5 g
5 kg
100 g
250 g
1 kg
25 g
$27.00
$2809.00
$129.00
$210.00
$583.00
$88.00
11
(1)

Cholesterol can modulate the fluidity and organization of lipid rafts in cellular membranes, potentially inhibiting CD1B by altering its membrane environment and affecting its ability to associate with lipid antigens.

Manumycin A

52665-74-4sc-200857
sc-200857A
1 mg
5 mg
$219.00
$634.00
5
(1)

Manumycin A is a farnesyltransferase inhibitor that could inhibit CD1B by preventing the proper localization of CD1B within cellular membranes, which is crucial for its antigen-presenting activity.

β-Sitosterol

83-46-5sc-204432
sc-204432A
10 g
25 g
$61.00
$217.00
5
(1)

β-Sitosterol can affect membrane fluidity and structure, which may inhibit CD1B by impairing its capacity to interact with and present lipid antigens, as CD1B requires a specific membrane context for its function.

Simvastatin

79902-63-9sc-200829
sc-200829A
sc-200829B
sc-200829C
50 mg
250 mg
1 g
5 g
$31.00
$89.00
$135.00
$443.00
13
(1)

Simvastatin, by inhibiting HMG-CoA reductase, can decrease cholesterol biosynthesis, potentially inhibiting CD1B by altering the lipid composition of cell membranes, which is crucial for CD1B's antigen-presenting function.

Filipin III

480-49-9sc-205323
sc-205323A
500 µg
1 mg
$118.00
$148.00
26
(2)

Filipin can bind to cholesterol, potentially inhibiting CD1B by disrupting lipid rafts and the distribution of cholesterol in the membrane, which can impede CD1B's ability to associate with and present lipid antigens.

Methyl-β-cyclodextrin

128446-36-6sc-215379A
sc-215379
sc-215379C
sc-215379B
100 mg
1 g
10 g
5 g
$20.00
$48.00
$160.00
$82.00
19
(1)

Methyl-β-cyclodextrin can extract cholesterol from membranes, potentially inhibiting CD1B by altering the lipid raft composition and membrane fluidity, which is necessary for the correct functioning of CD1B in antigen presentation to T-cells.