Date published: 2026-4-1

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LCTL Inhibitors

LCTL inhibitors are a class of chemical compounds that specifically inhibit the activity of lysosomal cytosolic translocase (LCTL), an enzyme involved in cellular catabolism and molecular transport processes within lysosomes. LCTL plays a critical role in the degradation of glycoproteins and other macromolecules, particularly by aiding in the translocation of cleaved glycan products across the lysosomal membrane for further processing or excretion. Inhibitors of LCTL are designed to block this translocation activity, leading to the accumulation of partially degraded glycoconjugates within the lysosome. The inhibition of this enzyme is often used to study glycan degradation pathways, assess intracellular trafficking, and dissect the roles of lysosomal enzymes in maintaining cellular homeostasis.

The chemical structure of LCTL inhibitors typically contains functional groups that interact with the active site of the enzyme or impede its interaction with glycan products. These inhibitors are often characterized by their specificity toward LCTL without broadly inhibiting other lysosomal enzymes, ensuring targeted effects on the glycan degradation pathway. The compounds can vary widely in their chemical makeup, ranging from small molecules to larger peptidomimetic structures, depending on their mode of interaction with the enzyme. Researchers employ these inhibitors to explore the mechanistic intricacies of lysosomal function, including substrate specificity and molecular translocation processes, as well as to elucidate broader biochemical pathways dependent on lysosomal activity. By understanding the precise chemical interactions between LCTL and its inhibitors, scientists can gain insight into cellular mechanisms related to lysosomal dynamics.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Actinomycin D

50-76-0sc-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
(3)

Actinomycin D may intercalate into DNA, directly blocking the transcription initiation complex at the LCTL gene promoter, thus downregulating LCTL mRNA synthesis.

Cycloheximide

66-81-9sc-3508B
sc-3508
sc-3508A
100 mg
1 g
5 g
$41.00
$84.00
$275.00
127
(6)

Cycloheximide could halt the elongation process of mRNA translation, leading to a decrease in the overall production of the LCTL protein.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin might inhibit the mTOR signaling pathway, which is potentially crucial for LCTL protein synthesis, thereby reducing its expression.

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$60.00
$265.00
$1000.00
163
(3)

MG132 could disrupt the ubiquitin-proteasome pathway, leading to an accumulation of misfolded or damaged proteins that may include LCTL, thereby decreasing its functional expression.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Chloroquine may concentrate within lysosomes and alter their pH, potentially disrupting the degradation pathway of cellular components needed for LCTL expression, leading to its reduced synthesis.

Mithramycin A

18378-89-7sc-200909
1 mg
$55.00
6
(1)

Mithramycin A could bind to the DNA in the LCTL gene promoter region, selectively inhibiting the binding of transcription factors, which results in decreased LCTL mRNA transcription.

Triptolide

38748-32-2sc-200122
sc-200122A
1 mg
5 mg
$90.00
$204.00
13
(1)

Triptolide may inhibit the activity of transcription factors or other nuclear proteins essential for the transcription of the LCTL gene, thereby suppressing LCTL protein production.

Camptothecin

7689-03-4sc-200871
sc-200871A
sc-200871B
50 mg
250 mg
100 mg
$58.00
$186.00
$94.00
21
(2)

Camptothecin, by inhibiting DNA topoisomerase I, could introduce DNA strand breaks, potentially leading to cell cycle arrest or apoptosis, which would decrease LCTL protein levels.

α-Amanitin

23109-05-9sc-202440
sc-202440A
1 mg
5 mg
$269.00
$1050.00
26
(2)

α-Amanitin may selectively inhibit RNA polymerase II, the enzyme responsible for mRNA synthesis, leading to a targeted reduction in LCTL mRNA and, consequently, LCTL protein synthesis.

Puromycin

53-79-2sc-205821
sc-205821A
10 mg
25 mg
$166.00
$322.00
436
(1)

Puromycin might cause premature termination during the translation of LCTL mRNA, leading to truncated, nonfunctional versions of LCTL protein, effectively reducing its expression.