LT-104A
LT-104A is a potent PDE4 inhibitor that elevates intracellular cAMP levels (EC50 = 1.9 μM) and inhibits PDE4D3 activity (IC50 = 9.3 μM). LT-104A activates the cAMP-PKA-CREB anti-inflammatory signaling pathway and suppresses NF-κB-related gene expression (Il1b and Nos2). LT-104A can be used for inflammation-related disease research.
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- CAS No.: 2574572-03-3
- Formule: C33H34O7
- Masse moléculaire:542.62
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Stockage:
Please store the product under the recommended conditions in the Certificate of Analysis.
Activité biologique
Description
IC50 & Target
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PDE4D3 9.3 μM (IC50) |
In Vitro
LT-104A (1-30 μM; 24 h) reduces LPS (HY-D1056) -induced Il1b and Nos2 mRNA expression in J774A.1 macrophages[1].
LT-104A (1-30 μM; 24 h) decreases LPS -induced nitric oxide production in J774A.1 macrophages[1].
LT-104A (0.1-30μM; 30 min) increases intracellular cAMP levels in HEK293 cells in a concentration-dependent manner (EC50 = 1.9 μM)[1].
LT-104A (0.1-30 μM; 6 h) enhances CRE-luciferase activity through activation of the cAMP-PKA-CREB signaling pathway in HEK293 cells[1].
LT-104A (0.1-100 μM) inhibits recombinant PDE4D3 enzymatic activity with an IC50 of 9.3 μM[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:LPS(1 μg/mL, 24 h)induced J774A.1 macrophages
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Concentration:1 , 3 , 10 , 30 μM
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Incubation Time:30 min before LPS treatment for 24 h.
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Result:Reduced LPS-induced Il1b and Nos2 mRNA expression.
Chemical Information
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CAS No. 2574572-03-3
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Masse moléculaire 542.62
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Formule C33H34O7
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SMILES
O=C(C1=CC=CC2=C1C=CC=C2)OC[C@@H]3[C@@H](C4=CC=C(OC)C(OC)=C4)OC[C@@H]3CC5=CC=C(OC)C(OC)=C5
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Please store the product under the recommended conditions in the Certificate of Analysis.
Protocole
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RT-PCR
Reverse transcription technology uses RNA as a template to synthesize DNA. RT-PCR is simple, specific and sensitive, and can be used to detect gene expression levels and expression differences in cells; detect RNA virus content; clone cDNA sequences of specific genes.
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RNA extraction experimental
By lysing cells, releasing RNA, and removing impurities such as proteins and DNA, high-purity RNA products are finally obtained. The commonly used traditional method is the guanidine isothiocyanate/phenol/chloroform method (Trizol), which is suitable for a variety of animal materials including animal tissues, microorganisms, cultured cells, etc., and most plant materials.
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Research Protocol for Inflammation-related Diseases
The NLRP3 inflammasome is a cytosolic innate immune signaling platform that integrates priming signals and danger-signal activation to promote caspase-1 activation, maturation of IL-1β and IL-18, and gasdermin D-mediated pyroptotic cell death. The core experimental logic is to determine whether inflammatory disease phenotypes are driven by increased NLRP3 expression, ASC-containing inflammasome assembly, caspase-1 cleavage, GSDMD cleavage, and extracellular release of IL-1β/IL-18 rather than by nonspecific cell injury alone. The pathway is strongly linked to inflammation-related disease phenotypes because monosodium urate crystals activate NALP3/NLRP3 inflammasome signaling in gout-like crystal inflammation, cholesterol crystals activate NLRP3 inflammasomes in atherogenesis models, and DSS-induced intestinal inflammation has been reported to involve NLRP3 inflammasome activity. However, experimental colitis studies also show context-dependent protective effects of NLRP3 inflammasome co
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Real Time qPCR (Q-PCR)
Real-time quantitative PCR (qPCR) quantifies an amplifiable nucleic-acid target by monitoring fluorescence during PCR cycling rather than measuring product only after amplification. The increase in fluorescence tracks accumulation of PCR product, and the quantification cycle (Cq; historically also Ct/CP) is related to the initial amount of target: samples containing more starting target generally reach the defined fluorescence threshold in fewer cycles.
Pureté et documentation
Références
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)