PluriSIn #1 (NSC 14613)

Catalog No.S8076

PluriSIn #1 (NSC 14613) Chemical Structure

Molecular Weight(MW): 213.24

PluriSIn #1 is an inhibitor of the stearoyl-coA desaturase 1 (SCD1), which is able to selectively eliminate hPSCs.

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Biological Activity

Description PluriSIn #1 is an inhibitor of the stearoyl-coA desaturase 1 (SCD1), which is able to selectively eliminate hPSCs.
SCD1 [1]
In vitro

PluriSIns #1 has a robust, rapid, and selective cytotoxic effect toward hPSCs. Apoptosis is the central cell death mechanism activated by PluriSIn #1. PluriSIn #1 leads to ER stress in hPSCs. PluriSIn #1 (20 μM) induces ~30% decrease in protein synthesis in hPSCs. PluriSIn #1 exposure induces a ~65% decrease in stearoyl-coA desaturase (SCD1) activity in hPSCs. PluriSIn #1 (20 μM) prevents teratoma gormation from undifferentiated hPSCs PluriSIns also inhibits mPSCs and hinders mouse embryonic development. [1]


Kinase Assay:[1]
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SCD1 activity assays:

Cells are plated in 6-well plates at a density of 50k to 100k cells per well. 24 h later, 20 μM PluriSIn #1 or 0.2% DMSO-control are added to the cells. After 12 h of incubation at 37 ℃, 5% CO2, the old medium is removed, cells are washed with PBS, and new medium containing 2.3 μM of 0.75 UCi [1-14C] Stearic Acid is added. The cells are incubated for up to 4 h at 37 ℃, 5% CO2. After the incubation period, the medium is discarded and the cells are washed 3 times with 2 mL of PBS. 2 mL of the mixture n-hexane: isopropanol (3:2 v:v) are added, and the cells are incubated for 30 min at 37 ℃, 5% CO2. 2 mL Folch solution (chloroform: methanol,2:1,v:v) are subsequently added. The liquid is transferred to tubes for phase partition by adding 1 mL water. The lower organic phase is evaporated and used for lipid saponification and TLC separation of the free [1-14C] Stearic Acid (substrate) and [1-14C] Oleic Acid (formed product). Lipids extracted from the cells are applied to TLC plates previously immersed in 10% NO3 Ag and activated at 120℃x60 min. Unlabeled stearic and oleic acid are added to each application point as carriers and as internal standards for identification. The plates are run with a solvent mixture of Chloroform:MeOH:AcH:DDW (90:8:1:0.8). The free fatty acids are detected by U.V. after spraying the TLC with a 2',7',dichlorofluorescein solution. The spots corresponding to stearic and oleic acid are scraped and the radioactivity counted in a sc intillating counter. SCD1 desaturase activity is calculated from the percent conversion of substrate to product and the conversion to pmol/min/106 cells.
Cell Research:[1]
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  • Cell lines: Human iPSC line BJ-iPS28
  • Concentrations: ~20 μM
  • Incubation Time: 1 days
  • Method: Relative cell numbers are determined by fixating the cells with 0.5% glutardialdehyde and staining with methylene blue dissolved in 0.1 M boric acid (pH 8.5). Color extraction is performed using 0.1 M hydrochloric acid, and the staining (which is proportional to cell number) is quantitated by measuring absorbance at 650 nM.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 43 mg/mL (201.65 mM)
Water <1 mg/mL
Ethanol <1 mg/mL

* 1 mg/ml means slightly soluble or insoluble.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 213.24


CAS No. 91396-88-2
Storage powder
in solvent
Synonyms N/A

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Dehydrogenase Signaling Pathway Map

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID