In Vivo (Add solvents to the product individually and in order.)
Homogeneous suspension
CMC-NA
≥5mg/ml
Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 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. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)
Preparing Stock Solutions
Biological Activity
Description
Norcantharidin (Endothall anhydride) is a synthetic anticancer compound which is a dual inhibitor for c-Met and EGFR in human colon cancers.
Targets
c-Met
EGFR
In vitro
Norcantharidin (NCTD) induces cell cycle arrest at G2/M phase in HCT116 and HT29 cells. This compound suppresses not only the expression of the total EGFR and the phosphorylated EGFR but also the expression of the total c-Met and the phosphorylated c-Met in colon cancer cells. It is an inhibitor of protein phosphatase types 1, 2A and 2B, arrests the cell cycle at G2/M phase in K562 human myeloid leukaemia cells, and inhibits DNA synthesis in HL-60 cells.
In Vivo
Norcantharidin (NCTD) inhibits the growth of the xenografted tumours in a dose- and time-dependent manner. Tumour volume decreases with an increased tumour inhibitory rate in the NTCD group compared with the control group. The apoptosis rate increases along with a decreased percentage of cells in S phase in the NTCD group compared with the control group. The morphological changes of apoptosis such as nuclear shrinkage, chromatin aggregation, chromosome condensation, and typical apoptosis bodies in the xenografted tumour cells induced by this compound are observed. The expression of cyclin-D1, Bcl-2 and survivin proteins/mRNAs decrease significantly, with increased expression of p27 and Bax proteins/mRNAs in the NCTD group compared with the control group. This chemical is reported clinically as an anti-tumour drug against hepatoma, oesophageal and gastric carcinoma, and leucopenia.
HT29 and HCT116 cells suspended in complete media are seeded in 96-well plates (2000 cells/well). After growing for 24 h in incubator, media are aspirated and 0.2 mL complete media containing serial concentrations of NCTD are added to each well. After incubating the plate for 24, 48, or 72 h, 20 μL of resazurin (2 mg/mL dissolved in water) is added to each well. The fluorescent signal is monitored using 544 nm excitation and 595 nm emission wavelengths by Spectramax M5 plate reader after incubation at 37 °C for 16 h in the incubator. The number of living cells in each well is proportional to the relative fluorescence unit (RFU) measured by the assay.
Norcantharidin ameliorates estrogen deficient-mediated bone loss by attenuating the activation of extracellular signal-regulated kinase/ROS/NLRP3 inflammasome signaling
[ Front Pharmacol, 2022, 13:1019478]
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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.
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