Ergosta-4,6,8(14),22-tetraen-3-one
Ergosta-4,6,8(14),22-tetraen-3-one has cytotoxic activity against human gastric cancer cell, it can induce G2/M cell cycle arrest and apoptosis in human hepatocellular carcinoma HepG2 cells, these results would be useful for the further utilization of many medicinal fungi in cancer treatment. Ergosta-4,6,8(14),22-tetraen-3-one treatment can confer protection against early renal injury in a rat model of aristolochic acid (AA) nephropathy, early administration of it may prevent the progression of renal injury and the subsequent renal fibrosis in AA nephropathy. It has inhibitory activity of nitric oxide production in RAW 264.7 cells stimulated by lipopolysaccharide was examined and shows a potential activity with the IC(50) value of 28.96 microM.
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Recommended storage conditions and precautions regarding proper product handling are contained in the product Certificate of Analysis (COA). Here are general storage guidelines for compounds:
Powder: -20°C 3 years and 4°C 2 years
In solvent: -80°C 6 months and -20°C 1 month
If the solution is stored at -20°C for more than one month, it should be re-examined to ensure its efficacy. Avoid repeated freeze and thaw cycles.
Storage conditions for some special products should refer to their COAs.
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The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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