|Source:||The herbs of Portulaca oleracea L.|
|Biological Activity or Inhibitors:||1. Lanosterol induces mild depolarization of mitochondria and promotes autophagy.
2. Lanosterol is indicative of altered Lanosterol metabolism during PD pathogenesis.
3. 10 μM Lanosterol during IVM in medium without serum and bases on recombinant human chorionic gonadotrophin has a positive effect on maturation of prepubertal ewe oocytes.
|Solvent:||Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.|
|Storage:||Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: email@example.com
|After receiving:||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.|
|1 mg||5 mg||10 mg||20 mg||25 mg|
|1 mM||2.3436 mL||11.7178 mL||23.4357 mL||46.8713 mL||58.5892 mL|
|5 mM||0.4687 mL||2.3436 mL||4.6871 mL||9.3743 mL||11.7178 mL|
|10 mM||0.2344 mL||1.1718 mL||2.3436 mL||4.6871 mL||5.8589 mL|
|50 mM||0.0469 mL||0.2344 mL||0.4687 mL||0.9374 mL||1.1718 mL|
|100 mM||0.0234 mL||0.1172 mL||0.2344 mL||0.4687 mL||0.5859 mL|
Zygote. 2014 Feb;22(1):50-7.
|Effect of lanosterol on the in vitro maturation in semi-defined culture system of prepubertal ewe oocytes.[Pubmed: 21838962]|
|The aim of the present study was to assess the effects of oxygen concentration and endogenous Lanosterol on the in vitro maturation (IVM) media without serum and based on recombinant human chorionic gonadotrophin in prepubertal ewe oocytes. Secondly, two concentrations of Lanosterol (0, 10 and 50 μM) were added to the IVM medium. Nuclear maturation of oocytes was examined as previously. Lipid content in oocytes, an important indicator of cytoplasmic maturity, was also measured using Nile red fluorescent stain. The results showed that low oxygen concentration affected the nuclear maturation. Similarly, a significantly higher rate of meiosis resumption was observed with 10 μM (72.3%) of Lanosterol compared with the control (51.8%) or 50 μM of Lanosterol (59.4%). A significantly higher content of lipids was also observed with 10 and 50 μM of Lanosterol (7.3 ± 0.2 × 10(6) and 7.4 ± 0.2 × 10(6) arbitrary units of fluorescence) compared with the control (6.7 ± 0.2 × 10(6) arbitrary units of fluorescence). The results indicate that 10 μM Lanosterol during IVM in medium without serum and based on recombinant human chorionic gonadotrophin has a positive effect on maturation of prepubertal ewe oocytes.|
Cell Death Differ. 2012 Mar;19(3):416-27.
|Lanosterol induces mitochondrial uncoupling and protects dopaminergic neurons from cell death in a model for Parkinson's disease.[Pubmed: 21818119]|
|We found that Lanosterol is significantly (∼50%) and specifically reduced in the nigrostriatal regions of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated mice, indicative of altered Lanosterol metabolism during PD pathogenesis. Remarkably, exogenous addition of Lanosterol rescued dopaminergic neurons from 1-methyl-4-phenylpyridinium (MPP+)-induced cell death in culture. Furthermore, we observed a marked redistribution of Lanosterol synthase from the endoplasmic reticulum to mitochondria in dopaminergic neurons exposed to MPP+, suggesting that Lanosterol might exert its survival effect by regulating mitochondrial function. Consistent with this model, we find that Lanosterol induces mild depolarization of mitochondria and promotes autophagy. Collectively, our results highlight a novel sterol-based neuroprotective mechanism with direct relevance to PD.|