Inokosterone

Inokosterone
Product Name Inokosterone
CAS No.: 15130-85-5
Catalog No.: CFN92515
Molecular Formula: C27H44O7
Molecular Weight: 480.6 g/mol
Purity: >=98%
Type of Compound: Steroids
Physical Desc.: Powder
Source: The roots of Achyranthes bidentata Blume.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price:
Inokosterone is an analgesic drug. It also shows high insect moulting hormone activity.
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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: service@chemfaces.com

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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    Arch Biochem Biophys. 2011 Sep 1;513(1):27-35.
    C-26 vs. C-27 hydroxylation of insect steroid hormones: regioselectivity of a microsomal cytochrome P450 from a hormone-resistant cell line.[Pubmed: 21763268]
    Hydroxylation of steroids at one of the side chain terminal methyl groups, commonly linked to C-26, represents an important regulatory step established in many phyla. Discrimination between the two sites, C-26 and C-27, requires knowing the stereochemistry of the products. 26-Hydroxylation of the insect steroid hormone 20-hydroxyecdysone by a microsomal cytochrome P450 was previously found to be responsible for hormonal resistance in a Chironomus cell line mainly producing the (25S)-epimer of 20,26-dihydroxyecdysone.
    METHODS AND RESULTS:
    Here, we studied the 25-desoxy analog of 20-hydroxyecdysone, ponasterone A, to elucidate the stereochemistry of the expected 26-hydroxy product, Inokosterone, which occurs as C-25 epimers in nature. We identified the predominant metabolite as the C-25 R epimer of Inokosterone on comparison by RP-HPLC with the (25R)- and (25S)-epimers the stereochemistry of which was confirmed by X-ray crystallography. (25R)-Inokosterone was further oxidized to the 26-aldehyde identified by mass spectroscopy, borohydride reduction and metabolic transformation to 26-carboxylic acid. The (25S)-epimers of Inokosterone and its aldehyde were minor products. With 20-hydroxyecdysone as substrate, we newly identified the (25R)-epimer of 20,26-dihydroxyecdysone as a minor product.
    CONCLUSIONS:
    In conclusion, the present stereochemical studies revealed high regioselectivity of the Chironomus enzyme to hydroxylate both steroids at the same methyl group, denoted C-27.
    Chin J Integr Med . 2021 Oct;27(10):767-773.
    Inokosterone Is A Potential Drug Target of Estrogen Receptor 1 in Rheumatoid Arthritis Patients: Analysis from Active Ingredient of Cyathula Officinalis[Pubmed: 34432202]
    Abstract Objective: To elucidate the active compounds and the molecular mechanism of Cyathula Officinalis as a drug treatment for rheumatoid arthritis (RA). Methods: The target genes of active ingredients from Cyathula Officinalis were obtained from bioinformatics analysis tool for the molecular mechanism of traditional Chinese medicine. The protein-protein interaction between the target genes were analyzed using STRING and Genemania. The transcriptome of RA patients compared to healthy people (GSE121894) were analyzed using R program package Limma. The relative expression of the target genes was obtained from the RNA-seq datasets. The molecular docking analyses were processed based on the molecular model of estrogen receptor 1 (ESR1) binding with estradiol (PDB ID:1A52). The binding details were analyzed by SYBYL. Results: Inokosterone, ecdysterone, and cyaterone were the 3 active ingredients from Cyathula Officinalis that bind to target genes. Of all the significantly changed genes from RA patients, ESR1, ADORA1, and ANXA1 were significantly increased in mRNA samples of RA patients. Conclusion: ESR1, the transcription factor that binds Inokosterone in the molecular binding analysis, is the target protein of Cyathula Officinalis. Keywords: Chinese medicine; Cyathula Officinalis; estrogen receptor 1; Inokosterone; rheumatoid arthritis.
    Arch Pharm Res. 2012 Aug;35(8):1449-55.
    High performance liquid chromatography used for quality control of Achyranthis Radix.[Pubmed: 22941488]
    To establish a standard of quality control and to identify reliable Achyranthis Radix, three phytoecdysones including ecdysterone (1), 25R-Inokosterone (2) and 25S-Inokosterone (3) were determined by quantitative HPLC/UV analysis.
    METHODS AND RESULTS:
    Three phytoecdysones were separated with an YMC J'sphere ODS C(18) column (250 mm × 4.6 mm, 4 μm) by isocratic elution using 0.1% formic acid in water and acetonitrile (85:15, v/v%) as the mobile phase. The flow rate was 1.0 mL/min and the UV detector wavelength was set at 245 nm. The standards were quantified by HPLC/UV from Achyranthes bidentata Blume and Achyranthes japonica Nakai, as well as Cyathula capitata Moq. and Cyathula officinalis Kuan, which are of a different genus but are comparative herbs. The method was successfully used in the analysis of Achyranthis Radix of different geographical origin or genera with relatively simple conditions and procedures, and the assay results were satisfactory for linearity, recovery, precision, accuracy, stability and robustness. The HPLC analytical method for pattern recognition analysis was validated by repeated analysis of eighteen A. bidentata Blume samples and ten A. japonica Nakai samples.
    CONCLUSIONS:
    The results indicate that the established HPLC/UV method is suitable for quantitation and pattern recognition analyses for quality evaluation of Achyranthis Radix.
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