Anti-tumor compound, and preparation method and application thereof
A compound and anti-tumor technology, applied in the field of anti-tumor compounds and their preparation, to achieve the effects of simple process, correct structure and mature extraction method
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Embodiment 1
[0057] Embodiment 1, the acquisition of compound LS1924A
[0058]Soluble starch was purchased from Beijing Chemical Plant, the product catalog number is K0800034; glucose was purchased from Beijing Modern Oriental Fine Chemical Co., Ltd. (HG). Millet flour was purchased from farmers' markets. Cottonseed protein powder (medium) was purchased from Beijing Zhongmian Ziguang Biotechnology Co., Ltd. MOPS, 3-(N-morpholino)propanesulfonic acid, was purchased from Beijing Jiangchen Biology. HP-20 macroporous adsorption resin (Mitsubishi): purchased from Beijing Huideyi Technology Co., Ltd. Agilent Zorbax XDB C-8column: purchased from Beijing Huideyi Technology Co., Ltd. Agilent ZORBAX XDB C-18column: purchased from Beijing Huideyi Technology Co., Ltd.
[0059] 1. Discovery and identification of Streptomyces sp. LS1924 CGMCC No.5240
[0060] The source sample of the strain: the soil sample collected from the primeval forest (850 meters above sea level) in Yaoli, Jiangxi.
[0061]...
Embodiment 2
[0120] Example 2, detection of antitumor activity of compound LS1924A
[0121] The MTT method was used to detect the survival inhibitory activity of the compound LS1924A obtained in Example 1 on human liver cancer HepG2 cells (purchased from the Medical Cell Center, Chinese Academy of Medical Sciences). Medical Cell Center, Chinese Academy of Medical Sciences), counted after digestion. 3×10 3 One per well (190 μl) was seeded in a 96-well cell culture plate. 24 hours after the cells adhere to the wall, add 10 μl of different concentrations of the sample solution to be tested, so that the final concentrations of the samples to be tested in each group of wells are 1 μg / ml, 2 μg / ml, 5 μg / ml, 10 μg / ml, 20 μg / ml and 50μg / ml, each group has at least 3 parallel wells, and treat the cells for the specified time. Add 20 μl of MTT solution to each well before measurement (MTT is made into a 5 mg / ml solution with sterile PBS buffer), incubate at 37°C for 4 hours, carefully suck off the...
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